Reservoir aggregate

From LID SWM Planning and Design Guide
Revision as of 18:25, 6 July 2017 by Jenny Hill (talk | contribs)
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Gravel for underdrains and underground infiltration structures should be 50 mm, uniformly-graded, washed stone that has a void ratio of 0.4 (40%).