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3.3.1 Grid

Main Switchboard (Units 37–38)

  • Location: Between units 37 and 38, east side; fed from an overhead power line
Item Detail
Meters Units 30 through 34
Streetlights Legacy meters for lights between units 43–44 and 29–30
Supply Primary grid connection to the estate

Main switchboard between units 37 and 38

Distribution Board DB1 (Near Unit 22)

  • Location: Near unit 22 on the east side
Item Detail
Meters Units 17–29; three meters for the bores and sewerage pits (Pit 1 and Pit 2)
Streetlights Functioning streetlight between units 19 and 20
Generator Inlet Hire ~30 kVA three-phase generator for storm standby or prolonged outages

Potable supply is gravity-fed from hill tanks (days to weeks without bore refill, season-dependent); Pit 1 and Pit 2 pumps typically require generator power within ~12 hours. See 3.3.2 Backup Power.

Distribution board DB1 near unit 22

Generator inlet on DB1 for hire-generator backup

Distribution Board DB2 (Near Unit 51)

  • Location: Near unit 51
Item Detail
Meters Units 45–58
Streetlights Units 56–58 and 55–56 (not functioning)

Distribution board DB2 near unit 51

West Side Main Switchboard (DSB-DB1)

  • Location: Between units 66 and 75
Item Detail
Function Connects the west side to the public network
Meters Units 66–75
Streetlights Non-functioning streetlight in that area

West Side Main Switchboard (DSB-DB1)

Sewerage Pit 3 Distribution Box

  • Location: Near Pit 3
Item Detail
Meters Pit 3 and Pit 4 (on the same meter)
Streetlights Non-functioning streetlight between units 65 and 66

Sewerage Pit 3 Distribution Box

Pit 5 Distribution Box

  • Location: Near Pit 5
Item Detail
Controls Pit 5
Meters Units 75, 76, 79, and 80
Streetlights Units 75–80 (not functioning)

Pit 5 Distribution Box

North Shore Main Switchboard (Near Unit 7)

  • Location: North shore near unit 7
Item Detail
Function Grid connection for the north shore
Meters Units 1–16
Streetlights Legacy streetlights that no longer function

North Shore Main Switchboard

WWTP Control Room

The treatment plant has its own wall-mounted distribution board (WWTP DB) inside the control room: 63 A main, then Control Panel, Aircon, Power, and Lights circuits. An in-ground electrical pit sits behind the container. See 3.2.13 Power Distribution Board and Electrical Pit.

Version Control

Version Date Description
1.0 2025-10-06 Initial Release
1.1 2026-08-29 Added switchboard photos; DB1 generator inlet documented
1.2 2026-08-30 Linked WWTP control-room distribution board
1.3 2026-08-30 Linked electrical pit behind the WWTP control room

Next Review Date: 2026-04-06