Improvement of U/M Gohain Ali under SOPD-G for the year 2020-21in PWD Sivasagar and Thowra Territorial Road Division (Length- 0.850 Km, Sivasagar LAC. Pkg.No. SOPD-G/2020-21/STTRD/SIV/01

Amount

Clearing grasss and removal of rubbish upto a distance of 30m outside the periphery of the area as per Technical Specification Clause 201 i) By Manual Means

Construction of embankment with approved materials obtained from borrow pits with a lift upto 1.5m, transporting to site, spreading, grading to required slope and compaction to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5. (i) Private Land

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) 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 smooth wheel roller to achieve the desired density,complete as per Technical Specification Clause 401.9 i) for Gr. II materials

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness , hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill up the interstices of coarse aggregate, watering and compaction to the required density as per Technical Specification Clause 405. Gr.III

Providing and laying inter locking concrete block pavement(M-400 having thickness 80 mm as per technical specification clause 1504 (Including cost of edge restrain wall).

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing Clause 801 (ii) 90 cm equilateral triangle

(ii) 60cmX60cm square

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guard and maintaining the plants for three year.

Earthwork in excavation for foundation of structures upto 3m depth as per drawing and technical specifications Clause 1104 including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109

Providing & laying reinforced cement concrete NP3 for culverts on first class bedding of granular material in Single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106 (B) 600 mm Dia

Brick masonry work in cement mortar in substructure complete excluding pointing and plastering as per drawing and technical specifications Clauses 602,603,604,1202 &1204

Plastering with Cement Mortar (1:3), 15 mm thick on brickwork in substructure as per technical specificationtechnical specification cl. 613.3

RUHIT HATIMURIA

Sri Rituraj Borgohain

SANTANU BURAGOHAIN