IS 1726 : 1991 — Cast iron manhole covers and frames - Specification (Third Revision)

What is IS 1726 : 1991?

IS 1726 : 1991 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Cast iron manhole covers and frames - Specification (Third Revision). It falls under the <strong>Building Materials including Paints</strong> group and is administered by the Ministry of Commerce and Industry. This standard has mandatory certification requirements — products must bear the ISI Mark before they can be sold in India.

Who needs IS 1726 : 1991 certification?

• Domestic manufacturers producing goods covered by this standard
• Importers bringing such products into India for sale
• Any party affixing the ISI Mark or selling certified products in the Indian market

How to get certified for IS 1726 : 1991

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.

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Related Indian Standards

• IS 1742Code of practice for building drainage (second revision)
• IS 4111Code of Practice for Ancillary Structures in Sewerage System: Part 1 Manholes (First Revision)
• IS 5961Specification for cast iron gratings for drainage purposes
• SP 62 : 1997Handbook on causes and prevention of cracks in buildings
• SP 7 : 2016National building code of India: Part 0 integrated approach - Prerequisite for applying provisions of the code
• IS 210Grey iron castings - Specification (Fifth Revision)
• IS 4905Random sampling and randomization procedures (First Revision)