Improvements to the various roads of Thattanchavady Indira Nagar and Kadirkamam Constituencies in Puducherry

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms , lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m -All kinds of soil.

Supplying and filling in plinth with river sand under floors including, watering, ramming consolidating and dressing complete.

Excavation for road way in soil using manual means including loading in truck for carrying of cut earth to embankment site with all lifts and lead upto 1000 metres.

Scarifying the existing bituminous surfaceto a depth of 50mm and disposal of scarified material within all lifts and lead upto 1000 metres - by mechanical means.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

Providing and laying lean reinforced cement concrete pavement over existing concrete base/prepared base with M30 grade concrete with minimum cement content of 405 kg /cum and maximum size of coarse aggregate not exceeding 20mm mixed with super plasticizer at 200ml per bag of cement to improve workability without impairing strength and durability mixed in weight batching plant as per approved mix design,transporting to site, laying, compacting with vibrators and including finishing the top surface smooth with power trowel, with floor hardner sprinkled @ 4Kg/sqm, roughening the surface with steel wire brush in straight direction perpendicular to road. The rate is inclusive of cutting longitudinal joint of size 4mm x15mm at centre of the road and traverse joints between 2 to 3m centre to centre (the rate is exclusive of cost of reinforcements, centering and bituminous pad at expansion joints) Note : Cement content considered in this item is @ 405Kg/cum. Excess /less cement used as per design mix is payable/recoverable separately – upto plinth level.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

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 upto floor five level, excluding the cost of centring, shuttering and finishing:1:3:6 (1 cement : 3 coarse sand :6 graded stone aggregate 20mm nominal size)

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

Centering and shuttering including struttings, propping etc. and removal of form work for - Retaining walls , return walls, walls (any thickness) including attached pilasters, buttresses plinth and string courses fillets kerbs and steps etc

Providing , hoisting and fixing upto plinth level for precast reinfroced cement concrete slabs for drain cover slabs of length varying upto 1.50 m of various thickness including the cost of required centring, shuttenring and finishing smooth with 6 mm thick cement plaster 1:3 (1 cement 3 fine sand ) on all faces of slabs but exculding cost of reinforcement with 1:1 1/2:3 (one cment, one and a half coarse sand three graded stone aggregate of 20 mm nominal size)

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

Steel work welded in built up sections / framed work , including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required - in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate ) finished with a floating coat of neat cement including cement slurry, but excluding the cost of nosing of steps etc. complete. 40mm thick with 20mm nominal size stone aggregate

6mm cement plaster of mix - 1:3 (1cement : 3 fine sand)

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 cement concrete manually/ by mechanical means including disposal of material within 50 metres lead Nominal concrete - 1:4:8 or leaner mix (including equivalent design mix)

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead.

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

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M-30 grade made by block making machine with strong vibratory compaction and of approved size and design / shape laid in required colour and pattern over and including 50mm thick compacted bed of course sand , filling the joints with coarse sand etc. all complete

Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damages as required (raising depth of manhole to be paid separately) - rectangular manhole 120x90 cm with circular cover 500 mm dia of grade MD -10

Scarifying the existing granular road surface to a depth of 50mm and disposal of scarified material within all lifts and leads upto 1000 metres - by manual means

Excavation for roadway in soil by mechanical means including cutting and pushing the earth to site of mbankment upto a distance of 100 metres (average lead 50 metres) including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections

Removal of unserviceable soil including excavation, loading and disposal upto 1000m lead but excluding replacement by suitable soil which shall be paid separately as per Clause 305

Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401of MoRTH specification, 4th Revision - by plant mix method for grading I material.

Providing,laying , spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site , laying in uniform layer by manual means in sub-base / base course on well prepared surface and compacting with smooth 3 wheeled steel roller to achieve the desired density.

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means. (As per MoRTH specification, 4th Revision)

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg. per sqm. on the prepared bituminous / granular surface cleaned with mechanical broom. (As per MoRTH specification, 4th Revision)

Providing and laying bituminous macadam with hot mix plant of capacity not less than 40 -60 TPH using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 507.7 of MoRTH specification, 4th Revision, to achieve the desired compaction. - using grade II metal and bitumen 60/70 grade.

Providing and laying bituminous concrete with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per clause 509 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II material.-Bitumen 60/70

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.

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.

Hire chargs for engaging front end loader of 1cum capacity for cleaning and levelling the road premises. The rate shall include the hire charges of machinery, operating staff and cleaner salaries, fuel charges, lubricants etc., complete as directed by the Engineer-in-charge.(b) during day time.

K ARUNAGIRI & SONS

K Nakiran