Emer­gency reser­voir for Porirua

Kapi-Mana News - - NEWS - By JIM CHIPP

Welling­ton Re­gional Coun­cil will con­sider the fea­si­bil­ity of an emer­gency water reser­voir on the out­skirts of Porirua to help re­sup­ply res­i­dents more quickly af­ter a big earth­quake.

At their De­cem­ber meet­ing, coun­cil­lors ap­proved a fea­si­bil­ity study for a pos­si­ble 500-mil­lion­l­itre reser­voir cost­ing an es­ti­mated $ 19 mil­lion on a 100-hectare site near Takapu Rd.

From the hill­top site, grav­ity would push the water to Porirua, Welling­ton and, if nec­es­sary, the Hutt Val­ley with­out power.

Coun­cil staff were au­tho­rised to ne­go­ti­ate an op­tion to buy the land from Land­corp if the project proved vi­able.

The reser­voir’s ca­pac­ity would be suf­fi­cient to sup­ply Porirua and Welling­ton City for about 100 days at emer­gency lev­els of con­sump­tion while re­pairs to pipes and other in­fra­struc­ture were car­ried out. Coun­cil chair­woman Fran Wilde de­clared a con­flict of in­ter­est and left the meet­ing for the dis­cus­sions.

Af­ter the meet­ing, she said pur­su­ing the reser­voir op­tion was an in­te­gral part of the coun­cil’s longterm com­mit­ment to earth­quake strength­en­ing in­fra­struc­ture and mak­ing prepa­ra­tions to re­store ser­vices as quickly as pos­si­ble.

‘‘Dur­ing the past 20 years we have spent more than $20m on quake-strength­en­ing work.’’

She said the pipe­line from the main Te Marua water treat­ment plant to Porirua and Welling­ton would be se­ri­ously dam­aged be­cause it crossed the Welling­ton Fault three times, and re­pairs could take many weeks to com­plete.

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