BT Road

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202 MORD / MORTH.

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201 MORD . complete.

Cutting open B.T. road surface (as well as asphalt concrete up to 75 mm thick) including water bound macadam

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.

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.

Vibrated cement concrete M 30 grade design mix using 20mm & 10mm HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate conforming to table 1000-2) including cost, ting, curing etc., including all other incidental and operational charges of all T&P etc., complete for finished item of work as per MoRT&H specification and as directed by the Engineer-in-Charge for C.C Pavement.

collection, supply and filling of Red Soil including cost and conveyance of all materials to work site all labour chargesand stacking to departmental guage etc., complete as per SS ans also as per directions of the departmental authorities during execution of the work

Construction of granular sub-base by providing well graded material/ close graded material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with smooth wheel roller 80-100 kN/ Vibratory Roller to achieve the desired density, complete as per Technical Specification of MORTH for Grading - III material.

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 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 and laying Bituminous Macadam with 100-120 TPH / 40-60 TPH hot mix plant producing an average output of 75 tonnes/ 37.50 t per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction as per Tech. specification No. 504 MORTH etc., complete in all respects for finished item of work as per directions of the departmental authorities

Providing and laying Semi Dense Bituminous Concrete with 100-120 TPH batch type hot mix plant producing an average output of 37.5 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5 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. 508 complete in all respects