Providing and fixing 8 Metre height Roof Top Pole Three legged at Charadih Koderma OA Hazaribag

Amount

S.H. RCC WORK

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

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III)derived from natural sources : 3 graded stone aggregate 20 mm nominal sizederived from natural sources).

Centering 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

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

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

S.H. STEEL WORK

Welding by gas or electric plant including trnsportation of plant at site etc. Complete.

Steel work welded in built up sections trusses, framed work / cable tray / cable runner / vertical supporting post of cable runner as per approved drawing and as per direction of Engineer - in charge including priming coat with fixing in position by hoisting at any height complete for horizontal feeder / ertical cable run way . (Note :- The slope of horizontal cable tray should be downward from BTS room / shelter towards tower to prevent the seepage of water inside BTS room).

In gratings, frames, guard bar, ladder, railings, brackets, gates

Supplying at site galvanised steel pipe pole materials consisting of M.S. Pipe (medium quality), angle, flat, bars gusset plates, climbing ladders, vertical and horizontal cable carrying ladder, antenna fixtures, base plates, connecting plates etc. all fabricated including cutting, drilling holes and welding etc. as per approval drawing for erection of roof top pole / tower. The structural steel for tower shall confirm to IS : 2062-1992 I.S. 1363-1992 & I.S : 12427 and fabrication shall be as per IS : 4757 . The structural steel section produced by only main producers like SAIL, RINL, TISCO, JINDAL shall be used for fabrication of tower material. The rate shall include cost of all material , labours, tools, plants & machineries and carrying the materials to the site including loading and unloading, shorting and stacking at ground floor for all leads, taxes, duties and ancillary work in handling of the pole materials.

Supplying anchor bolts & nuts for fixing at base of tower manufatured from 20 mm dia mild steel bar of required length as per structural drawing conforming to IS 2062 threaded at top up to 150 mm length and welded with lugs made from 100 mm x 100mm x 10 mm thick mild steel plate at 50 mm from bottom & other lugs as per structural drawing including suitable hexagonal nuts 2 nos ( Nut & check nut ) and MS spring washers etc. all complete as per direction of Engineer-in-charge . Rate including the cost of the materials, all taxes & carriage at site i.e at top of roof.

Labour for fixing anchore bolts of 20 mm diameter 4 Nos. in each column ( Total 12 Nos.) with template , anchor bolts and nuts in proper line & plumb and maintaining centre to centre distance for anchor bolts in each leg during RCC at column for 3.00 Metre height roof top pole as per drawing & as per direction of Engineer -in- charge.

Labour for lifting , hoisting and erection of poles (PIPE) above roof top (G+6) height on pedestal columns including fixing the poles with the mumty room as per departmental drawing and design with all its necessary components viz fixing of Antenna mounting at proper height with bolts , nuts, spring washers, complete in all respects as per direction of the Engineer-in-Charge . (Note : Rate includes cost of all operations involve in hoisting and erection of poles / tower including lifting of materials from ground to terrace, hire and labour charges of tools, plants and machineries , fixing of members with plates, nuts, bolts, washer and welding wherever required, life jackets, safety belts, helmet and all other necessary safety devices etc. and nothing will be paid extra on this account.

S.H: FINISHING

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

Two or more coats on new work.

Painting two or more coats for 3.00 metre Roof Top Pole with high gloss synthetic enamal paint of approved brand and colours (white and internation orange) over one coat of ETCH primer and second coat of zinc choromate yellow primer of approved brand as per recommendation of international civil aviation rules in galvanised 3.00 metre RTP including all components i.e ladder, antenna mount fixture etc. ( Rate including cost of labours, materials , preparation of surface, tools and plants, saftety belts, jackets , helmets and all other necessary safety devices including insurance premium etc. and nothing will be paid etra on this account ) .

S.H: DISMANTLING & DEMOLISHING

Chieselling of roof surface / cutting of RCC column up to required depth for welding of column dowel bars for all 3 Nos legs of RTP consisting 18 Nos main reinforcement with existing roof reinforecement and welding of pole tower member with reinforcement of existing column through cleat / angle / flats etc. Exposed chieselling surface shall be covered with cement concrete with 1:1.5:3 ( 1 cement :1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size ) and complete as per the direction of Engineer -In-Charge . ( Welding charges, steel members and cement concrete work will be paid separately )

NARESH PRASAD SAHU (BID ID -879770)