NIT 212 dt 02-09-2026 Construction of Road Under SCA Fund Antagarh-Bhaisasur to Surewahi Road Ni

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

Scarifying existing granular/bituminous surface upto a depth of 100 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

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.

(ii) Excavation in Soil by Manual/Machinery means and Tippers with disposal upto 1000 m Excavation for roadwork in soil with Manual/Machinery including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3

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)

Granular Sub-base with Well Graded Material (CBR 20 or more) (Table 400.1) (a) 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.

Construction of un-reinforced, dowel 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 eveling 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 debonding strips, primer, sealant, dowel bars, near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days, 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.

A typical design of PMGSY informatory Sign Board is shown in fig. 1700.1 The specification and installation details ofthe typical sign board are given below: (i)The board will be a composite unit consisting of three plates of Alumininm Composite Materials (ACM), material specifications are per Clause 1701.3.7 The top most plate will be in diamond shape of 600 mn x 600 mm size, riveted over welded M.S. angle iron frame of 25 mm x 25 mm x 5 mm size on back on edges. The middle plate will be 1200 mm 150 mm size riveted over welded rvr.s. angle iron frame of 25 mm x 25 nm x 5 mm size on back on edges. The main Iower most plate wiII be 1500 mn x 600 mm size, riveted over welded M.S. angle iron frame of 25 mm x 25 mm x 5 mm size welding of all the sheets over angle iron frame will be done neatly to have plain surface on one side. The angle iron frames of the lower most plate and the middle plate will be welded to two nos. 75 mm x 75 mm (12 SWG ) sheet tubes posts placed at 1125 mm apart centre to centre. The top of the middle plate wilt be flushed with the top of 75 nm dia medium steel tube posts and these posts will be embedded in cement concrete M 15 grade blocks of 450 mm x 450 mm x 600 mm below ground level. The height of bottom of the lower nost plate will be 1200 mm from normal ground level and the bottom of middle plate will be 100 mm above the top level of the lower most plate. The diamond shaped plate mounted over angle iron frame will be connected to middle plate by square medium steel section of 47 mm x 47 mm thickness 12 SWG having a spacing of 100 mm between the diamond shaped plate and middle plate and this square section will be welded to the bottom point of the diamond shaped plate. (ii) The lettering and borders etc. of middle and bottom plate, pMGSy logo on top plates shall be as per clause 1701.4.6 messages/Borders. All the section of frame and posts will be painted with primer and two coats of Epoxy paint The steel tube below ground level will be painted with three coats of Epoxy paint The design, painting and lettering shall be done as per approved drawing. (iii) For warranty and durability the clause 1701.5 and for maintenance the clause 1911 shall be applicable. (iv) A reference number along with the month and year of installation should be placed on the back of a sing in a contrasting colour or by stamping in characters not exceeding 50 mm in height.

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.

Speed Braker 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. For 7.50 M Formation Width

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

7.3 Bedding for Causeway/Pipe (II) Type B (First Class) Bedding Laying (First Class) bedding with well compacted sand, moorum or approved granular material as per Clause 1105 (ii)

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

Assistant Engineer

PIU-01, CGRRDA, Kanker