Gove – Pond 5 Closure Project SMPEI

As part of the Pond 5 Closure Project, Arnold were engaged to deliver the structural, mechanical, piping, electrical, instrumentation and civil works associated with the new underdrainage and northwestern embankment seepage collection systems. The project included the supply, installation and three pumping systems and associated infrastructure to collect and transfer underdrainage and seepage liquor to Pond 6.

Electrical

• Supply of CAT Generator for each pump site

• Design, manufacturing, supply & installation of solar & battery powered control panels

• Supply & installation of power, control and instrumentation cabling and earthing systems.

• Supply, installation & integration of flowmeters, level instrumentation and telemetry systems.

SMP

• Supply and installation of underdrain and seepage collection sump pumps

• Installation of 3 km of HDPE underdrainage pipework and associated carbon steel piping

• Installation of the northwestern embankment seepage collection and transfer system

• Installation of valves, manifolds, pipe supports and sump gratings

• Hydrostatic testing of installed piping systems.

Civil

• Supply & installation of the precast concrete northwestern seepage collection sump

• Construction of concrete slabs and foundations for generators, control panels and pipe supports

• Trenching, backfilling and compaction for underground pipework

• Construction of pipeline road crossings