Construction of C.C. Pavement along with Pucca drain from J.D. road to Professor Colony at Kadamtola, Kokrajhar under SOPD BTC for the year 2022-23 of Kokrajhar District. TN No.97_07.

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 material; 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. i) By Manual Means A) In area of non thorny jungle

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 :: (l) Sand filling

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

Providing, laying, spreading and compacting graded stone aggregates to water bound macadam specification including spreading uniform thickness, hand packing rolling with smooth wheel roller 80-100kN in stages ………………. required density Grading-3 as per Technical Specification Clause 405: (A) By Manual Means

Construction of un reinforce, dowel jointed at expansion and construction joint only, plain cement concrete pavement, thickness as per design,over a prepared sub base, with 43 grade cement or any other type as per clause 1501.2.2 M30 grade, coarse and fine aggregrette conforming to is:383,maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing) spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrator and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant, dowel bars, near approaches to bridge/culverts and construction joints, admixture as approved, curing of concrete slabs for 14 days.

Providing and fixing retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 (iv) 80 cm x 60 cm

RCC Pucca drain Item NO. 1/11.1 :: E/W in excavation for foundation of structures as per drawings and technical specifications, Cl. 305.1, including setting out, construction of shorting and bracing, removal of stumps and other deleterious matter, and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. :: l) In ordinary Soil :: Depth up to 3m

Item No. 2/11.4 :: 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 :: PCC Grade M-10 :: Nominal mix 1:3:6

Item No. 3/12.40 (SOR-SH &MDR 2018-19) :: Supplying, Fitting and Placing un-coated TMT bar Reinforcement in Foundation complete as per Drawing and Technical Specifications. .. (a) TMTIS 1786 (Fe 500D) Primary producer (TATA/SAIL/ESSER STEEL/JINDAL PANTHER STEEL/SHYAM STEEL or Equivalent)

Item No. 4/12.10 :: Backfill behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8 :: B) Sandy material

Item No. 5/12.5 Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204:: B. With natural Gravel :: III) RCC Grade M-20 :: For height upto 5m

Item No. 6/12.9 :: 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 I(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Animesh Brahma

SIMANGEL BRAHMA