Providing base and erection of 18 m high Roof Top Tower in NBSNL site at Kattur Trichy II Call

Amount

Demolishing R.C.C members like slabs, columns/stems, beams, mass concrete 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.

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineerin-charge.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by head load from the Second Floor level to the ground level, loading, transporting, unloading including all incidental charges to the approved municipal dumping ground or to the place as approved/directed by the Engineer-in-charge.

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

Thermo-Mechanically Treated bars.

Making 22mm dia Hole, Cleaning,Injecting FOSROC Lockfix S base and Lockfix S Filler (Polyester Resin Grouts) and fixing 16mm Rebar including men and mechinary.(Cost of FOSROC Lockfix S base and Lockfix S Filler and rebar will be paid separately).

Supplying FOSROC Lockfix S base and Lockfix S Filler (Polyester Resin Grouts) chemical foil and container at site .

Extra for welding of column reinforcements with the slab/beam reinforcements including mobilisation of welding plants, hire charges & all labour etc., complete all as durected by the Engineer-in-Charge.

Centring and shuttering including strutting, propping etc. and removal of form for :

Lintels, beams, plinth beams, girders, bressumers and cantilevers.

Columns, pillars, piers, abutments, posts and struts.

Reinforced cement concrete work in walls (any thickness), including attached pilasters,buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts amd struts etc. above plinth level up to floor five level, and excluding the cost of centring, shuttering, finishing and reinforcement :

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

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size).

Supplying Anchor bolts made up of EN-8 or Equivalent grade steel of required diamenter including threading for 150 nn length consisting of galvanised iron nuts, washers and spring washers of varying sizes at appropriate locations as directed by the Engineer in charge.

Labour charges for fixing anchor bolts using templates during laying stem/beam/base concrete including levelling and fixing properly as directed by the Engineer-in- charge. (Rate excluding the cost of anchor bolts) using proper templates.

Transportation of tower materials from the TANSI Store Compound, Kumbakonam to the NBSNL site @ Kattur including taking the weight of tower materials to the weigh bridge (both empty and tare weight), loading and unloading including handling charge etc. all complete as directed by the Engineer-in-charge.

Lifting of tower materials from the Ground level to the open terrace of the RTT site (height up to 20 metres) using cranes including handling charges, etc., complete as directed by the Engineer-in-charge.

Erection of three legged Roof Top angular light weight communication tower of 18 M height ( Approximate weight of 3000.00 to 3500.00 Kgs ) using available M.S hot dipped galvanised sections , including sorting, lifting, assembling, fitting and fixing up all tower members in position true to alignment , including hoisting and bolting with necessary bolts, nuts and washers , fixing of ladder, working platform, cable guide rack, pipes and for lightning arrestor at required level all complete as per the directions of the Engineer in charge , including providiing necessary safety precautions to protect human lives and structures nearby during the course of erection , insurance coverage to labourers and including all tools, plants , equipments , machinery required for works as per relevant I.S codes and specifications as directed by Engineer-in-charge (Proof of the Insurance coverage is to be submitted failing which Rs 10000/- will be deducted in the bill )

Rectification of tower sections by heating the members by striaghtening of bends, welding of broken members and straightening the joining plates to match the legs to their positions etc, all complete as directed by the Engineer-in-charge.

Supplying high tensile strength fasteners consisting of galvanised iron nuts, washers and spring washers of varying sizes at appropriate locations as directed by the Engineer in charge. (Item is meant for supplying missing bolts & nuts in the tower material supplied by the department fixing will be charged under erection of tower item. )

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

Finishing walls with Acrylic Smooth exterior paint of required shade :

Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface).

Painting with LOXOL High Gloss synthetic enamel paint or equivalent in one or more coats over a base coat of etching primer (Bison Wash primer or equivalent) and a coat of approved zinc chromate primer, wherever necessary.

Supplying and fixing LED aviation obstruction lamp of insta power/ GELTRONIX/ MICROTECH or equivalent of approved make as per ICAO norms with light dependent resistance sensor (Day light automatic timer) with necessary power cable , switch including fixtures all complete as directed by the Engineer in charge.

Single dome low intensity flashing Red obstacle lighting syatem -Type B mounted at 40 metres height.

THIRUMALAI G (BID ID -897510)