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Mastering Chipseal Techniques for Roads

Learn about oil properties, surface preparation, application techniques, and road temperatures essential for chipseal success. Explore various brooming and fog seal methods, converting gravel to road, and overcoming challenges.

jenniferricks
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Mastering Chipseal Techniques for Roads

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  1. 1)Oil Properties, Choices 1)Oil Shot Rates 3)Surface Preparation 4)Oil Application Techniques 5)Road Temperatures 5)Rollers Techniques 5)Brooming 5) Fog seals 5) Intersections 5)Using chipseals to converting Gravel 11)Overlapping Seams 11)What to do when things go wrong Survey Topics group’s order of preference

  2. 24% = 3/8”- #4 • 20% = 3/8”- other • 15% = 1/2”- 1/4” • 15% = 3/8”- #10 • 14% = 3/8”- #8 • 13% = Pre-coated • 6% = 1/4”- #10 • 3% = 1/4”- other • 0.2% = 3/4”- ½” None: 3/8”- #6 1/2”- other 3/4”- other other Rock Sizes Usage20 agencies that chipseal = 723 chip miles annually

  3. 35% = CRS-P • 24% = HFE-90-1-S / HFRS-P1 • 13% = AC15P • 10% = HFE-150 • 7% = CSS-1 • 5% = CRS-3P • 5% = HFE-100-S / HFRS-P2 • 1% = CRS-2 • 0.3% = HFE-90 / HFRS-2 • 0.03% = HFMS-2S No Usage HFMS-2 RS-LTP CSS-1H CMS-2 / CMS-2S PMCRS-2H MC-800 CAC15-5TR Other Oils Oil Usage20 agencies that chipseal = 723 chip miles annually

  4. Miles ChipTreat 18575% ¼” = 20% 3/8” = 30% ½” = 50% ¾” = gravel road convert base HFRS-P1 = 100% Fog = 100% HFRS-P1; HF90-1S dilute Double+ = 25% ½”; ¾” Baker 2011 data

  5. Miles ChipTreat 485205% 3/8”- #6 = 100% HFRS-P2 = 100% Fog = 100% HFRS-P1 dilute Double+ = 5% Sand = 70% ¼” -10 Do Crack Seal Benton

  6. Clackamas Miles ChipTreat 1,387655% ½”- ¼” = 100% CRS-2P = 100% Fog = 100% CSS-1 dilute Do Crack Seal

  7. Clatsop Miles ChipTreat 1852716% ¼”- #10 = 50% ½”- ¼” = 50% CRS-3P = 100% Fog = 100% CSS-1H dilute Double Chip+ = 18% 1/2”; then 1/4” Do Crack Seal Convert Gravel = some 2013 data

  8. Miles ChipTreat 2898030% ¼” = 40% (single & double) 3/8” = 40% (hot) ½” = 20% (double) CRS-2 = 60% (upper Co) AC15 5TR = 40% (hot) Double+ = 40% 100% of CRS-2; 10% of Hot Do Crack Seal Crook 2011 data

  9. Columbia Miles ChipTreat 390206% 3/8”- #10= 100% HFRS-P1 = 2% AC15P = 98% Double Chip+ = 15% CRS-2P w/ 3/8” - #10 Sand = 10% ¼”- #10 2013 data

  10. Miles ChipTreat 20098% 3/8”- #6 = 100% CRS-2 = 100% Fog = 100% CSS-1dilute Curry

  11. Deschutes Miles ChipTreat 7038613% Pre-coated Chips = 100% 1/4”- #10 = 5% 3/8”- #8 = 85% 1/2”- ¼” = 10% AC15P = 100% No Fog Required Do Crack Seal Have done Otta Seals

  12. Douglas Miles ChipTreat 9578510% 3/8” = 100%; nickel-slag CRS-2P = 100% 2011 data

  13. Miles ChipTreat 134 107% ½”- ¼” = 100% CRS-2P = 100% Fog = 100% CSS-1 dilute Double+ = 10% ¼”; ½” Do Crack Seal Convert Gravel = some Gilliam 2013 data

  14. Jackson Miles ChipTreat 767628% 3/8”- 4 = 95%; ½” = 5% CRS-2P = 100% Fog = 50% LMCQS Double+ = 3% LMCQS; 3/8”- 4 Do Crack Seal 2011 data

  15. Jefferson Miles ChipTreat 260106% 3/8 - #4= 20% 3/8 - other = 20% ½”- ¼” = 60% CRS-2P = 100% Fog = 100% HFRS-P1 dilute 2013 data

  16. Josephine Miles ChipTreat 560153% 3/8”- other - 100% CRS-2P = 100% Fog = 100% CSS-1 dilute Sand = 10%

  17. Klamath Miles ChipTreat 7508311% 3/8”- 4 = 90% PMCRS-2H = 100%; Fog = 10% CSS-1 dilute Double+ = No Crack Seal = Yes Convert Gravel = 1-mile PMCRS-2H; 5/8”; 3/8” 2011 data

  18. Lane Miles ChipTreat 1,250808% ¼” = 10%; 3/8” = 90% ¾” =gravel road convert base CRS-2P = 20%; AC15P = 80% (hot) Fog = 100% Double+ = 5% Crack Seal = Yes Some Convert Gravel 2011 data

  19. Miles ChipTreat 1,011526% ¼”- #10 = 4% 3/8”- #10 = 91% ½” - ¼” = 4% ¾” – 1/2”= 1% CRS-3P = 75% Pass Max = 25% Fog: 40% CSS-1H dilute 40% CQS1-1H dilute Double+ = 5% Do Crack Seal Convert Gravel = 1-2 Miles Have done Slurry, Scrub & Sandwich Seals Linn

  20. Marion Miles ChipTreat 930456% 3/8”- #8 = 70% ½”- ¼” = 30% HFRS-P2 = 100% Fog = 100% HFRS-P1 dilute Double+ = 5% Do Crack Seal contracted Slurry Seals

  21. Morrow Miles ChipTreat 346208% 3/4” – ½” = 100% CRS-2PE = 100% Double+ = 25% Do Crack Seal Convert Gravel Roads using Chipseals

  22. Multnomah Miles ChipTreat 3008 3% ¼”- #10 = 50% 1/4”- other = 50% CRS-3P = 100% Fog = 100% CSS-1 dilute Double+ = 100% Do Crack Seal = Yes 2013 data

  23. Polk Miles ChipTreat 2504016% 3/8”to other = 100% HFRS-P2= 100% Fog= 20% HFRS-P1 dilute Sand = 10% Do Crack Seal

  24. Tillamook Miles ChipTreat 26965% 3/8” = 100% RSLTP = 100% Fog = 100% Double+ = No Crack Seal = No Convert Gravel = No Marion County applies Chipseals 2011 data

  25. Wasco Miles ChipTreat 3003211% 3/8” = 90% ½” = 10% CRS-2P = 20% CRS-2 = 80% Double+ = 10% CRS-2P Do Crack Seal Have Convert Gravel Roads using chipseals 2011 data

  26. Miles ChipTreat 1,299284% 3/8”- #10 = 100% HFRS-P2 = 95% RS-LTP = 5% Fog = 100% HFRS-P1 dilute Sand = 100% Do Crack Seal contracted Slurry Seals Washington

  27. Yamhill Miles ChipTreat 34554% 3/8” = 75% ½” = 25% CRS-2P = 50% CRS-2 = 50% Fog = 50% CRS-2H dilute Double+ = 0 - 10% CRS-2P 3/8” Do Crack Seal 2011 data

  28. Pierce Wa Miles ChipTreat 1,535806% Pre-coated Chips = 100% 3/8”- #10 = 100% CAC-15%TR = 100% Fog= 100%G/CCBC QS Double+ = 5% AC15-5TR Do Crack Seal 2013 data

  29. SnohomishWa Miles ChipTreat 1,600805% 1/4”- #10 = 5% 3/8”- = 87% 1/2”- ¼” = 8% CSS-1 = 50% CRS-2P = 50% Fog= 1% CSS-1 dilute Double+ = 1% CRS-2P ½” Sand = 1% Coarse & dirty Do Crack Seal 2013 data then 3/8”

  30. Spokane Wa Miles ChipTreat 1,380907% 1/4”- #10 = 5% 3/8”- #10 = 90% ½”-1/4” = 5% HFE-150 = 5% CRS-2P = 95% Fog= 10% CSS-1 dilute = 90% CQS1 dilute – 10% Double+ = 1% Sand = 1% Do Crack Seal

  31. Pacific Wa Miles ChipTreat 301156% 1/4”- #10 = 25% 3/8”- #10 = 25% ½”-1/4” = 50% CRS-2P = 100% Double Chip+ = 75%

  32. Yakima Wa Miles ChipTreat 1,105605% ½”-1/4” = 98% other = 2% CRS-2P = 100% Double Chip+ = 2% Sand = 10% Do Crack Seal Have Convert Gravel Roads using chipseals = Sandwich Seals

  33. Miles ChipTreat 8,0002507% ¼” = 10% 3/8” = 85% ½” = 5% HFRS-P1 = 25%; CRS-2P = 20%; CRS-2 = 10%; RSLTP = 5%; AC15P & AC15-5TR = 10% Fog = 25% HF90-1S dilute; CSS-1H Double Chip + = 1%¼”; 3/8” Do Crack Seal ODOT 2011 data

  34. Miles ChipTreat 7,0522339% 3/8” - #4 = 90% ½” = 10% CRS-2P = 100%; Fog = 90%CSS-1 Double+ = 5% 3/8” Do Crack Seal WashDOT 2011 data

  35. BLM: Coos Bay Miles ChipTreat 400105% 3/8” = 80% ½” = 20% CRS-2P = 100%

  36. Miles ChipTreat 57282% ½”-1/4” = 100% Asphalt Cement w/ Crum Rubber 100% Fog = 100% CQS1-1H dilute Also do Cape & Slurry seals City of Vancouver, WA

  37. Oils Emulsions Examples “RS-1” , “HFRS-2” “CRS-2” , “CSS-1h” - - “SS-1” ; “CSS-1h” “MS-1” ; “CMS-2h” “RS-2” , “CRS-1” “CQS1”, “LMCQS” “CRS-1”, “HFMS-1” “CRS-2”, “HFMS-2” “CRS-2h”, “HFMS-2h” “HFMS-2s” “HFRS-2” , “HFMS-1” “HFRS-P1” , “CRS-2P” CRS-2P dilute “Anionic” – positive charge – no letter in front “Cationic” – negative charge – “C” in front “Nonionics”- neutral charge (new - not readily in place) SS = Slow Setting MS = Medium Setting RS = Rapid Setting QS = Quick Setting Lower numbers – less viscosity (“1”) Higher numbers – more viscosity (“2”) h = harder base asphalt used s = softer base asphalt used HF (preceding) = High Float (Anionic grades only) P = Polymer modified ( “S” & “L” are also used) dilute = cutback – used in fog seals

  38. Oils Emulsions Anionic RS-1 RS-2 HFRS-2 MS-1 MS-2 MS-2h HFMS-1 HFMS-2 HFMS-1h HFMS-2s SS-1 SS-1h Cationic CRS-1 CRS-2 CMS-2h CSS-1 CSS-1h Anionic are Positivity charged “ + “ Cationic are Negativity charged “ – “

  39. Oils Emulsions Anionic RS-1 RS-2 HFRS-2 MS-1 MS-2 MS-2h HFMS-1 HFMS-2 HFMS-1h HFMS-2s SS-1 SS-1h Cationic CRS-1 CRS-2 CMS-2h CSS-1 CSS-1h Rapid Setting (RS) Medium Setting(MS) Slow Setting (SS)

  40. Oils Emulsions Anionic RS-1 RS-2 HFRS-2 MS-1 MS-2 MS-2h HFMS-1 HFMS-2 HFMS-1h HFMS-2s SS-1 SS-1h Cationic CRS-1 CRS-2 CMS-2h CSS-1 CSS-1h Lower Viscous (1) Higher Viscous (2)

  41. Oils Emulsions Anionic RS-1 RS-2 HFRS-2 MS-1 MS-2 MS-2h HFMS-1 HFMS-2 HFMS-1h HFMS-2s SS-1 SS-1h Cationic CRS-1 CRS-2 CMS-2h CSS-1 CSS-1h Harden Asphalt Base (h) Soften Asphalt Base (s)

  42. Oils Emulsions Anionic RS-1 RS-2 HFRS-2 MS-1 MS-2 MS-2h HFMS-1 HFMS-2 HFMS-1h HFMS-2s SS-1 SS-1h Cationic CRS-1 CRS-2 CMS-2h CSS-1 CSS-1h High Float (HF)

  43. 2011 data Oils dilute = cutback – used in fog seals CRS = Cationic, Rapid Setting #4 CRS-2 = - 2(higher viscosity) Crook 60%; Wasco 80%; Yamhill 50%; ODOT 10%; #5 CRS-2h dilute = harden base Yamhill (fog) #6CRS-2P = Polymer modified ½ the agencies in the room #7CRS-2P diluteBaker

  44. 2011 data Oils CSS = Cationic, Slow-Set - fog #8 CSS-1 = 1(lower viscosity) Clackamas, Vancouver, ODOT, WashDOT #9 CSS-1h dilute = harden base Clatsop, Josephine, Multnomah,

  45. 2011 data Oils HFRS = High Float, Rapid Set #10 HFRS-P1 = Polymer mod. / Lower Viscosity Baker 100%; Benton 100%;, Gilliam 80%; Marion 100%;, ODOT 25%; #11 HFRS-P1 dilute = fog Baker, Benton,Marion, Tillamook

  46. 2011 data Oils HFRS = High Float, Rapid Set (continue) #12 HFRS-2 = higher viscosity Benton = lower lifts #13 HFRS-P2 = above w/ Polymer modified Clackamas 100%; Gilliam 10%; Gresham 66%

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