Case Studies

Flood Control / Rainwater

Temporary System for Storm Water Removal

Temporary System for Storm Water Removal
Japan

[1] Hokkaido was always thought of as a region where you saw comparatively little damage from heavy rain, but we received an order for two KRS822 pumps, suction hoses, Sunny Hoses and generators to prevent fields from flooding threatened by frequent torrential downpours of recent. Whenever heavy rain is in the forecast, the system is temporarily set up and fired up in advance to stay ahead of dewatering needs. The system is not used in winter, so it is stored in the snowplow garage at a snow removal center.

[2] The pumps were delivered to drain ponding water. Originally, one pump was installed, but localized downpours in recent years spurred fears that there might not be enough drainage capacity to keep up with demand. Therefore, to increase capacity in 3 locations, we received an order for and subsequently delivered a total of 6 pumps (2 per site).
* To deploy the pumps, they are first coupled with hoses and then lowered into the pit using a chain block.

Related videos

Movie about dewatering pumps as storm countermeasures (Japanese)

Specifications of Installed Equipment

Installed Equipment Specifications
Dewatering Pumps Model : KRS822
Number of units : 2 units
Discharge Bore : 200mm
Motor Output : 22kW
Total Head : 30m
Capacity : 2m3/min

Model : KRS2-8S
Number of units : 6 units
Discharge Bore : 200mm
Motor Output : 11kW
Total Head : 10m
Capacity : 4m3/min
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