The survey crew also marks the center-line of the trench as a guide for digging.

Road-cutter provides a clean edge through the material without transmitting cracks or damage further into the structure.Asphalt Pavement to be removed shall be neatly saw cut full depth along straight lines. Only such pavement shall be removed as is necessary to excavate for the appurtenances, but the pavement shall be cut a sufficient distance outside the excavation to prevent damage to adjacent pavement. Road cutter and excavator with breaker are used in the process.