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Aughinish Alumina Storm Water Pond

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AUGINISH ALUMINA
STORM WATER POND
DREDGING
Aughinish Island,
Askeaton, Co. Limerick.
 This contract involved removal of approximately 40,000m3 of
soft contaminated mud from a settlement pond, and delivery to a
long term storage pond at approximately 700m distance. The
material was excavated at depths of 2.5 to 5m and was severely
caustic, therefore extensive Health and Safety Procedures were
implemented to safeguard personnel working in this
environment.

The principal plant employed was the Company's Versi-Dredger
7012 self propelled cutter-suction dredger.

In order to minimise disturbance of the caustic sediment the
Versi-Dredgers unique star wheel drive was not used, and
instead the machine travelled along a wire rope tensioned across
the pond.

Deliveries of up to 2000m3 per day were achieved, pumping the
material through a 300mm diameter delivery line to the receiving
pond.
Client Aughinish Alumina Ltd,
Aughinish Island,
Askeaton,
Co. Limerick.
Value €400,000
Programme 2 months
Date of Completion July, 2007.
L&M Keating Ltd, Kilmihil, Co. Clare. www.lmkeating.ie | info@lmkeating.ie
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