Erection of 3 Nos. 12 Mtrs Roof Top MARR Masts at NGO Colony, Nellore.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

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

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutment, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets etc. upto floor five level excluding the cost of centring, shuttering and finishing.

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

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

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

Finishing walls with Acrylic Smooth exterior paint of required shade :

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

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.

Mechanical transportation of MARR Masts with angles, tubes, bolts and nuts including all connecting members including loading, unloading and stacking at site from specified place to place of work/stores and specified lead upto Floor five level complete as per directions of the Engineer in charge. (Nothing extra shall be paid over and above the rate on any account).

Erection of 12 M MARR Masts upto floor 5 level with angles, tubes and bolts and nuts including lifting up to terrace of floor 5 level (Masts material will be supplied departmentally). The item rate includes straightening and resizing segments, flanges, segments, welding if any etc. hire charges of ropes, pulleys, helmets and any other materials under safety measures for the labourers engaged for the erection Masts. The department at no cost is responsible for accidents damages etc. during or after execution of the work. the work should be carried out as per the directions of the Engineer-in-charge.

Supplying of galvanised high tension grip bolts and nuts of grade 5.6 and of required size minimum mass of galvanised coating not less than 610 gms per sqm on bolts and nuts and other fasteners etc., (Galvanisation shall be hot dipped as per IS : 1759 standard / Zinc galvanising should be conform to IS :13229-1991 or IS 209-1992.)

Supplying and erection of communication tower / gantry or any other member of communication steel tower of any height with required galvanised structural steel members : (i) The structural steel members of built-up sections shall be of structural grade 'A' as per IS 2062 / IS 226 and IS 808, the tubular sections shall conform to IS 1161 and bolts and nuts should be of grade 4.6

(ii) Galvanisation of thickness not less than 120 microns on MS any mild steel members of the tower including nuts and bolts (Galvanisation shall be hot dipped as per IS:4759, Standard Zinc for galvanising should conform to IS 13229-1991 or IS 209 (1992). The item shall be executed as per the directions of the Engineer-in-charge.

Drilling of holes and anchoring in RCC / brick / cement concrte flooring using power driller by the specialised agency as per specified size to required expansion hold fasteners including cleaning, supplying and fixing GI anchor bolts at the specified holes in RCC / Cement concrete / brick flooring all complete as directed by the Engineer in charge.

Supplying and fixing of 10mm MS stay wire including supplying and fixing of necessary clamp arrangements for tightening and anchoring to the base plates / anchor fastners as required at all floor levels etc., all complete as per directions of the Engineer in charge.

TOTAL

1. यदि किसी भी दर को रिक्त छोड़ दिया जाता है, तो वह "शून्य" माना जाएगा. 1. If any cells (Rates) left Blank, then the same will be treated as "Zero".

CONTRACTOR

BSNL Civil Division,TIRUPATI