Special Maintenance of 24 M high Mast Towers (05 Nos) under BA Prayagraj

Amount

Sub-Head : Dismantling and Demolishing

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.

Sub-Head : Reinforced Cement Concrete

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

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 :

Foundations, footings, bases of columns, etc. for mass concrete

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

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

Sub-Head : Finishing

6 mm cement plaster of mix :

1:3 (1 cement: 3 fine sand)

Neat cement punning

MAINTENANCE OF TOWER

Making Necessary safety arrangement as per codal provisions for working labours, involved in maintenance of existing Tower & accessories for replacing the damaged or missing members , nuts , bolts and painting of tower including appropriate insurance of labour, all as per direction of Engineer in charge.

Mast Tower upto 24 Metre Height

Maintenance of tower by inspection of all nuts , bolts , platform , ladder for any defects, birds nest and any foreign materials and correction of same i/c checking and tightening of all the hardware & accessories of tower and replacing the damaged or missing nuts and bolts of tower as per codal provision and direction of Engineer in charge.

Mast Tower upto 24 Metre Height

Replacement of existing rusted / damaged /missing M.S.pipes/angle sections etc. by MS hollow circular pipe /angle sections etc. of exisiting tower having same size that has been already used, including welding of end plates of similar size and thickness , making necessary holes for nut-bolts to match with existing sections . all complete as per direction of Engineer in charge.

Credit to work old rusted members/nuts bolts etc.

Painting two or more coats with high gloss synthetic enamel paint of approved brand and colour (International white and orange ) over one coat of zinc chromate yellow primer or equivalent ) ( Note : the rate shall include cost of labour and material involved in painting of complete tower, platform etc

Mast Tower upto 24 Metre Height

AJAY KUMAR (BID ID -798677)