Name:

Northmead Pump Station

Client:

Confluence Water

Value:

$8.2 M

Scope:

Construction of a new wastewater pump station SP1220 including:

• Wet Well structure (New SP1220)
• Filling old SP1210 Wet Well
• Emergency Storage Tank
• Inlet chamber
• Construction & installing
• Precast roof slabs
• Inlet maintenance hole(IMH)
• Connection of sewer services
• HDPE Liner (supply, install, weld and test)
• Demolition of piles and pile
• Capping beam
• Valve chamber
• Bypass bund
• Testing

Challenges:

• A very complex concrete structure.
• Construction works 16m below ground level.
• Access to multiple tanks up to 16m deep.
• Managing high risk activities inside a small work front including cranage, work at heights, plant operation, confined space and limited access areas.
• Construction of 60 pre-cast concrete elements up to 20T, delivery to site and installation utilizing 400T crane.
• Working with community housed immediately adjacent to construction site.
• Underground water management.
• Inclement weather, including two major flooding events.

300T of Reinforcement, 1500m3 of waterproof concrete.