RFT - Main Building Contractor, Block 1 Weathertightness Remediation and Replace Roof, Johnsonville School, Johnsonville, Wellington
Tender ID: 463575
Tender Details
Tender Description
The project is to remediate weather tightness failings to part of Block 1 at Johnsonville School.
Additions to Block 1 were completed around 2000, they involved a flat membrane roof solution and weatherboard clad walls. The addition and especially its connection to the existing structure were poorly resolved and have leaked constantly over its life. A recent weather tightness report has identified the following key works to be undertaken:
- Replace two windows due to defect in construction and/or timber treatment selection causing premature decay of the frames
- Replace roof fixings and re-secure an adjacent section of the old metal roof
- Replace the internal gutter and membrane material
- Replace sliding windows which have blocked channels
To achieve a long term solution it is proposed to remove the flat roof and erect a pitched metal roof including for new rainwater systems and provision of minimum 400 mm eaves.
Exterior wall cladding and windows are to be replaced along with damaged interior linings.
The scheme will be traditionally executed with a full design team employed by the Johnsonville School Board of Trustees producing full construction documentation.
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