WA HVAC Pty Ltd
1/9 Blackly Row, Cockburn Central WA 6164 · 08 9314 7696 · admin@wahvac.com.au
ABN 49 629 340 405 · Refrigerant Trading Authorisation AU42942 · Electrical Contractor EC10155
Quotation
EST-26-0227 Rev A
Date 20 Jan 2026
Valid until 20 Feb 2026
Prepared by Michelle
Prepared for
Gold Fields Australia
Attn: Tom Ferreira
tom.ferreira@goldfields.com
ABN 57 105 314 512
Site
St Ives gold mine — admin & crib rooms
Goldfields · Kambalda
St Ives gold mine — rooftop unit replacement
| Description | Amount ex GST |
|---|---|
Packaged rooftop unit 30 kW — like-for-like replacement 1 × Temperzone 30 kW packaged rooftop unit (OPA 303) · 2 × Scissor lift / EWP hire · 1 × Isolator 35 A 3-pole IP66 · 10 × 4 mm² 5-core circular cable · 4 × Galvanised sheet 0.6 mm 2400 × 1200 · 2 × Duct mastic & foil tape kit · 2 × Fixings & sundries allowance · Installation, testing & commissioning (50 hrs) | $27,900.30 |
| Subtotal (ex GST) | $27,900.30 |
| GST 10% | $2,790.03 |
| Total (inc GST) | $30,690.33 |
This quotation is valid for 30 days. Prices are based on supplier costs on 19 Jan 2026.
Exclusions: Builder's works, penetrations through fire-rated elements, after-hours work unless noted, structural certification. Flights and camp accommodation supplied by client on remote sites.
Payment terms per our account terms. All work carried out by ARCtick-licensed technicians under RTA AU42942 and EC10155.
Heating · Ventilation · Air Conditioning · Refrigeration · Maintenance