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-26-0285 Rev A
Date 24 Aug 2026
Valid until 22 Sep 2026
Prepared by Michelle
Prepared for
Northern Star Resources
Attn: Kirsty Hamlyn
khamlyn@nsrltd.com
ABN 43 092 832 892
Site
KCGM Fimiston — mill & workshops
Goldfields · Kalgoorlie
KCGM Fimiston — mill control room cooling
| Description | Amount ex GST |
|---|---|
Switchroom cooling — 2 × 7.1 kW duty/standby × 5 10 × Mitsubishi Electric 7.1 kW wall split (MSZ-AP71VG) · 10 × Pre-insulated pair coil 1/4" + 3/8" × 20 m · 10 × Wall bracket 750 mm heavy duty, galv · 10 × Anti-vibration pads (set of 4) · 10 × Isolator 20 A 2-pole IP66 · 150 × Interconnect cable 4C 1.5 mm² · 30 × Conduit 25 mm × 4 m + saddles · 5 × Duty / standby changeover controller with alarm relay · 10 × Condensate drain 20 mm PVC + fittings · 10 × Fixings & sundries allowance · Installation, testing & commissioning (160 hrs) | $53,451.00 |
Regional mobilisation — 2-person crew × 2 · Installation, testing & commissioning (32 hrs) | $6,240.00 |
| Subtotal (ex GST) | $59,691.00 |
| GST 10% | $5,969.10 |
| Total (inc GST) | $65,660.10 |
This quotation is valid for 30 days. Prices are based on supplier costs on 21 Aug 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