Changes to the British Standard for Pavement Design

Thursday 9th September, 2021

Tom Emerton is a Pavement Engineering Manager within the Design Team at Marshalls, he has been working alongside industry colleagues and the British Standards Institution (BSI) to produce a new set of standards for the design of pavements.

At the end of August 2021, the British Standards Institute (BSI) updated the British Standard for the design of pavements constructed with natural stone or concrete, affecting the design of all modular paving in the UK.

This new standard, BS 7533-101, updates the existing BS 7533 series by consolidating several design standards into one document. These are BS 7533-1, BS 7533-2, BS 7533-6, BS 7533-7, BS 7533-8, BS 7533-10 and BS7533-12 and any new designs should follow this new Standard.

What do the BSI pavement design changes mean for the industry?

This is good news for the industry, which has grappled with various design codes for the installation of concrete blocks, stone setts as well as concrete and stone slabs, flags and kerb units since the original standards were first published 20 years ago. As public-realm improvement schemes have increased their hard landscaping projects and a more competitive and comprehensive portfolio of products has become available, a consolidated standard aims to remove inconsistencies, reduce errors and promote design expertise.

What are the main changes?

The principal changes involve the collation of the various pavement materials available on the market today, and set out a new selection and design process for each, so that their use for public and private sector designers is simplified and encouraged. The Standard also takes on board the changes to highway pavement design more generally over the last 10 to 15 years so that this new consolidated document can continue to provide definitive best practice.

The move from multiple standards and updating the material selection available means users are confident that they are designing to the best standards possible and are no longer at risk of confusion, design error and failure.

Landscape Architects, local and metropolitan authorities, as well as contractors, suppliers and their design teams will all benefit from adopting these new standards; this document is the only document of its kind in the UK and is the definitive guide in its field.

Upcoming training opportunities in pavement design

We will be developing a series of CPDs covering the various elements of the new standard and how specific job roles will be affected, we hope to have these available by the end of 2021. If you want to find out more about the BS 7533-101 or the upcoming CPD courses then you can email us for more information. In the meantime, further details can be found on the Marshalls website.

Special offer to buy the new BS 7533-101 document

To help promote the adoption of the new guide Marshalls has collaborated with BSI to offer a 10% discount until the 5th December 2021 for anyone buying the BS 7533-101 from the BSI shop. To claim this discount, just enter MARSHALLS7533 at the checkout.

Sign up to receive the latest news in your inbox daily.