Thank you for the reply, but the client proposed this so that it would be cost which later on to be damaged during development of these lands since that manhole is located inside the developers' land for the sole purpose that the developer would connect his network to the main line using that...
We're working on main sanitary sewer line of a new city with diameters varying from 2000mm up to 2750mm.
There are lands which will be developed during the next +10years which had Tie-in points to the main line with diameter of 900mm up to 1300mm with depth of at least 3 meters and ending with...
