BS EN 13476-3:2025: The Ultimate Standard for Non-Pressure Underground Drains and Sewers

Introducing the BS EN 13476-3:2025, a comprehensive standard that sets the benchmark for plastics piping systems used in non-pressure underground drains and sewers. This standard is essential for professionals in the construction and civil engineering sectors who are looking to ensure the highest quality and reliability in their piping systems.

Overview of BS EN 13476-3:2025

This standard provides detailed specifications for structured-wall piping systems made from unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), and polyethylene (PE). It covers pipes and fittings with a smooth internal surface and a profiled external surface, classified as Type B systems. Released on October 9, 2025, this standard is the latest in its series, ensuring that you are working with the most up-to-date guidelines.

Key Features

• Standard Number: BS EN 13476-3:2025
• Pages: 68
• ISBN: 978 0 539 28937 4
• Status: Standard

Why Choose BS EN 13476-3:2025?

The BS EN 13476-3:2025 standard is designed to provide a robust framework for the design, installation, and maintenance of non-pressure underground drainage and sewer systems. Here are some reasons why this standard is indispensable:

1. Comprehensive Specifications

With 68 pages of detailed specifications, this standard covers every aspect of structured-wall piping systems. It ensures that all components, from pipes to fittings, meet the highest quality standards, providing peace of mind and reliability.

2. Versatile Material Options

The standard includes guidelines for three types of materials: PVC-U, PP, and PE. This versatility allows engineers and designers to choose the most suitable material for their specific project needs, ensuring optimal performance and longevity.

3. Enhanced Durability and Performance

The structured-wall design, with its smooth internal and profiled external surfaces, enhances the durability and performance of the piping systems. This design minimizes friction and resistance, ensuring efficient flow and reducing the risk of blockages.

4. Compliance and Safety

Adhering to the BS EN 13476-3:2025 standard ensures compliance with industry regulations and safety standards. This compliance is crucial for avoiding legal issues and ensuring the safety of the infrastructure.

Applications

The BS EN 13476-3:2025 standard is applicable to a wide range of projects, including:

• Residential and commercial drainage systems
• Municipal sewer systems
• Industrial waste management systems
• Infrastructure development projects

Invest in Quality and Reliability

By choosing the BS EN 13476-3:2025 standard, you are investing in a product that guarantees quality, reliability, and performance. This standard is an essential tool for any professional involved in the design, installation, or maintenance of underground drainage and sewer systems.

Conclusion

The BS EN 13476-3:2025 is more than just a standard; it is a commitment to excellence in the field of underground drainage and sewer systems. With its comprehensive guidelines and specifications, it ensures that your projects are built to last, providing safety and efficiency for years to come.

Ensure your projects meet the highest standards by incorporating the BS EN 13476-3:2025 into your planning and execution processes. Experience the difference that quality and precision can make in your infrastructure projects.

BS EN 13476-3:2025

This standard BS EN 13476-3:2025 Plastics piping systems for non-pressure underground drains and sewers. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) is classified in these ICS categories:

• 23.040.01 Pipeline components and pipelines in general
• 23.040.20 Plastics pipes
• 93.030 External sewage systems
• 23.040.05 Pipelines and its parts for external sewage systems

This document, together with EN 13476-1, specifies the definitions and requirements for pipes, fittings and the system based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems that are intended for use in non-pressure underground drains and sewers for foul wastewater. NOTE 1 Products complying with this document can also be used in non-pressure underground drains and sewers for surface water. This document is applicable to pipes and fittings with smooth internal and profiled external surfaces, designated as Type B. This document also specifies test methods and test parameters. This document is applicable to: a) structured-wall pipes and fittings, which are intended to be used buried underground outside the building structure, reflected in the marking of products by “U”; and b) structured-wall pipes and fittings, which are intended to be used buried underground both outside (application area code “U”) and within the building structure, reflected in the marking of products by “UD”. This document is applicable to structured-wall pipes and fittings with or without an integral socket with elastomeric ring seal joints as well as welded and fused joints. This document is applicable to a range of pipe and fitting sizes, materials, pipe constructions, stiffness classes, application areas, tolerance classes and gives recommendations concerning colours. NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.