REPAIR / MAINT OF EXTERNAL ELECT SUPPLY AT EAST GATE, VIJAY SMARAK, VATIKA, SOUTH GATE, GEORGE GATE AND GORA BAZAR AREA OUTSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Taking down unserviceable LT cable for repair/ replacement etc (from cable duct/underground trench / pole), stacking properly (cable, pipe and bricks) complete all as directed by the Engr-in-Charge of the following cross - sections :- (Note :- Earth work to be measured and paid separately.

10 Sqmm to 16 Sqmm, 2/3.5/4 core

25 Sqmm to 50 Sqmm, 3.5 core

70 Sqmm to 150 Sqmm, 3.5 core

185 Sqmm to 240 Sqmm, 3.5 core

Excavation in trenches not exc 1.5 metre width and not exceeding 1.5 metre in depth in soft/loose soil and getting complete all as specified and as directed.

Excavation of trench in road/hardstanding etc, not exc 1.50 m wide and not exc 1.50 m deep and getting out complete all as specified and directed.

Returning, filling in including spreading levelling watering and well ramming in layers n.exc 25 thick for soft/loose soil complete all as specified and as directed.

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

M&L for sand cushioning / sand covering for underground cable protection and consolidated and compacted with clean dry sand complete all as specified and as directed. Note:For the purpose of payment, punned thickness of sand cushioning only shall be measured.

Supply and laying in trenches sub class 'B' Bricks, Kiln burnt, for cable protection, complete all as specified and as directed.

Laying only old PCC cover / bricks (Serviceable bricks retrived from Item No.01.00 here in before) for cable protection, complete all as specified and as directed.

Taking out carefully interlocking paver block, of any size or shape and re-laying in the same position after relaying of LT Cable, duly removing all vegetation, algae, grass etc., laid in proper slope and gradient over sand cushioning, complete all as specified and directed. Note: Sand, if required for correction of cushioning level shall be measured and paid separately. Replacement of brocken paver blocks shall be separately as "Supply only"

Supply only machine pressed precast concrete interlocking paver block with grey cement and pigment of any shape and size as approved by GE conforming to IS-15658-2006 of 60 mm thickness, M-35 grade with 6 mm top layer of coloured rubberised anti abrasive material complete all as specified and directed.

Relaying of XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cable 1100 Volts grade with stranded aluminium conductor cable, laid in trench or fixed to wall / passing through pipe/ pole. (retrieved against item No 1 above) after fault rectification incl necessary aluminium thimbles, jointing and testing complete all as directed by the Engr-in-Charge of the following sizes :- (Note :- Necessary earth work to be measured and paid separately.

10 Sqmm to 16 Sqmm, 2/3.5/4 core

25 Sqmm to 50 Sqmm, 3.5 core

70 Sqmm to 150 Sqmm, 3.5 core

188 Sqmm to 240 Sqmm, 3.5 core

300 Sqmm 4 core to 400 Sqmm, 4 Core

Supply, Laying and testing XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cable 1100 Volts grade with stranded aluminium conductor cable, laid in trench or fixed to wall/passing through pipe/pole incl necessary aluminium thimbles, jointing and testing complete of the following sizes and cross sectional area :- (Note :- Necessary earth work to be measured and paid separately.

10 Sqmm, 4.0 Core

16 Sqmm, 4.0 Core

25 Sqmm, 4 Core

50 Sqmm, 4 Core

70 Sqmm, 4 Core

95 Sqmm, 4 Core

120 Sqmm, 3.5 Core

185 Sqmm, 3.5 Core

240 Sqmm, 3.5 Core

S&F heat shrinkable straight through Joints using suitable jointing Kit suitable for 1100 volts grade XLPE insulated stranded aluminium conductor cable including testing on completion complete all as specified and directed by the Engr-in-Charge for the following size of cables :-

10 Sqmm to 16 Sqmm, 3.5/4 Core

25 Sqmm to 50 Sqmm, 3.5/4 Core

70 Sqmm to 150 Sqmm, 3.5 Core

185 Sqmm to 240 Sqmm, 3.5 Core

300 Sqmm to 400 Sqmm, 3.5 Core

S&F cable route indicator (blue in colour) for LT UG cable of 1100 Volts, with embossed letters, min 80 mm dia, made from 5 mm thick cast iron plate 80 mm dia, bolted with 40 x 40 x 6 m angle iron of height 0.60 mtr above GL, embedded in PCC (1:3:6) type C2 (using 40 mm graded aggregate) of size 200 x 200 x 200 mm block, including taking down old unserviceable one, complete all as specified and directed. (NOTE: Cost of PCC is deemed to be included in the quoted rate)

S&F in repair MCCB 630 Amps, 4 pole, 50 kA, 415 Volts, with microprossor based release with electronic Sg (LSg) protection unit, Ics=100% of Icu with overload, short circuit & ground fault protections with in built display for current metering with high accuracy of class 1, internal battery, communication port, inbuilt USB port for software diagnosis, with all accessories, complete all as specified and directed. (Make: L&T / LEGRAND /SCHNEIDER/ ABB/ SIEMENS)

S&F in repair MCCB 400 Amps, 4 pole, 50 kA, 415 Volts, with microprossor based release with electronic Sg (LSg) protection unit, Ics=100% of Icu with overload, short circuit & ground fault protections with in built display for current metering with high accuracy of class 1, internal battery, communication port, inbuilt USB port for software diagnosis, with all accessories, complete all as specified and directed. (Make: L&T /LEGRAND/ SCHNEIDER/ABB / SIEMENS)

S&F in repair MCCB 320 Amps, 4 pole, 36 kA, 415 Volts, with adjustable type, Ics=100% of Icu, with all accessories & copper spreader complete all as specified and directed. (Make: L&T / LEGRAND / SCHNEIDER/ ABB / C&S / SIEMENS)

S&F in repair MCCB 200 Amps, 4 pole, 25 kA, 415 Volts, with adjustable type, Ics=100% of Icu, with all accessories & copper spreader complete all as specified and directed. (Make: L&T / LEGRAND / SCHNEIDER/ ABB / C&S / SIEMENS)

S&F in repair MCCB 160 Amps, 4 pole, 25 kA, 415 Volts, with adjustable type, Ics=100% of Icu, with all accessories & copper spreader complete all as specified and directed. (Make: L&T / LEGRAND / SCHNEIDER/ ABB / C&S / SIEMENS)

S&F in repair MCCB 100 Amps, 4 pole, 25 kA, 415 Volts, with adjustable type, Ics=100% of Icu, with all accessories & copper spreader complete all as specified and directed. (Make: L&T / LEGRAND / SCHNEIDER/ ABB / C&S / SIEMENS)

S&F in replacement of PVC insulated, sheathed and multistranded copper conductor cable of size 1.5 Sqmm 3 Core, round flexible for providing necessary electric connection from junction box to light fittings, including with suitable size copper lugs, complete all as specified and as directed.

M&L for PCC (1:3:6) type C-1 using 20 mm graded crushed stone aggregate as in foundations of poles, plinth courses, string courses, etc., including using necessary formwork and finishing the exposed surfaces even and smooth without using extra cement, complete all as specified and directed.

Dismantling / Disconnecting electric connection of UG LT XLPE cable, 35 Sqmm to 400 Sqmm, 1100 Volts grade, for finding the earth fault from both sides of cable and locating the fault in LT cable with fault locating machine in the entire length, complete testing after reconnecting and commissioning of cable, complere all as specified and directed. (NOTE: The testing shall be conducted only after obtaining the proper shutdown from the Main Power House, in the prengence of GE / Engineer-in-Charge)

S&F Street light junction box made out of 2 mm thick mild steel sheet including applying two coats of synthetic enamel paint over a coat of zinc chrome primer duly spray painted of size not less than 25 cm x 20 cm x 10 cm with locking arrangements inclusive of 20 x 3 mm thick aluminium bus bar 100 amps - 04 Nos of suitable length incl MCB SP 5 amp - 01 No, fixed on and including insulators for mounting bus bar (with provision of cable entry and exit conduit), fixed with necessary flat iron clamp of size 25mm x 3 mm - 2 Nos (length as reqd to fix in pole), bent to required shape including painting, at bottom portion of the pole (above coping), fixed with GI bolts, nuts and washers (of suitable size), incl taking down existing junction box complete all as specified and as directed by the Engineer-in-charge.

Taking out unserviceable LT panel board/Feeder Pillar (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, sloping canopy top roof, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1200 mm x 1200 mm x 500 mm, fabricated in CPRI approved factory with front and back openable door (with locking arrangement) and making compartment for each ACB/MCCB/change over switch separately, duly powder coated over coat of red oxide zinc chrome primer inclusive of four numbers aluminium bus bar of 800 Amps capacity (of adequate length), for three phase and neutral system, fixed over and including 4 nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland),and two numbers Danger Notice Plate (of size 20 cm x 15 cm, suitable for LT line, made out of 0.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron 50x50x6 mm legs not more than 450mm long including grouting with PCC 1:2:4 type B1 complete all as directed by the Engr-in-Charge including S&F of the following accessories :-

On Load Change Over Switch 250 Amps, 4 Pole, Manual Type, open execution, 415V, 3 phase - 01 No (Make: L&T / ABB / LEGRAND / SCHNEIDER)

MCCB 200 Amps, 4 pole, 35 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (I/C) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 125 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 63 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 100 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

Surge Protection Device 3P+N 50 KA 415 Volts 50HZ-01 No

MCB SP 6 Amps 10KA -3 Nos

LED indicating Lamp with holder for main supply & standby supply indicating RYB (Set of three) - 01 Set

Current transformer Ratio 600/5A-03 Nos

Note:-(i) All incoming and out going cables, duly thimble along with suitable size of brass cable glands, to be connected to accessories. (ii) All ACB, MCCB & Changeover to be connected internally with suitable size of aluminium strip. (iii) All requisite accessories including spreader terminals shall be provided alongwith MCCBs and cost of the same shall be deemed to be inclusive in the quoted rates.

Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, sloping canopy top roof, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1000 mm x 1000 mm x 500 mm, CPRI approved with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a red oxide zinc chrome primer inclusive of four numbers aluminium bus bar of 800 Amps capacity (of adequate size), for three phase and neutral system, fixed over and including 4 Nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland), and two numbers Danger Notice Plate (of size 20 cm x 15 cm, suitable for LT line, made out of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50x50x6 mm complete with legs not more than 450mm long including grouting with PCC 1:3:6 complete earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:-

On Load Change Over Switch 400 Amps, 4 Pole, Manual Type, open execution, 415V, 3 phase - 01 No (Make: L&T / HAGER / ABB / LEGRAND / SCHNEIDER)

MCCB 250 Amps, 4 pole, 50 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (I/C) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 125 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 03 Nos (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 100 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 160 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 63 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

Surge Protection Device 3P+N 50 KA 415 Volts 50HZ-01 No

MCB SP 6 Amps 10KA -3 Nos

LED indicating Lamp with holder for main supply & standby supply indicating RYB (Set of three) - 01 Set

Current transformer Ratio 600/5A-03 Nos

Note:-(i) All incoming and out going cables, duly thimble along with suitable size of brass cable glands, to be connected to accessories. (ii) All ACB, MCCB & Changeover to be connected internally with suitable size of aluminium strip. (iii) All requisite accessories including spreader terminals shall be provided alongwith MCCBs and cost of the same shall be deemed to be inclusive in the quoted rates.

Taking out unserviceable LT panel board (of any size) and Supply, install, commissioning and testing of outdoor type LT panel board, cubical type, sloping canopy top roof, dust and vermin proof, made out of 3.15 mm thick CRCA sheet of size 1400 mm x 1400 mm x 600 mm, fabricated in CPRI approved factory with front and back openable door (with locking arrangement) and making compartment for each MCCB/change over switch separately, duly painted with two coats of powder coated paint over a red oxide zinc chrome primer inclusive of four numbers aluminium bus bar of 800 Amps capacity (of adequate length), for three phase and neutral system, fixed over and including 4 Nos insulators, pre-wired with PVC insulated stranded copper conductor (of adequate size), all incoming / outgoing connection to be made with copper lugs and copper strips, with provision of cable entry and exit at mid portion of the panel board (with cable gland), and two numbers Danger Notice Plate (of size 20 cm x 15 cm, suitable for LT line, made out of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour, fixed with MS angle iron of size 50x50x6 mm complete with legs not more than 450mm long including grouting with PCC 1:3:6 complete earthing terminals complete all as directed by the Engr-in-Charge including supply and fixing of the following accessories:-

On Load Change Over Switch 630 Amps, 4 Pole, Manual Type, open execution, 415V, 3 phase - 01 No (Make: L&T / ABB / LEGRAND / SCHNEIDER)

MCCB 630 Amps, 4 pole, 50 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (I/C) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 320 Amps, 4 pole, 36 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 02 Nos (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 250 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 200 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

MCCB 125 Amps, 4 pole, 25 KA, 415 Volts, adjustable type with thermal magnetic release, Ics=100% of Icu, with spreader terminals - 01 No (O/G) (Make: L&T / SCHNEIDER / LEGRAND / ABB / C&S)

Surge Protection Device 3P+N 50 KA 415 Volts 50HZ-01 No

MCB SP 40 Amps 10KA -3 Nos

LED indicating Lamp with holder for main supply & standby supply indicating RYB (Set of three) - 01 Set

Current transformer Ratio 600/5A-03 Nos

Astronautically time switch of 415V, 63 Amps complete- 01 No

Note:-(i) All incoming and out going cables, duly thimble along with suitable size of brass cable glands, to be connected to accessories. (ii) All ACB, MCCB & Changeover to be connected internally with suitable size of aluminium strip. (iii) All requisite accessories including spreader terminals shall be provided alongwith MCCBs and cost of the same shall be deemed to be inclusive in the quoted rates.

M&L for earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanized iron strip 25 X 4 mm (upto 7.5 metres) by means of bolts, nuts check nuts and washers of galvanized steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 45 cm x 45 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 40 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing and dismantling of existing unsv earthing complete all as shown in Figure 15A of IS 3043 :1987, complete all as specified and directed.

SINHA ENTERPRISE (BID ID -3185163)

MS HORIZEN (BID ID -3185059)

CHOWDHURY SMALL INDUSTRIES (BID ID -3183873)

PRABIR TRADERS (BID ID -3183949)

ARJUN DAS VALECHA (BID ID -3185753)

ROY CONSTRUCTION (BID ID -3184650)