# Instance: BMS Cabling & Containment for Kingsford Hotel Bacolod (A/B run)

**WBS leaves served:** 2.7.1–2.7.6, 3.1, 3.2, 3.3
**Module ref:** `_playbook/modules/bms/cabling-and-containment.md`

## Project-specific parameter values

From `A3-cable-schedule.yaml`:
- 198 field cables
- 7 trunks
- 6 power feeds
- Grand total cable length: **6,780 m** (per A-001 30 m field default + 80 m trunks)

## Cable mix

| Type | Length (m) approx |
|------|-------------------|
| 4C × 1.5 mm² FRLS shielded (BMS signal — sensors) | 1,800 |
| 4C × 1.5 mm² FRLS (equipment aux contacts) | 2,000 |
| 4C × 1.5 mm² FRLS (ME-supplied valve/damper signals) | 800 |
| Modbus shielded twisted-pair (EE meters + trunks) | 600 |
| Cat6 4P × 23 AWG U/UTP FRLS (BACnet IP) | 580 |
| BACnet MS/TP / 1pr ×22AWG twisted-pair trunks | 200 |
| 3C × 2.5 mm² FRLS (panel power) | 800 |

## Containment

- GI cable tray 200 mm horizontal trunk on plant-room ceilings, riser shafts (≈ 220 m total)
- GI conduit 25 mm branch to field devices (≈ 4,000 m total)
- Cast junction boxes IP54 (≈ 200 ea) + glands + accessories
- Demolition allowance (W1, conditional on Q-001): 1 lot, priced as separable line in 7.x

## BOQ line items

Per module template × A3 totals.

## Cross-references

- Working docs: A3, B4
- Assumptions: A-001 (cable lengths — known weak point per `_playbook/checklists/transparency-layer.md`), A-009 (full new pull)
- Clarifications: Q-006 (floor plans → refine cable lengths)