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GRAF underground systems for commercial sewage pump station design

GRAF Australia

GRAF | LIFT guide

Sewage pump station design

Coordinate wet-well storage, solids-capable pumps and controls for commercial sewer lift duty.

Request a project quoteCall 1300 131 971

In short

Sewage pump station design matches inflow, storage, solids characteristics and rising-main head to a packaged wet well, pumps and control panel. GRAF | LIFT Sewage is the commercial pathway beside the existing Pump Stations chamber catalogue. GRAF | LIFT, PRESS, REUSE and CARE are being rolled out Australia-wide excluding Victoria. Project delivery, commissioning and field attendance are confirmed against location and scope.

How it works

Wastewater enters the wet well, sewage pumps and controls lift against the rising-main duty, then discharge to sewer.
Commercial pump station flowSite inflow enters a wet well for storage, pumps and controls lift the fluid, then discharge into a rising main or receiving system.InflowStorm / sewageWet wellUsable + emergencystorage volumePumps + panelLevel controlValves + alarmsOutRisingGRAF | LIFT packages the wet well, pumps, pipework, valves and controls

What to do next

  1. 01

    Capture hydraulic and solids data

    Peak inflow, static head, rising-main details and solids characteristics.

  2. 02

    Select chamber and pump path

    Choose a catalogue wet well where suitable, then GRAF | LIFT Sewage for the package.

  3. 03

    Confirm controls and commissioning

    Level control, alarms, starts and the commissioning pathway with GRAF | CARE where required.

Commercial sewer lift applications

Apartments, mixed-use buildings, hospitality, schools, remote facilities and commercial campuses often need pumped discharge into a rising main or sewer connection.

Where trade waste or treated effluent is involved, use the matching GRAF | LIFT package path rather than forcing a sewage selection.

GRAF wet well for commercial sewage pumping packages
Chamber selection stays tied to verified Pump Stations catalogue data.

What to bring to sizing

Project location, design flow, static head, rising-main length and diameter, pipe material, valves and fittings, wastewater type, solids characteristics, required storage, available power, control and BMS requirements, site access, loading and groundwater information, drawings and specification.

Duty/standby arrangements are common on commercial sewage stations where continuity of service matters. See the duty standby guide for redundancy planning.

GRAF engineered chambers used in sewage pump station packages
Packaged systems keep pumps, valves and panels coordinated.

Compare options

Choose the GRAF | LIFT path that matches the fluid, not only the chamber.

FluidPackage pathWatch-outs
SewageGRAF | LIFT SewageSolids, starts, odour and sewer rules
StormwaterGRAF | LIFT StormwaterInflow and emergency storage
EffluentGRAF | LIFT EffluentWater quality and end use
Trade wasteGRAF | LIFT Trade WasteCompatibility review required

Specify these products

Frequently asked questions

What is a sewage pump station?+
A sewage pump station lifts wastewater into a rising main or sewer when gravity drainage is not available. Commercial packages typically include a wet well, sewage pumps, valves, level controls and a control panel.
Which sites need a commercial sewage pump station?+
Commercial buildings, apartments, hospitality venues, schools, remote facilities and other sewer lift applications where the site cannot drain by gravity.
How does GRAF | LIFT sewage differ from stormwater?+
Sewage packages are selected around solids handling, starts, odour and sewer authority expectations. Stormwater packages focus on drainage inflow and emergency storage for clean or lightly contaminated runoff.
Can GRAF review an existing sewage pump schedule?+
Yes. Upload drawings, duty point and specification through the quote pathway on grafaustralia.com.au.
Is GRAF | LIFT sewage available in Victoria?+
Commercial Systems rollout is Australia-wide excluding Victoria. Project delivery and field attendance are confirmed against location and scope.

Need a sewage pump station quote?

Send drawings and duty notes. Call 1300 131 971 or use the quote form.

Request a quote