REPAIR TO ROAD IN WSA AREA AT AF STN NAL

M&L for Repairs to pot holes exceeding 30 mm depth, area not exceeding 1.00 Sqm each including sweeping free from dust and mud, or water scoring sunken surfaces in roads, paths etc cutting around edges to at least 25 mm depth, making good by applying tack coat with bituminous primer using bitumen emulsion @ 5 kg /10 Sqm, putting in premixed bituminous McAdam, well rammed and sealed with binder 9.8 kg per/10 Sqm blinded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed with power road roller of 8 to 12 ton capacity and consolidated including supply of premixed macdam, binder and chipping complete all as specified and as directed by the Engineer-in-Charge. .

M & L for Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned black top surface with gunny bags to remove all loose dirt and Applying evenly a priming/ tack coat @ 5 Kg. Per 10 Sq.M using bitumen emulsion (RS-1) conforming to IS-8887 with mechanical sprayer, operated by cold pressure mechanism complete all as specified and as directed by the Engineer-in-Charge.

M&L for Premixed Bituminous macadam from hot mix plant with 4% binder content by weight of total mix using paving bitumen of grade VG-30,laid with Mechanical Paver, rolled and compacted with power road roller of 8 to 12 ton capacity to required gradient and camber (consolidated thickness 75 mm or less) complete all as specified and as directed by the Engineer-in-Charge. Note: Mixing of bituminous concrete shall be in hot mix plant.

M&L for Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned black top surface with gunny bags to remove all loose dirt and Applying evenly a priming/ tack coat @ 5 Kg. Per 10 Sq.M using bitumen emulsion (RS-1) conforming to IS-8887 with mechanical sprayer, operated by cold pressure mechanism including laying of Bituminous Premixed Semi Dense Asphaltic Concrete, 30 mm consolidated thickness, using paving bitumen of Grade VG - 30, with 5.5% of binder content by weight of total mix using Hot Mix Plant and laid with Mechanical Paver, rolled and compacted with power road roller of 8 to 12 ton capacity to required camber and gradient complete all as specified and as directed by the Engineer-in-Charge.

M&L for cleaning and preparing the bituminous road surface and making good for road marking with reflective thermoplastic white road marking paint confirming to BIS-3262, laid through Road Marking Machine in layer of CRYSTALX (using 5kg per sqm by incorporating 8% white glass beads for reflectivity) and 2mm thick centre line, stop line etc. as per IRC pattern laid at temperature 60 degree centigrade including making necessary traffic diversion arrangement complete all as specified and as directed.