Floodplain Management Policy, Alice Springs Report by the Alice Springs Floodplain Working Group
Verhoeven, T. J.
E-Publications; E-Books; PublicationNT; Report ; 37/1983
Made available via the Publications (Legal Deposit) Act 2004 (NT).
Dept. of Transport and Works
Report ; 37/1983
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Technical Report WRA83037 Viewed at 04:02:48 on 18/02/2010 Page 7 of 14. ""....,-. '. 3.3. 3.3.1. 3.3.2. 3.3.3. L ]: l I , ~ 5 . STRUCTURl'.LLY ACCEPTABLE TREA':'HE)iTS The Working Group concurs w'i th the interim policy guideline that floor :evels for housing arato be a minimum of 350 mm above the level of the land liable to flooding. i) ii) It is difficult to define o~ces on buildings subject to i~~ers~o~, as resultant forces depend on ~any factors including:- a) building location, b) orientation, c) degree of i"~ersion and d) building design. In model studies of the Te~egraph Station buildi2gs, tl1e SnoT"ty r-fountains Engineering Corporation have ~ecorded flow velocities around buildi~gs approaching 7 metres per second. Each building in affected areas would neec to be engineeringly designed to withstand flood forces. To erect a ~orDal residence csi~g c~e suspended floor technique, it is esti~ated that the price of the average residence would be increased by one-third of current costs. This estimate takes into account tha-t 'w:"th 1 -l'b1 -':-"1 ~~ , ;::ll',:' ana ~a _e co ~,,-ooQ.Lng, gener __ ~! t._e bearing capacity of the soil is re~~ced which leads directly to an increase in =ootinc - ~ sizes.
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