DMRB Volume 4 Section 2 Part 4 (HD 137/15) Geotechnics and drainage. Drainage. Hydraulic design of road-edge surface water channels
Publication Year
2015
Document Status
Withdrawn
Abstract
Gives a method of determining the length of road between outlets that can be drained by a given size of surface water channel constructed along the edge of the road. This is applicable to channels of triangular, rectangular or trapezoidal cross section.
Document History
DMRB 4.2.4.
Publisher Information
National Roads Authority
The National Roads Authority's (NRA) primary function, under the Roads Act 1993, was to secure the provision of a safe and efficient network of National roads. They were responsible for the planning and supervision of construction and maintenance, publishing the NRA DMRB and NRA MCDRW. In 2016 the NRA merged with the Railway Procurement Agency (RPA) to form a new organisation, Transport Infrastructure Ireland (TII).
St Martin's House
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Dublin 4
NRA
Ireland