SPECIAL REPAIR OF ROAD FROM THREE STRIPES (NCO INSTITUTION) TO STN HQ REAR GATE AND ROADS CONNECTING ADJACENT STUDENTS BLOCKS OF NCO ACADEMY AND WIDENING OF ROAD FROM OLD TCP TO NEW TCP T DHANA MIL STN UNDER AGE(I) DHANA

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 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 5 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.

M & L for semi dense bituminous concrete 30 mm (compacted thickness) using graded crushed stone aggregate premixed with binder (paving grade bitumen VG-30 grade) @ 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.

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 excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in soft/ loose soil complete all as specified and as directed.

Removing excavated material (soils) exceeding 250 m but not exceeding 500 m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and as directed.

M & L for construction of granular sub-base (GSB) as filter-cum-drainage layer, 150 mm thick (compacted thickness) by providing grading V material as per Table 400-1 of the MORTH Specifications for Road and Bridge (Fifth revision published by IRC, 2013 Edition) mixing in a mechanical mix plant at optimum moisture content, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of the MORTH Specifications for Road and Bridge (Fifth revision published by IRC, 2013 Edition) complete all as specified and as directed.

M & L for 15 cm thick (compacted thickness) WBM in two layers of 7.5 cm each 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 forming embankments using earth brought from outside MD land including raising (or lowering) earth, spreading in layers not exceeding 30 cm thick; watering, rolled and consolidated with power roller 8 to 12 tonne to required gradient and camber etc., not exceeding 1.5 m high from base complete all as specified and as directed.

Supply and fix Glow studs (cat's eye) of size 80 to 100 mm X 80 to 100 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 cat’s 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.

S & F solar road studs of size not less than 125 mm X 125 mm X 25 mm made of weather resistance aluminium alloy and poly carbonate material electronically welded micro- prismatic lens with abrasion resistant coating as approved by the 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 E: 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. The solar panel shall be high efficiency mono crystalline 2.5 V/60 m A and the battery shall be one Ni-mh type (1.2 V/1200 m Ah) high temp for backup of 36 hours full charging. The flash frequency shall be 60 ± 5 times per minute.

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