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Stormwater Treatment & Water Quality Management Plan_April2014
Attached to the e-mail REC13/0146 - Response to Information Request - Email 2.
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Log in to see the plans as drawn Callaghan & Toth
TABLE 4.3: Design Features of Stormwater Treatment Systems
Extended
Filter Overall Length Width Total Filter Depth Transition
SYSTEM Detention
S.A. (m2) S.A. (m2) (m) (m) Depth (m) (m) Layers (m)
Depth (m)
Bio Basin 1 25 47 6.25 4 0.8 0.5 0.3 0.3
Bio Basin 2 211 275 0.8 0.5 0.3 0.3
Bio Basin 3 150 202 0.8 0.5 0.3 0.3
Road Bio
10 10 4 2.5 0.65 0.4 0.25 0.1
Basin 1a
Road Bio
15 15 6 2.5 0.65 0.4 0.25 0.1
Basin 1b
Road Bio
10 10 4 2.5 0.65 0.4 0.25 0.1
Basin 2
Bio Swale 1 97 97 80 1.2 0.65 0.4 0.25 0.0
Bio Swale 2 82 82 70 1.2 0.65 0.4 0.25 0.0
Raingardens
(a total of 4 on 24 24 3 2 0.55 0.4 0.25 0.15
site)
Grassed
n/a 150 40 2.5 to 5 n/a n/a n/a n/a
Buffer
55 Lake MacDonald Drive – Stage 1 to 5 pg. 18
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