Recovery and Reconstruction of Garamdew to Banahopa road under NDRF (PDNA-2022) for the year 2025-26. TN-386-4.

Construction of embankment with approved materials obtained from borrow pits with a lift upto 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 (ii) From Private land

Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement Table 300.2 with a lead up to 1000 m as per Technical Specification Clause 303.1. (ii) 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 three wheel 80-100 kN static roller capacity to achieve the desired

Providing and fixing retro reflectorised cautionery, mandatory and informatory sign as per IRC:67 made encapsulated lens type reflective sheeting vide clause 1701.2.3 fixed over aluminium sheeting 1.5 mm thick supported on amild steel angle iron post 75mm x 75mm x 8 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mm x 450mm x 600 mm below ground

(B) RCC Box Cell Culvert, Size=3 cell x 4.00 M x 4.00 M, 1 Nos: Earthwork in excavation of foundation 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 material and disposal up to a lead of 50m, dressing of sides and bottom and back filling in trenches with excavated suitable material. i. Ordinary soil

Sand Fillling in foundation trenches as per drawing and technical specification Clauses 305.3.9

PCC 1:3:6 in Foundation: Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A. With natural gravel (i) PCC Grade M-10 (i) Nominal Mix 1:3:6

RCC 1:2:4 in Foundation: 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 (iii) RCC Grade M-20

Plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification Clauses 802, 803, 1202 & 1203 B. With Natural Gravel iii) P.C.C.Grade M 20 (i) Nominal mix 1:2:4

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification clauses 802, 804, 805, 806, 807, 1202 & 1204 B. With Natural Gravel IV. R.C.C grade M25 (i) For height up tp 5m

Supplying, fitting and placing TMT(Fe-500D) reinforcement bar ( From Primary Producer :TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/ RINL) in foundation complete as per drawing and technical specifications Clauses 1000 and 1202

Supplying, fitting and placing TMT(Fe500D) reinforcement bar ( other ISI approved TMT reinforcement bar (SAIL,BISCON/THEMAX or equivalent) in substructrue complete as per drawings and technical specification clause 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 Clause 614, 709, 1204.3.7.

Back filling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 A. Granular Materials

Providing and laying reinforced cement concrete in superstructure complete as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 B. With Natural Gravel iv) R.C.C.Grade M 25 (i) Height up to 5m

Supplying, fitting and placing TMT(Fe500D) reinforcement bar ( other ISI approved TMT reinforcement bar (SAIL,BISCON/THEMAX or equivalent) in substructrue complete as per drawings and technical specification clause 1002, 1005, 1010, & 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

Const. of RCC Railing of m25 grade, cast in situ with 20 mm nominal size agreegate true to liine 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 specification clauses 800,900, and 1208.3

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304 III.Cement concrete grade M 10

Drainage spouts complete as per drawing and technical specification

Construction of flrxible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall

Construction of embankment with approved materials obtained from borrow pits with a lift upto 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

DISMENTLING OF CROSS DRAINAGE WORKS 2.5 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 unserivceable material with all lifts and lead of 1000 m as per Technical Specification Clauses 202. ii) By Mechanical Means (a) Cement Concrete Abutment

2.5 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 unserivceable material with all lifts and lead of 1000 m as per Technical Specification Clauses 202. ii) By Mechanical Means (b) Reinforced Cement Concrete Slab

STATEMENT OF PROTECTION WORK Providing and laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighing not less than 25 kg easc as per drawing and technical specification Clauses 1301 Approach

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