Re Surfacing of Bituminous Area in Operational area near fire tank, new bituminous road along IOCL road and resurfacing of fire approach road near runway junction and CC works front of fire station at Pantnagar Airport. SH Road to CWIS of IMD.

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinthlevel : 1:1½:3 ( (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :a) 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earthwith lead upto 50 metres.

Providing and laying of Hot Mix Dense Bituminous Macadam(DBM) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregates as filler of quality as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 shall be taken as 95 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete(SDAC) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregates as filler of quality as specified and Viscosity Grade Bitumen (supplied in bulk) in proportions as per job mix formula and laid to specified levels, grade and camber as per specification, drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction, strength, surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 content shall be taken as 120 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and applying primer coat with bitumen emulsion SS1 grade conforming to IS:8887 on prepared surface of Granular Base including clearing of surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means complete in all respects as per direction of Engineer-In-Charge. The contractor shall quote his rates assuming quantity of bitumen emulsion as 0.70 Kg/Sqm. If the actual quantity of bitumen emulsion varies from the quantity assumed above, necessary cost adjustment for deviation in the quantity of bitumen emulsion shall be done as per rate in actual supply voucher from nearest refinery at the time of execution. The rate of bitumen emulsion exclusive of GST shall only be considered for payment.

Providing and applying tack coat using suitable low viscosity paving bitumen of VG-10 grade confirming to IS 73) spraying the bitumen with mechanically operated spray unit at the rate specified below, cleaning,and preparing the existing pavement surface as per specifications complete in all methods as per direction of Engineer-In-Charge. if the actual quality of bitumen varies from the quantity specified necessar cost adjustment for deviation in the quantity of bitumen shall be done as per rate in actual supply voucher from nearest refinery at the time of execution .The rate of bitumen exclusive of GST shall only be considered for payment. a) 0.20 Kg/Sqm on existing bituminous surface

Providing and applying tack coat using suitable low viscosity paving bitumen of VG-10 grade confirming to IS 73) spraying the bitumen with mechanically operated spray unit at the rate specified below, cleaning,and preparing the existing pavement surface as per specifications complete in all methods as per direction of Engineer-In-Charge. if the actual quality of bitumen varies from the quantity specified necessar cost adjustment for deviation in the quantity of bitumen shall be done as per rate in actual supply voucher from nearest refinery at the time of execution .The rate of bitumen exclusive of GST shall only be considered for payment. a) 0.30 Kg/Sqm on existing Concrete surface

CARRIAGE OF MATERIALS By Mechanical Transport of Excavated Sand, Stone aggregates below 40 mm nominal size from operational area to non operational area or any place as directed by EIC Lead upto 3 Km.

Providing laying and fixing of self adhesive glass fibre reinforcement grid of high modular fiber glass of mesh size not exceeding 12.5 mm x 12.5 mm,tensile strength 100kN/m X 100kN/m. The self adhesive glass fiber reinfrcement after laying over the runway pavement shall be pressed down fully with the rubber tyre roller and glued to pavement surface. The grid being self adhesive goes not required tack coat. The longitudinal over laps should not be less than 250 mm and transrve over lap i.e at the end of the roll should notbe less than 150 mm. The item should be completed in all respect, to the staification of Engineer-In-Charge.

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achievethe desired density, complete as per specifications and directions of Engineer-in-Charge.

SANSUN CONTRACTORS PVT LTD