English to Spanish Other Construction / Civil Engineering

We need to know the hourly flow rates that will be required by your piling machine, in order to ascertain the effect on the network and to consumers in the area.We also need to know what potable water demand rates will be required for your piling work.

I am slightly confused by the start date since the SHIPPING MAIN DIVERSIONS have not yet been concluded on this site. Its shallow depth will inevitably bring about more damage to an already weakened pipe by numerous hits by machinery. I understand our SHIPPING MAIN was once again damaged yesterday.