Post on 28-Dec-2015
description
Check list for Third Party Conformity Assessment for CGD Networks
1 Name of the CGD entity :
2 Address for communication
3 Details of Geographical area:
Name of City/District/ Area Geographical
area
Total pipeline
network
(in sq km) (in km)
Domestic Industry Commercial CNG
Steel:
PE:
Observations Remarks4 Total no. of CGS :
5 No. of Pressure regulating Installations/DPRS (excluding cutomer owned IPRS)
6 Source/sources of Supply of Gas :
7 Maximum operating pressure of the network (Primary, Secondary and Tertieary)
8 No. of mainline isolation valves
9 No. of major crossings (river)
10 No. of cased crossings - Railway/Highways
11 No. of CP stations (TR units)
12 Nearest Facilities
a. Fire station
b. Police station
c. Hospital/Medical
d. Major Industries
13 Is the installation layout with interdistances for CGS available
14 Does the above layout confirms to PNGRB T4S for CGD networks, Table-1
15 Power system details for CGS
a. Transformer rating & type
b. HT/LT breaker Type and Rating
c. DG set details
16 Communication system details from Control room to field locations Generic
Verification of
adequacy of
communincation
a. Telephone
b. VHF / Walkiee Talkie
c. CCTV/Others
Total No. of customers and CNG stations
1
Check list for Third Party Conformity Assessment for CGD Networks
17 Whether following licenses have been obtained
a. Environment Pollution Control Board for Air and Water
b. Weights and Measures approval certificate for consumer meters (Alternatively
verification of PNGRB T4S referenced standard (like EN or OIML)
Verification from
records
c. HF/VHF license
d. Clearance from electrical authorities
e. Statutory approval from local authorities
18 Whether following mannuals/standards are available with the entity
a. EPA 1986 and rules
b. Weights and measure rules Act
c. Operating mannual including start up, shut down and emergency Response and
disaster management plan
d. safety mannual
e. PNGRB Act and other documents as specified in T4S
f. codes to which pipeline has been designed, constructed and maintained
g. Equipment manufacturers mannuals for all equipments
19 Whether risk analysis of the facility has been carried out and recommendations
implemented
20 Whether adequate safety devices / interlocks (like SSV, SRV) have been provided,
tested and documented. Major safety interlocks to be mentioned.
Verification from
records for CGS
and DPRS
21 Whether lines have been painted and separate colours have been provided for
different services
Gas- Golden
Yellow
Water- Green
Air- Blue
22 Whether list of contact persons have been displayed with telephone numbers
23 HSE management system consisting visitors safety brief, accident reporting, do &
don't for customers, ERDMP in place.
2
Check list for TPCA- Appendix-I
Sl. No. List of Activity If No, Implementation
Plan
Time period for
Implementation
Status of Implementation Remarks
1 Verify whether the Pressure Reduction skid CGS installed having
(Active/monitor combination) with a minimum 50% redundancy
including slam shut valve for over-protection and creep relief
valve
Modification of skid 1 year
2 Verify whether the On-line odorization equipment designed to
minimise fugitive emissions during loading, operation and
maintenance
Automated odorization
systems to be used
1 year
3 Verify whether the Height of the vent minimum 3 meters above
working level
Increase height of vent 6 months
4 Verify whether the Gas detectors installed at critical locations Install gas detectors in the
CGS and District Pressure
regulating station
1 year
5 Verify whether Pressure reduction for DRS (active/ monitor
combination) skid installed with minimum 50% redundancy
including two safety devices at least one of then shall be a slam
shut valve for over pressure protection/under-pressure and inlet
and outlet isolation valve?
Modification/replacement 2 years
6 Verify whether Steel reinforced rubber hoses conforming to IS
9573 Type IV
Replacement of all rubber
hoses @ 50,000 per year
6 months
7 Verify whether the pipeline test records, Joint radiography and
cover available in the form of pipebook
To be submitted in stages 3 months
8 Verify whether the HSSE Management system in place To be implemented 6 months
9 Verify following records.....Emergency Repsonse Plan, Disaster
Management Plan and written emergency procedures for an
manned round the clock and equipped with effective
communication system and emergency vehicles fitted with
communication facilities, first aid equipment, fire extinguisher, gas
detectors, repair kits and tools, maps, plans, material safety data
sheet, etc. at its disposal.
Preparation of Emergency
repsonse and disaster
management plan
(ERDMP) as per PNGRB
Regulation on ERDMP
2009
6 months
3
Check list for TPCA- Sub Transmission PipelineSl. No. Parameters Details/Observations Remarks
1 Supply/ Source Point / tap-off point
2 Location of STPL GIS Records
3 Owner of STPL
4 Total length of STPL upto City Gate station (in kms) GIS records
5
Pipeline MOP and MAOP (in barg)
Random check from pressure
records
Schedule- 1A
6 Verification of piping materials and Equipment manufcatured to strandards listed in
Annexure-I and Annexure-II
From records
Schedule- 1B
7 Verify the Welding procedures and welder qualification procedure as per API 1104
8 Verify that all NDT including radiography examination performed. as per API1104
Schedule-1C
9 Check whether valve body, bonnet, cover and/or end flanges and fittings are not
made from Cast iron and ductile iron.
Random check of material test
records
Schedule-1D
10
Verify whether the minimum thickness of pipe constructed is 6.4 mm. If not, then
Quantative Risk Assessment is carried out and the risk level is reduced to ALARP.
From records
11 Verify whether the minimum cover requirements and clearances as per PNGRB
technical standard and specification, Table-3. Random check from Records
12 Veryfy whether the steel casing requirement at road/railways crossing as per
statutory requirement.
From records
13 Verify whether the Hot taps design and construction is carried out as per API
RP2201.
From records
14 Verify the test records post construction are in place. Random check from Records
Schedule-1E
15
Verify that the O&M procedure are developed and followed. O&M written document in place
16 Verify the mode of inspection followed by Entity like patrolling/ line walk/ any other
means?
From records
Schedule-1F
17 Verify there is a system in place for external corrosion protection. From records
18 Verify whether all records related to corrosion control are maintained
4
Check list for TPCA- CGSSl. No. Parameters Details/Observations Remarks
1 Gas Flow Rate
2 ANSI Pressure class (300#, 600#)
3 No. of CGS Attach separate sheet per CGS
4 Location(s) of CGS
5 Verification of Pipeline MOP and MAOP (in barg) Random check from records
6 Verify that the maximum gas velocity in piping does not exceed 20 and 40 m/s before
and after filter respectively under peak flow conditions.
Review Basis of Design
Schedule- 1A
7 Verification of piping materials and Equipment manufcatured to strandards listed in
Annexure-I and Annexure-II
From records
Schedule- 1B
8 Verify the Welding procedures and welder qualification procedure. as per API 1104
9 Verify that all NDT including radiography examination performed. as per API1104
Schedule-1C
10 Check whether valve body, bonnet, cover and/or end flanges and fittings are not
made from Cast iron and ductile iron.
Random check of material test
records
Schedule-1D
11 Whether CGS is installed with configuration specified in PNGRB technical standard
and specification, Table-1
as per Plot layout
12 Verify whether the provisions are made for venting, purging and draining of all
sections of pipework and equipment.
13 Whether the procedure for the electrical equipment / installations are in place and
electrical area classification is carried out as per IS 5572.
From records
14 Verify whether the adequate Instrumentaion and control system are in place. From records
15 Verify whether the pressure sound level does not exceed the limit prescribed by
Environmental Authorities or 110 dBA.
From records
Schedule-1E
16 Verify that the O&M procedure are developed and followed. O&M written document in place
Schedule-1G
17 Verify whether online odorisation equipment has been installed and maintenance is
done?
From records
18 Verify whether all controls are in place to ensure pre-detmined quantity of odorant
dosage.
Random check from records
5
Check list for TPCA- DRS/IPRS
Sl. No. Parameters Details/Observations Remarks
1 Gas Flow Rate
2 ANSI Pressure class (150#, 300#)
3 No. of PRI Attach separate sheet for each
4 Location of PRI(s)
5 Verification of Pipeline MOP and MAOP (in barg) Random check from records
6 Verify that the maximum gas velocity in piping does not exceed 20 and 40 m/s before and
after filter respectively at peak flow conditions.
Review Basis of Design
Schedule- 1A
6 Verification of piping materials and Equipment manufcatured to strandards listed in
Annexure-I and Annexure-II
From Records
Schedule- 1B
7 Verify the Welding procedures and welder qualification procedure. as per API1104
8 Verify that all NDT including radiography examination performed. as per API1104
Schedule-1C
9 Check whether valve body, bonnet, cover and/or end flanges and fittings are not made
from Cast iron and ductile iron.
Random check of material test
records
Schedule-1D
10 Check whether the DRS located belowground or aboveround? From Records
11 Verify whether the vent line is terminated at minimum height of 3 meters above the ground
level.
Random check from Records
12 Verify whether the aboveground DRS/IPRS is installed with proximity not less than 2
meters as per PNGRB technical standard
14 Verify whether the pressure sound level does not exceed the limit prescribed by
Environmental Authorities or 110 dBA.
From records
Schedule-1E
15 Verify that the O&M procedure are developed and followed. O&M written document in place
NOTES: Refer Schedule 1D of CGD technical standard
i.The consumer/customer, shall be responsible for ensuring the separation distances for
customer owned IPRS
ii.Customer IPRS installation shall be independently approved by certified third party agency
before the entity supplies the gas.
iii.Recertification shall be carried out once in 3 years.
6
Check list for TPCA- Steel Distribution Network
Sl. No. Parameters Details/Observations Remarks
1 Verification of total length of Steel Distribution network (in kms) GIS Records
2 Verification of Pipeline MOP and MAOP (in barg) Random check from pressure records
3 Verify the maximum gas velocity in the pipeline network is maximum 30 m/s
under peak flow.
Use of pipeline simulation software
4 Verify if the Cathodic protection system is in place From records
Schedule- 1A
5 Verification of piping materials and Equipment manufcatured to strandards listed
in Annexure-I and Annexure-II
From records
Schedule- 1B
6 Verify the Welding procedures and welder qualification procedure as per API 1104
7 Verify that all NDT including radiography examination performed as per API1104. As per Records. In case non-availability
of 100% records, 5 nos. of joint will
undergo radiagraphy test on random
sample basis across the steel network.
Schedule-1C
8 Check whether valve body, bonnet, cover and/or end flanges and fittings are not
made from Cast iron and ductile iron.
Check from Material Test records
Schedule-1D
9 Verify whether the minimum cover requirements and clearances as per PNGRB
technical standard and specification, Table-3. Random check from Records
10 Verify whether the steel casing requirement at road/railways crossing as per
statutory requirement.
From records
11 Verify whether the Hot taps design and construction is carried out as per API
RP2201.
From records
12 Verify the test records post construction are in place. From Records
13 Verify whether the spacing between valaves on distribution mains are maintained
as per PNGRB technincal standard
GIS records
Schedule-1E
14 Verify that the O&M procedure are developed and followed. O&M written document in place
15 Verify the mode of inspection followed by Entity like patrolling/ line walk/ any other
means?
From records
Schedule-1F
16 Verify there is a system in place for external corrosion protection. Review from Records
17 Verify whether all records related to corrosion control are maintained
7
Check list for TPCA- PE Network
Sl. No. Parameters Details/Observations Remarks
1 Verification of total length of PE Distribution network (in kms) GIS Records2 Verification of Pipeline MOP and MAOP (in barg) Random check from pressure
records
3 Verify the maximum gas velocity in the pipeline network is maximum 30 m/s under peak
flow.
Use of pipeline simulation
software
Schedule- 1A
4 Verification of piping materials and Equipment manufcatured Annexure-I and Annexure-II From records
Schedule-1C
5 Verify the PE fittings are as per ISO 8085 Part-3 / EN 1555-3. From records
Schedule-1D
6 Verify whether the minimum cover requirements and clearances as per PNGRB technical
standard and specification, Table-3. Random check from Records
7 Verify the procedure for Plastic pipe and tubings joints and connections is in place. From records
8 Verify the procedure for Hot taps installation is in place. From records
9 Verify the test records post construction is in place. From records
10 Verify whether the spacing between valaves on distribution mains are maintained as per
PNGRB technincal standard
GIS records or equivalent
records
Schedule-1E
11
Verify that the O&M procedure are developed and followed.
O&M written document in
place
12 Verify the mode of inspection followed by Entity like patrolling/ line walk/ any other means Review from Records
13 Verify whether any PE length exposed to atmoshpere.
14 Check whetehr the condition of transition fitting is safe.
8
Check list for TPCA- Industrial Consumers
Sl. No. Parameters Details/Observations Remarks
1 Verification of total number of Connections (in nos.) GIS Records
2 Verification of Pipeline MOP and MAOP (in barg)
Schedule- 1A
3 Verification of piping materials and Equipment manufcatured to PNGRB technical strandards
and specifications listed in Annexure-I, Annexure-II and Annexure-IV
From records
Schedule-1C
4 Verify the PE fittings are as per ISO 8085 Part-3 / EN 1555-3. Random check from Material test
records
Schedule-1D
5 Verify the procedure for Plastic pipe and tubings joints and connections is in place. From records
6 Verify the procedure for Hot taps installation is in place. From records
7 Verify whether the location of customer's meter and regulator installation are made safe
manner.
Random check from records
8 Verify whether the Gas service line is installed with depth of cover not less than 600 mm.
9 Verify the test records post construction is in place. From records
Schedule-1E
10 Verify that the O&M pprocedure are developed and followed. O&M written document in place
Schedule-1F
11 Verify there is a system in place for external corrosion protection. Review from records
NOTES: Refer Schedule 1D of CGD technical standard
i.The consumer/customer, shall be responsible for ensuring the separation distances for
customer owned IPRS
ii.Customer IPRS installation shall be independently approved by certified third party agency
before the entity supplies the gas.
iii.Recertification shall be carried out once in 3 years.
9
Check list for TPCA- Domestic and Commercial Consumers
Sl. No. Parameters Details/Observations Remarks
1 Verification of total number of Connections (in nos.) GIS Records or Equivalent
records (like MIS, etc.)
2 Verification of Pipeline MOP and MAOP (in barg)
3 Verify that the maximum gas velocity is 15 m/s.
Schedule- 1A
4 Verification of piping materials and Equipment manufcatured to PNGRB technical
strandards and specifications listed in Annexure-I, Annexure-II and Annexure-IV
From records
5 Verification of steel reinforced rubber hose to IS: 9573 Type IV From records
Schedule-1C
6 Verify the PE fittings are as per ISO 8085 Part-3 / EN 1555-3. From records
Schedule-1D
7 Verify the procedure for Plastic pipe and tubings joints and connections is in place. From records
8 Verify the procedure for Hot taps installation is in place. From records
9 Verify whether the location of customer's meter and regulator installation are made
safe manner.
Notes as below
10 Verify whether the Gas service line is installed with depth of cover not less than 600
mm.
Random check from
Records
11 Verify the test records post construction is in place. From records
Schedule-1E
12
Verify that the O&M procedure are developed and followed.
O&M written document in
place
NOTES: Refer Schedule 1D of CGD technical standard
i. Total 100 nos. houses will be checked, on random basis across the CGD, for the
varification of aboveground installations.
10
Check list for TPCA- CNG
Sl. No. Parameters Details/Observations Remarks
1 No. of CNG stations Attach a sheet
incorporating all CNG
stations.
a. No. of Mother stations
a. No. of Daughter stations
a. No. of Online stations
2 Location of CNGs Separate map indicating
CNG stations
3 Compression Capacity (Total) From records
4 Verify whether the odorized gas is supplied to CNG stations
5 Verify whether the valid CCOE licence is in place for all CNG stations. Random check from
records
6 Varify whether all local authorities licences, like municipal commissioner, police
commissioner, are in place.
Random check from
records
7 Check whether the Training program for fillers is in place. Review from records
8 Is there system in place for regular work place inspections of sites? Review from records
9 Verify that Emergency response plan for CNG Stations in place. From records
10 Verify whether the system in place for checking cylinder validity before refill. From records
11 Verify whether the Compressor monitoring log are maintained Random check from
records
12 Check whether the Central CNG office is in place for attending complaints.
13 Check whether adequate Stores and inventory levels for Compressor spares for
reducing downtime.
From records
14 Verify whether all distances are maintained as per T4S and Gas cylinder rules 2004. Plot layout. Attach layout
plan with report
15 Verify wheather the max Filling pressure is maintained as per PNGRB Standard and
Gas cylinder rules.
From records
16 Check if the adequate Fire extinguishers are in place as per T4S of PNGRB
17 Verify whether the calibration records of safety devices and pressure releif devices
are maintained
From records
18 Verify that all electrical works and equipment in hazardous areas are made as per
Indian electric rules
From records
19 Verify whether the station is in compliance with pollution control boards( hazardous
waste disposal, dB levels)
From records
11
Check list for TPCA- Safety
Sl. No. Parameters Details/Observations Remarks
Schedule-1D
1 Verify whether the Quantitative Risk assessment is carried out for the installations
within the city limits for the area having steel pipe wall less than 6.4 mm.
Review records
2 Verify whether the pressure control facilities are provided with Over pressure shut-off
valve.
From records or basis of design
documents
3 Verify whether the necessary safety precautions are taken during testing and
commissioning.
From records
Schedule-1E
4 Verify whether the Operation and maintenance procedures affecting the safety of gas
distribution facilities is in place and followed as per PNGRB Technical and safety
standards
From records
5 Verify whether the HSE management plan is in place and processes are defined as
per PNGRB Technical and safety standards
From records
6 Verify whether the Safe Control of Operation process is in place and records are
maintained.
From records
7 Verify whether the GIS based asset management system is in place and database is
updated
If the system is under implementation,
then the entity to provide the time-
based action plan for completion.
Schedule-1G
8 Verify whether the provision is made for eye wash or emegency shower near odorant
handling and injection system.
9 Verify whether the PPEs are used for handling of odorant spillage
12