Widening and Strengthning of Block Mukhyalay Amaniganj to Maa Murtihan Mandir Rautawa, Maghai Rai via Surypuri Maharaj Raipur ODR and 05 year Maintenance work

Excavation for roadwork in soil with hydraulic excavator 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 within all lifts.

Earthwork in cutting or in embankment in ordinary / moorum soil, excavation to be in the from of regular pits not exceeding 1/2 metre C 20") in depth and earthwork in embankment to be in 20cm(8) Layers including ramming and dressing the surface to required levels and slopes and also including 1.5metre (5ft) lift and 30m.(100ft) lead. The earth from cutting to be used in making embankment or to be desposited as spoil banks within 30m.(100ft) distance as directed by the Engineer-in-Charge.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401.

Providing, laying and spreading of graded stone aggregate(WMM) after mixing with 4% portland cement with water at OMC in mechanical mix plant carriage of mixed material by tripper to site, laying in uniform single layer with paver as cemented base on sub base / sub grade (modified soil) and compacting with the road roller to achieve unconfined compressive strength as specified by Engineer-in charge.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

Providing and applying primer coat with SS2 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.

Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 310 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2

Construction of U-Type Drain- 300mmx450mm and Retaining wall -Earthwork in excavation for structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.