# Instance: Field Devices — Plumbing & Sanitary (Kingsford BMS)

**WBS leaves served:** 2.5.1, 2.5.2, 2.5.3, 2.5.4, 3.5.2
**Module ref:** `_playbook/modules/bms/field-devices-plumbing.md`
**Project:** Kingsford Hotel Bacolod BMS

## Project-specific parameter values

(Per A1 system="Plumbing & Sanitary Hotwater" + system="Boiler/Laundry" c_o=BMS Contractor filter)

- Calorifier tank temperature sensors: 6 (3 LZ + 3 RD)
- HW header temperature sensors: 6 (2 sets × 3 sensors: HW supply, HW return, MUCW)
- Boiler-related BMS sensors: 8 (2 boilers × 4 BMS-side AI: steam pressure, feedwater temp, fluegas T, fluegas O2)
- Boiler-related BMS actuators: 2 (motorized blowdown valve control × 2 boilers — BMS supplies actuator)
- Pump aux-contact wiring kits: 12 (6 HP + 6 RP — wiring kit only, BMS doesn't supply the pumps)

## BOQ line items (Phase 6 input)

| WBS | Description | Qty | Unit | Reference |
|-----|-------------|-----|------|-----------|
| 2.5.1 | Tank temperature sensor (strapped or immersion, BMS-supplied) | 6 | each | A1 calorifier tank temps |
| 2.5.2 | HW supply header temperature sensor | 2 | each | A1 hdr-hw-* supply |
| 2.5.2 | HW return header temperature sensor | 2 | each | A1 hdr-hw-* return |
| 2.5.2 | Make-up cold water temperature sensor | 2 | each | A1 hdr-hw-* makeup |
| 2.5.3 | Pump aux-contact wiring kit (Heat Pump) | 6 | each | A1 HP rows |
| 2.5.3 | Pump aux-contact wiring kit (Recirculating Pump) | 6 | each | A1 RP rows |
| 2.5.4 | Boiler steam pressure sensor (BMS-supplied) | 2 | each | A1 sb-*.steam-pressure |
| 2.5.4 | Boiler feedwater temperature sensor | 2 | each | A1 sb-*.feedwater-temp |
| 2.5.4 | Boiler fluegas temperature sensor (high-temp) | 2 | each | A1 sb-*.fluegas-temp |
| 2.5.4 | Boiler fluegas O2 sensor | 2 | each | A1 sb-*.fluegas-o2 |
| 2.5.4 | Boiler motorized blowdown valve (BMS-supplied actuator) | 2 | each | A1 sb-*.blowdown-vlv-cmd |
| 2.5 | Mounting hardware (clamps, thermowells, valve fittings) | 1 | lot | per device + 5% |
| 3.5.2 | Plumbing field device installation labor | ~22 | hr | B4: ~22 devices × 1 hr |

## Open assumptions for this instance

- Strapped vs. immersion calorifier tank sensors per spec
- Boiler thermowells in the steam line / fluegas duct require equipment-supplier coordination — verify with Q-008
- A-PL-001 affects pump status routing (LZ DI / HZ HLI) but doesn't change device count

## Cross-references

- **Working docs:** A1 (PL + Boiler systems c_o=BMS), A3 (cable to each device)
- **Assumptions:** A-PL-001 (LZ DI / HZ HLI split)
- **Clarifications:** Q-008 (mech layouts), Q-020 (booster pumps — not currently in scope)