Storm water planning can shape how a residential build handles rainwater from roofs, paving, driveways and shared areas. Whether you are delivering a new home or a multi-residential project, early coordination of plans, levels, drainage routes and approval responsibilities supports clearer decisions throughout construction.
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Plan storm water with the project information at hand
Storm water planning for residential construction
Rainwater needs a considered path from the surfaces around a new build. Storm water work in residential construction plumbing deals with collecting and discharging rainwater from roofs, paved areas, driveways, courtyards, balconies, landscaped areas, retaining walls and common areas.
For builders, developers and project teams, the important questions often arise well before the visible finishes are in place: where will water be collected, how do site levels affect drainage, where is the available discharge point, and who can approve a design change if site conditions differ from the drawings? Addressing those questions early can make coordination through construction more straightforward.
Storm water construction may form part of a new home, grouped dwelling or multi-residential development. The scope and level of design coordination can differ substantially between a smaller project and a larger development.
What storm water work may involve
A storm water solution is shaped by the building and the surrounding site. Depending on the project, work may involve:
downpipe and roof-water drainage;
soak well installation;
storm water pits and pipework;
driveway and courtyard drainage;
balcony drainage;
subsoil and retaining-wall drainage; and
connection to the approved discharge point.
On multi-residential work, the arrangement may also involve detention tanks, retention systems, pumped storm water, civil drainage, basement ramp drainage, roadway drainage, storm water pump stations and shared strata assets. These elements need to be understood as part of the wider project rather than as isolated components.
Smaller builds and larger developments need different coordination
Project setting
Storm water considerations
Smaller new homes and grouped dwelling projects
A practical design-and-construct approach may need to consider roof area, site levels, soil conditions, paving, downpipes and available discharge points.
Larger multi-residential projects
Hydraulic or civil consultants may provide design input, with formal calculations, detention volumes, overflow routes, pump sizing, trafficable pit ratings and authority approval forming part of the project considerations.
For either setting, clear drawings, defined responsibilities and a workable approval path help project teams respond when information changes or conditions on site need to be addressed.
Information that helps start the right conversation
Good project information helps a plumbing business understand the intended storm water arrangement and the decisions still to be made. Gather what is available rather than waiting for every detail to be finalised.
Provide roof plans, drainage plans and relevant civil drawings.
Identify site levels, downpipe locations, proposed paving areas and driveway levels.
Share known soil conditions, soak well locations and the proposed discharge point.
For an existing water-flow concern during construction, include photos taken during rain where available.
Clarify storm water approval requirements and identify the person authorised to approve design changes.
For construction plumbing more broadly, drawings, specifications, program dates, site constraints, inspection points, procurement expectations and design-coordination responsibilities are useful project details.
Products and supply channels customers may encounter
Storm water discussions can involve product and supply names that appear in plans, specifications or procurement conversations. Examples customers may encounter include Iplex, Vinidex, Rehau and Pipemakers for pipe-related products; Everhard, Reln and ACO in drainage-product discussions; and Humes, Rocla, Polymaster, Bulk Saokwells, Poly WA, Civilmart and HydraStorm in connection with associated storm water products and supply channels.
Reece, Galvins, Galvin Engineering, Tradelink, Parkwood Plumbing Centre, Bunnings and Plumbing Plus are also names that may appear in supply discussions. The presence of a name on a project does not determine the appropriate storm water arrangement; plans, site conditions and project coordination remain central to the decision.
Choosing a plumbing business for storm water construction
Storm water construction sits within residential construction plumbing, where work is coordinated with plans, specifications, project stages and other project participants. When choosing a plumbing business, explain the project type, the design information available, the site constraints and the decisions that still require coordination.
Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia. Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project.
The Association has represented Western Australia’s plumbing and gasfitting industry since 1901. Its members must adhere to the Association’s Code of Conduct, which sets expectations for honest transactions, ethical business behaviour, lawful plumbing practice, cooperation within the industry and apprentice training.
What does storm water mean in residential construction plumbing?
It concerns the collection and discharge of rainwater from areas such as roofs, paved surfaces, driveways, courtyards, balconies, landscaped areas, retaining walls and common areas within a residential construction project.
What can be part of a storm water system for a new home?
Depending on the project, it may involve downpipes, soak wells, storm water pipework, pits, overflows and connection to an approved discharge point.
Why do site levels matter to storm water construction?
Site levels are one of the factors used to consider a practical storm water solution. Roof area, soil conditions, paving, downpipes and available discharge points can also be relevant.
What extra considerations can arise on multi-residential projects?
Multi-residential work may involve detention or retention systems, pumped storm water, civil drainage, driveway drainage, basement ramp drainage, roadway drainage and shared strata assets.
What should I provide when discussing storm water work?
Useful material can include roof plans, site levels, drainage plans, downpipe locations, proposed paving areas, soil information, discharge-point details, driveway levels, civil drawings, storm water approval requirements and the contact authorised to approve design changes.
How can Find a Master Plumber help?
Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia and can be used to choose a plumbing business for your service needs.
When you are ready to choose a plumbing business, bring together the available drawings, site details, drainage information and approval contacts. Find a Master Plumber can help you choose a plumbing business for storm water construction and related residential construction plumbing work.
