Improvements to the Vellavari veethi from Nerupu Thidal to NH-66, Thindivanam, Puducherry

Amount

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar

Centering and shuttering including struttings, propping etc. and removal of form work for foundations, footings , bases for columns.

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work , using cement content as per approved design mix , manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads , having continuous agitated mixer , manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering , shuttering , finishing and reinforcement including cost of admixtures in recommended proportions as per IS : 9103 to accelerate / retard setting of concrete , improve workability without impairing strenghth and durability - Note :- Cement content considered in this item is @ 330 kg / cum. Excess / less cement used as per design mix is payable / recoverable separately - All work upto plinth level and lead upto 10km radius

Extra for providing richer mixes at all floor levels - Note:- Excess / less cement over the specified cement content used is payable / recoverable separately - Providing M-30 grade concrete instead of M-25 grade BMC / RMC . (Note:- cement content considered in M-30 is @ 340 kg / cum)

Add for using extra cement in the items of design mix over and above the specified cement content therein

Finishing the top surface of the concrete smooth with power trowelling including floor hardener at the rate of 4kg/sqm and roughening the surface with steel wire brush in straight direction perpendicular to the road as directed by the Engineer-in-charge. The rate is inclusive of all machineries, labour and all taxes etc., complete

Cutting shrinkage joints 4mm X 15mm at centre of road and transverse joints between 2 to 3 m c/c as directed by the Engineer-in- charge. The rate is inclusive of all machineries, labour and all taxes etc., complete.

Steel reinforcement for R.C.C. works including bending, binding and placing in position - Thermo Mechanical Treated Bars (TISCON / VIZAG / IISCO / SAIL/JSW) Fe - 415 or more

Providing and fixing in position 12 mm thick bitumen impregnated fibre board conforming to IS : 1838 , including cost of primer , sealing compound in expansion joints

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Raising of various types of manholes and flushing tank by cutting alround the manhole cover, removing the frame and cover from the manhole by cutting the B.T., W.B.M., surface, raising the manhole to the required height with brick work in cement motar 1:4 (One cement and four sand), refixing the frame in position by laying cement concrete 1:1.5:3 (One cement one and half sand and three 20mm HBG metal) including curing, but excluding the cost of reinforcement, finishing the top, inside and outside plastering with 20mm thick in cement mortar 1:3(one cement three sand), the rate includes all materials, providing barricading,caution board, watch and ward etc.,complete till the completion of work with minimum hindrance to the traffic.- 30cm height.

Raising of intercepting chamber by dismantling the old R.C.C. slab, removing the I.C. cover and frame from the chamber and raising the chamber height with brick work in cement mortar 1:4 (one cement and four sand), refixing the frame in position by laying reinfoced cement concrete 1:1.5:3 (One cement one and half sand and three HBG metal) including curing but excluding the cost of reinforcement, finishing the top, inside and outside plastering with 20mm thick in cement mortar 1:3(one cement three sand), the rate includes all materials, providing barricading,caution board, watch and ward etc.,complete till the completion of work with minimum hindrance to the traffic.- 30cm height.

Disposal of unserviceable materials like debris, scarified road material building material etc from the site within an average lead upto 10 km. The rate including incidental charges and loading charges on the PWD yard/ road side low lying area etc., as directed by the Engineer in charge. ( The disposal point should be identified by the contractor itself)

A KRISHNAN

MKM Constructions