CONVERSION OF LT LINE FROM OVERHEAD TO UNDERGROUND IN CERTAIN STRETCHES AT TECH AREA AND REPAIR REPLACEMENT OF ALL WORN OUT JUNCTION BOXES GODS CONDUCTORS LT PANELS ETC AT KANKINARA UNDER GE NORTH KOLKATA

Amount

Excavation in trenches not exceeding 1.5 m width or n exc 10 sqm on plan and n.exc 1.5 m in depth for taking out/laying of cable,foundation etc and getting out in soft / loose soil complete all as specified and as directed.

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

Removing surplus soil to a distance not exceeding 50 mtrs and depositing where directed including spreading, leveling at a level not exceeding 1.5 mtr from the starting point complete all as specified and as directed

Cutting hard standing/ road for laying of cable and filling with PCC 1:3:6 of size not less than 30 cm X 30 cm complete all as specified and directed.

Material and labour for PCC (1:4:8) type D-2, (using 40 mm graded stone aggregate) as in foundation , filling and mass concrete, etc complete all as specified and directed

Dismantling of ACSR conductors any type or size from pole including taking down from any type of pole of different heights and segregating and keeping in safe custody complete all as specified and directed.

Supply and fixing, commissioning, testing XLPE insulated PVC sheathed armoured heavy duty electric cable with aluminium conductor for working voltage upto and including 1100 volts, in duct, trenches, fixed to pole, wall/roof make good including cable glands required size of aluminium thimble for making connection complete of size 120 sqmm 3.5 core. Make for item Nos. 7 to 14 :- M/s Havells / M/s Nicco / M/s KEI / M/s Polycab / Gloster / Grandlay Electricals( India) / HPL/ Dynamic cables / Finolex.

All as per Item No. 7 above, but 95 sq mm, 3.5 core.

All as per Item No. 7 above, but 70 sq mm, 3.5 core.

All as per Item No. 7 above, but 35 sq mm, 3.5 core.

All as per item No. 7 but of size 25 sq mm, 4.0 core.

All as per item No. 7 but of size 16 sq mm, 4.0 core.

All as per item No. 7 but of size 10 sq mm, 4.0 core.

All as per item No. 7 but of size 6 sq mm, 2.0 core.

Material and labour for sand cushioning with clean dry sand laid in trenches for cable protection complete all as specified and directed. Note:- Punned depth shall only be measured and paid.

Supply and lay sub class 'B' bricks, laid dry in trenches for cable protection laid with its longitudinal axis perpendicular to the cable axis complete all as specified and directed

Supply and fix galvanised iron pipe in 40 mm bore, light grade for protection of UG cable, fixing to pole with MS clamp,nut, bolt etc including taking down old unserviceable one complete all as directed. (Note :- MS clamp, nut,bolt etc required for fixing the pipe with pole shall deemed to be included in the quoted rate). Make for item No. 17 to 19 for pipe:- Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal / Nezone / M/S BST Infratech Ltd. make for for item No. 17 to 19 for steel :-Rinl / Sail / Tisco/JAI Balaji industries ltd / Shyam Steel industries Ltd. / SPS stell rolling mills ltd / SRMB Srijan Pvt Ltd / Electrosteel steels ltd / Shyam metallics and energy ltd.

All as per Item No. 17 here in before but for size 50 mm bore.

All as per Item No. 17 here in before but for size 80 mm bore.

Mateial and labour in repair fo 2 run, PVC insulated unsheathed, multistranded cable with stranded copper conductor 2.5 sqmm and 1run 1.5sqmm drawn through conduit pipe complete all as specified and directed. (Note: Conduit shall be measured and paid separately.2 runs of 2.5 sqmm & 1 run of 1.5 sqmm wire shall be measuread for payment. Make:- M/s Havells / M/s Nicco / M/s KEI / M/s Polycab / Gloster / Grandlay Electricals( India) / HPL/ Dynamic cables / Finolex.

Supply and fix in repair PVC conduit 20mm dia medim grade with necessary conduit fittings and fix to pole with FI clamps 20x3mm thick of suitable length made to size of pole at a height of 1mtr each complete all as specified and as directed. Make of conduit:- Plaza / Presto Plast / Precision/ M/S AGK Industries.

Supply and fix MCB single pole & neutral 32 amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed. Make : Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply and fix MCB single pole 6 amps, 240 volts, 'B' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed Make : Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply, install, connect, test and commission factory made cubicle type dust and vermin proof, weather proof, LT Panel Board of size not less than 600 x 800 x 300mm (WxHxD) out door type, conforming to the norms of CPRI,made out of 3.15 mm thick MS sheet and 40x40x6 mm (ISA- 4040) MS angle frame with hinged cubicle doors with locking arrangement, duly powder coated,and comprising of the MCCB, AC 415 volts, 50 Hz, 4-Pole,100 Amp 16 KA - 01 No. alongwith 4 strip Aluminium Bus-Bar 200 Amp rating for Incoming and provn for incorporating 8 Nos MCB/ isolators on DIN channel complete including grouting with PCC -1:2:4 using 20 mm graded stone aggregate 45 cm above ground level including aluminium bus bar , internal wiring with PVC insulated single core cables of copper conducter of suitable size duly numbered with tags for the circuits with hinged double door shutters (front and rear ), cubical type locking arrangement and slanted roof of size 800 x 400 mm (W x D)including taking down old unseviceable L T Panel complete all as specified and directed. Make of MCCB - C&S / Havell s /Indoasian / L&T / HPL / Standard

Supply and fix and connected in replacement of busbar chamber 4 strip, electrolytic copper busbar capacity 200 Amps ,suitable length for 4 way out going and mounted on pole /post / wall/ angle with suitable size of clamp, nut bolt, washer, angle, etc required at site for fixing of bus bar complete including taking out the old unserviceable busbar unit complete all as directed. Make : Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply and fix and connected in replacement of busbar chamber 4 strip, electrolytic copper busbar capacity 100 Amps ,suitable length for 4 way out going and mounted on pole /post / wall/ angle with suitable size of clamp, nut bolt, washer, angle, etc required at site for fixing of bus bar complete including taking out the old unserviceable busbar unit complete all as directed. Make : Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Materials and labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level,connected to galvanized earth strip of size 25x4 mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40 mm dia GI pipe (light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth lead connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 3 of SSR part-1 and testing on completion including taking out old earthing complete.

Supply and fix cable junction box of inside dimension 155 x 210 x 92 mm with provision of 2 number aluminium bus bar of size 25x5mm/ connector for cable of suitable size to be fixed on pole/ wall with suitable size of clamp, nut bolts and washer including taking down old unserviceable junction box with mild steel work complete all as specified and as directed. Make - Hensel/ Syntex/ National.

Supply and fix cable junction box of inside dimension 255 x 355 x 122 mm with provision of 4 Nos aluminium bus bar of size 25x5mm/ connector for cable of suitable size to be fixed on pole/ wall/ angle with suitable size of clamp, nut bolts and washer, angle etc required at site for fixing of junction box including taking down old unserviceable junction box with mild steel work complete all as specified and as directed. Make - Hensel/ Syntex/ National.

Supply and fix MCB TPN 63 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed. Make - Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply and fix MCB TPN 40 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed. Make:- Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply and fix MCB SPN 40 amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs including taking down the old unserviceable MCB complete all as specified as directed. Make:- Standard / L&T/ Indo Asian / C&S / Havells / HPL.

Supply and fix and connected in replacement of busbar chamber 4 strip, electrolytic copper busbar capacity 400 Amps ,suitable length for 4 way out going and mounted on pole /post / wall/ angle with suitable size of clamp, nut bolt, washer, angle, etc required at site for fixing of bus bar complete including taking out the old unserviceable busbar unit complete all as directed. Make : Havells/ C&S / Indoasian / L&T / HPL / Standard.

Supply and fix in repair on load change over switch four pole in open execution 415volts, 50Hz capacity 800 Amps complete all as specified and directed suitable for LT panel. Make : Havells/ C&S / Indoasian / L&T / HPL / Standard.

Supply and fix in repair on load change over switch four pole in open execution 415volts, 50Hz capacity 400 Amps complete all as specified and directed suitable for LT panel. Make : Havells/ C&S / Indoasian / L&T / HPL / Standard.

Supply and fix in replacement MCCB 4 Pole, 200 Amps,AC, 415Volt , rapturing capacity 25 KA with adjustable thermal setting and adjustable magnatic setting suitable suitable as per site complete all as specified and directed. Make : Make : Havells/ C&S / Indoasian / L&T / HPL / Standard.

SENCO

S Majumder and Construction

A ESS and CO

SHRI MILAN CHANDRA DAS

SANDIP CONSTRUCTION

Odessa Engineering Corporation