Public Works Department Tender

Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. (using VG-40 instead of VG-30, which will be paid separately ).

Providing and applying 2.5 mm 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.

Providing and laying Recycled Dense Graded Bituminous Macadam blend of upto 30% (by weight of total hot mix) reclaimed bituminous materials and 70% (by weight of total hot mix) new materials of specified grading permixed with bituminous binder, filler and rejuvenators as required, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem roller as per specification to achieve the desired compaction and density, complete ar per specification and direction of Engineer-in-Charge. 50 to 100 mm average compacted thickness with final bitumen content @5% of grade VG-30 and lime filler @ 2% (percentage by weight of Aggregates). Neccessary checks, evaluation as per MORTH specification for job mix design shall be carried out on the expenses of contractor before hauling and stock piling the reclaimed materials near the central recycle plant. (The rate of this item is including of all the operation mentioned in nomenclature and also neccessary to complete the execution of this items. No extra shall be paid for hauling & stock piling etc.)

Cold milling of existing bituminous layer upto depth of 120mm by milling machine to make uniform surface with required slope/camber without disturbing the base layer, cleaning the surface after cold milling, removable/cleaning/brooming of the surface and removing left out material, loading the milled material into tippers and removing/disposal to hot mix plant or any other approved dumping location including loading unloading, all leads lifts and etc. all completes as per the directions of Engineer in Charge. (Cost of mechanical brooming has been taken in item of tack coat). (a) Manual milling will be permissible with the approval of Engineer-in-Charge, where mechanical milling is not possible. (b) Any camber correction required in the pavement should be taken care off during milling only and nothing extra will be payable on this account.

Credit for salvage value of milled bitumimous material received from cold milling but not used in the recycled bituminous mix .