Tribal Welfare Engineering Department Tender

Road work;GSB Grading-III: Construction of Granular sub-base by providing HBG material confirming to Grading - III of MoRT&H Table 400-2 and Table 400.1 of MORD including cost, and conveyance of all materials to work site and spreading in uniform layers with motor grader 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., as per technical specification 401 MORTH (4th revision) and 401 MORD and as directed by the Engineer-in-charge complete for finished item of work ( Payment will be made based on levels for finished item of work ).

Road work;Construction of improved subgrade/ Shoulders by providing selected earth having minimum CBR of 10%, MDD not less than 1.85 g/cc with LL & PI not more than 40% and 20 respectively"&" and spreading in uniform layers with tractor grader on prepared surface, and compacted at OMC with vibratory roller 80-100 kN to meet requirement of Table 300.2 with as per Technical"&" Specification Clause 303 MORD / 305 MORTH, by using machinery including contractors profit & Over head charges

Road work;Wet Mix Macadam:Providing, Laying, Spreading and compacting graded HBG crushed stone aggregate as per table 400.11 and 400.12 of MORD to Wet Mix macadem specification including cost,seignorage of all materials and including premixing the material with water at OMC in Mechanical mix plant (pug mill) carriag of mixed material by tipper to site , laying in uniform layers with motor grader on base course on well prepared surface and compacting with Vibratory roller to acheive the desired density etc., as directed by the Engineer-in-Charge and as per MoRT&H specification.406 (4th revision) and 406 MORD complete for finished item of work. (Payment based on levels for finished item of work)

Road work;Prime Coat: Providing and applying Primer Coat (LOW POROSITY) with Bitumen emulsion SS-1 on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechincal measns as per technical specification Clause 502 of MORD.

Road work;Tack Coat: Providing and applying tack coat with bitumen Emulsion (Rapid settting-1) using Emulsion pressure distributor at the rate of 0.275kgs per sqm on the prepared bituminous surface cleaned with hydralic broom as per MoRT&H Specification 503 (4th revision) and 503 MORD as directed by the Engineer-in-Charge complete for finished item of work.

Road work;Bituminous Concrete: Providing and laying bituminous concrete with 40 TO 60 TPH HMP/100-120 BMP batch type hot mix plnat producing an average uotput of 75 tonnes per hour using crushed aggregates of grading -II premixed with bitumonous binder 60/70 @ 5.4 to 5.6 percent of mix and filler with stone dust, trnsporting the hot mix to work site, laying with a mechanical paver to the required grade, level and alignment, rolling with smooth wheeled , vibratory and tandom rollers to achieve the desired compaction as per MORTH specification clause No 507 cmplete in all respects.

Road work;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 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 formwork (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, dowel bars, near approaches to bridge / culvert and construction joints, admixtures as approved, curing of concrete slabs for 14- days, with water finishing to lines and grade as per drawing and Technical Specification Clause 1501 MORD.