Telecommunication cables are sensitive to install as it required excavation Manually. Machines are not mostly required as the size of the trench is narrow as compare to pipeline trenches. (DU & ETISALAT)

Hand excavation is exactly what it sounds like: backbreaking labor accompanied by a shovel. Hand excavation during the planning process for a trenchless operation is called “potholing.” Potholing allows the geotechnical team to visually assess subsurface conditions presented within a pit excavated for this purpose.