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Withdrawn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Superseded by CD 521 Hydraulic design of road edge surface water channels and outlets (formerly HA 37/17, HA 78/96, HA 113/05, HA 119/06).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 is now known as National Highways and 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 and was formerly known as Highways Agency.
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
