Case Study: BF01

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Location: Hikutaia

Cows: 300 Spring Calving


  • Existing storage was a blocked off barrier drain which was pumped to a few paddocks via a petrol trash pump.
  • Wanted a turnkey solution that ticked all the boxes now and into the future.


Given the flat layout of the cowshed, a new line was thrusted into the centre of the yard to gain height. All effluent directed into a manual rainwater diverter before stone trap & 25m3 effluent sump, stone trap cleanings are periodically stored in a sealed tailings bunker.

All effluent transferred to a suitably sized HDPE lined storage pond. Stored effluent then stirred and pumped down the farm when soil conditions suit.

Key Products
Precast Stone Trap & 25m3 open top effluent sump with Williams child proof fence
Williams 3 x 3 x 1.4 metre solids bunker
HDPE liner with geotextile underlay, gas venting & ground water drainage/leak detection system by Agruline NZ
Williams 4 Drum Pontoon on guides with Yardmaster Transfer Pump & Submersible Mixer
Williams 6 Drum Pontoon with Yardmaster pump & stirrer

is available where and when you need it through our Nationwide Dealer Network or contact Williams Engineering direct.