Laying of 3 X 400 Sq mm power cable from 110 kV Substation to Water Treatment Plant in FACT UC.

Excavation of cable trench (1M depth x 0.5 M width) in soil for the purpose of laying cables, in between 110kV Substation and Water Treatment Plant in FACT-UC. The estimated length of cable trench is 1900 meter.

"Laying of 3 core, 400 sq.mm, XLPE, 3.3 KV grade armoured cable with Aluminum conductors from 110 KV Substation to Water Treatment Plant in FACT UC, through the newly excavated cable trenches/through pipes/culverts /cable racks/DWC HDPE pipes etc: The scope of work includes taking delivery of the cable from its storage place inside the company in steel drums of 1000 meter length, un-reeling and laying the cables through the intended route [cable trench/pipes/culverts/cable racks/DWC HDPE pipes, etc] without any twist/damage to the outer sheath. Heavy Equipment support like Fork Lift/Cranes/Lorry/Trailer etc.. for loading, unloading and transporting of cables from Udyogamandal store to site shall be arranged by the contractor. Note : The 3.3 KV cable intended to lay is of length one kilometer in single drum. Hence sufficient numbers of cable rollers for un-reeling the cable shall be arranged by the contractor to enable trouble free laying of the cable."

Laying of 3 core, 400 sq.mm, XLPE, 11 kV grade armoured cable with Aluminum conductors from 110 KV Substation to Water Treatment Plant in FACT UC, through the newly excavated cable trenches/through pipes/culverts /cable racks/DWC HDPE pipes etc: The scope of work includes taking delivery of the cable from its storage place inside the company in steel drums of 500 M length, un-reeling and laying the cables through the intended route [cable trench/pipes/culverts/cable racks/DWC HDPE pipes, etc] without any twist/damage to the outer sheath. Heavy Equipment support like Fork Lift / Cranes / Lorry / Trailer etc.. for loading, unloading and transporting of cables from Udyogamandal store to site shall be arranged by the contractor. Sufficient numbers of cable rollers for un-reeling the cable shall also arranged by the contractor.

"Supply of sand [river sand/M-sand/quarry dust] and back filling of the cable trench with sand and riddled soil, in the following sequnce of operation. a) Initial sand filling : Supply and fill the trench with fine quality river sand/M-sand/quary dust upto a height of 100 mm from the bottom. b) Cable laying : Lay power and OFC cable as per Annexure-1 [Note : Rate for cable laying is excluded from this item, as per Sl Nos. 2,3 and 8 of the schedule of works.] c) Additional sand filling : Supply and fill the trench again with fine quality river sand/M-sand/quary dust upto a further height of 150 mm [total 250 mm from the bottom] d) Concrete tile protection: Lay protection concrete tiles over the sand covering, as per Annexure-1 [Note : Supply rate for concrete tile is excluded from this item, as per Sl No. 6 of the schedule of works.] e) Riddled soil filling : Fill the trench with riddled soil upto a height of 450 mm from the top of protection concrete tile. [Note : supply rate for riddled soil is excluded from this item as it is available.] f) PVC warning tape : Lay PVC cable warning tape [15 mm wide] in the middle over the filled riddled soil, as per Anexure-1. [Note : Supply rate for PVC warning tape is excluded from this item, as per Sl No. 7 of the schedule of works.] g) Final soil filling : Fill the trench upto the top with the riddled soil. [Note : supply rate for riddled soil is excluded from this item as it is available.]"

Supply and placing of cable route marker at a distance of every 50 M and at places of bend/ deviation in the route with concrete tile of 50 mm thickx500mm widthx1000mm length with necessary engraving as directed.

Supply of cable protection reinforced concrete tile (grade M 20) of size 5cm x 40cm x 50cm (min.)

Supply of Under ground Electrical warning tape of minimum width 300 +/- 2mm and minimum thickness of 100 microns. Warning tape should be highly visible yellow tape with "CAUTION - ELECTRIC CABLE BELOW" printed on it in black colour.

Supply of HDPE conduit of pre-approved colour and size 40 mm or above, with necessary couplers. suitable for drawing 12c Single mode armoured optical Fibre cables (OFC) and laying the same from 110 KV substation to Water Treatment Plant along with the power cable as detailed in Sl Nos 2 and 3. The HDPE conduit inserted with OFC shall be placed in the power cable trench as per Annexure-1. The required length of OFC will be supplied by FACT . All other items and accessories required for OFC cable laying like HDPE conduits, connectors, end caps, fittings, sealing materials, OFC drawing tool/materials etc. are under the scope of Vendor.

Cutting and opening of road including Bitumen layers / hard soil (1M depthx 0.5M wide) , for the purpose of laying cables through DWC HDPE duct pipes, as per the Annexure-2 and backfilling at the bottom with PCC of M25 at a height of 0.25 m from bottom and the balance with riddled soil.

Chipping of concreted area/ concrete slab, etc for, laying cables or pipes and normalising the concreted floor or slab after laying of cables/pipes, as directed by the Engineer-in-charge.