GB 50500-2013 第1.1条
| **Appendix E.** | **Fire protection engineering (hotel sprinkler/alarm)**: **Water sprinkler piping** shall be measured by the length of the pipeline centerline as shown on the design drawings in "m" (without deducting the length occupied by valves, pipe fittings and various components). **Sprinkler heads** shall be measured by the quantity shown on the design drawings in "pieces". **Automatic fire alarm system**: point-type detectors shall be measured by the quantity shown on the design drawings in "pieces" (regardless of wiring system). |