Caltrans Office of Roadside Management & Landscape Architecture Standards Using Compost to Improve Erosion Control and Hig...
Highway Planting & EC <ul><li>Why? </li></ul>
Why Highway Planting & EC? <ul><li>Safety </li></ul><ul><ul><li>Headlight Glare Screen </li></ul></ul><ul><ul><li>Roadway ...
Why Highway Planting & EC? <ul><li>Aesthetics (Project Fit) </li></ul>
<ul><li>Environmental Compliance </li></ul><ul><ul><li>Revegetation </li></ul></ul><ul><ul><li>Mitigation Planting </li></...
What’s the Common Thread? <ul><li>Safety </li></ul><ul><li>Aesthetics </li></ul><ul><li>Environmental Compliance </li></ul>
<ul><li>Plants </li></ul>What’s the Common Thread?
<ul><li>Factors  Limit Plant Growth? </li></ul><ul><li>Treatments  That Address Limits? </li></ul>Soils Resource Eval. Sys...
<ul><li>Key Factors That Limit Plant Growth </li></ul><ul><ul><li>Slope Stability </li></ul></ul><ul><ul><li>Protection Fr...
Key Treatment <ul><li>Compost </li></ul>
Compost and Soil Structure <ul><li>Soil Soaked in Bleach </li></ul><ul><ul><li>No Organics </li></ul></ul><ul><ul><li>Coll...
<ul><li>Reduced Splash/Rill Erosion </li></ul><ul><li>Reduced Runoff Volume & Rate </li></ul><ul><li>Increased Infiltratio...
<ul><li>Reduced Splash Erosion </li></ul>Compost and Soil Structure
<ul><li>Reduced Runoff Volume </li></ul><ul><ul><li>Half the Volume of Bare Soil </li></ul></ul>Compost and Soil Structure
<ul><li>Reduced Runoff Rate </li></ul><ul><ul><li>Half the Peak Rate of Bare Soil </li></ul></ul>Compost and Soil Structure
<ul><li>Increased Infiltration </li></ul><ul><ul><li>Double the Infiltration Volume of Bare Soil </li></ul></ul>Compost an...
<ul><li>Increased Water Holding Capacity </li></ul><ul><ul><li>Double the Volume of Water Retained Than Bare Soil </li></u...
<ul><li>Less Runoff & More Water in The Soil… </li></ul>Compost and Soil Structure
<ul><li>Improved Biological Activity </li></ul><ul><ul><li>Food & Air </li></ul></ul><ul><ul><ul><li>Soil Bacteria </li></...
Recap <ul><li>Healthy Plants </li></ul><ul><li>Healthy Soil </li></ul><ul><li>Compost </li></ul>
<ul><li>What is Compost? </li></ul>What Is Compost?
What Is Compost? Time Temperature Compost
What Is Compost? Is  This  Compost?
What Is Compost? Or  This ?
<ul><li>Or  This ? </li></ul>What Is Compost?
What Is Compost? Time Temperature Compost
<ul><li>Specs </li></ul>New/Revised Specifications
<ul><li>Why  Revise the Compost Material Specification? </li></ul>Why Revise The Spec?
<ul><li>Lower Cost </li></ul><ul><li>Improve Quality Control </li></ul><ul><li>New Ideas </li></ul>Why Revise The Spec?
<ul><li>Cost </li></ul>Why Revise The Spec?
Compost Use Increasing Cubic Yards
Costs Remain High
<ul><li>Current Weighted Avg >$300/CY </li></ul><ul><li>High Price Due To: </li></ul><ul><ul><li>Bagged (vs Bulk) Material...
<ul><li>Use Bulk (vs. Bagged) Materials </li></ul><ul><li>Alternative Application Methods </li></ul><ul><ul><li>Bulldozer ...
Application Flexibility = Lower Costs Cost Recap
<ul><li>QC </li></ul>Why Revise The Spec?
Tighter Spec = QC
<ul><li>Maturity </li></ul>Why Revise?  Quality Control Old Spec Tests For:
<ul><li>Maturity </li></ul><ul><li>pH </li></ul><ul><li>Soluble Salts </li></ul><ul><li>Stability </li></ul><ul><li>Pathog...
<ul><li>Contractor Performs Solvita Test (For Maturity) in the Field </li></ul><ul><li>Contractor Submits Results to the E...
<ul><li>Producer Submits Samples to STA Lab </li></ul><ul><li>Samples Tested via STA Methodologies </li></ul><ul><li>Resul...
<ul><li>Improved (Standardized) Testing </li></ul><ul><li>Improved Submittals  </li></ul><ul><li>Greater Quality Assurance...
<ul><li>New Ideas </li></ul>New/Revised Specifications
New Ideas <ul><li>Cost Effective Bulk Application Methods </li></ul>
EC (Type C) vs EC (Cultivate) <ul><li>Which Is The More Permanent Solution? </li></ul>
Rotary Spading Machines <ul><li>Rotary Spading Machines </li></ul><ul><ul><li>22” Depth – Single Pass </li></ul></ul><ul><...
Other Incorporation Options <ul><li>Spider Excavator </li></ul><ul><li>An Option for Steep Slopes? </li></ul>
<ul><li>New Ideas </li></ul><ul><li>New Specs </li></ul><ul><li>Sustainable Roadsides </li></ul>Ideas Recap
<ul><li>The Specs </li></ul>New/Revised Specifications
<ul><li>Planting Specs </li></ul>New/Revised Specifications
Planting Specifications <ul><li>Mulch  </li></ul><ul><li>Soil Amendment </li></ul>
<ul><li>Mulch </li></ul><ul><ul><li>Revised Compost Definition </li></ul></ul><ul><li>Soil Amendment </li></ul><ul><ul><li...
<ul><li>EC Specs </li></ul>New/Revised Specifications
Erosion Control (Type C/D) <ul><li>Erosion Control (Type C) </li></ul><ul><li>Erosion Control (Type D) </li></ul>
Erosion Control (Drill Seed) <ul><li>Erosion Control (Drill Seed) </li></ul>
EC (Compost Blanket & Cultivate) <ul><li>Erosion Control (Compost Blanket) </li></ul><ul><li>Erosion Control (Cultivate) <...
<ul><li>EC (Type C & Type D) </li></ul><ul><ul><li>Updated Compost Definition </li></ul></ul><ul><ul><li>Removed Seed Inoc...
<ul><li>All Specs </li></ul>New/Revised Specifications
Compost – “Materials” Spec <ul><li>Compost Shall Comply With the Following… </li></ul>
Producer Requirements <ul><li>Compost Producer Shall be Fully Permitted Per:   </li></ul><ul><ul><li>California Integrated...
Feedstock Options <ul><li>Green   Material </li></ul><ul><ul><li>Chipped, Shredded, or Ground Vegetation </li></ul></ul><u...
<ul><li>Shall be Composted to Reduce Weed Seed and Pathogens in Conformance with CA. Title 14, CCR, Div. 7, Ch. 3.1, Art. ...
<ul><li>Be Derived from Mixed Municipal Solid Waste. </li></ul><ul><li>Contain Paint, Petroleum Products, Herbicides, Fung...
<ul><li>Possess Objectionable Odors </li></ul><ul><li>Possess Metal Concentrations Exceeding Title 14, CCR, Div. 7, Ch. 3....
Physical/Chemical Requirements
<ul><li>Compost Technical Data Sheet   </li></ul><ul><li>Copy of the Compost Producer’s STA certification </li></ul><ul><l...
<ul><li>Recap </li></ul>New/Revised Specifications
Recap <ul><li>Planting Specifications </li></ul><ul><ul><li>Mulch </li></ul></ul><ul><ul><li>Soil Amendment </li></ul></ul...
<ul><li>http://pd.dot.ca.gov/design/landscape/nssp/planting.htm </li></ul>Planting Specifications
<ul><li>http://pd.dot.ca.gov/design/landscape/nssp/ec.htm </li></ul>Erosion Control Specifications
<ul><li>Use the Specs </li></ul>Remember
Using Compost to Improve Erosion Control and Highway Planting Thank-You
The Laboratory <ul><li>Compost Filter Socks </li></ul><ul><ul><li>Currently Under New Products Review Process </li></ul></ul>
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Caltrans 2006 Compost Workshop

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  • Caltrans 2006 Compost Workshop

    1. 1. Caltrans Office of Roadside Management & Landscape Architecture Standards Using Compost to Improve Erosion Control and Highway Planting
    2. 2. Highway Planting & EC <ul><li>Why? </li></ul>
    3. 3. Why Highway Planting & EC? <ul><li>Safety </li></ul><ul><ul><li>Headlight Glare Screen </li></ul></ul><ul><ul><li>Roadway Delineation </li></ul></ul><ul><ul><li>Fire Suppression </li></ul></ul><ul><ul><li>Wind Breaks </li></ul></ul>
    4. 4. Why Highway Planting & EC? <ul><li>Aesthetics (Project Fit) </li></ul>
    5. 5. <ul><li>Environmental Compliance </li></ul><ul><ul><li>Revegetation </li></ul></ul><ul><ul><li>Mitigation Planting </li></ul></ul><ul><ul><li>Erosion Control </li></ul></ul>Why Highway Planting & EC?
    6. 6. What’s the Common Thread? <ul><li>Safety </li></ul><ul><li>Aesthetics </li></ul><ul><li>Environmental Compliance </li></ul>
    7. 7. <ul><li>Plants </li></ul>What’s the Common Thread?
    8. 8. <ul><li>Factors Limit Plant Growth? </li></ul><ul><li>Treatments That Address Limits? </li></ul>Soils Resource Eval. System
    9. 9. <ul><li>Key Factors That Limit Plant Growth </li></ul><ul><ul><li>Slope Stability </li></ul></ul><ul><ul><li>Protection From Erosion </li></ul></ul><ul><ul><li>Available Water/Infiltration </li></ul></ul><ul><ul><li>Nutrient Availability </li></ul></ul><ul><ul><li>Biological Activity </li></ul></ul>Key Problem
    10. 10. Key Treatment <ul><li>Compost </li></ul>
    11. 11. Compost and Soil Structure <ul><li>Soil Soaked in Bleach </li></ul><ul><ul><li>No Organics </li></ul></ul><ul><ul><li>Collapsed Structure </li></ul></ul><ul><ul><li>Rainfall = Erosion </li></ul></ul><ul><ul><li>Limited Infiltration </li></ul></ul><ul><ul><li>Little Retained Moisture </li></ul></ul><ul><li>Class I Ag Topsoil </li></ul><ul><ul><li>Plenty of Organics </li></ul></ul><ul><ul><li>Strong Structure </li></ul></ul><ul><ul><li>Limited Erosion </li></ul></ul><ul><ul><li>Significant Infiltration </li></ul></ul><ul><ul><li>Moisture Retention </li></ul></ul>Photo – Vic Claassen, UC Davis Class I Ag Topsoil Topsoil With Organics Removed
    12. 12. <ul><li>Reduced Splash/Rill Erosion </li></ul><ul><li>Reduced Runoff Volume & Rate </li></ul><ul><li>Increased Infiltration </li></ul><ul><li>Increased Water Holding Capacity </li></ul>Compost and Soil Structure
    13. 13. <ul><li>Reduced Splash Erosion </li></ul>Compost and Soil Structure
    14. 14. <ul><li>Reduced Runoff Volume </li></ul><ul><ul><li>Half the Volume of Bare Soil </li></ul></ul>Compost and Soil Structure
    15. 15. <ul><li>Reduced Runoff Rate </li></ul><ul><ul><li>Half the Peak Rate of Bare Soil </li></ul></ul>Compost and Soil Structure
    16. 16. <ul><li>Increased Infiltration </li></ul><ul><ul><li>Double the Infiltration Volume of Bare Soil </li></ul></ul>Compost and Soil Structure
    17. 17. <ul><li>Increased Water Holding Capacity </li></ul><ul><ul><li>Double the Volume of Water Retained Than Bare Soil </li></ul></ul>Compost and Soil Structure
    18. 18. <ul><li>Less Runoff & More Water in The Soil… </li></ul>Compost and Soil Structure
    19. 19. <ul><li>Improved Biological Activity </li></ul><ul><ul><li>Food & Air </li></ul></ul><ul><ul><ul><li>Soil Bacteria </li></ul></ul></ul><ul><ul><ul><li>Actinomycetes </li></ul></ul></ul><ul><ul><ul><li>Fungi </li></ul></ul></ul><ul><li>Plant Nutrients </li></ul>Other Compost Benefits Source: Natural Resources Conservation Service Conserving Soil
    20. 20. Recap <ul><li>Healthy Plants </li></ul><ul><li>Healthy Soil </li></ul><ul><li>Compost </li></ul>
    21. 21. <ul><li>What is Compost? </li></ul>What Is Compost?
    22. 22. What Is Compost? Time Temperature Compost
    23. 23. What Is Compost? Is This Compost?
    24. 24. What Is Compost? Or This ?
    25. 25. <ul><li>Or This ? </li></ul>What Is Compost?
    26. 26. What Is Compost? Time Temperature Compost
    27. 27. <ul><li>Specs </li></ul>New/Revised Specifications
    28. 28. <ul><li>Why Revise the Compost Material Specification? </li></ul>Why Revise The Spec?
    29. 29. <ul><li>Lower Cost </li></ul><ul><li>Improve Quality Control </li></ul><ul><li>New Ideas </li></ul>Why Revise The Spec?
    30. 30. <ul><li>Cost </li></ul>Why Revise The Spec?
    31. 31. Compost Use Increasing Cubic Yards
    32. 32. Costs Remain High
    33. 33. <ul><li>Current Weighted Avg >$300/CY </li></ul><ul><li>High Price Due To: </li></ul><ul><ul><li>Bagged (vs Bulk) Materials </li></ul></ul><ul><ul><li>Application Method (Hydroseeding) </li></ul></ul>Why Revise? Lower Cost
    34. 34. <ul><li>Use Bulk (vs. Bagged) Materials </li></ul><ul><li>Alternative Application Methods </li></ul><ul><ul><li>Bulldozer </li></ul></ul><ul><ul><li>Slinger Spreader </li></ul></ul><ul><ul><li>Snow-Blower </li></ul></ul><ul><li>Goal: Reduce Cost to $40/CY </li></ul>Revisions Promote:
    35. 35. Application Flexibility = Lower Costs Cost Recap
    36. 36. <ul><li>QC </li></ul>Why Revise The Spec?
    37. 37. Tighter Spec = QC
    38. 38. <ul><li>Maturity </li></ul>Why Revise? Quality Control Old Spec Tests For:
    39. 39. <ul><li>Maturity </li></ul><ul><li>pH </li></ul><ul><li>Soluble Salts </li></ul><ul><li>Stability </li></ul><ul><li>Pathogens </li></ul>Why Revise? Quality Control <ul><li>Stability </li></ul><ul><li>Phytotoxicity </li></ul><ul><li>Particle Size </li></ul><ul><li>Physical Contaminants </li></ul><ul><li>Heavy Metals </li></ul>New Spec Tests For:
    40. 40. <ul><li>Contractor Performs Solvita Test (For Maturity) in the Field </li></ul><ul><li>Contractor Submits Results to the Engineer </li></ul>Old QC/QA Submittals
    41. 41. <ul><li>Producer Submits Samples to STA Lab </li></ul><ul><li>Samples Tested via STA Methodologies </li></ul><ul><li>Results Returned to Compost Facility </li></ul><ul><li>Paperwork Submitted by Contractor: </li></ul><ul><ul><li>Compost Lab Test Results </li></ul></ul><ul><ul><li>Certificate of Compliance </li></ul></ul><ul><ul><li>Compost Technical Data Sheet (CTDS) </li></ul></ul>New QC/QA Submittals
    42. 42. <ul><li>Improved (Standardized) Testing </li></ul><ul><li>Improved Submittals </li></ul><ul><li>Greater Quality Assurance </li></ul>QC Recap
    43. 43. <ul><li>New Ideas </li></ul>New/Revised Specifications
    44. 44. New Ideas <ul><li>Cost Effective Bulk Application Methods </li></ul>
    45. 45. EC (Type C) vs EC (Cultivate) <ul><li>Which Is The More Permanent Solution? </li></ul>
    46. 46. Rotary Spading Machines <ul><li>Rotary Spading Machines </li></ul><ul><ul><li>22” Depth – Single Pass </li></ul></ul><ul><ul><li>8’ Wide </li></ul></ul><ul><ul><li>3800 LBS </li></ul></ul><ul><ul><li>1-3 MPH </li></ul></ul><ul><ul><li>90 HP Tractor </li></ul></ul>
    47. 47. Other Incorporation Options <ul><li>Spider Excavator </li></ul><ul><li>An Option for Steep Slopes? </li></ul>
    48. 48. <ul><li>New Ideas </li></ul><ul><li>New Specs </li></ul><ul><li>Sustainable Roadsides </li></ul>Ideas Recap
    49. 49. <ul><li>The Specs </li></ul>New/Revised Specifications
    50. 50. <ul><li>Planting Specs </li></ul>New/Revised Specifications
    51. 51. Planting Specifications <ul><li>Mulch </li></ul><ul><li>Soil Amendment </li></ul>
    52. 52. <ul><li>Mulch </li></ul><ul><ul><li>Revised Compost Definition </li></ul></ul><ul><li>Soil Amendment </li></ul><ul><ul><li>Replaces “Std Spec” Compost Definition </li></ul></ul><ul><li>Planting </li></ul><ul><ul><li>Removed Std Spec Soil Amend Reference </li></ul></ul>Planting Specifications
    53. 53. <ul><li>EC Specs </li></ul>New/Revised Specifications
    54. 54. Erosion Control (Type C/D) <ul><li>Erosion Control (Type C) </li></ul><ul><li>Erosion Control (Type D) </li></ul>
    55. 55. Erosion Control (Drill Seed) <ul><li>Erosion Control (Drill Seed) </li></ul>
    56. 56. EC (Compost Blanket & Cultivate) <ul><li>Erosion Control (Compost Blanket) </li></ul><ul><li>Erosion Control (Cultivate) </li></ul>
    57. 57. <ul><li>EC (Type C & Type D) </li></ul><ul><ul><li>Updated Compost Definition </li></ul></ul><ul><ul><li>Removed Seed Inoculant Reqt. </li></ul></ul><ul><ul><li>Pay by Area </li></ul></ul><ul><li>EC Drill Seed </li></ul><ul><ul><li>Added Compost Definition </li></ul></ul><ul><li>EC (Compost Blanket) </li></ul><ul><li>EC (Cultivate) </li></ul>EC Specifications
    58. 58. <ul><li>All Specs </li></ul>New/Revised Specifications
    59. 59. Compost – “Materials” Spec <ul><li>Compost Shall Comply With the Following… </li></ul>
    60. 60. Producer Requirements <ul><li>Compost Producer Shall be Fully Permitted Per: </li></ul><ul><ul><li>California Integrated Waste Management Board </li></ul></ul><ul><ul><li>Local Enforcement Agencies </li></ul></ul><ul><ul><li>Any Other State and Local Agencies That Regulate Solid Waste Facilities </li></ul></ul>
    61. 61. Feedstock Options <ul><li>Green Material </li></ul><ul><ul><li>Chipped, Shredded, or Ground Vegetation </li></ul></ul><ul><ul><li>Clean, Processed, Recycled Wood Products </li></ul></ul><ul><li>Biosolids </li></ul><ul><li>Manure </li></ul><ul><li>Mixed Food Waste </li></ul>
    62. 62. <ul><li>Shall be Composted to Reduce Weed Seed and Pathogens in Conformance with CA. Title 14, CCR, Div. 7, Ch. 3.1, Art. 7, Sec. 17868.3 </li></ul><ul><ul><li>Similar To US EPA Regulation 40 CFR, Part 503b </li></ul></ul>All Materials
    63. 63. <ul><li>Be Derived from Mixed Municipal Solid Waste. </li></ul><ul><li>Contain Paint, Petroleum Products, Herbicides, Fungicides. </li></ul><ul><li>Contain Chemicals Harmful to Animal or Plant Life. </li></ul>Compost Shall NOT
    64. 64. <ul><li>Possess Objectionable Odors </li></ul><ul><li>Possess Metal Concentrations Exceeding Title 14, CCR, Div. 7, Ch. 3.1, Sect. 17868.2 </li></ul>Compost Shall NOT
    65. 65. Physical/Chemical Requirements
    66. 66. <ul><li>Compost Technical Data Sheet </li></ul><ul><li>Copy of the Compost Producer’s STA certification </li></ul><ul><li>Certificate of Compliance (Per Caltrans Std Specs). </li></ul>Submittal Requirements
    67. 67. <ul><li>Recap </li></ul>New/Revised Specifications
    68. 68. Recap <ul><li>Planting Specifications </li></ul><ul><ul><li>Mulch </li></ul></ul><ul><ul><li>Soil Amendment </li></ul></ul><ul><ul><li>Planting </li></ul></ul><ul><li>Erosion Control Specifications </li></ul><ul><ul><li>Erosion Control (Type C & Type D) </li></ul></ul><ul><ul><li>Erosion Control (Drill Seed) </li></ul></ul><ul><ul><li>Erosion Control (Compost Blanket) </li></ul></ul><ul><ul><li>Erosion Control (Cultivate) </li></ul></ul>
    69. 69. <ul><li>http://pd.dot.ca.gov/design/landscape/nssp/planting.htm </li></ul>Planting Specifications
    70. 70. <ul><li>http://pd.dot.ca.gov/design/landscape/nssp/ec.htm </li></ul>Erosion Control Specifications
    71. 71. <ul><li>Use the Specs </li></ul>Remember
    72. 72. Using Compost to Improve Erosion Control and Highway Planting Thank-You
    73. 73. The Laboratory <ul><li>Compost Filter Socks </li></ul><ul><ul><li>Currently Under New Products Review Process </li></ul></ul>

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