SPECIAL REPAIR TO ROAD AND PROVN OF BLACK TOP ROAD FROM BUILDING T248 TO T254 AT RAYANG MIL STN UNDER GE 872 EWS

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 & hydraulic lime/cement(OPC-43 Grade) filler, 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.

Repair to potholes any depth, 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 filling in screened & graded road metal, watering and well ramming (including supply of road metal), rolled and compacted with power roller 8 to 10 tonnes to required gradient and camber 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 for15 cm thick (compacted thickness) WBM, in two layers of 75mm thk each (each layer to be rolled and cosolidated separately) with coarse aggregates of sand stone, flint or quartzite of grading 2 (63 to 45 mm size), spread, rolled and compacted to required gradient and camber with three wheel-power roller of 80 to 120 kN capacity or an equivalent vibratory roller complete all as specified and as directed.

M & L except materials 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.

Preparing unsurfaced water bound macadam 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 priming coat with bituminous primer (paving grade bitumen VG-10 grade) @ 10 kg per 10 sq metres complete all as specified & 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.

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 all as specified and as directed.

Excavating over areas not exceeding 1.5 m deep and getting out in soft/ loose soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

M & L for Rolling and consolidating formation surfaces in cutting with power roller 8 to 12 tonne complete all as specified and as directed.

M& L for soling (sub base) 150 mm spread thickness with broken boulders or quarried stones(size 50m to 100mm) ( granite, trap or basalt), interstices filled, surface formed and rolled and consolidated with power roller 8 to 12 tonne to required gradient and camber complete all as specified and as directed.

M/S N D ENTERPRISE

M/S CHAKRA GOHAIN

boruah construction

Kaushik Enterprises

M/S HAZARIKA CONSTRUCTION

M H KHAN

STANDARD ELECTRIC WINDERS