Willsoon Well Pointing

Willsoon assisted in the foundation work of the expansion of Changi Airport on a 1,080 hectare site at Changi East. Well pointing Dewater pumps were used to reduce the waterbed levels before excavation works were started. The project used up to 20 of such pumps to dewater a large portion of the land area.

Equipment Used:

Wellpointing Pump from Singapore Pump Products -

• SPP 6” Vacuum Assisted Centrifugal Wellpoint Dewatering Pump
• Model: SPP GPI 150-60 (6”)
• Capacity: 300 m3/hr
• Head: 17 m
• Solid: 52 mm
• Speed: 1800 rpm
• Power: 32 kW
• Max Air: 60 CFM
• Driven By: F4L912 Air Cooled Diesel Engine

Jetting Centrifugal Pump from Willsoon F.E. Pte Ltd -

• 4” Willflow Jetting Centrifugal Pump
• Model: CP 80-400
• Capacity : 105 m3/hr
• Head: 59.1m
• Suction port: 100mm
• Discharge port: 80 mm
• Driven By: F4L912 Air Cooled
• Diesel Engine Power: 38kw @ 1800rpm

Well pointing Accessories from Singapore Pump Products -

• 50m worth of PVC header and riser pipe assemblies for each pump
• Cast Iron Jetting Pipe