DMRB Volume 4 Section 2 Part 4 (HD 140/15) Geotechnics and drainage. Drainage. Determination of pipe and bedding combinations for drainage works (including amendment No. 1)
Publication Year
2015
Document Status
Withdrawn
Abstract
Gives a method of selecting suitable combinations of drainage pipes and bedding types to meet given loading requirements.
Document History
Superseded by DN-DNG-03070 (TII, 2015). DMRB 4.2.4. June 2015 update - Amendment No. 1.
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).
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