PROVN OF 01 X 100 KVA TRANSFORMER POWER LINE ALONG WITH ALLIED WKS PERMT EST OF GEO REDUNDANT HUB OF 2 AHQ SIG REGT UNDER GE (CENTRAL) BANGALORE

Amount

Supply, installation, testing and commissioning out door type, floor mounted step down transformer, 11KV/ 433 Volts ( At no load) AC 3 ph, 50 Hz, energy efficient level - 3,Amendment No.04,2021,confirming to IS 1180 of 2014 (ISI maked and BEE Approved), of capacity 100 KVA ,copper wound ,oil immersed, naturally cooled, oil natural- air -natural (ONAN), Class A insulation with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side( LV) in accordance with vector group Dyn- 11 with natural brought out on secondary side (LV) and having tappings at +/- 2.5% to +/- 7.5% ,7positions,on HV side to be changed by means of hand operated off load tap changer gear. The maximum temprature rise should not exceed 40 degree C in oil and 45 degree C in HV /LV windings when measured by resistance method after countinuous full load run on an ambient temp of 50 degree C and shall also comprise of the following accessories :- (a) 01cable box chamber on HV side( primary) consisting of 03 Nos poreclin/epoxy bushing with copper rods complete with nuts and washers, with 01 No cable gland suitable for existing cable. (b) 01 box on LV side( secondary) consisting of 04 Nos epoxy bushing with copper rods complete with nuts and washers with cable glands. (c ) Oil conservator tank with filter type drain plug and oil level gauge. (d) Dehydrating brether with first fill of silica gel. (e) Explosive vent, thermameter pocket on tank cover, oil level guage, oil drain filter valve, lifting hucks, oil filling hole with cap/ plug with connection plate complete. Air release valve plug at four Nos plate soil cast steel detachable rollers. (f) 01 No 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree C with metal guard having maximum perimeter temperatre reading indicator with resetting device.

(g) 02 Nos earthing terminals on tank cover to facilitate fixing of 50 x6 mm GI earth strip for earthing of body. Rating plate and terminal marking plate. (h) The transformer shall be complete with standard fittings incl plinth foundation for transformer mounting complete allas specified and directed by Engineer-in-charge. (j) Extra bushing for natural, in the LT cable box for providing independent set of earthing for natural. (k) First fill of new and unused transformer oil, IS- 335 marked (make: savita / Power Oil) filtered and tested up to 60 KV die electric strength at 2.5 mm air gap between testing electrodes. (l) Providing adequate size and Numbers of channels, embedded in flour, for movement of transformers. (m) Provn for transformer fixing on trolley arrangement system (openable). (Note: Any left out standard accessories which are not mentioned above but for smooth functioning of the transformer shall be included in the quoted rate without any extra cost)

Supply, install, testing & commissioning of outdoor type, welded stainless steel tank with IP-67 protection for SF-6 Tank and IP 54 protection for outdoor enclosure,both Side extensible type compact RMU,11kV, 630 Amps, 21KA (VCB SF6 enclosed) as per IEC-62271, 2 Way motorised RMU(VL+OD), i.e. 1 SF6 insulated VCB as incomer +1 load break switch as outgoing with copper bus bar, manometer,cable boots for VCB and castle key interlocked and necessary PCC foundation work including providing MS channel and MS angle as per manufacturer recommendation along with bottom cable entry and front cable termination of suitable single run 3core 400sqmm HT cable with following specifications and accessories complete all as specified and as directed. (i) A01 as incoming VCB, A02 Outgoing load break switch with three position isolator /earthing switch, bus bars, interlocking earth bars and stored spring energy mechanism. (ii) Stored energy mech for manual operation - 01 No. (iii) Set of 03 No’s Ring core protection CTs of suitable ratio as per feeder load, 1.0 VA, Class 0.1- 01 set in breaker (Transformer rating 1MVA). Capacitive voltage indication fixed type VPIS 9- 15KV - 01 No inbreaker (iv) Control voltage motor 2x12V DC,12AH battery +24V DC battery charger (v) Self powered OC+EF Protection relay type as per manufacturer recommended with rechargeable - 01 No in each breaker (xi) Impluse withstand voltage: To earth and between phases: 75KV Insulation level: -Power frequency 1 min:28 Kv

(xii)Enclosure:CRCA sheet powder coated with Siemens grey shade IS 632 Front Cover: CRCA sheet powder coated with Siemens grey shade RAL 7035 (xiii) Cable Cover: CRCA sheet powder coated with Siemens grey shade RAL 7035 xiv) Cable bushings interface C (400 bolted) , 630A (xv) Bushings outside cone interface C for connection of external busbars 2x12V DC battery + charger scheme R-Y-B phase indication. Additional equipment delivered separately or mounted in respective panel. Set of coupling bus bars along with suitable coupling kit - 01No, Operating Handle - 01 No (Note: Any left out standard accessories which are not mentioned above but for smooth functioning of theRMU shall be included in the quoted rate without any extra cost)

Supply & laying XLPE insulated,screened, PVC bedded galvanised steel strip or wire armoured ,electric power cables heavy duty with aluminium conductor,11000 Volts grade ( earthed) of cross sectional area 3 Core 95 Sqmm complete all as specified and as directed.

Supply, laying & testing XLPE Insulated PVC bedded, galvanised steel strip on wire armoured with stranded armoured 1100 volts grade under ground heavy duty power electric cable, laid in trenches/duct/on pole including all necessary fixing arrangement such as lugs and termination etc of cross sectional area 95 Sqmm 3.5 core complete all as specified and as directed.

Supply, laying & testing XLPE Insulated PVC bedded, galvanised steel strip on wire armoured with stranded armoured 1100 volts grade under ground heavy duty power electric cable, laid in trenches/duct/on pole including all necessary fixing arrangement such as lugs and termination etc of cross sectional area 50 Sqmm 3.5 core complete all as specified and as directed.

Material and labour for Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size,for HT, 25x20cm size complete all as specified and as directed.

M & L for Design, fabricate, supply, testing and commisioning of CPRI approved factory made LT Panel Board double door, out door type fabricated out of 3.15mm thick CRCA sheet steel for outer body and 3.00mm thick CRCA Sheet for inner partition walls, independent cabinate with cabinate doors for MCCBs, Bus Bars, cable trays, metering equipment, vertical type floor mounted on angle iron frame of ISA 45x45x5mm with minimum height of legs 45 cm, minimum IP-54 protection, comprising of solid aluminium bus bar 4 strips suitable of 400 Amps, suitablily grouted to PCC complete with internal wiring, epoxy powder coated, connections of cable ends with suitable size of aluminium cable lugs complete all as specified and as directed with the following accessories:-

Excavation in trenches n. exc 1.5 metre wide and n. exc 1.5 meter depth for pole / cable / foundation etc including getting out in soft /loose soil complete all as specified and directed.

Returning, filling in, approved earth including spreading, levelling, watering and well ramming in layers n.exc 25 Cm thick after cable are laid and tested complete all as specified and directed.

Removing excavated material / surplus soil to a distance not exc. 50 mtrs & deposited where directed at a level not exc.1.5 mtr above the ground level complete all as specified & directed.

M&L for PCC cable cover class HV type 1 flat size 300 mm x 180 mm x 40 mm, ISI marked across the cable for protection of cable after sand cushioning complete all as specified and as directed.

M&L for PCC cable cover class LV type 1 flat size 250 mm x 150 mm x 40 mm, ISI marked across the cable for protection of cable after sand cushioning complete all as specified and as directed.

Supply and laying dry river sand for cable cushioning in trenches to required width at bottom and top of cable including spreading, levelling, watering and consiolidation complete all as specified and directed.

M&L for 80 mm dia bore steel tubing galvanised, light grade complete with fittings laid in trenches/ fixed along with poles etc as protection to cables complete all as specified and as directed.

M&L for providing trenchless bore using using ultra sounding technique and necessary machine bore of pipe size 150 mm dia suitable for 0.4 mpa working pressure mechanical numatic drilling equipment for passing GI pipe line upto 100 mm dia under the existing bituminous/WBM road/PCC hard standings, depth range not less than 1.0 mtr and upto 1.5mtr and making good to the distrubed surfaces of road to match with its existing specifications complete all as specified and as directed at site. (Note :1.Quoted rates deems to be inclusive of transportation charges of Drilling machine, connected accessories and passing pipe through bore complete with required accessories.2. Cost of Pipe shall be included in the quoted rate.)

M&L for brick work with fly ash bricks, straight or curved on plan exc 6 m mean radius built in CM (1:4) as in foundation of equipment, platform, ramp, supporting pillars of pipes incl demolistion of existing brick work built in cement mortar complete all as specified and directed.

M&L for 10 mm thick plastering in CM (1:4) on fair faces of brick work or concrete surface/cable duct/floor complete all as specified and directed.

M&L MS angles as fencing port, struct cutting tops in shape including all necessary drilling, notching and reveting etc and similar work confirming fe 310-0 pr fe 4120-0 including prepration of steel Surface of one coat of red oxide and two coat of synthetic enamel paint complete all as specified and directed..

M&L for structural MS frame work half round or other stock section including securing posts and stuts in fencing, frame work for gates of substations, base frame for equipments including securing bolts, posts and sturts in fencing including cutting and makeing shapes as desired, drilling holes, notching for wire cut to size and made to the exisitng shape suitable for fixing MS chequred duct covers / door panels, including nuts, bolts and washers, welding / bracing works, bending cold or hot drilling holes for bolts in any shapeetc flat iron fillets (for securing wire mesh etc) all necessary drilling, bolting or riveting etc and similar work confirming to Fe-290 Gde E-165 including one coat of primer and two coats of synthetic enamel paint to the entire steel surfaces complete all as specified and directed.

Supply only chain link fencing including line wires,any mesh, size and type to any type of standards,rails, straining bolts, etc. Including provision of binding wire complete all as specified and as directed.

Fixing only chain link fencing including line wires,any mesh, size and type to any type of standards,rails, straining bolts, etc. Including provision of binding wire complete all as specified and as directed.

Supply and fix 10 mm dia mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends each screwed end to be fitted with washers and one hexagonal or square not exceeding 5 cm long complete all as specified and as directed.

Material and labour for mild steel round bars for reinforcement 10mm dia and over cut to lengths,bent to shape required including cranking,bending etc and binding with mild steel wire (annealed) not less than 0.9mm dia complete all as specified and as directed.

Supply and fix GI barbed wire 2 strand 2.24 mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standards rails including securing or tying at crossings with and provision of galvanised steel wire staples etc complete all as specified and as directed. (Note - Each line of horizontal/vertical/diagonal wire to be measured for purpose of payment.)

M&L for laying 20 mm graded crushed stone aggregate & stone dust in substations in such a way that after removing of unwanted grass from substations and then levelling at zero level and laying of stone dust of 50 mm thick at an initial layer and then laying of 25 mm gaded crushed stone aggregate 100 mm thick over the stone dust complete all as specified and as directed.(Note : The quoted rate also includes cleaning and levelling and filling of sub station before laying aggregate.)

S&F of cable jointing Kit 11 KV (earthed) grade cable for end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 95 sqmm complete all as specified and as directed.

Material & labour for earthing complete with galvanised steel earth plate electrode 600 x 600x 6 mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5mtr below the normal ground level connected to GI Strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron.Earth wire protected by GI pipe 15 mm bore(medium grade) and connected to main switch board or main control board as directed and as specified and shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 40 cm x 40cm x 5cm reinforced with 8mm dia TMT bars @ 15cm C/C with one handle for lifting made out of 8mm dia bar, funnel, wire mesh, 20mm dia GI pipe medium grade for watering, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil and testing complete all as directed .

M/S - KRUPA ELECTRICALS (BID ID -3262661)