NIT 1164 Construction & Maintenance of PMGSY Road Balance work PKG No CG 19-168 District-Sukma

Setting Out Setting Out work complete with construction of bench mark (Min 1 per km) working benchmark (Min 4 per km) and near all bridges and cross-drainage works made of bricks/stone masonary or concrete and reference pillars made of precast concrete poles/concrete filled 100 mm dia A.C.pipe @ 100 m interval of as required on both sides of the formation width, marking on centre line, setting out curves and recording of centre line levels and other required levels and distances etc. including setting out of cross-drainage structures & bridges with required reference pillars and marking etc. as directed by Engineer-in-Charge.

Compacting Original Ground / Existing Embankment. Loosening, Levelling and Compacting original ground/existing embankment/supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Tables 300.1 and 300.2 for embankment construction as per Technical Specification Clause 301.4.1.

Construction of unlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307.

Excavation in Cutting in Soil by manual means Excavation for roadway in soil for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3

Construction of Embankment with Material Obtained from Pits Construction of embankment with approved material obtained from borrow pits, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 (Beyond 250m)with all leads as per Technical Specification Clause 301.5(Having CBR more than 5)

Construction of sub-grade and earthen shoulders with approved material (Granular material having CBR not less than 7) 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 as per Technical Specification Clause 303.1.For Item No.3.12(a) & (b)

Construction of sub-grade and earthen shoulders with approved material (Granular material having CBR not less than 10) 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 as per Technical Specification Clause 303.1.(To be used for side shoulder WBM)

Granular Sub-base with Well Graded Material (CBR 20 or more) (Table 400.1) Construction of granular sub-base by providing well graded material having CBR 20 or more, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory rollers of 80 to 100KN static weight to achieve the desired density, complete as per Technical Specification Clause 401. For Grading mentioned in table 400.1 (Grading III)

Water Bound Macadam with Crushable Screenings WBM Grading 3 Providing, laying, spreading and compacting mechanically crushed stone aggregates of specific sizes to water bound macadam specification including 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.

Prime Coat Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning 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

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

Surface Dressing using Bituminous (Penetrations grade / modified bitumen) Binder Case – I: Nominal chipping size 13.2 mm (II) Bitumen (VG-30)

Surface Dressing using Bituminous (Penetrations grade / modified bitumen) Binder Case – II: Nominal chipping size 9.5 mm (II) Bitumen (VG-30)

Semi-Reflective Traffic signs upto 0.90 sqm Direction and place identification signs up to 0.9 sqm size board Providing and erecting direction and place identifications of semi reflective sign boards as per IRC:67 made of 2 mm thick M.S. Sheet duly stove enameled paint in white colour in front and grey colour on back with red reflective border of 70 mm width and required message, letters, figures with reflective engineering grade tape as per MORD specifications of required shade and colour. Supported and welded on 47 mm x 47mm of 12 SWG Square tube of 3050 mm height duly strengthened by 25 mm x 5 mm M/s flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Cautionary, mandatory, informatory direction and place identification sign boards. Semi-Reflective Traffic signs more than 0.90 sqm sign board Providing and erecting direction and place identification of semi reflective sign boards as per IRC-67 made of 2 mm thick M.S. Sheet duly stove enameled paint white colour in front and grey colour on back with reflective border of 70 mm width and required message, letters, figures with reflective tape of engineering grade as per MORD specifications of required shade and colour. Supported and welded on two nos. 47 mm x 47 mm of 12 SWG square tube of 3050 mm height duly strengthened by 25 mm x 5 mm MS flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Providing & Fixing of PMGSY 'Logo' board Providing and fixing of typical PMGSY logo board as per MoRD specifications and drawings.

Providing and Fixing Informatory and Logo Board of PMGSY Project (B) 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

Providing and fixing 'Citizen Information Board' of PMGSY Project (A) Providing and fixing of typical " PMGSY Citizen Information Board" with Logo as per MoRD specifications & drawings, made of 75 mm square or 75 mm dia circular steel tube of 12 SWG 3.2 m height and cross member 2 nos 1m long, fixed with angle iron 50x50x5 mm MS angle on the back

Kilometer Stone Reinforced cement concrete M15 grade kilometer stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 (II) Ordinary Kilometer Stone (Precast)

Kilometer Stone Reinforced cement concrete M15 grade kilometer stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 (III) 200 m stone (precast)

Boundary Pillar Reinforced cement concrete M15 grade boundary pillars/local stone of standard design as per IRC:25, fixed in position including finishing and lettering but excluding painting as per drawing and Technical Specification Clause 1704

Providing and laying reinforced cement concrete pipe NP3 for Culverts/ Burried conduits on first class bedding of granular material including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106. (C) 450 mm dia

Excavation for Structure 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. i. Ordinary soil i. Upto 3 m depth