NIT 1125 Construction of CC Road Under MMGGPY PKG NO MMGGPY-BSP-66(05 works), District-Bilaspur

Amount

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

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

Compacting original ground / Existing Embankement (i)Compacting original ground supporting embankement/subgrade Loosing , levelling and compacting original ground supporting embankement / subgrade to facilitate placement of first layer of embankement , scarified to a depth of 150 mm mixed with water at OMC and then compacted by compacted by rolling to achieve minimum dry density as given in table 300.1 and 300.2 for embankement construction as per Technical Specification Clause 301.4.1

Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of brick 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.

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.

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. Ordinary soil i. Upto 3 m depth

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)

Dry Lean Cement Concrete Sub-base as per IRC:SP-49 (Construction of dry lean cement concrete Sub-base over a preparedsub-grade with coarse and fine aggregate conforming to IS: 383, thesize of coarse aggregate not exceeding 26.5 mm, aggregate cementratio not to exceed 15:1, aggregate gradation after blending to be asper table 600-1, cement content not to be less than 150 kg/cum,optimum moisture content to be determined during trial lengthconstruction, concrete strength not to be less than 10 Mpa at 7 days,mixed in a batching plant, transported to site, laid with a paver withelectronic sensor, compacting with 8-10 tonnes vibratory roller,finishing and curing as per clause 601.)

Cement Concrete Pavement 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.

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)

Providing and Fixing Informatory and Logo Board of PMGSY Project 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

(B) Providing and fixing of typical " PMGSY Citizen Information Board" made of brick/stone masonary of RCC as per drawings and specifications painted by standard colour as per drawing with lettering, border, heading, logo, arrows etc. using synthetic enamel paint of superior quality and all details as per standard drawings of PMGSY including excavation, concreting painting base, border and lettering, painting cross-section of road and other required details etc. complete as directed by Engineer-in-charge. (I) Brick/Stone Masonary

(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.

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

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

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)

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