Underground Cable Installation Procedures

These three methods are explained below with their advantages and. Underground service conductors that are not encased in concrete and that are buried 18 inches 457 mm or more below grade shall have their location identified by a warning ribbon that is placed in the trench not less than 12 inches 305 mm above the underground installation. There are three main methods of laying underground cables which are i direct laying ii draw in system and iii solid system.

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Underground cable installation cable pre installation procedures the following items are key considerations in preparation for installing the fiber optic cable when the construction is ready for cable placement.

Underground cable installation procedures.

Preventive maintenance this aims to thwart possible faults that arise from outright negligence of the power distribution infrastructure. Added section on live end. Underground cable installation equipment procedures when the decision is made to go underground on a new distribution system there are many different areas to consider prior to construction. Standardisedcable installation depth to minimum cover of750 mm and maximum depth of 1500mm section 14 9 added section 14 10 clarified marker tape and protective cover requirements section 14 11 clarified cable sealing exposed cables and terminated cables requirements section 14 13 14 14 and 14 15.

The reliability of underground cable network highly depends upon proper laying of cables quality of cable joints and branch connections etc. Underground cable maintenance procedures routine maintenance can help minimize the frequency of cable faults and these procedures are classified as follows. Optical fiber cable should be carefully inspected when received and stored safely onside during storage before installation. In the following paper we would like to suggest some of these areas for your consideration in regards to equipment and procedures for underground.

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