Gallery
Above: Preparation of galvanised steel trunking required to contain and mechanically protect three phase meter cabling supplying a main distribution board.


Right: A 3 phase 100Amp installation: The galvanised steel trunking complete with a 100A triple pole and neutral fused switch and main distribution board supplying a commercial premises.
Project: Design & install replacement cabling for Greyhound Stadium Track Lighting
Left: Manually measuring the track interior as required to produce the proposed designs for both the cable lengths and the position of the intended trench for the installation of the track lighting cables.


Below: In house production using CAD to draft scaled working drawings to include the drawing below, enabling accuracy of cable measurements required for the cable sizing calculations.
Above: Distribution board complete with side mounted galvanised trunking required to allow for steel wire armoured cable glanding and space for ease of final connection to the circuit protection and terminal bars.
Above: Digging the trench with the use of a mini digger.

Right: Trench backfilled with sand to protect cables from sharp objects.

Below: Cable pulling and installing.

Below Right: Cables installed side by side to allow for heat dissipation while under load.
Above & above right: Installation of cable ducting set in concrete in the base of the proposed distribution board brick enclosure.


Right: Weatherproofing the brick enclosure with a sloped felt roof.


Below: Design of the proposed cable entries to the distribution board via galvanised steel trunking, for final connection of the steel wire armoured cables.
Above: Once installed, the cables are covered in sand to protect from sharp objects when the trench is backfilled.


Right: Danger warning tape is laid before finally backfilling to prevent accidental damage in case of future excavation.


Below: Design of the proposed brick enclosures including cable duct positioning required to house the distribution board supplying the final lighting circuits.
Above: Distribution board complete with mains incomer and final circuit cabling connected.

Below: Distribution Board Schedule with details of final circuit cable sizes, length of runs and actual voltage drop.
Drg-proposed-cable-trench-position
Trunking-preparation
Main-isolator-&-distribution-board-in-meter-cupboard
Drg-brick-enclosure-design
Prepare-trench-with-sand
Digging-trench-with-a-mini-digger
Cables-in-trench
Track-measuring-using-a-measuring-wheel
Drg-distribution-board-cable-entry-design
Distribution-board-schedule
Wired-distribution-board
Preperation-of-lighting-control-gear-enclosures
Preperation-of-lighting-control-gear-trays
Control-gear-enclosure-layout-design
inside-control-gear-enclosure
Above: Preparation of the light post mounting brackets for the control gear enclosures.

Above: Marking out and assembling the lighting control gear on the enclosure's back plate.
Below: Scaled working drawing of the layout of the control gear to be mounted to the enclosure's back plate for each light fitting.
Below: Control gear housing mounted at the base of a track light complete with a door mounted change over switch to control a secondary light in case of main light failure during a race meeting.
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