Mobile Automation delivered the complete electrical installation for a new Victorian berry nursery — admin, laboratory and controlled grow-room buildings — around a live construction program.
Temporary supply that moved with the build
Construction power went in first, then was reworked as the buildings rose.
- 6 mm² two-core-and-earth from the temporary board to the site container
- Run on conduit and catenary wire, terminated into a 32 A circuit breaker
- Tested and walked through with the builder
- Feed later isolated, pulled back to the electrical pit, run underground to a second pit and re-energised
Mains reticulated underground to each building
Permanent mains were trenched in and distributed across the site.
- 100 mm conduit trenched with draw wires and warning tape, backfilled with crushed rock and compacted
- Mains winched from the irrigation and tractor sheds to the new main switchboard
- Feeds carried on to the admin, laboratory and mechanical-services boards
- 240 mm² sub-main re-run along the fence line
- 150 mm² mechanical-services mains terminated, tested and locked out until the board was finished
Boards, lighting and outlets brought up in sequence
Boards were energised only as far as the build allowed.
- RCBOs prewired before the switchboards went up on unistrut beneath suspended dropper tray
- Laboratory board breakers selected to suit the connected loads
- Internal lighting and power circuits tested and energised
- Exit, emergency and external circuits left isolated in connectors until fit-off
- Grow rooms 1 to 3 held until the floors were complete
- Eleven exterior lights assembled onto purpose-fabricated brackets
- Pendant outlets made up with conduit, glands and stainless wire for the sandwich-panel cool, media and grow rooms
Cutting over to the new standby generator
The old set came out and the new generator was brought in.
- Old generator's 150 mm² flexible mains isolated and removed
- 240 mm² XF 110 SDI mains installed to parallel the existing set
- Cables landed on the bottom of the 800 A circuit breaker
- Auto-start and auxiliary supply cables terminated
- Mains outage simulated to prove the auto-start sequence
The results
- Admin, laboratory and grow-room buildings supplied from the new main switchboard
- Switchboard schedules and RCD lists compiled as circuits were proved
- Installation walked through with the inspector and submitted