IWA Publishing

Table 1

Consequence severity levels

FR	Consequence	Number of breakages per month
<0.5	Insignificant	0.17 (1 per 6 months)
0.5–1	Minor	0.33 (1 per 3 months)
1–2	Moderate	0.67 (1 per 1.5 months)
2–3	Major	1.00 (1 per month)
>3	Severe	> 1.00 (1 per Month)

FR	Consequence	Number of breakages per month
<0.5	Insignificant	0.17 (1 per 6 months)
0.5–1	Minor	0.33 (1 per 3 months)
1–2	Moderate	0.67 (1 per 1.5 months)
2–3	Major	1.00 (1 per month)
>3	Severe	> 1.00 (1 per Month)