HomeMy WebLinkAboutStormwater - D53A - BIORETENTION UPTURNED ELBOW OUTFALL (PDF) -TYPICAL
BIORETENTION
OR SAND FILTER
CROSS-SECTION
UPTURNED
ELBOW
DAYLIGHT ELEVATION
AND THE
UNDERDRAIN MUST
BE BELOW THE
BIOSAND MEDIA OF
THE LID FEATURE
UNDERDRAIN @
0.50% MIN SLOPE
1.CONTRACTOR SHALL INSTALL BIORETENTION BASINS ACCORDING TO THE APPROVED PLANS AND/OR
CONSTRUCTION SPECIFICATIONS.
2.THIS DETAIL SHALL BE USED IN CONJUNCTION WITH DETAIL D-53 OR D-54. PLEASE REFER TO RAIN
GARDEN/SAND FILTER DETAIL FOR THE BIOMEDIA STRUCTURE.
3.THIS OPTION IS ONLY FOR USE WITH SYSTEMS THAT DO NOT HAVE AN IMPERMEABLE LINER.
NOTES:
30" MIN
12" MAX
18" MIN
4"
8" MIN
APPROVED:
DRAWN BY:DETAILS
CONSTRUCTION DATE REVISED:
DETAILSTORMWATER
BIORETENTION - UPTURNED ELBOW OUTFALL
D-53ADECEMBER 2018
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