REPAIR / MAINT OF HT DISTR SYSTEM, UG CABLES,TRANSFORMERS, RMUS, VCBS, CALIBRATION OF RELAY AND REPAIR / MAINT OF LT PANELS, UG CABLE AND CERTAIN ALLIED WORKS AT INHS KALYANI UNDER AGE E/M NO I OF GE (U-I) VISAKHAPATNAM

Amount

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in soft / loose soil complete all as specified and directed.

Returning, filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

M&L sand cushioning with clean and dry sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness shall only be measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid along alignment of cable as protection to cable in trenches complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, Type 1, flat, of size 300mmx 180mm x 40mm, laid along alignment of cable as protection to cable in trenches complete all as specified and directed.

M&L for cutting the tarmac / hard standings in road and excavating trenches across the road in size not exceeding 0.45 m wide and 0.6 m depth for laying cable including refilling earth & making good top surface of the disturbed portion with 100mm thick PCC 1:3:6 or bituminous mix as per existing & matching with the surroundings complete all as specified and directed.

S&F 100 mm bore galvanised steel tubing, medium grade with necessary fittings, laid under road crossing, for cable protection including taking down existing pipe complete all as specified and directed. Make - Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

Supply & laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, Earthed, grade cross sectional area 185 Sqmm, 3 core, laid in trenches / duct / on pole including taking down existing cable complete all as specified and directed. Make :- Havells / KEI / Polycab / Gloster / Finolex

Taking out existing XLPE Cable of any size in underground / alongwith pole or in any positon, removing materials to store for keeping in safe custody or for taking credit complete all as specified and as directed. Note:- Excavation and earthwork (if required) shall be measured and paid seperately.

Re-laying only old servicable (cable obtained from taking out old cable here-in-before after checking the fault) UG LT XLPE electric cable with alumimium conductor, 1100 volts grade of any size, laid in trenches / duct / on pole complete all as specified and directed. Note:- Excavation and earthwork (if required) shall be measured and paid seperately.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 25 Sqmm x 3.5 Core, laid in trenches / duct / on pole complete all as specified and directed. Make :- Havells / KEI / Polycab / Gloster / Finolex

All as per Sl item No. 12.00 but cross sectional area 50 Sqmm x 3.5 Core

All as per Sl item No. 12.00 but cross sectional area 95 Sqmm x 3.5 Core

All as per Sl item No. 12.00 but cross sectional area 150 Sqmm x 3.5 Core

All as per Sl item No. 12.00 but cross sectional area 185 Sqmm x 3.5 Core

All as per Sl item No. 12.00 but cross sectional area 240 Sqmm x 3.5 Core

S&F in repair 50 mm bore galvanised steel tubing, medium grade with necessary fittings, laid under road crossing, for cable protection complete all as specified and directed. Make - Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

All as per Sl Item No. 18.00 but 80 mm bore .

Supplying and laying synthetic rubber insulated mats 3 mm thick for voltage upto 33 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m including taking down existing mat complete all as specified and directed.

S&F danger notice plate of size 25 x 20 cm & 1.6mm thick mild steel sheet, vitreous enameled 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 including dismantling existing notice plate compete all as specified and as directed.

M&L cable jointing kit for 11 KV (Earthed) grade 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm for outdoor termination, heat shrink type joint complete with jointing material and accessories including taking down existing joint complete all as specified and directed. Note:- (i) The cost of Disconnecting and reconnecting the cable with HT network is deemed to be included in the unit rate quoted against this item. (ii) The cost of re-arranging the cable if needed is deemed to be included in the unit rate quoted against this item. Make:- 3M / Denson / Raychem

All as per Sl Item No. 22.00 but for indoor termination

M&L cable jointing kit for 11 KV (Earthed) grade 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm for straight through, heat shrink type joint with jointing material and accessories including taking down existing one complete all as specified and directed. Note:- (i) The cost of excavation is deemed to be included in the unit rate quoted against this item. Make:- 3M / Denson / Raychem

M&L for overhauling / repair of 11KV vacuum circuit breaker (VCB) comprising of repairs, complete overhauling / servicing, cleaning of all parts, adjusting contacts, checking epoxy body, drive insulator, spring charge mechanism, locking arrangements tripping coil circuits (closed / open) etc, checking all mechanical operations supporting insulators bush trolley auxiliary contact. make female contact and check all wiring, carrying out preventive maintenance alongwith testing of breakers by current injection test and refixing the same after repair / overhauling complete all as specified and as directed. Note:- (i) The servicing includes for busbar duct chamber, cable alleys and connecting accessories (ii) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour including lettering details all as per existing etc. to put in to the VCBs and panels in serviceable condition, testing and commissioning. (iii) Major spares like Breaker bushings, vacuum interrupter assly, busbar spout, busbar spout connections, circuit spout, circuit spout connections, buffer fixed contacts, moving contacts, tank assly, barriers, solenoid spares, dependent, spring mechanism / motor mechanism, trip unit etc will be measured and paid separately under relevant items. However the rate quoted shall be deemed to include for any other minor spares requiring replacement. (iv) The servicing shall be carried out by auhtorised service engineer of OEM and approval of the same shall be taken from Engr-in-Charge.

Overhauling/Repair of 11 KV VCB Panel with cleaning of all parts, checking & cleaning circuit all busbar spout bushings, CT/PT spout bushings, Busbar, cleaning of CT and PT, checking all wiring & rectifying Wiring faults, cleaning metering chamber, applying mono plast compound at busbar joints, fixing up issues with measuring instruments etc including minor item such as nuts, bolts, copper wires, HT insulation tapes etc required for repair complete all as specified and directed.

S&F in repair busbar / CT supporting insulator of rating 400 to 1250A, 25KA, suitable for 11kV VCB panel complete all as specified and as directed. Make:- ABB / Schneider / Siemens / Areva

S&F in repair spring charging universal motor with gear box 220V AC/DC of rating 400 to 1250A suitable for 11kV VCB complete all as specified and as directed. Make:- ABB / Schneider / Siemens / Areva

S&F 3 ph multifunction meter, digital type (displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 0.5 with RS485 port for communication in Modbus protocol, e- navigator, including taking down old one complete all as specified and as directed. Make:- L&T / Schneider / HPL / AE

S&F in repair LED indication lamps, 110 V of various colours complete all as specified and directed.

S & F in repair Epoxy Resin Spout bushings for busbar single pole R/B phase, 400-1250 Amps, suitable for 11KV VCB panel & of make as per OEM complete all as specified and directed.

All as per Sl Item No. 31.00 above but Y phase

S & F in repair Epoxy Resin Spout bushings for CT/PT/Circuit spout single pole R/Y/B phase, 400-1250 Amps, suitable for 11KV VCB panel & of make as per OEM complete all as specified and directed.

S&F in repair closing coil assembly, 110V DC suitable for 11KV VCB & of make as per OEM complete all as specified and directed. .

S&Fin repair tripping coil 110V DC suitable for 11KV VCB & of make as per OEM complete all as specified and directed.

S&F in repair T‐N‐C Switch (Breaker Control Switch) for control switches & control wiring, suitable for 11KV VCB Panel & make as per OEM complete all as specified and as directed.

M&L for cable route indicator for HT UG cable, made out of 2mm thick MS sheet in round shape of dia not less than 200mm, embossed with HT Cable on it, bolted with 2 nut of suitable size at top of 35 x 3 mm MS flat iron of length not less than 800mm, painting with 2 coats of synthetic enamel paint over a coat of primer & bottom of flat iron embedded in PCC 1:3:6 type C2 of size 200mm x 200mm x 300mm (400mm below ground level an 100mm above ground level), exposed surface of concrete painted with 3 coats of white wash including necessary earth work complete all as specified and directed.

Labour only for identifying, diagnosing, tracing, checking & rectifying High Tension (11KV) faults, tracing location by meggering the lines, faults in panels, VCB`s, Transformers and other switchgears at any location, any time round the clock and rectifying it to restore the supply within time limit at various locations using appropriate fault locator, cable route locator etc complete all as specified and directed. Note:- 1. All the activities to trace the fault, rectifying & restoring the supply shall be carried out within specific reasonable time as directed by the Engineer-in-charge. 2. The cost of required tools (T& P), minor items such as lugs, nuts, bolts, HT insulation tape and safety equipments required for the job shall deemed to be included in the unit rate quoted against this item & nothing extra shall be paid to contractor by the department on these ground. 3. Safety of manpower deployed for the job is contractor’s responsibility. In case of any accident / Fatal injury, contractor shall be held responsible to settle all claims and nothing extra shall be paid to the contractor on this account. 4. The cost of all manpower (any number) for the job is deemed to be included in the quoted unit rate. 5. The cost of Fault identification by use of fault locator (if needed) is catered in separate Items. 6. Minimum one VCB / RMU technician, one Transformer Technician & one cable Jointer must be available round the clock during rectification process of fault if respective fault occurs.

M&L for detecting HT / LT UG cable faults located in any stretch / depth with sophisticated cable fault locator consisting of microprocessor based pre-locator system, HV surge generator, fault pin point surge wave receiver, cable identification instrument , cable tracer for exact location of under ground cable routes complete all as directed. Note:- The rate quoted deemed to be inclusive of arrangement of necessary fault locator equipment, transportation of equipment & charges for service engineer.

S&F in repair 11 KV CT, epoxy resin cast, dry type, indoor, 200/100 (primary) -5 + 5 A (Secondary) , with core 1, class 0.5, core 2 class 5P10 for fixing with spout bushing complete all as specified and directed.

S&F in repair 11 KV CT, epoxy resin cast, dry type, indoor, 100/50 (primary) -1 + 1 A (Secondary), with core 1, class 0.5, core 2 class 5P10 for fixing with spout bushing complete all as specified and directed.

M&L for inspection, testing, servicing and overhauling of Factory Made 11 KV, 400-800 Amps, SF6 Insulated, Motorized, Outdoor RMU, 21 kA for 3 Seconds, Consisting of any nos Incoming and any nos Outgoing Feeders including following complete all as directed by Eng-in- charge :- (a) Preliminary inspection of 11 KV MV Switch gear for any defects. (b) Testing of CTs (c) Servicing Switch gear panels :- (i) Cleaning panel (ii) checking the condition of SF6 gas (iii) HV test. Notes:- (1) The GIS Switchgear servicing includes:- (a) Cleaning of GIS for dust, oxidising and decarburizing with CTC. (b) Repair/servicing of spring loaded operating mechanism. (c) Repair/servicing of spring charging motor. (d) Checking, repairing & servicing of gearbox, auxiliary switches, spring, limit switch etc complete. (e) Checking & repairing electrical and mechanical operations. (f) Lubrication all moving parts with petroleum jelly & cleaning all bushing insulators with CTC. (g) Tightening of all mechanical connections of mechanism. (h) Proper tightening all LV connection of VCB and cable chamber & allied connecting accessories. (2) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of RMU panels with approved colour including lettering details all as per existing etc. (3) Major spares will be measured and paid separately under relevant items of BOQ, however the unit rate quoted against this item shall be deemed to include for any other minor spares requiring replacement.

S & F in repair circuit-breaker trip coil kit 24 Vcc/Vdc suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair circuit-breaker closing coil kit 24 Vcc/Vdc suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S&F in repair motor for motorized mechanism 24 Vcc/Vdc suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair isolator switch position indication suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair circuit breaker position indication suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair CB Fault Tripping Indication suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair flair 22D lithium dua Fault Passage Indicator (FPI) suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair VPIS Standard, 3.3 to 7.7 KV suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair heat resistor for I switch operating mechanism suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair heat resistor for D/B circuit breaker operating mechanism suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

S & F in repair RM6 operating handle big size suitable for 11KV, 400 to 800 Amp RMU & of make as per OEM complete all as specified and directed.

M&L for isolating the HT supply of outdoor type transformer of capacity 200 to 1000 KVA, disconnecting HT and LT connections by opening clamps, bus bar extension and isolating the cables, keeping all the cables out from the HT/LT sides, physically checking of transformer for healthiness such as checking pressure release valve, oil condition etc. and performing transformer tests such as HV/LV megger test, ratio test, magnetic balance test, checking the lead condition from winding to bus rods, necessary soldering / jointing etc complete all as specified and as directed. Note:- (i) All testing shall be done in presence of Engr-in-Charge or his accredited rep and test reports shall be signed by contractor and Engr-in-Charge and kept on record. (ii) If the transsformer found satisfactory then HT/LT connections, assembly etc shall be done by the contractor and transformer shall be charged. (iii) If the transformer fails in these tests then the contractor has to shift the transsformer for winding / overhauling which shall be measured and paid separately. (iv) Cost of winding / overhauling if required shall be measured and paid separately.

M&L with replacement of 6mm thick synthetic rubberized cork sheet gasket for top cover, HT/LT bushes for transformer of capacity 200 to 1000 KVA including tightening all the bushings and top cover to avoid any oil leakages complete all as specified and directed.

S&F in repairs off load tap changer assembly suitable for transformer of capacity upto 1000 KVA as per existing with 5 tapping position including opening top cover, conservator etc complete all as specified and as directed.

Shifting of standby Transformer of any capacity from any sub station to within 5km, closing the transformers for loading into transporting vehicle with the help of crane, transportation to another site, unloading, including disconnecting and removing of existing faulty transformer and installation of standby transformer, making necessary HT/LT connections, earth connections and restoration of power supply including all T&P required complete all as specified and as directed.

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point including dismantling old earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in 2.5mm rod gap into the conservator tank / body tank of the transformer / OCB / FRMUs etc at various locations complete all as directed by the Engineer-in-Charge. Make: Apar (Power Oil) / Savita (Transol) / Asian

Filtration of transformer oil of transformers / FRMUs installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

S&F in repair brass spindle / studs for terminal on HT side threaded complete with nut, washers etc of suitable dia for transformer capacity of 100 - 400 KVA complete all as directed by the Engineer-in-Charge.

All as per Sl item No. 61.00 but suitable for 500 to 1000 KVA transformer

S&F in repair brass spindle / studs for terminal on LT side threaded complete with nut, washers etc of suitable dia for transformer capacity of 100 - 400 KVA complete all as directed by the Engineer-in-Charge.

All as per Sl item No. 63.00 but suitable for 500 to 1000 KVA transformer

M&L for replacement of silica gel breather assembly complete suitable for 100 to 400 KVA transformer as per existing with breather unit and silica gel including connecting with proper necessary gaskets if necessary & removing the unserviceable breather assembly complete all as specified and as directed.

All as per Sl item No. 65.00 but suitable for 500 to 1000 KVA transformer

Supply and replacement of silica gel in breather of transformers all as specified and as directed.

Supply only HT bushings made out of porcelain, as per existing and suitable for distribution transformer of capacity 100 to 400 KVA including dismantling old and complete all as specified and as directed. Make:- Pactil / BHEL / Jaipuria Brothers

All as per Sl item No. 68.00 but suitable for 500 to 1000 KVA transformer

Supply only LT bushings made out of porcelain, as per existing and suitable for distribution transformer of capacity 100 to 400 KVA including dismantling old one and complete all as specified and as directed. Make:- Pactil / BHEL / Jaipuria Brothers

All as per Sl item No. 70.00 but suitable for 500 to 1000 KVA transformer

M&L for preparation of old exposed painted surfaces of indoor / outdoor type transformer of capacity 100 to 400 KVA and painting the same with two coats of synthetic enamel paint including writing details of transformer on transformer plinth / base with white synthetic enamel paint on black synthetic enamel paint back ground complete & including one coat of white wash on exposed surface of transfomer plinth / base complete all as specified and as directed. Note :- Colour of paint shall be as decided by Engr-in-Charge. Make:- Jotun India Pvt Ltd / Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd (Borolac) / Shalimar Paints Ltd (Superlac)

All as per Sl item No. 72.00 but 500 to 1000 KVA transformer

M&L for rewinding of distribution transformers of any capacity / size / type by strip opening & rewinding the HV coils (i.e. primary coils) from core assembly safely, removing old defective insulation paper, re-winding the coils with new copper wire as per I.S. of same gauge and existing size together with new insulated materials / bracings before placing in to the transformer and assembling the coil with new DPC insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as directed. Note: M&L for re-insulation of serviceable coils will be measured & paid separately under relevant items.

All as per Sl item No. 74 but for LV coils

S&F in repair gun metal drain valves suitable for transformer of capacity 100 to 1000 KVA complete all as specified and as directed. Make :- Upadhyay / Leader / Zoloto

M&L for Disconnecting HT/LT connections of burnt / defective copper wound transformer of capacity up to 1000KVA, taking down from site of installation, opening up the top cover, draining out transformer oil from transformer in suitable containers (containers to be provided by the contractor) inspection / assess the defective / burnt parts, core assembly of transformer in the presence of Engr-in-Charge and then shifting the transformer to trade / contractor’s workshop for repair, cleaning and making good surface for rewinding and rewinding the same with existing size of new copper conductor, strip wound coils, limb for HT/LT, fixing of class ‘E’ insulation in core assembly etc. including internal cleaning, removing sludge, washing and spray painting with one coat of synthetic enameled paint (existing colour) on outer side after cleaning and removing oil spot from the body and re-assembling, re-installing, commissioning the transformer to its original place and testing at site on full load after connecting the HT/LT connections complete all as directed by Engineer-in-charge. Note :- (i) HT/LT copper coil, transformer oil and other required parts shall be measured and paid separately under respective item of this Sch in supply and fixing. (ii) Unit rate quoted against this item shall be deemed to include cost for T&P / vehicles and minor parts / nut bolts etc. cutting / chipping of RCC / PCC / plastering of foundation / platform and other necessary minor work.

M&L for removing electrical connections of 3 / 4 pole Air circuit breaker of capacity 400 to 1600 Amps, 415 V, 50 HZ of any make L&T / C&S / GE / ABB, strip opening of the ACB, inspecting the parts for serviceability / overhauling complete and carrying out following repairs / maintenance :- a) Cleaning insulation parts including bushings with CTC solution. b) Checking alignment and condition of movable and stationary contacts and adjust them all as per manufacturer's instructional manual. c) Checking the bolts, nuts, washers, cotter pins and all terminal connections are in place and tight, replacing worn-out parts. d) Checking arc chutes for damage and replacing damaged parts. e) Cleaning and lubricating the operating mechanism with light machine oil (SAE-20 or 30) for pins and bearings and with a non-hardening grease for wearing surfaces, adjusting breaker operating mechanism all as per manufacturer's instructional manual, replacing the same if there is excessive wear and tear. f) Checking / inspecting shunt trip coil for serviceability and replacing the same if required. g) Replacing worn or burned contacts, Checking control device free for operation. h) Checking after servicing the circuit breaker to verify the contacts move to the fully opened and fully closed positions, that there is an absence of friction and that the electrical operation is functional. Note : (i) The rate quoted deemed to be inclusive of T&P and minor spares like lubricants, nuts / bolts / washers / pins etc. (ii) Major spares like contacts, shunt trip coil, relays, CTs etc if replaced, shall be measured & paid separately.

S & F in repairs under voltage / trip/closing contact coil / auxiliary contact block make as per OEM suitable for air circuit breakers of capacity 400 to 1600 Amps all as specified and directed.

S & F in repairs Arc chutes (for 415 V) make as per OEM suitable for air circuit breakers of capacity 400 to 1600 Amps all as specified and directed.

S & F in repairs shunt release (110 / 220 V DC or 240 / 415 V AC) make as per OEM suitable for ACB of 400 to 1600 Amps capacity complete all as directed.

S & F in repairs arcing contacts (fixed/ moving) make as per OEM suitable for ACB of 400 to 1600 Amps capacity complete all as directed.

S&F cubical type LT panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC 1:3:6, 150 mm thick (100 mm below & 50 mm above GL) all round the panel board and including necessary earth work. (Contd...)

S&F cubical type LT panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC 1:3:6, 150 mm thick (100 mm below & 50 mm above GL) all round the panel board and including necessary earth work. (Contd...)

M&L for preparation of external surfaces of LT panels indoor/outdoor type by scraping down old dusted paint by steel brush, brooming, rubbing and cleaning including spray painting with two coats of synthetic enamel paint over a coat of red oxide primer as approved and marking feeders by Engineer-in-Charge. Make of paint :- Jotun India Pvt Ltd / Asian Paints / Berger / Jenson & Nicholson Paints Ltd / Shalimar Paints Ltd

M&L for decarburizing / cleaning complete LT 415 Volts 3 phase panel / bus bar chamber with electrical connections, bus bar, cleaning with CTC and ensure proper decarburizing, re-fixing the same after applying becktol Red solution to the bus bar insulator & checking all the connections, tightening the nuts, bolts & thimbles of incoming / outgoing system complete including replacement of defective rusted bolts & nuts all as specified and directed.

M&L for disconnecting electrical connection of defective / burnt out UG LT cable of any size & 2 to 4 core from main switch / DB / Junction box / LT Panels, excavating & taking out the required length of existing cable from loop, cutting the defective portion of old cable termination at end, providing new aluminium thimbles / lugs of suitable size and reconnecting the same with existing location and refilling of cable trench with existing sand and bricks complete all as specified and as directed. Note (i) The cost of required earth work i.e. excavation, returning filling, relaying of sand and bricks and cost of drawing the required length up to loop and the required work to match the existing surface is deemed to be included in the unit rates quoted against this item and nothing extra shall be paid to contractor on this account. (ii) Additional cable/protection pipe required at site if any shall be measured and paid separately.

M&L including replacement of out door panel board canopy door, made out of 2.00 mm thick CRCA sheet, duly power coated with removable door hinges, water proof rubber beading and locking arrangement with SS aldrop & pad lock/ concealed locking arrangement, danger notice boards, mentioning panel details including gas welding for fixing the door complete all as directed. Note:- Unit rate quoted shall be considered to include locking arrangement with SS aldrop & pad lock/ concealed locking arrangement, danger notice boards, etc reqd for one LT panel. Contactor shall quote their rates accordingly.

S&F in repair MCCB 4 pole 400 Amp, breaking capacity 35 kA, Ics = 100% Icu, thermal magnetic release type with adjustable overload setting (0.8-1.0 ln), adjustable short circuit setting (6-10 lr) including necessary modification in the panel complete all as specified and as directed. Make :- L&T / Havells / HPL / Panasonic / Hager / ABB / HPL / Legrand / Indo Asian

All as per Sl item No. 89.00 above but 250 Amp, breaking capacity of 25 KA

All as per Sl item No. 89.00 above but 200 Amp, breaking capacity of 25 KA

All as per Sl item No. 89.00 above but 160 Amp, breaking capacity of 25 KA

All as per Sl item No. 89.00 above but 100 Amp, breaking capacity of 25 KA

M&L straight through joint, heat shrinkable type complete with jointing materials and accessories, suitable for 1.1 KV, 3.5 core XLPE aluminium conductor cable of size 240 Sqmm complete all as specified and directed. Make:- 3M / Denson / Raychem

All as per Sl Item No. 94.00 but suitable for cable of size of 3.5 core 150 to 185 Sqmm

All as per Sl Item No. 94.00 but suitable for cable of size of 3.5 core 90 to 120 Sqmm

All as per Sl Item No. 94.00 but suitable for cable of size of 3.5 core 25 to 70 Sqmm

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