The purpose of this consultation is to define and monitor a work program to connect a portion of the wastewater from the Saint-Quentin-en-Yvelines (Casqy) agglomeration community and the Satory district in Versailles. the Western Watershed Sewerage Systems (BV West) of the Hydreaulys Sewerage Union.

The content of each element of the project management mission is that contained in Annex III of the Decree of 21.12.1993. The contractor will, within the framework of this contract, carry out the following mission elements: EP - AVP - PRO - ACT - DET - VISA - AOR.