SDRF or Disaster Management

RBR-EECD-15: Construction of subgrade with approved material obtained from roadway cutting with all leads and lifts including pre-watering of soil, spreading soil, breaking clods, sectioning, grading and consolidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of table 300-2 of MoRT&H, including all hire and operational charges of T&P etc., complete for finished item of work as per MoRT&H specification 305 (5th revision).

RBR-CCPV-5-Construction of M30 grade plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement @ 350 kg per cum 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 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 levelling 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 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.

Scarifying the existing B.T surface to a depth of 50 mm by Mechanical means and disposal of scarified material with all leads and lifts upto 1000 Mtrs as per MoRT&H (5th Revision) Specn. No.305.4.3 .

Earthwork in excavation by Mechanical Means up to 3m depth as per drawing and technical specification clause 305.1 including setting out, construction of shooting and bracing removal of slums and other deleterious material and disposal upto a lead of 50 m dressing of sides and bottom and blackfilling in trenches with excavated suitable material as per Technical Specification 305 MORD / 304 MORTH.

Providing, Laying, Spreading and compacting graded HBT crushed stone aggregate to Wet Mix Macadem specification including cost of all materials and 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 base courses 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 & MoRTH table 400-13(5th revision) for finished item of work.

Providing and applying Tack coat with Bitumen emulsion (MS Bulk) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503 MORD

Providing and Laying of 40mm thick compacted Bituminous Concrete with 100-120 TPH batch type hot mix plant using HBT crushed aggregates of Grading – 2 as per table 500-17 of specification 507 of MoRT&H (5th revision), premixed with bitumen VG-30 grade @ 5.40% of mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT&H Specification 507 (5th revision) complete for finished item of work in all respects as directed by Engineer-in-Charge