Cable marker with lettering and sign as shown in Appendix B1 and Appendix B2 shall be provided by the Electrical Contractor at every change in direction of underground cable routes and at every 15 m on straight run. Cable markers shall be of heavy duty reinforced concrete construction and approved by the S.O.’s Representative.
The cable marker shall be of trapezoidal block with 100 mm square top face, 150 mm square bottom face and 400 mm in height as shown in Appendix B3. The top face shall be indented with bold lettering ‘L.V.’ and directional sign indicating the direction/directions of the cable route.
Thecable marker shall be fully painted orange using standard road paint. The cable marker shall be buried to a depth of 300 mm. Cable joint marker of similar construction but with the lettering and sign as shown in Appendix B3 shall be provided and installed at every cable joint in the similar manner.