CA NO CWE/CHM(U)-56/2020-21 SPL REPAIR/REPLACEMENT OF UNSV LT

Amount

Dismantling of ACSR conductors and earth wire of any size and removing old material from the site complete all as specified and as directed.

Dismantling cross arms of MS channel or angles sections flats;nuts bolts washers etc and removing the old materials from the site complete all as specified and directed

Dismantling insulators of any type and any size from LT poles and removing old material from site, complete all as specified and as directed.

Dismantling stay assembly complete all as specified and directed by Engr-in-charge.

Excavating in trenches, for foundation of poles, stays or for laying of cables, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in hard/dense soil complete all as specified and as directed.

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

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

Taking out old UNSV LT UG Cable of size 35 sqmm to 70 sqmm including cable protection, connected items of bricks/ cable cover from trenches (wall/pole /duct) complete all as specified and directed.

All as per item No 8 here-in-before but size of 95sqmm to 185sqmm.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sq mm 3½ core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 sq mm 3½ core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 240 sq mm 3½ core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3½ core complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3½ core complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 400 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 240 sqmm and testing after jointing complete all as specified and directed.

M&L for straight throught joints heat shrinkable for XLPE/PVC insulated and sheathed aluminum conductor under ground cable 1100 volts 3.5 core 185 sqmm and testing after jointing complete all as specified and directed.

Supply and spreading clean dry sand in trenches for cushioning of LT UG cable protection (below, above and around the cable laid in trenches) complete all as specified and directed.

Supply and laying well burnt bricks, sub class 'B' bricks laid breath wise along length of cable in trenches for cable protection laid for UG cable complete all as specified and directed.

Supply and laying 'light grade' tubing galvanised with all fitting and fixed complete to walls and ceilings or laid in floors of following dia bore complete all as specified and as directed .

50mm dia bore

80mm dia bore

100mm dia bore

150mm dia bore

Cutting the road/boring underneath the road for passing the cable/pipe and making good with PCC 1:2:4 type B-1 (not less than 150mm thick) where road cutting done to make the road surface fair and level complete all as directed.

M&L plain cement concrete 1:3:6 type C-2 using 40mm graded crushed stone aggregate in foundation filling & mass concrete for poles/struts/stays assembly/ panel foundation complete all as specified and directed.

M&L plain cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregate in coping to foundation of any type including necessary from work, fair finished surface, chamfered or rounded edges complete all as specified and directed.

Supply, installation, testing and commissioning of out door type LT feeder pillar/ distribution boards thermoplastic polycarbonate IP 65 in accodance with EN 60 529, dust proof, rust proof, water proof & weatheproof, metering panel shock proof, rust proof, corrosion free, acid & chemical resistant, fire retardant & self extinguishing, UV resistant, Silica and halogen free recyclable material, glow wire tested at 9600 C in accordance with IEC 60 695-2-11. Type tested as per IEC 60 439-1. Total insulated with system. The manufacture of board/panel shall submit a copy of CPRI test report of degree of ingress protection IP 65 in accordance with IEC 60529. The gasket material shall be Polyurethane ; while the gasket shall be internally embedded. The manufacture of board/ panel shall submit a copy of type test report of a board made out of polycarbonate thermoplastic panel in accordance with IEC60439-1. The report shall mention the following tests performed and passed out satisfactory:- (a) Degree of protection. (b) Temperature rise. (c) Dielectric Properties. (d) Short circuit withstand current.

(e) Effectiveness of protective circuits. (f) Clearance & creepage distance. (g) Mechanical operation. Polycarbonate enclosure shall be fire retardant & self extinguishing in accordance with IEC 60 695-2-11, DIN VDE 0304 part 3,UL subject 94 for Flammability V-2. It shall be tested at Glow wire test for 960 deg. Cent. The impact strength of polycarbonate enclosures/ boards i.e. the degree of protection against mechanical load shall be in accordance with EN 50298-98 for IK 08. The lid closing and opening shall be done by quick fastering spring mechanism latches. Suitable accessories for armoured cable shall be supplied with the panel. These accessories shall not be fitted with screws, so that there is no loss of IP, but should be auto fit. The board manufacturer shall submit the copy of type test reports for polycarbonate thermoplastic board only. Each board shall have individual routine test report of the manufacture & the panel board will have the following accessories.

(a) 4 Nos heat shrink insulated bus bar of 1.5 times of incoming MCCB including all connection with aluminum strip. (b) Incoming MCCB four pole, 415 Volts, 50 HZ, 400 Amps, breaking capacity 36 KA with adjustable thermal and adjustable magnetic release with Ics = 100% Icu -01 Nos. (c) Out going MCCB four pole, 415 Volts, 50Hz, 250 Amps breaking capacity 36 KA with adjustable thermal and adjustable magnetic release with Ics = 100% Icu -01 No. (d) MCCB four pole 415 Volts ,50 HZ, 100Amps, breaking capacity 25 KA adjustable thermal and adjustable magnetic release with Ics = 100% Icu - 04 Nos.

Supply, installation, testing and commissioning of out door type LT feeder pillar/ distribution boards thermoplastic polycarbonate IP 65 in accodance with EN 60 529, dust proof, rust proof, water proof & weatheproof, metering panel shock proof, rust proof, corrosion free, acid & chemical resistant, fire retardant & self extinguishing, UV resistant, Silica and halogen free recyclable material, glow wire tested at 9600 C in accordance with IEC 60 695-2-11. Type tested as per IEC 60 439-1. Total insulated with system. The manufacture of boar/panel shall submit a copy of CPRI test report of degree of ingress protection IP 65 in accordance with IEC 60529. The gasket material shall be Polyurethane ; while the gasket shall be internally embedded. The manufacture of board/ panel shall submit a copy of type test report of a board made out of polycarbonate thermoplastic panel in accordance with IEC60439-1. The report shall mention the following tests performed and passed out satisfactory:-

(a) Degree of protection. (b) Temperature rise. (c) Dielectric Properties. (d) Short circuit withstand current. (e) Effectiveness of protective circuits. (f) Clearance & creepage distance. (g) Mechanical operation. Polycarbonate enclosure shall be fire retardant & self extinguishing in accordance with IEC 60 695-2-11, DIN VDE 0304 part 3,UL subject 94 for Flammability V-2. It shall be tested at Glow wire test for 960 deg. Cent. The impact strength of polycarbonate enclosures/ boards i.e. the degree of protection against mechanical load shall be in accordance with EN 50298-98 for IK 08. The lid closing and opening shall be done by quick fastering spring mechanism latches. Suitable accessories for armoured cable shall be supplied with the panel. These accessories shall not be fitted with screws, so that there is no loss of IP, but should be auto fit. The board manufacturer shall submit the copy of type test reports for polycarbonate thermoplastic board only. Each board shall have individual routine test report of the manufacture & the panel board will have the following accessories.

(a) 4 Nos heat shrink insulated bus bar of 1.5 times of incoming MCCB including all connection with aluminum strip. (b) Incoming MCCB four pole, 415 Volts, 50 HZ, 400 Amps, breaking capacity 36 KA with adjustable thermal and adjustable magnetic release with Ics = 100% Icu -01 Nos. (c) Out going MCCB four pole, 415 Volts, 50Hz, 250 Amps breaking capacity 36 KA with adjustable thermal and adjustable magnetic release with Ics = 100% Icu -01 No. (d) MCCB four pole 415 Volts ,50 HZ, 160Amps, breaking capacity 25 KA adjustable thermal and adjustable magnetic release with Ics = 100% Icu - 04 Nos .

Supply, installation, testing and commissioning of new out door type LT feeder pillar box of size not less than 2.0mx1.6mx0.75m, factory made CPRI approved ; openable from front & rear, double door with flush type hinges and flush cylindrical locks, dust and vermin proof, fabricated with angle iron 40x40x6mm and 2.00mm thick CRCA sheet, duly painted with two coats of synthetic enamel paint over a coat of red oxide primer complete with 4 Nos heat shrinkable insulated copper bus bars of 1200 Amp rating including all connections with copper busbar strip. LT panel /feeder pillar box shall be provided with danger notice plate with skull & bone sign, making all electrical incoming and out going electrical cable connection with new lugs, glands to be provided at cable entries, including 04 No. legs of not less than 50cm long each below the base of panel made of angle iron support 50x50x6mm for grouting purpose and grouted in PCC (1:2:4) type B1

(using 20 mm graded stone aggregate) complete all as specified and as directed and comprising of following accessories:- Incoming :- (i) LT air circuit breaker 800 Amps rating manual drawout type 4 pole 415 V, equipped with service power microprocessor based protection release with short circuit over load and earth fault protection and breaking capacity Icu=Ics=Icw (1 sec) not less than 50 KA. - 01 No (ii) Phase indicator lamp RBY complete with copper control wiring = 01 set of three, (iii) Panel mounted multifunctional digital meter 3 lines LCD display in 96x96 Sqmm flush mounted case accuracy class-I. complete with all accessories including 3 Nos 200/5A CT =1 No. Outgoing :- (i) MCCB TP 415 volts, 400 Amps, breaking capacity 35/36 KA with adjustable thermal & adjustable magnetic protection release = 03 Nos. (ii) MCCB, TP 250 Amp, 415 volt, 50 Hz breaking capacity not less than 25 KA with adjustable thermal and adjustable magnetic protection release complete = 03Nos.

M&L earthing complete with galvanized steel plate electrode 60cmx60cmx6mm thick surrounded by charcoal & salt buried directly in a pit of depth not less than 2.25m below ground level with top edge of the earth plate at a depth of not less than 1.50m below ground level, connected to and including GI strip 32x6mm upto 7.5m length by means of bolts, nuts, check nuts & washers of galvanized iron, earth strip protected by galvanized steel pipe 40 mm bore (light grade) & connected to main control board including necessary excavation & earth work, disposal of surplus soil not exceeding 50m, in any type of soil. (The rate also includes for cost of charcoal & salt in alternate layers of 15 cm thickness, 20 mm bore GI pipe (medium grade) for watering, funnel, wiremesh, PCC chamber in cement concrete (1:3:6) type C-1, 40mm thick RCC(1:2:4) type B-1 cover & frame etc) complete all as indicated in electric plate No 3 of SSR 2009 Part I including testing complete all as specified and as directed.

Vasudeva Trading Co.

R D Bansal

ELECTROMAX OF INDIA

SATISH AND CO