IS 11638 : 2025 — Proforma for Estimation of Unit Rate in Construction of Embankment by Mechanical Means ( Second Revision )

What is IS 11638 : 2025?

IS 11638 : 2025 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Proforma for Estimation of Unit Rate in Construction of Embankment by Mechanical Means ( Second Revision ). It falls under the <strong>Civil Engineering Design and Construction</strong> group. Certification under this standard is voluntary.

How to get certified for IS 11638 : 2025

1. 1
   Apply online — Submit the BIS portal application with product details, factory information, and test reports.
2. 2
   Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
3. 3
   Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
4. 4
   Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.

Related Indian Standards

• IS 11399Guidelines for estimating output norms of items of work in construction of river valley projects : Part 1 earthwork excavation
• IS 11590Guidelines for working out unit rate cost of the construction equipment used for river valley projects (First Revision)