FLOOD04994

• County: Statewide
• Community: na
• Basin: Statewide
• Title: Guidelines on Selection of Acceptable Flood Capacity for Dams
• Date: 3/1/2000
• Prepared By: Australian National Committee on Large Dams
• Floodplain - Doc Type: Educational/Technical/Reference Information

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'J.;/:~~ectl,ReviewDiita
~ir:;~~~~~tt~v~~~:;~i~.!if1_i~' /t~~,<

Maps, flood studies, dam data,
rainfalf &. streamllow data, etc.

....

Assess incremental damages
..,

Upstream dams,
catchment, etc.

Initial
Screening

I pAR, PLL, economic, socia
i environ. & servi~e: . .
. [Incre. flood conseq. (mltlal &. 'I
intermediate! semi-emperical)]

PMPs flood frequencies &.
AEP ofDCF

Acceptable conservative AEP of
dam failure from flood

...

Comparison of AEPs of dam failure &
DCF and AFC & SDF (fboard check)

all or some risks
not meel, appare I
or insuff. info.

...

Yes
ego several just
meeting

No

Yes

Detailed (comprehensive)
consequence assessmenl (PLL, econ.,
social, envim., service, etc)

AEP ofDCF &. higher I
I

Total risks
mel

Detailed
Assessment

Delermine AFC &. check
SDF (freeboard check)
!~Risl((edu'~Holl~oPti611s' forallJ
'/"ri'SlcSto 'ad~dJfi~ieDCfes}
:;(a1sett~()4'JigS~f~i@ohs; :~t.~:;
L - - - - - - - - - - - - - - - ". .,! illc1:projec~ eveluatioDSJ',i:;:;:
.. ;,,~.O;'" -', ~. ',- ',S,':',_".1\:'r-:>- ,-...~,;.,<t'.:;"-?,'

Iterative

....>~;ilCtioiiHoiiriana elifenfdeciSib"un'rovemen'f' lariS &' fir'- 'iri~
}~~~~i't!~~~~~1~Itr"~'",,,>, ; f~'~~~/;.t:;;v"::~": :,.~__t:,:.:,~A;~-?f;:~\;i~~;~~' "_/-';., :.~.c:f"~~~'~;~;:4.t,~".

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Fig 6.1 RISK PROCEDURE FOR AFC (Refer Sec. 6.2)
Sub-sellO flow chart in revised RA94; Items relevanllo overall risk process shown shaded

ANCOLD Guidelines on Selection of an Acceptable flood Capacity for Dams

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