Performance Based Maintenance Contract of Kotkhai Marathu Tharolla Tahu Chunger Road in K.M. 0/00 to 17/100

Amount

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 II as per Technical Specification Clause 405. By mechanical Means

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 mechanical means

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 Low porosity

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 granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing and laying 30 mm (Thirty millimetre) 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,Zycotherm @ 1% by wight of bitumen. 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

Construction of unlined surface drain of average cross-sectional area 0.4 sqm in ordinary rock to specified lines, grades, levels and dimensions as per approved design and Technical Specification Clause 307. Excavated material to be used in embankment at site.

Routine Maintenance including Clearing and grubbing road land, The maintenance of drains, Maintenance of km stone, and White washing two coats on parapet walls for twice a year, Stripping excess soil from the shoulder, Making up loss of material/irregularities on shoulders , Repair to pot holes, Repair to edge break ,Repair to revelling, depression for one and half times in a year ,clearance of culverts for once in a year.

Deployment/Hiring of J.C.B./Excavator-cum-loader one and half times a year. complete in all respects as per the direction of Engineer-in-Charge including carriage of material within all leads and lifts and other incidentals.

Hiring of Tipper of light commercial vehicle category for carriage of Earth/debris/bolder one and half times a year complete in all respects as per the direction of Engineer-in-Charge including carriage of material within all leads and lifts and other incidentals.

Pankaj Chauhan

Dinesh Kumar