Trust & Accreditation
Certificates & Accreditation
NKMPV Research and Development LLP operates under independent third-party accreditation that is the basis on which our test reports are accepted by NHAI, MoRTH, BRO, state PWDs, AAI, BoT/HAM concessionaires and major private contractors across India without further verification.
Primary Accreditation
NABL Certificate TC-14144 (ISO/IEC 17025:2017)
| Certificate Number | TC-14144 |
|---|---|
| Standard | ISO/IEC 17025:2017 — General requirements for the competence of testing and calibration laboratories |
| Issuing Body | National Accreditation Board for Testing and Calibration Laboratories (NABL), a Constituent Board of the Quality Council of India (QCI), under the Department for Promotion of Industry and Internal Trade (DPIIT) |
| Scope | Mechanical, Chemical and Non-Destructive Testing of construction materials including soil, concrete, cement, aggregate, bitumen, steel, masonry; field tests including bridge load testing (IRC SP 51), FWD pavement evaluation (IRC 115), NSV surveys (IRC SP 16), DGPS / topographic surveys |
| Verification | Public NABL directory at nabl-india.org — search by certificate number TC-14144 |
What This Means
Why NABL Accreditation Matters for Construction Testing
NABL accreditation under ISO/IEC 17025:2017 is independent third-party certification that NKMPV's measurement traceability, calibration regime, technical procedures, and quality system have been audited and continue to be surveilled annually. For construction material testing, this means three concrete things:
- Calibrated measurement chain: Every instrument used in our tests carries a current calibration certificate traceable to national standards. Cube compression machines, FWD load cells, NSV laser profilers, DGPS receivers, LVDTs, dial gauges — all on a documented calibration cycle.
- Documented procedures: Each test method follows a written technical procedure that has been audited against the relevant IS / IRC / ASTM / MoRTH code. Reports cite the specific clause for every acceptance computation.
- Audit-defensible reports: NHAI, MoRTH, BRO, state PWDs, AAI, BoT/HAM concessionaires accept NABL-accredited reports without re-verification. Non-NABL reports are routinely rejected at acceptance review, costing 4-6 weeks of project delay plus re-test cost.
See our comprehensive procurement guide for a deeper explanation of how NABL accreditation works in practice and what to verify when engaging any testing lab.
Code Compliance
Standards We Test Against
NKMPV's test procedures are accredited against the following Indian and international standards:
- Concrete: IS 456, IS 516, IS 1199, IS 13311 (Pt 1 UPV, Pt 2 Rebound Hammer), IS 14959, IS 10262 (mix design)
- Cement: IS 4031, IS 8112 (OPC 43), IS 12269 (OPC 53), IS 1489 (PPC)
- Aggregate: IS 2386 (all parts), IS 383 (zone classification), IS 460 (sieve sizes)
- Soil: IS 2720 (all parts including Pt 2 water content, Pt 3 specific gravity, Pt 4 grain size, Pt 5 Atterberg limits, Pt 8 MDD-OMC, Pt 13 direct shear, Pt 16 CBR, Pt 28 sand replacement, Pt 29 core cutter), IS 1888 (plate load test), IS 6403 (bearing capacity)
- Steel: IS 1786 (TMT bar), IS 2062 (structural steel), IS 4948 (welded mesh)
- Bitumen: IS 73, IS 1201-1220, IS 2386 Pt 2/3 (aggregate for bituminous mix), MoRTH Section 500 (bituminous mix design)
- Masonry: IS 3495 (clay brick), IS 1077 (clay brick dimensions), IS 2185 (concrete block), IS 15658 (paver block)
- Highway / Pavement: IRC SP 51 (bridge load test), IRC 115 / ASTM D4694 (FWD), IRC SP 16 / MoRTH RW/NH-33044/32/2019 (NSV), IRC SP 19 (corridor survey), IRC 37 (flexible pavement), IRC 58 (rigid pavement), IRC SP 88 (road safety audit)
Recognition
Reports Accepted Without Re-Verification
NABL TC-14144 carries the ILAC MRA mark, meaning our reports are recognised by:
- National Highways Authority of India (NHAI)
- Ministry of Road Transport and Highways (MoRTH)
- Border Roads Organisation (BRO)
- Central Public Works Department (CPWD)
- Airports Authority of India (AAI)
- All state Public Works Departments (PWDs) including Haryana, Punjab, Himachal Pradesh, Uttarakhand, Rajasthan, Delhi-NCR, Uttar Pradesh, Karnataka, Maharashtra
- BoT and HAM concessionaire performance audits
- State revenue departments for land-acquisition mapping verification
- Urban development authorities (HRERA, GMADA, HUDA, RERA, GMDA, FMDA)
- Private infrastructure contractors and major real-estate developers (DLF, M3M, Embassy, Tata Realty, Adani Realty)
Verify Independently
Verify Our Accreditation Directly
We encourage independent verification. Our NABL accreditation can be verified directly at the official NABL public directory:
NABL Public Search: https://nabl-india.org/ — search by certificate number TC-14144.
For the full scope of accreditation document or a copy of the NABL certificate, contact us at info@nkmpv.com with your project requirement; we will send the documents along with our scope of accreditation.
For media, trade publication and conference enquiries, see our Press & Media Kit.
Ready to Engage NABL-Accredited Testing?
NABL Certificate TC-14144 (ISO/IEC 17025:2017). 40+ accredited test methods. Reports accepted by every central and state agency without re-verification.
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