Otago Daily Times

Goal for road sec­tion threat­ened by boul­der to re­open on Fri­day

- JOHN GIBB john.gibb@odt.co.nz

A HUGE boul­der, weigh­ing up to 100 tonnes, has been an­chored in place by metal rods and ca­bles above Blue­skin Rd, at Careys Bay, Dunedin.

Dunedin City Coun­cil group man­ager trans­port Jea­nine Ben­son said con­trac­tors had also added ex­tra bal­last to four ship­ping con­tain­ers po­si­tioned to pro­tect houses at Careys Bay, be­low the site.

Work­ers would to­day turn their at­ten­tion to con­struct­ing an earth bund be­low the boul­der, also to hold it in place.

The aim was to fin­ish the bund to­mor­row and break down the rock in time to re­open Blue­skin Rd on

Fri­day, Ms Ben­son said.

Con­trac­tors would drill into the boul­der to split it into frag­ments small enough to be re­moved, she said.

Other op­tions, in­clud­ing us­ing ex­plo­sives to de­mol­ish the boul­der and a tem­po­rary re­open­ing of the road for lim­ited hours in the mean­time, were not con­sid­ered vi­able or safe.

Staff and con­trac­tors were work­ing as quickly as pos­si­ble, and the in­con­ve­nience to mo­torists and res­i­dents from the road clo­sure was re­gret­ted, but pub­lic safety was para­mount, she said.

The boul­der was made of a type of rock known as brec­cia, also known lo­cally as ‘‘Port Chalmers rock’’.

 ?? PHOTO: SUPPLIED ?? Boul­der progress . . . A huge boul­der above Blue­skin Rd, Dunedin, is re­strained by ca­bles.
PHOTO: SUPPLIED Boul­der progress . . . A huge boul­der above Blue­skin Rd, Dunedin, is re­strained by ca­bles.

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