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| 1 | Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 2 | Excavation for earthwork in all kinds of soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location with all lifts and lead within Airport premises as directed by Engineer-in-Charge. |
| 3 | Filling available excavated earth in depressions, low lying area in layers not exceeding 20cm in depth, consolidating each deposited layer by watering and ramming with 0.5 tonne roller and every 3rd & topmost layer with 8-10 tonne vibratory roller, lead up to 500 m and lift upto 3.5 m complete as per directions of Engineer-in-Charge. |
| 4 | Supplying & Filing good earth brought out from approved quarry outside the Airport premises including all leads/royalty etc. complete (Excluding Rock) in embankments, depressions etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by watering & ramming with 0.5 tonne roller and every 3rd & topmost layer with 8-10 tonne vibratory roller etc. complete as per direction of Engineer-in-Charge. |
| 5 | Consolidation of sub grade with power road roller of 8 to 12 tonne capacityincluding making good the undulations etc. with earth or quarry spoils etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres as per directions of Engineer-in-Charge. |
| 6 | 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 mechanical mix plant , carriage of mixed material by mechanical transport to site, for all leads and lifts,laying in uniform layers with mechanical paver finisher 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. |
| 7 | Providing and laying dry lean cement concrete with coarse and fine aggregate conforming to 1S:383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not exceed 15:1, aggregate gradation after blending to be as per specification, cement content not to be less than 150 kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 MPa at 7 days, mixed in a batching plant as per mix design, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonne vibratory roller, finishing and curing etc complete as per specification and direction of the Engineer-in-Charge. |
| 8 | 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) : 8 graded stone aggregate 40 mm nominal size) |
| 9 | Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge). |
| 10 | Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 30mm thick compacted bed of sand, compacting and proper embedding/laying of interlocking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in-Charge. a) 80 mm thick C.C. paver block of M-40 grade with approved colour design and pattern. |
| 11 | Painting runway/taxi track/apron marking with adequate no. of coats to give uniform finish with road marking paint of superior make asapproved by the Engineer-in-charge including cleaning the surface of all dirt, scales, oil grease and other foreign material etc. and lining out complete.New work-Two or more coats |
