Articles & Case Studies

Barratt Homes benefits from Polypipe’s drainage engineering expertise

Posted: Friday 15th November 2013

A bespoke drainage solution provided by Polypipe, the UK’s leading manufacturer of plastic sustainable drainage and water management products, has helped developer Barratt Homes achieve a fast Section 104 approval.

Barratt Homes required a drainage solution which could be installed under the main access road of the new development in Castleford, West Yorkshire, whilst conforming to the requirements set by Yorkshire Water and the Specification for Highway Works (SHW).

The original design incorporated a concrete box culvert which would have required a long lead time and substantial equipment to install in the form of a crane and lifting platform. By turning to Polypipe’s water management specialists Barratt Homes achieved an easy to install solution a mere 6% of the weight of alternative concrete products, aiding workers onsite.

The Polypipe solution fitted within the same footprint as the original specification, incorporating a dual run of 1200mm diameter Ridgistorm-XL pipe, and bespoke prefabricated manholes, chambers and fittings, all produced at Polypipe’s state-of-the-art facility in Loughborough.

Polypipe’s Technical team took the drawings and soil investigation report with associated loading information and were able to calculate the exact structural strength of the pipe required. Not only did they value engineer the ring stiffness to 3kN/m2, but they also worked with the design consultant to undertake hydraulic checks to prove the integrity of the system.

Graham Hanna, Owner at Hanna Civil Engineering, said: “Working closely with Polypipe, they delivered a system in line with our project schedule with many benefits over the original specification. The Ridgistorm-XL solution with electro-fusion jointing was lighter and faster to install and required less bedding materials and installation machinery, bringing significant cost savings and health and safety benefits to the project.”

A spokesperson at Barratt Homes, added: “Polypipe worked with us and our consultant to secure Section 104 approval of a new product which provided a cost effective solution and quick installation. We hope to use this product on future developments.”

Emma Nicholls, Marketing Communications Manager at Polypipe, concluded: “The Healdfield Road residential development is a text book example of the time, installation and cost savings developers and groundworkers can achieve by tapping into our teams’ extensive design expertise and understanding of regulatory drainage requirements for residential applications. We were delighted to support Barratt Homes, the design Consultant and Hanna Civil Engineering in this project and look forward to working with them again in the future.”

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