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Flood Warning and Damages in Alice Springs: Part 1 Executive Summary. Part 2 Tangible Damages Part 3 Intangible Damages & Emergency Procedures



Flood Warning and Damages in Alice Springs: Part 1 Executive Summary. Part 2 Tangible Damages Part 3 Intangible Damages & Emergency Procedures


Handmer, John; Smith, D. I.; Greenaway, Mark


E-Publications; E-Books; PublicationNT; Report ; 53/1989




Made available via the Publications (Legal Deposit) Act 2004 (NT).





Publisher name

Power and Water Authority

Place of publication

Alice Springs


Report ; 53/1989

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Check within Publication or with content Publisher.

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Technical Report WRA89053 Viewed at 03:02:00 on 18/02/2010 Page 42 of 139. ------~--~-~-.~.--. -- :ess preC1se. Ove:::-all, Tabl.e 2.8 is considered to e:::-r- on :~e conservat~ve side. The =osts ~o police, emergency !erV1Ces, allo~ance for ~ain~aining a flood warning sys~em ~nd the like, have not ~een included. To obtain a figure ~or total floed damages, the lntangib:e losses set o~~ ln ?ar~ 3 should be added ~o =he ~angible losses in Table 2.8. It is instr~ctive ~o conside= who actually bears che ~osses oiven in Table 2.8. ~or ~he co~mercial sector, ~specially for the larger enterprises who experienced the :naJor damage, much 0: t:-.e loss will be re-imbursed by the insurance industry. Losses to government agencies are met from state and :ederal :unds. Much of the residential loss nowever, will be borne by the residents and property owners. Although household and small business flood ins~:::-ance is ~vailable in t~e ~orthe=~ Territory few of those who ?~ffered ~oss had taken out the ex~ra cover. , """ I I I I I I I Again it is stressed that a flood wi~h an increase in iepth of about O.5m over the 1988 event would res~lt in very I large inc~eases i~ all :or~s of f:ood damage. It 1S difficult t8 model the flood water su~face fo= ~vents larger ~l;,a:1 Saster 1988. However, if i'C. is assumed that the surface would ~e si~ilar for floods 0.5 ~etre higher than Easter 1988, the~ .~~UFLOOD can be used to ~stima~e direc~ da~ages to structures and contents in the re$lde~tial and comme~c:al sectors. The results of the analysis are presented below: 1988 flood 1988 flood + 0.5ffi Direct :::-esicential loss Sl, 650, 000 S3, 886, 000 Di:::-ect. commerc~al loss S100,OOO S1, 277,000 Total direct loss S1, 750, 000 S5, 163, 000 I I I I I It is irr:porcant to note that the A.!.'JUFLOOD estimate of I jirect commercial dawage for the 1988 flood is poo:::-, a~d that a better ffieasure of loss was obtai~ed from the ~~tervlew data used ea:::-~ier in this section. The reaso~ ~or I t:-tis is that only a small ncrrtbe:::- of properties ,;ere inu~dated and the floor levels. were critical to within a ~ew ~entimetres. I~ larger floods these small height differences are less critical. The di=ec'C damage estimates I ~ive~ above, are considered to be the best that can be ;btained, and they clearly indicate the ~arked increase in da~aqes for small increases in flood stage. T~ese results I are ;f prime i~portance for future floodplain ~anagement in Allce Springs. Flood damage in the Aboriginal community I ANUFLOOD was not used for estimating flood da~age to 3.00riQina1 housing. F.S set out in Section 1, in:ormatio!l. I was c;llec~ed t~rough discussions with representatives o~ I

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