Improvement of BBCA Mission Road with Culvert at Tukrajhar under 15th Finance for the year 2022-23 during 2023-24

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 (A) 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 up to 1000 m as per technical specification clause 3003.1 (I) Private Land

By mix in place method 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

3) WBM Grading II Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 KN 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 Grading 1 as per Technical Specification Clause 405. (A) By Manual Means

3) WBM Grading III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 KN 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 Grading 1 as per Technical Specification Clause 405. (A) By Manual Means

Collection of 25 mm thick River Sand free slit and dust

Inter locking concrete Block pavement i) a) Providing and laying interlocking concrete block pavement having thickness 80mm as per technical specification

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203. B. With Natural Gravel P.C.C Grade M 15 Nominal mix (1:2.5:5)

RCC Box Culvert Earthwork in excavation for structures as per drawing and technical specifications Clause 1104 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 1) In ordinary Soil Upto 3.00 m depth

Sand Fillling in foundation trenches as per drawing and technical specifications. i) Sand filling

Plain cement concrete 1:3:6 nominal mixes in foundation with crushed stone agrregate 40 mm norminal size mechanically mixed, placed in foundation and compacted by vibration inclusing curing for 14 days.

Plain/reinforced cement concrete work in open Foundation as per drawings and technical specifications RCC Grade M15

Plain/reinforced cement concrete in substructure complete as per drawings and technical specifications RCC Grade M20 Height upto 5 M

Supplying, fitting and placing TMT bar reinforcement in substructrue complete as per drawings and technical specification. C) With other make ISI marked TMT re Bar

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications

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

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification II) Sandy Material

Providing and laying curtain walls complete as per drawing and technical specificationClause 1304 Cement concrete grade M10

Providing and Fixing of Sign Board

RONEN BASUMATARY

DHARAMSING NARZARY