Annual Maintenance Plan on Kalbog to Chuila Road in K.M. 0/00 to 6/00

Amount

Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat, 20 mm thick pre-mix carpet and seal coat type B specification Clause 1904.2,503 and 508.1 complete in all respects as per the direction of Engineer-in-Charge including carriage of material within all leads and lifts and other incidentals

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 well roller 80-100 KN in stages to proper grade and camber, applying and brooming stone screening binding materials to fill-up the interstices of course aggregate watering and compacting to the required density grading-3 as per Technical specification clause 405 by Mechanical Means including hauling of material in all leads and lifts as jper the entire satisfaction and direction of the Engineer-in-Charge.

Providing and applying primer coat with bitumen emulsion (SS-I) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90-1.2Kg/Sqm using mechanical means as per technical specification clause 502 including hauling of material in all leads and lifts as jper the entire satisfaction and direction of the Engineer-in-Charge..

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 (Zero point two five to Zero point three zero kilogram per Squre meter) on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.as per the direction of Engineer-in-Charge including carriage of material within all leads and lifts and other incidentals .

Providing and laying 30 mm (Thirty mimlmeter) thick bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 (seventy five) tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG10 (ten) / S-90 (ninety) @ 5.4 to 5.6 (five point four to five point six) percent 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. 509 complete in all respects as per the direction of Engineer-in-Charge including carriage of material within all leads and lifts and other incidentals .

RAVINDER CHAUHAN