MGF

RBR-EECD-5 : Excavation for roadway in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections as per Technical Specification Clause 302.3 MORD / 301 MORTH.

RBR-SBBS-1 Construction of Granular sub-base by providing HBG material confirming to Grading - VI of MoRT&H Table 400-1 including cost,and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix in place method with Rotavator / approved means at OMC and compacting with vibratory roller to achieve the desired density etc., complete for finished item of work as per MoRT&H Specification 401 (5th revision) and as directed by the Engineer-in-charge.

RBR-FNDN-4 I(i) -Providing P.C.C grade M 10, Nominal mix concrete for in open foundations using 40 mm nominal size hard stone aggregate, mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 MORD and 1500, 1700 & 2100 MORTH.

RBR-CCPV-5: Construction of un-reinforced, 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 in a concrete mixer of not less than 0.2 cum capacity and appropeiate weigh batcher using approved mix design, laid in approved fixed side form work (steel channel, laying and fixing of 125 mictron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with sholvels, rakes, compacted using needle, scareed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant, near approaches to bridge / culvert and construction joints, admixtures as approved, curing of concrete slabs for 14- days, curing compound (where specified) and water finishing to lines and grade as per drawing and Technical Specification Clause 1501 MORD.

Vaccum dewatering of freshly laid cement concrete floor using 100% air tight suction mat of suitable size and length,vaccum pump to maintain vaccum pressure 0.7-0.8 atmosphere as per the standard procedure,floating with power floater,vibrating using Screed vibrator, mechanical trowelling, finishing with sound edges and corners,including hire and operational charges of machinery ,labour,fuel etc,complete for finished item as directed by the Engineer-in-Charge

Groove Cutting of 2-4 mm for 1/3rd depth of concrete slab using concrete groove cutting machine with diamond studded saw within 24 hours of casting of CC pavement including labour charges etc,complete for finished item as directed by the Engineer-in-Charge