Perth, WA
All the plumbing. All the gas. One contractor.
Commercial plumbing and gas across Perth. Site establishment through to testing, commissioning and handover, with the gas fitting licence held in-house.
Scope of works
One subcontractor across the whole program.
Around 70 line items, in the order your program runs them. Scan the stages against your scope of works, or call and walk the hydraulic drawings with Mitchell.
View the full scope- 01
Early works
Site establishment, plumbing set-out, hydraulic drawing review
- 02
Underground
Sewer, boundary traps, trade waste, stormwater, soakwells
- 03
Water services
Mains, meters, backflow and RPZD, hot and cold reticulation
- 04
Plant and gas
Plant room pipework, booster pumps, PRV stations, gas pipework and meters
- 05
Rough-in
In-wall, in-slab and ceiling-space pipework, fire collars
- 06
Fit-off
Sanitaryware, tapware, commercial kitchens, accessible bathrooms
- 07
Testing
Pressure, hydrostatic and gas testing, camera inspections, commissioning
- 08
Handover
Defect rectification, as-builts, compliance and handover documentation
Both tickets, held in-house.
A plumbing-only subcontractor has to sub the gas fitting out again. HQ holds both licences, so the gas work stays inside the one package.
PL 11442
Sanitary, water and stormwater, from mains connection to final fit-off.
GF 19966
Gas pipework, meters, appliance connections, testing and commissioning.
About us
HQ Plumbing & Gas is run by Mitchell Antonio Princi: 11 years in the plumbing industry, and a member of the Master Plumbers Association.
Commercial work is the core of the business: reviewing the hydraulic drawings, pricing the package, and carrying it through to testing and handover. Call the number on this page and you get Mitchell, not a front desk.
- In the industry
- 11 years
- Member
- Master Plumbers Association
Residential work, too.
Hot water units, bathrooms, laundries, tapware and gas appliance connections for Perth homes.