Development of Drainage system from Kacha Nala near Ledo College to its outfall at Burhidehing River, Margherita (Construction of Slab Culvert 10.00 m Span) under PMKKKY Scheme for the year 2024-25 of Tinsukia District (Margherita LAC)

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 unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. i) PCC

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 unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. i) RCC in Superstructure

Construction of embankm.ent 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 (i) 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. (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) For Grading II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN 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 2 as per Technical Specification Clause 405. (A) By Manual Means

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone 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

Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.

Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.1

RCC Guard Post: Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed.15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications (Considering 80% length)

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance.

SHPC: 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 material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

PCC M10(1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawing and technical specification clause 1109

Laying 1st class bedding on well compacted sand, moorum as per clause 115(ii)Granular bedding

Brik masonry work in cement mortar in foundation of wall complete excl. pointing and plastering as per drawing and technical specification clause 1100(in prop. 1:4)

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. B) 1000mm dia

Plastering with cement mortar(1:6) 15mm. thick on brick work for substructure as per technical specification

Slab 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 material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Providing Concrete (M-15) for Plain Concrete in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203

Providing Concrete (M-15) for Plain Concrete in open foundations complete as per drawing and Technical specification clause 802, 803, 1202 & 1203

Providing Concrete (M-20) for Plain Concrete for substructure complete as per drawing & technical specification Clauses 702, 704, 1202 and 1204

Providing Concrete (M-30) for Plain/Reinforced Concrete in Superstructure complete for height upto 5 m as per drawing and Technical specification clause 802, 804, 805, 1202,& 1204 of specifiaction of Rural Roads including curing complete

Supplying, Fitting and Placing HYSD Bar Reinforcement in Superstructure including cost of Steel Material and carriage etc. complete as per Drawing and Technical Specification Clause 1002, 1005, 1010, and 1202 of Specification of Rural Roads

Providing Weep Holes in Brick masonry/ Stone masonry, Plain/ Reinforced concrete abument, 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 draw

Backfilling behind abutment,wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 i)Granular material

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of R.C.C. railing of M25 grade in cast-in-situ with 20mm nominal size aggregate,true to line and grade, tolerance of vertical railing post not to exceed 1in500, centre-to centre spacing between vertical posts not to exceed 2000mm as per drawing and technical specifications Clauses800,900and1208.3

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