CONSTRUCTION AND DEVELOPMENT WORK OF ROADS AND INTERSECTIONS OF ROUNDABOUT (GOL CHAURAHA) LOCATED AT MADHUBAN BAPUDHAM SCHEME.

Part -A (Conc. of Roads) Earthwork in excavation by mechanical mens (Hydraulic excavator)/ manual means over areas(exceeding 30cm in depth, 1.5m width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50m and lift upto 1.5m, as directed by engineer-in-charge).(177.50X0.762=135.25+3% of 135.25=139.31) DSR2023/2.6.1 (Rates factored as per govt gudlines)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering-All work upto plinth level:1:4:8 derived from natural sources : 8 graded stone aggregate 40mm nominal size derived from natural sources(6812.00X0.762=5190.74+3%of 5190.74=5346.46)DSR-2023/4.1.8 (Rates factored as per govt gudlines)

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).(10117.60X0.762=7709.61+3%of 7709.61=7940.90) DSR 2023/ 16.69(Rates factored as per govt gudlines

Finishing wall with weather coat by premium acrylic exterior paint applied @ 3.28 ltr/10 sqm(Asian or berger brand) of approved make and quality on wall with two or more coat to give an even shade including a priming coat with cement primer of approved brand and manufacturer exterior primer applied @2.20 kg/10 sqm after thoroughly brushing the surface free from mortar droppping and other foreign matters and sand papered smooth including supplying of all materials, labour, tools and plants etc. required for proper completion of the work.(160.60X0.762=122.38+3%of122.38=126.05)DSR -2023/13.46.1 (Rates factored as per govt gudlines)

Providing, laying and making kerb channel 30 cm wide and 50 mm thick with cement concrete 1:3:6 (1 cement: 3 coarse sand:6 graded stone aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including finishing the top smooth etc. complete and as per direction of Engineer-in-charge.(558.30X0.762=425.42+3%of425.42=438.19)DSR 2023/ 16.63(Rates factored as per govt gudlines)

Providing and fixing 10x10x7.50 cm Granite stone block hand cut and chisel dressed on top, for paving in floors, drains etc. laid over 20mm thick base mortar 1:4 (1 cement : 4 coarse sand) with joints 10mm wide filled with same mortar including ruled pointing etc. complete as per direction of engineer-in-charge.(2189.15X0.762=1668.13+3%of1668.13=1718.18)DSR 2023/ 16.92 (Rates factored as per govt gudlines)

Providing and applying 2.5 mm thick road marking strips (retroreflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in charge and accordance with applicable specifications(747.80X0.762=569.82+3%of569.82=586.92.DSR 2023/ 16.62 (Rates factored as per govt gudlines)

Providing and fixing Glow studs of size 100x20 mm made of heavy(206.30X0.762=157.20+3%of 157.20=161.92 duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/-5) degress to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge.DSR 2023/ 16.50 (Rates factored as per govt gudlines)

Precasting and placing in position 125 mm dia Bollards 600 mm high of required shape including providing M.S. Pipe Sleeve 50 mm dia 300 mm long in the Bollard and M.S. Pipes 40 mm dia and 450mm long with 150x150x6mm M.S. plate welded at bottom and embedded 150mm in cement concrete 1:3:6 (1 Cement : 3 manufactured sand derived from Recycled Concrete Aggregate Recycled Concrete Aggregate (RCA) : 6 graded stone aggregate 20 mm nominal size (Recycled Concrete Aggregate (RCA)), including necessary excavation of size 250x250x450mm deep for the same in bitumen/ concrete pavement at specified spacing(900.15X0.762=685.91+3%of685.92=706.49)

Applying stamping finish to the top surface of freshly laid plain/reinforced cement concrete of specified grade in porticos, sidewalks, driveways, pool decks and open yards as per direction of the Engineer-in-Charge.The process shall include the following:-• The concrete shall be placed and screeded to the finished grade, and floated to a uniform surface by using standard finishing techniques. The approved color hardener @ 2.7 kg/sqm shall be applied evenly to the surface of the fresh concrete by the dry shake method by sprinkling in two or more shakes, floated after each shake and trowelled only after the final floating. The approved release agent @ 0.113 kg/sqm shall be applied evenly to the trowelled surface before stamping or the said release agent can be applied to the flexible polyurethane stamp moulds of approved design and in required sizes to achieve final stamped pattern. These stampings shall be placed on the surface of concrete in three to four pieces at a time and tapped gently with rammers of sufficient size & weight to leave proper stamp marks and the process repeated for the remaining concrete surface till the whole surface to be stamped is completed within the time while concrete is in plastic stage of setting.• After stamping, the curing shall be done as per manufactures specifications. After initial curing the imprinted joints shall be grouted using cement slurry mixed with color hardener as per the requirement.The surface shall be sealed by applying acrylic based sealer not less than 0.167 litre/sqm.on finished surface.• The construction joints shall be provided by groove cutting of size 4 mm x 20 mm in panel size 3m x 3 m or lesser as per the site conditions and filling the same with 10 mm baker rod and providing and laying (PU) Polyurethane based joint sealer of approved make as per manufacturer’s specifications and finished by applying Polyurethane resin based top protective clear coat of minimum 80 micron applied with rollers on properly cured and dry clean surface. (Cost of concrete for flooring is not included in this item which shall be paid separately.) (DSR Item No.26.83/2023)(762.5X0.762= 581.02+3%of581.02=598.45)