NIT 1208 Construction of CC Road Under MMGGPY PKG NO MMGGPY-JDP-29(03 work) District-Bastar

Excavation in Cutting in Soil by Manual/Machinery 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

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.

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)

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.

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

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)

(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/Maintenance Information Boade” 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

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.(D) 300 mm dia

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.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204

Supplying, fitting and placing HYSD bar reinforcement (Fe 415) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Construction of Embankment with Material Obtained from Pits (i) Construction of embankment with approved material obtainedfrom borrow pits, transporting to site, spreading, grading torequired slope and compacting to meet requirement of Tables300.1 and 300.2 with all leads as per Technical SpecificationClause 301.5(Having CBR not less than 5) using vibratory roller.

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)

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

Assistant Engineer (CGRRDA PIU 01 Jagdalpur)