Projects

DPTI 66kV & 11kV Asset Relocation North-South Motorway R2P, Croydon Park

Beltrame Civil was engaged by SA Power Networks to construct 31 new high voltage large diameter pole footings and underground existing overhead 11kV HV & LV power lines.

The scope of works included, the construction of fourteen 11kV pole footings at 1.2m diameter to a depth of 4.5m; consutruction of seventeen 66kV pole footings, at 1.65m diameter to a depth of 7.5m; construction of pit and pipework along the lengths of Standard, Hudson, and Nash Streets, Croydon Park; installation of 220m of DN50 communications conduit for fibre optic relocation; construction of a 200 tonne crane hard stand to facilitate the erection of power poles; and management of extensive de-watering and poor ground conditions. Project success relied heavily on clear communication and careful liaison between the numerous stakeholders involved, including the City of Port Adelaide Enfield, residents, businesses, public transport providers, and DPTI.

Client

SA Power Networks

Location

Croydon Park

Northfield Substation Road & Drainage Upgrade

Beltrame Civil was engaged by ElectraNet to construct a new heavy vehicle road pavement and both surface and subsurface drainage to rectify access and drainage issues at Northfield Substation.

The scope of works included, the construction of a 200,000L stormwater detention basin, 150m of DN375 stormwater network, 450m of road reconstruction including a 400mm thick HD granular pavement construction and 40mm of AC10 asphalt, HD kerb and gutter and spoon drain construction, and supply and installation of non-conductive bollards and fencing.

Client

Electranet

Location

Northfield

Substation Bunds Construction

Construction of concrete bunds around existing live transformers and reactors at 8 substation sites across South Australia. Works were completed at the following Substations: Berri, North West Bend, Murray-Bridge Hahndorf 2 & 3, Tailem Bend, Middleback, Port Lincoln, Leigh Creek, and Torrens Island.

Project scope included the construction of 16 reinforced concrete bunds, the largest measuring over 200m² in area; supply, placement and finishing of more than 550m³ of concrete; supply and installation of two 7.2m precast firewalls; design, supply and installation of fibreglass reinforced plastic (FRP) walls to prevent personnel access to the top of bund walls; and the construction of associated drainage infrastructure and yard works.

Client

ElectraNet

Location

Berri, Morgan, Tailem Bend, Kanmantoo, Murray Bridge, Whyalla, Port Lincoln, Torrens Island

Prospect Road Stage 3A & 3B PLEC

Project scope was to underground the existing overhead SAPN HV & LV and DPTI lighting distribution network. 1250m of open trenching and the installation of all first fix civil infrastructure, including 10,360m of 100mm PVC conduit, HV &LV switching cubicles, P7 pits, service pillars and HV pole footings to develop a fully conduited underground supply network.

Client

SA Power Networks & DPTI

Location

Prospect Road, Prospect

North Plympton Substation to Glenelg WWTP, 11kVA Feeder

Installation of a new underground 11KVA dedicated feeder was required due to the expansion of the Glenelg WWTP. The project scope included trenching and installation of 4000m of 3x2 layered flat formation 100mm PVC electrical conduits. Inclusive of various pit and joint bay installations and approximately 450m of directional boring across arterial roadways and under the Patawolanga Lake. Due to its extent, the project required working closely with the City of West Torrens, the City of Holdfast Bay and DPTI to minimise traffic disruptions.

Client

SA Power Networks

Location

North Plympton

Prospect Rd Stage 3 PLEC

Project scope was to underground the existing overhead SAPN HV & LV and DPTI lighting distribution network. 1350m of open trenching and the installation of all first fix civil infrastructure, including 9985m of 100mm PVC conduit, HV &LV switching cubicles, P7 and P8 pits, service pillars and HV pole footings to develop a fully conduited underground supply network. The project required intensive liaison with the City of Port Adelaide Enfield, residents, commuters and DPTI.

Client

SA Power Networks & DPTI

Location

Prospect Road, Blair Athol

Cavan Substation to DPTI Dry Creek Railcar Depot, 11kVA Feeder

Trenching and installation of 4 sets of 100mm PVC electrical conduit in trefoil formation over a distance of 2000m. To a depth of 1.8m over the length of the project. Also including various pit and joint bay installations and directional drilling under Port Wakefield Road. The project required intensive liaison with the City of Salisbury and DPTI.

Client

SA Power Networks

Location

Cavan

Nairne PLEC

Project scope was to underground the existing overhead SAPN HV & LV and DPTI lighting distribution network. 920m of open trenching and the installation of all first fix civil infrastructure, including 10150m of 100mm PVC conduit, HV &LV switching cubicles, P7 and P8 pits, service pillars and HV pole footings to develop a fully conduited underground supply network. The project required intensive liaison with the District Council of Mt Barker, residents, commuters and DPTI.

Client

SA Power Networks

Location

Main Road, Nairne