Current
Civil & Structural Supplement
DMRB: Drainage
Provides design guidance for sumpless gullies, covering application and network, operation and maintenance and includes worked examples.
Drainage. Design. Supersedes CD 527 Drainage. Design. Sumpless gullies (formerly HA 105/17) (HE, 2019) and HA 105/17, DMRB 4.2.3 Geotechnics and drainage. Drainage. Sumpless gullies (HE, 2017). Revision 0 dated Apr 2019 - replaces HA 105/17. Revision 1 dated Mar 2020 - updates references
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