Territory Stories

East Alligator district centre water supply assessment : Kakadu National Park

Details:

Title

East Alligator district centre water supply assessment : Kakadu National Park

Other title

D . Pidsley

Creator

Jamieson, M.; Pidsley, D.; Paiva, Jerome

Collection

E-Publications; E-Books; PublicationNT; Technical Report ; 26/1991

Date

1991-02-26

Description

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

Notes

Date:1991

Language

English

Subject

Water-supply -- Northern Territory -- Kakadu National Park; Groundwater -- Northern Territory -- Kakadu National Park; Kakadu National Park (N.T.)

Publisher name

Power and Water Authority

Place of publication

Darwin

Series

Technical Report ; 26/1991

Format

1 v. : ill., maps ; 30 cm.

File type

application/pdf.

Copyright owner

Check within Publication or with content Publisher.

Parent handle

https://hdl.handle.net/10070/229020

Citation address

https://hdl.handle.net/10070/673451

Page content

Technical Report WRD91026 Viewed at 15:07:48 on 29/07/2010 Page 103 of 107. eventually causi~ rottirq and falli~ a:way of ceiling a.nd wall. sheeting~ '!his is .generaJ..J.. ac~ied by failures of. ~per pipes and brass fittings as explained belOool.. In m3nY instar.ces the corrcsicn prcceeds at 51-len a rate t.'1at mai~tenance cannct keep pace and the house becares unhabitable. In sore cases :ow failure has OCClred .... i t..'1in a year" 1he a;gressiveness of the watel: has resulted. in rapid corrcsicn of CCQper "t Olprcsolvency and erosion corrosion, as well as dezincification of brass .. Cuprasolvenc'j' (Fi~re- 4) is si.-:ply dissolution of t.he ccppe~ int;:) t..'1e 'JCI.cer and usually results in t.. ... e familiar blue-;=een s::aini:-x; of sir.k.s* sncwe:-s and :.oilet:. '::cwls. &csicn corrcsicn (Fiq'..lre 5) of CCQper tube oc::urs by ~e ren:Jva.l of rretal fran the pipe surface as dissol vee ions or t..'1e sweepiaJ of solid ccrrosicn p=cdJcts fran the surface ~ t.."le flew-. 1!"l.e effect is accelerated at locations of turtulence sum as at .bends" !t:'s di.aract.erised by t.!"'J.e presence of oorseshoe sha~ g ... e<aes, "Waves, and romded holes.. and usually s.'aws a directional patte~. o 2 , mm 4 6 ! 8 ~o , , F':i.gu..r9: 5 Ercsicn corrcsic:n c a. o:::pper tube {wadeye)


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