TN_292_04 Const. of CC Block road from Bilashipara Serfanguri PWD, road to Ajamul Ali House and Old MBF Company and Satbar field at Kodal Dhowa village under BTC for the year 2018-19

Amount

(A) ROAD WORKS: Clearing and grubbing road land including uprooting wild vegetation, grass, burshes,shurbs, sapling and trees of girth upto 300mm, 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 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical Specification Clause 201. (i) By Manual Means (A) In area of non thorny jungle.

Construction of embankment with approved material obtained from borrow pits, with a lift upto 1.50m, transporting to site, spreading , grading to required slope and compacting 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 lift 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 grannular 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 achive 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 static roller in stages to proper grade and camber, applying and brooming stone screening to fill-up the interstices of coarse aggregates, watering and compacting to the required density Grading-3 as per Technical Specification Clause 405

Providing and laying of interlocking Concrete Block Pavement (M30) having thickness 80mm as per technical specification clause 1504 complete including carriage (a) inclusive of Edge Block/ Edge Restraint

B. CROSS DRAINAGE WORKS: Earthwork in excavation for structure as per drawings and technical specifications, clause 305-1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal up to a lead of 50m, dressing of sides and bottom and backfilling in tranches with excavated suitable material I. Ordinary soil (i) up to 3.00 m depth

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and Technical Specification Clause 802,803,1202 & 1203. B. With Natural Gravel. II. P.C.C. grade M 15 (i) Nominal mix 1:2.5:5

Plain/reinforced cement concrete in substructure complete as per drawing and technical specifications Clauses 802, 804, 805, 806, 807, 1202 and 1204. B. With Natural Gravel III. RCC grade M 20. (i) height up to 5m

Providing and Laying Reinforced Cement Concrete in superstructure as per drawing and technical specification Clauses 800, 1205.4 and 1205.5 B. With Natural Gravel I. RCC Grade M20 (i) Nominal Mix 1:2:4 (a) Height upto 5m

Supplying, fitting and placing TMT (Fe500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in substructure complete as per drawing and technical specification Clauses 1002, 1005, 1010 & 1202.

Supplying, fitting and placing TMT (Fe500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in superstructure complete as per drawing and technical specification Clauses 1002, 1005, 1010 & 1202.

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 & 1206.3 B. With Natural Gravel

Providing weep wholes in brick masonry/plain/reinforced concrete abutment, wing wall/ return wall with 100mm dia AC pipe extending through the full width of the structures with slope of 1(V) : 20(H) towards drawing force complete as per drawing and Technical Specification Clause 614, 709, 1204.3.7.

Back filling behind abutment, wing wall and return wall complete as per drawing and technical specification Clauses 1204.3.8 A. Granular Materials

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

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

Providing and laying filter material underneath pitchnig in slopes complete as per drawing and technical specification clause 1302

MD. AZAMUL HAQUE

AZAZ AHMED