IS 11639
IS 11639 — Criteria for struc design of penstocks: Part 1 surface penstocks
IS 11639 is an Indian Standard titled Criteria for struc design of penstocks: Part 1 surface penstocks, classified under Civil Engineering Design and Construction and administered by the Ministry of Jal Shakti. Certification is voluntary.
- IS Number
- IS 11639
- Status
- 0
- Certification
- Voluntary
- Ministry
- Ministry of Jal Shakti
- Committee
- Water Conductor Systems
- Type
- Code of Practice
Need ISI Mark certification for IS 11639? Fixed-fee, 6–12 week timeline.
Get a quoteWhat is IS 11639?
IS 11639 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Criteria for struc design of penstocks: Part 1 surface penstocks. It falls under the <strong>Civil Engineering Design and Construction</strong> group and is administered by the Ministry of Jal Shakti. Certification under this standard is voluntary.
How to get certified for IS 11639
- 1Apply online — Submit the BIS portal application with product details, factory information, and test reports.
- 2Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
- 3Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
- 4Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.
Amendments to IS 11639
| Amendment | Year |
|---|---|
| First Amendment | 2008 |
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Fixed fee. End-to-end handling. We manage the entire BIS certification process.