the work consists essentially of: The supply and installation of a ductile iron pipe Dn 600 mm on about 3600 ml and the realization of 2 valve manholes Dn 600 mm (y/c equipment and connections), the recovery of all secondary antennas and existing connections, by the supply and installation of ductile iron pipe Dn 100 to 200 mm (y/c equipment and connections), the supply and installation of a buried electromagnetic flowmeter Dn 250 mm and a data logger on a secondary antenna, and the supply and installation of a buried electromagnetic flowmeter Dn 200 mm and a data logger on a secondary antenna

the work consists essentially of: The supply and installation of a ductile iron pipe Dn 600 mm on about 3600 ml and the realization of 2 valve manholes Dn 600 mm (y/c equipment and connections), the recovery of all secondary antennas and existing connections, by the supply and installation of ductile iron pipe Dn 100 to 200 mm (y/c equipment and connections), the supply and installation of a buried electromagnetic flowmeter Dn 250 mm and a data logger on a secondary antenna, and the supply and installation of a buried electromagnetic flowmeter Dn 200 mm and a data logger on a secondary antenna