Recovery And Reconstruction of Dihira MV School To Tarabari Road Under NDRF (PDNA-2022) for The Year 2025-26. TN-386-1.

Construction of Embankment with Approved material 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 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 upto 1000 m, as per technical specification Clause 303.1 (ii) From 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 density, complete as per Technical Specification Clause 402

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 a mild steel angle iron post 75mmx 75mmx 8mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mmx450mmx600mm below ground level as per drawings and technical specification clause 801.600mm equilateral triangle

(B) Slab culvert of 2.00 M Span.: 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

providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specification clause 802,803, 1202& 1203. A. with crushed stone i. PCC grade M10 Nominal mix 1:3:6

Plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With Crushed stone I. P.C.C grade M 15 I Nominal Mix (1:2.5:5)

Providing and laying reinforced cement concrete in superstructure complete as per drawing and technical specifications Clause 800, 1205.4 and 1205.5. A. With crushed stone I. RCC grade M 20 (iii) For design mix RCC M20

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clause 800 and 1206.3 A. With crushed stone

Providing weep wholes in brick masonry/ stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100mm 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.

Drainage spouts complete as per drawing and technical specification clause 1209.

Providing and laying filter media with granular crushed aggregates as per specifications to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behiund abutment , wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification clause 1204 3.8

Supplying, fitting and placing TMT bar reinforcement (Fe 500) in sub structure complete as per drawing and technical specification Clauses 1002, 1005, 1010 & 1202.

Construction of RCC railing of M 25 grade in cast-in-situ with 20mm 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

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