SENL/SOPD-FDR/2019-20/BAR-61

Amount

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5

Plant mix method 'Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. For Grading II Material

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate, watering and compacting to the reqd. density ( with an initial lead of 5.0km.) By Mechanical Means Using Screening Type-B (11.2mm Agg.) 'Grading- II

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate, watering and compacting to the reqd. density (with an initial lead of 5.0 km.) By Mechanical Means Using Screening Type-B (11.2mm Agg.) Grading- III

Prime coat (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.) (Including cost of testing of materials at site and laboratory as directed by the deptt.)

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.( Including cost of testing of materials at site and laboratory as directed by the deptt.) (b) dry & hungry bituminous surface

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen to required line, grade and level to serve as wearing coarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to the reqd. level and grade. (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant ) (Including cost of testing of materials at site and laboratory as directed by the deptt.)

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats) ( Including cost of testing of materials at site and laboratory as directed by the deptt.) Case - I: Type A (Providing and laying liquid seal coat comprising of a layer of bituminous binder (paving bitumen 60/70 or VG-30 grade, followed by a cover of crushed stone chipping of specified grade.

abdur rahman