Reconstruction work of Damaged Road surface in NH-72 (A) which was Damaged By Different Department under Deposit work.(km 37 to km 41) (Both side) District-Dehradun in The State of Uttarakhand

Excavation in Soil by Manual Means. (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 upto1000 metres.)

By Mix in Place Method (Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401) for grading- II Material

Wet Mix Macadam laying Using Mechanical Paver ( 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 subbase / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Dense Graded Bituminous Macadam Grading-II (Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 per cent by weight of total 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 MoRTH specification clause No. 505 complete in all respects.)

Bituminous Concrete Grading -II (Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 per cent 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 MORTH specification clause No. 507 complete in all respects)

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M15.

Providing and Laying of Interlocking Concrete Block (M-35) Pavements having thickness 80 mm as per drawings and Technical Specification Clause 1504.

Road Studs / Cat Eye: Providing and fixing of single mould twin shank reflective road studs of ‘category A’ Raised pavement markers made out of poly carbonate/ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face with retro reflectance and chromaticity values shall be as given in the detailed specifications and the product shall conform to ASTM D4280. The raised pavement marker shall also meet all the testing conditions of ASTM D4280 and fixed to the road surface using the adhesive recommended by the manufacturer. Two cylindrical Polymer Shanks of not less than 20 mm diameter and not less than 30 mm length shall be molded in the RPM body. The reflective raised pavement markers shall also confirm to the MORTH circular No RW / NH. 33023/10/ 97-DO.III and the length ,height and width of the body shall not be less than 100 mm, 15 mm and 90 mm and base of marker shall be flat within 1.3 mm and outermost faces of configuration of marker shall not deviate more than 1.3 mm from a flat surface. The marker shall support a load of 13635 Kg tested in accordance with ASTM D4280. The marker shall withstand flexural strength of 909 kgf force in accordance with ASTM D4280. Marker lenses shall be moulded of Polycarbonate or methyl methecrylate conforming to ASTM D788. The area of each retro reflectory surface shall not be less than 13.0 sq.cm. The slope or retro – reflectory surface shall be 35 + 5 degree to base. Eachreflector shall have a CIL not less than values specified in table 1 ofMORTH Section 800 page no. 353 and should accompany two year warranty for satisfactory field performance from the manufacturer.

Solar Road Studs: Providing and fixing Solar Powered Road Studs (Rectangular) of size not less than 100mm x 100 mm x 10 mm or (Circular) of dia 130+/- 6mm and height 30 +/- 2mm (with 8 super bright LEDs for long visibility from distance greater than 800 m) having twin shank and body made of aluminium alloy and poly carbonate material which shall be absolutely weather resistant and strong enough to support a load of 13635 kg tested in accordance with ASTM D 4280 and water resistance as per IP 65 in accordance with IS 12063:1987, fixed to the road surface using adhesives and the procedurerecommended by the manufacturer as per Clause No. 804.6 and 804.7 of MORTH specifications

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

Rumble Strips Provision of rumble strips of premix bituminous carpet, 25 mm high at centre, 300 mm wide placed at 1 m centre-to-centre at approved locations to control speed, marked with white strips of road marking paint

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