SNSTRD_PDNA_ET_25_26_03 Recovery and Reconstructlon of Kaliganj Chandrapur Road to Khangter under NDRF(PDNA-2022) for the year 2025-26

Amount

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 1000mm HPC-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.

CONSTRUCTION OF PILE BRICK GUARD WALL-Providing, driving with hydraulic piling rigs with power units and installing driven cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of shoe and the length of pile to be embedded in the pile cap etc. all complete. (Length of pile for payment shall be measured from top of shoe to the bottom of pile cap) : 20.1.1 400 mm dia piles

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204 A With Crushed Stone III RCC Grade M 20 i) For height upto 5 m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Brik masonry work in cement mortar in foundation of wall complete excl. pointing and plastering as per drawing and technical specification clause 1100(in prop. 1:4)

CONSTRUCTION OF TOE WALL-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. I. In Ordinary soil (i) Upto 3 m depth

Providing Providing concrete for plain/ reinforced concrete in open foundation complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. B. With Natural Gravel ( I). PCC Grade M10 Nominal mix 1:3:6. (Hand mixing)

Providing plain/reinforced concrete in Sub Structure complete as per drawings and technical specifications Clause 802, 804,805,806,807, 1202 & 1204. B. With Natural Gravel ( I). PCC Grade M15 (i) Nominal mix 1:2.5:5.

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7.

Sazidur Rahman (BID ID -292135)