Main Contractor for Weathertightness Remediation Works to Block E (Canteen) at Wairoa College

Details

Tender Closed
RFx ID :	24468814
Tender Name :	Main Contractor for Weathertightness Remediation Works to Block E (Canteen) at Wairoa College
Reference # :	2103
Open Date :	Monday, 28 June 2021 9:00 AM (Pacific/Auckland UTC+12:00)
Close Date  :	Friday, 23 July 2021 5:00 PM (Pacific/Auckland UTC+12:00)
Department/Business Unit :	Board of Trustees - Approve by BoT - ie. School Principal
Tender Type :	Request for Tenders (RFT)
Tender Coverage :	Sole Agency  [?]
Categories :	72000000 - Building and Facility Construction and Maintenance Services
Regions:	Gisborne
Exemption Reason :	None
Required Pre-qualifications :	None
Contact :	All enquires to be made through the GETS Question & Answer function
Alternate Physical Delivery Address  :	All submissions to be made through the GETS website
Alternate Physical Fax Number  :	All submissions to be made through the GETS website
Agency Address :	NEW ZEALAND

• The main weathertightness failures are the result of the incorrect installation of the Plywood cladding which has allowed capillary water ingress at the bottom of the plywood sheets. The window joinery has also been installed incorrectly and is missing seals between the window jamb and cladding, with one window missing a head flashing. The damage from these failures is decay of the plywood cladding, and mould evident on the wall insulation.
• The second area of weathertightness failure is relating to the roof. On the eastern barge to ridge flashing junction, the ridge flashing is short of the barge flashings, and this junction is relying on silicone sealant, which is now failing.
• The third weathertightness failure is regarding the rusticated weatherboards on the western elevation. Scribers are missing at weatherboard to joinery and corner coverboard junctions, allowing wind driven moisture ingress.
• While the focus of this project is towards weathertightness remediation, other elements of work that are packaged into the overall project for this building were items identified in the Inspection Report, which includes, the main gutter coming loose from the gutter brackets with some cracks in the joints as well as lichen growth on the roof.
• Project consultants are:
o Project Manager: Architects 44 Limited
o Quantity Surveyor: Architects 44 Limited
2.2 Required solution (method and approach)
a. The Contract Works required are:
i. Plywood: Full re-clad required. Existing plywood wall cladding, building paper and insulation to be removed. Framing to be inspected with any decaying framing to be replaced with H1.2 timber. In situ-treat the balance of framing with two brush-applied coats of Protim Framesaver dyed pink for identification. Insulation and building wrap to be installed to walls, followed by vertical battens. New drained and vented cladding to be installed with new flashings and cavity closers. Seal bottom corners and provide wider timber reveals and reinstate windows, doors, downpipes and other cladding fixtures to suit.
ii. Roof: All gutter brackets to be repaired and gutter to be rehung to ensure free flowing with all lap joints sealed as required. Purpose made end caps to be installed at ridge to barge junctions. Roof claddings to be removed of all lichen.
iii. Weatherboard Cladding: All cladding penetrations to be resealed. Apply sealing plugs or scribers to door and external corners with rusticated weatherboards. Rusticated weatherboards to

This tender has been awarded.

• Stead Construction Limited - 303, Fenwick Street, Mayfair, Hastings, 4122, NEW ZEALAND
  Value $ 76,116

Award Date: Monday, 14 March 2022 (Pacific/Auckland UTC+13:00)
Date RFx was completed/updated: Tuesday, 22 March 2022 8:44 AM (Pacific/Auckland UTC+13:00)