Re-construction of Road from Gali Borbali to Gali Moromi Tiniali (Non-PMGSY) in Jonai 114 (ST) LAC under SOPD-G for the year 2020-21, Jonai LAC

Amount

Dismantling of existing structure like culvert bridges retaning walls and other structure comprising of masonry cement concrete wood work steel work including T&P and scaffolding whereever necessary, sorting the dismantled materials disposal unserviceable materials and stacking the serviceable materials with all lifts and lead of 1000 m as per Technical Specification Clause 202.

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth upto 300mm, removal of stumps of trees cut earlier and disposal of serviceable materials to be used auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical Specification Clause 201.i) By Manual means (a) In area of light jungle.

Construction of embankment (Core) with approved materials obtained from borrow pits with lead upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 clause 301.5 (I) From Private land.

Construction of sub grade and earthen shoulders with approved materials obtained from borrow pits with initial lead upto 1.5 m, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 From private land.

Construction of Granular Sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per Technical Specification Clause 401. (With an initial lead of 5.00 km) ( i ) For Grading II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water Bound macadam specification including spreeding in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming,requisite type of screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 2 as per Technical Specification Clause 405. (iii) WBM Grading-III

Providing and laying Interlocking concrete Block pavement (M40) grade of concrete blocks having 80mm thickness as per technical specification 1504 complete including carrige a) including Edge block/Edge restarints )

Dismantling of existing structure like culvert bridges retaning walls and other structure comprising of masonry cement concrete wood work steel work including T&P and scaffolding whereever necessary, sorting the dismantled materials disposal unserviceable materials and stacking the serviceable materials with all lifts and lead of 1000 m as per Technical Specification Clause 202.

Earth work in excavation structures as per drawing and technical clause 305.1 including setting out, construction of shoring and bracing removal of stumps and other deleterious material and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavation suitable materials. 1. Ordinary Soil (i) Upto 3m depth

Sand Filling in foundation trenches- Filling in foundation trenches as per drawing and technical specification clause 305.3.9

Plain cement concrete 1:3:6 nominal mix with crushed stone aggregrate 40 mm nominal size mechanically mixed, placed in foundation and completed by vibration including curing for 14 days.

Plain/reinforced concrete in open foundation complete as drawings and technical specification including steel shuttering formwork (N) without plasticiser C. RCC Grade M20 case I Using concrete mixer.

Furnishing and placing reinforced cement concrete in superstructure as per drawing and technical specification including steel shuttering formwork (N) without plasticiser A RCC Grade M20 Case I Using concrete mixer (i) For solid slab superstructure (a) Height upto 5.00 m.

Supplying fitting and placing TMT bar reinforcement in superstructure including splicing complete as per Drawing and techical specification (i) TATA make TMT corrosion Resistant steel (CRS) reinfocement bar of Fe 500 N/mm2

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawings and technical specification clause 800 and 1206.3. A. With crushed stone.

Providing weep wholes in brick massonery /stone measonry, Plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe through the full with of the structure in 1V:20 H slope towards drawing face complete as per Cl. 614, 709, 1204.3.7.

Backfilling behind abutment , wing, wall and return wall complete as per drawing & technical specification clause 1204.3.8. Granular materials

INDRESWAR SAIKIA