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| 1 | Carrying out the neceaasary electrical work as detailed below (To be executed as per clause 42, 43, 44 & 45 of the conditions of the contract) |
| 2 | Disconnection and complete dismantling all electrical panels, boards and all existing electrical connections of all incommer and outgoing cables,of all indication and energy meters in coordination with the electricity department, Disconnection of existingelectrical connections of all bus bars, switches, capacitor panels, capacitors, etc. Switch fuse units, Mccbs, Mcbs, of all ratings, jointing of copper wires upto 4 core 16 sq mm copper wires, jointing of copper wires upto 4 core 35 sq mm armoured aluminium cable, jointing of copper wires from4 core/ 3 1/2 core 25 sq mm copper wires, jointing of copper wires upto 4 core/ 3 1/2 core150 sq mm armoured aluminium cable, jointing of copper wires from 4 core/ 3 1/2 core 185 sq mm copper wires, jointing of copper wires upto 4 core/ 3 1/2 core240 sq mm armoured aluminium cable. Removing the existing armoured cables of all sizes and relaying it in existing trenches, excluding glanding and termination of all incomming and outgoing cables of all sizes and types, including joining with jointing kits of allaluminium conductor and copper conductors, armoured and unarmoured cables and wires. The jointing strictly to be carried out with approved make jointing kit, to be carried out with cable jointing kit, all etc. complete |
| 3 | Making of cable trench in ground 60 cms deep finished level with required cement plaster 1:3:6 etc all complete |
| 4 | Supply, fabrication and installation of chequred plate 10 mm thick, M.S. on the existing trench including supply and fixing M.S angle frame of size 50mmX50mmX 8 mm to mount the chequered plate . |
| 5 | Supply and laying insulating mat with following specifications:Max. use Voltage -11 kv Ac Proof Voltage -22 kv Ac Di-electric Strength -45 kvMax. Leakage Current -30 mAMin. Insulation resistance measured by 5000 V megger- 100000 MMin. Tensile Strength (N/mm2) -15 Min. Elongation(%) 2-50Minimum Retention in Tensile Strength and Elongation from Original Value on Ageing at 70+-1\"C for 168hrs75 %Minimum Retention in Tensile Strength and Elongation from Original Value when immersed in Acid/Alkali/Diesel/Transformer Oil for 48Hrs- 80%Low Temperature –yesFlame Retardance-yesComposition - synthetic elastomer |
| 6 | Supply, installation, testing & commissioning of Main panel board as per SLD made of 14 swg CRCA sheet ,powder coated with an angle support stand 500 mm high made of angle of suitable size with following accessories.The GA diagram of the panel to be submitted before fabrication as per the space availabe at site . Energy meter is in customer scope The control cable copper conductor of requied size from existing D.G set to the ATS in the new paneland automatic operationcommissioning of existing D.G set is included in the scope of this item. Bus bar chamber copper and cable alleys to be provided as required etc all complete |
| 7 | Design Manufacture and Supply of Main Panelas below ?Panel Construction :- Modular; Finish :- RAL 7035 PP;Panel Location :- Indoor;Panel Mounting :- Floor Mounted;Cable Entry :- Bottom;Cable Termination :-Rear; Form :-2B, IP Rating:- 54INCOMER:TP 800A 36Ka Microproessor Release MCCB+ Spreaders+ Extended RotaryHandle + Shunt Release Coil - 1 NosFP 800A ATS -1 Nos ; FP 800A COS -1 Nos ; Voltmeter +VSS -2Sets ;MFM with RS485-1Nos ; CT 800/5A CL1 5VA -9 Nos ; SP 6A MCB- 9 Nos ; RYB Ind LED -2SetsAluminium bus bar 800 amps rating 1 setEssential Section :TP 250A MCCB 36Ka + Spreaders + ExtendedRotary Handle - 2 NosTP 100A MCCB 18Ka + Spreaders+ Extended Rotary Handle - 8 Nos MFM With RS485 -3 Nos ; CT 250/5A CL 1 5VA - 3 Nos ; SP 6A MCB -3 NosNon Essential Section:TP 100A MCCB 18Ka +Spreaders+ Extended Rotary Handle -9 Nos TP 250A MCCB 36Ka +Spreaders+ Extended Rotary Handle -4 Nos Capacitor Bank:25Kvar Capacitor APP Type - 5Nos ; 15Kvar Capacitor APP Type-1Nos ; 10Kvar Capacitor APP Type - 1Nos ; 12.5Kvar Contcators -2Nos ; 30Kvar Contactors -5Nos ; TP 63A MCCB 18Ka-5 Nos ; TP 32A MCCB 18Ka -1Nos ; TP 25A MCCB 18Ka-1 Nos ; Add On Blocks -7 Nos ; APCR 8 Stage Relay -1 Nos ; CT 250/5A CL 1 5VA-1Nos ; Fan for Cooling-1Nos Fire Panel Section :TP 250A MCCB 36Ka +Spreaders+Extended Rotary Handle -1 NosFP 250A COS -1Nos ; MFM With RS485 -1Nos ; RYB Ind LED -1Sets ; CT 250/5A CL 1 5VA -1 Nos ; DB Section:TP 63A MCB 10Ka-3 Nos TP 250A MCCB 36Ka +Spreaders+ Extended Rotary Handle -4 Nos |
| 8 | Supply, installation, testing & commissioning of Meter panel board made of 16 swg CRCA sheet as per SLD, powder coated with an angle support stand 500 mm high made of angle of suitable size with followwing accessories The cable/wiresizes and conductorsfor internal panel wiring shall be as per the sizeand conductors of the existing meter box incomming and outgoing wires/cables.with bus bar chamber and cable alleys to be provided as required. SLD and GA drawing to be submitted before fabrication.The 18 nos. meter compartment shall be as per size approved by electricity department and with sealable arrangemets.TP 100A MCCB 18Ka -3 NosTP 63A MCCB 18Ka -6 NosTP 32A MCCB 18Ka -8 NosFP 100A Isolators-1 NosFP 63A Isolators-5 NosTP 32A MCB 10Ka -8 NosFP 63A ATS -2 NosFP 63A MCB 10Ka -2 NosFP 40A MCB 10Ka -20 Nos |
| 9 | Supply, installation, testing & commissioning of Bypass panel board made of 14 swg CRCA sheet ,powder coated with an angle support stand 500 mm high made of angle of suitable size with followwing accessories four pole 800 amps manual bypass switch make as approved. |
| 10 | Supply and providingChemical earthing system (Pipe in pipe type)withOuter pipe of the electrode having minimum 50mm diameter as per the enclosed specifiations and drawing.The outer and the inner hot dip galvanised MS pipes shall conform to the specifications and the space inbetween shall be filled withhighly crystalline conductiveand anti- corrosive mixture conforming to IS-3043. The earth electrode shall be CPRI tested. The scope of work includes boring( 300mm dia mimnimum)/exvavation of soil/hard rock, refilling with required quantity of back fill compound/Ground resistance enhancement powder of requisite quantity, compaction, constuction of masonary chamber etc complete as required to obtain the desired value.Aluminium tag with embossed earthing value shall be permanently attached to the pipe electrode \"(b) 2 metres length electrode |
| 11 | Constructing aspecial masonryinspection chamber for earthing system as per the enclosed drawing and specifications. Thesquare chamber( 860 x860mm) shall be constructed with brick masonry of 230 mm on a solid base of 75mm rubble packing and 75mm PCC. The floor level shall be finished with 50mm cement concrete. The inside wall of the chamber shall be plastered with 12mm plaster finish. A removable CI/RCC cover of size 400x 400mm ona angle box frame of 35x35x5mm shall be provided with locking arrangements/ lifting lugs. The scope of work includes all material labour etc complete as required. |
| 12 | Supplying and making cable end terminations with brass compression gland and aluminium lugs for folowing sizes of 3 1/2 Core PVC insulated PVC sheathed/XLPE aluminium conductor cable of 1.1 KV grade, completeas required. |
| 13 | (1) 3 1/2x 25 Sq. mm. |
| 14 | (2) 3 1/2x 35 Sq. mm. |
| 15 | (9) 3 1/2x185 Sq. mm. |
| 16 | (10) 3 1/2x 240 Sq. mm. |
| 17 | Supply of 3 1/2 core armoured PVC/XLPE insulated,PVC sheathed aluminium conductor cable of 1.1 KVgrade with ISI mark conforming to IS:1554(Part I),IS:7098(Part I) with latest amendments of following size |
| 18 | 3 1/2 core 25 sq mm |
| 19 | 3 1/2 core 35 sq mm |
| 20 | 3 1/2 core 185 sq mm |
| 21 | 3 1/2 core 240 sq mm |
| 22 | Laying of one number PVC insulated and PVCsheathed/XLPE power cable of 1.1 KV grade of size notexceeding 25 sq.mm in the existingRCC/HUME/STONEWARE Metal pipe, etc. complete asrequired |
| 23 | Laying of one number PVC insulated and PVCsheathed/XLPE power cable of 1.1 KV grade of size exceeding 25 sq.mm but not exceeding 400 sq.mm inthe existing RCC/HUME/STONEWARE Metal pipe, etc.complete as required |
| 24 | Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1 KV grade of size exceeding 120 sq.mm but not exceeding 400 sq.mm direct in ground including excavation in the form of a trench as per Cable Trench Drawing provided by the Engineer-Incharge, sand cushioning with screened sandbed of 20mm thick , protective covering with bricks placed breadth-wise on top of cable all over the run( the brick protection shall cover the cable and project atleast 5 cms over the sides of the cable)and backfilling the excavated earth without stones or hard material and making the surface proper with 15 cm crown on the top complete as required including breaking of concrete layer on surface and disposing the excavated material from EDC building premises.(a) In soily strata |
| 25 | Supply, Installation, Testing& Commissioning of 2\" x 2\" (600 x 600mm) 38 w (system wattage) LED watt light tile with full diffuser 84% transferancy 6000k color temp and CRI >78%.The fitting shall be fixed with chain, screws, etc. to the false ceiling by removing the existing old type of lights. The fitting shall be recessed mountedsuitable for gypsum, with full acrylic diffuser and delivered lumens > 3000 lumen. The rate shall include necessary repairs to the existing false ceiling connection with 3 core 1.5 sqmm. flexible copper cable with Flexible Conduit. Make: Philips/ Wipro |
| 26 | MINOR CIVIL WORKS |
| 27 | Repairs to plaster by breaking the old loose plaster of the transformer room and replastering with single coat plaster (1:4 cement mortar mix) to give a uniform neat finish to the exisiting walls and disposal of rubbish to the contractors own site for all leads all etc. complete. |
| 28 | Providing single Brick masonry using common burnt bricks in cement mortar 1:3 ( 1 cement : 3 coarse sand) with bricks of class designation 75 kgs / cu.m to the to cover opening at transformer room including plastering with single coat plaster, etc. all complete as per the directions of EDC. |
| 29 | Providing & applying Plastic Premium emulsionpaint of approved make & shade as specified by EDC to old & new surfaces over one coat ofprimer and two coats of required shades, after thorough brushing/ scraping the surfaces free from mortar droppings & other foreign matter, filling cracks with \"Crackseal\" expansion filler, preparing the surface, all unevenness to be levelled by applying putty including scaffolding, applying primer, sand papering etc. The roller to be used in the paint application. |
| 30 | Providing & laying cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded granitic or basaltic stone aggregate. 20 mm. nominal size) including finishing with proper screed for anti skid for area outside the electrical panel room. |
| 31 | Providing and fixing colour coated galvalume roofing sheets of 0.5mm thickness including all the accessories (TATA/ JSW make), including ridges, flashings, etc. but excluding the cost of purlins, rafters, trusses,etc. complete as per the directions of the EDC. The area for measurement shall be considered based on covered area excluding overlapping. |
| 32 | Providing & fixing in position UPVC roof gutters with necessary brackets, downtake pipes and accessiories fixed to the galvalume sheets with Silicon sealant non-hardening neutral cure type shall be applied at all end laps, etc. complete as directed by EDC |
| 33 | Steel work in GI sections, welded (SAIL, TATA. VIZAG & using electrodes of Ador or ES4B or Deh Secheron make only) including cutting, hoisting fixing in position and applying a priming coat of red lead paint and two coats of mettalic paint, etc. complete as per the directions of EDC. |
| 34 | Repairing & servicing of the existing rolling sutters of electrical room and transformer room including greasing, etc. and painting with two or more coats of metallic paint, to give it a even finish as per the directions of EDC. |
| 35 | Supply & installation of modular gas based clean agentfire detection cum supression system 5kg capacity, to be mounted on ceiling with suitable brackets, etc. all complete. |
| 36 | Providing & applying fire resistance paints toelectrical heavy cables, etc. all complete |
| 37 | Removing the existing ougoing low tensionside switchgear , disconnecting the power cables and replacing it with new 800 amps TPN Mccb ( DN 4 1250 S series of L&T or equivalent as approved ) with handle assembly , required rating spreaders and insheet steel enclsure duly powder coated made from 14 swg CRCA sheet with 500 mm high mounting stand of 50 mm x 50mm x 10 mm M.S angle frame duly powder coated including connections glanding and terminations of incomminng and outgoing aluminium cables . |
| 38 | Electrical panel salvage value item including fabricated panels , M.S meter boxes, Metal clad main switches of rating 16 amps , 32 amps,63 amps or of higher rating which are mounted on existing metal frames ,including all MCBs MCCBs ,manual changeover switches ,main switches,dismantling the material andcarrying it out of EDC building premises including buyback of the entire material .(To be deducted from the total amount) |
| 39 | Checking the incoming and outgoing connections of the existing cubical panel board, Disconnecting the 2 nos 800 amps ACB of crompton make, LT energy meter, Switch fuse units 32 amps, 200amps, 600 amps and dismantling the cubical panel carrying it out of EDC building premises including buyback of the entire material (To be deducted from the total amount) |
