National Highways And Infrastructure Development Corporation Limited Tender

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % 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 MoRT&H specification clause No. 509 complete in all respects) for Grading-II (bituminous binder @ 5.4 % of mix)

Construction of Shoulders Hard Shoulders :- Rate as applicable for sub-base and or base may be adopted as per approved design.Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular subbase by providing coarse 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)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface(Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)for grading- I Material

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 MoRT&H 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 ccordance 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. Each reflector shall have a CIL not less than values specified in table 1 of MoRT&H Section 800 page no. 353 and should accompany two year warranty for satisfactory field performance from the manufacturer.

Road Delineators Providing and fixing of Standard Metal Delineator consisting of minimum retro reflective unit exposed area of 330 sqcm, full cube corner micro prismatic non-metallic retro reflective sheeting on each side conforming with IRC 67 and meeting the coefficient of retro reflection values as per ASTM D 4956 Type XI table specification with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron. The posts shall have ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 anchored with PCC M- 15 onto the ground. The front and back faces of the delineator should be curved with a radius of not more than 200 mm and with delta angle (or central angle of curve) lying between 20o and 30 o, to increase the visibility of the delineator for vehicles moving in continuous curves. The delineator shall have sufficient arrangement to make the reflective sheets vandal-proof. Including all test report and warranties as per IRC 67 and IRC 79.

Direction and Place Identification signs upto 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign asper IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing)

Type - B, "THRIE" : Metal Beam Crash Barrier (Providing and erecting a "Thrie" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 2 m high with 1.15 m below ground level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a space of channel section 150 x 75 x 5 mm, 546 mm long complete as per clause 810)