Highway D400 manhole cover 450mm diameter clear opening with 100mm frame depth
Standards, classes and groupings
Wrekin Products - Ductile Iron Range Catalogue 2023.pdf
Wrekin Manhole Cover Installation Guide.pdf
Wrekin PSRV Certificate of Conformance.pdf
Wrekin Flood & Odour Control Plate.pdf
NotesAll values stated are nominal within 2.5% tolerance.
National Highways skid resistance requirements
CD 534 v0.1.0 contains changes to skid resistance test requirements that are now based on a WRc test method for BS EN 124-conforming coarse textured cover surfaces. This article guides you through the test and Wrekin's conformance.
Understanding BS EN 124 groups and classes
BS EN 124:2015 divides access covers and gully grates into a number of classes by static test load. It also categorises the various places where they may be installed from Group 1 through to Group 6. This article will guide you through the groups and classes.
Sewers for adoption
Sewers for Adoption (7th edition) contains guidance for the design and construction of sewers that will be adopted by Sewerage Undertakers in England and Wales in accordance with Section 104 of the Water Industry Act 1991. This helpful guide will take you through what you need to know.
1. Wrekin Products Ltd is continually seeking to improve our products and therefore reserves the right to alter product specifications without prior notice.