See II.2.4

This contract covers:

o hydraulic recording of the manifold, to prevent the gravity flow of wastewater into the RV6220 and 6240 manholes during their repair

o pumping effluent from the wastewater collector in order to:

o ensure that wastewater is conveyed upstream of the plug to the downstream collector

o protect the intervention of people in the RV6220 and 6240 manholes throughout the duration of the work

o guarantee the success of rehabilitation services (preparation of supports, levelling, drying time, grooming, etc.) throughout the duration of the site

o prevent any discharge of wastewater in dry weather from overflows of storm overflows (DO) DO6160, 6190, 6200 and 6500 by loading the collector