| The regular inspections are carried out by experts and proficient people and take place as follows:
Internal inspection (every 5 years)
The receiver is disconnected from the network and not under pressure. The inspection aperture is opened and the receiver thoroughly cleaned from inside. The walls must be metallically clean. The expert must inspect the internal condition of the receiver and certify that it is serviceable.
Pressure test (every 10 years)
The receiver is disconnected from the network and not under pressure. The fittings must be unscrewed and the connection openings closed with plugs. The receiver is filled completely with water and the handpump connected for the pressure test. The receiver is then brought to operating pressure with the aid of the handpump and checked for leaks by the expert. |