Restoration of rain damages on Sajaun Sari Bani Shih road Km 0/0 to 5/0. (PDNA-2023)

Providing, laying, spreading and compacting stone aggregates by mechanical means of 63mm to 45mm (sixty three millimetre to forty five millimetre) sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN (eighty-hundred kilo newton) in stages to proper grade and camber applying and brooming, stone screening/binding materials to fillup the interstics of coarse aggregate, watering and compacting to the required density Grading-2 (two) as per Technical Specification clause 405 complete including carriage of material within all leads, lifts and other incidentals complete in all respect as per direction of Engineer-in-Charge.

Providing, laying, spreading and compacting stone aggregates by mechanical means of 53mm to 22.4mm (fifty three millimetre to twenty two point four millimetre) sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN (eighty-hundred kilo newton) in stages to proper grade and camber applying and brooming, stone screening/binding materials to fillup the interstics of coarse aggregate, watering and compacting to the required density Grading-3 (three) as per Technical Specification clause 405 complete within all leads, lifts, carriage of material and other incidentals charges complete in all respect as per direction of Engineer-in-Charge.

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 to 1.00 kg/sqm ( Zero point seven zero to one kilogramme per square metre) using mechanical means as per Technical specification Cluase 502 including carriage of material within all leads, lifts and other incidentals complete in all respect as per direction of Engineer-in-Charge.

Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30kg/sqm (zero point two five to zero point three zero kilogramme per square metre) on the prepared granular surfaces treated with primer and cleaned with hydraulic broom as per technical specification clause 503 including carriage of material within all leads, lifts and other incidentals complete in all respect as per direction of Engineer-in-Charge.

Providing, laying and rolling by mechanical means with bitumen (VG-10) @ 1.46 kg/sqm (at the rate of one point four six kilogram per square metre) of open graded premix carpet of 20mm (twenty millimetre) thickness composed of 13.2mm to 5.6mm (thirteen point two millimetre to five point six millimetre) aggregates either using penetration grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in suitable plant, laying and rolling with a three wheel 80-100 kN (eighty-hundred kilo newton) static roller capacity, finished to requried level and grades to be followed by seal coat of Type-B as per Technical Sepcification Clause 506 including carriage of material within all leads, lifts and other incidentals complete in all respect as per direction of Engineer-in-Charge.

Providing and laying seal coat Type-B by mechanical means sealing the voids in a bituminous surface laid to the sepcified levels, grade and crossfall using Bitumen (VG-10) @ 0.68kg/sqm. (as the rate of zero point six eight kilogram per square metre) as per Technical Specificaiton Clause 508 including carriage of material within all leads, lifts and other incidentals complete in all respect as per direction of Engineer-in-Charge.

Earth work in excavation for structures for all kinds of soil as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto any lead, dressing of sides and bottoms and back filling in trenches with excavated suitable materials complete including carriage of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge.

Providing and laying concrete for plain/reinforced concrete Grade-M-10 nominal mix 1:3:6 (one cement : three sand : twelve graded,crushed stone aggregate 20 mm (twenty millimetre) nominal size) in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203 curing complete within all leads, lifts carriage of material and other incidental complete in all respect as per direction of Engineer-in-Charge.

Providing and erecting a "W" Metal Beam Crash Barrier comprising of 3mm (three millimetre) thick corrugated sheet metal beam guard rail 70cm (seventy centimetre) above road/ ground level fixed on ISMC series channel vertical posts 150x75x5mm thick (one hundred fifty into seventy five into five millimetre) spaced 2.00 (two point zero) metre centre to centre 1.80 metre (one point eight zero) high 1.10 metre (one point one zero) below ground/ road level all steel parts and fitments to be galvanised by hot deep process, all fittings to confirm to IS: 1364, metal beam guard rail to be fixed on the vertical posts with a spacer of channel section 150x75x5mm (one hundred fifty into seventy five into five millimetre), 330mm (three hundred thirty millimetre) long complete as per clause 810 within all leads, lifts carriage of material and other incidentals as per direction of Engineer-in-Charge.