DMRB: Drainage CD 521 Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06). Version 1.1.0

Publication Year

2021

Document Status

Current

Abstract

Provides design guidance for surface water channels and outlets. Covers: influencing factors, design process, environmental benefits and includes worked examples.

Document History

Drainage. Design. Supersedes CD 521 Revision 1 Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06). Revision 1 (HE, 2020). Supersedes CD 521 Drainage. Design. Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06) (HE, 2019) and HA 37/17 Geotechnics and drainage. Drainage. Hydraulic design of road-edge surface water channels (HE, 2017), HA 78/96 Geotechnics and drainage. Drainage. Design of outfalls for surface water channels (HA, 1996), HA 113/05 Geotechnics and drainage. Drainage. Combined channel and pipe system for surface water drainage (HA, 2005), HA 119/06 Geotechnics and drainage. Drainage. Grassed surface water channels for highway runoff (HA, 2006). Design manual for roads and bridges (DMRB). Version 0 dated Aug 2019 - replaces HA 37/17, HA 78/96, HA 113/05, and HA 119/06. Version 1 dated Mar 2020 - updates references. Version 1.1.0 dated November 2021 - changes made to core document.

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