Current
Civil & Structural Supplement
DMRB: Drainage
Provides advice and requirements for the selection and design of vegetated drainage systems, used to convey, store and treat highway runoff.
Drainage. Design. Supersedes CD 532. Vegetated drainage systems for highway runoff (formerly HA 103/06)(HE, 2020). Design manual for roads and bridges (DMRB). Version 0 dated Mar 2020 - replaces HA 103/06. Version 0.1.0 dated November 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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