Re-construction of Rengma to Ghanashyam Baruah Ali and Bilpathar Naojan Road constructed under PMGSY Pkg.No.AS-08-85and five(05)years maintenance period completed under PWD SRRD under SOPD-G for the year 2020-21,Sarupathar LAC.Pkg.No.SOPD(G)/STRD/05

Amount

WBM Gr-2 Using Screening Type-B 11.2mm Agg. for Gr.II Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming requisite type of screening/binding materials to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density Grading 2 as per Technical Specification Clauses 405 (A) By Manual Means

WBM Gr-3 Using Screening Type-B (11.2mm Agg.) Providing, laying, spreading andcompacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density Grading 3 as per Technical Specification Clauses 405 (A) By Manual Means

Prime Coat ii Medium porosity Proving 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 0.90-1.20 kg/sqm using mechanical means as per technical specification clause 502

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion pressure distributor @ 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with mechanical broom as per technical specification clause 503

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete 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 @ 4.5 to 5% of mix and filler transporting the hot mix to work site,Laying with a hydrostatic paver finisher with sensor control to the reqd. grade, level and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect.(B) With rockdust as filler (refer table 500-9 of MoSRT&H specification (a) With 60/70 or VG-30 grade bitumen (ii) For Grading -II(10mm Nominal Size)

Maintenance of Earthen Shoulder (filling with fresh soil) 1. Making up loss of material/ irregularities on shoulders to the design level by adding fresh approved soil and compacting it with appropriate equipment at OMC upto a lead of 1000 m as per technical specification Clause 1903.)

Sri Jiban Chutia