CRC-NGTRD-297

Amount

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material,disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 metres) 1(B) Cement Concrete Grade M-15 & M-20

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 305.5.2 as per Technical Specification Clause 302.3.11

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Construction of Granular Sub-base providing course graded material, spreading in uniform layers with motor grade on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.(including cost of testing of materials at site and laboratory as directed by the deptt.). (II) Grade II mterial.

Providing laying spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling, with -3wheeled steel/vibratory roller 8-10 Ton in stages to prpoer grade and camber, applying and brooming requisite type of screening / binding minding materials to fill up the interstices of coarse aggregate, watering and compacting to the reqired density (With an initial lead of 5.0Km) etc. as per Technical Specification clause 405.By manual means . iii) Grading - III materials

Providing and laying interlocking concrete block pavement with M40 grade of concrete block having thickness 80mm Interlocking precast block having compressive strength 40N/sqmm as per technical; specification clause 1504 complete including carriage and edge straining.

RCC Load bearing Drain :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 and disposal upto 50.00m, dressing of sides and bottom and backfilling with approved material.(A) Ordinary soil up to 3.00 m depth (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 305.5.2 as per Technical Specification Clause 302.3.11

Providing and laying of dry rubble flooring complete as per drawing and technical specifications clause No.1303.3.

Providing concrete for plain /reinforced concrete in Open Foundation (Plain cement concrete 1:3:6 nominal mix in foundation complete as per drawing & Technical specification. PCC Grade M 10.Nominal Mix 1:3:6.

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork. (E) RCC Gr.M20. Without plasticiser (a) Ht upto 5 m.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar ( Other ISI approved TMT reinforcement bar ) SAI/BISCON/ THERMAX or equivalent) in substructure complete as per drawing and technical specifications, Clause No.1002, 1005, 1010 & 1202.

Providing weep holes in brick masonry/plain/reinforced concrete abutment, wing wall/return wall with 100mm dia AC pipe extending through the full width of the structure with slope of 1V:20H towards drawing force complete as per drawing and technical specification.

Sand fillingin Foundation Trenches complete as per drawing and Technical specification.

RITUPARNA BAISHYA SAUD