STRENGTH OF MATERIALS LABORATORY has been assessed and accredited in accordance with the standard ISO/IEC 17025:2017 ''General Requirements for the Competence of Testing & Calibration Laboratories'' for its facilities at G10- A, GDN BLOCK, VIT ( INSTITUTE OF TECHNOLOGY), VELLORE CAMPUS, - ROAD, VELLORE, , in the field of TESTING Certificate Number: TC-8015 Issue Date: 03/11/2020 Valid Until: 02/11/2022

This certificate remains valid for the Scope of Accreditation as specified in the annexure subject to continued satisfactory compliance to the above standard & the relevant requirements of NABL. (To see the scope of accreditation of this laboratory, you may also visit NABL website www.nabl-india.org)

Name of Legal Identity : VELLORE INSTITUTE OF TECHNOLOGY, VELLORE, TAMILNADU Signed for and on behalf of NABL

N. Venkateswaran Chief Executive Officer STRENGTH OF MATERIALS LABORATORY, G10- A, GDN BLOCK, VIT (VELLORE INSTITUTE Laboratory Name : OF TECHNOLOGY), VELLORE CAMPUS, KATPADI- THIRUVALAM ROAD, VELLORE, TAMIL NADU, INDIA Accreditation Standard ISO/IEC 17025:2017 Certificate Number TC-8015 Page No 1 of 1 Validity 03/11/2020 to 02/11/2022 Last Amended on -

Component, parameter or Test Method Specification characteristic tested / against which tests are S.No Discipline / Group Materials or Products tested Specific Test Performed / performed and / or the Tests or type of tests techniques / equipment performed used Permanent Facility MECHANICAL- BUILDINGS 1 Concrete Block (Solid / Hollow) Compression test IS 2185 Part 1 MATERIALS MECHANICAL- BUILDINGS 2 Brick Water absorption IS 3495 Part 2 MATERIALS MECHANICAL- BUILDINGS 3 Clay / Fly ash Brick Compression test IS 3495 Part 1 MATERIALS MECHANICAL- BUILDINGS 4 Hardened concrete cube Compression test IS 516 MATERIALS MECHANICAL- BUILDINGS 5 Paver block Compression test IS 15658 MATERIALS MECHANICAL- BUILDINGS 6 TMT bar Percentage of elongation IS 1608 Part 1 MATERIALS MECHANICAL- BUILDINGS 7 TMT bar Tensile strength IS 1608 Part 1 MATERIALS MECHANICAL- BUILDINGS 8 TMT bar Yield stress IS1608 MATERIALS MECHANICAL- 9 MECHANICAL PROPERTIES Ferrous and non ferrous materials (HRBW) Rockwell Hardness IS 1586 Part 1 OF METALS MECHANICAL- 10 MECHANICAL PROPERTIES Ferrous and Non ferrous materials Brinell Hardness IS 1500 Part 1 OF METALS MECHANICAL- 11 MECHANICAL PROPERTIES Ferrous and non ferrous materials (HRC) Rockwell Hardness IS 1586 Part 1 OF METALS MECHANICAL- 12 MECHANICAL PROPERTIES Mild steel rod ,Aluminum,copper Double shear IS 5242 OF METALS MECHANICAL- 13 MECHANICAL PROPERTIES Spring made from circular cross section and wire and bar Compression test IS 7906 Part 2 OF METALS MECHANICAL- 14 MECHANICAL PROPERTIES Spring made from circular cross section and wire and bar Tensile test IS 7907 Part 2 OF METALS

This is annexure to 'Certificate of Accreditation' and does not require any signature.