Far North District Council

7/22/159 - Road Dropout Repair Fairburn Road RP9593-9743

The works pertain to the stabilisation of a land slippage on Fairburn Road at RP9593-RP9743. The project comprises of two anchored timber pile retaining walls and one cantilever timber pole retaining wall to repair an existing slip and improve the overall stability of the road.

The contract includes the following:
1) All necessary earthworks to form a working platform for wall construction. This is expected to comprise of approximately 993m³ of cut which includes drill spoil. This excess material shall be disposed of offsite to the satisfaction of the Far North District Council.
2) Construction of ‘Design Section F’ timber pole cantilever retaining wall consisting of 32x Ø450mm SED 52MPa bending moment capacity and 450kg/m3 minimum density @ 1.0m CRS. Piles are 8.0m (long) in a Ø750mm hole and encased in 20 MPa concrete.
3) Construction of ‘Design Section G’ anchored retaining wall consisting of 20x Ø350mm SED 52MPa bending moment capacity and 450kg/m3 minimum density @ 1.2m CRS. Piles are 8.0m (long) in a
4) Ø600mm hole and encased in 20 MPa concrete. Anchors are to be BluGeo GRP60 Ø32mm bar or equivalent centrally spaced in Ø150mm and grouted minimum 3.0m into underlying rock.
5) Construction of ‘Design Section H’ anchored retaining wall consisting of 25x Ø450mm SED 52MPa bending moment capacity and 450kg/m3 minimum density @ 1.2m CRS. Piles are 10.4m (long) in a
6) Ø750mm hole and encased in 20 MPa concrete. Anchors are to be BluGeo GRP60 Ø40mm bars, centrally spaced in Ø150mm and grouted minimum 4.0m into underlying rock.
7) Reinstatement of the road following remediation works

Status Closed
Tenderer https://www.gets.govt.nz/fndc
Closed 14 Oct 2022 11:00 AM NZDT
Reference 26336372
Notice Type Request for Tenders (RFT)
Regions Northland
Customer Reference 7/22/159
Contact Details Raelene Rankin
+6494015410
Published 14 Sep 2022 2:00 PM NZST

Grow your business today.

Whether you are a small business looking for more contract opportunities
or a large enterprise seeking market intelligence, TenderHub can help you to succeed.