Development Work of Remaining Roads, Drains, sewerlines, waterlines and parks In Pocket C madhuban Bapudham (PART-C)

Earth work by mechinical / manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with 'A tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift All kinds of soil (DSR-2.2.1)

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50m outside the periphery of the area cleared. (DSR-2.31)

Road Work :- 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- olling the sub grade and disposal of surplus earthwith lead upto 50 metres. (DSr-16.1)

Extra for compaction of earth work in embankment under optimum moisture conditions to give at least 95% of the maximum dry density (proctor density). (DSR-16.2)

Constuction of granular sub-base by providing close graded meterial (Grade-1) spreading in uniform layers with motor grader on prepared surface mixing by mix place method with rotavater at Omc and compacting with vibratory to achive the desired density complete as per MORTH clause 401 (without motor grader) (AR)

Providing and laying spreading and compactive grade stone aggregate to WMM specification Incluid premixing the material with at OMC in mechanical mix plant close grade mixing in mechanical mix plant at OMC carriage of mixed material by tipper to site laying in uniform layers with paver in sub base /base course on well prepared surface and compacting with vibrating roller to achive the desired density 406 of MORT &H specification and as per direction of the engineer-in charge (A.R)

Providing and applying tack coat with 80/100 (VG10) bitumen on prepared surface of granular base including cleaning the road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means including supply of all materials labour T&P etc required for proper comletion of the work as per clause 503 of MORT&H specifications and as per direction of the Engineer-in-charge (A.R.)

Providing and applying tack coat with 80/100 (VG10) 0.30 kg per sqm on the prepared bitumeneous / granular surface cleaned with mechanical broom including supply of all materials labour T&P etc required for proper completion of the work as per clause 503 of MORT&H specification and as per dierction of the Engineer in charge (A.R.)

Providing and laying 50mm thick compacted bitumenous mecadam on prepared surface with 100-120 tonnes per hour batch type Hot mix plant producing an average output of 75 MT per hour using crushed agregated of specified grading-II(19mmNominal Size) premixed with 80/100 (VG10) bitumenous binder @ 3.30% by weight of total mix transporting the hot mix material to work site laying with a hydrostatic paver finisher with sensor control to the required grade level and alignment rolling with smooth wheeled grade level and alignment rolling with smooth wheeled vibratory (8-10 tonnes) roller for initial brake down rolling finish rolling by smooth wheeled tondom roller (8-10 tonnes) to achieve the desired compaction including supply of all materials labour T&P etc required for proper completion of the work as per clause 504 of MORT & H specification sand as per direction of the Engineer in charge (A.R.)

Providing and laying compacted semi dense bitumenous concrete with 100-120 tonnes per hour batch type Hot mix plant producing an average output of 75 MT per hour using crushed agregated of specifled grading-I premixed with 60 70 (VG30) bitumenous binder @ 4.50% by weight of total mix and filler @ 2% by weight of total mix transporting the hot mix material to work site laying with a hydrostatic paver finisher with sensor control to the required grade level and alignment rolling with smooth wheeled vibratory (8-10 tonnes) roller for initial brake down rolling finish rolling by smooth wheeled tondom roller (8-10 tonnes) to achieve the desired compaction including supply of all materials labour T&P etc required for proper completion of the work as per clause 508 Grade-l(13 mm nominal size) of MORT & H specification sand as per direction of the Engineer in charge. (AR)