DMRB: Drainage 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
Publication Year
2020
Document Status
Withdrawn
Abstract
Provides design guidance for surface water channels and outlets. Covers: influencing factors, design process, environmental benefits and includes worked examples.
Document History
Superseded by CD 521 Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06).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 (NHW, 2021). Drainage. Design. 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). Revision 0 dated Aug 2019 - replaces HA 37/17, HA 78/96, HA 113/05, and HA 119/06. Revision 1 dated Mar 2020 - updates references.
Publisher Information
Highways England
Highways England (formerly Highways Agency) was transformed into National Highways in 2021. It was responsible for the operation, maintenance and improvement of England's motorways and major A roads. It was an executive non-departmental public body, sponsored by the Department for Transport.
National Traffic Operations Centre
3 Ridgeway
Quinton Business Park
Birmingham
HE
UK
Website: www.highways.gov.uk
Email: info@highwaysengland.co.uk
Tel: 0300 123 5000
