Electrical works for DCU coke cutting pump

Amount

HT CABLE LAYING IN TRENCHES: The scope of work includes horizontal and vertical laying of armoured / unarmoured PILCA / PVC insulated and PVC sheathed/ XLPE HT Al/Cu power cables of OD above 50mm but upto 65mm, voltage grade exceeding 1.1 KV but not exceeding 11 KV ( E ) of following sizes in pre-excavated cable trench or existing trench / RCC or Hume or Stoneware or Metal pipe/ masonry duct, fixing of cable number tag at specified interval and both ends, testing plus transportation from stores to site, unpacking, straightening, dressing of cable, required clamping, cable route markering at a frequent interval and returning the empty drum with unused cable, if any, to stores etc. all complete with labour as per the drawings, specifications of the tender and directions of the Engineer-in-charge. Note: Necessary Crane or Forklift, Tractor and Trailer shall be arranged by the contractor. The scope excludes supply of cables.

HT CABLE LAYING ON TRAYS / STRUCTURES: The scope of work includes horizontal and vertical laying of armoured / unarmoured PILCA / PVC insulated and PVC sheathed/ XLPE HT Al/Cu power cables of OD above 50mm but upto 65mm, voltage grade exceeding 1.1 KV but not exceeding 11 KV ( E ) of following sizes on cable racks/ wall and steel structures upto any Height, fixing of saddles, aluminium strip, number tags (if required), testing plus transportation from stores to site, unpacking, straightening, dressing of cable, fixing with clams/ cleats as required and returning the empty drum with unused cable, if any, to stores etc. all complete with labour as per the drawings, specifications of the tender and directions of the Engineer-in-charge. Note: Necessary Crane or Forklift, Tractor and Trailer shall be arranged by the contractor. The scope excludes supply of cables. Refer Annexure - 1 for OD of cables.

HT CABLE JOINTING KITS: The scope of work includes supply of Heat shrinkable straight through jointing kits and making straight through joints for 3Cx300sqm XLPE insulated HT power cables 6.6KV (UE) / 11KV grade of following sizes with copper/aluminium ferrules including all labour and materials, as per the direction of engineer in charge.

HT END TERMINATION KITS: The scope of work includes supply of heat shrinkable indoor / outdoor end termination kits and making End Terminations for XLPE insulated HT power cables of 6.6KV / 11kv (UE) grade of following sizes including supply of Copper / aluminium lugs, Glands, crimping/soldering as necessary, connection earthing of armour, connecting to equipment terminal, including cutting stripping and glanding with all labour and materials and as per the direction of engineer in charge.

3C - 150 to 300 sqmm - INDOOR KIT

3C - 150 to 300 sqmm - OUTDOOR KIT

Motor Differential Testing: The scope of work includes testing of motor differential protection of 6.6kV, 4650 kW Coke Cutting Pump at DCU including labour and all required testing equipemnts, all complete as per the specifications of this tender and directions of Engineer-in-Charge.The scope of work also includes checking of CT and relay wiring. CT's are located at HT panel and Soft starter panel.

EXCAVATION: The scope of work includes excavation of earth for cable laying / laying of GI pipes / earth strip etc., in all types of soil inlcuding saturated soil, for a maximum depth of 1.5 m and width approximately 0.5 m, including shoring, shuttering and dewatering (if necessary), backfilling and compacting in layers not exceeding 20 cm thick to the finished ground level, including consolidation and disposal of surplus earth within a lead of 50 m, all complete with labour and materials, as per approved drawings, specifications of this tender and directions of Engineer-in-charge. (Excavated trench dimensions shall be measured).

REMOVAL OF SAND FROM CABLE TRENCH: The scope of work includes removal of sand from the cable trench without any damage to the cable and disposing it within a lead of 50 meteres, all complete with all labour and material, as per the specifications of this tender and directions of engineer in charge

Back filling OF SAND to CABLE TRENCH: The scope of work includes filling of sand back to trench, all complete with all labour and material, as per the specifications of this tender and directions of engineer in charge.

SLAB REMOVAL & RELAYING: The scope of work includes removal of RCC slab placed above the cable trench, handling carefully without any damage of the slab and cable beneath it and keeping it back in position after laying / removing the cable and sealing between rcc covers with cement & sand, including hydra crane (if required), job complete in all respect with labours and materials, as per the specifications of this tender and directions of Engineer-in-charge.

Making through and through cut outs in pockets of desired size (50/75/100/150 mm dia) in the RCC floor/walls of treanches / buildings of thickness from 200mm upto 400mm for facilitation of cable entries using concrete core cutting machines and making cut out good using plastering and painting including all labour and materials as per approved drawings, specifications of this tender and directions of Engineer-In-Charge

DEMOLISHING PCC WORK (taking all necessary safety precautions) manually / by mechanical means at ground level or at height, cleaning and disposal of unserviceable material at designated place inside the Refinery premises and restoring the demolished area to normal condition, including supply of all tools and tackles, as per specification and directions of Engineer-in-Charge.

DEMOLISHING RCC WORK (taking all necessary safety precautions) manually/ by mechanical means for all depth and height including supply of all tools and tackles, necessary propping, underpinning, cleaning and disposal of unserviceable material at designated place inside the Refinery premises as per specification and directions of Engineer-in-Charge.

Providing and laying PLAIN CEMENT CONCRETE (PCC)1:4:8 by volume(1Cement : 4 M Sand:8 Coarse aggregate) with OPC 53 grade and 40mm & down size graded crushed stone aggregates for all depths wherever required like in foundations, fillings ,floors,pavements & ramps or any other works etc., including shuttering, tamping, ramming, vibrating, curing, etc. all as specified in any shape, position, thickness and finishing the top surface rough or smooth as specified and directed all complete including cement cost etc, all complete as directed by Engineer-in-Charge.

Providing and laying of REINFORCED CEMENT CONCRETE (RCC) 1:1.5:3 by volume (1cement: 1.5 M sand:3 aggregate) with OPC 53 grade and 20mm anddown size graded crushed stone aggregate materials for convering cable trenches (where RCC demolishing has been done for cable laying) suitable for vehicle movement including pavement, machinemixing, curing, consolidating with vibrator, cement cost etc all complete as per instructions of Engineer-in-Charge.

DEWATERING - ELECTRICAL PUMP: The scope of work includes pumping out of water, including dewatering water mixed with oil/sludge, etc. from cable trenches, depressions etc. by contractors own electrical pump, with cable, labour, hoses, consumables, etc., complete as per the specifications of this tender and directions of Engineer-In-Charge.

The scope of work includes erection and dismantling of steel scaffolding at the required locations as directed by Engineer-in-charge (E.I.C) using supply of 1.5" dia steel tubular pipes with suitable clamping arrangement, providing steel gratings at the required locations firmly tied on to the scaffolding pipes and to the satisfaction of E.I.C and removal/ dismantling of thesteel scaffolding materials on completion of the job. The job alsoincludes supply of scaffolding materials, all types of tools and tackles, lifting arrangements like chain pulley blocks, all consumables and required labour to complete the job in all respects, including transportation of materials and steel gratings up to the work site.

Erection and dismantling upto 10mtr height of scaffolding

Erection and dismantling above 10mtr

STRUCTURAL STEEL: The scope of work includes supply, fabrication & erection of MS base frames, supports for switchgear, control panels and brackets for miscellaneous electrical equipments, cable tray and cable tray supports out of rolled MS sections, pipe, vertical raceways, plate etc., including welding, bolting, riveting, supply of necessary anchor bolts and grouting, etc., supply & drilling in RCC and fixing of metallic anchor fasteners for supporting cable trays, supply of paint and applying one coat of anti rust primer and two finished coats of approved synthetic enamel paint including breaking walls, floors hardware materials, all complete with labour and materials, as per the specifications of this tender and directions of Engineer-In-Charge.

Supply

Fabrication & Erection / Installation

SUPPLY OF CABLE TRAYS: The scope of work includes supply of GI cable trays (upto 300 mm) of ladder type/ Perforated type made out of hot rolled sheet steel of 2mm thick including straight length elbows, tees, crosses, couplers plates, cable tray supports etc., as per the specification of this tender and directions of Engineer-in-Charge.

INSTALLATION OF CABLE TRAYS: The scope of work includes installation of GI cable trays( upto 300 mm) of ladder type made out of hot rolled sheet steel of 2mm thick including straight length elbows, tees, crosses, couplers plates, cable tray supports etc., including welding and bolting of cable trays in existing/new supports, all complete with labour and materials, as per the specification of this tender and direction of Engineer-in-Charge.

VISHNU CONSTRUCTION

SRI LAKSHMI CONSTRUCTION COMPANY

ETA ENGINEERING PVT LTD