Military Engineer Services-MES has published Reapir And Maint Of Lt Oh/Ug Feeder, Panel Board, Lt Cables Electrical Installations, Isolation Transformer And Voltage Stabilizer At Technical Area Under Ge (Af) Kalaikunda Reapir And Maint Of Lt Oh/Ug Feeder, Panel Board, Lt Cables Electrical Installati. Submission Date for this Tender is 13-10-2021. Electrical Maintenance Tenders in AF STN KALAIKUNDA West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 22-Sep-2021 | REVISED BOQ | BOQ | 06-10-2021 |
| 2 | 01-Oct-2021 | AMENDMENT IN PARTICULAR SPECIFICATION | Financial Bid | 06-10-2021 |
| 3 | 06-Oct-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 13-10-2021 |
| Sl. No. | Item Description |
| 1 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil ,complete all as specified and directed Note : Manual excavation to be done. During excavation if any damage occured to existing cable any type/ water pipe line, it will be contractor responsibilty to get it repair and make functional by providing jointing kit etc without any extra cost. Contractor has to repair it within 24 hrs so that essential service can not be effected due to such damage.If contractor fails to repair it within 24 hrs penalty @ Rs 500/-per hour will be charged to contractor. In this GE decision will be final conclusive and binding. |
| 2 | Returning filling in soft/loose soil, including, spreading levelling watering and well ramming in layers not exc. 25 cm complete all as specified and directed. |
| 3 | Removing surplus excavated material from site not exceeding 50 mtrs from starting point and depositing where directed at level not exceeding 1.5 mtr above the starting pointall as specified and directed. |
| 4 | M & L sand filling in-trenches with clean dry sand unwashed including gently pruning around cables complete all as specified and directed by Eng in Charge. Note:-Punned thickness to be measured for payment. |
| 5 | M & L for Fly ash bricks laid in trenches as in protection of UG cables all as specified and as directed. |
| 6 | M & L for laying old size sub class ‘B’brick for PVC/ XLPE underground cable protection in trench,layedin the manner that width of brick to be peperndicular to the axis of cable ,over LT under ground cable (retreived from taking out of old unsv cable) all as specified and directed. |
| 7 | Repairs / Maint of LT Panel board/ feeder pillar box of various sizes including disconnecting all incoming and outgoing connection after taking necessary shut down, cleaning the carbon/rust from bus-bar, re-thimbling with new lugs/thimble of existing size,replacingburnt DMC insulator or bus bar supports as per exsiting one, removing old burn out wiringand re-wiring with new cable of exsiting size, includingreplacement of un-serviceable parts and hard ware,replacement of all rusted nut bolts with new steel nut bolts and washer, wrapping of existing incoming and out going cables whose PVC insulation gets detoriated,cableto bewraped with insulation tape(minimum three layers over one another on detoriated portion) with colour code (Red, yellow blue for phase and black for neutral) complete all as specified & directed. Note :- (i) Cost of unsheathed multistranded copper conductor for internal wiring like connection of CTsand DMC insulators are deemed to be included in quoted rate. (ii) Suitable size of cable lugs to be provided by contractor for fixing /jointing the cable in bus bar etc. (iii) Cable gland if required shall be provided and included in cost of repair. (iv) Existing cable to be removed from MCCB/MCB and to be refixed after providing suitable size lugs. Cost of lugs included in cost of repair. |
| 8 | Supplyandfixing in repair 3 phasedigital voltmeter flush mounting 96X96mm of input voltage measurement range 50-520 VAC(P-P) , 5A,accuracy class 0.5forLT panel board, with proper caliberationcomplete all as specified and directed by Engr-in-Charge including taking down unserviceable Make : L&T Cat part no. WL1332020OOOO or equivalent in conserv/siemens |
| 9 | Supply and Fix in repairs, 3 Phase LED Voltmeter, Accuracy Class 1.0, Input voltage measurement range 50-550 VAC (P-P), Aux supply 80-300 VAC, CT secondary site selectable 1A / 5A, flush mounting 96 x 96 mm, with inbuilt selector switch, complete all as specified and directed. [Cat No.WL132020OOOO of Make “L&T” or equivalent Model of Make HPL/ AE] |
| 10 | Supply and fixingin repair Indoor type insulated ring type low tension current transformers of ratio 200/5A accuracy class 1.0for LT panel board, complete all as specified and directed by Engr-in-Charge including taking down unserviceable . |
| 11 | Supply and Fix in repairs,LED Indicator 16 mm with power consumption < 0.6W, LVGP & surge protection, 64/110 Volts AC/DC / 240 Volts AC, colour Red/Green/ Yellow/Amber/Blue/White, complete all as specified and directed. [Cat No. SIL of Make “L&T” or equivalent Model of Make HPL/ AE] |
| 12 | Supply and fixingFRLS PVC insulated single core unsheathed multistrand copper conductor for voltage grade 1100 V of size25 Sqmm single core including copper lugs complete all as specified and as directed. |
| 13 | Supply and fixingFRLS PVC insulated single core unsheathed multistrand copper conductor for voltage grade 1100 V of size50 Sqmm single core including providing copper lugs complete all as specified and as directed. |
| 14 | Supply and fixing FRLS PVC insulated single core unsheathed multistrand copper conductor for voltage grade 1100 V of size95 Sqmm single coreincluding providing copper lugs complete all as specified and as directed. |
| 15 | Preparation of the old decorated existing external and internal steel surface of feeder pillar boxes/LT panels of any description, any size and in any positionby thoroughly cleaning of dirt, fluxing material, other foreign matter and sand papering the surface to remove all scale and rust,wiped finally with mineral turpentine to remove oil, grease and including removal of disintegrated & deteriorated paint either by hand scrapping or by blow lamps, applying necessary filler coat and stopponf required and applying two coats of synthetic enameled paintover a coat of red oxide primer by using spray machine on old prepared surface and writing MES serial No with approved colour code complete all as specified and dircted by engr in charg Note(i) Painting to be done after carrying out all the welding work for replacement of hinges, door lock etc. (ii) Painting shall be done by spray gun. (Approximate minimum area : 40 sqm) |
| 16 | Preparation of the old decorated existing external and internal steel surface of feeder pillar boxes/LT panels of any description, any size and in any positionby thoroughly cleaning of dirt, fluxing material, other foreign matter and sand papering the surface to remove all scale and rust,wiped finally with mineral turpentine to remove oil, grease and including removal of disintegrated & deteriorated paint either by hand scrapping or by blow lamps, applying necessary filler coat and stopponf required and applying two coats of synthetic enameled paintover a coat of red oxide primer by using spray machine on old prepared surface and writing MES serial No with approved colour code complete all as specified and as directed. complete all as specified and dircted by engr in charg Note(i) Painting to be done after carrying out all the welding work for replacement of hinges, door lock etc. (ii) Painting shall be done by spray gun. (Approximate minimum area : 30 sqm) |
| 17 | M&L for taking shut down for repairing of LT Panels (Indoor type) by providing connectors, copper lugs, nuts, bolts, etc of suitable sizes for incoming and outgoing UG cables includingproper LT insulation tapes to cables which are deteriorated and cleaning the internal area of panel, cleaning the rusted parts by WD-40 and replacing the damaged spare parts like nuts, bolts , screws etc with new steel nut bolts washersincluding repairing of panel doors by welding broken hinges and repairing the door locksall as specified and directed by Engr-in-charge. Note : LT panelin which repairing of internal wiring, not requiredand not coveredunder item No. 7 above shall be measured under this item. |
| 18 | M&L for taking shut down for repairing of feeder pillars out door typeby providing connectors, copper lugs, nuts, bolts, etc of suitable sizes for incoming and outgoing UG cables includingproper LT insulation tapes to cables which are deteriorated and cleaning the internal area of panel, cleaning the rusted parts by WD-40 and replacing the damaged spare parts like nuts, bolts , screws etc with new one including repairing of panel doors by welding broken hinges, providing new hinges where old hinge rusted and repairing the door locks / providing new locking arrangementincluding taking out incoming and out going cable burried in undergound cutting and providing new aluminium lugs and reconnected to bus bar/ MCCB`s/MCB`s all as specified and directed by Engr-in-charge. Note :(i) Feeder Pillar boxin which repairing of internal wiring,welding of doors not requiredand not coveredunder item No. 7 above shall be measured under this item. (ii) Excavation required and cost of lugs is deem to be included in rate of the item. (iii) Contractor shall arrange the Welding machine on site for welding ofdetached Panel doors by providingMS hinges heavy duty and providing tower bolt for locking arrangement |
| 19 | M&L for Maint and cleaning of surrounding area of sub stations, near LT panels, feeder pillars, transformer etc by cutting seasonal grass, bushes etc,including spreading of strong herbicides in order to stop the fast growth of grass/bushes around the feeder pillars and panels by employing skilled mazdoor including using own T&P as required to do the job and taking all precaution while men on working in sub station being dange zone all as specified and directed by Engr-in-charge. Note : As vegitation growth is very high in the Stn due to humid climate,area cleaning of installations can be repeated and to be done twice/thrice as per the requirement and directed by Eng in Charge. |
| 20 | Demolition of cement Concrete (unreinforced) of any description and in any position complete all as specified and directed. |
| 21 | Materials and Labour for plain cement concrete (1:3:6) Type C-2 using 40 mm graded aggregate in foundations, filling and mass concrete complete all as specified and directed. |
| 22 | Materials and Labour for plain cement concrete (1:2:4) type B1 using 20 mm graded aggregate in lintels up to 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed including necessary from work complete all as specified and directed. |
| 23 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 100 Amps and 25 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In,complete all as specified and directed. [Cat No. CM91712OOKOOG of Make “L&T” or equivalent Model of Make Siemens/ Legrand / ABB.] |
| 24 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 160 Amps and 25 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In,complete all as specified and directed.[Cat No. CM92108OOM1OG of Make “L&T”/Schneider Model : Easy Pact CVSCat Part No.LV516343 or equivalent Model of Make Legrand / ABB.] |
| 25 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 200 Amps and 36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In, complete all as specified and directed. [Cat No. CM92109OON1OG of Make “L&T/Schneider Model : Easy Pact CVSCat Part No.LV525342 or equivalent Model of Make Legrand / ABB.] : |
| 26 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 250 Amps and 36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In, complete all as specified and directed. [Cat No. CM92109OOP1OG of Make “L&T/Schneider Model : Easy Pact CVSCat Part No.LV525343 or equivalent Model of Make Legrand / ABB.] : |
| 27 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 400 Amps and 36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In, complete all as specified and directed. [Cat No. CM94105OOR1OG of Make “L&T/Schneider Model : Easy Pact CVSCat Part No.LV540309 or equivalent Model of Make Legrand / ABB.] : |
| 28 | Supply and Fix in repairs,moulded case circuit breakers (MCCBs),conforming to IEC 60947-2& IEC 60947-2, AC 415V, 4 pole, with current rating 630 Amps and 36 KA breaking capacity Icu at 415V, AC, 50Hz, with adjustable Over Load setting: 0.8 - 1.0 x In and adjustable Short Circuit setting:6-10 x In, complete all as specified and directed. [Cat No. CM94106OOT1OG of Make “L&T/Schneider Model : Easy Pact CVSCat Part No.LV563309 or equivalent Model of Make Legrand / ABB.] : |
| 29 | Disconnecting and Taking out unserviceable, U/G cables, 1100 Volts grade from trenches/ducts/ poles etcof any size complete all as directed. |
| 30 | M&L for relayingold serviceable UG cable of any size/ type on trenches/ wall/ roof etc. after necessary repair/ rerouting works complete all as specified and directed by Engr-in-charge. Note :- i)In relaying of cable old serviceable bricks, GI pipes obtained during taking outexisting cable shall be reused. Ifrequired new bricks, sand, GI pipe shallalso be use.New brick and sand to be measured and paid under relavant item seperately. |
| 31 | Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured,3½ core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 185 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed. |
| 32 | All as per Item No 31 here-in-before but size of cable 120 sqmm3½ core, complete all as specified and as directed. |
| 33 | All as per Item No 31 here-in-before but size of cable 70 sqmm3½ core, complete all as specified and as directed. |
| 34 | All as per Item No 31 here-in-before but size of cable 35 sqmm3½ core, complete all as specified and as directed. |
| 35 | All as per Item No 31 here-in-before but size of cable 25 sqmm4 core, complete all as specified and as directed. |
| 36 | All as per Item No 31 here-in-before but size of cable 16 sqmm 4 core, complete all as specified and as directed. |
| 37 | All as per Item No 31 here-in-before but size of cable 10 sqmm 2 core, complete all as specified and as directed. |
| 38 | M&L for detecting of fault in 1100V (E) LT cable of any size , 3½core laid in trenches/ducts with the help of electronic fault locating machine comprising of surge generator, echo fault locator with high frequency distance calculator etc and exposing the cable fault, removal of deteriorated portion of cable, treating the cable including making it ready for jointing work complete all as directed by Engineer-in-Charge. Note: - (i) The quoted rate shall deemed to include for the cost of earthwork excavation as required. (ii) Cable if replaced &cost of Jointing kit shall be measured & paid separately. |
| 39 | S& F SS enclosure for MCCBof rating 250 Amp In-built neutral Link for TPN system l IK08 and IP30 Protection having Louvers for better heat dissipation Suitable to accommodate upto 185 sq. mm. 3 1/2 core Aluminum armoured cable incl taking down unsv one and fixing serviceable/ new MCCB in enclosure and connectiing existing IC/OG cable with proper dimension lugs all as specified and directed. Make L &T Cat Part No. CM91003OOOO or equivalent in Havells /CG.Note :New MCCB shall be measured and paid seperately. |
| 40 | S& F SS enclosure for MCCB 125 Amp In-built neutral Link for TPN system l IK08 and IP30 Protection having Louvers for better heat dissipation Suitable to accommodate upto 70 sq. mm. 3 1/2 core Aluminum armoured cable incl taking down unsv one and refixing serviceable/ new MCCB in enclosure and connectiing existing IC/OG cable by providing lugs of suitabledimension all as specified and directed. Make L &T Cat Part No. CM90996OOOO or equivalent in Havells /CG.Note :New MCCB shall be measured and paid seperately. |
| 41 | Materials and Labour for Straight Through Joints, tubular sleeve type, for 1.1 KV Grade, underground cable including jointing kits and accessories complete for making joints, suitable for 3/3 ½ /4 core XLPE armoured, aluminium conductor cable, of size 6 sq. mm to 16 sq. mm, complete all as specified and directed.[Kit No.EPKJ 0123 of Make "Raychem" or equivalent Model of Make M-Seal/3M] |
| 42 | Materials and Labour for Straight Through Joints, tubular sleeve type, for 1.1 KV Grade, underground cable including jointing kits and accessories complete for making joints, suitable for 3/3 ½ /4 core XLPE armoured, aluminium conductor cable, of size 25 sq. mm to 50 sq. mm, complete all as specified and directed.[Kit No.EPKJ 0130 of Make "Raychem" or equivalent Model of Make M-Seal/3M] |
| 43 | Materials and Labour for Straight Through Joints, tubular sleeve type, for 1.1 KV Grade, underground cable including jointing kits and accessories complete for making joints, suitable for 3/3 ½ /4 core XLPE armoured, aluminium conductor cable, of size 70 sq. mm to 150 sq. mm, complete all as specified and directed.[Kit No.EPKJ 0137 of Make "Raychem" or equivalent Model of Make M-Seal/3M] |
| 44 | Materials and Labour for Straight Through Joints, tubular sleeve type, for 1.1 KV Grade, underground cable including jointing kits and accessories complete for making joints, suitable for 3/3 ½ /4 core XLPE armoured, aluminium conductor cable, of size 150 sq. mm to 185 sq. mm, complete all as specified and directed. Make "Raychem" or equivalent Model of Make M-Seal/3M] |
| 45 | Materials and Labour for Straight Through Joints, tubular sleeve type, for 1.1 KV Grade, underground cable including jointing kits and accessories complete for making joints, suitable for 3/3 ½ /4 core XLPE armoured, aluminium conductor cable, of size 240 sq. mm to 300 sq. mm, complete all as specified and directed.[Kit No.EPKJ 0144 of Make "Raychem" or equivalent Model of Make M-Seal/3M] |
| 46 | Horizontal boring of holes, under road/ pavement / hard standing etc.,not exceeding 15 Metres in length, in any type of soil, suitable for passing through 40 to100 mm bore, galvanised steel tubing,and making good distrubed surfaces as per existing specification complete all as specified and directed. |
| 47 | Material and labour for 80 mm dia galvanized iron tube Medium grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc,including including all fitting clamps, nut, bolt and washers complete all as specified and directed. |
| 48 | Material and labour for 50 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc,including including all fitting clamps, nut, bolt and washers complete all as specified and directed. |
| 49 | Material and labour for 40 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc,including including all fitting clamps, nut, bolt and washers complete all as specified and directed. |
| 50 | Taking down old unsv/ corrodedLT feeder pillar box/ DB Box/ Busbar Chamber of any sizes or types (after disconnection of all electrical connections) complete for replacement with new one all as specified and directed by Engr-in-Charge. |
| 51 | Supply,installation,testing and commissioning 3 phase and neutral , 415 volts out door type , CPRI approved,factory made free standing , floor mounting ,dust and vermin proof, cubical type LT panel fabricated from 3.15 mm thick CRCA sheet for outer shell and 2.0 mm for inner shell,with angle iron frame of 50 x 50 x 6 mm , double door , front and back openable type,double door system,hinged opening , rubber lining,locking arrangement,with anticorrosive coating and finally epoxy polyester power coatingwith pure polyster Siemens grey structural RAL-7032 shade , protection class IP-54 fully compartmentalize design with 4 nos of bus bar made of copper of ETP grade suitable for 600Amps ( Size of copper strip should not be less than 40 x 10 mm for each phase and neutral) pre-wired with suitable size of copper strip/ copper wire with colour code for connecting out going MCCB/ MCB`s, including suitable aluminium earth strips conforming to IS with danger notice plate , necessary cable glands , cable connection with proper lugs , pad lock of size 50 mm , 7 lever of Make Goodrej for locking arrangement ,PCC foundation and pedestal for fixing piller feeder box / LT Panel with PCC 1:5:10 , 15 cm thick in foundation , brick (Fly ash) / PCC block work in CM 1:6 , rendering 1:6 on exposed surface and 100 mm thick PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in padding on top and grouting bolts etc for panel. The plateform shall be of 450 mm height above ground level all as specified with supply and fixing the following.(A) Incoming (i) MCCB400 Amps rating,4 pole , 415 V, AC, 50 HZ, thermal release range 320-400 Amp withadjustable overload setting and , short circuit setting, Ics-100 % Icu , service breaking capacity 36 KA, Conf to IEC 60947-2 including all accessories like spreader terminals and separator , with rotary handle etc. . Make: L&T Cat Part No. CM98403OOROOG --- 01 Nos with rotatary handle. (ii) Digital Ammeter---01 Nos with Suitable CT and wiring. (iii) Digital Voltmeter - 01 No (iv) Three indication lamp (v) Neon type for three phase. (vi) Slector switch - 2 Nos |
| 52 | B) Outgoing (i) MCCB250 Amps rating,4 pole , 415 V, AC, 50 HZ, thermal release range 200-250 Amp withadjustable overload setting and , short circuit setting, Ics-100 % Icu , service breaking capacity 36 KA, Conf to IEC 60947-2 including all accessories like spreader terminals and separator ,etc Make: L&T Cat Part No. CM92109OOP1OG - 01 Nos with rotatary handle. (ii) MCCB200 Amps rating,4 pole , 415 V, AC, 50 HZ, thermal release range 160-200 Amp withadjustable overload setting and , short circuit setting, Ics-100 % Icu , service breaking capacity 36 kA - 02 Nos with rotatary handle. Make : L& TCat Part No. CM92109OON1OG or equilvalent in Legrand/ Siemens (iii) MCCB 100 Amp rating 4 pole , 415 V, AC, 50 HZ, thermal release range 80-100 Amp withadjustable overload setting and , short circuit setting, Ics-100 % Icu , service breaking capacity 25 kA - 02 Nos with rotatary handle. Make : L& T cat Part No. CM91712OOKOOGor equilvalent in Legrand/ Siemens (iv) MCB 40 Amp rating 4 pole ,C-curve ,415 V, AC, 50 HZ, 10 kA - 01 Nos. |
| 53 | Note:- (i) All MCCB/MCB should be of Make :L&T/ Legrand /Schnider/Seimens. (ii) Drawing of LT panel and make of items shall be get approved from GE before ordering the panel. (iii) Cost of lugs for cable and cable gland etc also included in unit rate of panel. (iv) Rotary handle to be provided for allMCCB for control and operation of MCCB. (vi) The rating of copperbus bar to out going MCCB / MCB`s shall not be less than 1.5 times the rated current of individual out going feeders/ MCCB. (vii)Independent Amper meterwith CTs to be provided for each out going feeder. (viii) Spreader terminals and Phase barriers to be provided with all MCCB`s (ix) Rate of panel include refixing of all cables in panel which are dismantle & taking out from old unserviceable panel. |
| 54 | M&L for earthing complete with galvanised steel earth plate electrodesize 600 x 600 x 6 mm thick, burried directly in ground, (Earth pit not less than 3.25 m deep below ground level) with top edge of the plate not less than 2.5 m below ground level connected to galvanised iron strip 32 x 6 mm as earthin lead wire by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 connected to earthing test point all as specified or indicated including testing on completion, surrounded from all sides by mixture of charcoal and common salt and electrode by means of steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work all as shown in electrical plate No 3 connected to earthing test point all as specifiedNOTES 1. The unit rate includes for protection pipe and GI strip dia from top of earth plate upto 7.5 meter above ground level. NOTE:- 1. The unit rate includes for protection GI pipe of 40 mm and watering pipeof 20 mm bore including excavation for earth pit in any type of soil/ disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to achieve desired result as the soil resistiviy is very high. 3.The cost ofGI strip of size 32 X 6 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of above item.and copper strip beyond 7.5 RM will be measured seperately. 4. All the joints in GI strip and connection with Earth Plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5. Cost ofwelding and nut bolts are deemed to be included in the unit rate. |
| 55 | Supply and fixing in repair earth continuity conductor or main earthing lead fixed on porcelain to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3 mm copper strip soldering to each joints with brassnut bolts all as specified and directed by engr in charge. |
| 56 | M & L for painting carefully (by taking necessary shut down from respective sub-station) on steel tubular poles 9 m high from (above ground 7.5RM) upto top of the pole, including cross arms, bracings, clamps, cable protection pipes, street light clamps & pipe (fix to poles) with two coats of 1st quality aluminium paint after preparation of surface by wire brush and painting with two coats of synthetic enamel paint black colourfrom ground level to 1.0 m high with writing Pole No. of suitable size of letters as directed. Note : Size of lettering and colours of paints will be directed by Engr-in-charge. |
| 57 | S & F in repair rotary handle for operating MCCB direct ROM type complete all as specified and directed by Eng in Charge. |
| 58 | S & F in repair rotary handle for operating MCCB direct Extended ROM type complete all as specified and directed by Eng in Charge. |
| 59 | M&Lfor fabricating door offeeder pillar box as per existing size of 3.15 mmsheet, painted with existing colour and fixing the door in panel board by providing hinges complete all as specified and directed by Eng in Charge. |
| 60 | Supply and fixing copper lugsuitable of 25 Sqmmcopper cableall as specified and directed |
| 61 | Supply and fixing copper lugsuitable of 50 Sqmmcopper cableall as specified and directed |
| 62 | Supply and fixing copper lugsuitable of 95 Sqmmcopper cableall as specified and directed |
| 63 | S&Fin repair Auto transfer switch in sheet steel enclosure of 200 Amp, 415 Volt, 3 Phase , 50 HZ , Frame 2,with advance feature of priority source slection, suitable for 3 Phase and 1 Phase source, ajustable time delay, with terminal shrouds, Phase barriers and source seperator, including connecting the existing cables in ATS and taking out old existing unserviceable ATS complete all as specified and directed by Eng in Charge. Make L&T , Cat Part No. CK90163BSOO or equivalent in as catered in PS |
| 64 | S&Fin repair Auto transfer switch in sheet steel enclosure of 160 Amp, 415 Volt, 3 Phase, 50 HZ , Frame 2,with advance feature of priority source slection, suitable for 3 Phase and 1 Phase source, ajustable time delay, with terminal shrouds, Phase barriers and source seperator, including connecting the existing cables in ATS and taking out oldunserviceable ATS complete all as specified and directed by Eng in Charge. Make L&T , Cat Part No. CK90162BSOO or equivalent equivalent in as catered in PS |
| 65 | M & L for repairs/maint of 3 Phase servo controlled voltage stabilizer of capacity 50 kVA after disconnection from supply,removing old faulty spare parts and replace with new one including testing after repair workcomplete all as specified & directed. (i) Repairs and rewinding woks shall be carried out through authorised technicians of the OEMs as approved by GE. (ii) Spares for replacement will be measured and paid separately. |
| 66 | Supply only electronic circuit board for voltage regulation as per OEM specification |
| 67 | Supply only rotary switchas per OEM specification |
| 68 | Supply only control card (3Phase) as per OEM specification |
| 69 | Supply Only Trip card as per OEM specification |
| 70 | Supply only micro switch as per OEM specification |
| 71 | Supply only Trip bypass switch as per OEM specification |
| 72 | Supply of SCR ( Silicon controlled rectifier) as per OEM specification |
| 73 | Supply of control transformer as per OEM specification |
| 74 | Aux contact block as per OEM specification |
| 75 | Supply and Fix in repairs, On Load Change Over Switch in sheet steel enclosure, Four Pole, Current Rating 160 Amps, conforming to IS 13947 (Part 3)-1993; IEC: 60947-3, complete all as specified and directed. [Cat No.CO21600OSOO of Make “L&T” or equivalent Model of Make Siemens/ Legrand / ABB.] |
| 76 | Supply and Fix in repairs, On Load Change Over Switch in sheet steel enclosure, Four Pole, Current Rating 250 Amps, conforming to IS 13947 (Part 3)-1993; IEC: 60947-3, complete all as specified and directed. [Cat No.CO32500OSOO of Make “L&T” or equivalent Model of Make Siemens/ Legrand / ABB.] |
| 77 | S&F in repair 4 Pole power contactorType MCX 45, Conf to IS/ IEC 60947-4-1 & IEC 60947- 4 -1, 415 V, 50 Hz, with AC -1rating 600 Amp with Aux contact 2 NO + 2 NC size Fr 5 complete including fixing in location complete all as specified and directed by Eng-in-Charge. Make L&T , Cat Part No. CS97027 or equivalent in Havells/Legrand |
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