WBPWD/EE/PMED/NIQ-20/e-T /2019-2020

Amount

Supplying and fixing 415V, 630A TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc. Make- L&T cat no- CO46300OSOO/ Siemens/ Schneider)

S & Delivery of 4 core 240 sq. mm. 1.1kv grade XLPE insulated AL/A cable. Make: Polycab/ Havells/ gloser.

Laying of two cables above 185 sqmm in an underground trench in single tier formation (horizontal), the trench size : 680 mm x 760 mm average depth, with brick protection on the top of each cable 8 (eight) Nos. bricks per Mtr. and 4 (four) Nos. bricks per Mtr. as separator between the bricks and cables and also trench to be filled up with shifted soil, levelling up and restoring surface duly rammed.

S & Fcompression type brass cable gland complete with brass gland, brass ring & rubber ring for dust & moisture proof entryof XLPE/PVC armoured cableas below. a) 4 core 240 sqmm

Finishing the end of the following XLPE/PVC armoured cableas by crimping method incl. S&F solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials: a) 4 core 240 sqmm

Earthing with Copper plate (610x610x3mm size) having weight of 9.84 Kg and 1 No. 25x5mm Copper strip (3.20 mt long) & 1 no. 6 sqmm PVC insulated stranded Copper wire (4 Mt long) incl. S & F 15 mm dia GI pipe (ISI-Medium) protection (4 mt. long) to be fillied with bitumen, partly under the ground level & partly above ground level to an average depth of 3.65 Mts.below the ground level and restoring the surface duly rammed incl. providing 3.0 mt long, 25 mm dia GI pipe (ISI-Medium) for periodic treatment, incl. providing masonery enclosure on the top of the earth electrode of overall size 86.36x86.36x46cm deep (below Ground level) complete with cemented brick work (1:6) of 25 cm width, duly plastered with cement morter(inside) CI hinged inspection cover of size 36.56x35.56cm with locking arrangement, GI reducer and treatment of soil by using salt & charcoal or coke for plate electrode.

Supplying & fixing earth busbar of copper bar flat 50 mm x 5 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required as per GS .

Connecting the equipments to earth busbar including S & F copper strip of size 25 mm x 5 mm in UG trench with necy arrengement.

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl.drilling holes, with bolts, nuts, washers etc.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 50 mm x 6 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 65 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

Excavation charge of soil for installation of earth electrod and filling & remianing (for morrum soil)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Extra for providing masonary enclosure on the top of the earth electrod of overall size 86.36 cm x 86.36 cm x 46 cm deep ( below the ground level ) complete with cemented brick work (1 : 6 0 of 25 cm width duly plasteredwith cement motor ( inside ) CI hinged inspection cover of size 36. 56 cm x 36.56 cm with locking arrengement , GI reducer including drilling of 46 nos 12 mm dia holes on the GI pipe .

Extra for tretment of soil by using salt & charcoal or coke for plate electrode .

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required .

100 mm dia .

Cutting RCC floor by special tools and tackles very carefully without any damaging and removing the shifted rubbish & levelling up and restoring the surface for 8 nos earth pit as per direction of EIC

Construction of D G Set Foundation size by 20 (L) x 10 (W) x 1.5 (D) Ft (above GL) & 3 Ft (under GL) Ordinary cement concrete mix. 1 : 5 : 3 : with graded stone chips of 20 mm down pakur variety laying concrete base ( 1 : 3 : 6 ) using 40 mm down stone metal & single brick flat solling of picked jhama brick incl. at shuttering work by 25 mm to 30 mm thick wooden plank also , rein inforcement with 8 mm dia steel TMT bars atleast 250 KG total , this rate are incl. all materials , labour charges & carrying etc. (suitable for 250 KVA DG set)

Supply and pour of H.S. Diesel oil for necessary commissioning of new DG incl. transportation cost.

Supply & Errection of suitable size out door type both side opening sheet steel piller Box of 3.15mm thick CRCA sheet with trapizium top cover (5mm thick) with ventilation arrangement with both side door arangement hinged type,with mechanical locking arrangement & in built handle pcc & brick foundation of 20 " with plaster with neat cement finish etc.with central hollow with filling of fine sand. at a height of 2.5 ft from G.L.& below 1.5 ft on pcc (4" thickness)on sand filling (6" thickness) Piller box should have 2( two ) coat of synthetic enamel paint powder coated over RO Primer with mechanical locking arrangement ,with pad lock arrangement also incl providing of Godrej brass make /weather proof Lock & key (3 no key) with it incl. 2 no eath terminal on it.The pillar box should be two part type (front & back side opening) with comprising of the following :- a) S& fixing 415V, 630A TPN SFU in sheet steel encloser with 3nos. din type HRC fuse as per rating. [ Make : L&T/ Schneider/ Siemens]------1 no. BUSBAR: b) 415V, 1000A, 4x2x80x5mm. copper bar as BBC in 16 SWG M,S sheet enclosure as per GS ---1 set. OUTGOING: c) S& fixing 415V, 630A TPN SFU in sheet steel encloser with 3nos. din type HRC fuse as per rating. [ Make : L&T/ Schneider/ Siemens]------2 nos. e) Inter connectiion between switches (upto 100A) and busbar by suitable grade of cupper stranded wire with necessary cupper socketing through cable entry box. and inter connection between switches (above 100A) and busber by suitable size of Cu. busbar through cable entry box. R,Y,B LED type indication incl. 3nos fuse with necessary connection by 1.5 sq mm standared cu wire. two nos. 415 V Danger plate.

M/S JOGMAYA ENTERPRISE

ELCON ENGINEERS