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DMRB Volume 4 Section 2 CD 534 Drainage design. Chamber tops and gully tops for road drainage and services (formerly HA 104/09, IAN 196/17, IAN 197/17)
Publication Year
2022
Document Status
Current
Abstract
Details requirements for road chamber top and gully top installations on all-purpose trunk roads and motorways. Also covers the requirements for existing chamber tops in existing carriageways and the annexes include WRc skid test and a decision tree.
Document History
Version: 0.1.0. Supersedes CD 534. Version 0. Feb 2020. Supersedes HA 104/09, IAN 196/17 and IAN 197/17. Design manual for roads and bridges (DMRB) 4.2.5.
Publisher Information
National Highways
National Highways is an executive non-departmental public body, sponsored by the Department for Transport. It has responsibility for operating, maintaining and improving motorways and major A roads in England. Formerly known as Highways England, between 2015-2021 and Highways Agency, between 1994-2015.