IAF Scope 17
Basic metals and Fabricated Metal products

Raw Materials (plates, sheets, bars, pipes, tubes, forgings, castings)

Stage-wise / Final Inspection

IS 2062:2011

Hot Rolled Medium and High Tensile Structural Steel — Specification

IS 1786:2008

High Strength Deformed Steel Bars and Wires for Concrete Reinforcement

ASTM A36/A36M-23

Standard Specification for Carbon Structural Steel

ASTM A106/A106M-24

Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

ASTM A516/A516M-22

Standard Specification for Pressure Vessel Plates, Carbon Steel

Bought-out Items (fittings, flanges, fasteners, gaskets)

Stage-wise / Final Inspection

IS 1367 (Part 1):2002

Technical Supply Conditions for Threaded Steel Fasteners

IS 1367 (Part 6):2018

Mechanical Properties of Nuts

IS 6911:1992

Steel Flanges for Chemical and Petroleum Industries

ASTM A105/A105M-23

Carbon Steel Forgings for Piping Applications

ASTM A193/A193M-23

Alloy-Steel and Stainless-Steel Bolting Materials

ASTM A194/A194M-23

Carbon and Alloy Steel Nuts

Fabricated Steel Structures (columns, beams, bracings, pipe racks, gratings, frames, hoppers)

Stage-wise / Final Inspection

IS 800:2007

General Construction in Steel — Code of Practice

ASTM A36/A36M-23

Carbon Structural Steel

ASTM A572/A572M-22

High-Strength Low-Alloy Structural Steel

Pressure Vessels

Inspection

IS 2825:1969 (RA 2017)

Code for Unfired Pressure Vessels

ASME Section VIII Div.1-2023

Rules for Construction of Pressure Vessels

Heat Exchangers

Stage-wise / Final Inspection

IS 4682:1975 (RA 2016)

Code of Practice for Heat Exchangers

TEMA – 10th Edition (2019)

Tubular Exchanger Manufacturers Association Standards

Storage Tanks & Bullets

Stage-wise / Final Inspection

IS 803:1976 (RA 2018)

Mild Steel Storage Tanks — Code of Practice

API 650 – 13th Edition (2020)

Welded Tanks for Oil Storage

API 620 – 8th Edition (2013)

Low-Pressure Storage Tanks

Welding

Stage-wise / Final Inspection

IS 7310 (Part 1):2019

Qualification Testing of Welders — Fusion Welding

IS 9595:1996

Metal Arc Welding of Carbon & Carbon-Manganese Steels

ASME Section IX-2023

Welding Procedure & Welder Qualification

IAF Scope 18
Machinery & Equipment

Valves (gate, globe, check, ball, butterfly, control valves)

Stage-wise / Final Inspection

IS 14846:2000

Steel Gate, Globe and Check Valves for Petroleum, Petrochemical and Allied Industries

IS 13095:1991

Butterfly Valves for General Purpose

API 6D – 25th Edition (2021)

Specification for Pipeline and Piping Valves

ASME B16.34–2020

Valves – Flanged, Threaded, and Welding End

Rotating Equipment (pumps, compressors, blowers, fans)

Stage-wise / Final Inspection

IS 5120:1997 (RA 2018)

Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries

IS 9137:1978 (RA 2013)

Industrial Fans — Technical Requirements

API 610 – 13th Edition (2021)

Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries

API 617 – 9th Edition (2022)

Axial and Centrifugal Compressors and Expander-Compressors

Lifting & Handling Equipment (EOT cranes, hoists, slings, shackles)

Stage-wise / Final Inspection

IS 3177:1999 (RA 2017)

Code of Practice for Electric Overhead Travelling Cranes

IS 807:2006 (RA 2018)

Design, Erection and Testing of Cranes and Hoists

IS 2762:2009 (RA 2015)

Wire Rope Slings — Specification

Measuring & Instrumentation Equipment (pressure gauges, flow devices, metering skids)

Stage-wise / Final Inspection

IS 3624:1987 (RA 2017)

Specification for Pressure Gauges

IS 15323:2003 (RA 2018)

Flow Measurement by Differential Pressure Devices

IEC 61298 Series (Latest Edition)

Process Measurement and Control Devices

ASME B40.100–2013

Pressure Gauges and Gauge Attachments

Packages / Skid-Mounted Equipment (pump packages, compressor packages, lube oil skids, chemical injection skids, fuel gas skids)

Stage-wise / Final Inspection

API 610 – 13th Edition (2021)

Centrifugal Pumps (for pump packages)

API 617 – 9th Edition (2022)

Compressors (for compressor packages)

ASME B31.3–2022

Process Piping

ASME Section VIII Div.1–2023

Pressure Vessels (for package pressure components)

IEC / IS Electrical Standards (Latest)

Electrical & Instrumentation Components within Packages

IAF Scope 19
Electrical and optical Equipment

Power Generation & Back up Equipment-Generators, DG Sets

Stage-wise / Final Inspection

IS 4722:2001 (RA 2019)

Rotating Electrical Machines - Specification

IS 13364 (Part-1)-(RA-2018)

Alternating Current Generators

IEC 60034-1:2017

Rotating Electrical Machines – Rating & Performance

Power Generation & Back up Equipment- UPS Systems

Stage-wise / Final Inspection

IEC 62040-1:2017

Uninterruptible Power Systems (UPS) Safety Requirements

Power Transmission Equipment - HV cables, overhead lines

Stage-wise / Final Inspection

IS 7098 (Part 2):2011

XLPE Insulated Power Cables-Rated Voltage 6.6 kV to 33 kV

IS 7098 (Part 3):1988 (RA 2016)

XLPE Insulated Power Cables - Rated Voltage above 33 kV

IEC 60840:2020

Power Cables with Extruded Insulation-Above 30 kV

IEC 62067:2011

Power Cables with Extruded Insulation-Above 150 kV

Power Distribution Equipment -LV/MV switchgear, panels, DBs

Stage-wise / Final Inspection

IS 8623 (Part 1):1993 (RA 2018)

Low-Voltage Switchgear and Control gear Assemblies

IS 3427:1997 (RA 2018)

AC Metal-Enclosed Switchgear for Rated Voltages above 1 kV

IEC 61439-1:2020

Low-Voltage Switchgear and Control gear Assemblies

IEC 62271-200:2021

AC Metal-Enclosed Switchgear and Control gear

Electrical Machines - Transformers

Stage-wise / Final Inspection

IS 2026 (Part 1):2011 (RA 2016)

Power Transformers – General

IEC 60076-1:2011 (Amendment 2018)

Power Transformers – General

Electrical Machines - Motors

Stage-wise / Final Inspection

IS 325:2018

Three Phase Induction Motors

IEC 60034-1:2017

Rotating Electrical Machines

Power Control & Protection Equipment-relays & isolators

Stage-wise / Final Inspection

IS 3231:2017

Electrical Relays for Power System Protection

IEC 60255-1:2019

Measuring Relays and Protection Equipment

Power Control & Protection Equipment-Circuit Breakers

Stage-wise / Final Inspection

IS 13118:1991 (RA 2016)

High-Voltage AC Circuit Breakers

IEC 62271-100:2021

High-Voltage AC Circuit Breakers

Safety & Grounding Systems- earthing, lightning protection

Stage-wise / Final Inspection

IS 3043:2018

Code of Practice for Earthing

IS 2309:2010

Protection of Buildings and Allied Structures against Lightning

IEC 60364-5-54:2011

Earthing Arrangements and Protective Conductors

IEC 62305-1:2010

Protection against Lightning - General Principles

Utilization Equipment Lighting equipment, Heaters, Drives

Stage-wise / Final Inspection

IS 302 (Part 1):2008 (RA 2017)

Safety of Household and Similar Electrical Appliances

IS 10322 (Part-1): 2012

Luminaires - General Requirements and Tests

IEC 60598-1:2020

Luminaires - General Requirements and Tests

IEC 61800-5-1:2021

Adjustable Speed Electrical Power Drive Systems – Safety

IAF Scope 28
Construction

Quality inspection of Buildings

Stage-wise / Final Inspection (Review of documents, records, Material and Workmanship, Inspection of practices and processes, Service delivery)

NBC 2016

National Building code of India

Volume 1 and 2 – 2022

CENTRAL PUBLIC WORKS DEPARTMENT Specifications

2024

Uniform plumbing code

Quality inspection of Infra works such as Flexible and Rigid pavement, Airports, Elevated corridor, Via duct, Fly overs, Tunnelling, Major and Minor Bridges, Dams, Mass concreting

Stage-wise / Final Inspection (Review of documents, records, Material and Workmanship, Inspection of practices and processes, Service delivery)

MORTH - 2013 5th Revision

Specifications for Road and Bridge works

IS 456- 2000

Indian standard for plain and reinforced concrete

IRC - 44- 2017-Third revision

Guidelines for cement concrete mix for pavements

IRC 15- 2017

Code of practice for construction of jointed plain concrete pavement

IS 1786: 2008

Code of practice for high strength deformed steel bars

IS 4926: 2003

Code of practice for ready mix concrete

IS 4082- 1996

Stacking and storage of construction materials and components at site

IRC- SP- 91-2019

Guideline for road tunnels

Construction safety inspection of buildings and infra works

Stage-wise / Final Inspection (Review of documents / Records, Inspection of construction safety processes and practices)

BOCW ACT – 1996

Building and other construction workers act

BOCW- Central rules – 1998

BOCW- Central rules

IS 3696- 2022

Code of safety for scaffold and ladder

IS 3764 – 2022

Code of safety for excavation works

NBC Part 8 section 2

Requirements for electrical supply for fire and emergency services

IS 2750- 2021

Code of safety for steel scaffolding

IS 4014- 2022

Code of practice for steel tubular scaffolding

EPA- 2025

Environment protection act

2024

Indian Electricity Rules

NBC- Part IV- 2016

National Building code of India

Fire and life safety inspection of buildings as per NBC classification for occupancy groups - Residential, Educational, institutional, Assembly, Business, Mercantile, Industrial, Storage and Hazardous

Stage-wise / Final Inspection (Review of documents / Records, Inspection of Fire and life safety processes and practices, Service Delivery)

IAF Scope 35
Other services

Quantity verification against work done

Stage-wise / Final Inspection

IS 1200- Parts 1 to 28 – 2025

Method of measurement of Building and civil engineering works

Verification of extra and deviated items

SP 27- 2003

Handbook of method of measurement of Building works

Material Reconciliation

IS 10067-2020

Material constants in Building works

Verification of material inventories/ store inspection

IS 4082- 2018

Recommendations on Stacking and Storage of Construction Materials and Components at Site

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