Stormwater Quality Design Manual (May 2007) - City of Sacramento ...

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5) Attach Project Overview and Stormwater Quality NarrativeInclude Project description indicating nature of project (e.g. is it a newly developing site, replacementof previously developed site, is it an infill site). Describe activities planned for site that may impact waterquality such as a retail gasoline outlet as part of a development. Describe selected treatment options.Developers should keep in mind that proprietary devices require extensive maintenance by the owners ofthe property and should consider alternative treatment measures first. Project description should be nomore than 1 page relating to stormwater quality.6) Attach Site Plans* and/or Drawings Showing:Existing and natural hydrologic featuresExisting and proposed drainage systemProposed drainage sheds including (Refer to item #4, if treatment is required)o Name of shedo Existing amount of pervious and impervious areaso Proposed amount of pervious and impervious areaso Proposed treatment option(s) for each shedPollutant source areas including loading docks, food service areas, refuse areas, outdoor processes andstorage, vehicle cleaning, repair or maintenance, fuel dispensing, equipment washing, etc.Proposed design features to minimize impervious areas, applicable runoff reduction techniques,innovative design, and all treatment options selected*Note: Plans will not be checked for adequacy of treatment options until design review of drainage system. Forinformation related to correct sizing and other requirements refer to Stormwater Quality Design Manual forSacramento and South Placer Regions.7) List Sheds and Selected Stormwater Quality Treatment Controls (if treatment is required)Shed NameTotal Shed AreaFlow (cfs) or Treatment Controls SelectedImpervious Area Pervious Area Volume (ft 3 )Attach more sheets as necessary7) SignaturePrint Name:__________________________ Indicate Owner or Title ____________________________Signature:____________________________ Date:__________________
Example Post Construction Stormwater Quality Control Plan(Sacramento County)The following information is presented for example purposes onlyand may not be the current version. The other permittingagencies in the region may have different requirements.Contact the local permitting agency for their submittal requirements.
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Stormwater Quality Design Manualfor
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Stormwater Quality Design Manual wa
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Table of contentsOutdoor Work Areas
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Table of contentsSF-1.SF-2.SF-3.SF-
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Other Development Community Reviewe
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1 IntroductionPurposeThis Stormwate
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IntroductionIn July 2003, the permi
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IntroductionFor redevelopment proje
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Introduction• The Appendices prov
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2 An Integrated Approach toEffectiv
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Integrated ApproachIt is also helpf
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Integrated ApproachPut landscaping
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Integrated Approachfactors will be
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Chapter 3Figure 3-1. Process for Ad
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Chapter 3runoff reduction first (ev
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Chapter 3As the name implies (and a
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Chapter 3Step 9: Establish Long Ter
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Chapter 4Source Control Fact Sheets
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Source Control Measure Fact SheetSt
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Source Control Measure Fact SheetFu
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Source Control Measure Fact SheetLo
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Source Control Measure Fact SheetOu
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Source Control Measure Fact SheetOu
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Source Control Measure Fact SheetWa
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5 Runoff Reduction Control Measures
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Runoff Reduction Control MeasuresDe
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Runoff Reduction Control Measures
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Runoff Reduction Control Measure Fa
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Runoff Reduction Fact SheetDisconne
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Chapter 6• What are pollutants of
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Chapter 6For projects using any of
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Runoff Treatment Control Measure Fa
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Design Data Summary SheetConstructe
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Technical RequirementsInfiltration
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Page 149 and 150: Runoff Treatment Control Measure Fa
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Page 177 and 178: Technical RequirementsVegetated Swa
Page 191 and 192: Glossaryexposure of construction ma
Page 193 and 194: GlossaryLow Impact Development (LID
Page 195 and 196: GlossaryRegional Stormwater Quality
Page 197 and 198: Appendix ASubmittal RequirementsThe
Page 199: Sacramento County Supplemental Appl
Page 204 and 205: Typically maintenance agreements an
Page 206 and 207: Example Maintenance Covenant(Sacram
Page 208 and 209: Device in accordance with the maint
Page 210 and 211: [attach]DECLARANT’S ACKNOWLEGEMEN
Page 212 and 213: Recorded at the request of:CITY OF
Page 214 and 215: 9. The obligations herein undertake
Page 216 and 217: EXHIBIT B[Map/Illustration]
Page 218 and 219: City of FolsomThe City of Folsom ow
Page 220 and 221: Appendix D-1: Residential Sites: Ru
Page 222: Form D-1d: Alternative Driveway Des
Page 225 and 226: Form D-2a: Disconnected Pavement Wo
Page 228 and 229: Appendix D-3Runoff Reduction Credit
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Page 232 and 233: Mature TreeShape Canopy (dia.) Heig
Page 234 and 235: Appendix D4LID Credits Background R
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Page 242 and 243: Table 3 - Multipliers Based on Rati
Page 244 and 245: Using the Effective Area Managed in
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4. Apply the Rational Formula to ca
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5. Enter the capture curve selected
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1.201.000.80STORAGE (in)0.600.4024-
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1.201.000.80STORAGE (in)0.600.4048
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Subject: VEGETATED SWALE EXAMPLEPLA
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PART II:Routing Excess Runoff throu
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4. Design the OutletThe outlet shou
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Exhibit 1Water Quality Orifice Outl
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3. Calculate Planter Surface Area A
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• Bottom slopes of 0.01 to 0.05%
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Appendix HDrainage Design and Storm
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