(1)
The pressure head at the furthest point from the pump in all distribution pipes shall be checked for compliance with Articles 8.7.6.1. and 8.7.8.2. and the design specification at least every 36 months.
The pressure head at the furthest point from the pump in all distribution pipes shall be checked for compliance with Articles 8.7.6.1. and 8.7.8.2. and the design specification at least every 36 months.