PROVN OF APPROACH ROAD AND ASSOCIATED FITTINGS AT CGRA MANICKTALA UNDER GE (I) (CGN) KOLKATA

Amount

Material and labour for surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in hard/ sense soil complete all as specified and as directed.

Material, labour and T&P for removing excavated material (soil) to distance exceeding 250 meter but not exceeding 500 meter and despositing complete all as specified and as directed.

Material and labour for rolling and consolidating formation surfaces in cutting with power roller 8 to 12 tonne power rollar and compacted to required gradient and camber complete all as specified and as directed.

Material and labour for approved moorum brought from outside of MoD land for filling in berms and paving (over road formation surface) laid in layers not exceeding 15 cm thick, spread, levelled and rolling in layer with power roller exc 8 tonne but n.exc 12 tonne and finishing to required size, shape, gradient, and camber complete all as specified and as directed.

M& L for soling (sub base) 200 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.

M & L for 15 cm thick (compacted thickness) WBM, with coarse aggregates of granite, trap or basalt of grading 1 50 to 20 mm size), laid in two layers not exceeding 7.50 cm spread compacted thickness, rolled and compacted to required gradient and camber with three wheel-power roller of 8 tonne to 12 tonne 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 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 ₹55 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 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 premix asphaltic concrete as per IRC 111: 2009, 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 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 ₹55 per kg.

M & L for precast cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in kerb stone including chamfers, weatherings, throating etc. and setting in cement mortar (1:4) complete with joints to match complete all as specified and as directed.

Material and labour for 2.5 mm thick road marking strips, dashes, arrows, letter (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.

S & F solar road studs of size not less than 125X 125 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 GE. 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.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for brick work with sub class 'B' bricks, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:4 complete all as specified and as directed.

Material and labour for plastering 15 mm thick on concrete surface of fair face of brick work (on vertical surfaces) in cement mortar 1:6 finished even and fair complete all as specified and as directed.

Preparation of newly plastered surfaces on walls and applying three coats of white wash complete all as specified and as directed.

M & L for cement concrete M10 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed by Engineer- in-charge.

Supplying and laying reinforced concrete pipes with collars, 300 mm internal diameter, class NP3, laid and jointed with stiff mixture of cement mortar (1:2) complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed by Engineer-in-charge.

M & L for cement concrete in surface channels and drains in M15(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for extra for forming fair finished drain or channel 60 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc. complete all as specified and as directed.

Sabitri Jhunu Enterprise