Periodical maintenance for the year 2021-22 on Bari Padhru Tharku Pechha road Km. 0/0 to 3/500 under PMGSY incentives SH Providing and laying bitumenous concrete, including

Amount

Supplying and stacking at site of work graded/ crushed stone aggregate of hard stone of approved quality to WBM specifications grade-III with 53 mm (Fifty three millimetre) to 22.4 mm (Twenty two point four millimetre) nominal size, free of disintegrated pieces, deleterious and organic matter stacking the material at suitable site in proper stacks as per direction of Engineer-in- charge. The aggregate should pass through as per PWD specification, so as to give a grading of required proportion as per PWD specification within all leads and lift including carriage of materials and as per direction of Engineer-in-charge.

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 (Three) wheeled road/vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density within all leads and lift including carriage of material in all respect and as per direction of Engineer-in-charge.

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications On W.B.M. @ 1.00(One point zeri Kilogram / square metre within all leads and lift including carriage of material in all respect and as per direction of Engineer-in-charge.

Providing and applying tack coat using bitumen emulsion conforming to IS:8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom On bituminous surface @ 0.25kg/sqm.(Zero point twenty five kilogram/ square metre ) within all leads and lift including carriage of material in all respect and as per direction of Engineer-in-charge.

Providing and laying 30mm(Thirty millimeter) thick bituminous concrete with 100-120 TPH batch type hour mix plant producing an average output of 40-60(Forty- sixty) tonnes per hour using crushed aggregates of specified grading, premix with bituminous binder @ 5.4(Five point four) to 5.6 (Five point six ) percent of mix and filter, transporting the hot mix to work site, laying a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandeom roller to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respect within all leads and lift including carriage of material in all respect and as per direction of Engineer-in-charge.

Construction of hill side drain in PCC grade M-10 (Ten) in 1:3:6 (One cement : three sand: six graded/ crushed stone aggregate 20mm(Twenty millimetre) nominal size accordance with requirement of specification true to line and grades. Dimension and other particulars as per drawing and technical specification clause -1606.1. within all leads and lifts including carriage of materials in all respect and as per direction of Engineer-in-charge.

Providing and applying 2.5 mm(Two point five millimetre ) thick road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications within all leads and lifts including carriage of material in all respect and as per direction of Engineer-in-charge.

Ashadeep Construction Pvt Ltd