The concept of the proposed Strategic Tunnel Enhancement Programme (STEP) system is to use a series of link sewers to intercept flows from existing gravity sewers upstream of the existing pumping stations and transfer the flows by gravity into the deep tunnel sewer, thereby providing relief to the existing main collector system. Read more: https://www.encardio.com/strategic-tunnel-enhancement-programme/
Det opplastede innholdet vil bli flyttet til det nylig opprettede albumet. Du må opprett konto eller logg inn hvis du ønsker å endre dette albumet senere.