Construction of 24.75 metre span Rcc T-beam Bridge Double Lane over Lal Pani Nallaha at Rd 11/800

Amount

Loosening of the ground up to a levels of 500 mm below the subgrade level, watered,graded and compacted in layers to meet requirement of Tables 300.1 and 300.20 for subgrade construction as per technical specification clause 303.5.2 complete including carriage of meterials with in all leads and lifts as per the entire satisfaction and direction of Engineer-In-Charge.

Providing, laying, spreading and compacting stone aggregates of specific size to water bound macadam specification including spreading in uniform thickness hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming , stone screening /binding materials to fill-up the interstices coarse aggregate, watering and compacting to the required density Grading -I as per Technical Specification Clause 405. including carriage of materials, labour and equipments to various location of site of work through all modes of transportation in all leads, lifts and all incidental charges.By Manual means

Providing, laying, spreading and compacting stone aggregates of specific size to water bound macadam specification including spreading in uniform thickness hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming , stone screening /binding materials to fill-up the interstices coarse aggregate, watering and compacting to the required density Grading -II as per Technical Specification Clause 405. including carriage of materials, labour and equipments to various location of site of work through all modes of transportation in all leads, lifts and all incidental charges.By Manual means

Providing, laying, spreading and compacting stone aggregates of specific sizes grading- III 75 mm (seventy five millimtre) Consolidating thick to water bound macadam specification including spreading in uniform thickness, using template, hand packing, rolling with three wheel 80-100 kN (Eigty to hundred) static roller in stages to proper grade and camber, applying and brooming, crushable screening type -B of size 11.2 mm (eleven point two millimtre) nominal size at the rate 0.20 cum.(Zero point twenty cubic metre) and binding materials at the rate 0.06cum. (zero point zero six cubic metre) per 10 square metre (ten) and to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading By manual means and as per HP. PWD specifications of 1990 volume-I including carriage of materials, labour, tool and plant through all modes of transportion within all leads and lifts and as per direction of Engineer-in- Charge

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared sufaces of granular base including cleaning the road suface hydrolic broom and spraying primer at the rate of 1.05 kg /sqm( One point Zero five ) using mechanical means complete as per HP. PWD specifications of 1990 volume-I including carriage of materials, labour, tool and plant through all modes of transportion within all leads and lifts and as per direction of Engineer-in- Charge

Providing and laying 50 mm thick bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes (seventy five tonnes) per hour using crushed aggregates of specified grading as per Table 500.4 premixed with bituminous binder, transported to site, up to any lead laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per drawings and technical specifications MORT&H clauses 501.6 and 501.7 to achieve the desired compaction including carriage of materials with in all leads and lifts as per the entire satisfaction and direction of Engineer-In-Charge.The work should be executed as per Job Mix furmula approved by department .The rates should be quated accordingly.Nothing extra shall be applicable on this account.

Providing and applying tack coat with bitumen emulsion using emulsion(RS-I) using emulsion pressure distributor at the rate of 0.20 kg ( zero point twenty kilogramme) per sqm on the prepared bituminous/granular surfaces treated with primer and cleaned with hydraulic broom as per drawings and technical specifications MORT&H Clause 503 including carriage of materials with in all leads and lifts as per the entire satisfaction and direction of Engineer-In-Charge.

Providing and laying bituminous Concrete 25mm thick (twenty five milimetre ) with 100-120 TPH capacity batch type hot mix plant producing an average output of 75 tonnes (seventy five tonnes) per hour using crushed aggregates of specified grading, premixed with bituminous binder concrete of @ 5.4% to 5.6% (five point four per cent to five point six percent) of mix and filler, transporting the hot mix to work site, laying with a hydro static 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 including carriage of materials with in all leads and lifts as per the entire satisfaction and direction of Engineer-In-Charge.The work should be executed as per Job Mix furmula approved by department .The rates should be quated accordingly.Nothing extra shall be applicable on this account.

Ashok Thapa