Appendix C - Flood Report_Sept2020

 

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

 

i

 

Rarioval METHOD — DEVELC PES SITE DiscHAR CX

 

 

© Cthmeat Area = 133\th Tnfeaal + 147bx Extecya/

e Zo pervia as Palins = Sor Fesbleceuntadl & S Zye Exjaned

 

=> Cro kane Koc ents = ©.78 4 €,7/9

e Cond anata Time:

 

Tite nals

 

COm shee T Abs, are gy” os, & Ad ss 3) ans
ve > 4.5) iS} Saas
x

 

 

 

4s an Ow eal: Nie & C Gc CLS ns cd MAS

$20 In pipes act CH = OLY mins 7
Exferns | | CT

B an Cad t nd @ 1% = Sn aS, (es : \
Eat Zack Be a Ce Sg) = & mias Mawie§
Bi pps ppt, © ¢ pC en [5 = 5 alas t
57 a J for @yhe AS as = CCT mAs, 16.fnr9
Fb ov LPG @ / "ys = 13S was

fe <2 O.8 ning

(2.0 try pp froMd ce

oe: = (0.022797 1.2X6.78|x 260 X /8(3)
+ [le E278 Ki-2\ KO. B K 20le Lgg- o4é | :

=| 0.952 tf 6.775 —e.“é] = /.2 7p 45 ja € rE ASE )

 

>
y

 

° CX20 = Co OOLZTY KX/OS &E.IS KISSER]. 33)
4 e.c6278 x 1.05 |x 0.79% ISIS X paD\+o. e]

t C.698 4: Los36 a c.44 Jo 7 3h 26% NOEA

ps

x

NY

 

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(e.Co2T$ x ©: 55 xo 78 «125 x53) .
+ KLOE.& 279 X COS KETIXILE Kha) — 0.46]

*
Oo
deh
St
il

 

 

+ 0.4%3 + | ¢.392\-6 46] + 0.45 mh (20 fh ideneax)

 

 

 

» & se eor7h x BO x6 7S ¥79|K/BS =|6252% (207 needy )
i DG OGLE S/ 9 /Zo

 

 

 

 

RS (C2 aye 4 inerease 20% )

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