REPAIR/ MAINT VCBs, RMUs, GODs, LIGHTENING ARRESTER AND CONNECTED WORKS FOR 11 KV AT ROORKEE AND PURKAZI UNDER GE (MES) ROORKEE

Amount

M & L for Shut down, isolation, and safety precautions for 11 kV panel, tagging & earthing before work Servicing of 11 kV VCB, opening breaker, inspection of moving & fixed contacts, checking wear level, cleaning & lubrication of mechanism and overhauling of mechanism assembly ,dismantling, greasing, replacing worn-out springs, checking linkages, alignment, Cleaning of breaker & panel interior with electrical-grade chemical cleaning agents to remove dust, carbon, and moisture, Tightening of all control wiring & busbar connections with torque wrench as per manufacturer’s specifications, Testing & functional checks for breaker closing/opening, trip coil operation, interlock verification and cleaning, reassembly & commissioning of VCB and panel including consumables i.e leaning chemicals, lint-free cloth, lubricants, minor fasteners complete conduct timing test, CRM test, insulation resistence test of VCB,primary injection test, Calibaration and adjustment of vaccum circuit braker alongwith spray painting of VCB Panel all as specified, the test report shall be pasted on VCB with mention all perameter i.e. setting time, date, etc as directed by Engr-in-Charge. Note-:(i) The cost of spare part will be paid separetley. (ii) work to be carried out by qualified personael to ensure safe and reliable operation. Preventing maint/servicing and calibaration of VCB will be carried out by any equipment manufacture/certified firm and work to be carried out as per standrded and relevent IS/IEC guidelines complete with test report submission in all respect. All test perameter service and report shall be submitted by contractor.Date of calibration along with triping timing will be attached on concern VCB duly signed by Testing Officer and Eng-in-charge.

S & F in replacement of Digital protective relays comprising of 3 Phase, over current plus earth fault relay with high and low set operational with 24 volt to 110 volts AC / DC campatiable to existing VCB complete wiring with suitable size wire as per existing and fixing arrangement complete as secified and directed.

S&F as in replacement Digital protective relays comprising of under / high voltage relay with with high set operational with 24 volt to 110 volts AC / DC campatible to existing VCB including complete wiring with suitable size wire as per existing and fixing arrangement complete as secified and directed.

M&L in replacement of triping/ closing coils suitalbe for 11KV VCB.

M&L in replacement of Rectifier for motor circuit of 11KV VCB.

M&L in replacement of U/S spring charging motor with gear single phase AC supply suitable for 11 KV VCB

S & F in replacement of epoxy resin spouts bushing for VCB complete all as specified and as directed

S & F in replacement of heater 100 watt or as per existing type in VCB complete all as specified and as directed

S & F in replacement Indicator lamp with and including holder & cover to show all the three phase i.e RYB to be mounted on 11 KV HT switch gear complete all as specified and as directed.

Supply & Fixing in replacement of digital volt meter for 11 KV flush mounted class - 1.0, size as per old complete

S&F in replacement of digital Amps meter mounted flush mounted class - 1.0, size as per complete

S&F in replacement of digital Multimeter for 11 KV mounted flush mounted class - 1.0, size as per complete

S&F in replacement of hooter in existing remote panel complete

S&F in replacement single vaccum interrupter for 11 KV VCB 50Hz 630 A compatiable to existing 220-320 V automatic type complete

Material and labour for servicing and calibration Ring Main Unit (RMU) make ABB at site any type 2 way , including preparation and safety measures such as isolation from the system, earthing of feeders, display of safety signage; visual inspection for physical damage, corrosion, loose connections, and insulation condition; cleaning of the RMU externally with a lint-free cloth and suitable cleaning agents, and internally using a vacuum or dry air; checking and tightening of all mechanical fasteners, earthing, and electrical terminations functional operation check of load break switch, isolators, earthing switch, and interlocks, with lubrication if required; measurement and recording of SF₆ gas pressure in each compartment and topping up with high-purity SF₆ gas if required; secondary injection testing of protection relays with verification of trip times and settings; primary injection testing for breaker/trip unit calibration; CT and PT testing for insulation resistance, polarity, and ratio; insulation resistance testing of busbars, cables, and control wiring with a suitable size megger; verification of all mechanical and electrical interlocks; functional testing of control circuits, lamps, switches, and indications alongwith spray painting of panels, calibration and adjustment of relays as per the approved protection coordination scheme; and submission of the final service report with test results, gas logs, calibration records, and service certificate. All works shall be carried out as per IS standard, OEM recommendations, and relevant safety standards using calibrated instruments

Material and labour for servicing and calibration Ring Main Unit (RMU) make ABB at site any type 3 way , including preparation and safety measures such as isolation from the system, earthing of feeders, display of safety signage; visual inspection for physical damage, corrosion, loose connections, and insulation condition; cleaning of the RMU externally with a lint-free cloth and suitable cleaning agents, and internally using a vacuum or dry air; checking and tightening of all mechanical fasteners, earthing, and electrical terminations functional operation check of load break switch, isolators, earthing switch, and interlocks, with lubrication if required; measurement and recording of SF₆ gas pressure in each compartment and topping up with high-purity SF₆ gas if required; secondary injection testing of protection relays with verification of trip times and settings; primary injection testing for breaker/trip unit calibration; CT and PT testing for insulation resistance, polarity, and ratio; insulation resistance testing of busbars, cables, and control wiring with a 5 kV megger; verification of all mechanical and electrical interlocks; functional testing of control circuits, lamps, switches, and indications; alongwith painting of panels,calibration and adjustment of relays as per the approved protection coordination scheme; and submission of the final service report with test results, gas logs, calibration records, and service certificate. All works shall be carried out as per ABB service manual, OEM recommendations, and relevant safety standards using calibrated instruments

Material and labour for servicing and calibration Ring Main Unit (RMU) make ABB at site any type 4 way , including preparation and safety measures such as isolation from the system, earthing of feeders, display of safety signage; visual inspection for physical damage, corrosion, loose connections, and insulation condition; cleaning of the RMU externally with a lint-free cloth and suitable cleaning agents, and internally using a vacuum or dry air; checking and tightening of all mechanical fasteners, earthing, and electrical terminations functional operation check of load break switch, isolators, earthing switch, and interlocks, with lubrication if required; measurement and recording of SF₆ gas pressure in each compartment and topping up with high-purity SF₆ gas if required; secondary injection testing of protection relays with verification of trip times and settings; primary injection testing for breaker/trip unit calibration; CT and PT testing for insulation resistance, polarity, and ratio; insulation resistance testing of busbars, cables, and control wiring with a 5 kV megger; verification of all mechanical and electrical interlocks; functional testing of control circuits, lamps, switches, and indications;along with painting of panel, calibration and adjustment of relays as per the approved protection coordination scheme; and submission of the final service report with test results, gas logs, calibration records, and service certificate. All works shall be carried out as per ABB service manual, OEM recommendations, and relevant safety standards using calibrated instruments Note-:(i) The cost of spare part will be paid separetley. (ii) work to be carried out by qualified personael to ensure safe and reliable operation. Preventing maint/servicing and calibaration of RMUs will be carried out by any equipment manufacture/certified firm and work to be carried out as per standrded and relevent IS/IEC guidelines complete with test report submission in all respect. All test perameter service and report shall be submitted by contractor,Date of calibration along with triping timing will be attached on concern VCB duly signed by Testing Officer and Eng-in-charge.

M & L in replacement of U/S Trip coil 11 KV RMU suitable for existing complete all as specified.

S&F HT bushing of RMU suitable for existing complete all as specified.

S&F as in replacement of HV backup fuse link, CEF cap iN 16Amp i3 55 A, UN 12Kv i163 A, Striker 60N in SF6 RMU Make ABB cat part No IYMB631036M0003, complete all as spd and as directed. (set of Three)

S&F as in replacement of HV backup fuse link, CEF cap iN 25Amp i3 55 A, UN 12Kv i163 A, Striker 60N in SF6 RMU Make ABB cat part No IYMB5301035M0004, complete all as spd and as directed. (set of Three)

S&F as in replacement of HV backup fuse link, CEF cap iN 40Amp i3 55 A, UN 12Kv i163 A, Striker 60N in SF6 RMU Make ABB cat part No IYMB5301035M0005, complete all as spd and as directed. (set of Three)

S & F in replacement Push button for trip and hold of 11 KV 400 A RMU/ VCB complete all as specified and as directed.

S & F in replacement Bakelite kitkat with 10 A HRC fuse type NS complete all as specified and as directed.

S & F in replacement Terminal protector Boots suitable for 11 KV RMU (Right angle cable boot) complete with disconnecting the end terminals from RMU and re-fix to its original positation complete all as specified and directed. (Set of three)

M&L for earthing complete with galvanised steel earth plate electrode size 600 x 600 x 6mm thick burried directly in ground vertically in a pit of depth not less than 2.25 mtr belwo ground levels with top edge of the earh plate not less than 1.5 mtr below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanised iron strip 32x6mm earth lead by means of bolts, nuts, check nuts and washers of galvanised steel all as shown in electric plate No. of SSR Part-I connected to continuous earth wire on main switch board all as specifed or indicated and testing on completion including provision of earth strip protection with 40 mm dia medium grade pipe complete all as specified and directed.

Supply and fix vertical type air break gang operated tripple pole, mechanically operated, outdoor type with all fittings, accessories, mounted on and including HT 11 KV porcelain insulators 09 Nos and steel channel frame GI Operating rod 25 mm dia of suitable length worked from ground including locking arrangements, with 7 livers Naval brass lock, suitable current rating complete.(set of three)

Servicing of two & four pole, structure complete including replacement of unserviceable jumper, sleeve vice type connector GI PG clamps 'T' connector run through clamps, bolts nuts, washer connecting lugs/thimbles knife contacts applying petroleum jelly to the moving contact as well fixed contacts, tightening all the connection for its smooth functioning and aluminium painting complete all finishing as directed at site by Engineer-in-charge. Note :- No extra payment will be made for the spares required to keep the two & four pole structure in satisfactory functioning throughout contract period other than given in schedule complete all as specified and directed..

M&L for mild steel chequered plate 6 mm thick including cutting fabricated cold or hot welding at site drilling holes nuts - bolt and washers etc including angle iron 25 mm x 25 mm x 3 mm thick for mounting of MS sheet cover dully painted with black bituminous paint over one coat of red oxide primer and as directed. including breaking of existing duct for grouting of angle iron, and making good PCC of the existing duct at water supply installation complete all as specified and directed.

M & L for cement concrete 1 :3 :6 type C-2 using 40 mm graded aggregate as in foundation incl necessary form work all as specified for PCC flooring at 33 KV yard.

Dismentaling of old steel tubular pole LT/HT after excavation of PCC and disconecting of cross arm and insulators,and shifting it to new location or transporting the same to store as required on site including all ACSR conductor any size/ cross arm/insulators connections including PCC work with ratio 1:3:6 and coping and testing of overhead line complete all as specified and directeded.

M & L for Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square complete all as specified and directed.

S&F in replacement of unserviceable lightning arrestors with new 11 KV Lightning arrestors explusion type complete with all fittings and necessary connection,transmission class, discharge capcity 65 kilo amps complete all as specified. (Set of three)

M & L in replacement of unserviceable cross arms with new cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed including removing of existing any type of conductor a coat of red oxide primer one underand & one finishing coat complete all as specified and directed.

Supply and fixing danger notice plate of 1.6mm thick MS sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size, for HT, 25x20 cm size

S&F cable jointing kit 11 KV (earthed) grade cable for straight through termination (Heat shrinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 - 185sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for indoor Terminal with long sleeves (Heat shinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for Out door Termination (heat shrinkable) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified and directed.

In replacement of old unservicebale HT underground cable with supply, laying & testing HT XLPE cable insulated screened PVC bedded, galvanized steel strip armored, electric power cables (heavy duty) with stranded aluminum conductor, 11000 volts grade, of size 150 Sqmm 3 core complete all as specified and directed by EIC at Site.

Excavation in trenches in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for laying of pipes and for poles/stay and struts not exceeding 10 Sqm on plan and getting out, excavated earth, forming bottom surfaces to required level complete all as specified.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick in soft/loose soil complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 meter and depositing where directed at a level not exc. 1.5 meter above the starting point complete all as specified and directed.

Supply and laying sand river for cushioning with layers of sand 8 cm before lying of cable and 15 cm after lying of cable (total 23 cm) in trenches complete all as specified & directed. (Note: Thickness after punning shall be measured for payment )

Supply and laying unreinforced precast concrete cable cover, class HVP, type- 1 with peak, size 300mmx180mmx40mm laid flat adjacent and abutting to each other across the length of cable laid dry complete all as specified & directed by Engr-in-charge.

M & L for Cutting through existing bituminous road /PCC/floor/approx size width 50cm X 60cm depth along cross section of the road for laying of GI tubing/RCC pipe for encasing of UG cable and repairing the road to match with the original finish by PCC 1:3:6 type C-2 using 40mm graded aggrigate complete all as specified.

Taking down old rusted galvanized iron pipe and S & F GI pipe 100 mm bore light grade in trenches / road / nallah or fixed along wall/ pole including mild steel clamps, screws etc, complete all as specified and directed.

NITHYA INFRATECH (BID ID -3466054)