IS 16017:2013 Part 2 is the Indian Standard (BIS) for water supply in buildings - installation. This code of practice provides guidelines and recommendations for the installation of drinking water supply systems inside buildings. It covers pipework installation, jointing methods, support systems, and the procedure for testing, commissioning, and disinfection of new installations. The standard, an adoption of BS EN 806-2, aims to ensure a safe, hygienic, and efficient water supply by preventing leakage, contamination, and inadequate pressure.
Provides guidance on the installation, testing, and commissioning of water supply systems in buildings.
Overview
- Status
- Current
- Usage level
- Frequently Used
- Domain
- MEP — Plumbing Fixtures and Valves
- Type
- Code of Practice
Also on InfraLens for IS 16017
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Pay close attention to backflow prevention methods (e.g., air gaps, check valves) at cross-connections to avoid contamination of the potable water supply.
! Ensure proper pipe supports are provided as per material-specific tables to prevent sagging, especially for plastic pipes which are more susceptible to temperature effects and UV degradation.
! The hydraulic pressure test must be conducted before concealing any pipework. Witnessing and documenting the test results is crucial for quality assurance.
Frequently referenced clauses
pipesfittingsvalvestankspumpsCPVCUPVCGI
International Equivalents
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International Comparison — Coming Soon
We're adding equivalent international standards for this code.
Key Values6
Quick Reference Values
Minimum test pressure for pipework1.5 times the system design pressure
Maximum recommended flow velocity for cold water2.0 m/s
Maximum recommended flow velocity for hot water1.5 m/s
Minimum air gap for 'Type AA' unrestricted free discharge20 mm or 2 x inlet pipe diameter, whichever is greater
Maximum horizontal support spacing for 25mm (1 inch) CPVC pipe1.0 m
Minimum residual head at highest outletGenerally 0.5 bar (approx 5m), varies by fixture
Tables & Referenced Sections
Key Clauses
Clause 5 - Installation of Pipework
Clause 6 - Testing after Installation
Clause 7 - Commissioning
Annex A - Guidance on Pipe Sizing
Annex B - Prevention of Backflow
Annex C - Disinfection of Systems
Frequently Asked Questions4
What is the test pressure for new plumbing lines?+
1.5 times the system design pressure. The test must be witnessed and documented before any pipework is concealed (Clause 6).
How can I prevent water hammer noise?+
The code recommends keeping water velocity below 2.0 m/s and installing water hammer arrestors near quick-closing valves (e.g., solenoid valves, single-lever mixers).
What is the rule for preventing contamination from a toilet cistern?+
The inlet valve must discharge above the critical water level (spill-over level) of the cistern, creating an 'air gap' to prevent back-siphonage as detailed in Annex B.
Are there rules for pipe installation in walls?+
Yes, pipes in chases should be wrapped or sleeved to allow for thermal movement, protect against corrosion, and facilitate replacement. (Clause 5.3).
QA/QC Inspection Templates
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QA/QC templates coming soon for this code.