NIT 1188 Construction& Maintenanc Road Under MMGSVY PKG No. Nahadi To Muler, District-Dantewada

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 crossdrainage structures & bridges with required reference pillars and marking etc. as directed by Engineer-in-Charge.

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.

Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. (A) In area of non-thorny jungle

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 all lift and lead of 50 m as per Technical Specification Clause 307.

Excavation for roadway in hard rock (blasting prohibited) including breaking rock, loading in tippers and disposal with all lift and lead upto 1000 metres, trimming bottom and side slopes in accordance with requirements of lines, grades and cross- sections including stacking of excavated rock as per Technical Specification Clause 302.3.5

Excavation in ordinary rock including loading in a truck and carrying of excavated material to embankment site with all lift and lead upto 50 m as per Technical Specification Clause 302.3.5.

Construction of Embankment with Material Obtained from Roadway Cutting (i) Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of Tables 300.1 and 300.2 as per Technical Specification Clause 301.5

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 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 subgrade 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)

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)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406.

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 (iii) 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.

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

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 Case - II : Type B (II)Bitumen (VG-30)

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

Description Cement Concrete Pavement (ii) Construction of un-reinforced, jointed at expansion and construction joint only, plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M30 (Grade), coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including leveling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying, primer, sealant, using curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification Clause 1501.

Retro-Reflective Traffic signs Direction and place identification signs up to 0.9 Sqm. sisn board Providing and erecting direction and place identification of Retro reflective sheeting classs A/ class B sign boards type IV 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 MORI) specifications ofrequired shade and colour. Supported and welded on two nos.47 mm x 47 mm of 12 SWG square tube of 3050 mm height duty 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 mmr 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.

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 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811.3.

9.14 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 (I) 5th 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 (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

Guard Stone Reinforced cement concrete M15 grade Guard Stone of size 200 mm x 200mm x 800 mm fixing in position including painting and printing etc. as per drawing, Technical Specification and as per direction of Engineer in Charge.

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.)

Providing and laying rounded hump type of Speed Breaker confirming to IRC – 99 and as per guidelines and drawings of NRRDA circular no. DO No. P-17019/6/2006/PII Dated 16 Sept 2009, including providing, laying and compaction of GSB, G II, G III, OGPC, Seal Coat Type B, as per specifications and appended drawing on both the sides of carriage way up to formation width maintaining rounded hump type shape with bituminous mix material i/c providing and painting of black and white strips, providing and fixing of two no. 600mm equilateral semi reflecting sign boards, i/c cost of all materials, labour T & P & Machinery etc complete and as directed by engineer in charge as per relevant clauses of MORD specifications.

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. (A) 600 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

Providing concrete for plain/reinforced concrete in open foundation complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203

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.

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 II.R.C.C M 25 (Design mix)

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

Dismantling of Structures 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. (A)Lime Concrete

Dismantling of Structures 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. (C)Reinforced Cement Concrete

Dismantling Stone Masonry Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (A) Rubble Stone Masonry in Lime/Cement/mud mortar

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. (A) Upto 600 mm dia

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. (B) Above 600 mm to 900 mm dia

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. (C) Above 900 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

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. (ii)Ordinary rock (not requiring blasting) i. Upto 3 m depth

Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109 Nominal Mix 1:3:6(with 40mm Graded metal

Filling in Foundation Trenches as per drawing and technical specification Clause 1108 & 305.3.9 I. Sand filling

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

Filling annular space around footing in rock as per technical specification Clause 1203.4.3.P.C.C grade M 15 (Nominal mix 1:2.5:5)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 For height upto 5 m I P.C.C grade M 15 (Nominal mix (1:2.5:5)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 For height upto 5 m II P.C.C grade M 20 (Nominal mix (1:2:4)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 II.R.C.C M 25 (Design mix)

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 fixing in position pipe railing consisting of IS Rolled steel joist posts designation IS MB 100 (100x75) at 2.5 m interval and three rows of 50 mm dia steel pipes (light) including fixing in position on bridge deck complete as per drawing and technical specifications Clause 1208.2

Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design 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.

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

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

Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301

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.

Filler JointProviding and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans, covered with sealant complete as per drawing and technical specifications

Filler JointProviding and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6 per cent bitumen by weight.

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Tubular Steel Railing on Medium Weight Steel Channel (ISMC series) 100 mm x 50 mmProviding, fixing and erecting 50 mm dia steel pipe railing in 3 rows duly painted on medium weight steel channels (ISMC series) 100 mm x 50 mm, 1.2 m high above ground, 2 m centre-to-centre, complete as per approved drawings Clause 1706

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm 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.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Assistant Engineer

PIU CGRRDA

Dantewada