Construction of balance perimeter road at extended part of 05 and 23 Runway at Dibrugarh Airport.

Amount

Disposal of surplus Excavated soil beyond the initial lead including Carriage of material by mechanical transport including loading, unloading and stacking.Upto 3.0 km lead

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth within operational area and lift upto 1.5 m, disposed earth to be levelled and neatly dressed as directed by Engineer-in-charge. (A) All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.In cement mortar

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 Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 1000 mm dia RCC pipes. (Laying by manual/ machanical means)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

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 achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. Note:Design mix shall be done by IIT/NIT or any other Govt. Enigineering college/Institute.The expenditure shall be borne by contractor and nothing shall be paid extra.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size)

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form for :Lintels, beams, plinth beams, girders, bressumers and cantilevers

Consolidation of subgrade with power road roller of 8 to 12 tonne capacity including making good the undulations etc. complete as per direction 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. (a) With material conforming to Grade-III (size range 26.5 mm to 0.075 mm) having CBR Value-20. Note:Design mix shall be done by IIT/NIT or any other Govt. Enigineering college/Institute.The expenditure shall be borne by contractor and nothing shall be paid extra.

Providing and laying factory made cement concrete interlocking paver block of specified grade made by block making machine with strong vibratory compaction of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of sand, filling the joints with fine sand etc. all complete as per direction of Engineer-in-charge. 80 mm thick factory made CC paver block as per IS 15658:2006(Compressive strength 40 N/mm²)

Providing and applying primer coat with bitumen coat emulsion SS1 grade conforming to IS: 8887 on prepared surface and of Granular base including clearing of surface and spraying primer at 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 rate 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 in actual supply voucher from the nearest refinery at the time of execution. The rate of bitumen exclusive of GST shall only be considered for payment.

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 aggregate 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 110 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].Note:Design mix shall be done by IIT/NIT or any other Govt. Enigineering college/Institute.The expenditure shall be borne by contractor and nothing shall be paid extra.

Providing and applying tack coat using bitumen emulsion(Rapid setting) complying with IS:8887, spraying the bitumen with mechanically operated spray unit at the rate of specified below, cleaning and preparing the existing pavement surface as per specifications complete in all respects as per the direction of Engineer-In-Charge. If the actual quantity of bitumen varies from the quantity specified, necessary cost adjustment for deviation in the quantity of bitumen emulsion shall be done as per in actual supply voucher from the nearest refinery at the time of execution. The rate of bitumen exclusive of GST shall only be considered for payment. 0.20 Kg /Sqm on existing bituminous surface

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 aggregate 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].Note:Design mix shall be done by IIT/NIT or any other Govt. Enigineering college/Institute.The expenditure shall be borne by contractor and nothing shall be paid extra.

Suppling and filling good earth obtained from approved quarry (within radius of 10 km) in embankments or depressions in layers not exceeding 20cm (loose) in depth (or any thickness as aproved by the Engineer-in-charge in case vibratory roller is used) including breakig clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller of adequate capacity under optimum moisture content condition to give density not less than 98% of the maximum modified proctor lab density (as per IS 2720 Part VIII) complete includinng leveling, fine dressing to the required grade, camber and slope complete as per specifications and as directed by the Engineer-in-charge with all leads ad lifts. (The item icludes cost of work, payment of necessary royalty, carriage of good earth upto work site for all leads and lifts involved. Plasticity Index (PI) of the good earth shall not be more than 8, Payment to be made for compacted quantity only).

pk and company

M/S TANOR ENGINEERING

pabitra saikia

Sanjay Kumar Singh

SSD CONSTRUCTION