Withdrawn
Civil & Structural Supplement
DMRB Volume 4 Section 2
Gives guidance on the hydraulic and structural design of combined channel and pipe systems for highway drainage. The type of system considered consists of a surface water channel and an internal pipe formed within the base of the unit that is able to carry additional flow. Covers safety aspects, description, requirements, design principles, capacity of channel and internal pipe, outlets and outfalls, sub-surface drainage, construction and maintenance aspects.
Superseded by CD 521 Drainage. Design. Hydraulic design of road edge surface water channels and outlets (HE, 2019). DMRB 4.2.6. Design manual for roads and bridges (DMRB).
9780115526473
The Highways Agency is now known as Highways England. The new government company is in charge of operating England's motorways and major A roads, including modernising and maintaining the highways. Their publications include the Design Manual for Roads and Bridges, the Manual of Contract Documents for Road Works and Interim Advice Notes.
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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