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IS 16098:2013 is the Indian Standard (BIS) for unplasticized polyvinyl chloride (upvc) pipes for drainage systems - specification. This standard specifies the requirements for unplasticized polyvinyl chloride (uPVC) pipes used for soil, waste, and ventilation (SWV) systems within buildings and for rainwater management. It outlines the material, dimensional, physical, and mechanical characteristics for two pipe types (A and B) and defines performance tests and marking criteria.
Specifies requirements for uPVC pipes intended for use in drainage systems within buildings.
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Crucially distinguish between Type A (for vent/rainwater) and Type B (for soil/waste) pipes; Type B has a thicker wall for greater strength and durability.
! This standard is for above-ground applications inside buildings and on building premises. For underground drainage, refer to IS 15328.
! Ensure solvent cement used for jointing conforms to IS 10151 for leak-proof and durable connections.
Consolidated list per BIS. For the text of each amendment, refer to the BIS portal link above.
uPVCplasticpolyvinyl chloridedrainage pipe
International Equivalents
Similar International Standards
EN 1329-1:2014CEN (European Committee for Standardization), Europe
HighCurrent
Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system
Covers uPVC pipes for soil and waste discharge inside buildings, aligning with IS 16098's Type A pipes.
ISO 3633:2015ISO (International Organization for Standardization), International
HighCurrent
Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings — Unplasticized poly(vinyl chloride) (PVC-U)
International version of EN 1329-1, specifying requirements for uPVC soil and waste pipes within buildings.
ASTM D2665 - 20ASTM International, USA
MediumCurrent
Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings
Specifies requirements for PVC DWV (Drain, Waste, Vent) pipes, but uses a different dimensional system (Schedule 40).
EN 1401-1:2019CEN (European Committee for Standardization), Europe
MediumCurrent
Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system
Covers uPVC pipes for buried/underground drainage, aligning with IS 16098's Type B pipes.
Key Differences
≠IS 16098 categorizes pipes into Type A (for use inside buildings) and Type B (for buried applications), each with different wall thicknesses. EN 1329-1 uses application area codes 'B' (Building) and 'BD' (Building & Drainage), while ASTM D2665 uses a single 'Schedule 40' classification for DWV.
≠The impact strength test (falling weight method) in IS 16098 is conducted at 0°C, similar to EN 1329-1. In contrast, the equivalent test in ASTM D2665 is performed at a much higher temperature of 23°C (73.4°F).
≠IS 16098 mandates a specific color for pipes: Dark Shade Grey (similar to RAL 7011) or Mid Grey (similar to RAL 7037). European standards like EN 1329-1 are more flexible, allowing grey, brown, or orange-brown, while ASTM standards often do not specify color for DWV pipes.
≠While IS 16098 and EN standards define wall thickness based on Standard Dimension Ratio (SDR) series, ASTM D2665 uses the 'Schedule' system (e.g., Schedule 40), which results in significantly different wall thickness requirements for comparable pipe diameters.
Key Similarities
≈All standards specify the same core material: unplasticized polyvinyl chloride (uPVC or PVC-U), without plasticizers, suitable for drainage applications.
≈The fundamental application is identical across all standards: non-pressure, gravity-fed systems for conveying soil, waste, and vent discharges in and around buildings.
≈Key physical performance tests, such as the Vicat Softening Temperature (VST) and Longitudinal Reversion (or Heat Reversion), are required by IS 16098, EN 1329-1, and ASTM D2665, ensuring the material's thermal stability.
≈The standards are designed for plain-ended pipes intended for joining either by solvent cement or with elastomeric ring seals, which are common methods for creating a leak-proof drainage system.
Parameter Comparison
Parameter
IS Value
International
Source
Vicat Softening Temperature (VST)
≥ 79 °C
≥ 79 °C
EN 1329-1:2014
Longitudinal Reversion (at 150°C)
≤ 5%
≤ 5%
EN 1329-1:2014
Impact Strength (TIR at 0°C)
≤ 10%
≤ 10% (for application area B)
EN 1329-1:2014
Impact Strength Test Temperature
0 °C
23 ± 2 °C (73.4 ± 3.6 °F)
ASTM D2665 - 20
Minimum Wall Thickness (110 mm OD Pipe)
3.2 mm (for Type A)
3.2 mm (for SDR 34 / Application area B)
EN 1329-1:2014
Wall Thickness (4-inch pipe, ~114.3 mm OD)
3.2 mm (min for 110mm Type A pipe)
6.02 mm (0.237 in) (for Sch. 40)
ASTM D2665 - 20
Density of Material
1.35 to 1.50 g/cm³ at 27°C
1.35 to 1.56 g/cm³ (from material spec ASTM D1784)
ASTM D2665 - 20
Pipe Color
Dark Shade Grey (RAL 7011) or Mid Grey (RAL 7037)
Color not specified, but typically white or cream in North America.
ASTM D2665 - 20
⚠ Verify details from original standards before use
Key Values7
Quick Reference Values
Pipe Type A ApplicationVentilation pipe work and rainwater applications
Pipe Type B ApplicationSoil and waste discharge systems
Minimum Vicat Softening Temperature79 °C
Maximum Longitudinal Reversion5 percent
Test Temperature for Reversion150 °C
Standard Effective Lengths3 m and 6 m
Default Pipe ColourDark shade of grey
Tables & Referenced Sections
Key Tables
Table 1 - Dimensions of Pipes
Table 2 - Dimensions of Sockets for Solvent Cement Welding
What is the difference between Type A and Type B pipes in IS 16098?+
Type A pipes are intended for ventilation pipe work and rainwater applications, while Type B pipes have a thicker wall and are used for soil and waste discharge systems (Clause 3.2).
What is the Vicat softening temperature for these uPVC pipes?+
The Vicat softening temperature shall not be less than 79°C when tested as per IS 12235 (Part 2) (Table 3).
Are these pipes suitable for underground installation?+
No, this standard is for pipes installed above ground. For underground buried drainage and sewerage systems, refer to IS 15328.
What are the standard lengths of pipes available?+
The standard effective lengths are 3 m and 6 m. Other lengths can be supplied by agreement between the purchaser and the manufacturer (Clause 5.4).