RFP FOR ALFA TAXIWAY (NORTH RUNWAY) RESURFACING WORKS AT KEMPEGOWDA INTERNATIONAL AIRPORT

Milling of existing Bituminous surface to a specified depth up to 60mm using Milling machine including disposal of removed material

Cleaning of surface manual and mechanical

Dismantling of bitumenious pavement manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 5 K. metres lead as per direction of Engineer-in-charge

Scarifying bitumious road surface including desposal of rubbish, lead upto 50 m and consolidation of the aggregate received from scarifying with power road roller of 8 to 10 tonne capacity

Bituminous Prime Coat - Providing and laying over granular surface @ 0.75 to 1.0 kg/ M2 of residual bitumen uniformly over the area using emulsion sprayer.

Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 kg/m2 on the prepared bituminous surface cleaned with mechanical broom

Providing and laying Dense bituminous macadam with 100 120TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @4.0 to 4.5% by weight of total mix 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 as per MoRTH specification clause No.507 complete in all respects. for Grading II (40 mm nominal size

Providing and laying Bituminous Concrete with 120 TPH HMP Batch Type using crushed aggregates of specified grading,premixed with bituminous binder Performance Graded Polymer Modified Bitumen conforming to IS 15462-2019 and filler as per IRC SP -53-2010 as per design mix requirement table 10.1.The minimum temperature of mix shall be 165-185 degrees & transported to work site & laying at temperature 115-145 degree celsius 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. 507 complete in all respects. Grading II (13mm Nominal Size) with 5.6% PMB 76E -10 Bitumen

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) andnnwaste plastic additive @ 8% (percentage by weight ofnbitumen) prepared in Batch Type Hot Mix Plant of 100n 20 TPH capacity.

Safe removal of the existing shallow base and reinstallation of the same on the South Runway during South Runway surface relaying works, with reuse of the existing shallow base.