5179Flood Report_REVISION_2_7Feb2021

 

PROJECT PAGE No
2 PEARSONS RD, COOROY - FLOOD / DETENTION ASSESSMENT é

 

 

 

KATIONAL METHOD — DEVELC PAN SITE DiscHAR CL

eS en Cotkhment map, SET fF -
© Cotkment Area = 183 1b poocsan Pelt 147 ba Ela SH

 

 

e Zmpesvidus Fochias = 5 O% farsasRef b 5 Zye Flan. SA

 

==> Coo kane Coe Bends = ©.73 4 o,7\)9

* Cond aatcienn (Tene + |
. |

 

Thins |

 

 

 

COm 5 hoc Apes, are “re GAB = %/3 aVIAS

AS on Arives2y @ éY% ke. O.5 ~/s3 == 44S) mas StS MS
(20 \n pipe /iged 6%, == 0.5 mas L

TPC i - v

Exterrs/ 5 tt

Bin| shea Hs, @ 1%, = 3 rms (es mA
Edat Saale Noa % lie = 4 mias Mmins_/
Sok pipe/ pat, © gb laf = (FZ atas fh

57 at ey Vet @ Sh eNS afs =0.7mlas, » 16. fnr3
FB (Ale |\@ / np = /- Saas

lf 2 MY < OC. 6 pias

[200 pips from

 

* p= (0.02279 x 1.2X0.78|x% Loc K 1.3/3) 3
+ LCC.00278 Kr-2Z)K0.D K 206 x 199) 0-46]

=| 0.952 Hf 0.775 -e.4€] = WZ 7m, C4 fo (ACerS »)

 

 

° C20 = (0 .CO2TY X/.O5 Xb .78 x ISBEK/3B3)
+ [0.66278 x /.05 |x 0.79% 15/8 X 147) +0. 46]

0.058 4 J0.s36 leg] B.230L (20% neure)

NY

 

© C85 4+ (0.00278 x 0.95 xo 78 «125 x83) .
+ (C6.0827¢7 x09 rXe.79x ILE XK La 0.46]
i.

 

= 0.4%3 - L8392|-6.46] 2 O48 m4 (207%, ihereax )

 

 

* &, Ee O.CORTS ¥ OBO X/E.7E€79|K/1BS = 02504 (20% onetele )
DG OGLE Sy 9 seo

 

 

 

 

 

 

(2 wax GR Arte Bit)