DMRB Volume 4 Section 2 Part 9 (HD 119/15) Geotechnics and drainage. Drainage. Grassed surface water channels for road runoff
Publication Year
2015
Document Status
Withdrawn
Abstract
Details hydraulic and structural design of grassed surface water channel for road drainage. The system consists of a shallow surface water channel that is lined with grass.
Document History
DMRB 4.2.9.
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
Waterloo Road
Dublin 4
NRA
Ireland
