Under annual repair for the year 2024-25, Renewal work by P.C. and SDBC from km 1 to 6 on Raipur-Kaddukhal Road (SH-19 ) in Raipur Constituency in Distt. Dehradun.

Amount

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

Providing and laying Semi Dense Bituminous Concrete with the use of batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder 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. 508 complete in all respects Grading II - 10mm using VG - 30 bitumen (bituminous binder @ 5 % of mix)

Bituminous Macadam with Warm Mix Technology Providing and laying Bituminous macadam with the use of asphalt mixing plant using crushed aggregates of grading as per Table 500.4, premixed with bituminous binder and warm mix additive, transported to site upto a lead of 1000 m laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction as per Technical Specification Clause 504 using the Warm Mix (WMA) Asphalt Technlogy as per IRC:SP: 101-2009. (Bitumen VG-10 @ 3.3% of the weight of mix and warm mix additive @ 0.4% of the weight of bitimen have been used for analysis purpose. The choice of bitumen will depend upon the prevailing site conditions and shall be in accordance with Clause 504 of MORD with Bitumen VG-30

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.

Road Studs / Cat Eye: Providing and fixing Bi-directional Road Studs (Cat Eye) / Reflective Pavement Marker (RPM) with single body twin shank and plastic body moulded from ASA (Acrylic Styrene Acrylonitrite) or HIPS (Hi-impact Polystyrene) or ABS (Acrylonitrile Butadiene Styrene) or any other suitable material approved by Engineer in charge (Marker must support a load of 13635 kg tested in accordance with ASTM D 4280 and Reflective lenses conforming to ASTM D 788 or equivalent) bonded or anchored within the road surface for lane marking and delineation for night time visibility as per Clause No. 1707 of MORD and 804 of MORTH specifications. The RPM must have reflective panels with micro prismatic lens where area of each retro reflective surface shall not be less than

Road Delineators / Vertical Guide Posts: 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.

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