BT ROAD

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 material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material as per Technical Specification 305 MORD / 304 MORTH

Carting away the surplus excavated earth from the work site with a lead of 3.00 Km beyond initial lead including loading, unloading, conveyance and stacking charges etc., complete.

Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN / Vibratory Roller 80-100 kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406 MORD / MORTH for finished item of work.

Providing and applying Primer Coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 MORD (for use on Wet mix macadam & WBM) etc., complete as per S.S. and as per directions of the departmental authorities. (Low porosity)

Providing and laying of 50mm thick bituminous macadam with HOT Mix Plant producing an average output of 37.50 tonnes per hour using hard blasted granate crushed aggregates of Grade.II premixed with bituminous binder of V.G. 30 grade @3.40% by weight of total mixer, transported to site laid over a previously prepared surface with mechanical paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction for finished item of work as directed by the Engineer-in-Charge including hire and operational charges all T&P and all other contingent charges necessay including cost of seigniorage charges on all materials etc., complete and as per MORTH Specification. Note: Quantity of bitumen is proposed for rate analysis only. The actual quantity will deperd upon job mix formula.

Providing and applying Tack Coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per Tech. specification No 503 MORTH.

Providing 25mm thick compacted semi dense bituminous concrete by hot mix plant using hard blasted granite crushed aggregate of grading-II premixed with bituminous binder V.G.30 grade 5.00 per cent of mix and filler, transporting the hot mix to work site, laying with a Mechnical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification complete for finished item of work in all respects as directed by Engineer-in-charge. Note: The percent of bitumen is proposed for rate analysis only. The actual percent shall be arrived based on job mix formula

Collection, supply and filling of Stone crusher dust finer than 3mm with not more than 10% passing 0.075 sieve including cost and conveyance of all materials, labour charges, watering and compacting etc., complete as per ss under bed concrete

Plain Cement concrete (1:4:8) using 40 mm metal with concrete mixture including cost and conveyance of all materials, labour charges, machine mixing charges, curing charges etc., complete as per S.S.

Laying of Plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43/53 grade at cement as per Clause 1501.2.2 (M30 Grade) at 400 kg per cum, coarse and fine aggregates conforming to IS: 383, maximum in a concrete mixer of not less than 0.28 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 mictron thick 10 polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, near approaches to bridge / culvert and construction joints, and curing of concrete slabs for 14 days and water finishing to lines and grade as per drawing and Technical Specification Clause 1501 MORD.