BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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4.5.1.14 STOCKPILE MANAGEMENTAlternative Name: Spoil Pile ManagementDESCRIPTIONStock/spoil pile management is the practice of properly storing excessconstruction materials for future use. This practice is designed to reduce oreliminate wind and water erosion.SITE SUITABILITYApplicable for all projects requiring stock/spoil pile storage of excavated soil,unwashed gravel, recovered paving rubble, and other spoil materials.Advantages• Minimizes contamination of ambient air and stormwater runoff at activeconstruction sites.Disadvantages• Improper stockpile management can result in additional disturbance anddamage to vegetation.BMP DESIGN APPROACHPollutant SourceControlHydrologic SourceControlStormwater TreatmentSCALE OF APPLICATIONAll SFR and MFR < 1acreMFR 1-5 Acre andCICU < 5 acresMFR and CICU > 5acres and all WQIPsTYPE OF APPLICATIONTemporaryPermanentDESIGN CONSIDERATIONS• Conduct management of stock and spoil piles year-round.• Locate all stock piles within construction area boundaries and, wherepossible, on paved areas. When practical, they should be located nearconstruction site entrances.• Locate stock/spoil piles a minimum of 50 feet from drainage courses andstormdrain inlets. This distance should be increased in sensitive areas such assteep slopes, SEZs, and shorezone areas and whenever feasible.• Educate construction site managers so that stockpiles are managed properlythroughout the construction period.• Stockpile materials at approved off-site locations when project area storagespace is limited.• Lake Tahoe Region’s Mediterranean climate, having a prolonged dry seasonwith low humidity, results in excessively dry soils during the constructionseason. Management of stock/spoil piles subject to wind erosion is critical.INSTALLATION• Remove construction stock/spoil piles from construction sites as soon aspossible.• Protect all stock/spoil piles from stormwater runoff using temporaryperimeter sediment barriers, such as berms, dikes, fiber rolls, silt fences,TRPA BMP HandbookChapter 4: BMP Toolkit2012 4.5.1.14-Stockpile ManagementPage 1
and/or gravel bags. Extend barriers around the entire perimeter ofstock/spoil piles.• Cover all stock/spoil piles with tarp, plastic, or other waterproof materialovernight and when precipitation is forecasted. Tie down or weight coversto prevent movement.• Underlay and cover stockpiles of asphalt cold mix with plastic or comparablematerial.• Protect spoil piles of sediment laden slash, such as whole-tree root wads, withsediment control barriers such as silt fences and fiber rolls.INSPECTION AND MAINTENANCE• Review medium term (five days) weather forecasts to determine thepotential need to cover stock/spoil piles. Thunderstorms during summermonths can cause substantial runoff and stock/spoil pile erosion.• Inspect and verify that stockpile protection is in place prior tocommencement of construction.• Frequently inspect and promptly repair/replace stock/spoil pile protections.Chapter 4: BMP ToolkitTRPA BMP Handbook4.5.1.14-Stockpile Management 2012Page 2
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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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Figure 4.1-i: Vegetated Filter Stri
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LIST OF FIGURESFigure 4.2-a: Slope
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Chapter 4: BMP ToolkitTRPA BMP Hand
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• Obtain and use a road abrasive
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• Mechanical broom sweepers may a
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EFFECTIVENESS CONSIDERATIONSA signi
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for dry basins or infiltration basi
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• For unpaved snow storage areas
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Figure 4.2-a: Slope Stabilization A
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Disadvantages• Not always success
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• Bind together long live branch
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Brush Layering and MattingBrush lay
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Advantages• Reduces the erosion p
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Table 4.2-1: Terracing Inspection a
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Disadvantages• Can be complicated
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• Revegetate the backfilled bench
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Figure 4.2-d: Timber Retaining Wall
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Advantages• Versatile and applica
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Table 4.2-3: Riprap Inspection and
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educe the concentration of runoff,
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Figure 4.2-g: Slope Bottom BenchFig
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• Contour Furrows - relatively de
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APPLICABILITYAll roads, driveways,
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Stormwater runoff from a paved park
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Figure 4.2-k: Grading for Sheet Flo
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INORGANIC MULCH:• Areas where org
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• Stockpile and use existing orga
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The surface under the raised decksh
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Figure 4.2-l: Rock Armor - Elevated
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Clustered boulders used for parking
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• Helps to protect wildlife.• H
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EFFECTIVENESS CONSIDERATIONSA prope
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Improper storage of hazardous mater
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• Try to use the entire product b
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facilities must be equipped with ap
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• Dispose of it properly• Be a
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Disadvantages• Additional resourc
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• All hay, cubed hay, straw, mulc
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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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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
Page 420 and 421: 4.5.1.3 DEWATERINGDESCRIPTIONDewate
Page 422 and 423: Figure 4.5-b: DewateringTRPA BMP Ha
Page 424 and 425: • Use this settled water to fill
Page 426 and 427: 4.5.1.4 CLEAN WATER DIVERSIONAltern
Page 428 and 429: • Avoid disturbing aquatic specie
Page 430 and 431: • Pipe slope drain: A rigid pipe,
Page 432 and 433: Stream Isolation Techniques:• Tur
Page 434 and 435: Figure 4.5-f: Water DiversionTRPA B
Page 436 and 437: 4.5.1.5 VEGETATION PROTECTIONAltern
Page 438 and 439: • Growing Space: Provide spacing
Page 440 and 441: Figure 4.5-g: Vegetation Protection
Page 442 and 443: 4.5.1.6 TEMPORARY SANITATION FACILI
Page 444 and 445: 4.5.1.7 DUST CONTROLAlternate Names
Page 446 and 447: • Blanket with geotextiles or veg
Page 448 and 449: 4.5.1.8 VEHICLE INGRESS EGRESS MANA
Page 450 and 451: • If possible, re-use swept or va
Page 452 and 453: 4.5.1.9 WINTERIZATIONDESCRIPTIONBet
Page 454 and 455: INSPECTION AND MAINTENANCEEnsure th
Page 456 and 457: 4.5.1.10 CONSTRUCTION STAGINGAltern
Page 458 and 459: 4.5.1.11 MATERIAL HANDLING STORAGE
Page 460 and 461: • Ensure that current Material Sa
Page 462 and 463: 4.5.1.12 TOPSOIL SALVAGEAlternative
Page 464 and 465: • If topsoil will not be used for
Page 466 and 467: 4.5.1.13 CONCRETE/BENTONITE MANAGEM
Page 468 and 469: Figure 4.5-i: Concrete Washout Stat
Page 472 and 473: Figure 4.5-j: Stockpile ManagementT
Page 474 and 475: 4.5.2 EROSION AND SEDIMENT CONTROLR
Page 476 and 477: 4.5.2.1 SWEEPINGDESCRIPTIONDuring c
Page 478 and 479: 4.5.2.2 DRAIN INLET PROTECTIONAlter
Page 480 and 481: inches. Take care to ensure that no
Page 482 and 483: Figure 4.5-k: Drain Inlet Protectio
Page 484 and 485: 4.5.2.3 FIBER ROLLAlternative Names
Page 486 and 487: • Adjust spacing of fiber rolls a
Page 488 and 489: Figure 4.5-l: Fiber RollsTRPA BMP H
Page 490 and 491: 4.5.2.4 SILT FENCEAlternative Names
Page 492 and 493: • Turn the fabric uphill at the e
Page 494 and 495: Figure 4.5-m: Silt FenceTRPA BMP Ha
Page 496 and 497: 4.5.2.5 EROSION CONTROL BLANKET SYS
Page 498 and 499: structures mark the boundaries of t
Page 500 and 501: Figure 4.5-p: Anchoring Geotextiles
Page 502 and 503: 4.5.2.6 HYDROMULCH, TACKIFIER, AND
Page 504 and 505: INSPECTION AND MAINTENANCE• Hydro
Page 506 and 507: 5.2 SOILSoil is a complex living sy
Page 508 and 509: Tilling green wood chips intothe so
Page 510 and 511: areas such as SEZs and in shorezone
Page 512 and 513: Large boulders provide permanent ve
Page 514 and 515: To address this TRPA’s Regional P
Page 516 and 517: to apply ½ inch of water. Water yo
Page 518 and 519: 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
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nourishment will be determined by m
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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
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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
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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
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8.16 APPENDICES8.16.1 DESIGN CALCUL
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Figure 8-r defines the primary wave
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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
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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
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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
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SlopeThe degree of inclination to t
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Technical Advisory Committee (TAC)C
Page 730 and 731:
ACRONYMSACES - Automated Coastal En
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NPS - Nonpoint SourceNRCS - Natural
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BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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