5179Flood Report_REV_3

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Callaghan & Toth

 

Gross storage, including normal (un-backwatered) flow profile in swale:

EL(m) A(m2) a(m2) AEL(m) AS (m3) _=S (m3)

101.40 768 448
704 0.20 141

101.20 640 327
583 0.20 117

101.00 526 210
473 0.20 94

100.80 420 116
386 0.20 77

100.60 352 39
344 0.05 17

100.55 336 22
187 0.10 19

100.45 38 3
29 0.05 1

100.40 20 2
12 0.20 2

100.20 3 0

 

Normal (Un-backwatered) flow volume (“Vol”) in swale:

ARI (rs) Nett S Req’d (m3) Approx EL(m) Affected L (m) _ Q (m3/s) A(m2) @ 1m/s
Vol (m3)

 

100 334 101.25 34 0.9 0.9
31
20 243 101.10 29 0.6 0.6

17

5 190 100.95 26 0.4 0.4
10

1 128 100.85 23 0.15 0.15
3

 

2035 2 Pearsons Road — Flood Study — Revision 3 April 2021