NIT 1183 Construction & Maintenance of PMGSY Road Balance work PKG No CG 03-186 District-Dantewad

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 filled100mm dia A.C. pipe @ 100 m interval of as required on both sides of the formation width, marking on central line, setting out curves and recording of central line levels and other required levels and distances etc. levels and other required levels and distances etc. including setting out of cross- drainge structures & bridges with required reference pillars and marking etc. as directed by engineer-in-Charge.

Clearing Grass and Removal of Rubbish Clearing grass and removal of rubbish up to a distance of 30 m outside the periphery of the area as per Technical Specification Clause 201. By Manual Means

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.

Surface Drains in Soil 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 with lead upto 50 mExcavation 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 Subgrade and Earthen Shoulders Construction of subgrade and earthen shoulders with approved material (Granular material having CBR more 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.

Construction of Subgrade and Earthen Shoulders Construction of subgrade and earthen shoulders with approved material (Granular material having CBR more 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.

Construction of 2nd layer Bio enzyme based soil stablised layer to a required thickness as per manufacturer design with local soil material/gravel/murram, having CBR greater than 6% and treating it with TerraZyme 11x concentrate in the ratio 1L for 28.0 cum soil with 30% 40mm crusher broken metal in desing mix, spreading in uniform layer with tractor 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 incl all labour, materials, like soil and metal, equipments etc., complete. as per the directions of the Engineer incharge of the work . The soil will have PI between 7 and 10% and clay % by hydrometery should be more than 20% and less than 30%.

Construction of 2nd layer Bio enzyme based soil stablised layer to a required thickness as per manufacturer design with local soil material/gravel/murram, having CBR greater than 6% and treating it with TerraZyme 11x concentrate in the ratio 1L for 28.0 cum soil with 30% 40mm crusher broken metal in desing mix, spreading in uniform layer with tractor 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 incl all labour, materials, like soil and metal, equipments etc., complete. as per the directions of the Engineer incharge of the work . The soil will have PI between 7 and 10% and clay % by hydrometery should be more than 20% and less than 30%.

Granular Sub-base with Well Grded 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) (b) Crushed Stone Materials

WBM Grade -2Providing, 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 2 as per Technical Specification Clause 405.

WBM Grade -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

20mm thick Open-Graded Premix Carpet using Bituminous ( VG/modified bitumen ) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of aggregate 13.2mm size (passing 22.4mm size sieve & retained on 11.2mm sieve and 11.2mm size (passing 13.2mm sieve and retained on 5.6mm sieve) either using penetration grade/ VG bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508., Viscocity grade (VG) Bitumen specification as per IS 73:2006

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.

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510, Viscocity grade (VG) Bitumen specification as per IS 73:2006

Semi-Reflective Traffic signs upto 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

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 and Fixing of PMGSY 'Logo' Board Providing and Fixing of typical PMGSY logo board as per MoRD specification and drawings

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

(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

Kilometer Stone

5th Kilometre Stone (precast)

Ordinary Kilometer Stone (Precast)

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 & Laying Cement Concrete Pipe NP3 on first class bedding of granular material including fixing collar with cement sand mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonary work in head wall and parapets as per clause 1106 .(A) 600 mm Dia.

Providing & Laying Cement Concrete Pipe NP3 on first class bedding of granular material including fixing collar with cement sand mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonary work in head wall and parapets as per clause 1106 .(A) 300 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.

Construction of Plain Cement Concrete Drain with P.C.C. grade M-15 including all shuttering/form work etc. complete as per drawings/technical specification and direction of engineer in charge.

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 R.C.C. grade M 20 1:2:4

Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Construction of RCC open drain 0.60 m x 0.60 m inside dimension lined with 120 mm thick RCC M-20 walls, 120 mm thick CC M-20 foundation, over 100 mm thick (Av) levelling course in PCC M-15 including excavation, dressing of sides and bottom, provision of HYSD reinforcement consisting 8 mm dia horizontal bars @ 150 mm c/c and L-shaped 8 mm dia vertical bars @ 150 mm c/c (L=800 mm) including cutting, bending and binding wire, placing in position, providing shuttering and concreting by using concrete mixer, compaction by vibration etc complete as per drawings and technical specifications

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.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specification Clause 802,803,1202 & 1203 I. P.C.C grade M 10 (Nominal mix 1:3:6)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specification Clause 802,803,1202 & 1203 III. P.C.C grade M 15 (Nominal mix (1:2.5:5)

Providing concrete for plain/reinforced concrete in substructure complete as per drawings and technical specification Clause 802,804,805,806,807,1202 & 1204, For height upto 5 m II. P.C.C. grade M 15 (Nominal mix (1:2.5:5)

Providing and laying concrete for reinforced cement concrete in superstructure as per drawing and technical specification Clause 800,1205.4 & 1205.5 R.C.C. grade M 25 (Design Mix)

Providing and laying cement concrete wearing course M-30 grade including reinforcement complete as per drawing and technical specification.

Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 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 Clauses 614, 709, 1204.3.7

Providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification Clause 1204.3.8

Filler Joint (II) Providing and fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing and technical specifications

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

Road marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorizing 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.)

Say in lakh

Assistant Engineer

PIU CGRRDA

Dantewada