NIT No. 16/2021-22/BSNL-CD/CK/SD-BLS

Amount

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.In cement mortar

In cement mortar

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) : 3 graded stone aggregate 20 mm nominal size)

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) : 3 graded stone aggregate 20 mm nominal size).

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).

Welding by gas or electric plant including transportation of plant at site etc. complete.

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm).

Making and supply of Anchor bolts for fixing base of tower manufactured from 20 mm to 32 mm diameter of EN-8 steel bar of required length in single piece confirming to IS : 2062-1999, threaded at top 200 mm length and bending at bottom as per approved drawing including suitable hexagonal nuts & check nuts and MS spring washers complete including approximately 85 micron galvanizing for top 200mm length as per IS : 4759-1996 as per approved drawing and directions of EIC. (The rate is inclusive of the cost of the materials, labour, all taxes as applicable and carriage, loading, unloading and stacking on site i.e. at top of roof.)

Labour charges for arranging and fixing the anchor bolts i/c nuts and base plate, template etc. in position with proper line and plumb and maintaining center to centre distance for anchor bolts as per drawing and direction of Engineer-In-charge.

Labour charge for lifting, hoisting, fixing and erection of 15 metre height Roof Top Tower at all levels as per Drawing and Design with all its necessary components viz climbing ladders, platforms with railings, web guides, racks, cable trays, fixing of Antenna mounts & fixtures at proper height etc. , placing of base plates and fixing with HD nuts & bolts, spring washers and welding as and where ever required complete in all respect as per direction of Engineer-in-charge (The rate is inclusive of all operation involved in lifting of material from ground to terrace i.e. roof of the building and mumty & hoisting, erection of tower & fixing with plates, nuts, bolts, spring washers & welding where ever required including hire and labour charges of tools, plants & machineries, insurance premium of labourers, life jackets, safety belts, helmets & all other necessary safety devices etc. and nothing will be paid extra on this account). The verticality of the errected tower on all sides shall be within 25mm (i.e. the bottom of the line joining the centre of the top of the tower and the centre of the base of the tower is within 25mm from the centre of the base of the tower) by taking all precautions against damage, accident, obtaining necessary insurance against all risk . The contractor will be held responsible for fulfilment & compliance of all the technical requirements of AT of the tower.

Painting two or more coat with high gloss synthetic enamel paint of approved brand , manufacture and colour (International white and orange) over a coat of Zinc Chromate yellow primer of approved brand and manufacture as per recommendation of the International Civil Aviation Rule on 15 metre height Galvanized structural steel roof top tower( all sides & all faces) including all components i.e. ladders, platforms with railings, web guides, racks,cable trays,Antenna mounts & fixtures etc. (The rate is inclusive of the cost of all materials, transportation and labour charges involve including lifting, preparation of surface, tools and plants, rope, hooks, safety measures required for safety of labourers & insurance premium of labourers etc.Nothing will be paid extra on this account).

Steel work welded in built up sections trusses, frame 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 and Two coats of synthetic enamel paint with fixing in position by hoisting at any height complete for horizontal feeder 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).

Transportation of dismantled tower materials from BSNL campus at Jajpur Road to Emami paper mill campus at Balasore including loading and unloading and sorting the tower members serially dimension wise and stacking at RTT site all complete as per the direction of Engineer-in-Charge.

Providing and fixing lightening Arrestor at the top of the tower (Lightening rod made of copper, with 12 mm dia and 600 mm length as per IS : 613 (2000)) with a spike on one end and threading on the other shall be provided on the top of the tower. Tin coated copper wire IS Mark of gauge 7/20 shall be provided from lower end of the lightening rod to the lug with a hole provided at 0.5m below the top of the tower as per approved design. The spike shall be insulated from tower by teflon materials as directed by the Engineer-in-charge.

Earthing with GI earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and 40 mm dia. G.I. watering pipe of 2.7 meter long etc. with charcoal/coke and salt as required all complete as per approved drawing and direction of the Engineer-in-charge.

Providing and fixing galvnised steel bolts including nuts and washers of approved quality in joints of tower members all complete as per direction of Engineer-in-charge .

Providing and fixing 25 mm X 5 mm GI strip on surface or in recess for connection etc. as required.

Providing and fixing LED aviation obstruction lamp of saraj, binay or equivalent on the top of the tower with light dependent resistance sensor (day and night automatic timer) switch with necessary MCB switches, cables clamps etc. all complete as per direction of Engineer-in-charge.

Providing and fixing sign board of size upto one sqm with Mild steel sheet of thickness 1mm and 40 x 40 x 6 mm angle iron frame supported with m.s sections as per approved design including painting of the board by two coats of synthetic enamel paint over a priming coat of zinc chromate yellow primer including lettering with paint of approved colour and pattern all completeas per the direction of Engineer-in-Charge.