Reconstruction of damaged portion of Diversion road at Boripara under state priority under SOPD-G for the year 2022-23.

Amount

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 material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201.By Manual Means (I) In area of non thorny jungle

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 1000 m as per Technical Specification Clause 303.1.

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 aggregates of specific sizes 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 density Grading 3 as per Technical Specification Clause 405. Using stone screening Type-B 11.2 mm for Gr.III

Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.Including Edge block/ Edge restraints

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, 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. 1.Ordinary soil A.Manual Means (I) Without dewatering

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Brick masonry work in cement mortar 1:3 in foundation complete excluding pointing and plastering, as per drawing and technical specifications

Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical specifications

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification B.Sandy material

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications. Random Rubble Masonry

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork . PCC Grade M20

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications .TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

PRANAB JYOTI BAISHYA

M/S Gen X Enterprise