Tender For Maintenance And Repairs To Lt Ug Network And Repair / Replacement Of Lt Busbar Panels Under Ge (Af) Bidar; 2 Isolate/de-energize the supply to LT Panel Board of capacity ranging from 200 Amps to 2000 Amps and voltage 415 Volts/230 Volts, opening doors/covers of cubicle enclosure carrying out necessary/ required servicing/maintenance/repairs for efficient functioning of the Panel Board, switch gear, metering etc and re-fixing the same after repairs including testing and commissioning of the panel board including carrying out following:-a) Cleaning inside switch gear chambers, removing dust, carbon and rusted surfaces cleaning with blower and applying insulating varnish.b) Checking condition of DMC/SMC support insulators cleaning and applying Dr beck red for better IR values and replacement of insulators if required. c) Tightening of all bus bar connections, cable connections, replace bolt, nuts wherever required.d) Repair/welding rates shall also to be incl in the loosen compartments to close properly.e) Minor Repairs / welding wherever required shall be done to ensue proper opening and closing of compartment / Panel board.Cost of welding shall be included in quoted rate of this item.Note : Contractor has to inspect site before quoting. Any modifications/frame work required shall and deemed to be included in the quoted rates. Spares will be measured and paid under relevant items of schedule separately. 3 Disconnecting LT supply, opening cable box chamber from outdoor/indoor LT panel of any size not less than 1 x1 mtr (LxW), removing burnt out lugs from LT switch gears/MCCB/MCB of any capacity and size (incoming/outgoing switch gears upto 08 Nos), cleaning of bus bar, terminals with CTC solutions, insulating the bus bar by tapping color codes and making connections complete with necessary nut, bolt, washers, timbles and links of existing size, refixing all switchgears after repair/maint/servicing and welding the hinges/doors complete all as specified and directed. 4 M&L for removal of faulty cable from both ends of LT termination from transformer after meggaring and identifying the fault location by cable fault indicator or by any means deemed fit with necessary earth work and jointing the cable to serviceable condition complete all as specified and directed by Engr-InCharge.Note: i) Earth work for removing cable. laying and necessary joint material measured and paid separately under relevant items of the schedule.ii) Skilled operator/instruments involved for positioning the cable fault location shall deemed to be included in the rates quoted. 5 Taking down Old US LT panel board and Supply, installing, testingand commissioningout door type LT Panel of suitable size, pedestal mounted, CPRI approved factory made totally enclosed, dust and vermin proof, double leaf shutter in front and single leaf shutter in rear side made of 3.15 mm thick CRCA sheet, framing with 50 x50 x 6 mm thick MS angle iron and legs of size 0.5m long . duly fabricated and having proper locking arrangement in both front and rear door with 4 side slanting roof duly projected and paintedto both internal and External surfaces with powder coating paint in heatprocess of sheet and suitable for 500 volts, 50 Hz, 3 phase 4 wire system and comprising with and including PCC Platform made out of PCC 1:3:6, 100 mm thick, 1 Mtr all round the panel board) and comprising of following accessories and mounted inPanel board, completeall as specified and as directed :- a) 4 Pole MCCB 250 Amp 50 Hz 415 V with rupturing capacity 35 KA.-01 Nos (incoming)b) 4 Pole MCCB 100 Amp 50 Hz 415 V with rupturing capacity 25 KA.-03 Nosc) Astronomical time switch complete with all accessories in built paneld) Digital Volt, Ammeter& Freq Meter incl selector switch -01 Nose) Indicator, danger board, dist line diagram, gland & gland plates 6 Cleaning & Levelling LT panel surrounded area (up to 2 m beyond panel face), carrying out repair works to shutters ie., welding / jointing of hinges, making good the compartments, applying one coat of synthetic enamel paint on external surfaces of panel, complete all as specified and as directed. 7 S&F in repairs Digital ammeter of suitable rating for LT PBs with built in selector switch of size 96mmx96mmwith suitable CTs and connected control wiring complete all as specified and as directed by Engr-in-Charge. 8 S&F in repairs Digital Volt meter 0-500 V with built in selectror switch of size 96mmx96mm along with and connected control wiring complete all as specified and as directed by Engr-in-Charge. 9 S&F Indicating lamp 240 volts LED type complete all as specified and as directed by Engr-in-Charge. 10 Material and labour for disconnecting faulty/burntend portion of cable by removing the cable from loop including necessary excavation & earth work, relaying and reconnecting the cable by removing faulty/burnt portion of incoming and out going cables at panel boards and preparing fresh terminals with suitable size of thimbles, lugs and glands or gland plates as suitable of any size and number of cables incoming out going topanel board.Note : New cable will be measured and paid for separately. 11 Supply and laying XLPE insulated, armouredheavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 10 sq. mm 2 core and including provision of gland plates, gland and aluminium lugs to both ends of cable connections complete all as specified 12 All as per Serial item No 10 here-in-above, but the size cross-sectional area 16 sq. mm 2 core 13 All as per Serial item No 10 here-in-above, but cable of cross sectional area of size 25 sqmm2 core 14 Supply and laying XLPE insulated, armouredheavy duty electric cable with aluminium conductor, 1100 volts grade cable cross-sectional area 6 sq. mm 4 core and including provision aluminium lugs to both ends for cable connections and taking down old US cable, complete all as specified 15 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size10 sqmm 4 core 16 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 16 sqmm 4 core 17 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 25 sqmm 4 core 18 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 35 sqmm 3.5 core 19 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 50 sqmm 3.5 core 20 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 70 sqmm 3.5 core 21 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 95 sqmm 3.5 core 22 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size size 120 sqmm 3.5 core 23 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 150 sqmm 3.5 core 24 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 185 sqmm 3.5 core 25 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 240 sqmm 3.5 core 26 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 300 sqmm 3.5 core 27 All as per Serial item No 13 here-in-above, but cable of cross sectional area of size 400 sqmm 3.5 core 28 Excavation in trenches not exceeding 1.5 mtr depth width and not exceeding 1.5m depth for laying under ground cable in loose/soft soil complete all as specified and as directed. 29 Material and labour cable cushioning shall be using riddled earth by sieving excavated soil as per IS-1255-1983 as in cable cushioning punned depth upto 18 cm thick complete all as specified and directed.Note: Filling beyond cable cushioning will be measured under return filling in item catered separately. 30 Returning, filling in, soils, including spreading, levelling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed.. 31 Removal of surplus soil obtained from excavated material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed. 32 M&L for cutting up to 45 cm width and depth of the road/hard standing and making good disturbed surfaces including filling with PCC type C2 (1:3:6) using 40mm graded stone aggregate for the fixing the pipe/laying cables complete all as directed by the Engineer-in-Charge. 33 Disconnection and removing the u/s PCC cable covers and Supply and laying unreinforced pre cast concrete cable cover class LV, Type I, flat, size 250mm x 150mm x 40mm for cable protection, made out of M-20 grade concrete, etc complete. 34 Relaying old serviceable unreinforced pre cast concrete cable cover class LV, Type I, flat, size 250mm x 150mm x 40mm for cable protection complete. Note : Serviceable cable covers obtained / retrieved while taking out cables shall be reused under this item. 35 Supply and fix in repairs GI Steel tubing light grade of 40mm dia along with fittings in trenches/wall for cable protection complete all as specified and directed. 36 All as per Serial item No 13 here-in-above, but of Size 50mm dia/ bore. 37 All as per Serial item No 13 here-in-above, but of Size 80mm dia/ bore. 38 M & L for preparation ofold painted surfaces of LT panel size (1.0m,x1.0m to 2.0x1.5m of any width) and applying spray painting with two coats of synthetic enamel paint for outdoor/indoor panel board, outer & inner side and scraping out the old paint surfaces of existing panel boards complete all as directed by Engineer-in-chargeincluding white wash to panel foundation/PCC basecomplete all as specified and directed. 39 Taking down carefully existingout door/indoor type Old PCC floor mounted LT panel board of size(1.0m,x1.0m to 2.0x1.5m of any width) after disconnecting all type of incoming and out going cables, removing carefully switch gears and measuring instruments for reuse/refixing of serviceable items and repair/maint and servicing the existing panel by replacing hinges, switch gear compartments with rubber sheal, locks, nuts,bolts and washers and provn of danger notice boards, insulation sleeves with colour coading and painted with two coats powder coating primer and also reconnecting all cables in same position with suitable aluminium lugs, nut bolts and washers.Refixing serviceable switchgears obtained from the panel. Note: Supply only new switchgears shall be measured and paid separately under relevant items of this schedule. 40 Taking out faulty underground 1100 volt grade LT cable of size upto 300 sqmm 3.5 core/4 core after excavation, and removing bricks/covers of any size and relaying serviceable cable in the same trenches or rerouting after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new covers as required complete all as specified and directed.Note:i)New LT cable required to replace fault portion, joints, cable protectionshall be measured and paid separately under respective items of the schedule.2. Retrieved old serviceable bricks/PCC cover will be laid in trenches for cable protection. if extra bricks and sand required at site shall be measured and paid separately under respective items of the schedule.3. Earth work and excavation will be measured and paid separately under respective items of the schedule. 41 Supply and fix in repairs, Straight through jointing kit 1100 Volt complete with jointing material and accessories suitable for 6 to 25 Sqmm 2 Core complete all as specified and as directed. 42 Supply and fix in repairs, Straight through jointing kit 1100 Volt complete with jointing material and accessories suitable for 10 to 50 Sqmm 3.5 Core complete all as specified and as directed. 43 Supply and fix in repairs, Straight through jointing kit 1100 Volt complete with jointing material and accessories suitable for 70 to 150 Sqmm 3.5 Corecomplete all as specified and as directed. 44 Supply and fix in repairs, Straight through jointing kit 1100 Volt complete with jointing material and accessories suitable for 185 to 400 Sqmm 3.5 Corecomplete all as specified and as directed. 45 S&F cable end jointing kit for LT, 1100 Volt (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 16 to 50 sqmm with provision of lugs/thimbles/aluminium jumpers for OH/UG connection complete all as specified and as directed. 46 All as per Serial Item No 44 here-in-above, but joint suitable for cable of size 70 sqmm to 95 sqmm 47 All as per Serial Item No 44 here-in-above, but joint suitable for cable of size 120 sqmm to 150 sqmm 48 All as per Serial Item No 44 here-in-above, but joint suitable for cable of size 185 sqmm to 240 sqmm 49 All as per Serial Item No 44 here-in-above, but joint suitable for cable of size 300 to 400 sqmm 50 S&F 1.5 sqmm 3 core, 1100 volt grade heavy duty cable, PVC insulated copper multistranded conductor, served with inner sheathing of PVC tape and overall PVC sheathed for making connection of street light from FRP junction box/OH line to street lights complete all as specified and directed 51 Supply and laying or fixing or passing through pipe, 1100volts grade aluminium heavy duty conductor cableof size 2 core 10 sqmm nominal cross sectionasin service connections complete all as specified and directed by Engr-In-charge. 52 All as per Serial Item No 50 here-in-before, but cableof size, 2 core 6 sqmmcomplete all as specified and directed. 53 Supply and fixing MCCB, 4 Pole, 350 Amps ,415 Volts with breaking capacity of 25 kA including taking down old unserviceable one and making necessary connections and making provisions for fixing in exsiting panel compartments with necessary links, lugs of suitable size and cleaning the terminals with CTC solutions complete all as specified and directed. 54 All as per Ser Item No 52, here-in-above, but of 250 Amps with breaking capacity 25 KA. 55 All as per Ser Item No 52, here-in-above, but of 200 Amps with breaking capacity 25 KA. 56 All as per Ser Item No 52, here-in-above, but of 125 Amps with breaking capacity 25 KA. 57 All as per Ser Item No 52, here-in-above, but of 630 Amps with breaking capacity 36 KA. 58 All as per Ser Item No 52, here-in-above, but of 400 Amps with breaking capacity 36 KA. 59 All as per Ser Item No 52, here-in-above, but of 500 Amps with breaking capacity 36 KA. 60 Supply and fixing OFF load changeover switch 4 polein sheet steel enclosure panel of 160 amps side operated complete all as specified and directed 61 All as per Ser Item No 59 here-in-above, but of 250 Amps rating 62 All as per Ser Item No 59 here-in-above, but of 200 Amps rating 63 All as per Ser Item No 59 here-in-above, but of 400 Amps rating 64 Supply and fixing on load change over switch 4 polein sheet steel enclosure panel of 160 amps front operated complete all as specified and directed. 65 All as per Ser Item No 63 here-in-above, but of 250 Amps rating 66 All as per Ser Item No 63 here-in-above, but of 200 Amps rating 67 All as per Ser Item No 63 here-in-above, but of 400 Amps rating 68 Replacement of broken earth pit chamber and constructing new earth pit chamber and PCC chamber cover complete all as specified and as directed.
