Burst main a hole lot of trou­ble

Kapi-Mana News - - NEWS -

Con­trac­tors worked through the night last week to fix a hole in State High­way 1 north of Porirua.

A wa­ter main burst un­der­neath the high­way about 9.45am on Tues­day, push­ing the as­phalt up­wards, leav­ing cracks in the road and clos­ing a lane.

NZ Trans­port Agency con­trac­tor Ful­ton Ho­gan worked through the night to fix the warped con­crete, af­ter Welling­ton Re­gional Coun­cil re­placed two me­tres of de­stroyed pipe.

Welling­ton wa­ter sup­ply op­er­a­tions man­ager Noel Roberts said coun­cil staff were do­ing rou­tine work on the pipe, and had just man­aged to re-at­tach it when ‘‘it turned around and blew’’.

The force of the wa­ter burst through the road, flood­ing the left south­bound lane and leav­ing a hole in the road be­tween the Plim­mer­ton weigh sta­tion and round­about.

Traf­fic was de­layed and it took a team about two hours to lo­cate the faulty valve and turn it off.

‘‘ We have to do a post­mortem as to why ex­actly it went. Our ini­tial thought is that it was a pipe fault,’’ Mr Roberts said.

NZTA cen­tral op­er­a­tions man­ager Mark Owen said cars re­ported driv­ing over a ‘‘big bump’’ in the road, which swelled as wa­ter pooled be­neath it when the main burst.

The re­gional coun­cil and the agency would dis­cuss who was re­spon­si­ble for pay­ing for the road, and how much it would cost, Mr Owen said.

Photo: KEVIN STENT

Flooded: A burst wa­ter main in State High­way 1 near the Plim­mer­ton weigh­bridge closed a lane last week. It took about two hours to lo­cate the faulty valve and turn it off.

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