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| 1 | SH: I - POWER ROOM PANEL:Dismantling of the old existing UPS panel at Gowliguda telephone exchange (The old panel consists of 630A TPN SDFU- 3Nos, 500A 3P MCCB - 3Nos,) including disconnecting and removing the Incomming and out going power cables and properly insulate the same with tape and lay the same in the trench, removing the foundation bolts, seperating the joint in the panel ,bolts and nuts, disconnecting the bus bar joint etc.,making it ready to shift as per site conditions. The scope also includes.A) Shifting and transportaion of the avove panel by hiring labour and vehicle from Gowliguda to Telephone Bhavan, Saifabad 7th floor includingloading and unloading.B) Installation, testing, commissioning of the panel at TE Saifabad including extending the earth supply points etc as required. |
| 2 | Supplying and fixing of hylam sheet of 10mm thick to close the bus bar chamber on the back side and front side including making of opening on the top of the bus bar chamber for cable entry, protecting the bus bars on the front side, bottom side with hylam sheet, providing suitable supports to all the hylam sheets etc, as required. |
| 3 | General servicing of all the incomming switch TPN SDFU and out going MCCB\"s, cleaning the panel, tightening all the nuts and bolts in the panel starting from bus bar to interconnecting bus bars, spreader links, outgoing terminals etc, providing heat shrinkable sleeves where ever old sleeve is damaged etc as required. |
| 4 | Supplying fixing installation testing and commissioning of 3Pole, 250A TPN switch suitable for operation on 415V, 50Hz AC Supply including providing suitable mounting clamps, interconnection with bus links, 250A HRC fuse links of suitable type, closing of additional openings, with suitable size hylam sheet, providing suitable suports for outgoing bus links, links should be of size 30mm x 10 mm for Phases, and 30mm x 6mm for neutral, etc., as required. including 2sets (both incomming 3Nos and out going 3Nos) of spreaders for each switch, etc as required (Make: M/s L&T FN250TPN or SS make) |
| 5 | Supplying and fixing of multi function meter suitable for measuring Voltage, current, Frequency, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Runhours, On hours, Phase angle, Interrupts, THD, Events (High-Low), Neutral Current , K Factor, along with communication port RS485, with Cl 0.5 accuracy, including providing CT of ratio 600/5 3Nos, 6A SP MCB-3Nos, control wiring and other connected works. Make M/s schneider, L&T or similar superior make. |
| 6 | Supply and fixing of 96mm x 96 mm digital voltmeter 3Nos 6A MCBs bus bar side. |
| 7 | Supply and fixing of LED indication lamps suitable for operation on 230Volts AC supply along with control wiring & 6Amps MCB (incomers and outgoing switches ON & OFF indication purpose) |
| 8 | Supplying and fixing of new doors, made of MS sheet of 16SWG, including cutting bending welding, 7tank process, spray painting, to all the cubical units removing the old doors, providing earth terminal stud, connecting the same etc as rquired. |
| 9 | Providing 2 coats of spray painting for existing panel with Simens gray color, synthetic enamel paint, including cleaning of rust dust, transport of air compressor to site etc, as required. (Power panel, UPS panel, Ducable split panel) |
| 10 | SH:II -- ENCLOSURE FOR UPSSupplying and fixing of 3 pole100A MCCB with breaking capacity of 36kA, relay range 80-100, along with spreader terminals for tapping of UPS supply in the UPS room Make M/s L&TDN0-100D, |
| 11 | Supplying and fixing of MS sheet steel enclosure (size 2) suitable for accomodating 100A 3P MCCB along with gland/ end termination, make M/s L&T |
| 12 | SH: III (MODIFICATION IN EP1 AND EP4)Supplyng and fixing of following rating FN switches suitable for operation on 415volts 50Hz AC supply inlcuding providing interconnections with the new bus bar links, removing the old switch along with bus bar links, making modification in the door to accomodate the new TPN Switch along with new operating handle etc as required.a) 630A TPN switch in place of 400A switch in EP1, Make M/s L&T or similar superior make |
| 13 | b) 400A TPN switch in place of 250A switch in EP1, Make M/s L&T or similar superior make |
| 14 | SH: IV( MODIFICATION IN CENTREX AC PANEL)Supplying fixing installation testing and commissioning of 3Pole, 250A MCCB suitable for operation on 415V, 50Hz AC Supply including providing suitable mounting clamps, removal of old 63A switch, providing interconnections with bus links, closing of additional openings, with suitable size hylam sheet, providing suitable suports for outgoing bus links, incomming and out going bus links should be of size 25mm x 10 mm for Phases, and 20mm x 8mm for neutral, etc., as required. (Ics=100% Icu, 36KA, 200- 250, with thermal magnetic release. M/s L&T DN2-250D) |
| 15 | Supplying and fixing of 63A HRC fuse links drum/cylindrical type suitable for the FN63TPN switch including removing the old burnt out fuses, etc as required. |
| 16 | General servicing of the main panel checking the control wiring , tightening of nuts and bolts, replacing of worn out heat shirinkable sleeves, checking the control wiring and other connected works |
| 17 | Supply and fixing of LED type indication lamps suitable for operation on 230volts AC supply including removing of faulty lamps, providing interconnecting wiring if required etc. as required. |
| 18 | SH: V( CABLE TRAY AND CABLE LAYING)Supplying and fixing of MS angle iron tray of 500mm width, for laying armored aluminium cables, made of 40mm x 40mm x 6mm thick MS angle iron and providing centre support between angles with 2Nos of 25mm x 5mm thick MS flat with a gap of 6mm between two flats placed horizontally and welded to the angle to provide mechanical strength. The horizontal supports should be placed at an interval of not more than 500mm. a) The tray shall be suspended perpendicularly from the ceiling by using 2Nos 10mm dia MS Plain rod of not less than 1500mm long placed at an interval of not more than 1500mm with anchor fastners hook type / chipping in the ceiling. the other end of the down rod should be connected with nut, bolt, washers (flat and spring type) on top and bottom of the tray including cutting, welding, grinding and painting with two coats of red oxide and two coats of synthetic enamel paint and making good etc., as required. (for horizontal runs) |
| 19 | Supplying and fixing of MS angle iron tray of 500mm width for laying armored copper cables, made of 40mm x 40mm x 6mm thick MS angle iron and providing centre support between angles with 2Nos of 25mm x 5mm thick MS flat with a gap of 6mm between two flats placed horizontally and welded to the angle to provide mechanical strength. The horizontal supports should be placed at an interval of not more than 500mm. a) The tray shall have a angle welded in the opposite direction with hole drilled at the center to accomodate anchor fastner bolt to hold the existing beam (for vertical run)b) Centre support should be provided at every 5 feet interval with suitable size L angle iron structure. |
| 20 | Laying of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.a) Above 35 sq. mm and upto 95 sq. mm. |
| 21 | b) Above 185 sq. mm and upto 400 sq. mm. |
| 22 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required.a) Above 35 sq. mm and upto 95 sq. mm. |
| 23 | b) Above 185 sq. mm and upto 400 sq. mm |
| 24 | Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size on wall surface as required.a) Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp) |
| 25 | b) Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp) |
| 26 | Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size on cable tray as required.a) Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp) |
| 27 | b) Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp) |
| 28 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.a) 3½ x 95 sq. mm (45mm) |
| 29 | b) 3½ x 240 sq. mm (62mm) |
| 30 | SH: VI (CABLE TRENCH WORKS)Breaking of cement concrete floor of 9\" thick for making hole in the gound, along with removal of marbel flooring near the stair case, to dig a trench of approximate length 6 mtrs, using all electrical machines or manual labour required for exeuting the work. |
| 31 | Excavating of trench width 1000mm for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1500mm, including getting out the excavated soil, and disposing of surplus excavated soil as directed by the engineer incharge, upto length of 6mtrs etc as required. |
| 32 | Brick work with common burnt clay machine moulded perforated modular bricks of class designation 12.5 conforming to IS : 2222 in exposed brick work, complete in cement motoar 1:6 (1 cement : 6 sand) |
| 33 | Plastering the inside wall of the brick masonary work with 12mm thick mortar 1:3 (1cement : 3 coarse sand), finishing with floating coat of motor 1:3 (1 cement : 3 fine sand) as per the standard design. |
| 34 | Supplying and laying of chequred plate of 6mm thick on the existing trench, the length of the plate shall not exceed more than 1mtr, the plate shall have provision of lifting handle (collapsable type) for maintenance works, the edge of the plate should be welded with 35mm x 35mm x 6mm thick MS angle, all along the border, making good all the damages done etc as required. |
| 35 | Supplying and fixing of MS angle of size 40mm x 40mm x 6mm thick on edge of the trench including providing hole pass at regualr intervals for fixing the MS channel making good all the damages done to the floor etc as required. |
| 36 | SH: VII (DC EARTHING FOR EQUIPMENT)Providing earth for data center with 4Nos copper plates by observingthe following procedure.a) Digging of earth pit of size 6\" x 6\" x 10\" deep and refilling the same after installing the earth plate system.b) Supplying and installing 4 Nos copper earth plates of size 600mm x 600mm x 3mm thick. c) Drilling holes to the plates, making connections to all the four plates for extending earth using brass bolts and nuts, washers, spring washers, strip etc.d) Supplying and fixing of 25mm x 5mm thick copper strip for interconnecting all the four strips horizontally and diagonally to the plates including drilling holes etc.e) Supplying and filling the following artificial soil treatment materials in the earth pit.Charcoal - 500kgs, saw dust - 50kgs, salt - 20kgs, supplying and filling the balance pit with black cotton soil etc.,f) Providing 1/2\" dia Gl water pipe (B-class) of approximately length 10\" with suitable GI sheet funnel and mesh with necessary threading etc.g) Providing necessary enclosure for earth pit with cast Iron cover plate having locking arrangement and white washing of the masonry enclosure (Approx. size of masonry enclosure is 30\"x30\")h) Initial watering of the earth pit, arranging manpower for testing the earth resistance of the earth and furnishing the test results, sign writing and clearing the debries from site, making good etc., as required. |
| 37 | Providing and fixing 25mm x 5mm copper strip in 40 mm dia G.I. pipe earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required |
| 38 | Providing and fixing 25mm x 5mm copper strip on surface or in recess for connections etc. as required. |
| 39 | Supplying and laying of 50 Sqmm PVC insulated and PVC sheathed, unshielded single core, heavy duty, multi strand copper wire suitable for operation on 230volts, 50Hz single phase AC supply of 1.1kV grade etc as required. a) On surface along with suitable clamps etc |
| 40 | b) In 40mm Dia GI pipe along with clamps etc |
| 41 | Supplying and making end termination with copper lugs for the existing 50Sqmm multi core flexible copper wire PVC insulated and PVC sheathed of 1.1 KV grade as required. |
| 42 | Providing and fixing of Earth bus bar of size 80mm x 10mm (thick) of 300mm length made of copper with insulators, annealing the bus bar and making holes for terminating earth cables,Provding nuts and bolts etc.,complete as required. |
