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. Fittings at 43–44 and 29–30 are isolated — see 4.5 Legacy (Mains) Street Lights |
| Supply | Primary grid connection to the estate |
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 mains streetlight between units 19 and 20 — see 4.5 Mains Street Lights (In Service) |
| Generator Inlet | Hire ≥30 kVA three-phase generator (60 kVA OK if that is all stocked) for storm standby or prolonged outages — see 3.3.2 Backup Power |
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 DB2 (Near Unit 51)
- Location: Near unit 51
| Item | Detail |
|---|---|
| Meters | Units 45–58 |
| Streetlights | Units 56–58 and 55–56 (not functioning). Includes the legacy fitting at Sunset Park (between Units 55 and 56) and outside unit 58 — both mains-connected but isolated — see 4.5 Legacy (Mains) Street Lights |
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 |
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 |
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) |
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). Sunset Park on the east side is on DB2, not this board — see 4.5 Legacy (Mains) Street Lights |
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 |
| 1.4 | 2026-10-21 | Noted unit 58 legacy street light isolated; linked 4.5 |
| 1.5 | 2026-10-21 | Noted units 43–44 legacy street light isolated; linked 4.5 |
| 1.6 | 2026-10-21 | Noted Sunset Park legacy street light isolated; linked 4.5 |
| 1.7 | 2026-10-21 | Linked functioning units 19–20 mains street light to 4.5 |
| 1.8 | 2026-10-21 | Noted units 29–30 legacy street light isolated; linked 4.5 |
| 1.9 | 2026-10-21 | Added Show on Map locate buttons for each switchboard / distribution box |
| 1.10 | 2026-10-26 | DB1 hire generator: ≥30 kVA (Kennards 60 kVA when 30 unavailable) |
| 1.11 | 2026-10-28 | Sunset Park legacy street light on DB2 (east side); removed from North Shore board |
| 1.12 | 2026-10-30 | Hidden search aliases (DB1 / DB2 / switchboards) |
Next Review Date: 2027-04-28