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

More documents

Recommendations

Info

Technical RequirementsVegetated SwaleSWALE LENGTHSUFFICIENT TO PROVIDE MINIMUM CONTACT TIME OF 7 MINUTESINLETRIPRAP ENERGY DISSIPATORFLOW SPEADER FORCONCENTRATED FLOWSACHECK DAMFOR SLOPES > 2.5%OUTLETATRAPEZOIDAL VEGETATED SWALE – PLANNOT TO SCALEGRASS HEIGHT4" TO 6"DEPTH OF FLOW AT WQF< HEIGHT OF GRASS13 (MINIMUM)6" SANDY LOAM TOP SOIL6" SANDIMPERMEABLE LINER(IF REQUIRED TO PREVENTINFILTRATIONBOTTOM WIDTH4" PERFORATED PIPE UNDERDRAININ 9 " COARSE AGGREAGATE (AASHTO #8)REQUIRED FOR SLOPES < 1%USE GEOEXTTILE FABRIC AROUND PIPEAND GRAVELTRAPEZOIDAL VEGETATED SWALE – SECTIONNOT TO SCALEADAPTED FROM URBAN STORM DRAIN CRITERIA MANUALVOL. 3 - BEST MANAGEMENT PRACTICES,URBAN DRAINAGE AND FLOOD CONTROL DISTRICT,11/99Figure VS-1. Vegetated SwaleStormwater Quality Design Manual for the Sacramento and South Placer RegionsMay 2007VS-7
Technical RequirementsVegetated SwaleTable VS-3. Design Data Summary Sheet for Vegetated SwaleDesigner:Company:Project:Location:Date:1. Design Flow: WQF = I x C x Aa. I = Design Intensity = 0.18 in/hrb. C = Runoff Coefficientc. A = Tributary area2. Swale Geometrya. Swale Bottom Width (b)b. Side slope (Z)WQF =I =C =A =b =Z =cfsin/hracresft3. Depth of flow (d) at WQF (3”-5” with Manning’s n= 0.20) d = in4. Design Slopea. s = 1% minimum without underdrains; 4% maximum withoutgrade controlsb. Number of grade controls requireds = %(number)5. Design flow velocity (Manning’s n= 0.20) V = ft/sec6. Contact Time (t c = 7 minutes minimum) t c = minutes7. Design LengthL = (t c ) x (flow velocity) x 60 L = ft8. Vegetation (describe)9. Outflow Collection (Check type used or describe “Other”) Grated Inlet Infiltration Trench Underdrain Used OtherNotes:Stormwater Quality Design Manual for the Sacramento and South Placer RegionsVS-8 May 2007
Page 1 and 2:
Stormwater Quality Design Manualfor
Page 3 and 4:
Stormwater Quality Design Manual wa
Page 5 and 6:
Table of contentsOutdoor Work Areas
Page 7 and 8:
Table of contentsSF-1.SF-2.SF-3.SF-
Page 9 and 10:
Other Development Community Reviewe
Page 11 and 12:
1 IntroductionPurposeThis Stormwate
Page 13 and 14:
IntroductionIn July 2003, the permi
Page 15 and 16:
IntroductionFor redevelopment proje
Page 17 and 18:
Introduction• The Appendices prov
Page 19 and 20:
2 An Integrated Approach toEffectiv
Page 21 and 22:
Integrated ApproachIt is also helpf
Page 23 and 24:
Integrated ApproachPut landscaping
Page 25 and 26:
Integrated Approachfactors will be
Page 27 and 28:
Chapter 3Figure 3-1. Process for Ad
Page 29 and 30:
Chapter 3runoff reduction first (ev
Page 31 and 32:
Chapter 3As the name implies (and a
Page 33 and 34:
Chapter 3Step 9: Establish Long Ter
Page 35 and 36:
Chapter 4Source Control Fact Sheets
Page 37 and 38:
Source Control Measure Fact SheetSt
Page 39 and 40:
Source Control Measure Fact SheetFu
Page 41 and 42:
Source Control Measure Fact SheetLo
Page 43 and 44:
Source Control Measure Fact SheetOu
Page 45 and 46:
Source Control Measure Fact SheetOu
Page 47 and 48:
Source Control Measure Fact SheetWa
Page 49 and 50:
Source Control Measure Fact SheetWa
Page 51 and 52:
5 Runoff Reduction Control Measures
Page 53 and 54:
Runoff Reduction Control MeasuresDe
Page 55 and 56:
Runoff Reduction Control Measures
Page 57 and 58:
Runoff Reduction Control Measure Fa
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Runoff Reduction Fact SheetDisconne
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Chapter 6• What are pollutants of
Page 109 and 110:
Chapter 6For projects using any of
Page 111 and 112:
Runoff Treatment Control Measure Fa
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Design Data Summary SheetConstructe
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132: Runoff Treatment Control Measure Fa
Page 141 and 142: Technical RequirementsInfiltration
Page 157 and 158: Technical RequirementsSand FilterSa
Page 159 and 160: Technical RequirementsSand FilterDe
Page 161 and 162: Technical RequirementsSand FilterDe
Page 163 and 164: Technical RequirementsSand FilterSt
Page 165 and 166: Technical RequirementsSand FilterTa
Page 167 and 168: Technical RequirementsSand FilterLo
Page 177 and 178: Technical RequirementsVegetated Swa
Page 179 and 180: Technical RequirementsVegetated Swa
Page 181: 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 and 200: Sacramento County Supplemental Appl
Page 201: Example Post Construction Stormwate
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
Page 230 and 231: These tables refer to runoff reduct
Page 232 and 233:
Mature TreeShape Canopy (dia.) Heig
Page 234 and 235:
Appendix D4LID Credits Background R
Page 236 and 237:
unoff from the driveway by 60% whil
Page 238 and 239:
The designer must determine how man
Page 240 and 241:
Or the ASCE-WEF method (Sacramento)
Page 242 and 243:
Table 3 - Multipliers Based on Rati
Page 244 and 245:
Using the Effective Area Managed in
Page 246 and 247:
SMRC, The Stormwater Manager’s Re
Page 248 and 249:
Flow-based control measure design s
Page 250 and 251:
4. Apply the Rational Formula to ca
Page 252 and 253:
5. Enter the capture curve selected
Page 254 and 255:
1.201.000.80STORAGE (in)0.600.4024-
Page 256 and 257:
1.201.000.80STORAGE (in)0.600.4048
Page 258 and 259:
Subject: VEGETATED SWALE EXAMPLEPLA
Page 260:
PART II:Routing Excess Runoff throu
Page 263 and 264:
4. Design the OutletThe outlet shou
Page 265 and 266:
Exhibit 1Water Quality Orifice Outl
Page 267 and 268:
3. Calculate Planter Surface Area A
Page 269 and 270:
• Bottom slopes of 0.01 to 0.05%
Page 271:
Appendix HDrainage Design and Storm
show all

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

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?