REPAIR / MAINT / REPLACEMENT OF LT DISTRIBUTION SYSTEM AND CONNECTED WORKS INCLUDING IMPROVEMENT TO SUB-STATION ACCESSORIES AT 6 WING AF UNDER GE (AF) BARRACKPORE

Amount

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft/loose soil for laying of under ground cable complete all as specified and as directed.

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

Removing of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Materials and labour for boring for passing GI protection pipe up to 100 mm bore (dia) under road without disturbing the top surface of the road and taxiway complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Taking down / out un-serviceable or serviceable LT UG Cables of size 185 sqmm 3.5 core and connections including bricks, GI pipes, etc. of any descriptions, laid in trenches and / or fixing with walls / poles including segregating of serviceable materials viz bricks, cables, GI pipes, etc. and keep in safe custody for re-use, complete all as specified and as directed. Note:- Earth work shall be measured and paid separately under respective items.

All as per Item No. 5.00 above, but of size 120 sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 95 sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 70 Sqmm 3.5 core and -ditto-.

All as per Item No. 5.00 above, but of size 50 Sqmm 3.5 core and -ditto-.

All as per item No 5.00 above but of size 16 smm 4 core and -ditto-.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 185 Sqmm, 3.5 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with brass compression cable gland, terminal lugs, etc complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

All as per Item No. 11.00 above, but of size 120 sqmm 3.5 core and -ditto-.

All as per Item No. 11.00 above, but of size 95 sqmm 3.5 core and -ditto-.

All as per Item No. 11.00 above, but of size 70 sqmm 3.5 core and -ditto-.

All as per Item No. 11.00 above, but of size 50 sqmm 3.5 core and -ditto-.

All as per Item No. 11.00 above, but of size 16 sqmm 4 core and -ditto-.

Re-laying, connecting and testing XLPE insulated, armoured, electric power UG cable (heavy duty) with aluminium conductor, 1100 Volt grade of size 185 Sqmm 3.5 core core including brass compression cable gland, terminal lugs, etc. complete all as specified and as directed. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 5.00 shall be reused under this item.

All as per Item No. 17 above, but of size 120 Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 6.00 shall be reused under this item.

All as per Item No. 17 above, but of size 95 Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 7.00 shall be reused under this item.

All as per Item No. 17 above, but of size 70Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 8.00 shall be reused under this item.

All as per Item No. 17 above, but of size 50Sqmm 3.5 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 9.00 shall be reused under this item.

All as per Item No. 17 above, but of size 16 Sqmm 4 core and -ditto-. Note : (i) Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item. (ii) Servciable cables obtained from item No. 10.00 shall be reused under this item.

MMaterial and labour for sand cushioning with clean and dry river sand for protection of PVC cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed.

Labour only for re-laying old brick in trenches for protection of under ground cable complete all as specified and directed.

Supply and fix in repair steel tubing of size 80 mm dia, light grade with all fittings, laid in trenches / road crossing / fixed on wall / pole with mild steel clamps, nuts, bolts, etc. for protection of cables complete all as specified and directed.

Supply and fix in repair steel tubing of size 50 mm dia, light grade with all fittings, laid in trenches / road crossing / fixed on wall / pole with mild steel clamps, nuts, bolts, etc. for protection of cables complete all as specified and directed.

Material and labour for repair of LT feeder pillar box complete including dismantling of burnt-out cable connections, bus-bars, MCCBs etc and preperation of external surfaces and apllying one coat of synthetic enamel paint, refixing of bus-bars, replacement of epoxy cast busbar insulators, serviceable MCCBs, all cable connection from busbar to terminals at both ends etc. including patch repair with electric welding for replacement of hinges, refixing of broken doors, replacement of locking arrangement with sliding bolts incl PCC for reconstruction of foundation/coping etc. complete all as specified and directed. NOTE : Cable connector required for replacement & required PCC for reconstruction of foundation / coping will be measured and paid separately under respective items.

Supply and fix in repair cable connector of length 0.5 m, made out of 25sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc.complete all as specified and directed.

Supply and fix in repair cable connector of length 0.5 m, made out of 35sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc. complete all as specified and directed.

Supply and fix in repair cable connector of length 0.5 m, made out of 50sqmm multi-stranded copper conductor single core PVC inner sheathed un-armoured cable including copper lugs, copper nut bolts etc.complete all as specified and directed.

Demolition of brickwork or stone/boulder masonary built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

Material and labour for brick work with sub class `B` bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C-1 (using 20 mm grade stone aggregate) for kerbs, coping etc chamfered edges including form work including demolition of existing cement concrete (unreinforced) of any spaecififcation and removal of rubbish from the site complete all as specified and directed

Supply and fix in repair straight through (epoxy) cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size exc16 sqmm but not exc. 50 sqmm, 3.5 / 4 Core and testing complete all as specified and directed.

Supply and fix in repair straight through (epoxy) cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size exc 70 sqmm but not exc. 95 sqmm, 3.5 core and testing complete all as specified and directed.

Supply and fix in repair straight through (epoxy) cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size exc 120 sqmm but not exc. 185 Sqmm, 3.5 core and testing complete all as specified and directed.

Supply and fix in repair end termination (epoxy) cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size exc. 185 sqmm but not exc. 300 sqmm, 3.5 core and testing complete all as specified and directed.

Supply and fix in repair end termination (epoxy) cable joint kit including jointing materials for making joints of UG electric cable 1100 Volt grade heavy duty with PVC / XLPE insulated aluminium stranded conductor of size exc. 400 sqmm but not exc. 500 sqmm, 3.5 core and testing complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder pannel board (CPRI Approved), outdoor type, double door, factory made out of 3.15 mm thick CRCA sheet of size 1.2 m x 1.00 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland and gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop, foundation of panel board and refilling and comprising of the following accessories:- (a) Anodized Copper bus bar of capacity 600 Amp -04 Nos (b) MCCB 320 Amp fixed thermal and magnetic release type, 415 Volts 4 pole, 36 KA - 01 Nos ( In coming). (c) MCCB 160 Amp fixed thermal and magnetic release type, 415 Volts 4 pole, 25 KA - 02 Nos (Out going). (d) MCCB 63 Amp fixed thermal and magnetic release type, 415 Volts 4 pole, 16 KA - 02 Nos (Out going). (e) MCB 40 Amp 'C' curve SPN with breaking capacity 10KA - 2 Nos. (f) Indicator lamp LED type (set of three Red,Yellow,Blue)- 1 Nos. Including taking down old unserviciable panel board complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder pannel board (CPRI Approved), outdoor type, double door,factory made out of 3.15 mm thick CRCA sheet of size 1.2 m x 1.0 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland and gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop, foundation of panel board and refilling and comprising of the following accessories:- (a) Anodized Copper bus bar of capacity 600 Amp -04 Nos (b) MCCB 320A fixed thermal and magnetic release type, 415 Volts 4 pole, 36 KA - 01 Nos (In coming). (c) MCCB 160 A fixed thermal and magnetic release type, 415 Volts 4 pole, 25 KA - 03 Nos (Out going). (d) MCCB 63 A fixed thermal and magnetic release type, 415 Volts 4 pole, 16 KA - 01 Nos (Out going). (e) MCB 40 Amps 'C' curve SPN with breaking capacity 10KA - 2 Nos. (f) Indicator lamp LED type (set of three red,yellow,blue)----01 Nos. Including taking down old unserviciable panel board complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder pannel board (CPRI Approved), outdoor type, double door,factory made out of 3 mm thick CRCA sheet of size 0.60 m x 0.60 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc including necessary excavation work for taking out cable loop, foundation of panel board and refilling and comprising of the following accessories:- (a) Anodized Copper bus bar of capacity 300 Amp -04 Nos. Including taking down old unserviciable panel board complete all as specified and directed.

Material and labour for preperation of old painted surface of panel board and applying one coat of synthetic enamel paint by spray painting complete all as specified and directed.

MODERN CONSTRUCTION

M/S. B. N. CHATTERJEE

BISWAS CONSTRUCTION

NC BOSE AND CO

SARKAR AND COM

PANJAB ELECTRICAL AND AUTO ENGINEERING WORKS

KAZI ENTERPRISE