San Angelo
District
Experience
Project 0-6748:
Narrow Pavement Widening
Overview
•Maintenance Experience
•Construction Projects
2
San Angelo District
Energy Sector
Energy Sector
Edge Drop Offs
Edge Drop Offs
Traditional Method
Scope of Work
W = 2 – 3 ft
D = 6 – 8 in
TY A LRA
(Black Base)
Bonnell Road Widener
Cost = $2000
Road Widener
In-House Device
Road Widener
Road Widener
In-House Device
In-House Device
Belly Dump
Side Discharge Conveyor
Side Discharge Conveyor
Side Discharge Conveyor
Side Discharge Conveyor
Level Material
Compaction
Compaction
Compaction
Compaction
Finished Product
Finished Product
Maintenance Experience
•Material Cost: $20,000 / Lane Mile
•Production: ½ Lane Mile / Day
Construction Project
Project STP 2012(456) HRR, ETC.
CSJ: 0554-01-031, ETC.
Highway: RM 336, ETC.
County: Real
Length: 24.673 mi
Cost: $3,573,1...
Limited Work Area
Limited Work Area
Existing: 18 ft to 20 ft Wide
Scope of Work: Add 3’ w/ 6:1 Base Taper
3 ft
ROADTEC RX-600e
Step 1: Mark Cut Line
Step 2: Mark Cross Slope
Step 3: Blade Existing Grass Off
Step4: RemoveExistingMaterial6” Deep
and 6.5’ Wide
ROADTEC Miller in Operation
Provides Clean Cut
Mills Through Existing Rock
Mills Through Existing Rock
Step 5: Haul Off ExcavatedMaterial
Step 6: Compact Existing Subgrade
Step 7: Dump Pre-Wet Flexbase
Step 8: Process Flexbase
Step 9: Prime with RC-250 Asphalt
and Gr 5 Aggregate
Overlap joint 6 in
Prime front slope
RemainingWork: PlaceFinal SealCoat
RemainingWork: PlaceFinal SealCoat
ProjectSTP 2012(456)HRR, ETC.
Project Cost: $145,000 / Mile
Narrow Pavement Widening - San Angelo District
Narrow Pavement Widening - San Angelo District
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Narrow Pavement Widening - San Angelo District

This presentation highlights highway pavement widening practices in the San Angelo District. Please remember to cite this research if the information you find here is used.
Published on: Mar 3, 2016
Published in: Education      Business      Technology      
Source: www.slideshare.net


Transcripts - Narrow Pavement Widening - San Angelo District

  • 1. San Angelo District Experience Project 0-6748: Narrow Pavement Widening
  • 2. Overview •Maintenance Experience •Construction Projects 2
  • 3. San Angelo District
  • 4. Energy Sector
  • 5. Energy Sector
  • 6. Edge Drop Offs
  • 7. Edge Drop Offs
  • 8. Traditional Method
  • 9. Scope of Work W = 2 – 3 ft D = 6 – 8 in TY A LRA (Black Base)
  • 10. Bonnell Road Widener Cost = $2000
  • 11. Road Widener
  • 12. In-House Device
  • 13. Road Widener
  • 14. Road Widener
  • 15. In-House Device
  • 16. In-House Device
  • 17. Belly Dump
  • 18. Side Discharge Conveyor
  • 19. Side Discharge Conveyor
  • 20. Side Discharge Conveyor
  • 21. Side Discharge Conveyor
  • 22. Level Material
  • 23. Compaction
  • 24. Compaction
  • 25. Compaction
  • 26. Compaction
  • 27. Finished Product
  • 28. Finished Product
  • 29. Maintenance Experience •Material Cost: $20,000 / Lane Mile •Production: ½ Lane Mile / Day
  • 30. Construction Project
  • 31. Project STP 2012(456) HRR, ETC. CSJ: 0554-01-031, ETC. Highway: RM 336, ETC. County: Real Length: 24.673 mi Cost: $3,573,173.63 Area Engineer: R. Lewis Nowlin, P.E. Contractor: Allen Keller Company
  • 32. Limited Work Area
  • 33. Limited Work Area
  • 34. Existing: 18 ft to 20 ft Wide
  • 35. Scope of Work: Add 3’ w/ 6:1 Base Taper 3 ft
  • 36. ROADTEC RX-600e
  • 37. Step 1: Mark Cut Line
  • 38. Step 2: Mark Cross Slope
  • 39. Step 3: Blade Existing Grass Off
  • 40. Step4: RemoveExistingMaterial6” Deep and 6.5’ Wide
  • 41. ROADTEC Miller in Operation
  • 42. Provides Clean Cut
  • 43. Mills Through Existing Rock
  • 44. Mills Through Existing Rock
  • 45. Step 5: Haul Off ExcavatedMaterial
  • 46. Step 6: Compact Existing Subgrade
  • 47. Step 7: Dump Pre-Wet Flexbase
  • 48. Step 8: Process Flexbase
  • 49. Step 9: Prime with RC-250 Asphalt and Gr 5 Aggregate Overlap joint 6 in Prime front slope
  • 50. RemainingWork: PlaceFinal SealCoat
  • 51. RemainingWork: PlaceFinal SealCoat
  • 52. ProjectSTP 2012(456)HRR, ETC. Project Cost: $145,000 / Mile