Kawakawa Water Treatment Plant Building Renovation and Structural Works

Tenders are invited for the above contract, located at: Kawakawa Water Treatment Plant, Reservoir Road, Kawakawa, Northland.

The works generally are as follows: � Replace the damaged eastern part of the building with a new masonry block building, � Strengthen the western part of the building through the insertion of vertical reinforcement into the unfilled concrete blocks, and fix the walls to the footings with stainless steel angle brackets. � Provision of a new concrete bond beam at the head of the walls.

� External works include the replacement of a concrete crib retaining wall with a timber pole retaining wall, and the provision of a new concrete pad at the east of the building. The contract includes the following: a) Liaise with Council�s maintenance contractor, Broad Spectrum (BSL) to arrange access to the building and agree a programme of work which enables BSL to continue to operate the WTP.

b) Demolition and removal of the eastern part of the building, including roof and strip foundations. Liaise with and allow for BSL to remove existing tanks. c) Removal of the roof of the western part of the building, removal of the top layers of existing 8� block and associated masonry bond beams from the western part of the building. Roof level varies, removal of between 3 and 6 courses of block.

Construction of a new raft slab and masonry walled building to replace the eastern part of the building d) Installation of new reinforcement and concrete filling to the existing walls of the western part of the building e) Connect the existing walls to the existing footings using equal angle and bolts f) Installation of new blockwork to the head of the walls of the western part of the building g) Installation of new Dimodek roof across the whole building h) Removal of the existing concrete crib wall and installation of new timber pole retaining wall to the north of the building, and renewal of the concrete path.

i) Installation of new concrete pads external to the eastern part of the building The western portion of the building must remain operational for the full extent of the works.