NABCB Accredited Inspection Bodies
TQ Cert Services Pvt. Ltd.
Address Mithona Towers-1, 1-7-80 to 87, Opp. Wesley Co-ed Jr. College, Prenderghast Road, Secunderabad 500003
Contact Person Ms Krishna Datta
Designation Chief of Certification
Tel +91-40-67258800
Fax 040 6631 8806
Email ID krishnadatta@tqcert.in
Website www.tataprojects.com
Accreditation Cert. No.. IB 002
Valid From 28 May 2009
Valid Upto 27 May 2028
Accreditation Standard ISO/IEC 17020:2012
Type of Inspection Body Type A
 

Scopes of Accreditation

Field of Inspection

Type and Range of Inspection

Standards / Regulations / Methods / Procedures

Number identification with year of publication

Title

Scope 17
Basic Metals and Fabricated Metal Products		      
Castings of Metals Stagewise/ Final Inspection IS 1030:2010 Carbon Steel castings for general engineering purpose
Castings of Metals Stagewise/ Final Inspection IS 2644 : 2010 High tensile casting
    ASTM A27/ A27M:2019 Standard Specification for Steel Castings, Carbon, for General Application
Forging, Pressing, Stamping and Roll Forming of Metals: Powder Metallurgy   ASME Section II :2023
Part A
Part B		 Ferrous metals specifications
Non-Ferrous Metal Specifications
Boiler & Boiler Components   IBR:1950 with latest amendment Indian Boiler Regulations
Steam Generators Except Central Heating Hot Water Boilers   ASME Sec. I 2023 Rules for construction of Power Boilers
Pressure Vessels, Unpressurised Vessel and Other Pressurized Items   ASME Section VIII: 2023 Division 1 - Rules for Construction of Pressure Vessels
Pressure Vessels, Unpressurised Vessel and Other Pressurized Items   ASME Section VIII: 2023 Division 2 - Alternative Rules
Pressure Vessels, Unpressurised Vessel and Other Pressurized Items   ASME Section VIII: 2023 Division 3 - Alternative Rules for
      Construction of High-Pressure Vessels
    ASME Section V:2023 Non - Destructive Examination
    ASME Section IX:2023 Welding, Brazing, and Fusing Qualifications
    IS 2825:2007 Code for unfired pressure vessels. Specification for unfired fusion welded pressure Vessels
Heat Exchangers   TEMA 11th Edition:2024 Tubular Exchangers Manufacturers Association
Storage Tanks   IS 803:2010 Code of Practice for design, fabrication and erection of vertical mild steel cylindrical welded oil storage tanks
    API 650:2013 Welded Tanks for Oil Storage or equivalent to the above standards
IAF Scope 18
Machinery and Equipment		      
Steam Turbine Stagewise/ Final Inspection ISO 14661:2000 Thermal turbines for industrial applications (Steam turbines, Gas expansion turbines)- General requirement
    IEC60045-1:2020 Steam turbines - Part 1: Specifications
    ASME PTC 6.2:2011 Steam turbines in combined cycles
Gas Turbine Stagewise/ Final Inspection API 616:2022 Gas Turbines for the Petroleum, Chemical, and Gas Industry Services
Wind Turbine Stagewise/ Final Inspection IS 16589: 2018/IEC 61400-4 : 2012 Wind turbine
Pumps Stagewise/ Final Inspection ISO 9905:1994 /Amd1:2011 Technical specifications for centrifugal pumps Class I
    API 610: 2021 Centrifugal Pumps for Petroleum, Petrochemical, and Natural Gas Industries
Fans Stagewise/ Final Inspection API 673:2014 Centrifugal fans for petroleum, chemical, and gas industry services
    ANSI/AMCA 210:2016 Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating
    BS 848-9:2007 Fans for general purpose
    ISO 5801:2017 Fans performance testing using standardised airways
    IS 4894: 1987
(RA 2009)		 Specification for centrifugal Fans
Compressors Stagewise/ Final Inspection ISO 18740:2016 Turbo compressors performance test code
Packaged, Integrally Geared Centrifugal Air "
    API 672:2019 Compressors for Petroleum, Chemical, and Gas Industry Services
Gear boxes Stagewise/ Final Inspection API 613 : 2021 Special purpose gear units for petroleum, chemical and Gas industry services
    AGMA 6011-I03 :2004 Specification for high speed helical gear units
    AGMA 6013-B16: 2016 Standard for Industrial Enclosed Gear Drives
    ISO 53:1998 Cylindrical gears for general and heavy engineering
Valves Stagewise/ Final Inspection API 6D :2024 Specification for Pipeline valves
    API 598:2023 Valve inspection and testing
    ASME B16.34:2020 Valves-Flanged, threaded and welding end
    API 526: 2017 Flanged steel pressure relief valves
    ISO 15848-1:2015 Industrial valves
    ISO 5208:2015 Pressure testing of metallic valves
IAF Scope 19
Electrical and Optical Equipment		      
Power Transformers Stagewise/ Final Inspection IS 2026:2018
Part 1 to 8
IEC 60076-1:2011		 Power Transformers
    IEC 60076-2:2011 Temp. Rise for Liquid – immersed Transformers
    IS 335:2018
IEC 60296:2020		 Mineral Insulating Oils for Electrical Equipment
    IS 11171:2011
IEC 60076-11:2018		 Dry type power transformers
    IS/IEC 60044-1
IEC 61869-1:2023		 Instrument transformers
    IS 3156:2007
Part 1 to 4		 Voltage Transformers
    IS 2705-1: 1992
RA 2002
IEC 61869-2:2012		 Current Transformer
    IS 1180:2008
Part 1 & 2		 Outdoor type three-phase distribution transformers
    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 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 26
Gas Supply		      
26-A (i)
Gas Supply – Natural Gas Pipeline with Sub-Sector Categoriza tion Document BCB 503 (O&G)		 Stagewise ASME B31.8: 2022 & Client approved ITPs Gas Transmission and distribution Piping systems
26-A (ii)
Gas Supply –Natural Gas Pipeline with Sub-Sector Categorization Document BCB 503 (O&G)		 In-service PNGRB's GSR 808(E) dated 11.11.2009 along with latest amendment national / international standards mentioned therein and relevant statutes PNGRB’s “Technical Standards and Specifications including Safety Standards for Natural Gas Pipelines” Regulations, 2009
26-B (i)
Gas Supply –CGD with Sub- Sector Categorization Document BCB 503 (O&G)		 Stagewise ASME B31.8:2022 & Client approved ITPS Gas Transmission and distribution Piping systems
26-B (ii)
Gas Supply –CGD with Sub- Sector Categorization Document BCB 503 (O&G)		 In-service PNGRB's GSR 612(E) dated 27.08.2008 along with latest amendments, national/ international standards mentioned therein and relevant statutes PNGRB’s “Technical Standards and Specifications including Safety Standards for City or Local Natural Gas Distribution Network” Regulations, 2008
IAF Scope 27
Water Supply		      
Water Collection, Treatment and Supply Stagewise/ Final Inspection IS 1172 : 2007 Code of basic requirements for water supply, drainage and sanitation
Water Collection, Treatment and Supply   IS 3114 : 2009 Code of Practice for Laying of cast iron pipes
    IS 783 : 2011 Code of Practice for Laying of concrete pipes
    IS 4127 : 2011 Code of Practice for Laying of Glazed Stoneware Pipes
    IS 2065 : 2011 Code of Practice for water supply in buildings
    SP 35 Hand Book:1987 Hand book on water supply and drainage
    CP HEEO Manual:1999 Manual on Water Supply and Treatment
IAF Scope 28
Construction		      
Roads& Motorways
Bridges & Tunnels
Utility Projects for Electricity & Telecommunication
Other Civil Engineering Projects		      
Road Bridges Stagewise/ Final Inspection MORTH:2016 Specification for road and Bridge work
    IRC 40:1993 Standard specifications and code of practice for Road Bridges
Concrete Roads   IRC 6:2014 Standard specifications and code of practice for Road Bridges (Load & Stresses)
    IRC-015:2011 Standard specifications and code of practice for construction of concrete roads
Bitumen Road   IRC-SP-53:2010 Guidelines on use of modified bitumen in Road construction
Building, Structure & Transmission Tower Foundations   IS 875 : 2008 Code of practice for design loads
Building, Structure & Transmission Tower Foundations   IS 457 : 2009 Code of Practice for General Construction of Plain and Reinforced Concrete for Dams and Other Massive Structures
    IS 3764 : 2011 Code of safety for excavation work
    IS 1498 : 2011 Classification and identification of Soils for general engineering purposes
    IS 10379 : 2010 Code of practice for field control of moisture and compaction of soils for embankment and subgrade
    IS 456 : 2010 Plain and Reinforced Concrete -
Code of Practice
    IS 3935 : 2008 Code of practice for composite construction
    IS 13311 part 1 & 2 : 2008 Method of non-destructive testing of concrete
    IS 10262 : 2009 Concrete Mix design
    IS 516 : 2008 Test for strength of concrete
    IS 4926 : 2007 Code of Practice Ready-Mixed Concrete
      Client specifications or equivalent to the above standards
IAF Scope 34
Engineering Services (like ERDMP)		      
Emergency Response & Disaster Management Plan (ERDMP) as per 34 (ii) Entire Midstream and Downstream activities in Oil & Gas Sector In-service GSR 39(E) 18/01/2010, along with latest amendment National & International Codes and Standards mentioned therein and relevant Statutes PNGRB’s Codes of Practices for Emergency Response and Disaster Management Plan (ERDMP) Regulations -2010 with latest amendments
IAF Scope 39
Other Social Services		      
Sewage Treatment Plant, (civil works sump, equipment, pumps motors, treated water outlets etc. logistics of treated water and treatment scheme) In-process / Final Inspection IS 1172 : 2009 Code of basic requirements for water supply, drainage, and sanitation
Sewage Treatment Plant, (civil works sump, equipment, pumps motors, treated water outlets etc. logistics of treated water and treatment scheme)   IS 1742 : 2007 Code of practice for Building drainage
Sewage Treatment Plant, (civil works sump, equipment, pumps motors, treated water outlets etc. logistics of treated water and treatment scheme)   IS 4111 : 2009 Code of practice for ancillary structures in sewerage system
Sewage Treatment Plant, (civil works sump, equipment, pumps motors, treated water outlets etc. logistics of treated water and treatment scheme)   IS 5329 : 2011 Sanitary pipe work above ground for building
Sewage Treatment Plant, (civil works sump, equipment, pumps motors, treated water outlets etc. logistics of treated water and treatment scheme)     Product requirement-Civil activities Or equivalent to the above standards

The following offices of   TQ Cert Services Pvt. Ltd. is/are included under accreditation

S.No

Location

Address

Key activities performed


01


Main office


Mithona Towers - 1, 1-7-80 to 87, Opp. Wesley co edu Jr. College, Prenderghast Road, Secunderabad 500003, India


Top management functions, quality management system functions, administration & accounts, other key activities as applicable to main office.

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

02

Branch office

Al Gaith Towers, Office No. 1712, Hamdaan Street, P.O. Box No. 47644, Abu Dhabi

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

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