Restoration to damaged HP culvert at 9th km of Tulungia Borghola road (Pakhriguri) by providing 2 cell 4.00m X4.00m box culvert under SDRF for the year 2021-22

Amount

Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of brick masonr y, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202 Cement mortar

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3.0m and lead upto 1000 m as per Technical Specification Clause 301.4.

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. ( C ) Above 900 mm dia Hume pipe

Construction of embankment with approved materials obtained from borrow pits with a lift of 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 . (I) Private Land.

Construction of Subgrade and Earthen Shoulders :-Construction of subgrade and earthen s houlders with approved material obtained from borrow pits with all lifts and leads, transporting to ite,spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 ( I) Private Land.

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) Fo Grading II material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification inc luding 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, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 2 as per Technical Specification Clause 405 ( A) By Manual Means,WBM-II

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification inc luding 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, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405 (A) By Manual Means,WBM-III

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleani ng of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 Medium porosity

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to requiredlevel and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508 (i) Bitumen (S-90)

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 (A) By manual Means,Case-I TypeA (11.2mm to 2.36mm) Bitumen (S-90)

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

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

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

Construction of Sub-Way :-Construction of embankment with approved materials obtained from borrow pits with a lift of 1.5 m, transporting to site, spreading,grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 . (I) Private Land.

RCC Box Cell Culvert :-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 mate rial and disposal upto a lead of 50 m,dressing of sides and bottom and backfilling in trenches with excavated suitable material I. Ordinary soil

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 1.Sand filling

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 1. P.C.C grade M20,Nomonal Mix 1:3:6

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 IV. R.C.C grade M20

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 1. P.C.C grade M20,Nomonal Mix 1:2:4

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, V. R.C.C. grade M25 (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 foundation complete as per drawings and technical specifications Clauses 1000 and 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

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

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 A.Granular Material

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 B.With Natueal Gravel. II. R.C.C. M25

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical railing post not to exceed 1 in 500, centre-to-centre spacing between vertical posts not to exceed 2000 mm as per drawing and technical specifications Clauses 800, 900 and 1208.3

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304 III. Cement Concrete grade M10

Drainage spouts complete as per drawing and technical specifications Clause 1209

Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less then 25 kg beyond curtain wal

Rudra Kumar Pathak