Code of fabrication, Practice for design, testing and installation,
of under- ground /above-ground horizontal cylindrical steel storage
tanks for petroleum products
API 620, 12th Edition 2013, Add. RA 2025
Design and construction of Large, Welded, Low- Pressure Storage
Tanks
API 650- 14th Edition, (2025)
Welded tanks for oil storage
ASME Sec VIII:2025
Rules for construction of
pressure vessels
ASME Sec II: 2025
(A, B, C, D)
Materials & Specifications
Gas Cylinders
Stage-wise /
Final Inspection
ISO 9809-1:2019 ISO 9809-2 & 3:2020
Refillable seamless steel gas cylinders design, construction, and
testing
ISO 11439:2013 RA 2024
High pressure cylinders for the on-board storage of natural gas as a
fuel for automotive vehicles
IS 3196 (Part 1):2013 (RA 2024)
Welded Low Carbon Steel Cylinders
Exceeding 5 Litres Water Capacity for Low Pressure Liquefiable Gases
cylinders for (LPG)- Specification
ISO 4706:2008
RA 2018
IS 15914: 2011 (RA 2021)
IS 19138: 2025
EN 13445-3:2021 Amd. A1:2025
GCR-2016
Gas cylinders – Refillable welded steel cylinders
High Tensile Strength Flat Rolled Steel Plate (Up To 6 Mm), Sheet and
Strip for The Manufacture of Welded Gas Cylinder-Specification
Welded Low Carbon Steel Containers above 250 Litre and Not exceeding
1000 Litre Water Capacity for the Transport of LPG-Specification
Specification for shell and tube type heat exchangers
Pipes (Ductile, Cast Iron,
Carbon Steel, Ferrous,
nonferrous, alloy steel,
Seamless & Welded
(without or with addition
of filler wire)
Stage-wise /
Final Inspection
TEMA: 11th Edition, 2023
IS 8329: 2000 RA-2020
IS 3589: 2001 RA 2022
ASTM A 53: 2024
API 5L, 46th Edition 2023
ISO 2531: 2009 RA 2020
ASTM A 746: 2022
ASTM A 716: 2022
ASTM A 74:2023
The Tubular Exchanger Manufacturers Association
Centrifugally cast (spun) ductile iron pressure pipes for water, gas
and sewage – specification (this & below items belong to SS 17a)
Steel pipes for water and sewage
Seamless and Welded Standard Steel Pipe
Specification for line pipe
Ductile iron pipes, fittings, accessories and their joints for water
applications
Standard Specification for Ductile Iron Gravity Sewer Pipe
Standard Specification for Ductile Iron Culvert Pipe
Standard Specification for Cast Iron Soil Pipe and Fittings
Client Requirements in the form of QAP mentioning
required specification and scope mentioned in this scope. However, the
applicable National & International Codes and Standards shall be
among those which are either referred in the scope statement or shall be
equivalent to the standards described above for the relevant scope
category
IAF Scope 18
Machinery and Equipment
Lubrication, shaft sealing, and oil control systems and
auxiliaries
for rotating equipment (turbines, compressors, pumps,
generators).
Stage-wise /
Final Inspection
API 614: 2022, 6th Edition
Lube Oil System Lubrication, Shaft- sealing and Oil- control Systems
and Auxiliaries, (ISO 10438: 2008, Modified), Includes Errata
(2008)
Machinery and Machine Tools, Blowers, Dryers, Fans, HVAC systems
Valves
Stage-wise /
Final Inspection
API 598:2016 10th Edition 2021
Valve inspection and testing, Tenth Edition
IS 9890: 1981 (RA 2018)
Specification for general purpose valves
EN 12266-1:2018
Testing of metallic valves
API 600: 14th Edition 2021
Bolted bonnet steel gate valves for petroleum and natural gas
industries
API 602: 2022
Compact Steel Gate Valves- Flanged, Threaded, Welding, and Extended-
Body Ends
ASME B16.34:2025
Valves - Flanged, Threaded, and Welding End
Bearings
Stage-wise /
Final Inspection
IS 13962:2018
(RA 2022
Rolling bearings – metric tapered roller bearings – designation
System
API 670: 6th Edition 2025
Machinery Protection Systems
Axial Fans, Blowers, Dryers
Stage-wise /
Final Inspection
IS 4894: 1987 RA 2019
Specification for - centrifugal fans
Pumps
Stage-wise /
Final Inspection
API 674:3rd Edition 2010 (RA 2016)
Positive Displacement Pumps - Reciprocating
API 610, 12th Edition: 2021
API 675
(RA 2021), 3rd Edition, Includes Errata
(June 2014)
IS 5120:1977
(RA 2021)
Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas
Industries
Positive Displacement Pumps-Controlled Volume for Petroleum,
Chemical, and Gas Industry Services
Technical Requirements For Rotodynamic Special Purpose Pumps
ISO 13709:2009 RA 2021
Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas
Industries
IS 6595: Part 1: 2018 (RA 2022)
Horizontal Centrifugal Pumps for Clear, Cold Water —
Specification
Part 1 Agricultural and Rural Water Supply Purposes (Fourth
Revision)
IS 11745: 1986
(RA 2021)
Technical Supply Conditions For Positive Displacement Pumps -
Reciprocating
Compressors
Stage wise / Finished Product Inspection
IS 15661:2006 (RA 2021)
Petroleum, chemical and Gas service industries - centrifugal
compressors
API 618-2016 6th Edition 2024,
Reciprocating Compressors for Petroleum, Chemical, and Gas Industry
Services
ISO 13707: 2000 RA 2020
Petroleum & Natural Gas: Reciprocating gas compressors
Gas Turbine Flow
meter
Stagewise /Finished Product Inspection
IS 15676:2006
ISO 9951:1993
AGA Report No. 7
Flow Measurement of Natural Gas by Turbine Meters.
Measurement of gas flow in closed conduits-Turbine meters
Gas Turbine Flowmeter for Gas Supply Industries
API MPMS Chapter 4
Methods and equipment used to calibrate and verify the
accuracy of flow meters
Client Requirements in the form of QAP mentioning
required specification and scope mentioned in this scope. However, the
applicable National & International Codes and Standards shall be
among those which are either referred in the scope statement or shall be
equivalent to the standards described above for the relevant scope
category
IAF Scope 19
Electrical and Optical Equipment
Electric Motors
Stage-wise /
Final Inspection
IS 12615: 2018
Energy efficient Induction
Motors-Three-phase Squirrel cage
IS 60034-1: 2022
Rotating electrical machines
Transformers
Stage-wise /
Final Inspection
IEC 60076-11:2018 Edition 2
Power transformers – Part 11: Dry- type transformers General
IEC 60076-1: 2011 Edition
IEC 61869-2: 2012 Edition
IEC 61869-3:2011 Edition
Power transformers Part-1 General
Instrument transformers - Part 2: Additional requirements for current
transformers
Instrument transformers - Part 3: Additional requirements for
inductive voltage transformers
IEC 60076-11:2018 Edition 2
Power transformers – Part 11: Dry- type transformers General
IEC 60076-1: 2011 Edition (RA 2004)
Power transformers Part-1 General
IEC 61869-2: 2012 Edition
IEC 61869-3:2011 Edition
Instrument transformers - Part 2: Additional requirements for
current transformers
Instrument transformers - Part 3: Additional requirements for
inductive voltage transformers
MCC, Junction Boxes, Control Panels, Switch Gears
Manufacture of electricity distribution and control apparatus e.g.
Switchgear (HT/LT), Panels, PCC, MCC, APFC VFD, CT, PT, Flame proof
& Weather proof equipment’s, Junction Boxes, Insulated Wire and
Cables, Lighting, equipment’s, Push Button Stations and Electrical
lamps, Outdoor units and IPMS for Telecom sector, Pressure Gauges,
earthing, electrical resistance, Flameproof enclosure, luminaries and
electrical installation2 classification
etc.
Stage-wise /
Final Inspection
IEC 60947-1 2020
Low-voltage switchgear and control gear - Part 1: General rules
IEC 61439-2:2020
IEC 62790: 2020
Low-voltage switchgear and control gear assemblies
Junction boxes for photovoltaic modules - Safety requirements
and tests
IEC 61439-1: 2020
Low-voltage switchgear and
control gear assemblies - Part
1: General rules
IEC 62271-100:2021+AMD1:2024
IEC 62271-200:2021+AMD1:2024
High-voltage switchgear and control gear - Part 100:
Alternating-current circuit-breakers
High-voltage switchgear and control gear - Part 200: AC
metal-enclosed switchgear and control gear for rated voltages above 1 kV
and up to and including 52 Kv
IEC 60947:2025
IS 2071-1:2016 IEC 60060-1:2025
Low-voltage switchgear and control gear – All Parts
Methods Of High Voltage Testing High-voltage test techniques - Part
1: General terminology and test requirements
Manufacture of accumulators, primary cells and primary
batteries like (UPS, Battery, Battery chargers etc.
Stage-wise /
Final Inspection
IEC 60060-2:2025
EN 837-3 :1998
High-voltage test techniques - Part 2: Measuring systems
Stainless steel diaphragm pressure gauges
IS 10322-1: 2014 RA 2019
Luminaries Part 1 General Requirements and Tests
IS 10322-5 (2012) RA 2017
Luminaries Part 1 Particular Requirements
IS 1651:1991
(RA 2018)
Specification for stationary cells
and batteries, lead-acid type
with tubular positive plates
IS 10918:1984
(RA 2018)
Specification For Vented Type Nickel Cadmium Batteries
IS 13314:1992
(RA 2018)
Solid state inverters run from storage Batteries
NFPA 72:2022
National Fire Alarm and Signaling Code
IEC 60584-3: 2021
Thermocouple Extension & Compensating Cable
Manufacture of industrial process control equipment e.g. (PLC, DCS,
CCTV, Fire & Gas detection system etc.)
Stage-wise /
Final Inspection
IS 11360: 2018 RA 2023
Specification for Smoke
Detectors for Use in Automatic Electrical Fire Alarm System
Manufacture of Optical Fibre Cables, Instruments
IEC 60794-1-1:2023
Optical fibre cables - Part 1-1: Generic specification –
General
IAF Scope 31
Transport, storage
LPG Over ground/ Mounded Storage and Bottling Facilities with item
31(v) of NABCB Sub-sector categorization document BCB 503(O&G)
In-service
PNGRB’s F.No. PNGRB/Tech/6-T4SLPG/(1)/2019, the year
2019 along with the latest amendments, national/ international standards
mentioned therein, and
relevant statutes
PNGRB “Technical Standards and Specifications including Safety
Standards for LPG Storage, Handling & Bottling Facilities”
Regulations 2019
Petroleum and Product Pipeline (PPPL) with item 31 (ii) of NABCB
Sub-sector categorization document BCB 503(O&G)
In-service
PNGRB's GSR Infra/T4S/P & PPPL/01/2014 dated
12.02.2016 along with national/ international standards mentioned
therein and relevant statutes and latest amendments
PNGRB's "Technical Standards and Specifications including Safety
Standards for Petroleum and Petroleum Products Pipelines" Regulations,
2016
