This program of requirements (PVE) is intended for the maintenance of all sewer ground and mini ground under management of the municipality of Wijdemeren. This includes the following activities:

• Carry out annual preventive maintenance

• Cleaning of installations (1 to 4 times a year depending on installation)

• Resolving all common failures

• Renovating approximately 20 mini ground per year

Object Type Number

Mini ground 575

Central distribution boxes 41

Sewer ground 38

Mountain Settling Facilities 2