Drainage design and detailing workshop

Summary

This symposium paper (150 Kb PDF) attempts to address the lack of suitable research manuals for the detailed design of linear drainage systems.

Unlike conventional 'point' (gully and pipe) drainage, there are no Department of Transport or Hydraulic Research Manuals for the detailed design of linear drainage schemes.  

The paper identifies three types of linear drainage as defined in the draft European Standard prEN 1433(1):-

Kerb Unit - 'Beany Block'

Slot Unit - 'Max-E-Channel'

Grid Unit - 'Birco'

It tackles the ‘intelligent guess’ approach to determining a suitable rainfall intensity value or storm return period by presenting methods of calculating storm water run-off and flow capacity.

It discusses briefly some of the problems which linear drainage is designed to solve and compares linear drainage with conventional drainage systems. Mention is made of other design aids such as the Beany Block/Max-E-Channel design guide and Marshalls 'Streetscape' CAD package.

 

Primary author(s): N. Beanland C.Eng, M.I.C.E., M.I.H.T., Dip T.E.Highway Engineer

 Source: Marshalls Technical Symposia and Exhibition ‘98

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