REPAIR/MAINT/IMPV OF ES INSTALLATIONS AND BLDGS INCL ALL CONNECTED WORKS AT JALAPAHAR AND KATAPAHAR UNDER AGE (I) DARJEELING

Amount

Taking down old existing air termination rod from building roof and keeping in safe custody for re-use / taken as such to credit, complete all as specified and as directed by Engineer-in-charge.

Taking down old existing aluminum strip of size 25 x 3.15 mm and keeping in safe custody for re-use / taken as sch of credit, complete all as specified and as directed by Engineer-in-charge.

Taking down old existing GI strip of size 32 x 6 mm and keeping in safe custody for re-use / taken as sch of credit, complete all as specified and as directed by Engineer-in-charge.

Taking down old existing earth test point from building/walls and keeping in safe custody for re-use / taken as such to credit, complete all as specified and as directed by Engineer-in-charge.

M&L Air termination single pointed aluminium rod 12 mm dia and 300 mm long, complete all as specified and as directed by Engineer-in-charge.

M&L Test point terminal block made of gun metal or phosphorus bronze size incliding 3 Nos 8 mm dia 25 mm long hex. head screw, complete all as specified and as directed by Engineer-in-charge.

M&L Aluminium strip 25 x 3.15 mm with saddles amd fixing screws etc for roof conductors and down conductors, complete all as specified and as directed by Engineer-in-charge.

M&L Galvanised iron stip 32 x 6 mm burried in ground, complete all as specified and as directed by Engineer-in-charge.

S&F PVC Enclouser with front opening and locking arrangements of size not less than 250x200x100 mm for protection of test point terminal block, complete all as specified and as directed by Engineer-in-charge.

M&L for Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to galvanized iron strip 32x6 mm as earthing lead by mean of bolts , nuts, check nuts and washer of galvanized iron or steel all as shown in electrical plate No 3 of SSR part I of 2009 connected to earthing test point all as specified complete with excavation and earth work PCC pit with 50 mm thick RCC cover (grade M-15) having suitable handle (10 mm MS Rod) 20 mm dia GI medium grade ISI marked watering pipe with GI funnel with wire mesh 40 mm bore GI Pipe ISI marked (medium grade) for protection of earth lead conductor all as directed and testing on completion, complete all as specified and as directed by Engineer-in-charge.

S&F Vertical Three pole & neutral (VTPN) DB with sheet metal enclouser 415 volts, 4 way with rated bus bar Double Door, IP 54, IK 09 incl incomming MCCB of Capacity 100 Amps 25 KA, 4 pole, 415 Volt, complete all as specified and as directed by Engineer-in-charge. Make - Legrand cat part no 507750 and 420055 for MCCB 100 Amps or equivalent model of makes as mentioned in "List of Makes" of Particular Specification of the Tender Documents. Note : Outgoing MCBs measured and paid under relevant Item.

Supply and fixing in Repairs/Replacement of MCB single pole, single phase circuit of 6 to 32 Amp, breaking capacity 10 KA, "C" curve, 230V, complete all as specified and as directed by Engineer-in-charge.

Dismantling posts or struts (wood, steel or RCC) any section, embeded in concrete, brick work, masonry, etc., including taking out embedded portion and making good disturbed ground complete all as per specified and as directed by Engineer-in-charge.

Excavating in post holes (or similar holes) each not exc 0.5 cum., getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in hard/dense soil complete all as per specified and as directed by Engineer-in-charge.

Dismantling fencing wire mesh any type complete all as per specified and as directed by Engineer-in-charge.

M&L for PCC 1:3:6 type C2 (using 40mm graded aggregate) in foundation, filling and mass concrete as in fencing post etc complete all as per specified and as directed by Engineer-in-charge.

M&L for fencing post (ISA 50X50X6mm) including embeding in concrete and screwing etc. wind ties, posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc flat iron fillets (for securing wire mesh etc) including all as specified and as directed by Engineer-in-charge.

M&L for preparation of new steel surfaces over 10cm width or grith and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as per specified and as directed by Engineer-in-charge.

Supply only chain link MS galvanised fencing including wire mess size 4mm dia and nominal pitch of wire 100X100mm complete all as per specified and as directed by Engineer-in-charge.

Fixing only chain link fencing incl line wires any mesh, size and type to any type of standards, rails staining bolts etc incl provn of binding wires complete all as per specified and as directed by Engineer-in-charge.

S&F in repairs galvanised, 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails strain- ing bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured) complete all as per specified and as directed by Engineer-in-charge.

S&F 10mm dia MS rounds bars provided in between fencing post to support chain link fencing incl necessary cutting, bending and hooking etc complete all as per specified and as directed by Engineer-in-charge.

S&F MS screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, each screwed end to be fitted with washers and one hexagonal or square nut, not exc. 50mm long (dia of neck 5 to 10mm) complete all as per specified and as directed by Engineer-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed by Engineer-in-Charge.

M&L for framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 and for portions framed and hung as gates, including pintle hinges, stops, hand-made sliding bolts, etc. complete all as per specified and as directed by Engineer-in-charge.

Demolition of reinforced cement concrete of any description and in any position not otherwise specificied provided for, complete all as per specified and as directed by Engineer-in-charge.

S&F rolled mild steel work in plates (chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment grade Fe-410-w (Gde-E-250) quality-A, complete all as per specified and as directed by Engineer-in-charge.

Supply and fix in replacement of Cable Junction Box of size 205x255x112 mm (HWD) with 6 amps MCB provision and suitable connector for single phase connections loop in and out 10 to 25 sqmm 2/4 core aluminium armoured cable branch out 1.5 sqmm single core copper pvc insulated cable enclosed in thermoplastic /polycarbonate enclosure which should be shock proof safe IP 66/67 thermoplastic metric size glands ,GI clamps made out of GI flat of size 25mmX 3mm channel including making connections, takng down of old FRP box, complete all as per specified and as directed by Engineer-in-charge. Make: Hensel Cat No. KF 2525 G or equivalent model of makes as mentioned in "List of Makes" of Particular Specification of the Tender Documents. Note : MCB 6 Amps measured and paid sepreately under relevant Item.

Supply and fix in replacement of Cable Junction Box of size 155x210x92 mm (HWD) with 6 amps MCB provision and suitable connector for single phase connections loop in and out 10 to 16 sqmm 2/4 core aluminium armoured cable branch out 1.5 sqmm single core copper pvc insulated cable enclosed in thermoplastic /polycarbonate enclosure which should be shock proof safe IP 66/67 thermoplastic metric size glands ,GI clamps made out of GI flat of size 25mmX 3mm channel including making connections, takng down of old FRP box, complete all as per specified and as directed by Engineer-in-charge. Make: Hensel Cat No. KF 1616 G or equivalent model of makes as mentioned in "List of Makes" of Particular Specification of the Tender Documents.. Note : MCB 6 Amps measured and paid sepreately under relevant Item.

Material and Labour Single pole and neutral enclouser with a two pin and earth plug and socket complete with double pole MCB upto 20 Amps concealed in wall and making good to disturbed surface with plaster work, complete all as per specified and as directed by Engineer-in-charge.

M&L for preparation of old painted surface, removing of rust from any kind of steel surface clamp etc for any description and appyling one coat of synthetic enamel paint over a coat of red oxide zinc chromate primer, complete all as per specified and as directed by Engineer-in-charge.

S&F in repairs DIN Mounted whole current operated meters single phase 60A, two module with accuracy class 1.0 capable for monitoring electrical parameters, complete all as per specified and as directed by Engineer-in-charge. Make- LK, Model WD401010OOOO or with similar Specification model of LEGRAND/SIMENS/C&S/Havells.

S&F in repairs DIN Mounted whole current operated meters three phase 80A, five module with accuracy class 1.0 capable for monitoring electrical parameters, complete all as per specified and as directed by Engineer-in-charge. Make- LK, Model WD402010OOOO or with similar Specification model of LEGRAND/SIMENS/C&S/Havells.

Darjeeling Enterprises (BID ID -3436088)

BIMAL BHATTRAI (BID ID -3436042)

SANJAY KAUSHIK (BID ID -3436171)

TSHERING WANGYAL BHUTIA (BID ID -3435859)