Grading Ordinance Update Erosion Control Short Course April 23, 2012
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Transcript of Grading Ordinance Update Erosion Control Short Course April 23, 2012
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Grading Ordinance Update
Erosion Control Short CourseApril 23, 2012
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Purpose
• Safeguard public health• Minimize erosion and sedimentation• Prevent loss of agricultural soils• Protect stormwater• Protect natural, scenic, and cultural
resources
Note: Based on 1997 UBC, Appendix Chapter 33
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Status
• Adopted in April 2010• Effective as of May 13, 2010 (inland only)• Coastal Commission action is pending
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
When is a Grading Pmt Required?
• 50 cubic yards – cumulative cut plus fill
• 20 cubic yards – cumulative for work in a watercourse
• 1 acre – vegetation removal• “bare soil” at any given time
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Thresholds
• Cultivation activities are not counted towards grading volumes
Disking, raking, harrowing, raking or chiseling, planting, plowing, seeding, or other tilling are not considered “grading”
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Thresholds
• Cultivation activities are not counted towards grading volumes
Disking, raking, harrowing, raking or chiseling, planting, plowing, seeding, or other tilling are not considered “grading”
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Grading vs. Cultivation
This is Grading
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Grading vs. CultivationNot Grading
Not Grading
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Slope Limitation
• No grading on slopes in excess of 30 percent
• Otherwise, a Variance is needed• Exception:
• crop production, grazing, ag roads, ag structures
• waiver by Planning Director
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Exemptions
• Not much has changed• Examples:
• Basements (building permit)• Cemetery Plots• Refuse disposal• Revised ag exemptionsThis is not an exhaustive list
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Minimum Requirements
• Even exempt grading must:• Use good practices• Not create a hazard• Not create drainage impacts• Prevent erosion, minimize sedimentation• Obtain state/federal permits
Otherwise, the grading is not exempt.
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Minimum Requirements
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Minimum Requirements
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Agricultural Grading
• Exempt – go ahead and grade• Ag Grading – fill out a form first• Alternative Review – fill out a form,
work with the RCD
Otherwise, a grading permit is required
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Exempt
• Ongoing crop production and grazing
• Routine maintenance• Water sources, water linesThis is not an exhaustive list
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Agricultural Grading
Fill out a form• Grading for new crop production,
grazing (slopes ≤30%)• Small reservoirs• Import/export up to 2,000 cubic
yards per year
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Alternative Review
Work with RCD• Grading for crop production/grazing
on slopes > 30 percent• Agricultural roads*• Ponds*• Import/export > 2,000 cubic yards* Requires Ag Commissioner review
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Alternative Review
• Fill out the form• County determines if you qualify• Ag commissioner sign-off (roads
and ponds)• Review, approval, inspection by
RCD.
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Grading Permit Requirements
• Drainage Plan• Erosion and Sedimentation Control Plan• Stormwater Quality Plan• Stormwater Pollution Prevention Plan• Low Impact Development (LID)
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Drainage Plan
• Most projects need one• Meeting the exemption criteria is
difficult
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Erosion/Sedimentation Control Plan
• Required for all grading/construction projects
• Plan is required year-round• Though devices may not need to be in
place during the dry season.
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Stormwater Quality Plan
• “SWQP”• Minor Projects – 1 page form• Major Projects – a bit more in depth
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Stormwater Pollution Prevention Plan
• “SWPPP” – over 1 acre• County now has authority to review,
inspect, enforce• SWPPP is filed electronically• Must be filed by a professional• “Rainfall erosivity” waiver now
available for projects <5 acres
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Low Impact Development
• “LID”• Hydromodification control – interim
measures, based on impervious surface• 2500 – 5000 sqft – 1 measure• 5000+ sqft – 2 measures• SWQP “Major” – 2 measures, plus
ordinance requirements(Section 22.10.155)
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Low Impact Development
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Low Impact Development
![Page 27: Grading Ordinance Update Erosion Control Short Course April 23, 2012](https://reader036.fdocuments.in/reader036/viewer/2022062813/56816597550346895dd86d6b/html5/thumbnails/27.jpg)
DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Low Impact Development
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Low Impact Development
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
New Features
• Air Quality Measures• Inspections• Enforcement• Special Circumstances
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Air Quality Measures
• Required to include measures on the plans
• Dust control• Import/export volumes• Naturally occurring asbestos• Hydrocarbon-contaminated soils
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Inspections
• New rainy season inspection requirements
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Enforcement
• Civil enforcement – penalty up to $25,000 per day
• Denial of subsequent permits – for up to 5 years• Dissuade misuse of agricultural
exemptions for “pre-development”
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DEPARTMENT OF PLANNING AND BUILDINGPromoting the wise use of land Helping build great communities
Special Circumstances
• Correction to hazardous condition• Emergency permit• Unpermitted grading procedures• Denial, site restoration