Annexure-1 Specifications for Sl. No:1 - NPCIL e
Contents
1.2. Annexure 1 Specifications for Sl No 1 Contamination Monitor SI No Parameter Description Supplier s remark on compliance deviation 1 Item Contamination Monitor portable Purpose To assess beta beta gamma and alpha surface contamination on floor equipments surfaces and skin in nuclear power plant 3 Detector Geiger Muller Pancake Protective grid shall be at least 80 transparent 4 Contamination Counts from 0 to 10 000CPS or more measurement Surface activity measurement from 0 to 5000Bq cm or range more Fixed contamination Dose rate from 0 10 uSv h to 5000 uSv h or more 5 Display Display shall be LCD display having provision for display of alarm and status report Display unit shall be in cps Bq uSv h and Bq cm For the Bq and Bq cm mode user shall be able to select different nuclides from built in library The following radionuclides must be there in the built in library Cs 137 Am 241 I 131 Sr 90 Co 60 6 Measurement Automatic adjustment from 1 to 60 seconds Adjustable in intervals count up mode by buttons 7 Alarm Visual and acoustic Provision to set at least one alarm threshold 8 Case Suitable protective case shall be given for storage 9 Battery Readily available batteries like AA type 10 Operational From 15 C to 40 C temperature range 11 Approximate Around 400g or less Weight 12 Approximate Dimensions should be approx
3. from 15 C to 40 C temperature or better 10 Approximate Weight shall not be more than approximately 250 g Weight including batteries 11 Approximate The medium range gamma radiation survey meter shall be a Dimensions small hand held battery operated survey instrument Dimensions shall be approximately within 85mm x 40mm x 140mm so that it can comfortably fit inside coverall pocket 12 Manual User manual and maintenance manual shall be provided 13 Warranty Warranty period and its coverage shall be minimum 1 year after commissioning at KGS and be clearly mentioned 14 Additional Energy response curve shall be supplied requirements Calibration certificate shall be supplied EMI standards in accordance with IEC norm 61000 3 Specifications for Sl No 3 Low Range Survey Meter SINo Parameter Description Supplier s remark on compliance deviation 1 Item Low Range Gamma Radiation Survey Meter Purpose To assess low level gamma radiation field inside nuclear power plant 3 Detector Detector shall be energy compensated GM tube or Nal Tl gamma energy response according to H 10 4 Dose rate 0 01 uSv h to 0 01 Sv h or more measurement range 5 Energy response It shall measure gamma and X rays from 50keV to 3MeV 6 Measurement Three significant digits or 0 01 uSv h on dose rate resolution 7 Configurable uSv h mSv h Sv h units 8 Display Unit Display shall be illumi
4. imately within 85mm x Dimensions 25mm x 140mm so that it can comfortably fit inside coverall pocket The contamination monitor shall be handy and should not have external cables 13 Manual User manual and maintenance manual soft as well as hard copy shall be provided 14 Warranty Warranty period and its coverage shall be minimum 1 year after commissioning at KGS and be clearly mentioned 15 Additional Energy response curve shall be supplied requirements Calibration certificate shall be supplied EMI standards in accordance with IEC norm 61000 3 Specifications for SI No 2 Medium Range Survey Meters SI No Parameter Description Supplier s remark on compliance deviation 1 Item Medium Range Gamma Survey Meters 2 Purpose Medium range survey meters are used for surveying moderate gamma radiation field during normal operation and during shutdown 3 Detector Energy compensated GM tube Gamma energy response according to H 10 4 Range It shall be able to measure dose rate of 10uSv h or less to 100mSv h or more Display range shall be from 1 uSv h to 100mS w h 5 Energy range For measuring gamma and X rays from 50keV to 3MeV 6 Alarm It shall have provision for acoustical and visual alarm 7 Display Unit Display shall be illuminated LCD display 8 Energy supply AA type 9 Operational Operational temperature range shall be
5. n compliance deviation 1 Item Alpha beta Counter Purpose For assessing loose contamination of personnel instruments floor personnel protective items etc in addition to assessing system activities 3 Radiation Detected Alpha and Beta Particles 4 Detector ZnS Ag adhered to Plastic Scintillator mounted on PMT 5 Efficiency 2pi Greater than or equal to 50 for Pu 60 for Geometry Th 40 for Sr Yr 10 for C 4 6 Background Less than 3cpm for Alpha particles less than 80cpm for beta 7 Crosstalk Alpha to Beta lt 10 Beta to Alpha lt 1 8 Electronics All solid state Micro Controller based design 9 Operating Mode Preset Timer 9999 Secs 10 Sample holder Sample holder shall accommodate 3 5cm_ diameter planchette 11 Menu Display Counts 999999 or more Time 9999 sec or more 12 HV Supply Adjustable by setting the heliport with graduated dial 13 Data storage Store and recall facility for data more than 500 readings Compatible PC shall be supplied if data storage is via PC 14 Data transfer For PC USB 2 0 15 Power 240V 50 Hz AC mains supply 16 Manual User manual and maintenance manual soft as well as hard copy shall be provided 17 Warranty Warranty period and its coverage shall be minimum 1 year after commissioning at KGS and be clearly mentioned 18 Additional Calibration certificate shall be provided requirement
6. nated LCD display 9 Alarm Configurable audible and visual alarm 10 Communication RF communication or USB communication with suitable adapter 11 Power supply AA type 12 Approximate Approximately less than 250 g with batteries Weight 13 Approximate 15 C to 40 C or better Operating temperature 14 Case Suitable protective case shall be given for storage The monitor shall be water proof including battery compartment so that the monitor can be used for environmental survey in rainy season 15 Accessories Accessories like pouch pocket belt clip shall be provided 16 Approximate The low range gamma radiation survey meter shall be a Dimensions small hand held battery operated survey instrument Dimensions should be approximately within 85mm x 40mm x 140mm so that it can comfortably fit inside coverall pocket The monitor shall have ergonomic design 17 Manual User manual and maintenance manual soft as well as hard copy shall be provided 18 Warranty Warranty period and its coverage shall be minimum 1 year after commissioning at KGS and be clearly mentioned 19 Additional Energy response curve shall be supplied requirements Calibration certificate shall be supplied EMI standards in accordance with IEC norm 61000 3 Specifications for Sl No 4 Alpha Beta Counter SINo Parameter Description Supplier s remark o
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