Pdg. Electrical infrastructure for BTS at Ograbraj, Ranchibasti and Manarghat-2 under Phase 9.2, Andaman and Nicobar Islands. (SW-Pdg EI for Manarghat-II BTS)

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with Galvanized Iron Earthing Electrode, 1 Metre Length and 40mm diametre, Contains 1 metre of GI Strip 32mm Size, Electrode filled with bentonite clay, and filling the pit with 25 Kg bentonite compound, etc, providing masonry enclosure with cover plate, complete as required. (As per RDSO specification)

Providing masonry enclosure with cover plate having locking arrangement and 40 mm dia GI watering pipe of 2.7 metre long for earthing pit, etc as required.

Providing and fixing of lightning conductor finial, made of 25 mm dia 300mm long, G.I. tube, having single prong at top, with 85mm dia 6mm thick G.I. base plate including holes etc. complete as required

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/ sweating and soldering etc as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required

SITC of LED type aviation light made of cast aluminum base, comprising of dome shaped, thick clear glass cover, cylindrical shaped, consist of LED lamps to give a light intensity not less than 10 candelas i/c S/F of power pack, with photo sensor for switching on and off, pdg necessary MS frame & tube for fixing the fitting on top of the tower, connection etc complete as reqd. (Make: BSNL approved make)

Supplying of PVC insulated and sheathed armoured 2 core 1.5 sq.mm copper conductor 1.1 KV grade cable and laying the same on surface or in recess as reqd.(BSNL approved make).

Supplying and making end termination with brass compression gland for PVC insulated and sheathed copper conductor cable of 1.1 KV grade of size 2 core 1.5 sq.mm as reqd.

Suppying and fixing of SMC energy meter box ( 650x350x250 mm ) on the surface of wall or frame with suitable nuts and bolts , and comprising of 3 nos 100A, procelain cutout fuse, interconnection, complete as reqd.

Wiring for circuit / submain wiring along with earth wire with the following sizes of PVC insulated copper conductor single core cable in surface/recessed PVC conduit as required. (4 x 10 Sq mm + 2 x 6 sq.mm)

Supplying and fixing of following ways surface/ recess mounting, Vertrical type, 415 volts, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCB's (but without MCB's and incomer ) as required .(Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.) = 4 way (4 + 12), double door

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole

Triple pole

Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required [100 amps]

Supplying and fixing rewireable type SFU, 63A, 415V, 50 Hz, with side handle operation, in SS enclosure, including connection etc. as required

Supplying and fixing 4 pole onload switch, 63A, 415V, 50 Hz, with side handle operation, in SS enclosure, including connection etc. as required

Supplying and making end termination with brass compression gland for PVC insulated and sheathed Alluminium conductor cable of 1.1 KV grade of size 3½ x25 sq.mm Al as reqd.

Supply and delivery of PVC insulated and sheathed armoured 3½ x25 sq.mm Al. armoured conductor, 1.1 KV grade cable as reqd.(ISI marked).

SITC of Feeder pillar of App : size (1100mmx650mmx250mm) for 415V, 50Hz, a.c.supply, fabricated by 16 SWG GI sheet and providing hinged type single door with double locking arrangement both with screw handle and pad lock provision, with sloping top, earthing studs,knockout holes on the bottom side for cable entry and M.S. angle iron on all sides for support and 4 nos angle iron at the bottom with leg of suitable size and length and fixing the same on floor through suitable fastner the feeder pillar shall comprise the following switch gears and accessories i/c inter connection complete as reqd.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/PVC pipe as required. (i) Upto 35 sq. Mm)

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching by breaking the concrete and re-filling/making good etc as required (40 mm)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required (Uto 35 sq. mm (clamped with 28x3mm MS flat clamp)

Pdg. CO2 type Fire Extinguisher of 4.5 KG capacity conforming to IS : 2878 made from seamless cylinder duly approved by Chief controller of explosive, Nagpur fitted with ISI marked control valve, high pressure 1 mtr long discharge hose and horn complete with initial gas charged with carrying handle and wall mounting bracket. (BSNL approved make)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete:

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge)0.50 mm + 0.05 %, total coated thickness with zinc coating 120 gsm as per IS: 277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

K. M. ENTERPRISE