SPECIAL REPAIR TO ROAD FROM RHINO GATE TOWARDS RHINO AUDITORIUM, APPROACH ROAD FROM P204 TO ROI OFFR ENTRANCE GATE AT LICHUBARI, INTERNAL ROAD FROM BUILDING NO T56 TOT22, T56 TO T19, STATE HIGHWAY TO MARIANI CAMP UNDER GE JORHAT

Amount

Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc. complete all as specified and as directed.

M & L for applying evenly a tack coat with bituminous primer (paving grade bitumen VG-10 grade) @ 5 kg per 10 sq metres complete all as specified & as directed.

M & L for bituminous concrete 40 mm (compacted thickness) using graded crushed stone aggregate premixed with binder (paving grade bitumen VG-30 grade) @ 5.5% by weight of total mix & cement(OPC-43 Grade) filler (as per Clause No 20.B.2.5.4(d) of SSR Part-I), rolled and compacted to required camber and gradient complete all as specified and as directed. Note :- (i) Semi dense bituminous concrete shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (ii) The exact bitumen content required shall be determined following the Marshall Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111: 2009. The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of ₹55 per kg. No claim whatsoever shall be made for adjustment in plus side.

M & L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like n. exc 10cm wide on roads pavements thermo plastic road marking paint of approved with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.

M & L for 7.5 cm thick (compacted thickness) WBM, with coarse aggregates of granite, trap or basalt of grading 2 (63 to 45 mm size) or of grading 3 (53 to 22.4 mm size), spread, rolled and compacted to required gradient and camber with three wheel-power roller of 80 to 100 kN capacity or an equivalent vibratory roller complete all as specified and as directed.

Repair to potholes any depth, exe 30 mm and not exceeding 1 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 in depth, making good by applying tack coat at the rate of 05 kg per 10 Sqm, putting in bituminous macadam well rammed and sealed with bitumen 9.8 kg per 10 sqm blinded with 0.09 cum stone chippings, 6.3 mm size and rolled and compacted with power roller 8 to 10 tonnes to required camber and gradient complete all as specified and as directed.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exceeding 400 sqm, depth of pot hole exceeding 50 mm but not exceeding 100 mm including rolling over the broken surfaces using 8 to 10 tonnes power roller to required camber and gradient complete all as specified and as directed.

M & L for bituminous macadam not exceeding 75 mm thickness (compacted thickness) using hot mix plant and mechanical paver with 4% binder (paving grade bitumen VG-30 grade) content by weight of total mix, rolled and compacted with power roller 8 to 10 tonnes to required camber and gradient complete all as specified and as directed. Note :- (i) Bituminous macadam shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (ii) The exact bitumen content required shall be determined as per IRC 27: 2009. The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of ₹55 per kg. No claim whatsoever shall be made for adjustment in plus side.

M & L for applying evenly a priming coat with bituminous primer (paving grade bitumen VG-10 grade) @ 10 kg per 10 sq metres complete all as specified & as directed.

Providing and fixing Glow studs (cat's eye) of size 80 to 100 mm X 100 to 120 mm X 15 to 20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer in charge. The cats eye shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35⁰ ± 5⁰ to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge.

M/S Praduman Kumar Sharma

LIZA KALITA