SPECIAL REPAIR OF ROAD FROM 188 MH TO SUTC T JN AT LIKABALI, PROVN OF 3.5 MTR METALLED ROAD APPROX 250M WITH PAVER BLOCK BOTH SIDES FROM RP GATE TO ADHOC TST CAMP VEH PARKING AREA AND T 89 TO HARD STANDING AT TST CAMP AT NLP 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.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not 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 applying primer on the surface of non-bituminous granular base course preparatory to the superimposition of bituminous treatment coat with cationic bitumen emulsion SS-1 grade at the rate of 10 kg per 10 Sqm of surface complete all as specified and as 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.

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 tack coat on existing bituminous, cement concrete or primed granular surface to ensure a bond between the surface being paved and the overlaying course with cationic bitumen emulsion RS-1 grade at the rate of 3 kg per 10 sqm of surface complete all as specified and as directed.

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.

S & F mild steel screw bolts (machine made), diameter of neck 5 to 10 mm with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exceeding 5 cm but not exceeding 10 cm long complete all as specified and 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) @ 5.4% by weight of total mix & hydraulic lime 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 due to variation in quantity of bitumen if any shall be priced at the rate of ₹44 per kg.

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.

Surface dressing not exceeding 15 cm deep in soft/ loose soil complete all as specified and as directed.

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 ( 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.

Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M35 grade conforming to IS 15658-2006 made by block making machine with strong vibratory compaction, of approved size, design & shape, cast in rubber mould, glossy finish of approved colour, laid in required colour and pattern over and including 30 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

M & L for cement concrete M7.5 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate 100 mm thick in sub base for laying tiles, pavings, floorings etc. all as specified and as directed.

Sunwin Energy and Infra Pvt Ltd