SPECIAL REPAIR WORK TO INTERNAL ROAD RTC (ER) KOLKATA COMPLEX UNDER GE NORTH KOLKATA

Amount

M&L for repair to potholes any depth, not exc 01 sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 30 mm in depth, making good by applying tack coat with bituminous primer at 5Kg per10 Sqm putting in premix as specified for thin bituminus carpet (3 cm thick) well rammed and sealed with premixed sand seal coat (6.8 Kg of binder with 0.06 cum of sand), again rolled power roller 10 to 12 ton capacity, depth of pote holes n.exc 30mm all as specified).

Scarifying or picking up graveled macadam or bituminous macadam surfaces in area n. exc 400 sqm and depth exceeding 50mm but not exc 100mm deep and removing to a distance n.exc. 50 mtrs and all as directed.

M&L for water bound macadam 75 mm thick (compacted thickness) with coarse aggregate of grading 2 (63 to 40 mm size) using aggregate of granite, trap or basalt, spread, rolled with 10 to 12 ton power road roller and consolidated to gradient and camber required all as specified and directed.

All as per Srl item No 3 here-in-before but except material

M&L for preparing unsurfaced WBM by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying paving bituminious primer 80/100 (VG-10) grade @ 10 Kg per 10 Sqm and all as directed.

M&L for preparing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. and applying paving bituminious primer 80/100 (VG-10) grade @ 5 Kg per 10 Sqm and all as directed.

M&L for bituminous premixed carpet, 03 cm thick (consolidated thickness) with 0.41 cum of stone chippings mixed with 21.90 Kg of paving bitumen (VG-30 grade) spread with mechanical paver, rolled and compacted with 10 to 12 ton power roller to required camber and gradient and premix sand seal coat with 0.06 Cum of sand mixed with 6.80 Kg of paving bitumen (VG-30) grade, applied and rolled to uniform smooth surface with the same roller complete all as specified and directed.

M & L for providing and applying road marking paint 2.50 mm thick (retro reflective paint) conforming to BS: 3262, of specified shade / colour, width not exceeding 15cm, with hot thermoplastic material spread and laid by fully automatic thermoplastic paint applicator machine, fitted with profile shoe, glass beads (20%, intermixed) dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surfaces including cleaning the road surfaces of all dirts, seals, oil, grease and foreign materials etc. complete all as specified and as directed.