a31 PAI Sanitation - zone 8 works; TPC mineralization and recovery of slotted gutters

the consultation concerns:- the marking of the site at the beginning of the work and the de-marking at the end of the work,- the rehabilitation of the sewerage network in the Terre-Plein Central,- the creation of two new sewerage crossings by sinking and the partial resumption of the waterproofing of existing crossings,- the mineralization of the Terre-Plein Central,- the removal and installation of equipment (restraint devices and vertical signalling) central burial,- the realization of horizontal marking of edge strips