Lot 1: Cleaning of all school buildings

Lot 2: Cleaning the windows of all school buildings

Cleaning of school premises and buildings:

- item 1: periodic cleaning

- station 2: large cleaning 3/year

- Item 3: cleaning in direct control

Cleaning of school premises and buildings:

- item 1: periodic cleaning

- station 2: large cleaning 3/year

- Item 3: cleaning in direct control