APPROACH AND PROTECTION WORK OF BRIDGE OVER RIVER NAGDEV ON SAHARANPUR-DEHRADUN (NH-73) ROAD AT NEAR NAUGAZA PEER IN DISTT. SAHARANPUR

Amount

Approach & Protection Work

Earth work in cutting or in enbankment in ordinary soil excavation to be in the form of regular pits not exceeding 0.50 m in depth and earth work in embankment to be in 20 cm layers including remming and dressing the surface to required levels and including machanically compaction to achieve 95% proctors density including arrangement of water, settlement and all T&P charges including roller and its fuel charges for output of 325 cum per day The directed by the engineer-in-charge

Cement Treated Sub-Base Providing Laying and spreading Material on a Prepaired Sub Grade, adding cement @ 2% by weight to the spread Material manualy mixing in place with rotavator and compacting with the road roller at OMC to achieve the desired unconfined compressive strength and to form at of Sub-Base (Excluding Cost of Cement which will be provided by department free of cost)

Wet Mix Macadam (Stablized) Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. (Excluding Cost of Cement which will be provided by department free of cost)

Providing & applying Tack Coat with emusion V.G.-10 using bitumen distributor at the rate of 0.35 kg per sqm on the prepared granular surface treated with primer cleaned with hydroulic broom as per MoRT&H Specification.

Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5 per cent by weight of total 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. 507 complete in all respects.

Providing & laying Filter Media underneath pitching in slopes complete as per drawing and as per MoRT&H Specification.

Providing and laying Pitching on slopes laid over prepaired filter media including boulder apron laid dry infront of toe of embankment complete as per MoRT&H Specification.

Royal Construction Company