Recovery and reconstruction of NH 31 C to Dhupguri to Pachim Jaoliabari village road under NDRF PDNA-2022 for the year 2025-26 of Chirang District, BTC, Assam. Embankment Protection works and Road Works. TN_98_03

Road Works: Clearing & grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical specification Clause 201 (i) By Manual means (A) Inarea of non thorny jungle

Construction of Embankment with materials obtained from borrow pits, with a lift up to 1.5 m. transporting to site, speeding, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto 1000 m. as per technical specification clause 301.5. (a) 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 compacted to meet requirement of table 300.2 with lead upto 1000 m. as per technical specification clause 303.1 (a) from private land

By mix in place method : 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 (150 mm)

WBM :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 ii) grading iii) b) using Screening type-A(13.2 mm Agg)

I)Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 (inclusive of Edge block/Edge restraint and carriage) a) Including edge block/edge restrains (ICBP 80 mm)

Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of 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 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. 1) 600 mm equilateral tringle

2) 600 mm circular

Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specification and drawing. Three MS Plates of 1.6 mm thick,top and middle plate duly welded with MS flate iron 25mm x 5m size on back on edge. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The 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 75mm of 12SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 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

Kilometre Stone ReinforcedcementconcreteM15 gradekilometrestone/localstoneofstandard designasper IRC:8fixinginpositionincludingpaintingandprinting,etcasper drawing and Technical Specification Clause 1703: ii) Ordinary Kilo meter stone(precast)

200 m Stone (Precast)

Providing rubberised rumble strips

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering, fixing the tree guatrd and maintaining the plants for three year.

Metal Beam Crash Barrier, Type- A: "W" Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixedon the vertical post with a spacer of channel section 150mm x 75mm x 5mm, 330mm long complete as per clause 810.)

Protection work 97.00 m :: Earthwork in excavation for structures as per drawing and technical specifications Clause305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal up to a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. i) Ordinary soil : upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations completeasperdrawingsand technical specificationsClause802, 803, 1202 & 1203 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

Stonemasonrywork in cementmortar in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203. Coursed rubble masonry (1st sort) in 1:4 cement mortar

Coursed rubble masonry (2nd sort) in 1:4 cement mortar

Coursed rubble masonry (2nd sort) in 1:4 cement mortar

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

Protection work 80.00 m :: Earthwork in excavation for structures as per drawing and technical specifications Clause305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal up to a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. i) Ordinary soil : upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause802, 803, 1202 & 1203 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

Stone masonrywork in cementmortar in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203. Coursed rubble masonry (1st sort) in 1:4 cement mortar

Coursed rubble masonry (2nd sort) in 1:4 cement mortar

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

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