Construction of Heaphy and Lewis River Swing Bridges in Kahurangi National Park

DOC intends seeking a contractor to undertake the supply and construction of the proposed 93m long Heaphy River Swing bridge and the 101m long Lewis River Swing Bridge, Heaphy Track, Kahurangi National Park. The bridge sites are located within 400m of each other at the junction of the Heaphy and Lewis Rivers. The work includes the construction of three sets of approx.

6-9m deep rock anchors, concrete Deadman anchor, concrete tower foundations, tower installations, timber access ramp, and cable swing bridge constructions. The site can be accessed via the Heaphy Track, approximately 25km from the Kohaihai road end, Karamea (4-5 hours walk or 1.5 hours electric motorbike). The contractor may use mountain bikes, motorbikes and/or electric bikes to provide site access.

For the duration of the construction period, the contractor will be given full use of the Heaphy Staff quarters hut located approximately 30minutes from the proposed Heaphy bridge site. The contractor shall also be given full use of the recently constructed Lewis Emergency shelter located on the true left of the Lewis river.

The contractor for the proposed work shall be sought via Request for Tender via the Government Electronic Tender System (GETS). Tenderers shall be required to partake in a mandatory site visit to be held during the tender period.