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-26-0236 Rev A
Date 27 Feb 2026
Valid until 29 Mar 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 — training room ducted AC
| Description | Amount ex GST |
|---|---|
Ducted split 20 kW 3-phase — supply & install 1 × Daikin 20.0 kW ducted split inverter, 3-ph (FDYQ200) · 2 × Pre-insulated pair coil 3/8" + 5/8" × 20 m · 30 × Interconnect cable 4C 1.5 mm² · 1 × Isolator 35 A 3-pole IP66 · 20 × 4 mm² 5-core circular cable · 1 × Galvanised roof stand / plinth · 1 × Condensate drain 20 mm PVC + fittings · 8 × Ceiling diffuser 4-way 450 sq. with plenum · 2 × Return air grille 600 × 600 with filter · 8 × Insulated flexible duct 250 mm × 6 m · 8 × Spigot collar 250 mm with damper · 3 × Duct mastic & foil tape kit · 1 × 4-zone control system with touch screen · 0.5 × Dry nitrogen — G size cylinder · 2 × Fixings & sundries allowance · Installation, testing & commissioning (56 hrs) | $20,258.28 |
Regional mobilisation — 2-person crew · Installation, testing & commissioning (16 hrs) | $3,120.00 |
| Subtotal (ex GST) | $23,378.28 |
| GST 10% | $2,337.83 |
| Total (inc GST) | $25,716.11 |
This quotation is valid for 30 days. Prices are based on supplier costs on 25 Feb 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