Civil & Structural Supplement
Provides guidance for designing outfalls and culverts.
Drainage. Design. Supersedes CD 529 Revision 1 Design of outfall and culvert details (formerly HA 107/04). Revision 1 (HE, 2020) and HA 107/04 Geotechnics and drainage. Drainage. Design of outfall and culvert details (HA, 2004). Design manual for roads and bridges (DMRB). Version 0 dated Dec 2019 - replaces HA 107/04. Version 1 dated Mar 2020 - updates references. Version 1.0.1 dated Dec 2021 - changes made to core document.
National Highways is a government company, with responsibility for operating, maintaining and improving motorways and major A roads in England. It works with the Department for Transport and was previously known as Highways England and Highways Agency.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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