BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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Figure 4.2-g: Slope Bottom BenchFigure 4.2-h: SerrationsChapter 4: BMP ToolkitTRPA BMP Handbook4.2.2.5-Slope Shaping 2012Page 4
Figure 4.2-i: Contour FurrowsTRPA BMP HandbookChapter 4: BMP Toolkit2012 4.2.2.5-Slope ShapingPage 5
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PREFACEThe Tahoe Regional Planning
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TABLE OF CONTENTSPREFACE...........
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3.5.5 Stormwater Treatment ........
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6.3 Projects 1 to 5 Acres and all C
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8.10.5 Maintenance ................
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Table 8-4: Federal, State and Regio
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Figure 4.3-i: Vegetated Swale .....
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INTRODUCTIONPURPOSE AND USERS OF TH
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Lake Tahoe’s world renowned blue
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Urbanization in the Lake Tahoe wate
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50 percent of the light scattering
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Figure I-c: Impervious Cover versus
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Disconnected impervious areasdrain
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POLLUTANT EFFECT URBAN SOURCES ASSO
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BEST MANAGEMENT PRACTICESHistorical
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Table I-2: Differences in BMP Retro
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CHAPTER 1: URBAN HYDROLOGY1.1 PURPO
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Figure 1-a: Runoff ProcessesTRPA BM
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Although many urbanized areas face
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watersheds to make the necessary es
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Pollutant load estimates are typica
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differ from the following recommend
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Figure 1-b: Hydrologic Processes an
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1.3.3.2 NRCS BMP CALCULATION SPREAD
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1.3.3.3 RATIONAL METHODMODEL SUMMAR
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1.3.3.4 LOAD REDUCTION PLANNING TOO
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in HMS may be event-based or contin
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1.3.3.6 POLLUTANT LOAD REDUCTION MO
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AVAILABILITY AND SUPPORTING DOCUMEN
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TYPICAL LEVEL OF EFFORTHSPF and LSP
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few days to a week of time to revie
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USACE studies recommended use of th
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during the initial site visit, or c
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Figure 2-a: Soil Horizons• Depth
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Evidence of compacted and disturbed
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UNMAPPED ROCK OUTCROPS, STEEP SLOPE
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The primary pollutants of concern o
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On the map use an arrow to delineat
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2.2.3 ADDITIONAL DATA GATHERINGAfte
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and allowable uses. Baseline Land C
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topographic survey will be required
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Table 2-3: Basis of Capability Clas
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Keep your property lean, clean,and
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treatment. This will reduce the mai
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ponds, wetlands, lakes, manmade cha
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2.3.3.2 SOILS HYDROLOGIC REPORTThe
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CHAPTER 3: PERMANENT BMP PLANNINGAN
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STORMWATER TREATMENTRepresents BMPs
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Table 3-1: Waste Management and Mat
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D. STABILIZE STEEP DISTURBED SLOPES
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This infiltration trench collects s
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3.5 PROJECTS 1 TO 5 ACRES AND ALL C
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This Page Blank.TRPA BMP HandbookCH
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unnecessary turf areas and replace
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Table 3-5: Waste Management and Mat
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3.5.2.3 SOIL STABILIZATIONA. RESTOR
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Left: Dripline erosion below a deck
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Pervious concrete parking pad locat
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3.5.5 STORMWATER TREATMENT3.5.5.1 M
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3.6.1.1 JURISDICTIONThese projects
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to perform required inspection and
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3.8.2.4 SHARED ACCESS AND EASEMENTS
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3.8.2.8 STREAM ENVIRONMENT ZONES (S
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Sediment versus erosion:Suspended s
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CONTENTSCHAPTER 4: BMP TOOLKIT ....
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CHAPTER 4: BMP TOOLKIT4.1 HYDROLOGI
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4.1.1.1 PERVIOUS PAVEMENTAlternativ
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• Tree canopy overhead can decrea
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ate determined at the time of insta
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Figure 4.1-a: Pervious ConcreteTRPA
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4.1.1.2 INFILTRATION BASINAlternati
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groundwater, depths to restrictive
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Very few performance monitoring stu
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INSPECTION AND MAINTENANCE ACTIVITI
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4.1.1.3 INFILTRATION TRENCHAlternat
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• Consult the NRCS Tahoe Basin So
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• Alternative Method: Excavate th
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Figure 4.1-c: Infiltration TrenchTR
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Figure 4.1-e: Roof Dripline Planter
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4.1.1.4 SUBSURFACE INFILTRATION SYS
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percent void space compared to 40 p
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• Ensure the surrounding surface
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4.1.1.5 RAIN BARREL AND CISTERNAlte
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• Position the rain barrel or cis
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4.1.1.6 RAIN GARDENAlternative Name
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• To manage high flows, design a
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4.1.1.7 FILTER STRIPAlternative Nam
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• The top of the vegetated filter
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Page 188 and 189: Figure 4.1-i: Vegetated Filter Stri
Page 190 and 191: LIST OF FIGURESFigure 4.2-a: Slope
Page 192 and 193: Chapter 4: BMP ToolkitTRPA BMP Hand
Page 194 and 195: • Obtain and use a road abrasive
Page 198 and 199: • Mechanical broom sweepers may a
Page 200 and 201: EFFECTIVENESS CONSIDERATIONSA signi
Page 202 and 203: for dry basins or infiltration basi
Page 204 and 205: • For unpaved snow storage areas
Page 206 and 207: Figure 4.2-a: Slope Stabilization A
Page 208 and 209: Disadvantages• Not always success
Page 210 and 211: • Bind together long live branch
Page 212 and 213: Brush Layering and MattingBrush lay
Page 216 and 217: Advantages• Reduces the erosion p
Page 218 and 219: Table 4.2-1: Terracing Inspection a
Page 222 and 223: Disadvantages• Can be complicated
Page 224 and 225: • Revegetate the backfilled bench
Page 226 and 227: Figure 4.2-d: Timber Retaining Wall
Page 230 and 231: Advantages• Versatile and applica
Page 232 and 233: Table 4.2-3: Riprap Inspection and
Page 236 and 237: educe the concentration of runoff,
Page 240 and 241: • Contour Furrows - relatively de
Page 244 and 245: APPLICABILITYAll roads, driveways,
Page 246 and 247: Stormwater runoff from a paved park
Page 248 and 249: Figure 4.2-k: Grading for Sheet Flo
Page 250 and 251: INORGANIC MULCH:• Areas where org
Page 252 and 253: • Stockpile and use existing orga
Page 256 and 257: The surface under the raised decksh
Page 258 and 259: Figure 4.2-l: Rock Armor - Elevated
Page 260 and 261: Clustered boulders used for parking
Page 266 and 267: • Helps to protect wildlife.• H
Page 268 and 269: EFFECTIVENESS CONSIDERATIONSA prope
Page 270 and 271: Improper storage of hazardous mater
Page 272 and 273: • Try to use the entire product b
Page 276 and 277: facilities must be equipped with ap
Page 280 and 281: • Dispose of it properly• Be a
Page 284 and 285: Disadvantages• Additional resourc
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• Sanitary sewer regulations gene
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APPLICABILITYAll vehicles, includin
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• Do not perform other vehicle or
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LIST OF FIGURESFigure 4.3-a: Curb B
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Chapter 4: BMP ToolkitTRPA BMP Hand
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APPLICABILITY• Culverts are appli
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deterioration. The inspection crew
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APPLICABILITY• Curb and gutters a
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INSTALLATION CONSIDERATIONS• Inst
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Figure 4.3-b: Rolled CurbChapter 4:
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Advantages• Prevents the discharg
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Table 4.3-2: Storm Drain Inspection
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Advantages• Prevents scour that m
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Figure 4.3-c: Outlet ProtectionChap
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• The structure can be designed t
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INSTALLATION CONSIDERATIONS• Disc
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Advantages• Assists in the contro
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Figure 4.3-e: Slotted Channel Drain
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Advantages• May be less expensive
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Table 4.3-5: A/C Swale Inspection a
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• Prevents property damage, slope
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Figure 4.3-g: Subsurface DrainChapt
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abrasives applied during the winter
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Table 4.3-7: Rock Lined and Vegetat
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Figure 4.3-i: Vegetated SwaleChapte
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Check dams installed in water sprea
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• Design check dams perpendicular
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CONTENTS4.4 Stormwater Treatment ..
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4.4 STORMWATER TREATMENTThe primary
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4.4.1.1 WET BASINAlternative Names:
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• Surcharge storage above the wet
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Table 4.4-1: Wet Basin Inspection a
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Figure 4.4-a: Wet Basin (Concept Dr
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4.4.1.2 BIOSWALEAlternative Names:
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• Consider incorporating trees or
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Figure 4.4-b: Bioswale (Linear Basi
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4.4.1.3 DRY BASINAlternative Names:
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• Drainage design standards for t
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Figure 4.4-c: Detention BasinTRPA B
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4.4.2 FLOW THROUGH TREATMENTFlow-th
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4.4.2.1 DROP INLET INSERTAlternativ
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INSTALLATION CONSIDERATIONS• Refe
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4.4.2.2 TRASH RACKAlternate Names:
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4.4.2.3 BAFFLED VAULTAlternative Na
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• Ensure that site conditions all
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4.4.2.4 HYDRODYNAMIC SEPARATORAlter
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• Most units are designed to be c
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4.4.2.5 MEDIA FILTERAlternate Names
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Cartridge Filter• Cartridge filte
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• Vent the system as for undergro
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4.4.2.6 SEDIMENT TRAPAlternative Na
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INSPECTION AND MAINTENANCE• Regul
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Figure 4.4-e: Sediment TrapTRPA BMP
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CONTENTS4.5 Temporary BMPs for Cons
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4.5 TEMPORARY BMPS FOR CONSTRUCTION
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concrete washouts and stockpiles sh
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4.5.1.1 CONSTRUCTION PLANNING AND S
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• Measures to minimize the potent
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4.5.1.2 CONSTRUCTION BOUNDARY FENCI
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Figure 4.5-a: Construction Boundary
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4.5.1.3 DEWATERINGDESCRIPTIONDewate
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Figure 4.5-b: DewateringTRPA BMP Ha
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• Use this settled water to fill
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4.5.1.4 CLEAN WATER DIVERSIONAltern
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• Avoid disturbing aquatic specie
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• Pipe slope drain: A rigid pipe,
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Stream Isolation Techniques:• Tur
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Figure 4.5-f: Water DiversionTRPA B
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4.5.1.5 VEGETATION PROTECTIONAltern
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• Growing Space: Provide spacing
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Figure 4.5-g: Vegetation Protection
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4.5.1.6 TEMPORARY SANITATION FACILI
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4.5.1.7 DUST CONTROLAlternate Names
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• Blanket with geotextiles or veg
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4.5.1.8 VEHICLE INGRESS EGRESS MANA
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• If possible, re-use swept or va
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4.5.1.9 WINTERIZATIONDESCRIPTIONBet
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INSPECTION AND MAINTENANCEEnsure th
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4.5.1.10 CONSTRUCTION STAGINGAltern
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4.5.1.11 MATERIAL HANDLING STORAGE
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• Ensure that current Material Sa
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4.5.1.12 TOPSOIL SALVAGEAlternative
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• If topsoil will not be used for
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4.5.1.13 CONCRETE/BENTONITE MANAGEM
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Figure 4.5-i: Concrete Washout Stat
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4.5.1.14 STOCKPILE MANAGEMENTAltern
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Figure 4.5-j: Stockpile ManagementT
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4.5.2 EROSION AND SEDIMENT CONTROLR
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4.5.2.1 SWEEPINGDESCRIPTIONDuring c
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4.5.2.2 DRAIN INLET PROTECTIONAlter
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inches. Take care to ensure that no
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Figure 4.5-k: Drain Inlet Protectio
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4.5.2.3 FIBER ROLLAlternative Names
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• Adjust spacing of fiber rolls a
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Figure 4.5-l: Fiber RollsTRPA BMP H
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4.5.2.4 SILT FENCEAlternative Names
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• Turn the fabric uphill at the e
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Figure 4.5-m: Silt FenceTRPA BMP Ha
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4.5.2.5 EROSION CONTROL BLANKET SYS
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structures mark the boundaries of t
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Figure 4.5-p: Anchoring Geotextiles
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4.5.2.6 HYDROMULCH, TACKIFIER, AND
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INSPECTION AND MAINTENANCE• Hydro
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5.2 SOILSoil is a complex living sy
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Tilling green wood chips intothe so
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areas such as SEZs and in shorezone
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Large boulders provide permanent ve
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To address this TRPA’s Regional P
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to apply ½ inch of water. Water yo
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Pesticides can be degraded by sunli
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5.3.2.5 FIRE DEFENSIBLE SPACEFire d
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etween them. For example, shrubs wi
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5.4 PROJECT SCALE REQUIREMENTSSoil
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5.4.1.5 PROJECT INSTALLATIONA. CONT
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percent vegetative cover, soil surf
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TRPA Revegetation Plan TemplateSoil
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(c) GRADING AND SLOPE SHAPINGDescri
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TRPA Revegetation Plan ExampleSoil
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• All machinery must be clean bef
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Common NameScientific NameScotchbro
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during dry weather. All debris, roo
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substantially different that the pe
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TRPA BMP HandbookCHAPTER 5: Soil an
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Fertilizer Management PlanProject N
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IV. MONITORINGSurface and groundwat
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I. PROJECT AND SITE DESCRIPTIONGold
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Table 5-1: Description of Revegetat
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SITE TYPE RECOMMENDED SPECIES LISTS
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SITE TYPE RECOMMENDED SPECIES LISTW
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CHAPTER 5: Soil and Vegetation Mana
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TRPA APPROVED PLANT SPECIES ATTRIBU
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TRPA APPROVED PLANT SPECIES ATTRIBU
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CHAPTER 5: Soil and Vegetation Mana
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• Section 6.2 describes methods f
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equirements. At a minimum, training
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Vactor equipment removes sediment a
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Industrial Properties, Marinas, and
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• Rinse the rock with hose water
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EXAMPLE INSPECTION AND MAINTENANCE
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MONITORING PLAN TEMPLATE1. TITLE PA
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MONITORING, INSPECTION, ANDMAINTENA
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Sample Site123 Main StreetSouth Lak
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3. MONITORINGIn 2011, South Lake Ta
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ATTACHMENT BWATER QUALITY DATA
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ATTACHMENT DINSPECTION AND MAINTENC
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• Discharge of stormwater from in
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PAVING SINGLE FAMILY RESIDENTIAL PR
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TRPA Shorezone permit (www.trpa.org
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CHAPTER 8: SHOREZONE PROTECTIVESTRU
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technical guidance on structural an
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Pope has developed a shorezone miti
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ADVANTAGES• Protect parcel develo
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Table 8-3: Categorical Classificati
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generate observable changes in the
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Table 8-5: The General Geomorphic C
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8.1.8.2 TOLERANCE DISTRICT AND BACK
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Figure 8-e: Option 2—Backshore De
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Scenic Resources and project compli
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8.2 BULKHEADS AND LAKE WALLS8.2.1 O
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oth the beach immediately fronting
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Like all BMPs, bulkheads and lake w
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For a bulkhead located such that th
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Figure 8-i: Typical Lake Wall (Grav
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Table 8-9: Advantages and Disadvant
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maintains its position under wave s
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8.3.4 INSTALLATIONAs with bulkheads
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Table 8-11: Advantages and Disadvan
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V t ≥ 5R c2(Equation 4.1)Where:Vt
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8.5 BEACH NOURISHMENT AND REPLENISH
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of not being able to protect the ba
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• The material must be washed to
Page 646 and 647:
nourishment will be determined by m
Page 648 and 649:
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8.7 BREAKWATERS8.7.1 OVERVIEWBreakw
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The procedure for determining armor
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8.8 SHOREZONE VEGETATION8.8.1 OVERV
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vegetation. Protecting a tree from
Page 658 and 659:
Overall, dredging can be either a p
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The Pneuma pump is a piece of dredg
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nature of the project and the poten
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8.10 TURBIDITY CURTAINS8.10.1 OVERV
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weights or connected firmly to sand
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Figure 8-o: Turbidity Curtain Desig
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Aquatic invasive species (AIS) also
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tanks into a sewage retention and/o
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• A common problem with recreatio
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8.12 BOAT RAMP CONSTRUCTION AND VEH
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amp at the change of grade. A V-gro
Page 682 and 683:
Figure 8-p: Boat Ramp DesignTRPA BM
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Table 8-22: Overview of Geotechnica
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8.14 SHOREZONE PROTECTIVE STRUCTURE
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8.14.2 ADDITIONAL CONSIDERATIONS FO
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some designated boundary or sphere
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spawning grounds and juvenile nurse
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Marine Science, School of Geoscienc
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Osborne, R.H., et. Al. (1985). Sedi
Page 698 and 699:
8.16 APPENDICES8.16.1 DESIGN CALCUL
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Figure 8-r defines the primary wave
Page 702 and 703:
8.16.1.2 WAVE RUN-UP FORMULA FOR BA
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• Use Equation 16.10 to calculate
Page 706 and 707:
Figure 8-u: Design Wave CasesTRPA B
Page 708 and 709:
Figure 8-v: Wave Setup and Run-Up f
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Alternative methods of wave calcula
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GLOSSARYAccretionMay be either a na
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eaches have no berm, others have se
Page 716 and 717:
DensityMass (in kg) per unit of vol
Page 718 and 719:
Fire Defensible SpaceRefers to the
Page 720 and 721:
Common terms related to land covera
Page 722 and 723:
PermeabilityThe property of a bulk
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ScourRemoval of underwater material
Page 726 and 727:
SlopeThe degree of inclination to t
Page 728 and 729:
Technical Advisory Committee (TAC)C
Page 730 and 731:
ACRONYMSACES - Automated Coastal En
Page 732 and 733:
NPS - Nonpoint SourceNRCS - Natural
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BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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