- Hong Kong Institute of Utility Specialists
Contents
1. 1 For metallic services or non metallic services with accessory 2 To locate the path of the service 3 Receiver detects the signal carried by the service from the transmitter 4 Require access point for signal injection Marker Locating 1 For both metallic and non metallic services 2 To locate a specific point 3 Provide more information of services such as type layers rating 4 Marker absorbs signal transmitted by the detector and reflects back to detector 5 Marker has to be buried next to the service at installation Page24 Features of iD Ball Marker 7 families of markers are available for different utilities Each marker has a unique 10 digit serial number Information can be programmed into the marker on site to denote the function represented by the marker Field names and contents can be chosen from given list or user defined Marker location is a built in function of the locator no adapter is required Maximum of 6 fields of information can be recorded field names and contents can be chosen from given list or user defined 3M Dynatel Locating and Marking Products iD Marker Technology s r Sa iv i j er Coil Antenna Disk Housing a A N ID MARKER ASIG Color Code by Utility Disk inside Ball Housing R 3M Telecommunications Page25 Marker Application Direct buried cable Splice Joint Bends Type number layer of cables Road crossings End of cable2. Professional Service Development Assistance Scheme PSDAS Professional Guide Notes and Pamphlet for utility professionals in Hong Kong Project ref Y09 HKIUS P02 PSDAS
3. W C 2 TmesnewRomn 10 BU ES B NNE Sv Gr Av U56 A B G DJE FIG H I J KJLIM Manhole Record Form vi On GRID REFERENCE N 821291 E 841235 DRAINAGE AREA CODE T11 NE 134 2 3 4 5 6 K B ERENER OUESE 24 CHAM SOFFIT SIEP s LNDG p a 0 DEPIH OF DEPIH OF HEIGHT lt 2 FLOW LI SURCH JU im Inia imm de UP IREAM BACKDEOP PIPE LINDIG JJ REFERENCE E i DIAM mu MATERIAL MATERIAL 41212201 DE ED XX INCOMING PIPES bes Ta AmMOOD gt lt x lt 2 44 A E Hu DOWNSTREAM Z HU 2 EEFERENCE RP HAD Dl b GV MH4 1212700003 GVYMHA 12 12200003 1P GYMH4 12 12200003 2P 4 Ready Fig 5 1 5 Export of manhole card in excel format for reporting Creation of database The result of various surveys gives information on part of the utility system Existing information and newly surveyed data can form an archive or database for future use This database contains different layers of utilities including the Topographic map Electric cables CCTV network utility layer gas pipes manhole survey and CAD layer Data can be searched and retrieved when needed Pagel9 The data can be searched and retrieved by various ways For retrieval of the data of a specific project the project ID can be used for searching Information of different layers can be retrieved by selecting an area on the map This gives convenience on the utility related works The softwar
4. gt Edit Arrow ID S Angle Setter A rot eo w fis Target x amp Create Plan Ge Cross Section Report Export WinCan Export CCTY n tn JE LE JG LJ GS GLE GE ES ELLE ES JEG NS LIE NN Zoom Project Manhole Editor Y a Ed w Task Create New Feature 4 Layers FMH_ARROW SMH_ARROW TEMP PIPE FMH PT F DRAIN SMH PT 5 DRAIN F_VALVE F MAIN S VALVE S MAIN LNC PT GAS VALVE GAS L S LAND POLY S LAND LINE S LAND PT ATC PT J ATC_L CATY PT CATY L ELEC PT ELEC L R L m PD R L m PD 0 9 0 7 0 7 0 G L m PD 1 7 ER 1 EN n ni LL m PD Centre Level m PD KI TON EA ES 42 L 139 Oo D wo D 3 p os 1 H AAR ARRAS eee ee K 38 EET at gt j Drawing A C LEE Al rs Tahoma v 10 v BZ U Fes dv Jv ev Fi 488 05 500 71 Unknown Units 43 74 44 28 Centimeters Fig 4 2 3 Drawing shall be created after survey Pagel2 Fig 4 2 4 Plans shall be created after survey Reporting Result of utility survey using pipe cable locator shall include all necessary information including Survey report name and certificate number of competent person mandatory information survey result recommendation by OMHKIUS Site photographs Information of equipments used e Utility survey dra
5. BBL ner HKSAR China ille Tel 852 2690 3899 Fax 852 2618 4500 Email info uti hk Guideline Amendment Form Please fill in the following form if any error or mistake is found in this manual We thank for your support and appreciate your continuous help in improving this manual Conduit Condition Evaluation CCTV and ME Survey Manhole Internal Condition Survey Utility Survey Pipe Cable Locator Survey PCL Water Leakage Detection and Control Advanced Leakage Detection of Buried Water Carrying Services Affecting Slopes Pipe Rehabilitation by Trenchless Technology GPR Ground Penetrating Radar Survey Flow Study in Drainage Conduit ft 8242 Pipe Condition Surveys by other non destructive methods Data Management for Utility Records Utility Management Safety FAST mOmmMoOn D gt Please fill in your contact information in case follow up is needed First Name Second Name Last Name Title Organization Telephone No Email Adress Address i S j Please fill in one or more contact information in the blanks provided This amendment form is available at www uti hk Page34 Page35 This is a blank page Any opinions findings conclusion or recommendations expressed in this material any event organized under this project do not reflect the view of the Government of the Hong Kong Special Administrative Region or the Vetting Committee for the Professional Service Development Assistance Scheme
6. Depth changes 2200M Cable Locators 3M Telecommunications Non metallic pipes Pipeline paths Bends Tees Service stub Road crossings End of pipe Depth changes 2200M Cable Locators 3M Telecommunications Page26 Colour code of 1D Ball Markers 1D Marker Color Code Blue Storm Sewer Green CATV Black amp Orange Benefits of EMS iD Marking System 1 Protects Facility 2 Improves Safety 3 Improves Productivity 4 Quick and positive correlation to facility records Asset Management 5 Quick and positive identification of facilities in the absence of records 6 Insures field personnel are aware of facility owner information 7 Extremely accurate effective in severe conditions 8 Reduces accidents damage rework 9 Prevention based solution Page27 EMS iD Marking System with GPS Application The GPS communications capability that is being added to the functionality of some Locators is a software upgrade for new units and is also available to existing units in the field from an internet downloadable program from the manufacturer s website This enables the EMS iD locator to communicate using standard device interfaces to hand held field GPS receivers to share information Specific functionality is detailed as The EMS 1D locator is connected to the GPS receiver via a serial cable that has a null modem in it When a field technician fills facility data into 1D Markers or reads information from t
7. RPUS Ground Penetrating Radar Survey The purpose of utility GPR survey is to find out the alignment and depth of the underground services The result of GPR survey is presented in the form of synthetic graph The interpretation of the result depends on the operator OMHKIUS and checker MHKIUS Reporting The result shall be presented in a plan indicating the alignment and the depth of the cable conduits The synthetic graph generated by the GPR shall be kept for record Result of GPR Survey shall include all necessary information including Survey report mandatory information result of investigation OMHKIUS Site location plan e Survey result drawing by MHKIUS GPR radargram e Site photographs Information of equipment used Report by RPUS Pagel4 4 3 Centralized data for future use A centralized database facilitates the exchange of information between the utility undertakers and companies The database can provide a more comprehensive and updated utility information to who would carry out utility related works or excavation works This prevents damage to utilities by reckless excavation The utility data can be retrieved easily which facilitate the maintenance works An effective exchange of data relies on the cooperation of all the stakeholders The utility undertakers both private undertakers and government departments and utility companies shall provide their information so that every entity i
8. Utility Survey p Create Plan f Year IE AME PU don F Type M Manhole amp Layer ll Manhole Details Pipe Comments Sketch amp Photos Layer Selection d COVER 1r Dimension mm Please select Layer for Editing Shape D Hinged N Lock N Duty M 525 x 525 i Layer Name SHAFT Foul Water Manhole Side Entry N Regulat Courses o Depth 0 ea CHAM Soffit Type nov Steps fo Ladders jo Landings o Depth 268 eneste nm lan Depth of 10 Depth of 5 Height of Cover Level 3 751 Flow mm Silt mm Surch mm im 3 d p Toxic Atmosphere N Evidence of vermin N Construction Code I UT Cases Extras Conditions UTR J Man Entry Cover N Irons Shaf N N aft UTL 1 Jettina 1 Ladders UTGA Permit to Work C uts IT Risk Assessment Chamber N Benching N Other N Null II On Slope File Edit View Insert Selection Tools Window Help 1 294 Dimension mm CCC A H ee amp K E KKS K K R K ER A K K R K R N N K R R KIK EE IDMS 20060606 ppt EE BUDA IDMS v1 ppt amp idms mxd ArcMap Fig 4 2 1 Window for entering information collected by Manhole Internal Condition Survey Computer programmes create overlay drawings They can plot manholes and their connecting pipes on the map according to the information enter
9. Guide to Utility Data Management w s W w ul 340 3 QoL z o N 2 5 S SS 4 DASH LINE 4 years ns eS CO O ole z er iN ae Z p d gt g W 1 gt ua I gave gt 7 gt gt e 4 yY gt gt i Se EE e L E Sa SEE ee 9 Q 1 caer Be 3 k OG O re 4 z c gt wu cauere p gt Publisher Funding Organization UTILITY A k gt COMMERCE AND ECONOMIC _ TRAINING te DEVELOPMENT BUREAU THE INSTITUTE lt GOVERNMENT OF HONG KONG SPECIAL BAG p ADMINISTRATIVE REGION Accreditation organizations Supporting organization FREE Hong Kong Institute of Utility Specialiststong Kong Utility Research Centre Development Centre th KALIENSBEPG CCPC iE Acknowledgements The authors would like to acknowledge the financial fund under Professional Service Development Assistance Scheme PSDAS of Commerce and Economic Development Bureau The Government of the Hong Kong Special Administration Region as well as technical support of Hong Kong Institute of Utility Specialists FEE and Hong Kong Utility Research Centre F FARE HETT Has well as their company members Additionally the support of relavant government departments should be acknowledged for their contribution to the information related to operation standards and contract requirements List of Company Members of HKIUS according to alphabet 1 APC Surveying amp Bu
10. NT sccccsssusecsveacsazessscsissicndenedessusiedeveadsntesssdsicsbeadenedessusededeadsateceens 9 AT REP Ol data new NON 9 42 Update of Gata AE SUV eee eee 9 25 Cerrlzed kaos 15 DNS NNEENEN TONN 16 TPM 17 6 UPDATED TECHNOLOGIES ON UTILITY DATA MANAGEMENT herrrrnnnnnnnnnnvnnnnvvvvvnnnnnnnnn 23 6 1 Geographical Information System GIS rrrrrrrrrnnnnrrnnnnnnrrnrrrnnvrrnnnnnnersrnnnnrnnnnnnnnnersnnnrrnnnnnssenssnenne 23 62 Electronic Marker System EM saved 23 e Nl alt NN 29 Appendix A ADDV NS eee 30 Page4 1 INTRODUCTION The underground utility systems in Hong Kong are rather complex but extremely important in supporting the growth of our society Construction maintenance and repair can be extremely difficult As every utility system is laid according to their own requirement and there is no general system governs all the individual system and how they shall be laid under a systematical manner the system is unorganized It is uneasy to predict the alignment of the services Therefore the records of the utilities become an important indication regarding the alignment of the utilities An organized database of the utility system gives convenience to future maintenance upgrade and installation of new utilities within the system Utility system came from various utility undertakers public or private Each of them has their own database and system General type of underground utility systems in Hong Kong include drainage service fresh an
11. ct SE Switch Project The following window will appear Fill in the appropriate fields with the relevant information including 1 Project number 2 Project title 3 Contract number 4 Contract title 5 Commencement date click on the drop down arrow to select the date from a calendar 6 End date click on the drop down arrow to select the date from a calendar 7 Status Project Project No Project Title Contract No Contract Title Commence Date 29 12 2004 End Date 29 12 2004 Status Outstanding Site Work Client Info Ve Project Access we Survey Type Toposurvey a GPR Survey Manhole Survey D WLD Survey CCTY Survey a Other Survey al Utility Survey E Result Recommendation Project Site Boundary Site Number District Location Delete Site Draw Boundary Clear Create Close Fig 5 1 1 Window for project creation Pagel7 One final step remains before the project can be created A boundary for the project site must be defined To do so click on Draw Boundary Then on the main ArcMap window use the drawing tool on the Drawing toolbar to draw a boundary on the map Click on the Create button to create the project and store its relevant information Note that each project must have a unique project number If the project number already exists then the project will not be created Data Entry Data entry is the first step The s
12. ctions to storm foul and combined water sewers Depth below ground shall be annotated at each surface feature and at significant changes of depth Internal dimensions of manholes and invert levels of manholes and their connection pipes Foul sewerage All sewers and sewer connections with invert levels All manholes within the survey area and also immediate upstream or downstream manholes outside the survey area Type and diameter of pipe work Connections to foul storm and combined water sewers Depth below ground shall be annotated at each surface feature and at significant changes of depth Internal dimensions of manholes and invert levels of manholes and their connection pipes Water mains including cooling water mains Pipe routes including fire mains with levels Valves and meter pits o Diameters and material specifications from record Classifications i e salt water fresh water cooling water etc o Owner operator Connections to building Depth below ground shall be annotated at each surface feature and at significant changes of depth o Dimensions and levels of the thrust blocks amp concrete surrounds if available from record or by extensive GPR survey by instruction after PCL survey Internal dimensions of the inspecting valve and meter pits Telecommunications e Cable routes with levels numbers and sizes of ducts o Cable draw pits and manholes e Owner operator Connections to buildings
13. d Data Management System IDMS is a system to provide a centralized database for the management of survey records as well as semi automatic data input and reporting functions The purpose of IDMS is to maintain and manage the vast amounts of treasured data and to provide seamless and verified underground utility information to reduce road opening to make safer excavations and to provide better slope maintenance Different surveys obtain different kinds of information The presentation and storage format also varies There are some general steps that shall be taken for every batch of data Administrator Post to Master Final Verification SDE DEFAULT Normal User Load Survey Import Manhole Data Import Utility Data Import GPR Data Import COTY Data Open Project Import LNC Data Import WLO Data Edit On Screen Check Data Information Consistency Create Project Check Plan a Fig 5 1 IDMS Overall Procedural Flowchart Pagel6 5 1 Data processing Data processing involves project creation project textual information and site boundary update project deletion final verification and master copy update Create Project To start working a project must first be created so that all work done can be designated under one particular project To create a project from the IDMS toolbar from the Project pull down menu select Create Project z Pg Create Project Load Project Manage Proje
14. d salt water supply electricity power gas communication street lighting and government signaling system The utility undertakers keep their records separately This hinders the efficiency of utility works As the city develops the demand for utility services is also growing The number of utility services buried underground is enormous Without comprehensive and accurate record of the location of the utilities there is a higher possibility of damage to utility or accidents caused by excavation works Therefore utility data management is necessary and shall be part of the responsibilities of all utility practitioners A well managed utility system can reduce the cost of maintenance and risk of utility related accidents HKIUS with support from Utility Training Institute UTI and Hong Kong Utility Research Centre HKURC aiming at maintaining a healthy underground drainage system and safe working environment prepared guidelines to provide a standardized process of utility data management in order to promote a good practice for the practitioners Page5 2 OBJECTIVE AND SCOPE Utility data refers to the structural details of the services such as function of the services location diameter material length etc of the services The purpose of this guide is to provide recommendations on good practice of the methods of utility data management to enhance the efficiency of the utility data system A well managed database provides comprehensive info
15. e Depth below ground shall be annotated at each surface feature and at significant changes of depth Number and configuration of cables ducts Dimensions and levels of concrete surrounds if available Internal dimensions of the inspecting cable draw pits and manholes Page Ventilation ducts Grilles and underground ventilation ducts including duct routes levels and sizes Depth below ground shall be annotated at each surface feature and at significant change of depth Electricity e Cable routes and levels Cable draw pits and manholes including those associated with traffic control and street lighting e Voltages classified as Low O Ilkv High below IIkv 66kv and Transmission 132kv or over Connections to buildings Depth below ground shall be annotated at each surface feature and at significant changes of depth o Dimensions and levels of concrete surrounds 1f available Internal dimensions of the inspecting cable draw pits and manholes Cable TV Cable routes with levels and junction boxes Connections to buildings e Depth below ground shall be annotated at each surface feature and at significant changes of depth Dimensions and levels of the inspecting concrete surrounds 1f available Internal dimensions of cable draw pits and junction boxes Combined services ducts e Internal box dimensions of ducts and access points All pipes and cables identified and surveyed as for individual servic
16. e is able to perform the following functions which enable an easier management of the data collected zoom out zoom to full extent zoom to selected feature and switching layer on or off to display essential feature class layer delete existing utility features spatially It also allows users to retrieve and update textual data by utility feature selection delete existing GPR features spatially It also allows users to retrieve and update textual data by GPR feature selection This function enables users to create new project features update and retrieve existing project features It also allows users to retrieve and update textual data by project sites selection Page20 Page21 data grouping data counting and basic data calculation like average sum maximum and minimum This function enables users to query tables and fields data by user customized query string in SQL where clause form Spatial Query Ihis function enables users to query multi layer spatial data query spatial data based on selected features and also based on spatial data relationships like intersection containment and overlapping This function enables users to query spatial and attribute data by feature identification on manhole pipe utility features and so fourth eport format instead of cad drawing format Map templates are based on user defined scale and map components selection This function enables users to print interim and final report based on
17. ed Details like manhole reference pipe diameter and function of the pipe are also shown in the plan for easy reference For data storage each batch of manhole records submitted shall be assigned a unique survey filename Each computer programme may store the data in different format The data stored shall be able to be retrieved and searched later on despite the format For quality control computer software can check the consistency and accuracy of the data This option is used to check the consistency of node data and to produce relevant inconsistency reports Any duplication or intersection can also be checked Pagel0 Reporting Result of the manhole internal condition survey shall include all necessary information including 1 Location plan with all the manholes plotted within the survey extent 2 IDMS manhole record card 3 At least 2 photographs location photo and internal photo 4 Condition photos for any other circumstances 5 Corresponding electronic data by computer programme validated by RPUS CCTV survey The purpose of CCTV survey is to investigate any structural or operational defect in the conduit The CCTV video and coding of defects are essential for analysis Coding of defects shall be done on site and to be processed by computer programme either on site or in office Mandatory information shall be entered Each defect code shall be accompanied a photograph captured from the video In order to evaluate the co
18. es Dimensions and levels of the inspecting concrete surrounds 1f available Gas main Pipe routes with levels Valve and meter pits e Diameters material specifications and working pressures Depth below ground shall be annotated at each surfaced feature and at significant changes of depth Dimensions and levels of concrete surrounds 1f available Internal dimensions of the inspecting valve and meter pits Other services Other services including abandoned services which are located during the survey shall be recorded with any available information regarding the identity or type of materials or services Pages 4 STAGES OF DATA MANAGEMENT 4 1 Keeping of data after new installment When new utilities were laid underground records shall be kept by the utility owners The utility owners shall be able to provide the record plan of the new utilities Detailed structural information of the service shall be recorded Besides structural information of the utilities other information such as when the pipe was laid any special circumstances of the surroundings is useful reference for future maintenance works 4 2 Update of data after survey Investigation and maintenance works may carry out periodically to ensure the services are functioning properly Records of such works shall be kept by the owner as well as the agent who carries out the works Any change to the pipe shall be recorded and correspondent update shall be made
19. es all modifications between the current edit session and the master version The reconcile process detects these differences and discovers any conflicts If conflicts exist a message is displayed followed by the conflict resolution dialog box Reconciling happens before posting a version to a master version In addition the reconcile process requires that you are the only user currently editing the version and that you are the only user able to edit the version throughout the reconcile process until you save or post If another user is simultaneously editing the version or attempts to start editing since you have reconciled an error message will inform you the version is currently in use Conflicts Conflicts occur when the same feature topologically related feature or relationship class is modified in two versions the current version being edited and a master version Conflict detection only occurs during the reconciliation process If conflicts are detected a message will appear followed by the conflict resolution dialog box There are two categories of conflicts when the same feature has been updated in each version and when the same feature has been updated in one version and deleted in the other Pagel When conflicts are detected the parent version s feature representation takes precedence over the edit session s representation Therefore all conflicting features in the current edit session are replaced by their representation in
20. he 1D Marker the locator communicates with the GPS receiver to exchange Marker and GPS data The GPS receiver can then export this map file to synchronize with the existing plant facility maps to update the facility maps with the newly recorded 1D Marker position and GIS attribute data EMS 1D System with GPS Application GPS Receiver GPS Positional Coordinates pathan Bein Marker Read Write Data with GPS Coordinates ID Marker ReadMWrite Data ID Marker ReadMWrite Data Mie te ng a CADIGIS Database vasse ha AG ID Marker Data Documented 1D Jo Marker eo oa r d 6 a am as as as as as 3M Innovation Page28 REFERENCES 1 ESRI 2005 Application User Manual for the Integrated Data Management System IDMS GIS Component for Underground Utility Information Center ESRI Hong Kong 2 Hong Kong Institute of Utility Specialists 2011 Specification for Utility Mapping By Non destructive Methods HKIUS Hong Kong 3 Grise S Idolyantes E Brinton E Booth B and Zeiler M 2001 ArcGIS Water Utilities Data Models ESRI California 4 Environment Transport and Works Bureau 2006 Code of Practice on Monitoring and Maintenance of Water carrying Services Affecting Slopes ETWB Government of HKSAR 5 User manual of IDMS UtilityINFO Limited Page29 gt endix A Abbreviations Company Organization Code Descrip
21. ilding Limited 2 BUDA Surveying Limited 3 B P Building amp Engineering Co Ltd 4 EGS Asia Limited 5 Freyssinet Hong Kong Ltd 6 INNO Pipe Engineering Limited 7 Insituform Asia Limited 8 Jetrod Pipeline Consultant and Engineering Ltd 9 Patrick Yuen Underground Detection Company Limited 10 Stanger Asia Limited 11 Toptime Technologies Ltd 12 US amp Associates Consulting Co Ltd 13 UtilityINFO Limited 14 U Tech Engineering Company Ltd Editor in Chief Ir Dr King Wong Editor L M Cheung C C Chui C W Hui W Y So Consultant Ir Spencer Li This guideline is done in May 2011 Page2 FOREWORD After the disastrous landslip of 1994 occurred in Kwun Lung Lau on Hong Kong Island the Government has paid more attention on utility maintenance with particular emphasis on leakage detection of buried water carrying services on both slopes and roads The Government has increased resources and imposed additional legislation on the detection of underground utilities As a direct result the utility profession has been developing rapidly and over the last decade the number of Utility Specialists 48 BA 3 EG HA has grown as the Government s requirements for Competent Persons to carry out the investigations has been implemented in addition Recognized Professional Utility Specialist RPUS 748242485254 has been recognized in recent years However lack of standard surveying methods cent
22. lectronic Marker System EMS Principle of Marker Locating The detector transmits a marker type specific signal to the marker and the marker absorbs stores and discharges the signal energy The detector then detects the signal from the marker There are different types of iD Markers for different usages They are Near surface Marker Ball Marker Mini Marker Full range Marker and Disk Marker Page23 Tone How it works Output 1 The detector transmits the signal to the marker Detector 2 The marker in return absorbs and stores the signal energy 3 After the transmit phase the detector switches to receive mode and then the stored energy in the marker starts to discharge e ar mf C i GA aaa 4 As the signal energy discharges the marker acts asa goil te A transmitter and starts transmitting the signal back to meet gt Marker the detector mrs Signal 5 Once the detector detects the incoming signal from Transmit i the marker it emits a continuous audible tone The Signal tone is strongest when the detector is exactly over the ett marker Also the bargraph will move towards the center of the display and indicate a maximum closed position 6 The cycle is then repeated over and over again until the detector is turned off 2200M Cable Locators 3M Telecommunications Fig 6 2 1 Illustration of the detection process of 1D Ball Marker Source 3M Path Locating
23. ndition of the conduit grading and scoring system are applied Computer programme shall be employed to calculate the scores and final grade of the conduit The whole video record shall also be kept The programme can also check for any contradicting information For example the consistency of the starting and fininshing manholes Reporting Result of CCTV Survey shall include all necessary information including 1 Operator s report background information summary of pipes summary of defects recommendations by OMHKIUS 2 Layout plan 3 Video record video record of the entire inspection 4 Survey result by MHKIUS 5 Photographs general photographs at 5m interval if no defect is found defect photographs capturing defects and defects shall be clearly seen 6 Final grading of internal condition by RPUS Pagel I amp idms mxd ArcMap ArcEditor File Edit View Insert Selection Tools Window Help Deus Baexl o e eal oR e e e x Editor gt Task Create New Feature Taret Jx B Project w Func Priv 2 Slope Report View History Zoom gt Edit Anow ID Angle Setter Oy Delete Feat SA Edit Feat 75 Sketch Properties W 3 Points Intersection TV CCTV Survey fl EditCCTY Delete CCTV E ExportCCTVY EY Excel Report 2 Word Report Inspection Report IS Pipe Grouping M Manhole Survey Draw Manhole by X Y 6 Migrate Imported Data TE Export Manhole 7 Manhole Re
24. nvolved in utility related works can obtain comprehensive and updated information In 2000 8 utility undertakers and Government Departments committed to develop the Electronic Mark Plant Circulation EMPC System a system to request provide utility records electronically The system can automatically compile and transmit electronic utility record drawings by email to the requesting organizations This saves time and effort of both the requesting organizations and the replying organizations i e utility undertakers Joint Utilities Policy Group JUPG targets to provide underground utility records to the concerned parties within 2 hours for emergency incidents EMPC has the following functions 6 Authenticate the identity of requesting organization by electronic certificate Automatically compile and transmit electronic utility record drawings Exchange information by email Electronic document management The EMPC acts as a platform for exchange of information between different parties Organizations requesting utility information by enter location details and period of proposed works into the EMPC system The system sends out e mails automatically to request utility records The organization reply to the request retrieves utility records within the extent of works to compile an electronic drawing using the EMPC system and replies requesting organization automatically by e mail Pagel5 5 DATA MANAGEMENT TOOL The Integrate
25. oftware provides a standard page to enter the collected data The page is similar to or the same as the site data collecting sheets As many of the records are shown in abbreviation it shall be check carefully whether the correct abbreviation is used If the information collected from the site is not clear they shall be clarified Reinvestigation maybe needed if the data are found wrong or unreasonable Verification IDMS geodatabase allows multiple users to edit the same version at the same time Each edit session in ArcMap is its own representation of the version until user saves Saving the edit session applies user s modifications to the version making these changes immediately accessible in the database When multiple users simultaneously edit a version or administrator reconciles two versions conflicts can occur Reconciling is the process of merging two versions Conflicts occur when the same feature or topologically related features are edited by two or more users and the database is unclear about which representation is valid Conflicts are rare but can occur when overlapping geographic areas in the database are edited To ensure database integrity the geodatabase detects when a feature has been edited in two versions and reports it as a conflict ArcMap provides the necessary tools for conflict resolution though user shall make the final decision as to the feature s correct representation Reconcile The Reconcile function merg
26. ormat GIS Data ExportThis function enables users to export data into GIS compatible Tools format like shapefile arc info coverage personal geodatabase Utility DataThis function enables users to validate Utility survey data which Validation Tools jalign with user pre defined rules and issue a Utility validation eport result Page22 6 UPDATED TECHNOLOGIES ON UTILITY DATA MANAGEMENT 6 1 Geographical Information System GIS Today s utilities industry is realizing the benefits of geographic information system GIS technology for engineering construction and operations purposes The typical requirements of these utilities reflect business needs to Update GIS databases with as built data Produce standard and custom map products Integrate computer aided design CAD drawings into the GIS environment e Integrate with other enterprise systems such as work management systems WMSs document management systems DMSs infrastructure management systems IMSs materials management systems MMSs and customer information systems CISs Analyze installed network for capacity planning and capital improvement projects e Manage operations activities such as leaks repairs and inspections GIS relates different information in a spatial context and to reach a conclusion about this relationship GIS helps us to combine information with location reference on the map Different kinds of data in map can be entered into GIS 6 2 E
27. port QD Delete Basemap Area Calculation Pipe Validation H Survey Computation JY CSV Conversion UT Utility Survey amp Create Plan F Cutline Tolerance Cross Section y Utility Report ret N TR apr oT U Y p amp yers a FMH PT SMH PT F VALVE VALVE LNC PT GAS VALVE ATC PT CATY PT ELEC PT HGC PT HKEN PT NTT FT NWT_PT OTHER_PT PCCW_PT PLC PT LAND PT GER PT GPRDET PT F DRAIN DRAIN F MAIN MAIN GAS L 2 L KA UK 10 Ku AK PEOT KANG 7TH RRR RRR RRS SB INF FERRER lt 4 hd faniem Drawing v RX 1 O Alv r Tehome vj 2 z EE AE ER Fig 4 2 2 Window for entering CCTV Survey result Utility Survey The purpose of utility survey is to investigate the location alignment and depth of the utility services The exact location of the underground services such as cables pipes mains as well as surface installations such as manholes fire hydrants shall be recorded Information of each facility shall be entered Computer programme can be employed to create the utility plan Computer programmes are capable of creating the plan automatically using the information entered P120 mxd ArcMap ArcInfo i lel x File Edit View Insert Selection Tools Window Help Oe S s saxa atj sla a r QQSz EO OeD BR OMS SES BBOH Bel M UT T W E Survey Computation GPR Survey LNC Survey
28. ralized monitoring systems and organized management have lead to unsatisfactory investigation results In order to address these issues Hong Kong Institute of Utility Specialists HKIUS Aye HE JE ar targeting the promotion of knowledge and good practice in the utility profession collaborated with Hong Kong Utility Research Centre HKURC and supported by the funding from the Professional Services Development Assistance Scheme PSDAS of HKSAR published a series of guide books and pamphlets in 12 disciplines of the utility profession in order to set standards for the practitioners to follow As part of HKIUS continual effort to enhance the professionalism of the utility profession it is the intention of the series that the quality of the survey can be raised and that utility related incidents can be avoided by performing high quality utility practices Hopefully the resulting benefits can extend to the general public This issue provides good practice of Utility Data Management DM MATE H It states the ways to manage the data of underground utilities so that the system can be properly maintained This document is intended to be used by all personnel involved in the works Mr Zico Kai Yip KWOK PRETE President HKIUS 2010 11 April 2011 Page3 Table of Content FORENT 3 Tabe of COMEN srren 4 LNR HON svevet 5 TS CT IS INI SCOPE NNN 6 gt EY PES Ol UT YUP oa severe erecta E E E E aeadiciaialeadias 7 4 STAGES OF DATA MANAGEME
29. rmation regarding the services including their locations features and conditions Since a large amount of data in different kinds is being processed powerful tools and system shall be employed or established to process the data This document provides standardized processes and recommends the use of systematized information recording systems to minimize errors It aims at providing guidelines for the practitioners to follow and to improve the organization of the data This guide provides information on the data that shall be processed and tools for processing It must be stressed that the guidelines given in this guide are in no way exhaustive and professional judgment must be employed in all cases This guide is intended to be used by all personnel who are involved in the planning commencement and supervision of manhole internal condition survey including contractors utility companies consultants government departments and other parties concerned Page6o 3 TYPES OF UTILITY DATA There are different kinds of utility services serving the community Before the information can be well managed knowing what information shall be collected and stored is important Information that shall be stored is listed below Surface water drainage All drains and drain connections with invert levels All manholes which are within survey area and immediate upstream and downstream manholes outside the survey area Type and diameter of pipe work Conne
30. t Hong Kong Conduit Condition Evaluation Codes High Pressure Water Jetting Hour Hertz Internal Condition Grade Internal Diameter Integrated Data Management System Invert Level International Standards Organization Joint Photographic Experts Group Picture Format Kilo Hertz Kilopascal Company Organization E MHICS Mpa MPEG MSCC OHSAS N PPE ppm i N PSI QA QC Ref RMSE RPUS RTO SCG SOPs SPF SPG SRM STP TTA i N VHS Page32 Meter s Man Entry Manhole Internal Condition Survey Millimetre s Megapascal Motion Picture Experts Group Video Format Method Statement Manual of Sewer Condition Classification UK Occupational Health and Safety Assessment Series Personal Protective Equipment Parts per million Particular Specification Pound Per Square Inch Quality Assurance Quality Control Reference Root Mean Square Error Recognized Professional Utility Specialist Recognized Training Organization Service Condition Grades Safe Operator Procedures Sun Protection Factor Structural Performance Grade Sewer Rehabilitation Manual System Test Pressure Temporary Traffic Arrangement Utility Specialist Video High Speed Company Organization Water Leakage Detection Page33 Utility Training Institute UTI UTILITY Suite 209 Favor Industrial Centre TRAINING 2 6 Kin Hong Street INSTITUTE Kwai Chung New Territories PS 19
31. the parent version If multiple users are editing the same version and conflicts are detected the feature that was first saved the current version s representation 1s preserved by replacing the edit session s feature representation ArcMap ensures database integrity by forcing you to interactively inspect each conflict and resolve the conflict by replacing the feature in the current version with user s edit session s representation Prepare sketch and plan Sketch and plan indicating the services investigated in the area is essential for every survey The software can create the plan or sketch automatically by importing the relevant information The plan can be edited by changing the corresponding information The investigation results layout plan only shall be plotted in 1 100 scales or other scales to be confirmed in Al drawings on the specified grid and datum approved by the Engineer The layout border and title block shall be approved by the Engineer The drawings shall show building lines roads with road names and traffic lane road markings pavement and kerbs and other significant physical features within the investigated area Export of data and creation of report If the survey results are to be presented in a report the data can be exported to create a file in word or excel format for reporting E Microsoft Excel ExpMHXLS xls JEE File Edit View Insert Format Tools Data Window Help la x DEHA SRYV ABE amp 3
32. tion Buildings Department HKSARG CEDD Civil Engineering and Development HKSARG DSD Drainage Services Department HKSARG EMSD Electrical and Mechanical Services Department HKSARG EPD Environmental Protection Department HKSARG T Hong Kong Housing Authority HKSARG HKIUS Hong Kong Institute of Utility Specialists HKURC Hong Kong Utility Research Centre HyD Highways Department HKSARG LandsD Lands Department HKSARG LD Labour Department HKSARG PolyU The Hong Kong Polytechnic University UTI Utility Training Institute WRc Water Research Centre WSAA Water Services Association Australia WSD Water Supplies Department HKSARG WTI Water Training Institute Others Code Description Percentage MP Bitmap Picture Format BWCS Buried Water Carrying Service CCE Conduit Condition Evaluation CCE CCTV Conduit Condition Evaluation Closed Circuit Television amp Man Entry amp ME Page30 Company Organization CCES CCTV D Q COP Q J P DVD s va GIS EPR etc G E HKCCEC HPWJ T CG J IDMS SO JPEG Z kPa Page31 Conduit Condition Evaluation Specialists Closed Circuit Television Compact Disc Cover Level Code of practice Competent Person Nominal Diameter Design Pressure Digital Versatile Disc Exempli Gratia Geo Information System Environmental Protection Requirements et cetera Ground Level Heigh
33. to the original record If it is found that the information of the record plan does not match the actual situation during investigation the service perhaps had been moved without notice to the utility owner The actual situation shall be recorded and informed to the respective Utility Undertakers UU The respective UU shall survey the utility cable duct pipe on site update the record drawings in question and remove abandoned utility services on site if necessary The purpose of different survey is different and so it provides different information The result of the survey conducted shall be firstly reported and then entered to a database for records To ensure the accuracy the data shall be checked and verified to avoid conflicts or inconsistency among the data before the release of final result Manhole internal condition survey The purpose of manhole survey is to investigate the condition of manhole Details and defects if any of manhole will be recorded on a manhole card on site Information recorded shall include the location structural features connections and sketch of the manhole Page9 Bassa MEIR Manhole X oe EE E EAT MH ID MH36150 MH Ref HK36150503 Survey By Zico Kwok Bii Tesk Cram New Feature Target Location Kin Hong Street Survey Date ae Project Func Priv 2 Slope Report View History Zoom Edit StId Ref g 815516 NN PransgeCode Survey Computation 7 CSV Conversion UT
34. user default templates and survey type selection This function enables users to print appendix information in crystal eport format and PDF format based on user selection Data Capture Traverse This function enables users to perform traverse calculation on the Calculation Tools total station log files Features This function generates point linear and polygon features Generation Tools jautomatically based on users look up tables and total station log files with standard feature codes Manhole Data This function enables users to capture existing manhole data in Capture Tools XLS TXT and STC25 data formats CCTV DataThis function enables users to capture existing CCTV data in Capture Tools inCAD MDB and Examiner DAT data formats CCTV PhotoThis function enables users to capture defect images from the Capture Tools CCTV video and then maintain it into database MDB CAD Data T his function enables users to capture existing CAD data in DWG Capture Tools and DGN data formats Upload BS5000 This function facilitates users to upload B5000 data stored in Tools Arc Info coverage format into ArcSDE Data Export Manhole Data T his function enables users to export manhole data in XLS TXT Export Tools and STC25 data format CCTV DataThis function enables users to export CCTV data in WinCAD Export Tools MDB and Examiner DAT data format CAD Data ExportThis function enables users to export spatial data to CAD data in Tools DWG and DGN f
35. wing alignment depth diameter direction drainage services type of the services location of manholes and other related surface installations by MHKIUS Report to be confirmed by RPUS Water leakage detection survey The purpose of water leakage detection is to investigate the structural integrity of the water mains Any leakage of the pipe shall be pinpointed by using different machines and tools Usual methods for water leakage detection are leak noise correlation and mechanical detection Results of the leak noise correlation shall be recorded The graph showing the signs of leakage shall be recorded Experienced operator would determine whether there is any leakage and where is the exact leak location Basic information shall be entered Graph showing the suspected leak location and the final result determined by the operator shall be clearly presented Trial pit may be excavated to verify the result The verified result and any follow up actions shall also be recorded Page13 Reporting Result of leak detection of water mains shall include all necessary information including Layout plan shows the alignment of the pipes and location of manholes o A report consists of mandatory information date and time location total length number of setups of survey and results analysis of results and suspected or confirmed leak location by MHKIUS Photographs of each leak detection setup points Report to the client by
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