Widening and Improvements to NH 45 A near Nandalar state border in Poovam village, Karaikal.

Amount

Excavation for roadway 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.

Construction of granular sub-base by providing close graded meterial, spreading in uniform layer with motor grader on prepared surface, by mixing place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - By mix in place method - For grading II 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 layers with paver in sub-base / base course on well prepared surface and compacting with smooth 3 wheeled steel roller to achieve the desired density (As per MoRTH specification, 4th Revision)

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 dense graded bituminous macadam with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminouse binder @ 4.0 to 4.5 per cent by weight of total mix and filler, tranporting 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 achive the desired compaction as per Clause 507 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II materials.

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

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.

Providing and laying of hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 250gms per sqm area, thickness of 2.5mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes.

Providing and fixing of 3M make reflective road studs of category “A” raised pavements markers made out polycarbonite/ABS moulded body and reflective panels with retro reflective micro prismatic tough poly carbonate lens capable of providing total internal reflection of the light entering the lens face with retro reflectivity and chromaticity values conforming to ASTM D4280. The reflective raised pavements markers shall also confirm the length, height and width of the body shall not be less than 100mm, 15mm and 90mm and base of marker shall be flat with in 1.3mm (3M equivalent). The marker shall withstand a load of 13635 Kg tested in accordance with ASTM D4280 lenses shall be moulded of polycarbonate or methyl methacrylate conforming ASTM D788. The area of each retro reflective surface shall not be less than 13.0 Sq cm. The slope or retro reflectivity surface shall be 35+5 degree to base. Each reflector shall have a CII not less than values specified in table 1 of said MoRTH circular and two cylindrical polymer shanks not less than 20mm diameter and not less than 30 mm length shall be provided for better anchorage with bituminous grout or epoxy mortar all as per the latest MoRTH circular

Supplying and installation of delineators (road way indicators, hazard markers,object markers),80-100cm high above ground level,painted black and white in 15cm widestrips, fitted with 80X100 mm rectangular or 75mm dia circular reflectorised panelsat the top, buried or pressed into the ground and conforming to IRC:79