REPAIR / MAINT / IMPROVEMENT OF SERVICE CONNECTION AND POWER DISTRIBUTION SYSTEM AND ALLIED WORKS AT LEBONG UNDER AGE(I) DARJEELING

Amount

Supply, install, commissioning and testing in repairs cubical type CPRI approved factory made outdoor type LT panel board floor mounted, dust & vermin proof with front & back operable doors and necessary locking arrangement incl addl hasbolt made out of suitable MS angle iron frame work, CRCA sheet of 3.15 mm thick and continuous welding and painted with powder coated paint. The panel shall suitable for 415 Volts, 50 HZ, 3 Phase 4 wire system with 4 Nos 500 Amps rated Aluminium bus bar duly mounted on hygroscopic insulator and connection of all accessories with suitable size PVC insulated copper conductor, thimbles, glands, separator etc for internal connections and the panel shall mounted on suitable MS angle iron base frame and legs, complete all as specified and directed. Notes: Drawing & design as per CPRI norms shall be approved from AGE (I). (ii) PCC shall be measured and paid separately. (iii) Certificate from panel builder shall be submitted to the department]

INCOMING MCCB 250 Amp, 4 Pole , 415 Volts rating with,Adjustable Over load setting (Breaking capacity 36 KA) Ics=100% of Icu. Legrand Cat no 422049 - 01 No

LED panel indicator lamps (RYB) with bakelite fuse grip - 2 Sets

OUTGOING MCCB 160 Amp, 4 Pole , 415 Volts rating with Adjustable setting (Breaking capacity 25 KA), - 01 Nos

MCCB 125 Amp, 4 Pole , 415 Volts rating with Adjustable Thermal Magnetic Release (Breaking capacity 25 KA) - 01 No

MCCB 100 Amp, 4 Pole , 415 Volts rating with Adjustable Thermal Magnetic Release (Breaking capacity 25 KA) - 02 Nos

Supply, lay, commissioning and testing of cable jointing Kit for 1100 V grade cable for outdoor End termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 25 to 50 Sqmm, complete all as specified and directed.

Supply and jointing as in repair straight through joint, outdoor type 1100 Volts grade , heat shrinkable type suitable for 3.5 Core, 25 Sqmm to 50 Sqmm LT XLPE Cable and testing after jointing, complete all as specified and directed.

Supply and jointing as in repair straight through joint, outdoor type 1100 Volts grade , heat shrinkable type suitable for 3.5 Core, 70 Sqmm to 150 Sqmm LT XLPE Cable and testing after jointing, complete all as specified and directed.

S&F in repairs PVC insulated FRLS copper conductor cable 16 Sqmm two core PVC sheathed multistranded, complete all as specified and directed.

M&L for sfifting and installation Battery charger panel and Battery bank consisting of 55 nos 2 volt battery not more than 20m in distance incl all alled works, complete all as specified and directed.

M&L for sfifting and installation of LT pole 9m not more than 20m in distance incl all alled works excavation, r filling, removing, pcc etc., complete all as specified and as directed.

M&L for hardcore using broken stone or boulders of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, complete all as specified and directed.

M&L for 100 mm thick plain cement concrete(1:2:4), type B-2 (40 mm graded stone aggregate) as in floor, hard standing, path etc including finish the surface even and fair without using extra cement, complete all as specified and directed.

S&F of rolled mild steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240, complete all as specified and directed.

S&F of pre-painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws, all as specified and directed.

M&L for mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 15cm and n exc 22.5cm long and diameter of neck 16 to 20 mm, all as specified and directed. .

M&L for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed.

Excavation in post holes (or similar holes) in hard rock, each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n exc 50 m and making good surface, complete all as specified and directed.

Demolition of lime concrete in ground floors and pavings not exc 15 cm thickness (below or above ground level), complete all as specified and directed.

M&L for plain cement concrete (1:3:6), type C2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and as directed.

M&L for 75 mm thick plain cement concrete(1:3:6), type C2 (40 mm graded stone aggregate) as in plinth protection, hard standing, path etc including finish the surface even and smooth without using extra cement, complete all as specified and directed.

M&L for plain cement concrete (1:4:8) type D-2 using 40mm graded crushed stone aggregate as in foundation filling and mass concrete, complete all as specified and as directed.

M&L for screed bed or bedding layer of mortar 15 mm thick for laying floor finishes in cement mortar (1:6), complete all as specified and directed.

M&L for chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and no pigments, complete all as specified and directed.

Material and labour for earthing complete with Copper earth plate electrode 600 x 600 x 3.15 mm thick buried directly in ground ( earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level, connected to Copper Strip 20x3mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Part I including necessary excavation and earth work PCC (1:3:6) type C-1 with 50 mm thick RCC (1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar) including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (medium grade) wire mesh, lugs, complete in all respect, GI earth strip protected by 40 mm bore (light grade) galvanized iron pipe and other end connected with main switch board or earthing test point as directed including proper lugs, including disposal of soil to a distance not exceeding 50 m and necessary testing on completion, complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to galvanized iron strip 32 x 6 mm as earthing lead by mean of nut/bolt and washer of galvanized iron or steel as shown in electrical plate no 5 of Sl part I including necessary excavation and earth work GI pipe 40mm dia light grade for watering and GI 15mm dia light grade pipe for protection of GI earth wire etc, PCC chamber with PCC cover in cement concrete (1:2:4) Type B1 (20mm graded aggregate), funnel, wire mesh, charcoal dust, salt etc, connected to HT/LT poles/panel board as indicated including testing on completion, complete all as specified and directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.

TSHERING WANGYAL BHUTIA (BID ID -3123867)

Damdoo Bhutia (BID ID -3124694)

SANJAY KAUSHIK (BID ID -3124243)

HIRA SINGH (BID ID -3128556)