REPAIRS OF LT PANELS, BUS BAR, EARTHING AND OTHER SAFETY ITEMS OF ELECTRICAL INSTALLATION AND CONNECTED WORKS AT MIL STN KOTA

Amount

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth or n exc 10 Sqm on plan and n exc 1.5 m in depth & getting out, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes or for laying underground cable, pipe lines etc. in soft/ loose soil, complete all as specified & directed.

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

Removing excavated material (soil) n exc. 50m distance and depositing where directed at a level n exc. 1.5 m above the starting point, complete all as specified and directed.

Cutting of road / hardstanding 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 or with PCC 1:2:4 type B1 complete all as specified and directed.

M&L dry clean sand cushioning to PVC under ground cable with screened and washed sand and punning to provide a required cover complete all as specified and directed. Note:- Thickness after punning shall be considered for payment.

M&L for pulverized fuel Ash-lime bricks (Fly ash bricks - non modular size), class 10, laid dry and flat adjoining each other over sand cushion in trenches as protection to UG cable, complete all as specified and directed.

S&F in renewal of 40 mm bore Steel water tubing, light grade, galvanised, with all fitting, laid in trenches/fixed to walls/poles etc as protection to cables, with and including necessary MS clamps, nuts botls, washers etc required for fixing, complete all as specified and directed.

S&F in renewal of 50 mm bore Steel water tubing, light grade, galvanised, with all fitting, laid in trenches/fixed to walls/poles etc as protection to cables, with and including necessary MS clamps, nuts botls, washers etc required for fixing, complete all as specified and directed.

S&F in renewal of 80 mm bore Steel water tubing, light grade, galvanised, with all fitting, laid in trenches/fixed to walls/poles etc as protection to cables, with and including necessary MS clamps, nuts botls, washers etc required for fixing, complete all as specified and directed.

S&F in renewal of outdoor bus bar chamber, 4 pole, factory made using CRCA sheet of 3.15 mm thickness with indication lamps (RYB) and epoxy powder coated with locking arrangements, comprising of 4 Nos aluminium strip bus bars 450mm long, air insulated and PVC sheathed capacity 400 Amps rating with colour coding and mounted on porcelain insulators housed in a box of size 800x600x250 mm, including connection with LT cable with appropriate lugs, complete all as specified and directed.

S&F in renewal of aluminium lugs, properly crimping and taping different colours, complete all as specified and dircted for the following size of cables: - 185 Sqmm

Supplying, laying, jointing, testing and commisioning XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 1100 Volt grade (ISI marked), laid in trenches / ducts / encased in GI pipe / fixed to pole/wall with necessary angle iron support, clamp, nut , bolts etc and including taking down old unserviceable existing XLPE LT UG cables complete all as specified and directed for following cross sectional areas of cables :- Cross Sectional area of cable 185 Sqmm, 3.5 core

Cross Sectional area of cable 150 Sqmm, 3.5 core

Cross Sectional area of cable 95 Sqmm, 3.5 core

Cross Sectional area of cable 70 Sqmm, 3.5 core

Cross Sectional area of cable 50 Sqmm, 3.5 core

Cross Sectional area of cable 25 Sqmm, 3.5 core Notes for Srl item Nos. 12 & 12.10 to 12.50 :- (i) Excavation, earth work, sand cushioning, cable protection cover & GI pipes shall be measured and paid for separately under respective items of BOQ. (ii) Rate deemed to be inclusive of connecting up with control gear including cable glands and cable lugs.

Disconnection of power supply from existing LT Panel of any type, disconnection of earth strips, cutting of the foundation angles/channels, removing of the panel from the site, MS iron form work for raising the height of the panel upto the height as directed by the Engineer-in-Charge, including painting of LT panel complete with inner & outer with two coats of synthetic enamelled paint using spray painting machine, re-installation of panel, including repair to foundation of panel, restoration of power supply, including necessary excavation & earth work required for taking out & re-fixing the incoming and out going cables etc, complete all specified and directed. Note :- The MS form work shall be measured and paid separately under appropriate items of BOQ.

M & L for framed brackets of angles or tees with web and flanges cut to shape, drilled and counter sunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. not exc 10 Kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel'), complete all specified and directed.

S & F in renewal of heat shrinkable type, outdoor type, cable end termination jointing kits suitable for 1.1 KV XLPE/PVC insulated for cables complete all specified and directed of following sizes :-

S & F in renewal of heat shrinkable type, outdoor type, cable straight through jointing kits suitable for 1.1 KV XLPE/PVC insulated for cables complete all specified and directed of following sizes :-

M & L in renewal of MDVL capacitor for APFC Panel complete all specified and directed of following capacities :-

S & F in renewal of existing contactor 3 phase, 440 Volts for APFC Panel complete all specified and directed of following capacities :-

Capacitor duty power contactor for APFC Panel of 10 KVAR

Capacitor duty power contactor for APFC Panel of 15 KVAR

Capacitor duty power contactor for APFC Panel of 20 KVAR

M & L for danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled 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 LT, 20x15cm size complete all specified and directed

Item 20.00 Contd........ (B) OUTGOING :- (a) MCCB, 4 pole, 415 volts, 50 Hz, AC, 160 Amp rating with rupturing capacity 25 KA adjustable thermal and adjustable magnetic setting mounted on din rail including connection from main bus bar to MCCB with aluminium busbar strips of suitable current ratings – 05 Nos. (b) MCCB, 4 pole, 415 volts, 50 Hz, AC, 63 Amp rating with rupturing capacity 16 KA adjustable thermal and adjustable magnetic setting - 01 No Note :- (i) Necessary approval of drawings of LT feeder Pillars shall be approved by GE before placing order by the Contractor. (ii) Cost of above aspects is deemed to be included in quoted rates.

Item 21.00 Contd........ (B) OUTGOING :- (a) MCCB, 4 pole, 415 volts, 50 Hz, AC, 63 Amp rating with rupturing capacity 16 KA adjustable thermal and adjustable magnetic setting mounted on din rail including connection from main bus bar to MCCB with aluminium busbar strips of suitable current ratings – 06 Nos. (b) MCB, TPN, 415 V, AC, 32 Amp, breaking cap 10 KA– 01 No. Note :- (i) Necessary approval of drawings of LT feeder Pillars shall be approved by GE before placing order by the Contractor. (ii) Cost of above aspects is deemed to be included in quoted rates.

Item 22.00 Contd........ (B) OUTGOING :- (a) MCCB, 4 pole, 415 volts, 50 Hz, AC, 250 Amp rating with rupturing capacity 36 KA adjustable thermal and adjustable magnetic setting mounted on din rail including connection from main bus bar to MCCB with aluminium busbar strips of suitable current ratings – 01 Nos. (b) MCCB, 4 pole, 415 volts, 50 Hz, AC, 100 Amp rating with rupturing capacity 25 KA adjustable thermal and adjustable magnetic setting - 02 Nos. (c) MCCB, 4 pole, 415 volts, 50 Hz, AC, 63 Amp rating with rupturing capacity 16 KA adjustable thermal and adjustable magnetic setting - 02 Nos. (d) MCB, TPN, 415 V, AC, 32 Amp, breaking cap 10 KA– 02 Nos. Note :- (i) Necessary approval of drawings of LT feeder Pillars shall be approved by GE before placing order by the Contractor. (ii) Cost of above aspects is deemed to be included in quoted rates.

Item 23.00 Contd........ (B) OUTGOING :- (a) MCCB, 4 pole, 415 volts, 50 Hz, AC, 100 Amp rating with rupturing capacity 25 KA adjustable thermal and adjustable magnetic setting mounted on din rail including connection from main bus bar to MCCB with aluminium busbar strips of suitable current ratings – 02 Nos. (b) MCCB, 4 pole, 415 volts, 50 Hz, AC, 63 Amp rating with rupturing capacity 16 KA adjustable thermal and adjustable magnetic setting - 03 Nos. (d) MCB, TPN, 415 V, AC, 32 Amp, breaking cap 10 KA– 02 Nos. Note :- (i) Necessary approval of drawings of LT feeder Pillars shall be approved by GE before placing order by the Contractor. (ii) Cost of above aspects is deemed to be included in quoted rates.

Disconnection of electric connection from existing LT Panel/LT feeder pillars panel of any size, dressing of cable ends including repair of body of LT panel, repair/welding work of gates, hinges of the door including rewiring by copper conductor control cables of suitable size, renewal of burnt out aluminium lugs and fixing with new lugs, nuts bolts etc, replacment of unserviceable accessories/components of LT Panel such as MCCB, voltmeter, ameter, indicator lamp etc including painting of LT panel complete with inner & outer with two coats of synthetic enamelled paint using spray painting machine, including necessary excavation & earth work required for taking out & re-fixing the incoming and out going cables etc, complete all specified and directed. Note :- Renewal of unserviceable accessories/components like MCCBs, Bus bar, Volt meter, Ameter & Indicator lamp etc shall be measured and paid separately under appropriate items as supply only. However cost of fixing the same shall be deemed included in the unit rates of this item.

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Renewal of following unserviceable accessories/components of LT panel /LT feeder pillars panel (Compatible for BOQ serial item No 24.00 here-in-before), complete all as specified and directed: - Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 630 Amp rating with rupturing capacity 50 KA, adjustable thermal and adjustable magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 400 Amp rating with rupturing capacity 35/36 KA, adjustable thermal and adjustable magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 250 Amp rating with rupturing capacity 36 KA, adjustable thermal and adjustable magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 200 Amp rating with rupturing capacity 36 KA, adjustable thermal and adjustable magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 160 Amp rating with rupturing capacity 36 KA, adjustable thermal and adjustable magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 100 Amp rating with rupturing capacity 25 KA, fixed thermal and fixed magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only MCCB, 4 pole, 415 volts, 50 Hz, AC, 63 Amp rating with rupturing capacity 16 KA, fixed thermal and fixed magnetic setting, confirming to IEC: 60947-II /IS - 13947-II, complete all as specified and directed.

Supply only aluminium bus bar of 600 amps rating with colour code & porcelain insulator suitable for 3 phase 4 wire system of length not less than 1.0 m, complete all as directed.

Supply only aluminium bus bar of 400 amps rating with colour code & porcelain insulator suitable for 3 phase 4 wire system of length not less than 1.0 m, complete all as directed.

Supply only phase indicator LED type indicating lamp (RYB) with copper control wiring, complete all as specified and directed.

M&L for Earthing with galvanized steel earth plate electrode of size 600 mm x 600mm x 6.0 mm, buried directly in ground (earth plate not less than 2.25 Mtr below normal ground level) connected to galvanized earth strip of 25x4 mm dia by means of bolts, buts, check nuts and washers of galvanized iron on steel including 40 mm bore light grade GI tubing for protection of earth strip, MS sheet metal funnel with wire mesh, watering pipe medium grade 20 mm bore, charcoal or coke and common salt in alternative layer of 15 Cm compacted thickness all around the electrode with concrete earth pit of PCC 1:3:6 type 75 mm thick precast RCC (1:2:4) type B1 pit cover reinfored with 8 mm dia deformed bar and suitable handle made of 10 mm dia round bar including necessary excavation, earth work, in soft/loose soil and disposal of spolis to a distance not exc 50 Mtr and necessary connection and testing complete all as shown in electrical plate No. 3 and including dismantling of old u/s earthing complete all as specified and directed.complete all as specified and directed. Notes: - (a) Irrespective of whatever is shown in plate No 3 of SSR, earth pit shall be casted in PCC (1:3:6) type C-1 and precast cover of RCC (1:2:4) type B-1 with suitable handle. (b) Item includes the cost of GI pipe for protection of earth wire and earth strip upto 7.5 m. (c) Cost of testing of the earth resistance deemed to be included in the quotated rate. If on testing, desired result shall not be obtained, earthing will rejuvented at no extra cost till the desired earth resistance is obtained. (d) Cost of numbering of the earth pit for identification deemed to be included in the quotated rate. (e) Cost of above aspects is deemed to be included in quoted rates.

M&L for Earthing with galvanized steel earth plate electrode of size 600 mm x 600mm x 6.0 mm, buried directly in ground (earth plate not less than 2.25 Mtr below normal ground level) connected to galvanized iron earth wire of 4 dia by means of bolts, nuts, check nuts and washers of galvanized iron including 15 mm bore light grade GI tubing for protection of earth wire, MS sheet metal funnel with wire mesh, watering pipe medium grade 20 mm bore, charcoal or coke and common salt in alternative layer of 15 Cm compacted thickness all around the electrode with concrete earth pit of PCC 1:3:6 type 75 mm thick precast RCC (1:2:4) type B1 pit cover reinfored with 8 mm dia deformed bar and suitable handle made of 10 mm dia round bar and necessary excavation, earth work, in soft/loose soil and disposal of spolis to a distance not exc 50 Mtr and necessary connection and testing complete all as shown in electrical plate No. 3 and including dismantling of old u/s earthing complete all as specified and directed.complete all as specified and directed. Notes: - (a) Irrespective of whatever is shown in plate No 3 of SSR, earth pit shall be casted in PCC (1:3:6) type C-1 and precast cover of RCC (1:2:4) type B-1 with suitable handle. (b) Item includes the cost of GI pipe for protection of earth wire and earth wire upto 7.5 m. (c) Cost of testing of the earth resistance deemed to be included in the quotated rate. If on testing, desired result shall not be obtained, earthing will rejuvented at no extra cost till the desired earth resistance is obtained. (d) Cost of numbering of the earth pit for identification deemed to be included in the quotated rate. (e) Cost of above aspects is deemed to be included in quoted rates.

M&L for Earthing with galvanized steel earth plate electrode of size 600 mm x 600mm x 6.0 mm, buried directly in ground (earth plate not less than 2.25 Mtr below normal ground level) connected to galvanized earth strip of 32x6 mm dia by means of bolts, buts, check nuts and washers of galvanized iron on steel including 40 mm bore light grade GI tubing for protection of earth strip, MS sheet metal funnel with wire mesh, watering pipe medium grade 20 mm bore, charcoal or coke and common salt in alternative layer of 15 Cm compacted thickness all around the electrode with concrete earth pit of PCC 1:3:6 type 75 mm thick precast RCC (1:2:4) type B1 pit cover reinfored with 8 mm dia deformed bar and suitable handle made of 10 mm dia round bar including necessary excavation, earth work, in soft/loose soil and disposal of spolis to a distance not exc 50 Mtr and necessary connection and testing complete all as shown in electrical plate No. 3 and including dismantling of old u/s earthing complete all as specified and directed.complete all as specified and directed. Notes: - (a) Irrespective of whatever is shown in plate No 3 of SSR, earth pit shall be casted in PCC (1:3:6) type C-1 and precast cover of RCC (1:2:4) type B-1 with suitable handle. (b) Item includes the cost of GI pipe for protection of earth wire and earth strip upto 7.5 m. (c) Cost of testing of the earth resistance deemed to be included in the quotated rate. If on testing, desired result shall not be obtained, earthing will rejuvented at no extra cost till the desired earth resistance is obtained. (d) Cost of numbering of the earth pit for identification deemed to be included in the quotated rate. (e) Cost of above aspects is deemed to be included in quoted rates.

M&L for chemical earthing with copper earth plate electrode of size 90 cm X 60 cm X 5 mm buried directly into ground vertically (earth pit not less than 5.0 mtr deep beliow ground level) with top edge of the plate not less than 4.0 mtrs below normal ground level,connecting to copper strip 50 X6 mm as earthing strip by means of copper lugs, bolts,nut check nut and washers protected with and including 80 mm dia light grade GI pipe in floor and fixed with wall with proper size of MS clamps, including necessary excavation and earth work, magnesium sulphate (80 Kg), charcoal (4 Qtl) and common salt (4 Qtl) filling, watering arrangement with 20 mm GI pipe medium grade including PCC pit with pre cast RCC (1:2:4) cover ,GI funnel with test point, including testing and connection of earth strip with electrical machine (all as shown in electrical plate No 3 and commissioning) and including dismantling of old u/s earthing complete all as specified and directed.complete all as specified and directed. Note:- (a) Irrespective of whatever is shown in plate No 3 of SSR, earth pit shall be casted in PCC (1:3:6) type C-1 and precast cover of RCC (1:2:4) type B-1 with suitable handle. (b) Item includes the cost of GI pipe for protection of earth wire and earth strip upto 7.5 m. (c) Cost of testing of the earth resistance deemed to be included in the quotated rate. If on testing, desired result shall not be obtained, earthing will rejuvented at no extra cost till the desired earth resistance is obtained. (d) Cost of numbering of the earth pit for identification deemed to be included in the quotated rate. (e) Cost of above aspects is deemed to be included in quoted rates.

M & L in renewal of earth continuity conductor 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 4mm dia galvanised iron or steel wire, complete all as specified and directed.

S&F in renewal of galvanised iron earth strip of size 25x4 mm, fixed to wall or pole, complete all as specified and directed.

S&F in renewal of galvanised iron earth strip of size 32x6 mm, fixed to wall or pole, complete all as specified and directed.

M & L in renewal of Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screwcomplete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m, complete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 2.0 mm thick for voltage upto 3.3 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m, complete all as specified and directed.

M&L hardcore (broken stone) of gauge not exc 63 mm, deposited spread and levelled in layers not exc 15 cm thick, watered and rammed to a true surface at 4 Pole, 2 Pole structures and other E&M Installations complete all as specified and directed.

S&F in renewal of outdoor bus bar chamber suitable for 11000 Volts, 4 pole, factory made using CRCA sheet of 3.15 mm thickness with indication lamps (RYB) and epoxy powder coated with locking arrangements, comprising of 4 Nos aluminium strip bus bars 450mm long, air insulated and PVC sheathed capacity 400 Amps rating with colour coding and mounted on porcelain insulators of 11000 Volts rating housed in a box of size 1200x800x600 mm, including connection with LT cable with appropriate lugs & including foundation of busbar chamber restoration of power supply complete all as specified and directed.

S&F in renewal of single pointed air termination copper rod 12 mm dia, 300 mm long, complete all as specified and directed.

S & F in renewal of aluminium strip 25x3 mm complete with saddler and fixing screws/clamps etc. For roof and down conductor upto test point complete all as specified and directed.

M & L in renewal of insulated ceramic/procelain saddles of size not less than 50mm x 40mm x 25mm as per existing design suitable to support the earth strips of lightening conductors, including screwing with wall/roof, complete all as specified and directed.

M&L PCC 1:3:6 type C-1, using 20 mm graded stone aggregate, as in coping and like & including of demolition of old u/s PCC of any description complete all as specified and directed.

MAHARANI CONSTRUCTION

AJ. Owners

S R ELECTRICALS