WA HVAC

Quotation EST-26-0255

Monadelphous Engineering
MYOB · synced 09:14 Demo 08 Oct 2026
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WA HVAC — Specialising in Mining & Resources
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-26-0255 Rev A
Date 08 May 2026
Valid until 07 Jun 2026
Prepared by Michelle
Prepared for
Monadelphous Engineering
Attn: Craig Ellery
craig.ellery@monadelphous.com.au
ABN 28 008 988 547
Site
Kwinana fabrication facility
Kwinana
Kwinana fabrication facility — admin building ducted AC replacement
DescriptionAmount ex GST
Ducted split 14 kW — supply & install × 2
2 × Daikin 14.0 kW ducted split inverter, 1-ph (FDYAN140) · 2 × Pre-insulated pair coil 3/8" + 5/8" × 20 m · 50 × Interconnect cable 4C 1.5 mm² · 2 × Isolator 20 A 2-pole IP66 · 2 × Anti-vibration pads (set of 4) · 2 × Condensate drain 20 mm PVC + fittings · 12 × Ceiling diffuser 4-way 450 sq. with plenum · 2 × Return air grille 600 × 600 with filter · 12 × Insulated flexible duct 250 mm × 6 m · 12 × Spigot collar 250 mm with damper · 4 × Duct mastic & foil tape kit · 2 × Daikin wired controller (BRC1H) · 0.5 × Dry nitrogen — G size cylinder · 2 × Fixings & sundries allowance · Installation, testing & commissioning (72 hrs)
$25,335.92
Rectangular supply duct — per 10 m run
6 × Galvanised sheet 0.6 mm 2400 × 1200 · 2 × Duct insulation blanket R1.0 × 15 m roll · 2 × Duct mastic & foil tape kit · 1 × Volume control damper 300 × 300 · 1 × Fixings & sundries allowance · Installation, testing & commissioning (14 hrs)
$2,285.25
Subtotal (ex GST)$27,621.17
GST 10%$2,762.12
Total (inc GST)$30,383.29
This quotation is valid for 30 days. Prices are based on supplier costs on 06 May 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