SNSTRD_PDNA_ET_25_26_13 Recovery and Reconstruction of Modanmohan Kahshiapunje to Mamadpur under NDRF(PDNA-2022) for the year 2025-26

Amount

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m 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 1000 m as per Technical Specification Clause 303.1. 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 Clause 401. II) For Grading II Material

Providing , laying, spreading and compacting stone aggregates of specified sizes to water bound macadam specification including spreading in uniform thickness , hand packing ,rolling with 3 wheels 80-100KN 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 compacting to the required density as per Technical Specification Clause 405. (3) Grading - III (Screening B). A) By Manual Means-

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per echnical specification clause 1504 including carriage. a) including Edge block/Edge restraints

Construction of 1000 mm dia HP Culvert: Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

PCC M10(1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawing and technical specification clause 1109

Laying 1st class bedding on well compacted sand, moorum as per clause 115(ii)Granular bedding

Providing Plain / RCC in Sub-Structure etc. complete as per drawing & technical specification clauses 802, 804, 805, 806, 807, 1202 & 1204 B) With natural gravel. I) PCC M-15 i) Nominal mix 1:2.5:5

Providing and laying reinforced cement concrete pipe 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)1000mm dia.

BISWAJIT ROY (BID ID -292251)