WBPWD/EE/PMED/NIQ-29/e-T /2020-2021(1st Re-Tender)

Amount

S & Laying of cable in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and storing surface duly rammed. Make- policab/ Havells/ Gloster/ KEI

a) 4 core 95 sq. mm 1.1kv grade xlpe insulated Al/A cable [Generator to New Fidder Piller & New Fidder piller to Fidder piller 1)

b) 4 core 70 sq. mm 1.1kv grade xlpe insulated Al/A cable [New Fidder Piller to Fidder Piller 2)

S & F compression type brass cable gland complete with brass gland, brass ring & rubber ring for dust & moisture proof entryof XLPE/PVC armoured cable.

a) 4 core 120 sq. mm

b) 4 core 95 sq. mm

c) 4 core 70 sq. mm

Finishing the end of the XLPE/PVC armoured cableas by crimping method incl. S&F solderless socket (Dowels make), tapes, anticorrosive paste & joiting materials.

a) 4 core 120 sq. mm

b) 4 core 95 sq. mm

c) 4 core 70 sq. mm

Supply & Errection of uitable 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 :- Normal Side:- Incomer- a) S& fixing 415V, 200A TPN SFU in sheet steel encloser with 3nos. HRC type fuse. [Make : L&T/ Schneider/ Siemens]------1 nos. BUSBAR: 415V, 315 A, 4x20x5mm. copper bar as BBC in 16 SWG M,S sheet enclosure as per GS ---1 set. OUTGOING: a) S& fixing 415V, 100A TPN SFU in sheet steel encloser with 3nos. HRC type fuse. [Make : L&T/ Schneider/ Siemens]------1 nos. (For Qtr.) 4) S& fixing 415V, 63A TPN SFU in sheet steel encloser with 3nos. HRC type fuse. [Make : L&T/ Schneider/ Siemens]------1 nos. (Spare)

Emergency Side:- Incomer- a) S& fixing 415V, 125A TPN onload front operated change over in sheet steel encloser [ Make : L&T/ Schneider/ Siemens]------1 no. BUSBAR: 415V, 200A, 4x20x5mm. copper bar as BBC in 16 SWG M,S sheet enclosure as per GS ---1 set. OUTGOING: a) S& fixing 415V, 125A TPN SFU in sheet steel encloser with 3nos. HRC type fuse. [Make : L&T/ Schneider/ Siemens]------1 nos. (For feeder piller ) 4) S& fixing 415V, 100A TPN SFU in sheet steel encloser with 3nos. HRC type fuse. [Make : L&T/ Schneider/ Siemens]------1 nos.

Inter connectiion between switches (upto 125A) and busbar by suitable grade of cupper stranded wire with necessary cupper socketing through cable entry box. and inter connection between switches (above 125A) and busber by suitable size of Cu. busbar through cable entry box. 6nos. R,Y,B LED type indication incl. 6nos fuse with necessary connection by 1.5 sq mm standared cu wire. two nos. 415 V Danger plate.

Supply, Installation, Testing & Commissioning of silent type 50 KVA DG set confirming to CPCB -II norms as per the following specification. A) Diesel Engine : Liquid Cooled Diesel Engine, devloping 1500rpm having blower fan of adequate capacity, fanguard, fan belts etc. the Diesel Engine shall be vertical, Electric start, compression ignition, 4 stoke, continuous run at 1500 rpm conforming to IS 10002, ISO-3046, BS 5514 standard with an permissible over load capacity of 10% for one hour in 12 hour in every 12 hrs. of operation complying present CPCB norms:

B) Alternator: make Alternator suitable to deliver rated output of 50KVA at 1500 rpm, 415V, 0.8 PF(lag), 50 HZ, 3 phase,in SPDP enclosure, self excited & self regulated, brushless. The Alternator should be IS: 4722/BS EN 60034-1 & & will be suitable for tropical condition having full load efficiency above 90%. Class of insulation shall be H, and encloser shall be IP23.

C) Gen set Controller : i)Having indication/LCD display for lub oil pressure, battery viltage, engine rpm, fuel level in the day tank, engine running hrs. indication, AC current, AC Voltage, AC frequency, AC power metering with suitable CTs for dispalying the electrical parameters. ii) Safety Alarms for High engine temperature, low lub oil pressure, lowraditor water level, low fuel level, battery high voltage, under/over speed alongwith safety trips for High Engine temperature, low lube oil.

D) Without AMF control Panel. E) Base frame, F) Fuel Tank having atleast 8 hrs capacity, G) 12 Volt batter with leads, E) Canopy. Make: Cummins /Volvo/ cater piller/ Kirlosker/ Ashok Leyland / Mahindra. 1) Rate should be cotated inclusive of all taxes, duties. 2) The DG set is to be delivered at site free of cost. 3) Necessary warranty certificate, Testing and Commissioning report are to be submitted duly counter signed by the concern JE/AE. 4) All equipments must be warrented for a period of 18(eighteen) month from the date of supply or 12(Twelve) month date of commissioning which ever is earlier.

Construction of D G Set Foundation size by 11 ( 1 ) x 5 ( w ) x 2 (d) Ft ( above GL ) & 2 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 tor steel atleast 150 KG total , this rate are incl. all materials , labour charges & carrying etc. (suitable for 50 KVA DG set)

Earthing with 50 mm dia GI pipe 3.64 mm thick *3.04 mtrlong & 1*4 SWG GI (HOT DIP )wire (4 mtr long),13 mm dia *80 mm long GI bolt ,double nut, double washer incl S & F 15 mm dia GI pipe protection (1 mtr long)to be filled with bitumen partly under the ground level & partly above the ground level driven to an average depth of 3065 mtr below the ground level &restoringsurface duly rammed [for morrum soil,ISI Medium)

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

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.

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.

S& laying of 1.1 Kv 1 core 16 sqmm PVC cupper wire in 19 mm poly pipe with necessary both side socketing by crimping machine as per GS (Neutral earthing)

Supply and pour of H.S. Diesel for necessary commissioning of new DG (HS Diesel)

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.

Excavation of soil for installation of Earth Electrode and filling & ramming. For morrum soil.

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.

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 .

80 mm dia .

Terms and Condition:- 1) The Agency must procure the materials from the manufacturer/ OEM or from their authorized sales and channel so that the standard warranty/ support of the manufacture/ OEM becomes applicable to the products to be delivered and installed by them. 2) Documents that authenticates such procurement from the manufacturer/ OEM or from their authorized sales channel and standard warranty/ support should be send from the e-mail of the manufacturer/ OEM/ authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution of work/ submission of bill. 3) If any refurbished material is supplied and installed, penal action will be taken as per existing rules. 4) Rate should be quotated in including all taxes & GST.

GHOSH ELECTRIC WORKS

MAA BISHWESHWARI ELECTRICAL