Renewal work by cold mix PC in km 1, 2 and 3 of Mohana link road from Chakrata Lakhamandal Motor in Chakrata Constituency of Dehradun District.

Amount

Clearance of land slides in soil and ordinary rock by a bull-dozer D 80 A-12, 180 HP and disposal of the same on the valley side complete as directed by the Engineer-in-charge.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. By Manual Means

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

20mm thick OpenGraded Premix Carpet using Bitumen Emulsion as per Technical Specification Clause 508.2

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using TypeA, TypeB and TypeC as per Technical Specification Clause 510 Case - II : Type B Bitumen (VG-10)

Maintenance of Earhen shoulder (stripping of excess soil Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawings and Technical Specification Clause 1903

Construction of unlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307. Mechanical Means

BARU SINGH (BID ID -372041)