Providing Bed for Engine Alternator in NBSNL BTS site at Vivekananda nagar, Pattukkottai and Dismantling of 40 m high ground based tower and gantry at NBSNL site at Thopputhurai, Vedaranyam.

Amount

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) out the excavated soil and disposal of surplus excavated soil as directed, within a leadincluding dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting of 50 m.

All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by watering, lead up to 50 m and lift upto 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level:

1:4:8 ( 1 Cement: 4 M sand : 8 graded stone aggregate 40 mm nominal size)

1:2:4 ( 1 Cement: 2 M sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement - All work upto plinth level :

1:1.5:3 (1 cement: 1.5 M sand : 3 graded stone aggregate 20 mm nominal size)

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete.

Thermo-Mechanically Treated bars.

Half brick masonry with F.P.S. bricks of class designation 50 in foundation and plinth in:

Cement mortar 1:4 (1 cement : 4 M sand)

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.

12 mm cement plaster of mix:

1:6 (1 cement : 6 M sand)

6 mm cement plaster of mix :

1:3 (1 cement: 3 M sand)

Finishing walls with water proofing cement paint of required shade

New work (Two or more coats applied @ 3.84 kg/10 sqm).

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:

Two or more coats on new work

Dismantling of ground based 4 legged angled narrow based tower of 40 m height including ladders, cable racks, Lightening Arrestor, working platforms with railings, bolts, nuts and washers,including gantry leading to the room with posts supporting the gantry to be removed upto ground level including sorting the materials, numbering with marker or paint, stacking within a lead of 50m under the safe custody of the agency etc complete,necessary Tools and plants required including welding for cutting may be used and rates are inclusive , all works involved in dismantling of tower and stacking the materials at site of work as directed by Engineer-in-charge.

Transportation of tower materials from site of work NBSNL site Thopputhurai , Vedaranyam to the BSNL complex Compound stores at Balaji nagar Thanjavur including taking the weight of tower materials in weigh bridge (both empty and tare weight) sorting out of materials & Preparation of materials check list by the Technical person of the Agency, loading and unloading including handling charge etc. all complete as directed by the Engineer-in-charge.

Demolishing tower foundation R.C.C members like slabs, columns/stems, beams etc. by mechanical means such as power driller/Jack hammer /manually , taking out reinforcements including cutting, separating , cleaning and stacking at site collecting of rubbish for disposal all as per direction of Engineer - in- charge.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. A)Nominal concrete 1:3:6 or leaner mix (i/c equivalent design mix)

Clearing vegetaion/ climbers over tower and gantry, and at/near site of works including uprooting of rank vegetation and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Credit for unserviceable steel reinforcement /steel bars recovered from the demolished tower RCC foundation .

D.MURUGAN (BID ID -957724)