Provide a detailed drawing showing the coordinates and structural design according to SA standards and concurred by the project designer. // Attach the site layout/ interface drawings. // The top of the ductbank shall have a red oxide cement for utility identification and in addition a yellow electrical marker tape must be laid prior to final backfilling. // Specify the material to be used. 6. Provide cross section profile of the duct bank showing the ditch and the underground IDAS, Transformers, and Perimeter lighting cables. 7. The installation and construction of duct bank shall be in accordance with Saudi Electric Company Standard, SAES P-104 and NFPA-70.