Permanent Restoration of Br. No.3/1 over River Anglisinga on Hazua Bhuyapara Road under SOPD (BTC) for the year 2021-22. (TN_39_4)

Amount

Road Work: Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned, up to a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness. i) By Manual Means. A) In area of non thorny jungle.

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

Construction of sub-grade and earthen shoulders Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slopes and compacting to meet required of Table 300.2 with lead up to 1000 m as per Technical Specification Clause (a) Private land

(A) By Mix in place Method- 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. (ii) For Grading II Material

Providing, laying, spreading and compacting stone aggregate of specification size to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming, stone screening to fill up the interstices of coarse aggregate, watering and compacting to the required... (A) By Manual Means Using Stone screening Type-B 11.2 mm for Gr.III

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 including carriage.

Providing and fixing of recto-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 1.5mm thick supported on a mild steel angle iron post 75mmx 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mm x 450mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 801. (ii) 600 cm equilateral triangle.

Supplying,fitting and fixing RCC guard post size 150 cm long erected 75cm above the ground and 75cm below the ground, with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top. curing including painting concrete surface in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. (ii) 15 cm dia RCC guard post with reinforcement of 4 nos. 12mm dia TMT main steel bars and 6mm TMT/MS stirrups at 15cm c/c.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 & IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications clause 1301.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications clause 1302.

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specification clause 1302. (I) Stone/Boulder

Pradip Narzary