Southern Valleys iIrigation Scheme Marlborough

Southern Valleys iIrigation Scheme Marlborough

Community driven project to provide irrigation water to horticultural, farming and rural residential properties in the Southern Valleys of the Wairau Plain, Marlborough.




Approximately 4,860 ha. 310 properties. Approximately 60kms of pipeline. Completed 2004

Project Details

Intake from Wairau River

Settlement pond and new water race

Main pump station at Hammond Road delivering up to 1000 l/s v 75 m head using

Four 280kW submersible pumps for summer flows plus two 75kW pumps for winter flows

Secondary pump station at Fareham Road

Four boost pump stations operating during summer irrigation period

Reticulated pressured pipeline ranging in size from 900mm diameter to 75mm diameter over 58.4km and servicing 356 offtakes

Pipework assigned a 100 year life

Two main types of property connections for larger and smaller properties

System monitored remotely through Datran telemetry system


APL's contribution

Lead project manager

Undertook initial feasibility study

Prepared and obtained resource consent

Engaged professional design team

Developed conditions of sale

Engaged marketing/sales team

Engaged construction team

Managed construction/sales

Coordinated all survey/title/settlement processes.