Improvements to the link road connecting ECR and Vinoba Nagar (via Blaize nagar) in Thattanchavady Constituency).

Amount

Code No. 2.8.1 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.

Code No. 4.1.3 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Code No. 4.1.5 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Code No. 4.1.10 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plinth level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

Code No. 4.3.1 Centring and shuttering including strutting, propping etc. and removal of form work for - foundations, footings, bases for columns.

Code No. 10.25.1 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 stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required all complete.

Code No. 11.3.1 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.

Code No. 13.16.1 6mm cement plaster of mix - 1:3 (1cement : 3 fine sand)

Code No. 15.2.1 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)

Code No. 15.3 Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead.

Code No.19.26.3 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 560mm dia of grade HD -20.

Code No.32.50.1B 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.

Code No.5.2 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)

Code No.5.3B 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

Code No.5.5 Providing, laying and rolling of built-up spray grout layer over prepared base consisting of a two layer composite construction of compacted crushed coarse aggregates using motor grader for aggregates. Key stone chips spreader may be used with application of bituminous binder after each layer and with key aggregates placed on top of the second layer to serve as a base conforming to the line, grades and cross-section specified ,the compacted layer thickness being 75mm. (As per MoRTH specification, 4th Revision

Code No.5.7B Providing and laying semi-dense bituminous concrete with HMP of capacity not less than 40 - 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5 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 508 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II material and using birumen 60/70 grade.

Code No.6.1.MO Cleaning the existing W.B.M. road surface including removing of binding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 502.4.2 and 503.3.1 of MOST specification.

Code No.6.2.MO Cleaning of the existing black topped surfaces with brooms, soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 503.3.1 of MOST specification.

Code No.6.5F.1.MO Providing and applying tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 10kg/10sqm.

Code No.NPSR (SE approved rate) Fabrication, supply and fixing of village/informatory name board of size 1.06mts x 0.61mts. The width of the board is tapered at 0.80mts upto 1.06mts to give the triangular shape at one end with high intensity reflective sheeting of required color encapsulation on aluminium sheet of not less than 2mm thick suitably supported and framed with 25mmx 25mmx 3mm AISI 316 grade stainless steel angle and the board frame is supported alround with AISI 316 grade stainless steel pipe of 38.10mm dia (outer dia & 2mm wall thickness). The Village names/street names, lettering and symbols will be provided by High Intensity grade white sheeting. The board is supported by Two Nos. of 63.5mm dia post S.S pipes for 2.0mts height with same dia Dummy plate arrangement at the top. The board frame and post pipes are welded by Tig welding with necessary polishing etc, and M.S pipe of 50mm dia for a length of 35cm will be welded at the bottom of the posts and fixed in a ground pit of size 0.45x045x0.50mts with P.C.C 1:2:4. Rate including all the materials, S.S welding, Grinding, Polishing, fabrication charges, conveyance etc except Earth work and P.C.C charges, complete.

R Palanidoss

P Baskaran