Table 5 Data on sprinkler system pump reliability

(Watanabe 1979)

per demand

6.84 × 10 ^-3

(Moelling et al. 1980)

per demand

4.5 × 10 ^-3

1.4 × 10 ^-2

2.4 × 10 ^-2

(Moinuddin et al. 2009)

per demand

8.41 × 10 ^-2

1.21 × 10 ^-1

(Moinuddin et al. 2009)

per demand

1.27 × 10 ^-2

1.90 × 10 ^-2

(Ronty and Keski-Rahkonen 2004)

failures/year

8.7 × 10 ^-3

1.5 × 10 ^-2

2.3 × 10 ^-2

(Ronty and Keski-Rahkonen 2004)

failures/year

2.5 × 10 ^-3

6.2 × 10 ^-3

1.3 × 10 ^-3

(SINTEF 2009)

failures/

120

210

310

10⁶ calendar hours

(SINTEF 2009)

failures/

680

840

1000

10⁶ calendar hours

(SINTEF 2009)

failures/

24

72

170

10⁶ calendar hours

(SINTEF 2009)

failures/

120

210

340

10⁶ calendar hours