REPAIR/MAINTENANCE OF LT FEEDER PILLAR BOX, APFC (POWER FEEDER) PANEL AND ALLIED WORK AT DRONACHAL BHOPAL

Amount

Excavation in trenches in soft/loose of any type soil not exceeding 1.5m deep and not exceeding 1.5 m wide and getting out complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, back in trenches after cables have been laid and tested,poles, stays , struts have been erected and tested , all as specified and directed at site.

Removing excavated surplus soil (Soft/hard soil) obtained from excavation to a distance not exceeding 50 mtr and deposting where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

Supply and laying sand cushioning for cable protection in trenches 8 cm before laying cable and 15 Cm deep over the cable all as specified. Note:- Depth of sand cushioning shall be measured after punning and leveling properly.

Supply laying bricks old size sub class B bricks common bumt bldg bricks laid in trenches for cable protection compete, all as specified & directed by Engr-in-charge.

M&L for earthing complete with galvanised steel earth plate electrode size 600x600x6.3mm thick burried directly in ground vertically in a pit of depth not less than 2.25 mtr below ground levels with top edge of the earth 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 32X6 mm earth lead by means of bolts, nuts, check nuts and washers of galvanised 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 5 connected to earthing test point all as specified or indicated including testing on completion.NOTES 1. The unit rate includes for protection pipe and GI strip dia from top of earth plate upto 5.00 meter above groung level.

M&L cutting PCC/floor/road and taking out cable and making good, with material as per existing after laying of pipe for cable protection including Cement concrete work in pavement/ hard-standing of flexural strength 40kg/per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or lessall as specified and directed size of trench not more than 0.30 x 0.30 cm.

S&F in replacement of GI Pipe medium grade on wall/floor for cable protection with fixing arrangement size 50mm dia.

Taking out old unserviceable LT under ground cable of any size and rating.

Supply and Laying XLPE heavy duty armoured electric under ground cable aluminum conductor 1100 volts grade in trenches/on pole through sleeves etc. all as specified and directed

Cross sectional area 70 Sqm 3.5 Core.

Cross sectional area 50 Sqm 3.5 Core.

Supply and fixing earth continuity conductor or main earthing lead 32 x 6 mm GI strip laid in pipe/ fixed to poles or any other indicated situation including jointing by using GI nuts, bolts, washer and saddle in addition to welding complete and all as specified and directed.

M&L for outdoor/indoor LT panel board/Capacitor Panels/feeder pillar boxes with welding of front/Back side covers ,necessary hinges, locking system with 300mm long MS sliding door bolt 16mm dia, rubber gasket of appropriate size including proper fixing with nut bolts etc with minor spare parts and spray painting with one coat of synethetic enamel paint outer & innner side with two coat of lime wash on plinth of panel board including connected accessories in any size complete all as specified and directed by Engineer-in-charge all as directed by Engr-in-charge.

Supply and replace MCCB ,4 pole, 50 Hz capacity (thermal adjustable type) all as specified and directed, for following capacity

400 Amps with 35 KA rupturing capacity

250 Amps with 25KA rupturing capacity

200 Amps with 25 KA rupturing capacity

160 Amps with 25 KA rupturing capacity

100 Amps with 16 KA rupturing capacity

Supply and replace MCCB ,3 pole, 50 Hz capacity 16 KA rupturing capacity (thermal adjustable type) all as specified and directed, for following capacity

Trimming/Cuting of bushes and grass of Substations/MES Installations and surrounding of Panel board feeder piller boxes at various location and dumping/staging 50 mtr from existing point all as specified and directed.

Testing of capacitor and taking out old unserviceable capacitor of any capacity form capacitor panel from substations located at Dronachal area all as specified and directed

Supply and fixing long life mixed dielectric capacitors 440V, 3 phase,50Hz confirming to IEC-60831-1 & 2, with over pressure device for disconnection, having low energy losses (≤ 0.2W/KVAR), resistance to high temperature range (- 25°C + 70°C) of following KVAR (including safety cap) with minimum 1 year warranty, including all wiring work for making capacitor functional in all respect complete all as specified and directed for following KVAR :- Make : Neptune Ducati (Model :LL-M capacitor) or equivelant in Mehar/Schinder/Malday.

Taking out old unsv MCB/Multifunctional meter of any size any description and issuing under schedule of credit.

S&F in existing panel, LED multifunction meters for showing parameters, V,A,F,PF,kW,kVA,kVAR,kWh,kVARh,Runhours etc complete all as specified and directed. Make : Neptune model No : M-9 power analyser or equivalent in L&T modelA, RS485 port

S&F in existing panel of MCB TP 40A 10kA complete all as specified and directed.

S&F in existing panel of MCB TP 63A 10kA complete all as specified and directed.

S&F in existing panel of MCB SP 10A 10kA complete all as specified and directed.

Taking out old unsv LED indication lamp on-off switch of any size any description.

S&F in existing panel LED indication lamps(Pilot lamp 22.5mm, metalic) with integral curcuit LED suitable for operating at 200 V AC SP (R/Y/B Phase) complete all as specified and directed.

S&F in existing panel, LED type Start push button, flush illuminated actuator, with integral circuit LED, suitable for operating range 220V AC complete all as specified and directed.

S&F in existing panel,LED type Stop push button, flush illuminated actuator, with integral circuit LED, suitable for operating range 220V AC complete all as specified and directed.

S&F in existing panel, Rotary switch ( Auto-Manual) 3Phase,2KW, 25Amp capacity complete all as specified and directed. Make: L&T/C&S/Legrand

Taking out old unserviceable APFC relay of any size any description complete all as specified and directed.

S&F in existing panel, automatic power factor controller for automatic switching of capacitor of minimum 8 Stages, site programmable (single phase controller) complete all as specified and directed. Make : Neptune (Model :- RM series RM-8 ) or equivalent in legrand

S&F in existing panel, automatic power factor controller for automatic switching of capacitor of minimum 8 Stages, site programmable, (three phase controller) complete all as specified and directed. Make : Neptune (Model :- NAAC 3P series and code No : NAAC-3P-8) or equivalent in legrand

M & L for Calliberation of APFC Relay fixed in existing panel complete all as specified and directed.

Taking out old unsv capacitor duty contactors of any size any description complete all as specified and directed.

S&F in existing panel, capacitor duty contactor 3 pole, AC with auxililiary contacts 1NO + 1NC, 2NC including AC coil with operating voltage 220V complete with all accessories and making all connection including wiring complete all as specified and directed. suitable for following capacity :-

S&F in repair power contractor rating AC1 , 80 Amps to 125 Amps, 415 Volts including fitting in exist panel with electrical connection complete all as per directed by Engr-in-charge. Make : C&S cat part No TC1-D65004 or equivalent in L&T/ Havells/ Indo Asian

S&F in repair change over switch 200 Amps 415 V, AC 23 A 4 pole type CO2- 200 confirming to IEC 60947-3 direct handle version fitting in exist panel with electrical connection complete all as specified and directed.

Supply and replacement of Existing LT panel front/back door with 3.0mm thickness MS sheet powder coating paint including locking arrangement complete all as per directed by Engr-in-charge

Supply and replacement of LT panel busbar in repair as per existing size and PVC shrinkable sleeving with RYB colours for 4 Nos busbar complete all as per directed by Engr-in-charge.

S&F inreplacement current transformer 200/5 ratio 240 Volts complete all as specified and directed.

S&F inreplacement current transformer 400/5 ratio 240 Volts complete all as specified and directed.

Supplying and fixing 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed wire, one twin core cable flat 6 Sqmm complete all as specified and directed.

Repair only automatic transfer switch 250 Amps and replacement of handle and necessary spare parts including testing complete all as specified and directed.

M&L for fixing the name board fabricated with MS Sheet 2mm thick of size 1.5x3 feet and fixed with suitable GI Clamp on 2/4 pole structure including writing the detail of Sub Stn and feeder etc with blue background & white colour Letter as directed by Engr -in Charge.

Supply and installation , testing & commissioning self supporting totally enclosed factory fabricated LT bus bar panel box made out of 3.15mm thick MS sheet with projected globe roof for rain water protection, dust and vermin proof hinged double shutter doors with neorprene rubber gasket , epoxy powder coated including danger plate, earth strip, ventilation louvers , bottam detachable gland plate complete with suitable size zinc chromium plated nuts, bolts, and washers etc outdoor type cubicle panel board suitable for 3 phase 4 wire ,415 volt ,50 HZ and 40 mm x 40 mm x 6 mm angle iron frame, weather proof ventilated with locking arrangement incl of PCC pedestal , comprising the following & including taking down the existing Feeder pillar panel board:-

Aluminium bus- bar 400Amps,supported with suitable size Porcelain standlock with suitable size brass nut, bolts and washers with heat shrinkable colour coded PVC sleeving for 3 phase & neutral . - 01 Set

MCCB with microprocessor release ,4 pole, 250amps ,36 KA, 415 Volts, 50 Hz Adjustable - 01 No

SAMEER ELECTRICAL SUPPLIER

PRADEEP TIWARI CONTRACTOR

ELITE WORKS

SUNIL ENTERPRISE

UMESH ENTERPRISES