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The Halkali Pumping Station project in Istanbul involved the complete engineering, manufacturing, on-site installation, and commissioning of a 2.5-meter diameter, 3-meter height glass-reinforced polyester (GRP/CTP) wastewater lifting station.
Designed to handle industrial and stormwater discharge, the turnkey installation includes dual heavy-duty submersible cutter pumps, stainless steel guide rails, a penstock isolation sluice gate, and an automated ultrasonic level control panel.
Artemis Pool provided end-to-end engineering from structural GRP filament winding to on-site hydraulic pressure testing and commissioning.
5 Stages
Execution Process
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Project Gallery
0 Specs
Technical Details
5 Notes
Engineering Notes
Underground pumping stations require chemically inert, corrosion-free tank bodies, reliable non-clogging pump impellers, and automated level controls to manage high peak inflows without overflow risk.

Continuous filament-wound GRP cylindrical tank shell.
The tank shell was manufactured using continuous filament winding with isophthalic resin, ensuring complete resistance to hydrogen sulfide (H₂S) corrosion and chemical attack.
Hydrostatic leak tests and structural wall thickness measurements were certified prior to factory dispatch.

Precision crane rigging and positioning onto reinforced concrete anchor base.
The tank was lowered into a deep excavation and anchored to a reinforced concrete foundation slab with stainless steel chemical anchor bolts to counteract groundwater buoyancy forces.

Dual submersible pumps mounted on auto-coupling duckfoot pedestals with stainless guide rails.
Dual heavy-duty submersible sewage pumps were installed on self-coupling duckfoot discharge bases.
An AISI 316 stainless steel penstock sluice gate and internal safety ladder provide safe isolation and maintenance access.

Commissioned pumping station with IP65 outdoor automation panel.
An IP65 outdoor electrical control panel with soft-starters, phase-failure relays, and ultrasonic level transmitters regulates alternating duty/standby pump cycles.
The Halkali pumping station operates automatically with zero maintenance overhead, safeguarding surrounding infrastructure against sewage backup and flooding.
2.5m diameter, 3m height chemical-resistant GRP/FRP filament-wound tank
Dual heavy-duty submersible pumps with automatic coupling bases
AISI 304/316 stainless steel discharge manifolds, guide rails, and ladder
Handwheel-operated penstock isolation sluice gate
IP65 automation control panel with ultrasonic level control and GSM telemetry
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Artemis Pool delivers turnkey GRP tanks, booster stations, penstock valves, and sewage lifting plants from engineering to field commissioning.