Table 6 Data on sprinkler system water supply reliability
Description | Source | Unit | Minimum | Mean | Maximum |
|---|---|---|---|---|---|
Dual supplies | (Brammer 2010) | per demand | 5.0 × 10 -9 |  | 2.4 × 10 -5 |
Town main | (Brammer 2010) | per demand | 5.6 × 10 -4 |  | 1.1 × 10 -2 |
Pumped supply (diesel) | (Brammer 2010) | per demand | 1.8 × 10 -3 |  | 3.8 × 10 -3 |
Elevated tank | (Brammer 2010) | per demand | 1.9 × 10 -4 |  | 1.8 × 10 -3 |
Town main | (Moinuddin et al. 2009) | per demand |  | 1.87 × 10 -4 | 3.72 × 10 -4 |
Gravity tank | (Moinuddin et al. 2009) | per demand |  | 2.28 × 10 -4 | 2.28 × 10 -4 |
Storage tank | (Moinuddin et al. 2009) | per demand |  | 4.64 × 10 -3 | 9.34 × 10 -3 |
Water supply line (per m) | (Moinuddin et al. 2009) | per demand |  | 1.29 × 10 -5 | 2.18 × 10 -5 |
Town main | (Ronty and Keski-Rahkonen 2004) | failures/year | 2.6 × 10 -4 | 1.0 × 10 -3 | 2.5 × 10 -3 |
Storage tank | (Ronty and Keski-Rahkonen 2004) | failures/year |  |  | 6.5 × 10 -3 |
Pressure tank | (Ronty and Keski-Rahkonen 2004) | failures/year | 1.0 × 10 -3 | 2.0 × 10 -2 | 9.3 × 10 -2 |