Improvement and surfacing on Mandi Gagal Chail Chowk Janjehali Chhatri Rana Bag Nagan road KM 0/0 to16/190 (Portion Pulghrat to Malori Tunnel KM 0/0 to 1/650)

Providing pulverizing, spreading, milling, and mixing of chemical additive at the appropriate rate as per job mix design in accordance IRC:SP-72-2015, IRC:37-2018 & IRC SP-89 (Part-II) 2018. Cementitious additive @ rate of 4–6% of mix and 850 to 1000 ml/cum soil stabilizer additives (Organosilane Nanotechnology and Nano acrylic copolymer each) should be Mixed in RMC (Required Moistur Content, OMC-NMC) water and cement spred on the reclaimed existing pavement material using a mobile truck-mounted container/cement spreader with microprocessor-controlled weighing and spreading system.The Cement spreader shall have variable working width sufficient to cover width of pavement lane. The in-situ stabilization process shall be carried out by a mobile and self-propelled stabilizer/reclaimer of working width of 2.4 m and with minimum engine horsepower 440 KW with a variable working depth up to 50 cm. The resultant stabilized mix then would be profiled to the required grade, level, and thickness using motor grader and properly compacted using 20-tonne padfoot roller in combination with smooth wheel roller to achieve desired density as per IRC:37-2012 & 2018 and complete in all respects including curing with water as required including all materials, labour, and machinery etc. The entire in-situ process would be carried out in single pass required including pulverizing of damaged asphalt pavement/soil/aggregate/soil-aggregate mixture to the desired depth and with simultaneous addition of additives and water with machine-integrated spray bars fitted on the wheeled self-propelled vibratory padfoot roller to achieve the desired proctor density in all respects.The tandem roller should be followed by pneumatic tyre roller. The unconfined compressive strength (UCS) of stabilized sub-base/base should be 4.5 to 7 MPa between 7/28 days of curing as per IRC:SP-72-2015, IRC:37-2012 & 2018 (also stabilized aspects of wet cycles of stabilized sub-base should be satisfied as per IRC:37-2012 & IRC SP-89 (Part-II) 2018). The gradation mixes and materials should be as per IRC:37-2012 & 2018 and IRC SP-89 (Part-II) 2018. The train of equipment to be used are binder spreader-water tanker-Additive truck-Recycler-Padfoot roller (20 tonne)-Single drum compactor-Grader-Tandem roller-Pneumatic tyre roller 20 tonne capacity including carriage of material with in all leads and lifts and other incidental complete as per direction of Engineer-in-Charge.The rate is including octroi, royalty, Malkana, toll taxes imposed by the Government but excluding GST.

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 including carriage of material with in all leads and lifts and other incidental complete as per direction of Engineer-in-Charge.The rate is including octroi, royalty, Malkana, toll taxes imposed by the Government but excluding GST.

Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor @ 0.25 to 0.30kg/sqm (at the rate of zero point two five to zero point three zero kilogramme per square metre) on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per technical specification clause 503 including carriage of material with in all leads and lifts and other incidental complete as per direction of Engineer-in-Charge.The rate is including octroi, royalty, Malkana, toll taxes imposed by the Government but excluding GST.

Providing and laying bituminous macadam with 100-120TPH hot mix plant producing an average output of 75TPH using crushed aggregates of specified grading premixed with bituminous binder, VG-30 transported to site laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clause 501.6 and 501.7 to achieve the desired compaction including carriage of material with in all leads, lifts and other incidental charges and as per the entire satisfaction and direction of Engineer-in-charge.The rate is including octroi, royalty, Malkana, toll taxes imposed by the Government but excluding GST.

Providing and laying 30mm (thirty millimetre) thick single layer bituminous concrete with 100-120 ( one hundred to one hundred twenty) TPH batch type HMP producing an average output of 75 (seventy five) tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder (VG-30) @ 5.4 to 5.6 (five point four to five point six) 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 MoRT&H specification clause No. 509 complete in all respects including carriage of material with in all leads, lifts and other incidental as per direction of Engineer-in-Charge.The rate is including octroi, royalty, Malkana, toll taxes imposed by the Government but excluding GST.