Large Of Work: Construction Of A Regulatory View Including Technical Equipment: - Supply And Installation Of A Dn 500 Mm Wall Valve. - Supply And Installation Of A Conical Vortex Regulator Dn 500 Mm. - Supply And Installation Of A Dn 300 Guillotine Valve. - Supply And Installation Of A Dn 500. - Mechanical Earthworks Valve In Large Mass: 3700 M3; - Supply And Installation Of A Rigid Mesh Fence H = 1.80 Length 150 M;