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IS 3646-2 (1966): Code of Practice for Interior Illumination, Part 2
| Revision Year | Key Changes | Status | |---------------|-------------|--------| | 1966 (First edition) | Original orifice plate method | Withdrawn | | 1976 | Added nozzle calculations | Withdrawn | | 1992 | Major update to material specs | Superseded | | 2008 | Harmonization with ISO 5167-1 | Reaffirmed with amendments | | (2018 + Amd.1) | Clarification on corner tapping location | Active | is 3646 part 5 pdf free
This is a technical document. It specifies how to calculate the efficiency of a lighting system within a room using the British Zonal (BZ) classification method for light fittings.
Older, public-domain versions of IS 3646 Part 1 and Part 2 are available for free viewing on sites like the Internet Archive and Law.Resource.Org . 2. Official Premium Portals (Latest Revisions)
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IS 3646 is a standard that outlines the specifications for building materials, including their quality, testing methods, and performance requirements. The standard is divided into several parts, each covering a specific aspect of building materials.