NABCB Accredited Inspection Bodies
Stem Intec LLP
Address B-212, 2nd Floor, ITC Park, Tower No. 09, Railway Station Complex, Sector-11, CBD Belapur, Navi Mumbai – 400614, Maharashtra, India
Contact Person Mr. Bhartendu Vimal
Designation CEO & Director
Tel +91 22 27571145
Fax
Email ID bvimal@stemgroup.co.in
Website www.stemgroup.co.in
Accreditation Cert. No.. IB 116
Valid From 16 October 2023
Valid Upto 15 October 2026
Accreditation Standard ISO/IEC 17020:2012
Type of Inspection Body Type A
IAF Scope / Field of Inspection and Specific Item(s) Stage and Range of Inspection(s) Inspection Requirement(s)Standards / Regulations / Methods / Procedures
Number identification with year of publication Title
IAF Scope 17a Basic Metals Products

Structural Shapes – Plates, Coils, Bars, Rods, Sections, Wire rods
Stage-wise/Final inspection BS EN 10083-1:2006 Steels for quenching and tempering. General technical delivery conditions.
IS 2002: 2009 Steel plate for pressure vessel for intermediate and high temperature service including boilers.
IS 4923: 1997 (R2009) Hollow steel sections for structural use-Specification
IS 1732: 1989 (R2004) Steel bars, round and square for structural and general engineering purposes- dimensions.
IS 2062: 2011 Hot Rolled Medium and High Tensile Structural Steel- Specification
IS 10748: 2004 Hot Rolled Steel Strip for Welded tubes & pipes- Specification
EN 47: 2012 Alloy Steel Round Bar.
EN 10025- 1,2,3:2011/SANS 50025 Hot Rolled product of structural Steel.
Welding Consumables Stage-wise/Final inspection AWS A5.15:1990 Specifications for Welding Electrodes and Rods for cast iron
AWS A 5.1/A5.1M: 2002 Specification for carbon Steel electrode for SMAW
Pipe Fittings Stage-wise/Final inspection ASME/ASTM BPVC B16.5, Ed. 2017 Pipe Flanges and Flanged Fittings etc. (1/2” to 24”)
ASME/ASTM BPVC B 16.47, Ed. 2017 Large Diameter Steel Flanges (26” to 60”)
ASME/ASTM B36.10M, Ed. 2021 Welded and Seamless Wrought Steel Pipe
Pipe Fittings Stage-wise/Final inspection ASME/ASTM BPVC B16.1, Ed. 2015 Gray Iron Pipe Flanges and Flanged Fittings, Classes 25, 125 and 250
ASME/ASTM BPVC B16.9, Ed. 2021 Factory- Made Wrought Buttwelding Fittings
ASME/ASTM BPVC B16.11, Ed. 2021 Forged Fittings, Socket Welding and Threaded
ASME/ASTM BPVC B16.15, Ed. 2021 Cast Copper Alloy Threaded Fittings, Classes 125 and 250
ASME/ASTM BPVC B16.20, Ed. 2021 Metallic Gasket for Pipe Flanges
ASME/ASTM BPVC B16.24, Ed. 2016 Cast Copper Alloy Pipe Flanges, Flanged Fittings, and Valves, Classes 150, 300, 600, 900, 1500 and 2500
ASME/ASTM BPVC B16.42, Ed. 2016 Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300
ASME/ BPVC ASTM A 234, 2021 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service.
ASME BPVC/ ASTM A 182, 2021 Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service.
ASME BPVC/ ASTM A 420, 2021 Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service.
ASME BPVC/ ASTM A 403, 2021 Specification for Wrought Austenitic Stainless Steel Piping Fittings.
Tubes Stage-wise/Final inspection IS 1161: 2014 Steel Tubes for Structural Purposes-Specification
ASTM A 178, 2021 Specification for Electric- Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Super heater Tubes.
ASTM A 179, 2021 Specification for Seamless Cold- Drawn Low-Carbon Steel Heat- Exchanger and Condenser Tubes.
ASTM A 192, 2021 Specification for Seamless Carbon Steel Boiler Tubes for High- Pressure Service.
ASTM A 209, 2021 Specification for Seamless Carbon- Molybdenum Alloy- Steel Boiler and Super heater Tubes.
ASTM A 213, 2021 Specification for Seamless Ferritic and Austenitic Alloy- Steel Boiler, Super heater, and Heat-Exchanger Tubes.
ASTM A 214, 2021 Specification for Electric- Resistance-Welded Carbon Steel, Heat-Exchanger and Condenser Tubes.
ASTM A 249, 2021 Specification for Welded Austenitic Steel Boiler, Super heater, Heat- Exchanger, and Condenser Tubes.
Cast Components Stage-wise/Final inspection API 5CT, 2011 Specification for Casing and Tubing.
IS 1030: 1998 Carbon steel castings for general engineering purposes – Specification.
IS 2644: 1994 High strength steel castings for general engineering and structural purposes- specification.
ASTM A 915, 2021 Steel Castings, Carbon and Alloy, Chemical Requirements Similar to Standard Wrought Grades.
ASTM A 958, 2021 Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades.
ASTM A 781, 2021 Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use.
Forged Components Stage-wise/Final inspection IS 2004: 1991 Carbon steel forgings for general engineering purposes- specification.
ASTM A 788, 2021 Standard Specification for Steel Forgings, General Requirement.
ASTM A 336, 2021 Alloy Steel Forgings for Pressure and High-Temperature Parts.
ASTM A 372, 2021 Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels.
ASTM A 473, 2015 Standard Specification for Stainless Steel Forgings.
ASTM A 1049, 2015 Standard Specification for Stainless Steel Forgings, Ferritic /Austenitic (Duplex), for Pressure Vessels and Related Components.
Client Requirements in the form of QAP mentioning required specification & scope mentioned in IAF Scope mentioned under this scope in the certificate, 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.
Scope 17b Fabricated metal products

Pressurized and Unpressurised Vessels & Piping [Other than inspection as per the PESO’s Static and Mobile Pressure Vessels (Unfired) Rules, 2016]
Stage-wise/Final inspection ASME/ ASTM BPVC Sec VIII, Div 1 Ed. 2021 Rules for Construction of Pressure Vessels.
IS 2825: 1969 Code for Unfired pressure vessels.
ASME B 31.3-2016 Process Piping & Piping Skids.
ASME B 31.1-2016 Power Piping & Piping Skids.
Tanks Stage-wise/Final inspection IS 803: 1976 Code of practice for design, fabrication and erection of vertical mild steel cylindrical welded oil storage tanks.
IS 10987: 1992 Code of practice for design, fabrication, testing and installation, of under-ground/ above-ground horizontal cylindrical steel storage tanks for petroleum products.
API 620, 2013 Design and Construction of Large, Welded, Low-Pressure Storage Tanks.
API 650, 2013 Welded tanks for oil storage.
Gas Cylinders Stage-wise/Final inspection ASME Sec VIII 2021 Rules for construction of pressure vessels.
IS 8196: 2004 Steel cylinders for compressed gases (atmospheric gases, hydrogen, high pressure liquefiable gases and dissolved acetylene gases) – code of practice.
ISO 4706-2008 Gas cylinders — Refillable welded steel cylinders.
Pipes Stage-wise/Final inspection IS 8329: 2000 Centrifugally cast (spun) ductile iron pressure pipes for water, gas and sewage – specification.
IS 3589: 2001 Steel pipes for water and sewage.
ASTM A 53, 2021 Seamless and Welded Standard Steel Pipe.
API 5L, 46th Edition Specification for line pipe.
ISO 2531, 2009 Ductile iron pipes, fittings, accessories and their joints for water applications.
Distillation Columns Stage-wise/Final inspection ASME SEC VIII Div 1 2021 Rules for construction of pressure vessels
Heat Exchangers Stage-wise/Final inspection TEMA 10th Edition 2019 The Tubular Exchanger Manufacturers Association.
Client Requirements in the form of QAP & scope mentioned in IAF. Scope mentioned under this scope in the certificate, 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.
Scope 18 Machinery and equipment

Valves
Stage-wise/Final inspection API 598-2016 Tenth Edition Valve Inspection and Testing.
IS 9890: 1981 Specification for general purpose ball valves
API 600, 2015 Bolted bonnet steel gate valves for petroleum and natural gas industries.
API 602, 2015 Compact Steel Gate Valves- Flanged, Threaded, Welding, and Extended-Body Ends.
ASME B16.34, 2013 Valves-Flanged, Threaded, and Welding End.
Pumps Stage-wise/Final inspection API 674, Includes Errata (May 2014), Errata 2 (April 2015) Positive Displacement Pumps – Reciprocating
API 610, 12 th edition 2015 Centrifugal Pumps for Petroleum, Petrochemical & Natural Gas Industries.
API 675, 3rd Edition, Includes Errata (June 2014) Positive Displacement Pumps- Controlled Volume for Petroleum, Chemical, and Gas Industry Services
API 6D-2008 Specification for Pipeline Valves
Gaskets Stage-wise/Final inspection ASTM F 104-11, 2021 Standard Classification System for Non- metallic Gasket Materials
ASTM C-564-14, 2021 Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings.
ASTM D5926 – 15, 2021 Standard Specification for Poly (Vinyl Chloride) (PVC) Gaskets for Drain, Waste, and Vent (DWV), Sewer, Sanitary, and Storm Plumbing System.
IS 4503: 1967 Specification for shell and tube type heat exchangers.
Skid Mounted System Stage-wise/Final inspection GA Drawing General Arrangement Drawing and Specification
Compressors Stage-wise/Final inspection IS 15661:2006 Petroleum, chemical and Gas service industries – centrifugal compressors.
IS 13124: 1993 Reciprocating gas compressors- Technical supply conditions.
API 618, 1995 Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services
Blowers & Fans Stage-wise/Final inspection API 618: 2007 and other applicable codes Reciprocating compressors for – Petroleum, Chemical, and Gas Industry Services
API 673: 2014 Centrifugal Fans for Petroleum, Chemical, and Gas Industry Services
IS 941: 1985 Specification for Blower and Exhauster-For Fire Fighting
Dryers Stage-wise/Final inspection IS 7183: 2007 Compressed-air dryers — Specifications and testing
Client Requirements in the form of QAP & scope mentioned in IAF. Scope mentioned under this scope in the certificate, 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.
Scope 19 Electrical Equipment

Motors
Stage-wise/Final inspection IS 12615: 2018 Energy efficient Induction Motors Three-phase Squirrel cage.
IS/IEC 60034-1: 2004 Rotating electrical machines. Part-1 Rating and Performance
Transformers Stage-wise/Final inspection IS11171: 1985 Specification for Dry-Type Power transformers
IS 2026 Part 1 to 4, 2011 Power transformers
IS 2705 Part 1 to 4, 1992 Current transformers – Specification
IS 3156 Part 1 to 4, 1992 Voltage transformers – Specification
IEC 60076-1: 2011 Power transformers
MCC, Junction Boxes, Control Panels, Switch Gears, Push buttons, Wires, Cables luminaires Stage-wise/Final inspection IS 13947: 2004 Specification for Low voltage switch gear and control gear
IS 8623-1: 1993 Specification for Low-Voltage Switchgear and Control Gear Assemblies, Part 1: Requirements for Type-Tested and Partially Type-Tested Assemblies.
IS 12729: 2004 Common Specification for High- Voltage Switchgear and Control gear Standards.
IEC 61439, 2011 Low-voltage switchgear and control gear assemblies.
IEC 62790, 2020 Junction boxes for photovoltaic modules – Safety requirements and tests.
IEC 61439-1, 2020 Low-voltage switchgear and control gear assemblies – Part 1: General rules.
IS 13947-5: 2004 Low-Voltage Switchgear and Control gear, Part 5: Control Circuit Devices and Switching Elements, Section 2: Proximity Switches [ETD 7: Low Voltage Switchgear and Control gear].
IS 9921: 1985 Specification for Alternating Current Disconnectors (isolators) and Earthing Switches for Voltages above 1000V
IEC 62271, 2021 High-voltage switchgear and control gear.
IS 8623-1: 1993 Specification for Low-Voltage Switchgear and Control gear Assemblies, Part 1: Requirements for Type-Tested and Partially Type-Tested Assemblies.
IS/IEC 60947 -1: 2007 Low voltage switchgear and control gear – Part 1: General Rules.
IS 10322: 2014 Specification for Luminaires Part 1 General Requirements and Tests.
IS1554 Part 1 and 2- 1988 Specification for PVC Insulated (Heavy Duty) Electric Cables.
IS7098 Part-1-1998; Part-2-2011 Specification for Crosslinked Polyethylene Insulated. PVC Sheathed Cables.
UPS, Battery, Battery chargers Stage-wise/Final inspection BIS IS 1651:1991 (R2002) Stationary cells and batteries, lead-acid type with (tubular positive plates) – Specification
BIS IS 10918:1984 (R2003) Specification For Vented Type Nickel Cadmium Batteries.
EN 50091-1-2:1998 Uninterruptible Power Systems (UPS)- Part1-2:General and safety requirements for UPS used in restricted access locations.
IS13314: 1992 Solid state inverters run from storage Batteries – Specification
IEC 62040-1:2017 UPS -Part-1 Safety Requirements
Client Requirements in the form of QAP & scope mentioned in IAF. Scope mentioned under this scope in the certificate, 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.
Scope 28 Construction

Infrastructure/ Construction




Stage-wise/Final inspection
a) Site preparation IS 456: 2000 Plain & Reinforced concrete code of Practice.
b) Building of complete constructions or parts thereof; civil engineering IS 1786: 2008 High strength Deformed steel bars & wires for Concrete Reinforcement – Specification.
c) Building installation IS 383: 2016 Coarse and Fine aggregate for concrete – Specification
d) Building completion EN 598-2004 Sampling and examination of bituminous mixtures for roads and other paved areas.
e) Site Preparation, Building construction /Civil Engineering, Building Installation, Building completion, Construction of transmission towers (Power and Telecommunication) including stringing activities, Civil Engineering, Audit of building construction. IS13920-2016 Ductile Design & Detailing RC Structures subjected to seismic forces – code of Practise.
IS 1343: 2012 Prestressed concrete code of Practice.
Client Requirements in the form of QAP & scope mentioned in IAF. Scope mentioned under this scope in the certificate, 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.
Location Address Key activities performed
Mumbai (Main Office)

B-212, 2nd Floor, ITC Park, Tower No. 09,

Railway Station Complex, Sector-11, CBD Belapur, Navi Mumbai – 400614, Maharashtra, India

Top management functions, quality management system functions, administration & accounts, other key activities.

Inspection contract review, Inspection planning & execution, Inspection personnel authorization & assignment, Issue of inspection reports / certificates.

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