Improving Riding Quality of Pavement (IRQP) work of Simariya- Tandwa road from km 0.00 to 26.85 under RCD Division, Chatra for year 2026-27.

Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area.RCDSOR 2.02

Dismantling of flexible pavements and disposal of dismantled materials upto a leadof 1000 metres, stacking serviceable and unserviceable materials separately.By mechanical means.Granular courses.RCDSOR 2.05(ii)B

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification 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 sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density SOR 4.14B.

Providing and applying primer coat with SS1 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means. SOR-5.01A(i)

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. SOR 5.2 (i)

Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @4.5 percent 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 MORT&H specification clause no. 505 complete in all respects with VG-30 Bulk Bitumen.SOR-5.04A(B)

Bituminous Concrete Grading-II With VG-30 Bulk Bitumen (Providing and laying bituminous concrete with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 percent 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 MORT&H specification clause No. 507 complete in all respects with VG-30 Bulk Bitumen.RCDSOR 5.05AB

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2) SOR 3.18

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes. SOR 8.13

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-B Type XI retro reflective sheeting fixed cover 2 mm thick aluminium sheeting vide clause 801.3, 3mm/4mm thick aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. SOR 8.04B (ii) 90cm Equilatral Tringlar.