REPAIR MAINT OF LT CIRCUIT BREAKERS LT UG CABLE NETWORK AND MISC WORK OF BRAVO POWER HOUSE AND CONNECTED AREA UNDER GE UTILITY AMBALA CANTT

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep in loose/soft soil and getting out for underground cable/erection of poles, stays etc complete al las specified and directed by Engineer-in-Charge.

Description all as per Item Ser No 1.00 above but exceeding 1.5 mtr deep but not exc 3.0mtr deep.

M & L sand cushioning for cable with river washed clean dry sharp sand and punning to provide required cover as per SSR Part I complete all as specified and as directed by Engineer-in-Charge. Note- Punned thickness shall be measured and paid to the contractor.

Supply and laying old size bricks common burnt clay sub class 'B' for cable protection to provide required cover complete all as specified and as directed by Engineer-in-Charge.

Description all as per Item Ser No 4.00 above but except bricks.

M&L PCC 1:4:8 type D-2 (using 40mm graded aggregate, mechanically crushed stone) for mass filling in pole pit and foundation etc including provision of necessary form work to achieve fair finished surfaces complete all as specified and as directed.

M&L PCC 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate) as in pole foundation, coping, stay pits etc including provision of necessary form work to aachieve fair finishes surfaces, complete all as specified and directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick layers complete all as specified and as directed by Engineer-in-Charge.

Removal of excavated material n.exc 50 mtr away and depositing where directed at a level n.exc 1.5 mtr above from starting point complete all as specified and directed by Engineer-in-Charge.

Dismantling and taking down old unserviceable PCC/steel tubular pole any type and any size after disconnecting all electrical connection incl clearance of site complete all as the direction of Engr-in-Charge.

Supply and erection of PCC pole 9.0 mtr long in true vertical position 102x172 mm at top 102x279 mm at bottom class-10 incl providing of two coats of black and white strips with synthetic enamel paint 30 cm high each alternate strip 1.5 mtr above the coping of pole starting with black strip complete all as specified and as directed by Engr-in-charge. Note: Earth work and PCC shall be measured and paid for separately. (ii) Description and matter as specified and directed by Engr-in-Charge will be printed on each pole without any extra cost.

Supplying and erecting ( in true vertical position) steel tubular swaged poles complete with cast iron base plate final taper plug, bolts nuts and screws all as specified of type 410-SP-31 (9.0 mtr length) complete all as specifed in IS 2713 (part-II) 1980 including one coat or red oxide primer and two coats of aluminium paint to exposed surfaces incl providing of two coats of black and white strips with synthetic enamel paint 30 cm high each alternate strip 1.5 mtr above the coping of pole starting with black strip and with black bituminous paint for embedded portion of pole all as specified and directed at site. Note: Earth work and PCC shall be measured and paid for separately. (ii) Description and matter as specified and directed by Engr-in-Charge will be printed on each pole without any extra cost.

Disconnecting & taking out defective underground cable from trenches, pole, pipe, floor, wall etc and locate the fault, rectify the defect and relaying the XLPE cable underground PVC insulated and overall sheathed aluminium conductor heavy duty 1100 volts including connecting and testing for any size complete as directed by Engineer-in-Charge (Excavation/earth work & sand cushioning , bricks and joint shall be measured & paid for separately).

Disconnecting & taking out defective underground cable any size and any type from trenches, pole, pipe, floor, wall etc complete all as directed by Engr-in charge. Note : Excavation and earth work shall be measured and paid separately here in before.

Supply and laying, connecting and testing XLPE underground cable insulated, and overall sheathed with aluminium conductor heavy duty 1100 volts grade 16 sqmm 4.0 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall etc. Note: (i) Earth work, sand, bricks , removing, returning filling Aluminium thimbles/lugs will be paid separately. (ii) Cost of laying electrical cable through new/existing pipe under road, buildings, railway tracks, highways are incl in the quoted rates. (iii) All equipments , machinery or tools if required for laying electrical cable through new/existing pipes are provided by the contractor without any extra cost.

Description all as per Item Ser No. 15.00 here in before but for 25 Sqmm 3.5 core .

Description all as per Item Ser No. 15.00 here in before but for 35 Sqmm 3.5 core.

Description all as per Item Ser No. 15.00 here in before but for 50 Sqmm 3.5 core.

Description all as per Item Ser No. 15.00 here in before but for 95 Sqmm 3.5 core.

Description all as per Item Ser No. 15.00 here in before but for 150 Sqmm 3.5 core.

Description all as per Item Ser No. 15.00 here in before but for 185 Sqmm 3.5 core.

Supply and fix in repair stay assembly complete with all accessories, such as stay plate 230X230X6 mm, stay rod 215 cm long and 16 mm dia with nuts incl GI bow turn buckle, GI stay wire, Loop type insulator etc. all as per electrical plate No 1 of SSR part 1 and as directed . Note: Loop type insulators, stay clamp, stay wire, excavation and PCC work will be measured and paid separately.

M & L in replacement cross arms, bracings, 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 shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as directed by Engr-in charge.

S & F in replacement shackle type porcelain vitreous white or brown insulator including GI straps, washers, insulator bolts and nuts for working pressure 1100 volts, 75 mm height, 90 mm dia, section of strap 30mmx3mm & dia of bolt 12 mm complete all as specified and as directed by Engineer-in-Charge. Make:- Jaipuria / Hitkari / Southern Insulators.

S & F in replacement pin type insulator porcelain vitreous white or brown 1100 volts grade 100 mm height and 65 mm dia with GI spindle two GI washer and one GI nut complete all as specified and as directed by Engineer-in-Charge. Make:- Jaipuria / Hitkari / Southern Insulators.

Dismantling and taking down old unserviceable ACSR conductor incl cutting, welding complete all as specified and directed by Engr-In-Charge.

M&L aluminium conductor steel reinforced (ACSR) including fixing, stretching on poles and proper noseling with binding wire with insulator of any size as required at site complete all as specified and as directed by Engineer-in-Charge.

M&L in replacement for 1100 volts grade heavy duty cable PVC insulated stranded aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4 mm GI suspension wire, one twin core cable flat or circular of size 10 sqmm 2 core complete all as directed by Engr-in Charge.

Dismantling and taking down old unserviceable earthing and Material & labour new earthing complete with galvanized steel earth electrode plate of size 60x60x6mm thick buried directly in ground/earth pit not less than 2.25 mtr deep below normal ground level and top edge of earth electrode not less than 1.5 mtr below normal ground level and connected with GI earth strip of size 25x4mm by means of nut, bolts, washers etc to eqpt/machinery all as shown in electric plate No 3 of SSR Pt I including PCC (1:3:6) pit, pit cover 50mm thick RCC 1:2:4 type B-1 using 8mm tor steel bars @10cm C/C both ways, 40mm bore medium grade GI protection pipe, watering pipe 20mm bore medium grade, funnel, wire mesh, also including earth work, common salt, charcoal dust complete all as specified and as directed by Engineer-in-Charge.

Dismantling and taking down old unserviceable earthing and Material & labour new earthing complete with galvanized steel earth electrode plate of size 60x60x6mm thick buried directly in ground/earth pit not less than 2.25 mtr deep below normal ground level and top edge of earth electrode not less than 1.5 mtr below normal ground level and connected with GI earth wire of size 4 mm by means of nut, bolts, washers etc to eqpt/machinery all as shown in electric plate No 3 of SSR Pt I including PCC (1:3:6) pit, pit cover 50mm thick RCC 1:2:4 type B-1 using 8mm tor steel bars @10cm C/C both ways, 20 mm bore medium grade GI protection pipe, watering pipe 20mm bore medium grade, funnel, wire mesh, also including earth work, common salt, charcoal dust complete all as specified and as directed by Engineer-in-Charge.

S & F in replacement GI tubing 80 mm bore light grade, on poles,on walls, under floors, road crossing, as required at site complete all as directed by Engr-in Charge.

Description all as per Item Ser No 31.00 above but 50 mm dia.

Supply and Fix in replacement MCCB TPN 400 Amps , 415 Volts, 50 KA ,4 Pole, Ics=100% Icu ,overload adjustable short circuit adjustable type incl complete connection all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement MCCB TPN 250 Amps , 415 Volts, 40 KA ,4 Pole, Ics=100% Icu , overload adjustable short circuit adjustable type incl complete connection all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement MCCB TPN 160 Amps , 415 Volts, 25 KA ,4 Pole, Ics=100% Icu , overload adjustable short circuit fixed type incl complete connection all as specified and directed by Engr-in-Charge.

Supply and Fix in replacement MCCB TPN 100 Amps , 415 Volts, 16/18 KA ,4 Pole, Ics=100% Icu , overload adjustable short circuit fixed type incl complete connection all as specified and directed by Engr-in-Charge.

Supply and fix in repair LT line separators 1100 V grade PVC spacer to separate LT conductor from each other 5 line as per IS complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair LT line separators 1100 V grade PVC spacer to separate LT conductor from each other 4 line as per IS complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair LT line separators 1100 V grade PVC spacer to separate LT conductor from each other 3 line as per IS complete all as specified and directed by Engr-in-Charge.

Removing LT/HT over head conductor from insulator wherever required and restretching the same without any kink/bend upto permissible sag, binding it on insulators by means of binding wire including fixing the line separator at 2 to 3 places where required and directed by Engr-in-Charge including testing of OH line after completion of above work all as specified as directed. Note : (i) Four runs of LT overhead conductor for phase and one run of conductor for neutral shall be measured and paid as one length. (ii) Line separator shall be measure and paid separately under respective item of schedule.

Material and labour fixing aluminium terminals (thimbles) in 1100 volt LT XLPE cable upto size 50 sqmm incl dismantling old thimbles of any type.

Material and labour fixing aluminium terminals (thimbles) in 1100 volt LT XLPE cable upto size 70-185 sqmm incl dismantling old thimbles of any type.

Material and labour fixing aluminium terminals (thimbles) in 1100 volt LT XLPE cable upto size 240-400 sqmm incl dismantling old thimbles of any type.

Material and labour shifting heavy items / excavating / cleaning areas / clearing site by providing crane/hydra/excavators/tractors/trolley etc as required at site complete, all as specified and as directed.

Material & Labour preparation of old surface and cleaning of steel tubular poles LT 9 mtrs long including removing rusted particles and painting with one coat of aluminium paint including cross arms, bracing, supports, clamps, eye hooks, security light bracket, clamp etc and providing black & white strips alternatively 30cm in hieght each 1.5 mtr from coping and starting with black strip using synthetic enamel paints with two coats incl repairing damaged portion of PCC coping and painting on coping with two coats of cement base white paint complete all as specified and directed. Note: (i) The quoted rate shall be deemed to be included marking of numbers on each LT pole as specified and directed by Engr-in-Charge. (ii) The quoted rates shall be deemed to be included the repairing of coping with cement / PCC.

Material & Labour one coat cement base paint on PCC pole 9 mtr long including black & white strips alternatively 30cm each from coping upto 1.5 mtr height starting with black strip using synthetic enamel paint including painting with one coat of aluminium paint on cross arms, bracing, supports, clamps, eye hooks, security light bracket, clamp etc incl repairing damaged portion of coping and painting on coping with one coat of cement base white paint complete all as directed. Note: (i) The quoted rate shall be deemed to be included marking of numbers on each LT pole as specified and directed by Engr-in-Charge. (ii) The quoted rates shall be deemed to be included the repairing of coping with cement / PCC.

M&L Chemical spray (DC> 2-26 having container 415ml/300g for precision blended multipurpose product for prevents corrosion penetrates, lubricates, displaces and seals out moisture release rusted mechanism cleanse etc complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement heat shrinkable type straight through cable jointing kit 1100 Volts grade ,for XLPE/PVC cable of size 3.5x185 to 400 Sqmm all as specified.

Supply and fix in replacement heat shrinkable type straight through cable jointing kit 1100 Volts grade ,for XLPE/PVC cable of size 3.5/4.0x25-50Sqmm all as specified.

Supply and fix in replacement heat shrinkable type straight through cable jointing kit 1100 Volts grade ,for XLPE/PVC cable of size 3.5x70-150Sqmm all as specified.

Supply and fix in replacement indoor/outdoor end termination cable jointing kit heat shrinkable type 1100 Volts grade ,for XLPE/PVC cable of size 3.5/4.0x10Sqmm to 50Sqmm all as specified.

Supply and fix in replacement indoor/outdoor end termination cable jointing kit heat shrinkable type 1100 Volts grade ,for XLPE/PVC cable of size 3.5x70-150Sqmm all as specified.

Supply and fix in replacement indoor/outdoor end termination cable jointing kit heat shrinkable type 1100 Volts grade ,for XLPE/PVC cable of size 3.5x185 to 300Sqmm all as specified.

Supply and fix in replacement indoor/outdoor end termination cable jointing kit heat shrinkable type 1100 Volts grade ,for XLPE/PVC cable of size 3.5x400Sqmm all as specified.

Supply and fix in repair Earth continuity strip or main earthing lead fixed 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 25x4 mm GI strip complete all as directed by Engr-in-Charge.

M & L spraying chemical (Round up) on area to remove unwanted vegitation/grass at various locations as directed by Engr-in-Charge

Supply and fixing in repair ON LOAD change over switch with Sheet Steel Enclosure 415 V, 4 pole, 100 Amps capacity fixed on walls for electric supply distribution between main and DG set incl necessary connection of cables from LT panels to change over switches complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repair ON LOAD change over switch with Sheet Steel Enclosure 415 V, 4 pole, 200 Amps capacity fixed on walls for electric supply distribution between main and DG set incl necessary connection of cables from LT panels to change over switches complete all as specified and directed by Engr-in-Charge.

Supply and fixing in repair ON LOAD change over switch with Sheet Steel Enclosure 415 V, 4 pole, 315 Amps capacity fixed on walls for electric supply distribution between main and DG set incl necessary connection of cables from LT panels to change over switches complete all as specified and directed by Engr-in-Charge.

Taking out of Old ACB and Supply and fixing LT Air Circuit Breaker, 4 pole, manual drawout type, 415 volt with microprocessor release IPRE, 630 Amp, Icu=Ics=Icw (1s)=50 KA, neutral overload protection , inbuilt temp protection upto 90 degree Celcious, rotatable terminals for horizontal/vertical orientation, fast operation and fixing the same in existing panel board including necessary modification with angle iron and plain sheet all as directed.

Taking out of Old ACB and Supply and fixing LT Air Circuit Breaker, 4 pole, manual drawout type, 415 volt with microprocessor release IPRE, 800 Amp, Icu=Ics=Icw (1s)=50 KA, neutral overload protection , inbuilt temp protection upto 90 degree Celcious, rotatable terminals for horizontal/vertical orientation, fast operation and fixing the same in existing panel board including necessary modification with angle iron and plain sheet all as directed.

Taking out of Old ACB and Supply and fixing LT Air Circuit Breaker, 4 pole, manual drawout type, 415 volt with microprocessor release IPRE, 1000 Amp, Icu=Ics=Icw (1s)=50 KA, neutral overload protection , inbuilt temp protection upto 90 degree Celcious, rotatable terminals for horizontal/vertical orientation, fast operation and fixing the same in existing panel board including necessary modification with angle iron and plain sheet all as directed.

Material and labour in repair Isolating LT ACBs 630-1000 Amps capacity and testing its operation, tripping devices , mechanical system , setting the ACBs, right clearing, servicing and recharging complete unit. The Make of existing ACBs are Legrand, Crompton, Schenider , Havells. ( Note : Provision of new spare parts as required shall be measured and paid separately.)

Suplly only accessories / spares for Air Circuit Breaker 630 - 1000 Amps rating of Make : Crompton Greaves , pulsar series)

a) On/Off Button ACB

b) Spring Charge Indicator ACB

c) Trip indication switch

d) Under voltage release

e) Electronic protection Units

f) Real terminals flat connections with bar

g) Shunt Trip/Closing Coil (415V)

h) Earth fault relay 3 phase 3 wire

j) Aux contact block 3 No 3 NC

k) Micro switch for unserviceable trip indication

l) Phase barrier 3 P

m) Mechanical Interlock

n) Fixed Arcing contact 3P

o) Moving Arcing contact 3P

Supply and fix in replacement MS clamps made of flat iron of size 25X3mm including nut bolts for fixing GI pipe to poles complete all as specified and directed.

Note :- Amount of credit of Rs. 88980.00 for retrieved materials is mentioned in Schedule of Credit mentioned in tender documents in pdf form which will be deducted offline while acceptance of tender.

Esha Engineers

R D Bansal