Haryana Urban Development Authority Tender

Built-up-Spray Grout Providing, laying and rolling of built-up-spray grout layer over prepared base consisting of a two layer composite construction of compacted crushed coarse aggregates using motor grader for aggregates. key stone chips spreader may be used with application of bituminous binder after each layer, and with key aggregates placed on top of the second layer to serve as a Base conforming to the line, grades and cross section specified, the compacted layer thickness being 75mm. Nota: - 2 tippers will be needed to match the capacity of hydraulic chip spreader and front end loader.

Grading II (19 mm Nominal size), for thickness 50-75 mm , Bitumen @ 3.4 % (continuous HMP type) Providing and laying bituminous macadam 50-75 mm thick with Batch type hot mix plant 100-120 TPH using crushed aggregates of specified grading premixed with bituminous binder VG 30 @3.4% transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501. 7 to achieve the desired compaction complete as per technical clause 504 of MORT&H specifications Labour Machinery Material Through Grading II (19 mm nominal size) Nota: -*1. Although the rollers are required only for 3 hours as per norms of output, but the same have to be available at site for six hours as the hot mix plant and paver will take six hours for mixing and paving the output of 450 tonnes considered in this analysis. To cater for the idle period of these rollers, their usage rates have been muttiplied by a factor of 0.65. 2. Quantity of Bitumen has been taken for analysis purpose. The actual quantity will depend upon job mix formula. 3. Labour for traffic control, watch and ward and other miscellaneous duties at site including sundries have been included in administrative overheads of the contractor. 4. In case BM is laid over freshly laid tack coat, provision of Mechanical broom and 2 mazdoors for the same shall be deleted as the same has been included in the cost oflack coat

Bituminous Concrete 30 mm to 45 mm thickness (grading II) with 100-120 TPH batch type HMP Providing and laying 30mm - 45 mm bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 5.4% per cent 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 complete as per technical clause 507 of per MORTH specifications