SDSTPS

Excavation for damaged road portions by mechanical +B2:B7means including cutting, trimming bottom and sides in accordance with requirements of lines, grades and cross sections etc., complete for finished item of work for trench cutting as per MOR&H-2013, 5th Revision specification No.301 and as directed by the Engineer-in-Charge.

Providing, laying, spreading and compacting graded stone aggregates to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed materials by tipper to site, laying in uniform layers in four layers in base course on a well prepared sub base and compacting with 80-100 KN weight vibratory roller to achieve the desired density including lighting, barricading and maintenance of diversion etc as per table 400.11&400.12 and technical specification clause 406 of MORD/MORTH -2013, 5th Revision

Providing and applying primer coat with bitumen emulsion (medium setting) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means as per Tech. specification No. 502 of MORTH-2013, 5th Revision

Providing and laying dense graded bituminous macadam for a thickness of 60mm with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder of grade 80/100 (VG30)@ 4.0 to 4.5 per cent by weight of total 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 Clause 503 of MORTH-2013, 5th Revision specification clause No. 507 complete in all respects

Providing and applying tack coat with Bitumen emulsion (RS-1) (Rapid Setting) using emulsion distributor at the rate of 0.225 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause No.503 of MORTH-2013, 5th Revision.

Providing and laying semi dense bituminous concrete for a thickness of 25mm with 40-60 TPH batch type HMP producing an average output of 37.5 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder of grade 60/70 (VG10)@ 4.5 to 5 per cent of mix ‘Type B’ after Semi Dense Bituminous Concrete (SDBC)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- 2013, 5th Revision’ specification clause No. 508 complete in all respects.