OFC cable trench excavations, laying of OFC cable with ducts, inspection chamber construction, cable blowing and manual laying, reparation of built surveys, laying of route markers, indicators and sign boards, major bridges crossing technical details, bridge attachment cable works, cable protection works, Ground Based Tele (GBT) communication tower foundation and erections work, Roof TopTele (RFT) communication tower foundation and erection work, tele communication route survey works and detailed drawing preparations.