Military Engineer Services-MES has published Tender For Miscellaneous Repairs And Day To Day Maintenance Of Electric Supply System, Capacitor Panel, High Mast, Amf Panel And Allied Works Under Age E/M No 1 Of Ge (U) Secunderabad. Submission Date for this Tender is 03-07-2023. Electrical Maintenance Tenders in secunderabad Telangana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 26-Jun-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 03-07-2023 |
| Sl. No. | Item Description |
| 1 | M&L for attending, repair and rectification of external LT electric supply complaints on 11000/1100 Volts grade, under ground / over head system along with necessary T & P, safety devices as per site requirement for the following type of complaints complete all as specified and directed:- |
| 2 | Replacement of LT blown out fuse as per existing capacity in any location of upto 200 Amps. |
| 3 | Replacement of wornout jumpers, jointing and tightening with new ACSR conductor. Note:- Single phase/two wire or 3 phase/4 wire system will be considered as one job for payment purpose. |
| 4 | Trimming/pruning and removing of tree branches or any other foreign objects from LT over head conductor and clearing the OH Line of any type and size for one span of any length in 2 way /4 way/6 way conductor system. Notes: (i) The contractor is responsible for provision of Necessary T & P and safety equipments and safety of workmen employed to complete the job. |
| 5 | Dismantling of insulators any size and any type from existing LT line , removing materials taking to schedule of creditcomplete all as specified Note:- Insulators shall be measured and paid separately under respective items. |
| 6 | Disconnecting from over head conductor, cutting worn out portion of LT cables of any type and size, carry out repairs including taking out cables from under ground loop line and rejoining the same to restore electric supply. Notes:- (i) LT Jointing kits, LT XLPE Cables of any size, Cable protection Pipe if required at site will be measured and paid separately. (ii) Quoted rate is deemed to be inclusive of cutting and removing the Pole coping and inserting the cable along with protection pipes. |
| 7 | All as per item No 1.05 here in before but from LT switch gear/main switch board of any type and size including provision of suitable size of aluminum / copper cable lugs. |
| 8 | Dismantlingof rusted/ broken over head conductor of any type and length as required at site including removing of foreign objects if any from the over head lines. Notes:- (i)ACSR conductor used for replacement will be measured and paid under respective items. |
| 9 | Replacement of faulty LT switch gear of any type and size fixed in panel board pole mounted boxes on walls or any other indicated places including provision of lugs/thimbles of suitable sizes. Note: - Switch gearswill bemeasured and paid separately under relevant items of this schedule. |
| 10 | Dismantling of cross arms of MS channel of angle section for issue of schedule ofcredit |
| 11 | Dismantling of steel poles/ concrete poles of an site an location for issue of schedule of credit |
| 12 | Notes for Item Nos 1 to 1.10 :- (a)The contractor will be allotted complaints at MES complaint cell on daily basis on all working days and sufficient resources will be deployed by him/her for completion of day to day complaints within 24 Hrs from the time of reporting. Any delay beyond above mentioned time limit without intimation of sufficient cause, penalties will be recovered twice of the quoted rate for each un-attended complaint. (b)A detailed log of complaints with completion/non-completion remarks from users/MES will be maintained by the contractor and the same will be updated on daily basis in consultation with Engr-in-Charge or JE E&M as detailed. (c)The contractor will make suitable arrangement for emergency complaints and will notify authorised rep/Engr-in-Charge about extraordinary circumstances for probable non-completion or delay in rectification of complaints beyond stated time limit set for disposal of complaint.In case of any dispute the decision of accepting officer will be final and binding in this regard. (d)The contractor will intimate MES authority well in advance if electric shutdown is required during rectification of complaints. (e)The quoted rate is deemed to be inclusive of transportation and other expenses required for the resource deployment at the complaint site around scattered Military station at Secunderabad. (f)The contractor will maintain location wise record of each spare utilized as per inventoy format given by AGE E/M, Secunderabd and the same shall be submitted to E/M No I store on daily basis. |
| 13 | Supply and stringing ACSR conductor ofany size forLT over headlineconnections of squirrel/weasel/Mink as per site requirement including provision of aluminum biding wire complete . |
| 14 | Supply only the following materials as in repairs/replacements complete all as specified and directed. |
| 15 | Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut,100mm height, 65mm dia for 1100 volts grade. |
| 16 | Shackle type insulator, porcelain vitreous, white / brown / green,1100 Volts grade, 75mmheight&90 mmdiaincludinggalvanisedmildsteel strapof31 x 3 mm, 12 mm dia insulator bolt, washers& nuts. |
| 17 | Loop type insulator porcelain vitreous white, brown or green with overall dimensions of 90 x 140 mm, clearance of hole 25.5 mm. |
| 18 | MCCB 63 Amps, 3 pole, 415 Volts with rapturing capacity 16 KA, fixed thermal and fixed magnetic settings. |
| 19 | MCCB 63 Amps, 4 pole, 415 Volts with rapturing capacity 16 KA, fixed thermal and fixed magnetic settings. |
| 20 | MCCB 100 Amps, 3pole, 415 Volts with rapturing capacity 16 KA, fixed magnetic and thermal settings. |
| 21 | MCCB 100 Amps, 4 pole, 415 Volts with rapturing capacity 16 KA, adjustable magnetic and thermal settings. |
| 22 | MCCB 160 Amps, 3 pole, 415 Volts with rapturing capacity 35/36 KA adjustable magnetic and thermal settings. |
| 23 | MCCB 160 Amps, 4 pole, 415 Volts with rapturing capacity 35/36 KA adjustable magnetic and thermal settings. |
| 24 | MCCB 200 Amps, 3 pole, 415 Volts with rapturing capacity 35/36 KA adjustablemagnetic and thermal settings. |
| 25 | MCCB 200 Amps, 4 pole, 415 Volts with rapturing capacity 35/36 KA adjustable magnetic and thermal settings. |
| 26 | MCCB 250 Amps, 3 pole, 415 Volts with rapturing capacity 35/36 KA adjustable magnetic and thermal settings. |
| 27 | MCCB 250 Amps, 4 pole, 415 Volts with rapturing capacity 35/36 KA adjustablemagnetic and thermal settings. |
| 28 | MCCB 400 Amps, 4 pole, 415 Volts with rapturing capacity 35/36 KA adjustable magnetic and thermal settings. Notefor Item Sl No 2.04 to 2.14 : Any modification/ alteration in existing panel which is required to fixing of MCCB is deemed to be included in unit rate |
| 29 | Supply, lay, commissioning and testing of cable jointing Kit for 1100 V grade cable for straight through heat shinkble jointwith jointing material and accessories suitable foraluminum conductor cable of sizeupto 35 sqmm, 3.5 Core complete all as specified and directed. |
| 30 | All as per item No 3 here-in-before but suitable foraluminium conductor cable of sizefrom 50 sqmm, 3.5 Coreto 95 Sqmm, 3.5 Core |
| 31 | All as per item No 3 here-in-before but suitable foraluminium conductor cable of sizefrom 120 sqmm, 3.5 Coreto 185 Sqmm, 3.5 Core |
| 32 | M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional arealaid in trenches / duct or fixed to wall / passing through pipe on pole with suitable size cable glands, crimping type cable lugs for stranded aluminum conductor of following sizes complete all as specified and directed :- Note : Excavation, earth work, sand cushioning and cable protection items etc shall be measured and paid under respective items of BOQ. |
| 33 | 2 core X 10 Sqmm |
| 34 | 2 Core X 16 Sqmm |
| 35 | 4 Core X 16 Sqmm |
| 36 | 4 Core X 25 Sqmm |
| 37 | 3.5 Core X 35 Sqmm |
| 38 | 3.5 Core X 50 Sqmm |
| 39 | 3.5 Core X 70 Sqmm |
| 40 | 3.5 Core X 95 Sqmm |
| 41 | 3.5 Core X 120 Sqmm |
| 42 | 3.5 Core X 185 Sqmm |
| 43 | Labour only for releasing the binding of ACSR conductor of LT over head line from insulator, removing the jumper, connector, service wire, UG cable and restringing the existing ACSR conductor of any size, length, span upto desired sag and fixing the existing ACSR conductor on insulators by proper binding, jumper connection etc complete all as specified and directed. Notes:- (i)Single run of conductor will be measured as one unit which is deemed to be included in the quoted unit rate. (ii) Extra aluminum conductor required for jumpers and binding purpose is deemed to be included in the quoted unit rate. |
| 44 | M & L for testing earthing of installations, buildings, equipment etc and treating of earthings by pouring salt water and submit results sheet to AGE E/M No-I complete all as specified and directed. Note: Contractor has to arrange necessary tools required for the job. |
| 45 | Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation of PCC/Steel pole, laying of cable in trenches etc and getting out in hard / densesoil complete all as specified and directed. |
| 46 | All as per item No 9 here in before but depth above 1.5 m & below 3 m |
| 47 | Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in soils complete all as specified and directed. |
| 48 | Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed. |
| 49 | M&L filling approved river sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed. Note :- Thickness of sand cushion after punning down shall be measured for payment. |
| 50 | Supply and Lay bricks common burnt clay building bricks sub-class "B" designation 75 of size 230x115x75 mm complete all as specified and directed. |
| 51 | M&Lfor PCC 1:3:6 type C1 using 20mm graded aggregate set in cement mortar 1:4 as in coping/pedestals of poles including necessary form work complete and applying two coats of white wash to exposed surface of coping/platform complete all as specified and directed. |
| 52 | M&Lfor PCC 1:3:6 type C2 using 40mm graded aggregate as in foundation, filling and mass concrete for pole / stay / post etc complete all as specified and directed. |
| 53 | M&L for stay assembly with all accessories as shown in Electrical Plate No 1 of SSR Part I (2009) with 16 mm dia stay rod and including 7/2.24 mm size stay strand and stay clamps including dismantling old unserviceable stay assembly complete all as specified and directed. Note : Loop type insulator, excavation, earth work and concrete shall be measured and paid separately under relevant items of this schedule. |
| 54 | M/L cross arms, bracing supports clamps and back plates fabricated from structural steel section incl nuts, bolts washers, welding, bending cold or hot drilling holes for bolts in any shapes or size as directedincluding applying two coat of quality aluminum paint over one coat of red oxide primer and fixed over RCC Pole/ steel poles of any height complete all as specified and directed. |
| 55 | M & L for replacement of broken earth pit made out of PCC 1:2:4 type B1 using 20 mm graded crushed stone aggregate, 20 mm thick and earth pit cover made out of RCC 1:2:4 type B1, cover reinforced with 8 mm dia TMT bars @ 100 mm center to centre both ways with hook made out of 8 mm dia bar, watering arrangement with funnel and wire mesh and including reconnecting of earth lead of any type with new nuts, bolts and washers etc as required at site complete all as specified and directed. |
| 56 | M & L for painting the existing LT steel poles of 9.0 Mtr long including cross arms, clamps, street light junction boxes etc with 2 coats of aluminium paint over a coat of red oxide primer including throughly cleaning the existing surface, painting the poles up to 1.5 Mtr height with alternate bands 30 cm height (3 Nos black and 2 Nos Yellow) from ground level, complete all as specified and directed. |
| 57 | M & L for Painting the existing LT PCCpoles with applying two coat of cement based paint over one coat of primer including painting of cross arms, clamps, etc with two coats of aluminum paint and providing alternative band of 30 cm width (3 Nos black and 2 Nos yellow) from bottom of pole to 1.5 meter heightcomplete all as specified and directed. |
| 58 | Supplying, errecting and fixing steel tubular swaged poles with cast iron base plate of size 300mm x 300mm x 6mm, finial taper plug, bolts, nuts & screws for type 410 SP-31 (9.0 metres long)including painting with two coats of aluminum paint over one coat of redoxide primer on all exposed surfaces and tarring with black bituminous paints to embedded portion in PCC and providing 3 Nos of 30cm wide circular bands with black & yellowpaint starting from plinth level at a gap of 30 cm in between 2 bands and numbering of poles, in yellow paint over black painted back ground at a height of 2m from bottom of pole with 5 cm large bold letters 2" (inch) widecomplete all as specified and directed. Note: Excavation, earth work, PCC in foundation and coping shall be measured and paid separately under relevant item of this schedule. |
| 59 | Supply & lay heavy duty PVC insulated multi stranded Aluminum conductor twin core of size 4.0 Sqmm, 230 volts, 50 HZ complete all as specified and directed. |
| 60 | Supply & lay heavy duty PVC insulated multi stranded Aluminum conductor twin core of size 6.0 Sqmm, 230 volts, 50 HZ complete all as specified and directed. |
| 61 | Supply & lay heavy duty PVC insulated multi stranded Aluminum conductor twin core of size 10.0 Sqmm, 230 volts, 50 HZ complete all as specified and directed. |
| 62 | Supply & lay GalvanisedIron tubing50mm bore, light grade in protection of cable at road crossing/hard standing/pole protection fixed with MS clamps of size 40 X 4 mm, nut bolts and washer as per site requirement including taking down old unserviceable pipes complete all as specified anddirected. |
| 63 | All as per item No 26 above but GI tubing 80 mm bore. |
| 64 | M&L cutting of road/hard standing upto a size not exceeding 20 cm in width and not exceeding 60 cm in depth for laying of LT UG cable/protection pipe line making good the disturbed portion so as to match existing finishing with PCC 1:2:4 type B1/cement mortar in CM (1:2) complete all as specified and directed |
| 65 | S&F On- load changeover switch in sheet metal enclosure with front handle operating system, powdercoated, factory made of capacity 63Amps, 4 poleSCHStype with fixing arrangement on site including removing the existing unserviceable one complete all as specified and directed. Make:- Standard Cat NoISCFE0063or equivalent make in Havells/Legrand/IndoAsian as approved by GE. |
| 66 | S&F on- load changeover switch in sheet metal enclosure with front handle operating system, powdercoated, factory made of capacity 100Amps, 4 poleSCHStype with fixing arrangement on site including removing the existing unserviceable one complete all as specified and directed. Make:- Standard Cat NoISCFE0100or equivalent make in Havells/Legrand/IndoAsian as approved by GE. |
| 67 | S & F hot press moulded SMC junction / terminal box of size with internal diamensions of 200 x 140 x 95 mm with hinged door, incl provision of 2 way connector415 Volts made out of polycarbonate or bakelite and 1 No MCB of 6 Amps with DIN bar, drilling holes for cable connections, connecting incoming and or out going cables by providing suitable of size of cable lugs/glands, fixied on pole by means of clamps made out of MS flat iron of size 25 mm x 3 mm including dismantling of old unserviceable all as specified and as directed. |
| 68 | S&F Weather proof outdoor bus bar chamber, made out of 3 mm thick MS sheet duly powder quoted comprising4 Nosaluminium strips each of 200Amps, 60cm long duly insulated mounted on insulators including MCCB 200 Amp with 4 No’s mounting legs made out of 25mm x 25mm x 6mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), andconnections with suitable size of aluminium thimbles, nuts, bolts & washers including cable glands at entry and outlet points including excavation and earth work, returning filling and removal of surplus soils, including taking out old unserviceable bus bar chamber complete all as specified and directed. |
| 69 | Supply and fix PVC Line Spacer for 4 way Low Tension overhead conductor system complete all as specified and directed. |
| 70 | M & L earthing complete with galvanised steel earth plate electrode 60cmx 60cmx 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron strip 25 x 4 mm, by means of nuts, bolts,check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth elelctrode to test pointincl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- The cost of 7.5m long galvanised iron earth strip 25 x 4 mm size and protection pipe of 40mm bore GI light grade is deemed to be included in quoted unit rate. |
| 71 | S& F in replacement of old unserviceable lugs after cutting the worn out /faulty cable end from LT pillar/panel box including necessary earth work for taking out the cable from loop line, returning, filling in and making cable lead by providing aluminum lugsincluding crimping with crimping tools in the existing LT cable 3.5 core upto 25 Sqmm including necessary connection complete all as specified and directed. |
| 72 | All as per item No 35 here-in-before but aluminium lugs of size 35 Sq mm. |
| 73 | All as per item No 35 here-in-before but aluminium lugs of size 50 Sq mm. |
| 74 | All as per item No 35 here-in-before but aluminium lugs of size 70 Sq mm. |
| 75 | All as per item No 35 here-in-before but aluminium lugs of size 95 Sq mm. |
| 76 | All as per item No 35 here-in-before but aluminium lugs of size 120 Sq mm. |
| 77 | All as per item No 35 here-in-before but aluminium lugs of size 150 Sq mm. |
| 78 | All as per item No 35 here-in-before but aluminium lugs of size 185 Sq mm. |
| 79 | S&F connecting and testing MCB Single pole (SP) 240 volts of capacity 20 A10 KA 50 Hz "B" curve complete |
| 80 | S&F conneting and testing MCB isolator three pole and neutral 440 volts of capacity 40 A16 KA 50 "c" curve complete |
| 81 | S&F connecting and testing MCB isolator three pole and neutral440 volts of capacity 63 A16 KA 50 "c" curve complete |
| 82 | M & L for digital voltmeter of range 0 to 500 volts and size 96 mm square dialincluding necessary wiring if any required and taking down old defective voltmeter complete allas specified and directed. |
| 83 | M & L for digital ammeter of range 0 to 500 volts and size 96 mm square dialincluding taking down old defective ammeter complete allas specified and directed. |
| 84 | Repair/maintenance, excluding major spares but including regualr maintenance of the Automatic Power factor correction panel capacity up to 100 KVARs and upto 8 stages installed atvarious locations including carrying out complete maintenance/repairs as required of all the sub systems viz. basedcontrol panels, feeder pillar, APFC relay, Power capacitor bank, Power contactors, Control wiring, Monitoring CT,MCBs/MCCBs for isolation (with all the accessoires) anybreakdownmaintenance and replacement of unserviceable parts, refixingof old serviceable parts/new parts if anyproject completionand trouble shooting responsibility also lies with contractor including following provisions complete all as specified and directed. Notes:-(i) Rate quoted by tenderer is deemed to be inclusive of checking of system fortnightly, repavement of defective control wiring, small part such as Push button, lugs any auxilary contatct,auto selctor switch etcand necessary servicing repair by expert technician and register will be maintaned for the same.(ii) work includes the labour charges required for removing, repairing, refixing, carrying out electrical termination, capacitors bank, APFC relay, power contactor, contol CT, MCBs/MCCB and fixing/installing/testing and commissioning the complete system. (iii) capacitors bank, APFC relay, power contactor, control CT, MCBs/MCCBshall be measured and paid seperatly |
| 85 | Supply only powerfactor correction capacitor, 5 KVAR, heavy duty 440 volts 50 Hz complete including taking down old unserviceable capacitor complete all as specified and directed. |
| 86 | All as per item No 49 here-in-before but 10 KVAR Capacitor Bank |
| 87 | All as per item No 49 here-in-before but 20 KVAR Capacitor Bank |
| 88 | All as per item No 49here-in-before but 25 KVAR Capacitor Bank |
| 89 | Supply only APFC relay with auto-set function 5 stage including taking down old existing relay complete all as specified and directed. |
| 90 | All as per item No 53 here-in-before butAPFC relay with auto-set function 8 stage,including taking down old existing relay complete all as specified and directed. |
| 91 | Supply only in repairs, capacitor duty contactor, type MOC built in auxillary contact blocks, 8.5 KVAR, 415 volts, 3 phase, 50 Hz, type MO C8.5 complete all as specified and directed. |
| 92 | All as per item No 55 above but capacitor duty contactor, type MO C12.5. |
| 93 | All as per item No 55 here-in-before but capacitor duty contactor, type MO C15. |
| 94 | Supplyonly PVC (LT) tape of 20 mm width and tape length - 20 M Make : Kinjal/Anchor/Steelgrip |
| 95 | Supply, installation connecting electrically commissioning and testing complete outdoor type, as recommended by manufacturer, Automatic Power Factor Correction(APFC) system 7 stage type intel VAr APFC Panel with heavy duty MPPH capacitors and MCCBs as incomer factory made single unit 440 volts, 50 Hz, 3 phase 50 KVAR (4 No X 5 KVAR+ 3 No X 10 KVAR)including taking down old existing one and comprising with following provisions :- |
| 96 | (a) Metallised polypropylene MPP-H capacitor bank heavy duty of rating50 KVAR (4 No X 5 KVAR+ 3 No X 10 KVAR) confirming to IS-2834, IS-13340, 3341 & IEC 931 (b) Capacitor duty contactor of appropriate rating for capacitor switching confirming to IEC-947-4-1 and IS 13947 (c) Automatic power factor controller relay micro processor based for switching ON & OFF of capacitors suitable to disconnect capacitor bank on No voltage. Visual alaram if unit fails to achieve required power factor automatic lock out of faulty, steps and display of power factor achieved (leading of lagging). (d) Digital volt meter and ammeter of range as required and recommended by manufacurer with in-built selector switch and CTs of appropriate ratio. (e) MCCB 63 Amps 3 pole rupturing capacity 10 KA of appropriate rating for protection of individual capacitor bank confirming to IS 8828, IEC 898. (f) MCCB 125 Amps4 pole 415 volts of appropriate current rating with rupturing capacity 35 KA as incomer confirming to IS 13947 part 2, IEC 947 2. |
| 97 | Cutting anxious green growth/vegetation growth for cleaning out the area around transformer installations, E/M installations and four pole structure yards at ground level by cutting out roots, un wanted plants bushes and removal of the same by surface excavation not exceeding 30 cm deep average 15 cm complete |
| 98 | Supply & Installation of Advance encapsulated compound based CPRI tested maintenance free, pipe in-pipe Technology upgraded (Zinc & Alloy Coated),ZINC COATED (80-100) microns with pure Zinc (99.9%) & ALLOY COATING (200-250) microns. Earthing System confirming IS 3034. The outer and inner pipe should be 48.3mm & 26.4mm 2mtrs Length, Zinc coated with additional special Alloy coating 300mm on the topside for additional protection of the Terminal. The annular space between the pipes being filled up with COMPACT FILL (CF) (Crystalline Conductive Compound). The COMPACT FILL (CF) mixture which is machine pressed in the pipes should not disintegrate or collapse when outer pipe corrodes. The inner pipe should be extended with terminals for connectivity, the job includes digging the pits and refilling the same by Baron Conductolite Back Fill compound (Ground Enhancer), the BFC should be eco friendly it should not contain environmentally hazardous material/metal having ROHS Certification from NABL accredited lab. |
| 99 | The earth pit should be provided with a FRP or EPCC earth pit cover for protection and safe guard of terminals. In areas where soil condition is bad, G00D EARTH i.e. BLACK COTTON OR MOISTURES NORMAL SOIL is to be arranged to fill the excavated pits by mixing the arranged soil with BFC 3 bags CONDUCTOLITE BFC for installation of earth electrode. As the earth electrode is the main component of the Earthing system which is in direct contact with the ground and thus provides a means of releasing or collecting earth leakage currents. The material should have good electrical conductivity & anti corrosion property in wide range of soil conditions.Model ASEEL 19 (Zinc & AC Coated ) (All the above given dimensions may vary ± 1 MM). OR Make “INDELEC”, “ERICO”, “MACMATE” .For installation of 2m earth electrode 1 Electrode with 3 bags BFC Conductoliteto mixed with soil for lowering soil resistivity in excavated pit. 1) The buried Conductors (GI/Copper/ALM) are to be covered by 150mm thick layer ofCONDUCTOLITE for additional protection of conductors & better conductivity to lower the resistivity of soil & bring down earth resistance. |
| 100 | Supply , fabricate and install LT feeder pillar box made out of 3.15 mm thick with 40 x 40 x 6mm angle steel top, 40 x 40 mm channel base CRCA sheet conforming to IS 5039 factory made and CPRI approved conforming to IP 54 outdoor cubical type totally enclosed weather dust and vermin proof with front and rear opening sloped canopy enclosure doors of 1.6mm MS Sheet with minimum clearance of 750 mm inside for easy access and working condition mounted on and including 450 mm high brick platform and 1m wide 100mm thick PCC 1:4:8 type D2 apron around the platform complete with internal wiring with suitable PVC insulated copper conductor cable including painting all over internally and externally with two coats of synthetic enamel over one coat of red oxide primer powder coated paint, including cable gland brass, copper/brass lugs and comprising of the following items : - |
| 101 | INCOMING (a) Aluminium Bus bar 25 x 3 mm, 240 Amps capacity for 3 phase and half neutralneutral with colour code RYB and N, PVC sleeves/insulation.(b) Cable entry box chamber(c) Bus raisers up to cable box chamber connected on fiber insulation on 3 phase and 1 neutral for each cable. (d) MCCB, 4 Pole 160 Amps , 415 V, 25 KA - 01 (incoming ), (e) MCCBTP 63 Amps, 16 KA, 415V - 01 (Outgoing ) , (f) MCCB TP - 25 Amps 16KA, 415 V - 03 Nos (Outgoing) (g) MCCB 32 Amps TP, 16 KA, 415 V - 02 Nos (Outgoing ), (h)CTs- 3 Nos ,(l) Internal wiring of panel board with suitable size copper strip and PVC colour code sleeves- 01 Job, Digital time switch 32 A, 3 Pole with power contactors relays 1 deg. Resolution with back up of 6 years, current capacity 16A, Anuual program with 2 Changeovers (2CO) total 168 Programs. |
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