Systems & Services · Requirement 25 of 27
Service locations — fire-fighting water hydrants
Sprinklers, wet risers, hose reels, external hydrants and fire pumps to SBC 801; a 126 m³ fire-water tank; R17 fire & life safety plans.
Answer
To SBC 801: full sprinklers, wet risers and hose reels, external hydrants, fire alarm with voice evacuation, fire pumps (electric + diesel + jockey); fire-tender route over the podium (1,200 m2).
Fire water (calculation R17): dedicated fire tank 126 m³ (7.0 × 6.0 × 3.0 m) below the basement slab – NFPA 13 Ordinary Hazard Gr. 2 sprinklers 1,126 L/min + hose streams 946 L/min for 60 min – beside the 480 m³ domestic tank (2 compartments) and a 30 m³ TSE tank; all drawn as dashed outlines on the basement plans. The R17 fire & life safety plans mark the fire stairs, escape routes, travel distances, fire hose cabinets, external hydrants and assembly points. Hydrant positions to be confirmed with the RCJY utilities department and Civil Defence.
Key data and sources
Each figure with the drawing, study or standard it comes from.
| Item | Value | Source |
|---|---|---|
| Systems | Sprinklers, wet risers, hose reels, hydrants, FA + voice evacuation | SBC 801 |
| Pumps | Electric + diesel + jockey | SBC 801 / NFPA 20 |
| Fire water | 126 m3 fire tank + 480 m3 domestic + 30 m3 TSE | Calculation R17 |
| Travel distance | <= 76 m (sprinklered) | SBC 801 |
| Hydrants | Positions with RCJY utilities and Civil Defence | - |
Drawing evidence – R17 sheets
The latest issued drawings (8 November 2026). Click a sheet to open it full size.









Where it is in the RC presentation
Wafaiya_Yanbu_RC_Submission_REV09.pdf (135 pages) – click a page to open it full size.
Evidence photos
The photos attached to this item in the compliance answer sheet.
References
- SBC 801; NFPA 13 / 14 / 20; BOQ 14.H.07, 14.S.02; fire-tender route on Y5S-AR-SP-01




