Replacement of 9 Nos 15 KVA Engine Alternator Set in different Telephone Exchanges under Andaman and Nicobar Circle. (SW. Pdg DG Earthing and allied works at TE Shibpur, R.K.Pur, Teressa and Radhanagar BTS ( Swarajdweep) of Andaman and Nicobar Islan

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.

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 existing 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

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.

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 x 25 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).

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) 40 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 ( 50 sq. mm (clamped with 35x5mm MS flat clamp)

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.

Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres.

Providing and laying in position cement concrete 1:3:6 (1 cement: 2 coarse sand : 6 graded stone aggregate 40 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Providing and laying in position cement concrete 1:2:4 (1 cement: 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Providing 15 mm thick cement plaster of mix 1:4 (1 cement : 4 fine sand) at all levels.

Centring and shuttering including strutting, propping etc. and removal of form for : Foundations, footings, bases of columns, etc. for mass concrete.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: Two or more coats on over an under coat of paint of approved brand and manufacture, suitable shade with ordinary paint of approved brand and manufacture. ( For the entire shed)

Supplying and fixing of following module, PVC enclosure along with modular base & cover plate for modular switch in recess etc as required (a) 3 module

Supplying and fixing following accessories in the existing Modular enclosure including connections etc as required a) 6/10 A 1 way modular switch

b) 10 A modular Socket Outlet

Dismantling the existing DG set from the foundation, including othe accessorties if available like oil tank, comntrol panel, connecting cables, exhaust pipe, earth connectors, complete including shifting the stacking at the degisnated location within 50mtr lead as per the direction of EIC.

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)