SPECIAL REPAIR OF INTERNAL ROAD (BLACK TOP) AT 2 TRACK AREA P COY, 4 TECH TRG BN, 3 EME CENTRE AREA UNDER GE BHOPAL

Amount

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 applying tack coat with cationic bitumen emulsion RS-1 grade at the rate of 3 kg per 10 sqm, putting in bituminous macadam consolidated/ 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 due to variation in quantity of bitumen if any shall be priced at the rate of ₹44 per kg.

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 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 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 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.

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 due to variation in quantity of bitumen if any shall be priced at the rate of ₹44 per kg.

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 semi dense bituminous concrete 40 mm (compacted thickness) using graded crushed stone aggregate premixed with binder (paving grade bitumen VG-30 grade) @ 4.5% 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.

M & L for moorum/red bajri filling in floors or pavings, laid in layers not exceeding 15 cm thick, spread, levelled and rammed including watering complete all as specified and as directed.

Shapers Constructions Limited