Fabrication of cable trays and dismantling of lighting tower in Phase-2 plants.

Fabrication of cable trays and dismantling of lighting tower in Phase-2 plants.

Supply of MS angle 50x50x6mm: The scope of work includes supply of M.S. Equal Angle (ISA) of size 50x50x6mm as per IS:2062.

Supply of MS flat 50x6mm: The scope of work includes supply of M.S. flat of size 50x6mm as per IS:2062.

Supply of MS channel 125x65mm: The scope of work includes supply of MS Channel (ISMC) of size 125x65mm as per IS:2062.

Fabrication of cable tray: The scope of work includes fabrication, painting and erection of ladder type cable tray of size up to 1000mm and cable tray supports using items supplied vide Sl.No. 1,2 and 3 of this work schedule in phase-2 plants. Safe custody of MS items, loading/un-loading, transportation etc. is in contractor’s scope. The fabricated cable rack supports shall be welded to the structures/ insert plates at various levels of the buildings. The contractor shall provide sufficient anchor bolt of size not less than 12 X 100 mm at an interval of 1 meter for fixing the cable tray support if structures/insert plates are not present. The cable tray and support shall be painted with two coats of anti-corrosive epoxy paint (grey colour) over two coats of suitable primer. Anchor bolts, anti-corrosive epoxy paint and primer required for successful completion of the work shall be arranged by the contractor.

LT Cable tying: The scope of work includes, dismantling the existing LT power and control cables of different sizes from old cable rack after removing the clamps and positioning the same on newly fabricated cable tray. The cables shall be laid back, positioned, dressed and tied firmly on to the new racks. The cables shall tie at an interval of 50 cm using 3 mm nylon rope. Necessary material for tying/clamping of the cable shall be brought by the contractor. The length given against this item is the cable rack length not the length of the cable.

Dismantling of lighting tower: The scope of work includes dismantling of old MS structural lighting tower in 5000MT Ammonia storage installation. Light fittings shall be disconnected and handed over to Technician-in charge. Loading, transportation and unloading of the dismantled MS scrap materials to scrap yard after weighment is in contractor's scope. Crane and vehicles for transportation shall be arranged by the contractor.