Home

Sigma 880 Operation Manual

Contents

1. 5 11 5 12 SAMPLE TRANSPORTATION INSTRUCTIONS Radioactive material transport checklist Date Destination Transport container model Radionuclide Type of label applied Survey meter model Calibration date Dosimeter serial number Radiation area signs Rope Radioactive material sign Radiation survey Record highest reading Operator Serial number Activity Transport index Serial number Film badge Initial reading Final reading Packing list Bill of lading Emergency equipment Driver s compartment mRem hr Vehicle 18in from surface mRenyhr Packages properly marked and labeled including transport index Packages secured in vehicle Shipping papers properly completed Remarks Operator s signature Vehicle placarded DEFINITIONS AND TERMS Area alarm An area radiation level monitor that provides a highly visual warning when the radiation level exceeds a pre set threshold Commonly referred to as Gammalarms use is required by most jurisdictions in permanent radiographic installations and they are often used in conjunction with door interlocks and audible alarms Portable area alarms are required by some jurisdictions for radiography performed at temporary job sites Alarm ratemeter An alarm worn by radiography personnel that provides a continuous audible warning when the alarm ratemeter detects a radiation level in excess of a pre set threshold of 500mP hr 5mSvwhr This redundant safety
2. 4 12 MAINTENANCE INSTRUCTIONS Clean the interior of both remote control conduits by pouring 4 50z 100ml of clean solvent into one end Use compressed air to blow the solvent through the entire length of conduits into a clean white cloth attached to the opposite end Repeat this cleaning process until the solvent blown through the conduit comes out clean Use the compressed air to thoroughly dry the interior of the conduit Residual solvent left in the remote control conduit will dilute the lubrication applied to the remote control cable diminishing the protective qualities Check the swage fittings to ensure the threads are not stripped and are clean Using your hands attempt to twist or rotate the swage fittings off the control conduits If any movement is possible the control conduit must be removed from service and new swage fittings must be installed 10 Remove the crank arm from the control crank assembly by removing the 5 hex bolt and washer While wearing safety glasses carefully remove the control crank assembly from the handle or frame by unscrewing the four bind head screws from the stop nuts Separate the two halves of the control crank housing CAUTION Ensure the cable adapters stay in the bottom control crank housing during separation Care should be taken to avoid losing control of the tensioned wear strip that may fly out during separation of the control crank housing This is the reason why safety glasses
3. Air waybill number Enter the number of the air waybill to which the declaration form will be attached This may be amended by the carrier ii Aircraft limitations Specify that the shipment is within the limitations for Cargo aircraft only A notation can be added in the handling information box of the Shipper s Declaration which states This shipment may be carried on passenger aircraft outside U S jurisdiction iii Airport of departure Enter the full name of the airport of city of departure which may be amended by the carrier iv Airport of destination Enter the full name of the airport or city of destination which may be amended by the carrier v Specify contents isotope on the DOT hazard labels as LSA 1 vi Shipment Type Specify the shipment type as Radioactive vii Under Nature and Quantity of Dangerous Goods specify the number of packages of same type and content their type of package and activity in Becquerel or multiples thereof units used must be clearly indicated in each package including packages in overpacks and LSA 1 If relevant Indication of use of overpack and dimensions of the overpack including dimensional units When an overpack is used the wording overpack used must be inserted on the declaration form immediately after all the relevant entries relating to the packages within the overpack In such cases packages within overpacks must be listed first Dimension units must be in multip
4. Maximum package weight With jacket 5210 24kg Without jacket 46lb 21kg 229 880 Delta 150Ci 5 55TBq Maximum package weight 52 24kg 46lb 21kg 880 Elite 50Ci 1 85TBq Maximum package weight With jacket 42lb 19kg Without jacket 37lb 17kg Locking mechanism Remote control connector TECHNICAL SPECIFICATIONS Exposure device description The Model 880 Delta Model 880 Sigma and Mode 880 Elite are physically small lightweight portable industrial radiographic exposure devices The S tube design exposure device consists of a cast depleted Uranium DU shield contained and secured within a 300 series stainless steel tube with stainless steel discs welded at each end to form a cylinder shaped housing Both discs are recessed into the stainless steel tube to provide protection for the locking mechanism at the rear side and the outlet port at the front side The welded tubular housing is oriented horizontally to provide easy access to the locking mechanism and source assembly connector and to provide easy access to the outlet port for connection of projection sheaths The internal void space of the welded housing is filled with polyurethane foam to prevent the ingress of water or foreign material but is open to atmospheric pressure The stainless steel housing containing the DU shield locking mechanism outlet port protective covers and required labels comprise the radioactive material transport package
5. The wipe test for DU is obtained in the same fashion as a leak test of a sealed source utilizing the same radiation safety procedures Straight through source tube may require transferring the source assembly into a source changer to safely accomplish the DU wipe test The analysis performed on the wipe test must be capable of detecting the presence of 0 005 185Bq of radioactive material on the test sample If the test sample reveals 0 005yuCi 185Bq or more of removable DU contamination the exposure device must be removed from service until an evaluation of the wear on the S tube has been made Should the evaluation reveal that the source tube is worn through the exposure device may not be used again DU shielded devices do not have to be tested for DU contamination while in storage and not in use Before using or transferring a device that has been in storage for more than 12 months the exposure device must be leak tested for DU contamination prior to use or transfer Please contact QSA Global Inc if you require leak test kits radio assay services or assistance in the disposal of worn through exposure devices MAINTENANCE INSTRUCTIONS Annual maintenance for the Model 880 Delta Model 880 Sigma and Model 880 Elite exposure devices Tools required for Model 880 complete maintenance 5 1 Allen wrench for the 10 32 socket head lock mount and selector ring screws 3 2in Allen wrench for the socket head plunger lock screw Nu
6. during automatic securing After automatic securing attempt to expose the mock source assembly from the exposure device to confirm a positive capture Repeat this testing several times If resistance snags or sluggish movement of the lock slide is discovered during this testing remove the outlet port and locking mechanism plates to determine the cause Repeat all safety function tests if any additional servicing is required Clean the Model 550 jumper gauge in solvent Lubricate the inner sleeve with light oil while moving the sleeve back and forth Apply a light coat of oil over the entire jumper and insert back into the spring dip of the locking mechanisms protective cover 4 9 4 10 MAINTENANCE INSTRUCTIONS Annual maintenance for the remote controls Tools required for complete maintenance of Models 692 693 664 remote controls compatible with Models 880 660 and 460 exposure devices e Uhsin open end wrench for the control conduit swage fittings open end wrench for the 5 16 control crank handle bolt Slot screwdriver for the 10 32 remote control crank screws wrench for the 10 32 control crank stop nuts 0 050in Allen wrench for the 4 40 set screw on the odometer knob on the Model 693 and Model 664 remote control units Control cable run off prevention stop spring removal tool if required Model 550 connector NO GO gauge for wear check of the control cable connector X7 magnification glass for control cabl
7. socket button head screws that retain the locking mechanism plate from the empty Model 880 device using the tamperproof tool bit mounted in a ratchet 3 Remove the 10 32 socket head screws that retain the selector ring and plunger lock housing from the mounting plate using a 5 Allen wrench 4 Disassemble the locking mechanism assembly taking care not to lose the spring loaded parts Place the disassembled locking mechanism components into a pan filled with fresh clean solvent Clean all parts using a brush to dislodge any dirt or grease Remove cleaned parts from the solvent bath dry and place on a clean surface Inspect all parts for wear Replace worn parts as necessary Discard all used locking mechanism springs and replace with new springs When ordering spare parts quote the model and serial number of the exposure device as well as the part number to ensure correct replacement Remove the lock retainer from the mounting plate by unscrewing the two 10 32 x socket head screws using a 5 Allen wrench Remove the plunger lock from the lock retainer by removing the cap screw using a sin Allen wrench Clean the lock plunger lock retainer and springs in a solvent bath Ensure the lock plunger is thoroughly rinsed to remove all dust from the key tumblers Removed the cleaned parts from the solvent bath and dry thoroughly using compressed air to dry the lock tumbler Inspect all parts for wear Replace worn parts as nece
8. A plastic jacket surrounds the welded housing and serves as a protective barrier for the labels and provides the means for carrying and placement during use as a radiographic exposure device The Model 880 Delta is identified by a yellow colored jacket the Model 880 Sigma is identified by a black colored jacket and the Model 880 Elite is identified by a blue colored jacket The plastic jacket incorporates a carrying handle and a base that is used during radiographic operations but is not required for transportation purposes The plastic jacket may be removed for certain applications such as when the exposure device is securely mounted to a pipe crawler locomotive or a pipe liner sled The Model 880 Delta Sigma and Elite exposure devices are designed tested manufactured to meet the requirements of ANSI N432 1980 ISO 3999 1 2000 E IAEA ST1 IAEA TS R 1 1996 USNRC 10CFR34 10CFR71 and 49CFR173 requirements Additionally the exposure device is designed manufactured and serviced under a ISO 9001 QA program and a USNRC 10CFR71 Subpart H QA program The QA program also includes the reporting requirements of USNRC 10CFR21 for suppliers of source and byproduct materials Source assembly Titanium S tube Welded shield container Protective plastic jacket with carrying handle Plunger lock Locking mechanism Outlet port Guide tube connector Remote control connector Depleted Uranium shield 1 1 1 2 TECHNICAL SPECIFI
9. Delta 5 4mCi 200M Bq Sigma 5 4mCi 200 Elite 3 8mCi 141M B9 Construction A depleted Uranium DU shield is encased within a welded tubular stainless steel shell with stainless steel end plates The interior void space is filled with rigid polyurethane foam The exposure device body is encased in an engineered plastic jacket also consisting of the handle and a base Materials Titanium S tube DU shield 300 series stainless steel tubular shell and plate aluminum brass tungsten and polyurethane Maximum capacities Delta 150Ci 5 55TBq Sigma 130Ci 4 81TBq Elite 50Ci 1 85TBq of Ir 192 Inspection requirements Daily pre operational inspection for obvious damage to the system Maintenance requirements Most national regulations require inspection and maintenance of the system at quarterly intervals The complete annual servicing ensures the integrity of the system Shorter frequencies of inspection and maintenance are required when the system is operated under severe operating environments In some cases the system should be serviced immediately after certain jobs in severe environmental working conditions Operating temperature range 40 to 300 F 40 C to 149 C Source assembly USNRC Model Number A424 9 source assembly with a doubly encapsulated Ir 192 sealed source The IAEA USDOT Special Form Certificate number is USA 0335 S Optional isotopes that may be utilized in the Model 880 exposure devices ar
10. OPERATING INSTRUCTIONS Projecting Rapidly rotate the control crank handle in the EXPOSE direction counterclockwise to move the source assembly out of the exposure device to the radiographic focal position The control crank handle will stop turning when the source reaches the source stop Do not use excessive force The odometer if fitted will indicate the approximate total distance traveled 7ft 2 1m for each guide tube section Set the brake to ON to prevent movement of the source assembly during the radiographic exposure Start timing the radiographic exposure from the moment the source assembly reaches the exposure head Survey meter readings observed during the projection operation should increase rapidly from background to a high level as the source emerges from the projector Then readings should fall as the source moves out towards the focal point fall sharply as the source enters a collimator if used and remain steady throughout the exposure Actual survey meter readings will depend on the source activity distance collimators and shielding The sequence of changes should be observed and the readings noted During retraction of the source assembly from the exposure head to the exposure device the sequence will reverse The survey meter should indicate a continually increasing radiation level as the source assembly is retracted then drop to background when the source assembly is stored in the exposure device During
11. a radio assay must indicate removable contamination is less than 0 005uCi 185Bq To perform a wipe of the radioactive sealed source perform the following steps 1 Survey the exterior surface of the Model 880 exposure device to ensure the dose rates are less than 200mR hr 2mSv hr 4 3 4 4 MAINTENANCE INSTRUCTIONS 2 Prepare a Model 518 wipe test swab according to the instruction sheet Fill in all required information for the on the leak test form Omission of the isotope source model and serial number etc will delay processing of the wipe test 3 Install service bayonet fitting part no 88049 into the outlet port and rotate the cover to allow the wipe test wand to enter the S tube 4 Fully insert the wipe test wand into the S tube and move back and forth to obtain the sample 5 Carefully withdraw the wipe test swab from the outlet port while observing the survey instrument Withdraw the plastic bag over the wipe test wand without touching Always assume the sample is contaminated 6 Remove the service bayonet fitting from the outlet port and rotate the outlet port cover into the closed position 7 In alow background no radiation area switch the survey meter to the lowest scale and obtain a background measurement Leaving the survey meter stationary move the plastic wrapped swab towards the survey meter s detector to determine if a gross quantity of contamination is on the wipe test If the survey meter m
12. alarm is required by regulation for temporary job site radiography within the USA Apparatus for industrial gamma radiography Apparatus including an exposure device a source assembly as applicable a remote control a projection sheath an exposure head and accessories designed to enable radiation emitted by a sealed radioactive source to be used for industrial gamma radiography purposes Also known as isotope radiography system isotope radiography kit Automatic securing mechanism An automatically activated mechanism located on the radiographic exposure device designed to restrict the source assembly in the secured position Beam limiter A shielding device for confining the elements of a beam of radiation to an assigned solid angle Beam limiters are generally manufactured from lead tungsten and depleted Uranium and are pre positioned over on the radiation source s working position Also known as collimators Control crank A control cable cranking device that is a component of the remote controls The control crank is used at a distance by the radiography personnel to move the radiation source to and from the device through projection sheaths to and from the exposure position Manual control crank mechanisms are commonly used but automatic exposure controllers are available which can be operated from a greater distance and allows preset timing and automatic expose and retract modes Also known as wind outs crank outs hand
13. an emergency Without the instructions it is conceivable a radiographer could become confused as to which direction the crank handle must be tumed to retract or expose the source Ensure the brake is operational Resistance should be felt while rotating the crank handle with the brake in the ON position Inspect the control conduit fittings to verify they are secured to the control crank 2 Control conduit inspection Inspect the control conduit where it is swaged onto the fittings that mount on the control crank There should be no evidence of cracks or breaks in the yellow PVC sheath Also look for bulges in that area that result from repeated flexing Visually inspect the entire length of both control conduits looking for dents cuts and thermally damaged areas During this inspection the radiographer should use his hands to feel for inward dents Cuts and melted areas found on the control conduits should be sealed with PVC tape to prevent against the ingress of water Inspect the control conduits where they are swaged to the swage fittings that are mounted to the connecting plug assembly There should be no evidence of cracks breaks or bulges in the yellow PVC sheath Remove the protective cover from the connecting plug assembly Inspect the connecting plug assembly to verify the movable jaws are not excessively loose and the connector collar pins are not excessively loose or bent Check the control sheath swage fittings to verify they are
14. and the statement This package conforms to the conditions and limitations specified in 49CFR173 426 for Radioactive Material Excepted packages Articles Manufactured from Depleted Uranium UN2909 49CFR173 422 49CFR173 426 b Properly complete the shipping papers including i For all shipments the following statements Exempt from specification packaging shipping paper and certification marking and labeling and exempt from the requirements of 49CFR Parts 171 178 except requirements within those parts relating to the reporting of Incidents and decontamination the training requirements of Subpart H of Part 172 and the shipping paper requirement of Subpart C of Part 172 This exemption is Authorized per 49CFR173 426 5 7 5 8 SAMPLE TRANSPORTATION INSTRUCTIONS This Package Conforms to the Conditions and Limitations Specified in 49CFR173 426 for Radioactive Material Excepted Packages Articles Manufactured From Depleted Uranium UN2909 ii Your company s 24 hour emergency phone number NOTE When shipping by Air Excepted packages are exempt from the requirement for the use of Dangerous Goods Declaration For Excepted Packages the following endorsement is required on the air waybill Radioactive Material Excepted Package Articles Manufactured from Depleted Uranium UN2909 IATA10 8 8 3 3 c For air shipments the shipping papers must meet the requirements specified in IATA for a Shipper s Declaration for Dang
15. category The TI is the maximum radiation level in measured in mRem hr at a distance of 1m from the external surfaces of the package When recording the TI the dose rate units of mRem hr are not listed for example of reading of 2mRem hr would indicate a TI 2 0 Note that the TI is rounded to the nearest tenth value a Markthe outside of the outer shipping package with the proper shipping name and identification number Radioactive Material Low Specific Activity LSA 1 UN2912 If the container is packaged inside a crate or other outer packaging mark the outer package with the statement Inside package complies with prescribed specifications A9CFR172 300 b Properly complete the shipping papers indicating i Proper shipping name and identification number i e Radioactive Material Low Specific Activity LSA 1 UN 2912 Class 7 ii Name of the radionuclide i e depleted Uranium 238 iii Physical and chemical form i e Solid Metal SAMPLE TRANSPORTATION INSTRUCTIONS iv Activity of the uranium in Becquerels or other appropriate multiples of Becquerels NOTE Number of Ci x 37 number of GigaBecquerels GBq The activity in millicuries for U 238 equals 0 16 x the shield weight in pounds i e for a Model 650L with a 35lb shield the approximate activity would be 0 16 x 35lb 5 6mCi v Category of label applied i e Radioactive Yellow 11 vi Transport Index vii USNRC identification number or DOT specificati
16. feature the controls cannot be removed from the exposure device locking mechanism unless the source assembly has been returned to the fully shielded position within the exposure device The complete radiography system consists of the radiographic exposure device containing the source assembly the remote controls source guide tubes and collimators beam limiters whenever possible The use of multiple source guide tubes must be a combined length shorter than the length of the remote controls e g if the remote controls are 25ft 7 6m long only source guide tubes can be utilized for a combined length of 21ft 6 4m This consideration ensures the source assembly will be fully projected to the source stop exposure head The source assembly must never be projected until the equipment is properly connected and all personnel have left the restricted area Transit mode Rotating the handle of the remote control crank in the EXPOSE direction counter clockwise moves the source assembly out of the shielded position in the exposure device and into the source guide tubes projection sheaths See figure 3 3 The source assembly is under positive mechanical control using the remote control crank The remote controls that are fitted with an odometer to provide an indication of the sealed source s position The odometer reading should never be a substitute for the requirement and proper use of a radiation survey meter Source assembly Sealed so
17. feel for any resistance that indicates damage of the remote control conduit Turn the control crank handle in the RETRACT direction until the end of the control cable is protruding Screw the safety stop spring onto the end of the control cable approximately 2in 50mm from the end Connect the RETRACT control housing to the control crank housing Retract the control cable fully watching for any binding that may indicate damage to the control housing If applicable reset the odometer to zero with the control cable fully retracted Replace the protective rubber cap over the end of the safety connector assembly 4 13 4 14 MAINTENANCE INSTRUCTIONS Quarterly and annual maintenance for source guide tubes Tools required for maintenance of source guide tubes A424 9XL mock source assembly to perform function tests after cleaning and inspection e Length of clean control cable to push A424 9 XL through a 7ft 2 1m source guide tube e lin 18 tap and 1in 18 die nut for male and female threads of the source guide tubes if required Materials required for maintenance of source guide tubes Solvent Clean mineral spirits to clean the source guide tubes internally Clean lint free cloths and detergent to clean the exterior of the source guide tubes e Mil Spec grease MIL G 23827B or C MIL PRF 23827C or equivalent radiation resistant grease to lubricate the swage fittings on the source guide tubes e Compressed air source a
18. guide tube from the outlet port 3 Simultaneously pull and rotate the spring loaded outlet port cover a quarter of a turn in a counter clockwise direction Place the protective covers on the fittings of each source guide tube used to exdude dirt and protect the swaged fittings Source guide tubes should be rolled up loosely for easier handling and transport Surveying After installing the locking mechanism s protective cover and the outlet port cover survey the entire circumference of the exposure device with the survey meter to ensure the source is fully shielded and properly secured The survey should not measure more than 200mR hr 2mSv hr on any surface of the exposure device and should indicate the same measurement as the initial survey Storage Lock the exposure device and secure it in a dean dry storage area where it cannot be tampered with or removed by unauthorized personnel Perform a storage survey on the surface of the exposure device to verify the dose rate is less than 200mR hr 2mSv hr and record A radioactive material warning notice must be posted on the door or entrance of the storage area The door or entrance must be locked to prevent access by unauthorized personnel DAILY INSPECTION INSTRUCTIONS Introduction The QSA Global Inc Model 880 Delta Sigma and Elite radiographic exposure devices provide innovation to the most widely used family of radiographic exposure devices utilized for on site gamma radi
19. hr 2mSv hr on any surface of the exposure device Use this measurement for verification surveys of the source assembly s return to fully shielded secured position within the exposure device after each radiographic exposure Source guide tube projection sheath layout Ensure all source guide tubes that will be utilized have received a daily inspection according to the daily inspection section of this manual Position and secure the source stop exposure head of the terminating source guide tube at the radiographic focal position using the tripod stand and swivel clamps or some other secure and suitable means Ensure that a source stop end stop is in place on the terminating source guide tube Use a collimator beam limiter to limit the primary beam in unwanted directions Determine where the exposure device will be positioned and lay out the source guide tubes as straight as possible with no bend radius less than 20in 0 5m to avoid restricting the movement of the source assembly Make sure that the source guide tubes do not contact any heated surface greater than 1409F 60 C Avoid any risk of crushing the source guide tube s by falling objects vehicles or doorways during set up and during radiographic exposure Connecting the source guide tube s The source guide tubes must always be attached to the outlet port of the device before connecting the remote controls in the set up for a radiographic exposure Connect the source g
20. inspection criteria described in the daily inspection 3 Setup the equipment within a restricted area before transferring the source assembly into the source changer according to the instructions supplied with the source changer The transfer must be performed by properly trained and licensed personnel Use a survey meter to perform confirmatory surveys of the exposure device source guide tube and source changer to confirm that the sealed source is properly secured Engage the lock on the source changer to lock the sealed source within the source changer Remove the source identification tag from the exposure device and fasten it to the source changer Attach a Model 550 connector gauge jumper to the end of the remote control cable connector found inside of the protective cover of the locking mechanism The jumper will allow removal of the remote controls from the locking mechanism of the device after the remote control cable connector is returned to the exposure device lock Leak testing Leak test of the radioactive sealed source Periodic leak tests of the radioactive sealed source are required by most national regulations The leak test provides a confirmation of the integrity of the hermetically welded sealed source by determining the amount of removable contamination In most regulatory jurisdictions a leak test of a sealed source must be performed every 6 months or prior to its first use after removal from storage Acceptable results of
21. must be worn Disassemble and degrease the drive wheel wear strip the two cable adapters the two brake jaws the two halves of the control crank housing and brake bearing The wheel bearings may be left in the control crank housing during cleaning but care should be taken not to lose the spacer rings that fit between the wheel bearings and the drive wheel as applicable Clean and inspect all parts for damage or wear and replace as necessary If applicable remove the reset knob of the odometer by loosening the two Allen set screws then remove the odometer cover by removing the two bind head screws that fasten it to the mounting plate Do not disassemble the odometer Clean the helical gear of the odometer with solvent using a brush to dislodge any material between the gear teeth Check the odometer for proper operation turning the gear should turn the odometer but the odometer shaft should still be able to turn when the gear is held fixed for zeroing the odometer Clean the drive wheel in solvent using a brush to dislodge any dirt between gear teeth Inspect the drive wheel s gear teeth looking for broken or bent teeth If the drive wheel has broken or bent teeth use a file to grind the tooth flush with the drive wheel Up to three consecutive teeth can be missing from the drive wheel before a replacement is required Light rust may be removed from the wear strip using fine sandpaper and machine oil Lightly grease the drive wheel hub wheel
22. not equipped with odometers to obtain an approximation of the travel distance One full revolution of the crank handle is equal to approximately 10in 25 4cm of travel Two remote control conduits sheaths housings are attached to the control crank One conduit contains the working side of the control cable that drives the source assembly out of the exposure device and through the source guide tubes The second conduit is the reserve conduit containing the length of the control cable necessary for projection of the source assembly The remote control conduits provide a degree of protection of the control cable against the elements common to the working environments that industrial radiography is performed Attached to the opposite end of the remote control conduits is a connecting plug assembly that is used for attachment of the remote controls to the locking mechanism of the exposure device The connecting plug assembly and the control cable connector are designed with minimal tolerances A connection of the source assembly connector to the control cable connector must be completed before the remote control connecting plug assembly can be attached to the locking mechanism of the exposure device A protective end cover must be installed after use of the remote controls The protective cover provides protection to the connecting plug assembly and the control cable connector and prevents the ingress of water mud sand or other foreign matter The co
23. not loose where they are joined to the connecting plug assembly 3 Control cable inspection Inspect the control cable connector as it protrudes out of the connecting plug assembly The control cable connector should not be bent or at an angle exceeding 15 degrees relative to the control cable centerline If a control cable connector is repeatedly bent at an angle greater than 15 degrees damage to the control cable may be introduced by straightening the bend Inspect the control cable male connector to verify that the stem and ball of the connector is not bent or cracked Using hand pressure attempt to twist the control cable connector from the control cable If the control cable connector can be twisted using hand pressure or appears bent or cracked remove from service and label as defective Pull approximately 12in 30 5cm of control cable out of the connecting plug assembly and inspect for the following anomalies directly behind the connector Cuts breaks nicks or fraying of the spiral windings of the control cable Areas with kinks or permanent bends e Rust a red oxide on the inner core of the control cable e Uniformity of the spacing between the outer spiral windings Also check for flattened areas and wear Bend the connector section of control cable back towards itself and release the cable to test for flexibility or spring of the control cable A cable that has been subjected to the flexibility test and remain
24. or greater than 27Ci 17 of 1r 192 80Ci 3TBq of Se 75 or 10 8Ci 0 4TBq of Co 60 must be shipped in Type B packages Quantities less than these quantities can be shipped as Type A Type A testing documentation must be kept on file for one year after shipment e Maintain copies of the most current Type B Type A and Special Form certification on file 4 Assure that the source is secured in the proper shielded position in the shipping package as described in the appropriate operations manual Perform a pre shipment inspection see Part A of these instructions and verify conformance to the transport package certificate 5 Asapplicable attach a security seal with an identification mark to the package dosure that serves as a tamper indicator A9CFR173 412 a 6 If the shipping package is to be packaged inside a crate or other outer packaging the outer packaging must be strong enough to withstand the normal conditions of transport and must not reduce the safety of the package The shipping package must be placed within the outer package with sufficient blocking to prevent shifting during transportation 49CFR173 25 7 Survey the exterior surfaces of the package and assure that the maximum radiation level does not exceed 200mRemyhr 2mSv hr Survey 1m from the exterior surfaces of the package and assure that the maximum radiation level does not exceed LOmRem hr 0 1mSv hr Determine the proper shipping labels to be applied to the packag
25. the swage fittings are not damaged and are securely attached to the source guide tube apply a light coat of grease to the threads and install the protective covers over the fittings MAINTENANCE INSTRUCTIONS Misconnect test after reloading sealed source into the exposure device After performing the annual maintenance the complete locking system should be tested by the maintenance program administrator or Radiation Safety Officer A misconnect test on the exposure device including the radioactive source assembly effectively tests the integrity of the entire locking system This procedure detects long term wear or damage of control and locking mechanism components including the control cable and sealed source connectors simultaneously The test should only be performed by personnel that are formally trained authorized and thoroughly familiar with annual maintenance procedures This test is performed by engaging the remote control connecting plug assembly into the exposure device s locking mechanism without first engaging the control cable connector within the source assembly connector The ability to then rotate the locking mechanism from the CONNECT position towards the LOCK position indicates critical dimensions of the locking system are excessively worn to a unsafe condition Extreme care should be exercised to prevent rotating the locking mechanism s selector ring beyond the LOCK position If the locking mechanism and remote controls fa
26. the radiographic exposure use the survey meter to check the boundary dose rate but spend as little time as possible in and near the restricted area to minimize personal exposure 2 9 2 10 OPERATING INSTRUCTIONS Retracting At the end of the required exposure time set the brake to OFF and rapidly turn the crank handle in the RETRACT clockwise direction until it no longer moves You may hear the lock slide click back into its original position depending on the ambient noise level at the job site From the control crank you may be able to observe the GREEN MARKING on the slide bar Apply a slight amount of forward pressure on the crank handle as if to expose the source to ensure that the positive locking mechanism has actuated Allow the crank handle to return to a neutral position thereby relieving any tension force on the control cable that would cause source movement when unlocking the projector At this point the source cannot be moved out of the stored position In the unlikely event the lock slide moves toward the lock position before the source is fully stored in the exposure device turn the crank handle in the RETRACT clockwise direction until it stops turning The lock slide is designed to lock on the stop ball not the control cable Do not use excessive force The source assembly will be in the exposure device but not in the fully shielded position Approach the exposure device from the rear with a sur
27. the source guide tube bayonet fitting engages MAINTENANCE INSTRUCTIONS Install new compression springs and assemble the outlet port mechanism Apply Vibratite thread sealant to the socket head cap screws before tightening Install a new set screw to the outlet port cover After assembly of the front plate perform the following safety function tests using a bayonet source guide tube fitting Pull the outlet port cover and rotate clockwise 90 degrees Movement should be smooth and limited to a clockwise 90 degree turn Insert a bayonet fitting into the outlet port and rotate 90 degrees in a counter clockwise direction Insertion and rotation of the bayonet fitting should be smooth and without snags Rotate the outlet port cover from a 3 o clock position to a 5 o dock position This operation moves the rotor from the port shield position to a pass through section of the rotor Reverse the operation to disengage the bayonet fitting Repeat the function test three times to ensure smooth operation 8 Re assemble the Model 880 exposure device by performing the following steps Apply Permantex anti seize thread lubricant to the first several end threads of the back plate s locking mechanism four 5 6 18 x 1 2 socket button head screws Align and attach the locking mechanism assembly to the exposure device s end plate by installing the four 5 6 18 14 2iIn screws using a tamperproof tool bit mounted in a calibrated torque wrench Torque the
28. the word CONNECT at the 12 o clock position over the selector body Push the lock slide inward during placement of the selector ring for clearance Doing so will allow the selector ring to rest flush on the selector body Insert the anti rotation lug springs at the top and bottom of the selector body Place the anti rotation lugs over the springs Place the tungsten sleeve with the large diameter facing downward on the center of the lock slide Place the compression spring over the sleeve Install the selector ring retainer into the selector ring Verify that the three non threaded holes line up under the word CONNECT located on the selector ring Depress the selector ring retainer into the selector ring until it is flush with the top of the selector ring Hold the selector ring retainer firmly against the mounting plate until the 10 32 x 1 iin screws are installed While firmly holding the locking mechanism against the mounting plate turn the plate over to expose the back side of the mounting plate Install the four 10 32 x 1 4 socket head screws to secure the mechanism to the mounting plate Torque the socket head screws to 30in Ib 3 39Nm or 5in Ib 0 57Nm using a calibrated torque wrench 6 Perform functional safety testing of the locking mechanism by the following Mount the locking mechanism plate vertically in a vise or mounting fixture with the plunger lock at the 12 o clock position Insert the U tool into the t
29. up to a maximum activity for the following listed isotopes Iridium 192 130Ci 4 81TBq Ytterbium 169 20Ci 0 74TBq Selenium 75 80Ci 2 96TBq Cobalt 60 0 025Ci 925MBq The Model 880 Elite may be used with suitable source assemblies up to a maximum activity for the following listed isotopes Iridium 192 50Ci 1 85TBq Ytterbium 169 20Ci 0 74TBq Selenium 75 80Ci 2 96TBq Cobalt 60 0 025Ci 925MBq A range of remote control units source guide tubes projection sheaths collimators beam limiters service replacement units and accessories are available for these systems 3 1 3 2 DAILY INSPECTION INSTRUCTIONS Operational features 1 Source assembly A sealed source containing the radioactive material is swaged crimped to one end of a flexible steel leader commonly referred to as the source holder or pigtail A steel stop ball and a steel connector are swaged to the opposite end of the source holder The stop ball provides the means to secure the source assembly within the exposure device s locking mechanism The source assembly connector provides the means to attach the control cable connector to enable remote projection and retraction of the source assembly The source assembly connector and projector locking mechanism are designed so that the sealed source cannot be projected from the exposure device unless it has been properly coupled to the control cable connector and the remote control See figure 3 1
30. 74 days 12 63mm 50Ci 1 85TBq Cobalt 60 A424 19 1 17 1 33MeV 5 27 years 50 150mm 25mCi 925 TECHNICAL SPECIFICATIONS Source output At 1m per Ci 37GBq At 1ft per Ci 37GBq Ytterbium 169 0 125R hr 1 25mSv hr 1 3R hr Ci 13 0mSy hr Selenium 75 0 203R hr 2 03mSv hr 2 2R hr Ci 22 0mSv hr Iridium 192 0 48R hr 4 80mSv hr 5 2R hr Ci 52 0mSv hr Cobalt 60 1 30R hr 13 0mSv hr 14 0R hr Ci 140mSv hr Selected attenuation data Material Approximate Approximate half value thickness material inches mm density Ytterbium 169 Selenium 75 Iridium 192 Cobalt 60 Concrete 2 35g cm 1 140 29 0 1 180 30 0 1 700 43 2 2 400 61 0 Aluminum 2 65g cm 1 100 27 0 Steel 7 809 0 170 4 3 0 315 8 0 0 512 13 0 0 827 21 0 Lead 11 349 0 032 0 8 0 039 1 0 0 200 5 1 0 500 12 7 Tungsten 17 809 0 032 0 8 0 130 3 3 0 310 7 9 DU 18 70g cm 0 050 1 3 0 270 6 8 Operating distance The distance between the remote control and the exposure head is determined by summing the length of the remote control conduits plus the total length of source guide tubes used and normally should not exceed 47ft 14 2m Standard remote controls 25ft 7 6m 35ft 10 7m 50ft 15m Standard source guide tubes projection sheaths 7ft 2 1m set of three source guide tubes 21ft total 6 3m NOTE The total length of source guide tubes utilized must be shorter in
31. ASSEM BLY 55010 1 70ft 21 3m CONTROL CABLE 12 68900 7 1 WEAR STRIP 55009 1 100ft 30 5m CONTROL CABLE 13 81800 1 1 DRIVE WHEEL 26 69303 1 ODOM ETER ASSEMBLY e 14 68900 2 2 CABLE ADAPTER 27 69201 3 1 HANDLE e 15 69302 1 1 GEAR SHAFT 28 66410 1 O 16 BBS 007 1 OILITE BEARING e 29 66403 1 ODOM ETER ASSEMBLY O 17 PIC 003 1 WASHER e PISTOLGRIP MODEL REELTYPEMODEL SAMPLE TRANSPORTATION INSTRUCTIONS The sample transportation regulations in section 5 are specific to the USA only As stated in section 5 1 you should reference all international and local regulations before shipping The following instructions are samples for the transport of radiography devices and sources within the United States and are based on current transport regulations Shippers of radioactive materials in regulatory jurisdictions outside of the USA must ensure full compliance with all current and applicable transport regulations For transportation in ADR countries the package documentation must include a copy of HIO18 current issue containing guidance notes for shipping to conform with TS R 1 ST 1 Revised Listed are the regulations that should be referenced for the legal transport of radioactive materials e International Atomic Energy Agency requirements No TS R 1 1996 Regulations for the Safe Transport of Radioactive Materials e International Atomic Energy Agency requirements No SS 6 Regulations f
32. CATIONS Applications The Model 880 devices are used for industrial applications of gamma radiography mainly with Iridium 192 to inspect materials and structures in the density range of approximately 2 719 through 8 53g cm The Model 880 devices also accommodate low energy isotopes to permit radiography of materials and structures of thin sections of steel and low density alloys The Model 880 exposure devices are also designed for use with low activity sources with high photon energies that are used for mass absorption gamma scanning studies of high density materials up to 18 7g cm Standard source assembly Metallic Iridium 192 discs and pellets are doubly encapsulated in welded stainless steel or titanium capsules The sealed sources are designed and tested to achieve an ISO ANSI minimum dassification of 77C43515 to comply with the IAEA and USDOT requirements for Special Form radioactive material The ISO ANSI classification 77C43515 stated in this manual refers to the complete source assembly The inner capsule exduding X 540N has been tested to ISO ANSI 77C64515 and therefore meets all the requirements of the IAEA Transport Regulations The sealed source is swaged to one end of a source holder consisting of a short flexible steel cable which has the female half of a connector at the other end used for coupling to a control cable connector The source assembly also has a stainless steel stop ball swaged onto it slightly for
33. DANGER IMPORTANT WARNING The source assembly while in an unshielded position and the sealed source containing the radioactive material must NOT be handled under any circumstances The unshielded source at close proximity can cause serious injury sickness or death to anyone exposed to it even for a short duration All specific model number source assemblies used in the Model 880 are designed and tested for use in accordance to ISO ANSI and USNRC requirements 2 Exposure device The source assembly is shown in the stored position in a titanium S tube at the center of the depleted Uranium shield of the exposure device See figure 3 2 A remote control unit is shown with its control cable connector coupled to the source assembly High density depleted Uranium shielding is used in the exposure device to provide good radiological protection with minimal weight Sealed source Flexible leader Stop ball Control cable Source assembly Control cable connector connector PS 7 77 Figure 3 1 Source assembly and remote control cable connectors DAILY INSPECTION INSTRUCTIONS A shielded outlet port cover mechanism permits a secure attachment of source guide tubes projection sheaths without an elevation of radiation levels The outlet port mechanism will not allow the source assembly to be projected outside of the exposure device unless a source guide tube has been properly attached to the outlet port A three step connec
34. E TRANSPORTATION INSTRUCTIONS Part D Shipment of empty Uranium shielded containers 1 Assure that the package does not contain a radioactive source Perform the following procedure to confirm there are no unauthorized source assemblies within the container e Transfer the authorized source assembly from the Model 880 in accordance with the source changer operations manual e After removing the source assembly and disconnecting the source assembly attach the jumper dummy connector without a serial number to the male connector of the control cable e Retract the control cable and jumper and disconnect the controls from the locking mechanism e Insert the protective cover into the locking mechanism rotate the selector ring into the lock position engage the plunger lock and remove key e Remove the source identification tag from the Model 880 and place it with the source assembly e some regulatory jurisdictions empty labels or tags must be attached to the empty Model 880 2 If the shipping package is to be placed inside a crate or other outer packaging the outer packaging must be strong enough to withstand the normal conditions of transport and must not reduce the safety of the package The shipping package must be placed within the outer package with sufficient blocking to prevent shifting during transportation 49CFR173 25 3 Assure that the levels of removable radioactive contamination on the outside surface of the outer packag
35. SENTINEL 3O SERIES SOURCE PROJECTOR OPERATING AND MAINTENANCE MANUAL GLOBAL QSA GLOBAL ADDENDUM SHEET For Model 880 MAN 027 December 2005 Revision This following provides information on the Model 880 OMEGA radiographic exposure device and identifies differences for this device not currently addressed in MAN 027 The Model 880 OMEGA general description is identical to all other Model 880 source projectors except for the following T The Model 880 OMEGA is identified by a Safety Orange colored optional jacket The maximum package weight is as follows With Jacket 33 Ibs 15 kg Without Jacket 28 Ibs 13 kg The maximum depleted uranium shield weight is 17 lbs 7 7 kg The maximum radioscope capacity is as follows 15 Ci 0 55 Ir 192 80 Ci 2 96 Se 75 30 Ci 1 11 Yb 169 The Model 880 OMEGAis evaluated as a USDOT Type A Transport Container The Model 880 OMEGA is NOT approved as a Type B transport package Labeling for this device reflects the Type A information for the package instead of the the Type B information referenced for the other versions of the Model 880 described in MAN 027 Contact QSA Global Inc if additional information is required This sheet must be included with all copies of the above referenced manual Addendum Sheet issued April 2006 SENTINEL Youn KEY To NDT DANGER IMPORTANT WARNINGS The system must be operated only b
36. SET SCREW 13 88035 1 SLIDER ITEM PARTNUMBER QTY DESCRIPTION 1 88033 1 PORT COVER SET SCREW TYPE e 88033A 1 PORT COVER ROLL PIN TYPE 2 SCR162 1 SET SCREW e PINO36 1 ROLL PIN 3 88031 1 FRONT PLATE 4 88036 2 WASHER 5 88032 1 ROTOR ROLL PIN TYPE e 88032A 1 ROTOR SET SCREW TYPE 6 SPRO33 2 COMPRESSION SPRING 7 88037 1 SHAFT SET SCREW TYPE e 88037A 1 SHAFT ROLL PIN TYPE APPLY THREAD LOCK COMPONENTS ON SOME MODELS DIFFER SLIGHTLY FROM THOSE ILLUSTRATED CHECK PART NUMBER BEFORE ORDERING APPLY 8 EQUAL PROTRUSION MAINTENANCE INSTRUCTIONS CONTROL ASSEMBLIES SOURCE GUIDE TUBES CONTROL ASSEMBLIES ITEM PARTNUMBER QTY DESCRIPTION ITEM PARTNUMBER QTY DESCRIPTION 1 SCR125 4 1 sin BIND HEAD SCREW 18 002 1 HELICAL GEAR 2 SCROOS8 4 1 hin BIND HEAD SCREW 19 PINOO8 1 ROLL PIN 3 008 1 HEXAGONAL BOLT 20 66404 1 1 GEAR SHAFT O 4 5 019 1 WASHER 21 BBS 005 1 OILITE BEARING O 5 68901 1 CRANK ARM 22 NUTO25 4 STOP NUT 6 BBS 004 1 BRAKE BUSH 23 66103 1 SAFETY CONNECTOR 7 81800 10 2 CONTROL CRANK HOUSING 24 59125 2 25ft 7 6m HOUSING 8 68900 8 1 CRANK DECAL 59135 2 35ft 10 7 HOUSING 9 68900 4 2 BRAKE JAW 59150 2 50ft 15 2m HOUSING 10 68900 3 1 BRAKE ARM 25 55005 1 50ft 15 2m CONTROL CABLE 11 BBS 001 2 BALL BEARING
37. Whenever subjected to extreme environmental conditions The routine maintenance performed every 3 months requires partial disassembly cleaning inspection re lubrication and operational checks of the system The complete maintenance performed once a year involves a complete disassembly cleaning inspection re lubrication and operational tests of the entire system Equipment maintenance can be performed by trained and qualified individuals within the licensee s organization QSA Global Inc service engineers are available to provide maintenance on the systems at the licensee s premises or at one of the service centers Routine quarterly maintenance requirements 1 Remote controls Disassemble clean inspect and maintain the remote control crank control conduits and control cable according to the complete service section Record the results of the inspection and any repairs that are performed Any components found to be deficient during the inspection must be removed from service until repaired or replaced Deficient components must be labeled with a status indicator to prevent inadvertent use 2 Source guide tubes Clean and inspect the source guide tubes in accordance to the complete service section Record the results of the inspection and any repairs that are performed All source guide tubes found to be deficient during this inspection must be removed from service and sent to a service center for repairs Deficient components must be ta
38. ale 1 18 threaded fitting Customer specified length 7ft 2 1m with bayonet fitting Customer specified length Source guide tube extension Product code Model number Length TAN48907 48907 7ft 2 1m male female 1 18 threaded fittings 48930 7 48930 7 7ft 2 1m bayonet fitting female 1 18 48930 X 48930 X Customer specified length NOTE X indicates customer can order lengths other than the standard length Exposure device specifications Manufacturer Sentinel QSA Global Inc 40 North Avenue Burlington Massachusetts USA 01803 Primary application Industrial gamma radiography Model number Model 880 Delta Model 880 Sigma and Model 880 Elite The Model 664 reel and 693 pistol grip controls are equipped with odometers The Model 692 pistol grip control are not equipped with an odometer Length 13 33in 33 8cm all models Width 7 5in 19 1cm all models Height Yin 22 9cm all models TECHNICAL SPECIFICATIONS Weight of exposure device Certification Delta 521 24kg Sigma 521 24kg Type B U package Elite 4216 19kg Certification Number USA 9296 B U XX f for XX enter either 85 or 96 according to Weight of depleted Uranium shield package certification and for 9 Delta 3410 15 4kg Sigma 34lb 15 4kg Canadian shipments CDN E199 XX Elite 2510 11 4kg for XX enter either 85 or 96 according to Activity of depleted Uranium shield the Package certification number
39. ates regulations High Radiation Area signs must be posted where a dose of 100mRem 1mSv could be received in any one hour The radiographers must provide continuous direct surveillance of the area or when a permanent installation is used the entrance must be equipped with door interlocks audible and visual warnings Radiation Area signs must be posted where dose of 5mRem 5uSv could be received in any one hour Restricted Area must be identified and posted where a dose of 2mRem 20uSv could be received any one hour or 100mRem 1mSv in one year In practice the Radiation Area and Restricted Area are combined and identified by the use of a rope barrier The area is posted with the Radiation Area signs where the maximum dose will not exceed 2mR 20 5 any one hour or 100mRem 1mSy in a year The practice of using the Radiation Area sign at the Restricted Area boundary clearly defines why the area has been restricted Additionally the trefoil radiation symbol provides a visual warning for those individuals who cannot read During a radiographic exposure a calibrated and operable survey meter must be used to confirm the dose rate at the Restricted Area boundary and adjusted if the dose rate exceeds the limit of 2mRem 20uSv in one hour During the radiographic exposure the radiographers must maintain continuous direct surveillance of the High Radiation Area in addition to ens
40. ax 1 225 756 0365 or 1 225 751 8082 Sales Europe Scandinavia Africa India Sentinel QSA Global GmbH Gieselweg 1 Braunschweig 38110 Germany Tel 49 5307 932 396 Fax 49 5307 932 194 Manufacturing Sentinel QSA Global Inc 40 North Avenue Burlington Massachusetts 01803 USA Tel 1 781 272 2000 Fax 1 781 273 2216 www 880delta com Sentinel is a trademark of QSA Global Inc D Global Inc All goods and services are sold subject to the terms and conditions of the company within the QSA Global group which supplies them A copy of these terms and conditions is available on request All brand names and product names where used are acknowledged to be trademarks of their respective holders MAN 027 December 2005 QSA GLOBAL
41. bearings and the wear strip before reassembling Place one of the cable adapters in the lower control crank housing Place one end of the wear strip against the cable adapter then fit the rest in the track of the housing Fit the other cable adapter in place to retain the wear strip CAUTION Wear safety glasses when inserting the wear strip It will be under tension and could suddenly fly out during assembly MAINTENANCE INSTRUCTIONS Place the drive wheel in the lower half of the control crank housing making sure the spacer rings are between it and the wheel bearings if applicable Assemble the two brake jaws brake bearing and brake arm The angled sides of the brake jaws should be facing the retract side of the control crank housing Place the upper control crank housing over the assembly while keeping them level and press them together Check the control crank mechanism is properly assembled by tuming the shaft It should spin freely Check the operation of the friction brake while holding both halves of the control crank housing together tightly If it does not function correctly check for faulty assembly or excessively worn brake jaws As applicable mount the control crank housing on the frame or handle with the four bind head screws and stop nuts Secure the crank arm to the shaft using the 5 washer and hex bolt For reel type controls secure the odometer cover to the mounting plate with two bind head screws Secure th
42. ble Shielding Whenever possible situate the radiographic exposure area in a room with suitably thick walls floor ceiling and doors Whenever possible the use of a collimator provides effective shielding to reduce radiation levels outside of the central beam It is recommended that collimators be used at temporary job sites to minimize occupational exposure to radiation Surveillance Radiography systems must be operated only by trained and qualified radiographers or assistants working under their direct supervision The radiographer must be physically present at the site and able to control and limit access to the restricted area Locking Keep the exposure device locked while assembling the system and when not being used to perform radiography Locked is defined as the exposure devices lock is fully engaged with the key removed Store the key in a secured location 2 1 2 2 OPERATING INSTRUCTIONS It is essential that the 5 STEPS set out below are followed in the correct order to ensure safe operation and compliance with regulations STEP 1 Exposure device survey STEP 2 Connecting the source guide tube s STEP 3 Connecting the remote control cable STEP 4 Projecting and retracting the source assembly STEP 5 Dismantling equipment Exposure device survey Check the operation of the survey meter by measuring the radiation level at the surface of the exposure device The radiation level measurement should not exceed 200mR
43. ce contained within the exposure device 3 Inspect the exposure device s locking mechanism to ensure the protective cover is installed over the source assembly connector Inspect the plunger lock to ensure the lock will engage when the plunger is depressed and the key is removed Grasp the entire locking mechanism with one hand and try to move the lock to determine that the screws have not loosened due to vibration Unlock the plunger lock and remove the protective cover Push the protective cover into plunger lock housing for storage during use of the device 4 Inspect the outlet port for damage and for smooth operation by operating the outlet port cover Daily inspection of the source guide tube s 1 Remove the protective covers from the swaged fittings on the source guide tubes Inspect both swage fittings to ensure the threads are not stripped or clogged with dirt grease or sludge Inspect the ears on the bayonet fitting to ensure they are not bent broken or excessively wom DAILY INSPECTION INSTRUCTIONS 2 Inspect each length of source guide tube that will be used for cuts inward dents and heat damage The inspection is primarily a visual one but it should include the radiographer using his hands to feel for the inward dents This is necessary due to the fact the outer material of the source guide tube is a flexible waterproof material that can mask dents During a visual only inspection a dent in the source guide tube may retain a circ
44. cord on the Receiving Report the date source model number source serial number radionuclide activity the individuals name making the record transport package model number mass or activity of the depleted uranium and the package serial number LOCFR34 63 5 Assure that the package is locked or place the package into an outer locked container Secure the package in accordance with your license requirements 10CFR34 35 10CFR34 23 6 Keep a copy of the Operating Manual for the package on file to assure you have the proper opening and handling instructions Assure that the instructions are followed and any noted special precautions are performed 10CFR20 1906 9 Note For licensees transporting special form sources in licensee owned or operated vehicles to and from a work site are exempt from the contamination monitoring requirements The radiation survey required upon receipt must still be performed 10CFR20 1906 f Part C Shipment of radioactive material 1 Prior to shipment of a Type B package within the USA assure that you are a registered user of the radioactive material package you wish to ship Also assure that you have appropriate quality assurance procedures for Type B packages 10CFR71 12 10CFR34 31 b 2 Pre shipment training requirements Prior to shipping hazardous materials personnel must be trained in accordance with 49CFR172 Subpart H and be retrained every three years Training shall include e General awa
45. cquerels or other appropriate multiples of Becquerels on the DOT label and the shipping papers NOTE Number of Ci x 37 number of GigaBecquerels Category of label applied i e Radioactive Yellow Il Transport Index USNRC identification number or DOT specification number i e USA 9296 B U XX for XX enter either 85 or 96 according to the package certification or DOT 7A i For export shipments the IAEA identification number i e USA 9296 B U XX for XX enter either 85 or 96 according to the package certification For Canadian shipments include the Canadian Endorsement Number CDN E199 XX for XX enter either 85 or 96 according to the package certification number for the package oan JQ 5 5 5 6 SAMPLE TRANSPORTATION INSTRUCTIONS j k Shippers certification This is to certify that the above named materials are properly dassified described packaged marked and labeled and are in proper condition for transport according to the applicable regulations of the Department of Transportation 49CFR172 204 a For air shipments the following shipper s certification may be used I hereby certify that the contents of this consignment are fully and accurately described by proper shipping name and are classified packed marked and labeled and are in proper condition for carriage by air according to applicable national governmental regulations For air shipments within the USA the foll
46. cranks Control cable A cable or other mechanical means used to project and retract the source assembly out from and into the radiographic exposure device by means of remote control The control cable includes the means of attachment to the source holder Also known as remote control cable drive cable Teleflex Control cable sheath Rigid or flexible tube for guiding the control cable from the remote to the radiographic exposure device and providing physical protection to the control cable The control cable sheath includes the necessary connections for attachment to the radiographic exposure device and to the remote control Also known as control cable housing conduit 6 1 6 2 DEFINITIONS AND TERMS Exposure device container Radiographic exposure devices are used to remotely project the radiation source to a predetermined exposure position when required and to securely maintain it and shield it when it is not in use Current equipment requirements require devices be designed and tested to ISO ANSI standards and pertinent transportation regulations for transport containers Also known as projector gamma ray projector G R P camera pill box source box exposure container Exposure head Device which locates the sealed source included in the source assembly in the selected working position and prevents the source assembly from projecting out of the projection sheath Also known as source stop end stop snout ho
47. ctors during the daily inspection OPERATING INSTRUCTIONS Connecting the remote control cable Close the jaws of the control cable connector over the joined connectors Slide the remote control connector assembly collar over the connector jaws NOTE The control cable connector when properly installed with the selector ring in the CONNECT position displaces anti rotation lugs which allows the selector ring to be rotated to the LOCK position and when required through to the OPERATE position Push and hold the remote control connector assembly collar flush against the exposure device s locking mechanism and rotate the selector ring from CONNECT to LOCK The selector ring can be secured in this position by engaging the plunger lock Do not rotate past LOCK The remote contro cable connector is now secured into the exposure device s locking mechanism Keep the exposure device in the LOCK position until ready to start the exposure Checks before exposure of the source Verify that the source guide tubes are attached to the outlet port Verify that the remote control connector assembly is correctly connected to the exposure device s locking mechanism Ensure that no personnel are inside the Restricted Area or exposure room Ensure that the proper signs are posted and required warnings are in operation NOTE If the remote control is fitted with an additional lock release this lock and apply a forward motion to the c
48. de of the United States to comply with all local national and international regulatory licensing and transportation rules and regulations as they apply in their respective countries Warranty and limitation of liability QSA Global Inc herein referred to as the manufacturer warrants its product which it manufactures and sells to be free from defects in material and workmanship for a period of one year from the date of shipment This warranty shall not apply to any product or parts which have been subjected to misuse improper installation repair alteration neglect accident abnormal conditions of operation or use in any manner contrary to instructions The manufacturer s liability under such warranty shall be limited to replacing or repairing at its option any parts found to be defective in such respects which are returned to the manufacturer transportation prepaid or at its option to returning the purchase price thereof The warranty on other manufacturer s components shall be that of the original manufacturer whose warranty shall be binding In no event shall the manufacturer be liable for any incidental or consequential damages whether or not such damages are alleged to have resulted from the use of such product in accordance with instructions given by or referred to by the manufacturer QSA Global Inc assumes no liability or responsibility for the usage of any radioactive material or device generating penetrating radia
49. e assembly becomes disconnected or when the source assembly becomes jammed in the projection sheath while in an exposed position The important safety points for radiographers to follow are e Always perform a confirmatory survey after each exposure e If higher than expected radiation levels are measured recognize that an emergency exists Stop and Think e Follow emergency procedures Do not attempt to retrieve the sealed source Secure the area and notify the Radiation Safety Officer The radiography crew is limited to the following basic steps and must be adhered to under regulation 1 Immediately leave the area and maintain continuous surveillance of high radiation area 2 Adjust the restricted area boundary to ensure the measured dose rate is 2mhR hr Do not allow anyone into the area 3 Immediately notify the Radiation Safety Officer 4 Do not leave the area unattended under any circumstances Maintain security of the area until the Radiation Safety Officer arrives at the site Do not under any circumstances attempt to retrieve the source Performing source retrieval is a licensed activity that allows only specially trained RSOs to respond to an emergency This regulatory requirement is the result of overexposures to radiographers attempting to handle emergency retrievals by themselves WARNING An unshielded source must not be picked up or handled at close range under any circumstances An unshielded source at close
50. e at the surface and at 1m from the surface Assure that the surface radiation level does not exceed 0 5mRemyhr 5uSv hr and there is no measurable radiation level at 1m from the surface Assure that any labels which had been previously applied are removed obliterated or covered Affix an EMPTY label to the package 49CFR173 29 e 49CFR173 428 5 Markthe outside of the package with the statement Exempt from specification packaging shipping paper and certification marking and labeling and exempt from the requirements of 49CFR Parts 171 178 except requirements within those parts relating to the reporting of incidents and decontamination the training requirements of Subpart H of Part 172 and the shipping paper requirements of Subpart C of Part 172 This exemption is Authorized per 49CFR173 428 Additionally a notice must be enclosed in or on the package included with the packaging list or otherwise forwarded with the package The notice must indude the name of the consignor or consignee and the statement This package conforms to the conditions and limitations specified in 49CFR173 428 for Excepted Radioactive Material Empty Packages UN2908 49CFR173 422 49CFR173 428 6 Properly complete the shipping papers including a For all shipments the following statements Exempt From Specification Packaging Shipping Paper and Certification Marking and Labeling and Exempt from the Requirements of 49CFR Parts 171 178 Except Requirements within tho
51. e does not exceed 0 00001 microcurie per cm 49CFR173 443 4 Survey the package at the surface and at 1m from the surface to determine the proper shipping labels to be applied to the package NOTE If the surface radiation level does not exceed 0 5mRemyhr 5uSv hr and there is no measurable radiation level at 1m from the surface continue with the instructions in section 5 and skip section 6 If either of these levels are exceeded skip section 5 and continue with the instructions in section 6 5 If the surface radiation level does not exceed 0 5mRemyhr 5uSv hr and there is no measurable radiation level at 1m from the surface no label is required a Markthe outside of the package with the proper shipping name and identification number Radioactive Material Excepted Package Articles Manufactured from Depleted Uranium UN2909 and the statement Exempt from specification packaging shipping paper and certification marking and labeling and exempt from the requirements of 49CFR Parts 171 178 except requirements within those parts relating to the reporting of Incidents and decontamination the training requirements of Subpart H of Part 172 and the shipping paper requirement of Subpart C of Part 172 This exemption is Authorized per 49CFR173 426 Additionally a notice must be endosed in or on the package included with the packing list or otherwise forwarded with the package The notice must include the name of the consignor or consignee
52. e inspection if required Micrometer for measurement of control cable diameter Materials required for complete maintenance of Models 692 693 664 remote controls e Clean solvent fresh mineral spirits recommended for cleaning and degreasing remote control mechanism control cable and cleaning the control conduits internally Follow manufacturers safety precautions for use handling storage and disposal e Large pan for cleaning and degreasing the control crank assembly and control cable e Clean lint free rags and detergent to clean the exterior of the control conduits e Mil Spec grease MIL G 23827B or C MIL PRF 23827C or equivalent radiation resistant grease for lubricating the control cable and control crank mechanism e Stainless steel brass or synthetic bristle brush to clean control crank parts and the control cable e Compressed air source and hand nozzle to blow dry the control cable internal Teflon liner of the remote control conduits after cleaning e 3M yellow polyvinyl tape or black polyvinyl electrical tape for repair of cuts in remote control conduits e Safety glasses Remote control maintenance requirements 1 Disconnect the remote control unit from the exposure device 2 Straighten out the remote control housings on a work surface then remove the control cable from the remote control conduits 661 safety connector side until it stops a stop spring on the end of the control cable Rubber gloves are recomme
53. e listed in this section NOTICE This industrial radiography system is used as an exposure device and a Type B U shipping container for QSA Global Inc source assemblies The purpose of this manual is to provide information which will assist qualified radiographers in using the Model 880 Delta Sigma and Elite gamma radiography system The user must be thoroughly familiar with this instruction manual before attempting operation and use of this equipment In order to use this equipment or perform source changes users within the USA must be specifically licensed to do so Applications for a license should be filed with the Materials Licensing Section of the appropriate U S Nuclear Regulatory Commission regional office or with the appropriate Agreement State office All users within Canada must have a Canadian Nuclear Safety Commission license 1 5 1 6 TECHNICAL SPECIFICATIONS Prior to the initial use of the exposure device as a shipping container the user must register with the Transportation Certification Branch Office of Nuclear Safety and Security U S Nuclear Regulatory Commission The user should have in his possession a copy of the Certificate of Compliance issued for the exposure device which may be obtained from Sentinel QSA Global Inc customer service centers upon request This also applies to users from Agreement States and other regulatory jurisdictions It is the responsibility of users of this equipment outsi
54. e odometers reset knob to the shaft by tightening the two Allen head Screws leaving clearance between the knob and the cover After assembly perform a check to ensure the control crank will turn freely Set the brake lever to the ON position and attempt to turn the handle using moderate pressure Do not apply excessive force Run a section of the control cable through the control crank to ensure the control crank operates easily without snags or resistance If applicable make sure the odometer tums when the crank handle is turned If the odometer does not function during this test check for improper assembly or damaged parts 11 Clean the 661 safety connector assembly using a brush and solvent Ensure the movable jaws of the safety connector are not excessively loose or worn where they swivel in the clevis pins Examine the connector collar for bent or loose connecting pins and excessive wear on the inner mating surface Examine the face of the connector body where the control cable protrudes and verify that long term usage has not chamfered the area Re assembly of the remote control unit Reattach the remote control conduits to the safety connector assembly Attach the EXPOSE sheath to the EXPOSE side of the control crank assembly Lay the remote control conduits out in a straight line or a wide loop Feed the end of the control cable into the conduit as far as it will go As the control cable is being fed into the remote control conduits
55. e of a source holder the source assembly is the control cable with the sealed source attached In cases where the sealed source is not attached to the control cable nor included within the source holder the sealed source is the source assembly In the case where a simulated source is attached to or included with a source holder or control cable this becomes a simulated source assembly Flexible type source assemblies are also known as pigtails The source assembly is most commonly referred to as the source Rigid or chain link type source assemblies are also known as source rods source pencils source trains source chains Source holder A holder or attachment device by means of which a sealed source or simulated source can be e directly included in the radiographic exposure device category apparatus an exposure device in which the source assembly is not removed for exposure e fitted at the end of the control cable category II apparatus an exposure device from which the source assembly is projected out through a projection sheath to the exposure head for exposure The exposure is remotely operated Source holders may be an integral part of the source assembly or may be capable of being dismantled for sealed source replacement Source changers A lockable Type A or Type B transport container used to transport new sealed source assemblies exchange them and return depleted sealed source assemblies to the ma
56. e using the criteria of table 1 A49CFR172 403 NOTE If shipping a Type B container inside an overpack or convenience box in the back of a vehicle survey and label both the inner Type B package and the overpack Placarding the vehicle is dependent on the category of label applied to the overpack if used 49CFR173 448 e e e e v Table 1 Maximum radiation Maximum radiation level at surface level at 1m Radioactive 0 5mRem hr None White I 0 005mSy hr Radioactive 50mRem hr 1 0mRem hr Yellow II 0 5mSv hr 0 01mSv hr Radioactive 200mRemy hr 10mRemyhr Yellow III 2mSv hr 0 1mSv hr For a package both the transport index TI and the surface radiation level conditions shall be taken into account in determining which is the appropriate category of radioactive material label Where the TI satisfies the condition for one category but the surface radiation level satisfies the condition for a different category the package shall be assigned to the higher category of the two For this purpose category White I shall be regarded as the lowest category The TI is the maximum radiation level measured in mRem hr at a distance of 1m from the external surfaces of the package When recording the TI the dose rate units of mRem hr are not listed for example a reading of 2mRem hr 20 5 would indicate a TI 2 0 Note that the TI is rounded to the nearest tenth value SAMPLE TRANSPORTATION INSTRUCTIONS 8 Properly comp
57. easures greater 0 1mR hr 1uSv hr contact QSA Global Inc for instructions If there is no measurable increase above background the sample may be sent to a laboratory for radio assay The laboratory will send a leak test certificate after performing the radio assay Retain this certificate in your records In the event you are informed by the radio assay laboratory that your leak test results indicate greater than 0 005uCi gt 185Bq you must immediately remove from service the radioactive sealed source the exposure device and all remote controls source guide tubes collimators lab stands etc that were used in conjunction with that sealed source You must cause the equipment to be repaired or decontaminated and notify the regulatory agency USA within 5 days Contact the sealed source manufacturer for assistance Leak test for depleted Uranium DU Some regulatory jurisdictions require periodic leak tests every twelve months of all projection type exposure devices that utilize DU for shielding The purpose of the leak test is to detect the long term wear through of the devices source tube that may consequently expose the DU shielding A wipe test wand that is both flexible and long enough to reach a bend radius or a wear point is required to perform a leak test The wand enables direct contact with the DU where the device s source tube has worn through A direct wipe of the DU is required due to the low specific activity of depleted uranium
58. ent with it s design and intended application e promptly notifying the manufacturer in the event a Safety Class A item or component which contains a defect or deviates from the original design specifications This action will initiate a formal evaluation of the defect or deviation MAINTENANCE INSTRUCTIONS REAR PLATE ASSEMBLY REAR PLATE ASSEMBLY ITEM PARTNUMBER QTY DESCRIPTION ITEM PARTNUMBER QTY DESCRIPTION 1 88014 1 LOCK COVER ASSEM BLY 11 SCR003 4 SOCKET HEAD CAP SCREW 2 85701 5 1 SELECTOR RING RETAINER 12 SCRO72 2 SOCKET HEAD CAP SCREW 3 88026 1 SELECTOR RING 13 51 005 4 RUBBER SLEEVE 4 SPROO5 1 COM PRESSION SPRING 14 88022 1 LOCK MOUNT 5 88025 1 SLEEVE 15 66001 11 1 LOCK ASSEMBLY 6 88024 1 LOCK SLIDE 16 2 LOCK PIN supplied with 66001 11 7 SPROO6 1 COMPRESSION SPRING 17 2 LOCK SPRING supplied with 66001 11 8 66001 6 2 ANTI ROTATE LUGS 18 SCRO23 1 SOCKET HEAD CAP SCREW 9 SPROO4 2 COMPRESSION SPRING 19 66001 811 2 KEY 10 88021 1 REAR PLATE 20 66001 20 1 DUMMY CONNECTOR MAINTENANCE INSTRUCTIONS FRONT PLATE ASSEMBLY FRONT PLATE ASSEMBLY ITEM PARTNUMBER QTY DESCRIPTION 8 PINO24 1 ROLL PIN 9 SCR160 2 SOCKET HEAD CAP SCREW 10 88039 1 PIVOT DISK 11 88034 1 PORT SHIELD ROLL PIN TYPE e 88034A 1 PORT SHIELD SET SCREW TYPE 12 PINO38 1 ROLL PIN e SCR157 1
59. er to perform or supervise an adequate confirmatory survey It is very important and required by national regulations to prevent access by unauthorized persons to radiographic equipment and to the area where radiography is performed Take advantage of the three basic radiation protection methods to minimize radiation exposure TIME Spend less time near the radiation source DISTANCE Increase your distance in a direction away from the radiation source SHIELDING The use of effective shielding between you and the radiation source Do not perform any unauthorized modifications to the radiographic exposure device or components of the radiography system It is important that trained and qualified radiographers perform or supervise a daily safety inspection of the radiography system for obvious defects prior to operation of the system Do not use any components that are not approved for use with the radiography system or after market components that may compromise the safety designed into the system CONTENTS TECHNICAL SPECIFICATIONS 1 1 1 6 OPERATING INSTRUCTIONS 2 1 2 11 DAILY INSPECTION INSTRUCTIONS 31 3 9 MAINTENANCE INSTRUCTIONS 4 1 4 16 SAMPLE TRANSPORTATION INSTRUCTIONS 5 1 5 12 DEFINITIONS AND TERMS 6 1 6 3 EMERGENCIES AND PERSONNEL SAFETY 71 72 INSTRUCTIONS FOR DISPOSAL 8 1 FRONT VIEW Outlet port Guide tube connector With jacket Without jacket 880 Sigma 130 4 81TBq
60. erous Goods In addition to the information listed in 5b the following information needs to be specified i Air waybill number Enter the number of the air waybill to which the declaration form will be attached This may be amended by the carrier ii Airport of departure Enter the full name of the airport of city of departure which may be amended by the carrier iii Airport of destination Enter the full name of the airport or city of destination which may be amended by the carrier 6 If the surface radiation level exceeds 0 5mRem hr 5uSv hr or if there is a measurable radiation level at 1m from the surface use the criteria of table 1 to determine the proper shipping labels to be applied to the package Table 1 Maximum radiation Maximum radiation level at surface level at 1m Radioactive 0 5mRem hr None White I 0 005mSv hr Radioactive 50mRem hr 1 0mRemyhr Yellow 1 0 5mSv hr 0 01mSv hr Radioactive 200mRemy hr 10mRemyhr Yellow III 2mSv hr 0 1mSv hr For a package both the transport index TI and the surface radiation level conditions shall be taken into account in determining which is the appropriate category of radioactive material label Where the TI satisfies the condition for one category but the surface radiation level satisfies the condition for a different category the package shall be assigned to the higher category of the two For this purpose category White I shall be regarded as the lowest
61. evice and associated equipment that are critical for safe radiological operation are classified as Class A items or components Class A items can be structures components and systems whose failure or function could directly result in a condition adversely affecting public health and safety This would include extreme conditions such as the loss of primary containment with a subsequent release of radioactive material and or a loss of shielding creating a substantial safety hazard Replacement parts that are sent to you with a safety Class A designation are clearly marked with lot numbers and contain instructions to maintain traceability Considerations of Safety Class A items Users of the Model 880 Delta Sigma and Elite exposure device and associated equipment must recognize their responsibilities of maintaining the integrity of the Type B U package and the control of Safety Class A items and components by e maintaining traceability of Class A replacement items or components to a specific exposure device or an associated component use of manufacturer specified items to maintain the integrity of the exposure device transport package according to the certifications Do not use generic grade items or components that do not meet original design specifications performance of periodic inspections to verify the Class A items are not excessively worn from long term use or have been damaged from accidents e use and handling of the system consist
62. g incidents by performing or directly supervising a simple but thorough daily inspection of the radiography system The implications that affect safety and the importance of the daily inspection must be emphasized and understood by the entire radiography staff Daily inspection of the exposure device 1 Survey the surface of the exposure device to ensure the radiation level is less than 200mP hr 2mSv hr even when containing a source assembly with the maximum allowable activity This survey provides a function check of the survey instrument that it is responding to radiation in addition to providing the radiographer with a reference measurement that can be compared to confirmatory surveys after terminating each radiographic exposure 2 Inspect the labels on the exposure device to ensure they are legible and securely attached to the exposure device The warning label containing the trefoil should be legible from a distance of at least 3ft approximately 1m This label warns the individuals in the immediate vicinity of the presence of radioactive materials and permits them to take measures to minimize their exposure to radiation The printed verbiage and the radiation symbol must be legible The trefoil symbol becomes the warning for those individuals who cannot read or understand the written warning Caution or Danger Radioactive Material Inspect the legibility and attachment of the source identification tag that describes the radioactive sour
63. gged with a status indicator to prevent inadvertent use 3 Radiographic exposure device Clean and inspect the exposure device for wear and obvious damage Record any defects that might affect safe operation of the exposure device If deficiencies are found during this 4 1 4 2 MAINTENANCE INSTRUCTIONS maintenance the exposure device must be withdrawn from service until repairs are accomplished and the results of subsequent operational tests and inspection are satisfactory Inspect the radiography system for the following using a satisfactory or deficient criteria 1 Survey the surface of the exposure device to ensure the measurable dose rate is less than 200mhR hr 2mSv hr Remove the device from service if the dose rate exceeds this limit Contact QSA Global Inc for guidance 2 Ensure the metal identification tag for the radioisotope is legible and securely fastened to the exposure device Do not cover the tag with any other labels 3 Ensure the label containing the device model number serial number Type B certification number and the trefoil with the warning Caution or Danger Radioactive Material is legible from a distance of 3ft approximately 1m and securely fastened to the exposure device Do not cover the required wamings with any other labels Ensure the labels applied for transportation are legible 4 Checkthe welded stainless steel end plates of the exposure device for weld failure cracks etc beh
64. h may be amended by the carrier e Shipment type Specify the shipment type as Radioactive 9 h Under nature and quantity of dangerous goods specify the number of packages of same type and content their type of package and activity in Becquerels or multiples thereof units used must be clearly indicated in each package including packages in overpacks If relevant Indication of use of overpack and dimensions of the overpack including dimensional units When an overpack is used the wording overpack used must be inserted on the declaration form immediately after all the relevant entries relating to the packages within the overpack In such cases packages within overpacks must be listed first Dimension units must be in multiples of meters The 24 hour emergency number required by Step 15k of this part must appear in the Additional Handling Information section of the Declaration for Dangerous Goods For shipment of special form radioactive material the USDOT Special Form Certificate of Competent Authority for the radioactive source must be included e g USA 0335 S The information on the Declaration for Dangerous Goods must be entered strictly in accordance with the order specified in the latest edition of the International Air Transport Association Dangerous Goods Regulations Questions regarding completion of a Shipper s Declaration for Dangerous Goods should be directed to the Radiation Safety Officer SAMPL
65. he control cable in the area where it is crimped Using your hands attempt to twist or rotate the male connector off the control cable If any movement is possible during this test the control cable must be removed from service and the male connector must be replaced Carefully inspect the control cable directly behind the remote control cable connector and approximately 12in 305mm beyond the male connector looking for the following anomalies Cuts breaks nicks or fraying in the spiral windings of the cable e Kinks or permanent bends e Rust red oxide on the inner and outer core of the cable e Uniformity of the spacing between the outer helical windings of the cable Check for flattened areas and excessive wear that reduces the cable s outer diameter less than 0 183in 4 7mm e Perform a flexibility spring test of the cable by bending the connector end of the cable into a U shape and then releasing it A cable that is bent released and does not spring back into an essentially straight shape is indicative of internal corrosion of the cable The cable must be removed from service e Carefully examine the cable in the area of the control crank assembly looking for cuts breaks fraying rust unusual stiffness and uniformity of the spacing between the outer spiral windings e Examine the entire length of cable looking for defects described above If a control cable is deemed as defective during this inspection remove it from
66. he radiographic exposure device The remote control includes the control crank mechanism normally a hand crank and where applicable also the control cable the control cable sheath and the necessary connections and attachments See additional description under control crank Reserve sheath Remote control sheath containing the length of control cable necessary for the projection of the source assembly Sealed source Radioactive source sealed in a capsule or having a bonded cover the capsule or cover being strong enough to prevent contact with and dispersion of the radioactive material under the conditions of use and wear for which it was designed Commonly referred to as the source or the pill DEFINITIONS AND TERMS Secured position shielded position Condition of the radiographic exposure device and source assembly when the sealed source is fully shielded and restricted to this position within the radiographic exposure device Note When in the secured position during radiographic operations the radiographic exposure device may be unlocked Simulated source A sealed source whose structure is such as that of the sealed radioactive source but not containing any radioactive material Also known as mock source dummy source phantom source dummy pill Source assembly A source holder with a sealed source attached or included In cases where the sealed source is directly attached to the control cable without the us
67. he road do not leave the vehicle unguarded when going for help A message for help may be sent by a passing motorist or the police may be enlisted to guard the vehicle 8 Should any kind of accident occur make an immediate radiation survey to determine if any radiation levels are unusually high If unusual radiation levels exist establish the boundary of the restricted area Keep all persons out of this area and get police assistance if possible Notify the Radiation Safety Officer as soon as possible but do not leave the scene without assuring that the police or some other responsible party will keep people out of the area 9 Collect information pertinent to the accident such as names of witnesses names of people involved names of police license numbers and circumstances of the accident Call the Radiation Safety Officer promptly and give him as much information as possible 10 If source should escape from the packaging the vehicle operator should make no attempt to restore the source by himself He should wait for assistance from the Radiation Safety Officer 11 If the vehide is going to be used for storage of radioactive material at a temporary job site a The vehide s storage access entrance must be posted with Caution Radioactive Material signs b The vehide must be secured locked so that there is no unauthorized access c Radiation levels must be below 2mhR hr outside the vehicle to meet unrestricted area requirements
68. he width of the gauge must NOT GO into the female slot of the source assembly connector After a positive connection between the control cable and source assembly connectors has been accomplished verify that the larger notch located on the side of the gauge will NOT GO in the gap between the joined connectors Replace any components that fail any of the NO GO gauge tests because a failure indicates significant wear that could allow safety features of the design to be defeated IMPORTANT REMINDER Do not compromise on safety Always perform a daily inspection of the exposure device projection sheaths and remote controls prior to use Defective equipment that is discovered during the daily inspection must be removed from service until repaired or replaced v UJ A Ball diameter 1 Ball shank Connector gap width 3 Female slot width 3 9 MAINTENANCE INSTRUCTIONS QCP386 issue 2 Quarterly routine and annual complete maintenance requirements Radiographic exposure devices and associated equipment must be maintained regularly by trained and qualified personnel to ensure consistent and safe operation of the radiographic system The routine inspection and maintenance also ensures the integrity of the Type B U transport packages are maintained in compliance with the Type B U package Certification Number USA 9296 B U XX for XX e
69. iate personnel are notified 3b Survey the exterior surfaces of the package at the time of receipt and assure that the maximum radiation level does not exceed 200mRem hr 2mSv hr Survey at 1m from the exterior surfaces of the packages and assure that the maximum radiation level does not exceed 10mRemyhr 0 1mSv hr If either of these limits are exceeded notify the Radiation Safety Officer immediately Record the maximum radiation levels measured at the package surface and at 1m from the package surface on the Receiving Report 10CFR20 1906 d 10CFR71 47 SAMPLE TRANSPORTATION INSTRUCTIONS 3c If the source is not Special Form you must make a contamination wipe test of the exterior surface of the package Wipe a representative surface of the package covering an area of approximately 300cm using a cloth patch and moderate pressure Measure the activity on the patch using the contamination monitor and assure that the activity does not exceed 0 001microcurie 37Bq 100cnr If this limit is exceeded notify the Radiation Safety Officer immediately Record the results of this contamination wipe test on the Receiving Report 10CFR20 1906 d NOTE If any of these limits are exceeded the Radiation Safety Officer must immediately notify the USNRC or applicable agreement state agency and the final delivering carrier 4 Inspect the package for any evidence of physical damage Record the results of this inspection on the Receiving Report Also re
70. il a misconnect test the equipment must be removed from radiographic operations The equipment must not be used until repairs are performed and misconnect test results are satisfactory During the performance of the misconnect test there is a risk of losing control of the radioactive source assembly if e the components are excessively wom or damaged e the person performing the test intentionally or inadvertently rotates the selector ring from the CONNECT position to the OPERATE position e the person performing the test intentionally or inadvertently pushes the lock slide into the EXPOSURE mode Contact an QSA Global service center if you have questions regarding the misconnect test Annual maintenance records Records of all equipment inspected and maintained during the annual maintenance must be recorded Records should indicate e the date of the inspection and maintenance name of the qualified individual performing the required inspections problems found and maintenance or repairs performed model number and serial number of the exposure device associated equipment that was inspected and maintained part numbers and associated lot numbers or serial numbers of replacement parts installed 4 15 4 16 MAINTENANCE INSTRUCTIONS Model 880 Delta Model 880 Sigma and Model 880 Elite safety class A components Safety Class A designation items Items that comprise the Model 880 Delta Sigma or Elite radiographic exposure d
71. ind the back plate locking mechanism or the front plate outlet port Ensure the handle the bottom contact surfaces and the sides comprising the plastic jacket of the exposure device are intact Check the bottom contact surfaces of the jacket to ensure the contact area is not excessively worn allowing contact of the stainless steel body with the work surface If any deficiencies are found during this inspection repairs can be accomplished at an QSA Global service center 5 Checkthe outlet port for proper function by attaching and removing a source guide tube The operation should be smooth and resistance free If there is any resistance or crunchy feeling noticed during attachment or removal of the source guide tube or during movement of the outlet port cover this indicates excessive amounts of sand or dirt within the mechanism The outlet port mechanism must be removed cleaned and lubricated according to the complete service instructions 6 Checkthe locking mechanism and plunger lock to verify attachment and operation Grasp the entire mechanism with one hand and attempt to shift the mechanism Retaining screws that have been loosened from excessive vibration or improper maintenance will allow the movement of the locking mechanism during this check Loose screws must be tightened according to the annual maintenance requirements prior to use or transport 7 Usethe Model 550 NO GO gauge to check for wear on the remote control cable connec
72. ing package is inside a crate or other outer packaging mark the outside package Inside package complies with prescribed specifications and list the appropriate DOT specification number or USNRC Type B U number and the words Type or Type B as appropriate in letters a minimum of Yin 13mm high 49CFR172 310 49CFR173 471 49CFR173 25 NOTE If shipping a Type A quantity of an isotope in a Type B package that is not approved for that isotope i e Co 60 in the model 660 device you must cover the Type B labels with the appropriate Type A information 13 Assure that the levels of removable radioactive contamination on the outside surface of the outer package do not exceed 0 00001 microcurie per cr 49CFR173 443 14 If the package gross weight exceeds 1101 mark the outside of the package with the permissible gross weight IATA10 7 1 3 1 15 Properly complete the shipping papers indicating a Proper shipping name United Nations Class Number 7 and identification number i e Radioactive Material Type B U Package Class 7 UN2916 or Radioactive Material Type A Package Special Form Class 7 UN3332 b The letters RQ must appear next to the proper shipping name when shipping more than 10Ci 370GBq of Ir 192 Se 75 Co 60 Yb 169 or 37GBq of Cs 137 Name of the radionuclide i e Iridium 192 Selenium 75 Cobalt 60 Cesium 137 Physical or chemical form i e Special Form Activity of the source in Be
73. le and not defaced Assure the other information on label is legible the warnings and trefoil the model number and serial number and the Type B certification number e Visually assure all welded areas are not cracked If there is any evidence of cracked welds contact QSA Global Inc prior to shipment e Assure all the conditions of the Certificate of Compliance are met and the transport package has all the required markings e Wipe test the transport package over an area of 300cm and assure the level of removable contamination is less than 0 00001 per cm Part B Receipt of radioactive material NOTE 1 radioactive material package must be accepted from the carrier at the time it is delivered 10CFR20 1906 a 1 2 If a radioactive material package is to be held at the carrier s terminal for pickup arrangements must be made to receive notification from the carrier of the arrival of the package at the time of arrival The package must be picked up expeditiously upon receipt of notification within three hours if practicable LOCFR20 1906 c Reg Guide 7 3 5 3 Monitoring as described in steps 2 3 must be performed as soon as practicable but at least within three hours if received during normal working hours or within three hours of the next work day if received after normal working hours 10CFR20 1906 3a Upon receipt of a package of radioactive material the package shall be placed in a restricted area Assure appropr
74. length than the remote controls to ensure the source assembly will project into the working position e g When using 25ft 7 6m remote controls a maximum of three 7ft 2 1m source guide tubes can be used with a combined length of 21ft 6 4m Conversely when using 35ft 10 7m remote controls a maximum of four 7ft 2 1m source guide tubes can be utilized When using 50ft 15m remote controls a maximum of six 7ft 2 1m source guide tubes can be utilized This limitation is due to the weight and friction of remote control cable length 1 3 1 4 TECHNICAL SPECIFICATIONS Control specifications Complete remote control assemblies Product code Model number Control cable length Unit weight TAN66425 664 25 25ft 7 6m 2110 10kg TAN66435 664 35 35ft 10 7m 2410 11kg TAN66450 664 50 50ft 15 2m 2710 12kg TAN69325 693 25 25ft 7 6m 2110 10kg TAN69335 693 35 35ft 10 7m 2410 11kg TAN69350 693 50 50ft 15 2m 2710 27kg TAN69225 692 25 25ft 7 6m 2110 10kg TAN69235 692 35 35ft 10 7m 2410 11kg TAN69250 692 50 50ft 15 2m 2710 12kg 88325 883 25 25ft 7 6m 88335 883 35 35ft 10 7m 88350 883 50 50ft 15 2m Model 664 control storage reel unit size Length Width Height 21in 633mm 12in 305mm 6 6in 168mm Source guide tube with source stop Product code Model number Length TAN48906 48906 X 48931 7 48931 X 48906 48906 X 48931 7 48931 X Tft 2 1m m
75. les of meters 5 9 5 10 SAMPLE TRANSPORTATION INSTRUCTIONS viii The 24 hour emergency number required by Step 6bx of this part must appear in the Additional Handling Information section of the Declaration for Dangerous Goods The information on the Declaration for Dangerous Goods must be entered strictly in accordance with the order specified in the latest edition of the International Air Transport Association Dangerous Goods Regulations Questions regarding completion of a Shipper s Declaration for Dangerous Goods should be directed to the Radiation Safety Officer 49CFR172 402 b 49CFR172 204 c Part E Shipment of empty packages which previously contained radioactive material 1 Assure that the package does not contain a radioactive source 2 If the shipping package is to be placed inside a crate or other outer packaging the outer packaging must be strong enough to withstand the normal conditions of transport and must not reduce the safety of the package The shipping package must be placed within the outer package with sufficient blocking to prevent shifting during transportation 49CFR173 25 3 Assure that the levels of removable radioactive contamination on the outside surface of the outer package do not exceed 0 001 microcurie per 100cnv Assure that the levels of radioactive contamination on the inside of the package does not exceed 0 1 microcurie per 100 49CFR173 428 49CFR173 443 4 Survey the packag
76. lete two shipping labels indicating the contents Iridium 192 Cobalt 60 etc the activity of the source in Becquerels or multiples of Becquerels e g GigaBecquerels GBq and the transport index The transport index is used only on Yellow Il and Yellow 11 labels and is defined as the maximum radiation level in mRemy hr at 1m from the package surface see Table 1 49CFR172 403 g 9 Assure that any old shipping labels have been removed from the package Apply two properly completed labels to two opposite sides of the package exduding the bottom surface A49CFR172 403 f 10 For air shipments within the USA the package must be labeled with Cargo aircraft only labels Ensure that these labels do not cover any other package markings or labels 11 Mark the outside of the package with the proper shipping name and identification number Radioactive Material Type B U Package UN2916 or Radioactive Material Type A Package Special Form UN3332 if not already marked Place the letters RQ stands for Reportable Quantity next to the proper shipping name when shipping more than 10Ci 370GBaq of Ir 192 Se 75 Co 60 Yb 169 or 37GBq of Cs 137 49CFR172 300 NOTE Fffective January 1 2004 shipments by Air will require the addition of Air Eligibility markings adjacent to the proper shipping name The marking must include the symbol of an aircraft within a circle and may include the words Air Eligible 12 If the shipp
77. mber 30 drill bit and pop rivet gun for removal and installation of s s rivets Tamperproof tool bit for back plate and front plate 5 18 screws Calibrated torque wrench in Ib for locking mechanisms socket head screws Small slot screwdriver for source identification tag 6 32 screws U tool part no SK1761 for functional checks of locking mechanism Model A424 9 XL mock source assembly and short length control cable for operational tests after servicing Materials required for Model 880 complete maintenance Mil Spec grease MIL G 23827B or C MIL PRF 23827C or equivalent radiation resistant grease Temporary Locktite or Vibratite thread sealant Recommended solvents for cleaning and degreasing operations clean mineral spirits Follow manufacturers safety precautions for use handling storage and disposal Clean lint free rags 12 gauge gun patches or any lint free cloth for cleaning the S tube Large pan for use in cleaning and degreasing the remote control cable and mechanical parts Stainless steel brass or synthetic bristle brush to be used during degreasing and cleaning of parts Light viscosity oil such as 3 in 1 oil to lubricate plunger lock Model 880 label and 4 x Ysin stainless steel rivets Permantex anti seize thread lubricant Lock mount rubber sleeves 4 x part number SLVO05 Replacement springs for the locking mechanism 1 x compression spring part number SPROO6 1 x compressi
78. nd an operating flashlight Additionally assure that the operator has a calibrated and operable survey meter and assure that all individuals traveling in the vehicle are wearing both a film badge and a direct reading pocket dosimeter 2 Assure that the transport package is properly packaged marked and labeled and assure that the proper shipping papers are completed in accordance with the instructions for shipping radioactive material The shipping papers must be accessible from the drivers seat 3 Placethe transport package in the vehicle Properly brace and secure the package against movement in the vehicle 49CFR177 842 d 4 Survey the driver s compartment to assure that the radiation level does not exceed 2mRemyhr 0 02mSy hr 49CFR177 842 g NOTE This requirement is mandatory only for exclusive use shipments by a common carrier 49CFR173 441 b 4 5 If the vehicle is transporting a package bearing a Radioactive Yellow III label the vehicle must be placarded on all four sides with a Radioactive placard NOTE Operation of a vehicle which is required to be placarded requires compliance with the Federal Motor Carrier Safety Regulations of 49CFR Parts 390 397 and the Driver Training requirements of 49CFR177 827 49CFR177 804 6 Complete the Radioactive Material Transport Checklist see attached example Forward a completed copy to the Radiation Safety Officer upon completion of the carriage 7 If the vehicle becomes disabled on t
79. nd hand nozzle to blow dry the internal conduit of the source guide tubes e 3M yellow polyvinyl tape or black polyvinyl electrical tape for repair of cuts in the source guide tubes Source guide tube maintenance 1 Clean the exterior of all the source guide tubes thoroughly using clean cloths and a detergent Remove all of dirt grease and grime from the yellow polyvinyl source guide tubes and the swage fittings 2 Clean the interior of each source guide tube by pouring 4 5oz 100ml of dean solvent into one end Manipulate the source guide tube back and forth to cause the solvent to wash the interior of the entire length of source guide tube Pour the solvent into a used solvent container Refill the source guide tube with clean solvent and repeat the cleaning operation Repeat this cleaning process until the solvent poured out of the source guide tube into the used solvent container is clean Use a compressed air hose to blow out any residual solvent from the source guide tubes Use of a clean white cloth attached to one end of the source guide tube will trap any debris or residual solvent when blowing out the source guide tubes Repeat the cleaning process until the cloth trap indicates dirt is not present within the source guide tubes 3 Carefully inspect the entire length of each source guide tube for cuts and melted areas Repairs to cut or melted areas can be accomplished by taping the area with 3M yellow polyvinyl tape or black
80. nded for this operation Do not use excessive force during removal of the control cable During removal of the control cable it should be coiled in loops no less than a 12in 305mm diameter and secure 3 Disconnect the remote control conduit fitting from the control crank using the ein open end wrench Remove the stop spring from the end of the control cable and pass the control cable through the crank gear to completely disengage Label the remote control conduits for proper assembly after the servicing 4 Pull the remaining control cable through the 661 safety connector and secure 5 Using the open end wrench remove both remote control conduits from the 661 safety connector and the control crank 6 Thoroughly dean the control cable using a brush in a degreaser bath Use compressed air to blow off residual solvent after the degreasing operation Be sure to follow the solvent manufacturer s safety recommendations MAINTENANCE INSTRUCTIONS 7 Perform the following inspections of the control cable Use the Model 550 NO GO gauge to inspect the control cable connector for wear Closely inspect the connector for bends or cracks in the neck shank area and dented areas on the ball of the connector Remove the control cable from service if any cracks or bends in the shank or dents in the ball of the male connector are found during this inspection The male connector should not be bent at an angle greater than 15 degrees from the axis of t
81. nter either 85 or 96 according to the package certification Manufacturers base the recommended inspection and maintenance requirements on the system s design application materials anticipated work cycles environmental factors of use under the normal and abnormal conditions of industrial radiography and while in the transport system A program of systematic maintenance will prolong the working life of the radiographic exposure device and associated equipment in addition to ensuring safety during use By most national regulations routine maintenance of the systems is required at intervals not to exceed months in addition to the radiographer s daily inspections for obvious defects The complete annual servicing ensures the integrity of the system Maintenance program administrators must recognize the need for maintenance intervals that are less than the required 3 month interval especially in cases where the systems are used in severe environmental conditions Maintenance program administrators must ensure the systems are completely serviced immediately after certain jobs in severe conditions Extreme or severe conditions may include but is not limited to Conditions where the equipment was immersed in water or mud Subjected to high concentrations of particulate such as fly ash or sand Subjected to hot radiography conditions Subjected to salt water conditions caustic or acidic materials Subjected to accidental drops or falling objects
82. ntrol cable drive cable is a flexible carbon steel cable with an outer helical winding The length of control cable is approximately twice the length of the remote controls Attached to one end of the control cable is a male connector The control cable when used in conjunction with the remote control as a system provides a positive mechanical control of the source assembly at a distance The control cable is a critical link for safe operation and is the radiographer s only means of control over the source assembly Therefore the control cable s storage use daily inspection and quarterly maintenance are critical elements to the prevention of a control cable failure In almost all cases repairs for a control cable are not possible with the exception of replacing the control cables Model 550 male connector every five years Damaged or defective control cables must not be used and removed from service 3 7 3 8 DAILY INSPECTION INSTRUCTIONS 1 Remote control inspection Uncoil the remote controls at the site Inspect the control crank to assure all screws are present and tightened and that the crank handle is properly secured If the control crank is equipped with an odometer zero the odometer while the control cable is fully retracted Verify the odometer is fully functional Ensure the instructions on the control crank s label are legible These instructions are important to safety especially when assistants are being trained or during
83. nufacturer Source changers are also utilized for storage of sealed source assemblies Also known as source exchangers storage containers Working position Condition of the exposure container and source assembly when in the position intended for the performance of industrial gamma radiography 6 3 EMERGENCIES AND PERSONNEL SAFETY Emergencies During the termination of a radiographic exposure observation of the survey meter provides an indication of source movement while cranking the remote control handle After retracting the sealed source into the exposure device radiographers are required to perform a confirmatory survey of the exposure device the projection sheaths and beam limiter when used Performing a confirmatory survey after a radiographic exposure is required by regulation and is the only method that the radiographer should rely on to determine if a source assembly is in the fully shielded position within the exposure device If the radiographer measures any radiation level that indicates the sealed source is not fully shielded while performing the confirmatory survey the radiographer must first recognize that problem exists and then follow his company s emergency procedures Emergency conditions are those problems in which the source assembly cannot be returned to the shielded position by normal means specifically the remote control crank mechanism The majority of problems experienced by radiographers are where the sourc
84. ography The Model 880 series exposure devices are portable lightweight and permit use of several different isotopes commonly needed by the nondestructive testing community The Model 880 is primarily designed for use with Iridium 192 sources for radiographic inspection of steel and light alloys Due to the advancements in radiographic inspection techniques additional source assemblies for the Model 880 are available with Selenium 75 Ytterbium 169 and Cobalt 60 The use of these isotopes increases the capabilities of gamma inspection techniques of specific materials by using a wider range of radiation energies to achieve required inspection sensitivity The tubular stainless steel case of welded construction contains a cast radiation shield of depleted uranium One end of the exposure device houses a locking mechanism mounted to the back plate from which the source assembly connector is accessible during usage The opposite end of the exposure device houses an outlet port mechanism which is mounted to the front plate The outlet port mechanism allows attachment of source guide tube projection sheath without an elevation of radiation levels The Model 880 Delta may be used with suitable source assemblies up to a maximum activity for the following listed isotopes Iridium 192 150Ci 5 55TBq Ytterbium 169 20Ci 0 74TBq Selenium 75 80Ci 2 96TBq Cobalt 60 0 065Ci 2 4GBq The Model 880 Sigma may be used with suitable source assemblies
85. on number i e Model 880 cert USA 9296 B U XX for XX enter either 85 or 96 according to the package certification viii Shipper s certification This is to certify that the above named materials are properly classified described packaged marked and labeled and are in proper condition for transport according to the applicable regulation of the Department of Transportation A9CFR172 204 a For air shipments the following Shippers Certification may be used hereby certify that the contents of this consignment are fully and accurately described above by proper shipping name and are classified packed marked and labeled and are in proper condition for carriage by air according to applicable national governmental regulations 49CFR172 204 c ix For air shipments the package must be labeled with a Cargo aircraft only label and the shipping papers must state This shipment is within the limitations prescribed for cargo only aircraft x Your company s 24 hour emergency telephone number xi The weight per package including the unit of measurement of the hazardous material covered by the description e g 100Ib Note For air shipments the weight must be in multiples of kilograms For air shipments the shipping papers must meet the requirements specified in IATA for a Shipper s Declaration for Dangerous Goods In addition to the information listed in 6b the following information needs to be specified i
86. on spring part number SPROO5 2 x compression springs part number 5 004 Replacement springs for the outlet port 2 x compression springs part number SPRO33 Bayonet type source guide tube for operational tests of the outlet port 4 5 4 6 MAINTENANCE INSTRUCTIONS Model 880 Delta Model 880 Sigma and Model 880 Elite annual maintenance requirements Model 880 Delta Sigma and Elite exposure devices must receive inspection and maintenance at least once a year The locking mechanism and outlet port mechanism must be removed from the exposure device and disassembled for proper cleaning inspection and lubrication on components that are critical to safety These procedures can only be performed on an empty exposure device which requires transfer of the radioactive source assembly into an approved storage container The inspection and maintenance procedures must be performed by personnel specifically trained and qualified for this work QSA Global service engineers will service these systems at one of their service centers or in the field upon request Trained and qualified personnel who wish to perform this work should use the following procedure 1 Perform a daily inspection of the system and transfer the radioactive source assembly into an approved storage container Disengage remote controls and source guide tubes The exposure device must be empty for the following steps See page 4 3 2 Remove the four 5 18 x 1
87. ond their useful working life may be returned to authorized recipients using a source changer authorized for the specific model source assembly Authorized recipients will provide any specific conditions to the shipper as required by regulatory authorities As a minimum sources that are transferred for a final disposition must be within a current leak test and properly secured within an authorized package before shipment Damaged cropped modified or contaminated source assemblies may require special handling and special transport containers Notify the authorized recipient for specific instructions in these circumstances Depleted Uranium DU shielded exposure devices that are removed from service due to severe damage worn through S tubes or decommissioning reasons must be sent to a licensed recipient for final disposition If the Type B transport status of a damaged exposure device is impaired the exposure device must be transported without radioactive source assemblies DU shielded exposure devices sent for final disposition must be properly packaged surveyed marked and labeled before placement into the transportation system Contact QSA Global Inc for assistance in the transfer of DU shielded exposure device for final disposition 8 1 SENTINEL Sales Americas Canada Asia Pacific Middle East Sentinel QSA Global Inc 6765 Langley Drive Baton Rouge Louisiana 70809 USA Tel 1 225 751 5893 Toll Free 1 800 225 1383 F
88. ontrol crank handle as if exposing the source until a resistance is felt Release the control crank handle and proceed with the next step CAUTION Do not apply excessive force to the control crank handle in the expose direction as this could cause the source assembly to move forward out of the stored position when the lock slide is released Do not retract the control cable and apply the control crank brake Leave the control crank and the control cable in a neutral tension position 2 7 2 8 OPERATING INSTRUCTIONS Projecting and retracting the source assembly Unlocking If engaged unlock the exposure device s plunger lock with the key Rotate the selector ring to the OPERATE position Ensure there is no tension force in either direction on the control cable Push the lock slide GREEN MARKING laterally from left to right as seen behind the projector until the lock slide RED MARKING fully appears on the right side of the selector ring and you feel or hear the sleeve snap into the slide When the GREEN MARKING is visible the source assembly is locked into the secured position within the exposure device When the RED MARKING is visible the source assembly is free to be projected from and retracted to the projector Ensure all personnel leave the immediate area Go to the remote control crank If an odometer is fitted adjust the reset knob to read zero The source assembly can now be projected
89. op and bottom holes of the selector assembly and rotate the selector ring toward the OPERATE position Push the lock slide until the sleeve snaps into place While in the OPERATE position wind out a short length of control cable and pass it through the front of the selector assembly Attach a mock source assembly or the test jumper connector to the control cable connector and withdraw it into the selector assembly Pull on the section of control cable and confirm that the lock slide automatically secures the connector The lock slide must snap shut in a fast and smooth motion when triggered Verify the securement action of selector mechanism by attempting to both push and pull the mock source assembly out of the selector mechanism while in the EXPOSE LOCK and CONNECT positions 4 7 4 8 MAINTENANCE INSTRUCTIONS Rotate the selector mechanism back to the OPERATE position and push in the lock slide to ensure smooth operation and positive engagement Attempt to push the lock slide towards the SECURED position to test for a positive engagement of the lock slide If a smooth operation is not attained and or the lock slide can be forced into the secured position by testing for positive engagement disassemble and thoroughly re inspect for faulty components Thoroughly inspect all components for rough edges or burrs etc which could cause jamming or irregular operation Replace parts as necessary re lubricate and reassemble the selector as
90. or the Safe Transport of Radioactive Materials e International Air Transport Association Dangerous Goods Regulations e International Civil Aviation Organization Technical Instructions For The Safe Transport Of Dangerous Goods By Air e International Maritime Organization International Maritime Dangerous Goods Code U S Department of Transportation Title 49 Code of Federal Regulations Parts 171 through 178 e U S Nuclear Regulatory Commission Title 10 Code of Federal Regulations Part 71 e Canadian Nuclear Safety Commission Nuclear Safety and Control Act Packaging and Transport of Nuclear Substances Regulations e Transport Canada Transport of Dangerous Goods Regulations e Road Transport in Great Britain is governed by the Radioactive Material Road Transport Great Britain Regulations 2002 Contents Part Transport Package Part B Receipt of Radioactive Material exposure device containing a sealed source Part C Shipment of Radioactive Material exposure device containing a sealed source PartD Shipment of Empty Uranium Shielded Containers empty exposure device PartE Shipment of Empty Packages Which Previously Contained Radioactive Material empty exposure device in overpack Part F Carriage of Radioactive Material 5 1 5 2 SAMPLE TRANSPORTATION INSTRUCTIONS Part A Transport package The Model 880 Delta Model 880 Sigma and Model 880 Elite are approved as radiographic expo
91. osure device requires the disassembly of the exposure device to enable a detailed inspection of all major components Therefore the inspection and maintenance requires transfer of the source assembly from the exposure device into a source changer performed inside of a restricted area The annual inspection and maintenance must be performed by individuals specifically trained qualified and authorized for this work Perform the following steps to transfer the sealed source from the exposure device into a source changer 1 Perform a survey of the exposure device to ensure measurable dose rates are less than 200mR hr 2mSv hr when loaded to maximum capacity Perform a radiation survey and inspection of the source changer to be used according to the source changers operating instructions manual 2 Perform a daily inspection of the remote controls source guide tube s and exposure device according to the daily inspection section of this manual If the source assembly connector fails the NO GO gauge test do not proceed with transfer of the source assembly Contact an QSA Global service center for advice on disposal of the source assembly Use the Model 550 NO GO gauge to check the remote control cable connector before and after a connection to the source assembly connector For complete instructions to use the NO GO gauge and points tested review the daily inspection instructions See page 3 8 Do not use remote controls that do not meet the
92. owing statement This shipment is within the limitations prescribed for cargo aircraft only NOTE For shipments in company vehicles to and from job sites the shippers certification is not required The shipping papers must indicate your company s emergency telephone number The telephone number must have 24 hour coverage in case of an emergency concerning your shipment The telephone number must be clearly visible on the shipping paper and must be answered by a person that can provide immediate emergency response information Beepers and pagers are not acceptable 16 For air shipments the shipping papers must meet the requirements specified in IATA for a Shipper s Dedaration for Dangerous Goods In addition to the information listed in section 15 of this part the following information needs to be specified a b Air waybill number Enter the number of the air waybill to which the declaration form will be attached This may be amended by the carrier Aircraft limitations Specify that the shipment is within the limitations for Cargo aircraft only A notation can be added in the handling information box of the Shipper s Declaration which states This shipment may be carried on passenger aircraft outside U S jurisdiction Airport of departure Enter the full name of the airport of city of departure which may be amended by the carrier Airport of destination Enter the full name of the airport or city of destination whic
93. polyvinyl electrical tape Taping the damaged area of the polyvinyl sheath will prevent the ingress of water and other liquid that would cause corrosion to the remote control cable Carefully look and feel for dents and depressions in the source guide tubes Even a small inward dent in the source guide tube could cause a seized source assembly resulting in emergency operations A mock Model A424 9XL source assembly attached to a section of control cable that is pushed through the entire length of source guide tube provides additional confirmation the source guide tube suitable for use 4 Inspect the swage fittings of each source guide tube to ensure the threads are not stripped or galled If the threads are damaged the use of a 1 18 tap or die nut and oil can be used to clean the damaged area Using moderate pressure attempt to twist the swage fitting off the source guide tube If any movement is possible remove from service and replace the swage fitting Inspect the source guide tube near the swage fitting for breaks and bulging remove from service and send to a service center for repairs Repair can be accomplished by cutting away the damaged area and replacing the swaged fitting Inspect the exposure head source stop to for excessive wear or perforations on the end stop and the side where the collimator beam limiter is mounted Damaged fittings or exposure heads on source guide tubes can be replaced at an QSA Global service center If
94. range can cause serious injury or death to anyone who is exposed to it even for a short duration of time Training Formal classroom training in radiation safety supervised hands on training and certification by an independent certifying organization of radiographers are essential components for radiological safety in isotope radiography and is a regulatory requirement in the United States and Canada Sentinel QSA Global Inc provides radiation safety and inspection amp maintenance training at the Baton Rouge Louisiana and Burlington Massachusetts facilities On site training is available by arrangement 7 1 7 2 EMERGENCIES AND PERSONNEL SAFETY Access to restricted areas The site where radiography is performed must be separated from other work areas by as much distance as possible If applicable check for occupation of the areas above and below the radiography site Clearly defined boundaries must be set up and warning signs displayed to provide warning and prevent access to the radiography site by unauthorized personnel before any exposure begins No one should enter the boundary marking a Restricted Area or Controlled Area without a film badge or TLD direct reading pocket dosimeter or electronic pocket dosimeter and alarm ratemeter if required A pocket chirper alarm is required in some countries to provide radiography personnel with an immediate audible warning of a high radiation intensity United St
95. raphic operations First the locking mechanism requires a deliberate action to enable exposure of the source assembly This is accomplished by coupling the control cable connector to the source assembly connector coupling the remote control connector to the exposure device locking mechanism and then pushing a lock slide from the SECURED position into the EXPOSE position The lock slide must be manually pushed into the EXPOSE position prior to each radiographic exposure to enable operation of the remote control Source assembly Sealed source Control cable Exposure device d A 7 A RET AF LE PN v Remote Locking Shield Outlet port Source control crank mechanism guide tubes Figure 3 2 Source assembly in fully shielded position of radiographic exposure device 3 3 3 4 DAILY INSPECTION INSTRUCTIONS Second during termination of a radiographic exposure the remote controls are used to retract the source back into the exposure device When the source assembly is returned to the fully shielded position within the exposure device the locking mechanism automatically secures the source assembly preventing the source assembly from being inadvertently exposed from the fully shielded position The automatic securing mechanism allows movement of the exposure device with the remote controls attached at the job site while preventing inadvertent exposure of the source assembly For the third
96. reness familiarization training e Function specific training e Safety training providing Emergency response information Measures to protect employees from potential hazards associated with hazardous material to which employees may be exposed in the workplace both radioactive and chemical hazards Employer safety measures implemented to protect employees Methods and procedures for accident avoidance i e proper procedures for handling hazardous material packages OSHA or EPA training MSDS information An appropriate test must be administered and the following documentation must be kept Employee name Date of most recent training Description copy or location of the training methods Name of person performing training Certification that person has been trained and tested Documentation should be kept in one file i e all radiation safety related training used as part of the Hazmat training should be included 5 3 5 4 SAMPLE TRANSPORTATION INSTRUCTIONS Prior to shipment assure the package and its contents meet the following requirements The contents are authorized for use in the package The package is in good physical condition for transport All locks or required shipping plugs are properly installed and seal wired where required All conditions of the Type B U Certificate of Compliance or Type A approval are met 10CFR71 87 NOTE Quantities of special form radioactive material equal to
97. s in the bent position after the test provides an indication of internal corrosion and must be removed from service e Verify that a light coating of mil spec grease is present on the control cable The light coating of grease is necessary to prevent the penetration of water and chemicals that can oxidize and permanently damage the control cable DAILY INSPECTION INSTRUCTIONS Check for freedom of movement of the control cable within the remote controls by moving the control crank handle back and forth approximately one quarter turn During this test take care to avoid cranking the control cable onto the ground exposing it to dirt and sand If any resistance is felt during this check re inspect the control conduits for dents or depressions If dents are not present on the remote control conduits the control cable may be rusted stiff somewhere within the control conduits Do not use remote controls that do not function properly or exhibit defects described above A final check of the control cable connector and source assembly connector is accomplished by use of a Model 550 NO GO gauge to check for significant wear on the connectors that would affect safety Without using excessive force check the following four positions The ball at the end of the control cable connector must NOT GO into the hole of the gauge The shank or stem of the control cable connector must NOT GO into the smaller of the two notches located on the side of the gauge T
98. se Parts Relating to the Reporting of Incidents and decontamination the training requirements of Subpart H of Part 172 and the shipping paper requirements of Subpart C of Part 172 This exemption is Authorized per 49CFR173 428 This Package Conforms to the Conditions and Limitations Specified in 49CFR 173 428 for Radioactive Material Excepted Packages Empty Packaging UN2908 b Your company s 24 hour emergency telephone number 7 For air shipments the shipping papers must meet the requirements specified in IATA for a Shipper s Declaration for Dangerous Goods In addition to the information listed in section 6 of this part the following information needs to be specified SAMPLE TRANSPORTATION INSTRUCTIONS a Air waybill number Enter the number of the air waybill to which the declaration form will be attached This may be amended by the Carrier b Airport of departure Enter the full name of the airport of city of departure which may be amended by the carrier c Airport of destination Enter the full name of the airport or city of destination which may be amended by the carrier Part F Carriage of radioactive material 1 Assure that the vehicle used is in good condition and carries the normal complement of safety equipment including Radiation Area signs a length of rope spare tire fire extinguisher a set of vehicle tools and a set of flares Assure that the glove compartment contains the vehicle registration certification a
99. se head Locked position Describes the condition when the lock on a radiographic exposure device or transport container is fully engaged to lock the source assembly in place and the key is removed from the lock This condition prevents unauthorized personnel access to the sealed source assembly locked within the device Maximum rating The maximum activity expressed in bequerels and curies that cannot be exceeded of a sealed source specified by radionuclide by the manufacturer when contained within a radiographic exposure device or a transport container Plunger lock A mechanical device with a key used to lock or unlock the radiographic exposure device or transport container Projection sheath A flexible or rigid tube for guiding the source assembly from the radiographic exposure device to the working position having the necessary connections for attachment to the radiographic exposure device and the exposure head or including the exposure head itself The projection sheaths also provide protection of the source assembly and attached control cable from water dirt sand and other foreign materials usually present at radiography environments Also known as source guide tubes guide tubes source tubes head hoses Examples of rigid projection sheaths include j tubes probes jet engine probes Remote control The mechanical device that enables the source assembly to and from a working position by operation from a distance away from t
100. sembly Repeat the functional safety testing to verify smooth and safe operation of the selector mechanism Do not install the serviced back plate lock mechanism module to the exposure device at this point 7 Removethe front plate containing the outlet port mechanism from the empty Model 880 device by removing the four 5 6 18 x 14 2iIn socket button head screws using the tamperproof tool bit mounted in a ratchet After removing the outlet port mechanism clean the S tube of the exposure device by pushing cloth swabs wetted with solvent through the S tube until they come out clean Use a dry cloth swab to remove any residual solvent from the S tube after cleaning Clean the exterior of the Model 880 using a mild detergent solution to remove all dirt and grime Visually inspect the exposure devices stainless steel end plates for weld failures cracks etc on the locking mechanism and outlet port ends Ensure the handle the bottom contact surfaces and sides comprising the plastic jacket are intact Check the bottom surfaces of the jacket to ensure the contact area is not excessively wom allowing contact of the stainless steel body with a flat work surface Additionally if dents to the device s body or flanges due to accidental drops are found during this inspection these repairs must be performed at an QSA Global service center Ensure that all of the information contained on the Model 880 label is legible The trefoil and the waming Cau
101. service and tag it with a label to prevent inadvertent use The control cable Model 550 male connector must be replaced at intervals not to exceed five 5 years Maintenance program administrators must maintain traceability records for replacement of all Safety Class designated components 8 Lightly lubricate the control cable using MIL G 23827B or C MIL PRF 23827C grease or equivalent Apply additional grease to the first 3ft approximately 1m of control cable male connector end 9 Clean the exterior of the remote control conduits using clean rags and a detergent Remove all dirt and grease from the yellow polyviny conduits and swaged fittings Carefully inspect the entire length of remote control conduits for cuts and melted areas Repairs to cut or melted areas can accomplished by taping the area with 3M yellow polyvinyl tape or black polyviny electrical tape The tape will prevent the ingress of water and other liquid that would cause corrosion of the remote control conduits inner braids and the remote control cable Look and feel for dents and depressions in the remote control conduits Minor dents can be rounded out by gently tapping the area with a small hammer Examine the control conduits where they protrude from the swage fittings looking for bulges or cracks in the polyvinyl Remote control conduits with large dented areas or cracks bulges near the swage fittings should be sent to the manufacturer for repairs 4 11
102. ssary Lubricate the plunger lock barrel and tumbler using two drops of a light viscosity oil Apply Vibratite thread sealant to the lock set screw and install Check the plunger lock for proper function by using the key to engage and unlock Apply Vibratite to the lock retainers 10 32 x 4 2in screws then mount the lock retainer to the locking mechanism plate Hand tighten the screws using a 5 Allen wrench Apply a light coating of lubrication to the inside surfaces of the selector ring and selector body using MIL G 23827B or C MIL PRF 23827C grease or equivalent radiation resistant grease Do not lubricate the lock slide and sleeve Note that some types of greases may undergo chemical changes and form tars when exposed to radiation MAINTENANCE INSTRUCTIONS 5 Begin assembly of the locking mechanism by lightly coating all components with MIL G 23827B or C MIL PRF 23827C grease Treat all screw thread ends with Vibratite or Locktite thread sealant Mount the locking mechanism plate horizontally in a vise or fixture with the plunger lock and retainer at a 12 o clock position Note carefully mount the locking mechanism plate a vise or fixture so hands are free for the assembly procedure and no damage to the mount plate will occur The narrow end of the lock slide slot must be located at the 3 o clock position Locate the lock slide and return spring into the mating slot of the selector body Place the selector ring with
103. sure devices and Type B U transport packages under the certification number USA 9269 B U XX for XX enter either 85 or 96 according to the package certification The 96 designation for Type B U certifications is being phased in worldwide and will go into full effect on January 1 2004 The Model 880 Delta Model 880 Sigma or Model 880 Elite exposure devices are tested and approved for transport with or without the optional jacket as the Type B U package The transport package without a jacket consists of the stainless steel housing front and back plates with the appropriate mechanisms and the exposure device s label As a shipper of radioactive material you must perform a pre shipment inspection to verify conformance to the Type B U certification for each individual shipment of radioactive material This verification assures the package s integrity is not compromised which may cause a reduction of safety while in the transport system Visually inspect the transport package Assure the source assembly is properly secured in the locked position The selector ring must be in the LOCK position the protective cover in place the plunger lock engaged and the key removed Assure all screws are present and secured Assure the front port is properly secured Assure the seal wire is properly installed if used Assure the Danger Radioactive Material label is securely attached and visible on the package Assure that the label is legib
104. tamperproof screws in an opposing cross pattem to 110in Ib 12 43Nm or 5in Ib 0 57Nm Apply anti seize thread lubricant to the first several end threads of the front plate s outlet port four 5 6 18 x 1 2 socket button head screws Align and attach the outlet port assembly to the exposure device s end plate by installing the four 5 18 x 14 2in screws using the tamperproof tool bit mounted in a calibrated torque wrench Torque the tamperproof screws in an opposing cross pattern to 110in lb 12 43Nm or 5in Ib 0 57Nm Operationally test the function of the entire system using a bayonet fitting source guide tube the remote controls and a mock source assembly Attachment of the bayonet source guide tube to the outlet port must be smooth and without resistance Rotate the outlet port mechanism to enable exposure of the mock source assembly Connect the serviced remote controls to mock source assembly connector and the device locking mechanism Push the lock slide into the EXPOSE position and crank the control cable into the exposure mode While cranking the mock source assembly from the exposure device carefully feel for resistance or snags During retraction of the mock source assembly back into the exposure device carefully feel for any resistance or snags during movement Conclude the test by verifying the lock slide automatically secures the mock source assembly Action of the lock slide should be smooth with an audible snap
105. tem A daily inspection of the gamma radiography system for obvious defects is essential The daily inspection ensures that the equipment is in a safe and proper operating condition It is important that all radiographers perform or supervise this inspection prior to the first radiographic exposure of the shift regardless of any previous inspections that may have been performed that day As an example damage to a component of the system may occur during transport of the equipment to the job site If damaged equipment were used without detection the result may be the inability to retract the source assembly into the exposure device and secure it The results of a daily inspection should be recorded and include the date the name of the inspector and what specific equipment was inspected If any defective or damaged components are discovered during the daily inspection the component must be removed from service and identified with a status indicator tag label or tape to prevent inadvertent use by other radiography personnel Defective or damaged components must be repaired or replaced before reuse in radiographic operations The three main components of the radiography system consisting of the radiographic exposure device remote controls and source guide tubes must be inspected in addition to accessories such as lab stands collimators J tubes magnetic lab stands and pipe clamping apparatus Radiographers must take a proactive role in preventin
106. the information set out in this manual does not in itself constitute acceptance of any liability on the part of Sentinel QSA Global Inc OPERATING INSTRUCTIONS QCP385 issue 2 Job site safety precautions Instruments The radiographer and his assistant must at all times wear a film badge or TLD and pocket dosimeter with a range of 0 200mRem 0 2mSv Regulatory requirements in the USA also require that an audible alarm ratemeter be worn at temporary jobsites Specifically those locations that are not permanent radiographic installations equipped with functional door interlocks and audible visual alarms Radiographers in the USA must also have a survey meter capable of measuring in the range 2mhR hr 20uSv hr up to 1 000mP hr LOmSv hr Canadian regulations require that survey meters used for industrial radiography be capable of measuring from 2yuSv hr 0 2mR hr and up to 100mSv hr LOR hr In any regulatory jurisdiction always verify survey meter requirements affecting the range and calibration requirements prior to engaging in industrial radiography operations An audible chirper pocket alarm may be required in some countries Restricted Area Radiography must be performed only in a restricted area which is marked with the appropriate radiation warning signs and secured against unauthorized entrance Distance Since the source emits high levels of radiation it is good practice to operate the system from as great a distance as possi
107. tion is accomplished by completion of the following steps 1 Pull and rotate the spring loaded outlet port cover a quarter turn from a 12 o clock to a 3 o dock position in a clockwise direction This action moves the protective cover away from the outlet port to permit attachment of a source guide tube 2 A bayonet style fitting of the source guide tube is inserted into the outlet port and rotated a quarter turn from a 12 o clock position to a 9 o clock position counter clockwise A complete insertion and counter clockwise rotation of the source guide tube fitting releases the lock on an internal shielding rotor of the outlet port 3 Rotate the spring loaded cover an additional 60 degrees from a 3 o clock position to a five o clock position in a dockwise direction until it stops This last movement moves the outlet port shield out of position and aligns a pass through opening on the rotor with the S tube and outlet port while simultaneously securing the source guide tube fitting to the outlet port The design permits attachment of the source guide tubes without an elevation of radiation intensity at the outlet port minimizing the radiation exposure to the radiographers hands The sealed source assembly cannot be exposed out of the exposure device unless a positive connection of the source guide to the device has been accomplished The exposure devices locking mechanism provides three main safety features for the radiographer during radiog
108. tion or Danger Radioactive Material must be legible at a distance of 3ft approximately 1m The model number serial number and Type B certification number must also be legible For label replacement remove the old label from the exposure device by using a number 30 drill bit mounted in a hand drill Remove the rivet heads used to fasten the label to the stainless steel body by drilling through the rivet head just enough to allow the rivet head to rotate freely Remove all rivet heads to remove label Install replacement label install and use pop rivet gun to seat new x ein stainless steel rivets Disassemble the front plate outlet port mechanism by removing the set screw or roll pin from the outlet port cover Unscrew the two socket head cap screws from the pivot disk Remove and discard the two compression springs from the outlet port mechanism and replace with new springs Clean all parts in solvent using a brush to dislodge all dust and dirt Dry all components thoroughly Do not lubricate leave all components completely dry Inspect for wear and burrs on the brass slider and rotor surfaces Verify the tungsten port shield is not loose within the rotor If the port shield is loose remove the set screw apply Vibratite thread sealant and retighten the set screw against the tungsten port shield If the port shield uses a roll pin remove the roll pin and replace Inspect the front plates outlet port for wear and burrs where
109. tion used in connection with this product The use of such material or generators in any manner other than prescribed in the U S Nuclear Regulatory Commission or equivalent Agreement State or permitted by any regulation of the U S Nuclear Regulatory Commission or State Regulation may constitute a violation of such license terms All other warranties except those warranties expressly stated herein including without limitation warranties of merchantability and implied warranties of fitness are expressly excluded The warranty on this device is specifically limited to its use only with sealed sources and connectors parts and accessories manufactured by QSA Global Inc QSA Global Inc has received equipment approvals for the Model 880 Delta Sigma and Elite systems from the Commonwealth of Massachusetts the USNRC Transportation Branch The U S Department of Transportation and the Canadian Nuclear Safety Commission This requires use of Agreement State or USNRC registered and approved remote controls control cables projection sheaths sealed source assemblies remote control cranks used in conjunction with the Model 880 Delta Sigma or Elite For additional information on compliance with Type B U certifications USNRC 10CFR34 ANSI N432 1980 or ISO 3999 1 2000 E please contact QSA Global Inc Sentinel QSA Global Inc shall not be liable for any errors or omissions contained herein and the provision by Sentinel QSA Global Inc of
110. tor and the source assembly connector Replace components that fail any of these tests 8 Operationally check the locking mechanism and then the function of the entire system during the first radiographic exposure of the work shift while within a restricted area Operation of the radiographic system verifies both the locking mechanism and entire system operates smoothly and freely If operation is faulty remove the exposure device from service and perform the complete annual maintenance Routine quarterly maintenance records Records of all equipment inspected and maintained during the routine maintenance must be recorded Records should indicate The date of inspection and maintenance Name of the qualified individual performing the required inspections Problems found and maintenance or repairs performed Model number and serial number of the exposure device Associated equipment that was inspected and maintained Part numbers and associated lot numbers or serial numbers of replacement parts installed MAINTENANCE INSTRUCTIONS Annual maintenance requirements Radiographic exposure devices used under normal environmental conditions should only require complete maintenance once a year Complete maintenance on the associated equipment including the remote controls and source guide tubes should be performed every three months to detect deficiencies and to prevent corrosion and wear related problems The complete maintenance of the exp
111. uide tube s to the exposure device outlet port as shown OPERATING INSTRUCTIONS Connecting the source guide tube s Simultaneously pull and rotate the spring loaded outlet port cover a quarter of a turn in a clockwise direction Insert the bayonet fitting of the source guide tube into the exposed outlet port Align the GREEN MARKINGS on the bayonet fitting and outlet port Rotate a quarter of a turn counter clockwise Rotate the spring loaded outlet port cover an additional 60 degrees in a clockwise direction until it stops 2 3 2 4 OPERATING INSTRUCTIONS WARNING Ensure that the available length of the control cable is greater than the total length of the source guide tubes See the technical specifications section for details If the remote control conduits are shorter than the total length of the source guide tubes 1 The source assembly cannot be projected all the way to the source stop of the terminating source guide tube and be correctly positioned for the exposure 2 The source assembly may not reach a collimator therefore restricted area dose rates may be higher than expected 3 The control cable may be cranked right off the drive wheel of remote controls that are not be fitted with a safety retaining spring This scenario must be treated as an EMERGENCY Remote control conduit layout Lay out the remote control conduits as straight as possible with no bend radii less than about 36in appro
112. ular appearance on the exterior while having an inward dent in the metallic conduit directly below the waterproof material This type of masked dent can be felt by the radiographer s hands Dents in the source guide tubes are the major cause of source hang ups 3 Inspect the attachment of the collimator to the source stop exposure head if used during radiography Daily inspection of the remote controls The remote control consists of a control crank a control cable with a connector swaged at one end two control cable conduits and a connector plug assembly The control crank contains a diagonally cut geared drive wheel that matches the outer helical winding of the control cable This worm gear arrangement of the control crank drive wheel and the control cable provides the radiographer with a reliable means to project and retract the source assembly from and to the exposure device The control crank is equipped with a lever brake that retains the source assembly while in the exposure head Beneath the control crank is a label that indicates the direction for EXPOSE and RETRACT during use in addition to ON and OFF positions for the brake Control cranks are available with an odometer to provide the radiographer with the approximate travel distance of the source assembly The travel distance is indicated in increments of feet and tenths of a foot Radiographers can count the number of rotations of the crank handle when using control cranks that are
113. urce Control cable Exposure device Remote Locking Shield Outlet port Source control crank mechanism guide tubes Figure 3 3 Sealed source in transit mode DAILY INSPECTION INSTRUCTIONS Exposure mode When the source assembly reaches the exposure head at the radiographic working position the odometer will indicate in feet and tenths of a foot the approximate distance the sealed source has traveled See figure 3 4 To return the source assembly to the exposure device the crank handle is rotated in the RETRACT direction clockwise When the source assembly is returned to the fully shielded position within the exposure device the locking mechanism automatically secures the source assembly The automatic securing mechanism will not permit exposure of the source assembly unless the radiographer pushes the lock slide into the expose position The remote controls cannot be disconnected from the source assembly unless the source assembly is fully retracted into the shielded position in the exposure device The system is designed for safe and reliable operation provided the system is properly used and maintained Source assembly Sealed source Control cable Exposure device 2 48 Remote Locking Shield Outlet port Source control crank mechanism guide tubes Figure 3 4 Sealed source in the exposure mode 3 5 3 6 DAILY INSPECTION INSTRUCTIONS Daily inspection of the sys
114. urce assembly the selector ring cannot be rotated to the lock position do not use excessive force or the lock slide is not actuated one must suspect an accident in which the source assembly may have become disconnected or stuck outside the projector giving rise to a very high radiation field Treat the situation as an EMERGENCY OPERATING INSTRUCTIONS Dismantling equipment Remote control unit Unlock the exposure device and then rotate the selector ring from LOCK to CONNECT The remote control connector will partially disengage from the exposure device s locking mechanism Completely disengage the remote controls from the exposure device by disengaging the control cable connector from the source assembly connector Place the protective cover over the remote control s connecting plug assembly to exclude dirt and protect the control cable connector from damage Roll the remote control conduits loosely for easier handling and transport Reinstall the locking mechanism protective cover hold in place and rotate the selector ring to the LOCK position Push in the plunger lock and remove the key to lock the exposure device Source guide tubes Remove the source guide tube attached to the exposure device outlet port by 1 Rotating the spring loaded outlet cover 60 degrees in a counter clockwise direction 2 Grasp the source guide tube fitting and rotate a quarter of a turn in a clockwise direction This action will allow removal of the source
115. uring that no one enters their posted Restricted Area EU Regulations A Controlled Area must be marked with a barrier at a distance where the radiation intensity will not exceed 0 75mP hr 7 5uSv hr The boundary dose rates must be noted and the record kept for 2 years During radiographic operations only classified radiation workers are allowed inside this area A Supervised Area is defined as the area where the boundary dose rate limit must not exceed 0 25mP hr 2 5uSv hr No barriers or notices are required here but the radiographer must be vigilant to ensure that personnel in this area do not enter the Controlled Area Personnel monitoring All personnel who enter a Restricted or Controlled area or are present during radiographic operations are required to wear the appropriate personnel monitoring devices as required by the regulatory jurisdiction These devices can indude film badges thermoluminescent dosimeters TLD optically stimulated luminescence badges direct reading pocket dosimeters electronic pocket dosimeters alarm ratemeters and audible alarms Calibrated and operable survey meters must be used to determine radiation levels when conducting radiographic operations INSTRUCTIONS FOR DISPOSAL By international regulations radioactive materials that are no longer required must be transferred to a licensed recipient for final disposition Iridium 192 source assemblies that have depleted bey
116. vey meter The survey meter will measure approximately 40mP hr 400uSv hr at the rear plate of the exposure device when a 100Ci 3 7TBq source is in use CAUTION Remain clear of the front of the exposure device outlet port side to minimize personal exposure Reset the lock slide to the open position Return to the control crank and turn the crank handle in the RETRACT clockwise direction and store the source assembly in the normal manner The odometer if supplied should read approximately zero when the source assembly has returned to the projector Confirmatory survey Approach the exposure device while observing the survey meter observe the GREEN MARKING on the lock slide and survey the exposure device The survey meter should indicate the same radiation level as observed before the exposure Note particularly the outlet port reading Survey the entire length of source guide tube with the survey meter If the meter shows a sharp increase the source is exposed or incompletely shielded If the source is still exposed attempt to store it properly by cranking the source a short distance toward the exposure head and retracting it repeating if necessary Locking the exposure device When the source assembly is properly stored in the projector rotate the selector ring from the OPERATE position to the LOCK position and secure it with the plunger lock Remove and safeguard key WARNING If after several attempts to return the so
117. ward from the source holders connector The purpose of the stop ball is to provide mechanical positioning of the source assembly within the exposure devices shielding and to provide a means of securing the source assembly in the exposure devices locking mechanism Model 880 Delta authorized contents Isotope Assembly Gamma Half life Approximate Device source model energy steel working maximum number range thickness capacity Ytterbium 169 918 8 308keV 32 days 2 20m m 204 0 74TBq Selenium 75 A424 25W 66 401keV 120days 3 29mm 80Ci 3 00 Iridium 192 A424 9 206 612keV 74days 12 63mm 150Ci 5 55TBq Cobalt 60 A424 19 1 17 1 33MeV 5 27 years 50 150mm 65mCi 2 40GBq Model 880 Sigma authorized contents Isotope Assembly Gamma Half life Approximate Device source model energy steel working maximum number range thickness capacity Ytterbium 169 918 8 308keV 32 days 2 20m m 20 0 74TBq Selenium 75 A424 25W 66 401keV 120 days 3 29mm 80Ci 3 00 Iridium 192 A424 9 206 612keV 74 days 12 63mm 130Ci 4 81TBq Cobalt 60 A424 19 1 17 1 33MeV 5 27 years 50 150mm 25mCi 925MBq Model 880 Elite authorized contents Isotope Assembly Gamma Half life Approximate Device source model energy steel working maximum number range thickness capacity Ytterbium 169 918 8 308keV 32 days 2 20m m 20 0 74TBq Selenium 75 A424 25W 66 401keV 120days 3 29mm 80Ci 3 00 Iridium 192 A424 9 206 612keV
118. ximately 1m Avoid any risk of crushing the remote control conduits by falling objects moving vehicles or closing doors etc The remote control crank mechanism operator s hand crank should be placed as far away from the source focal position as possible preferably behind shielding Connecting the remote control cable Connect the control cable to the source projector as shown OPERATING INSTRUCTIONS Connecting the remote control cable Unlock the plunger lock with the key Tum the selector ring from LOCK to CONNECT The protective cover will disengage from the projector 2 5 2 6 OPERATING INSTRUCTIONS Connecting the remote control cable Insert the protective cover into the lock housing during use of the device Check the control cable and source assembly connectors using the NO GO gauge according to the daily inspection section Remove the protective rubber cap from the remote control connector Slide the remote control connector assembly s collar back and open the jaws to expose the male portion of the control cable connector i e the ball end on the control cable connector Press back the spring loaded locking pin of the source assembly connector with a thumb nail and engage the male and female portions of the connectors Release the locking pin of the source assembly connector and check that the connection is secure Use the NO GO gauge to check the gap between the joined conne
119. y trained and qualified radiographers who have read and understand this Operating Manual or by trained assistants working under their direct supervision WARNING The use of this radiographic exposure device by unqualified personnel or when safety procedures are not fully met could result in life threatening dangers Gamma radiography systems emit high levels of highly penetrating radiation during use An unshielded radiation source at close range can cause injury sickness or death to anyone who is exposed to it even for a short period of time A radiation source or an unshielded source assembly must NOT be touched by the hands under any circumstances Since gamma radiation cannot be detected by the human senses strict operating and emergency procedures must be followed The proper use of calibrated and operable survey meters must be employed to avoid potentially dangerous levels of radiation exposure Proper dosimetry including film badges or thermoluminescent dosimeters direct reading pocket dosimeters and audible alarm ratemeters must be worn during all radiographic operations During use of this radiography system never assume the position of the radiation source Always conduct a thorough confirmatory survey using a calibrated and operable survey meter to verify the location of the radiation source Be reminded that a multitude of overexposure incidents which include injuries are directly attributed to a failure of the radiograph

Download Pdf Manuals

Related Search

Related Contents

PDF version - Reallusion  iGo PS00134-2008 power supply unit  MANUAL DE USUARIO DEL MODULO DE SERVICIOS  Xilinx UG133 User's Manual  Kensington K39353US  Discover your IHP en Date / Time  User`s Manual  FSB-15OD User Manual English, French, Spanish  Annexe - Le PLU du Grand Lyon    

Copyright © All rights reserved. Failed to retrieve file