rcity of san diego permit nos. grading 32010 · 2019-02-27 · area of basin floor see plan fg...
TRANSCRIPT
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OUTFALL PIPE,@ 2% MINSEE PLAN FORDIAMETER
ORIFICE PLATESEE DETAIL THISSHEET
FLOW
ENGINEERED SOILSEE NOTE 2 CATCH BASIN
GRAVELSTORAGE BASIN
OUTLET
ORIFICE PLATE MIN SQUAREDIMENSIONS1.0 FT GREATER THAN
PIPE DIA. HOT-DIP GALVANIZE PLATEAFTER HOLES HAVE BEEN DRILLED
12" MAX
ORIFICE DIAMETER (DIA)SIZED PER IMP DATATABLE RIGHT
INFLOW PIPEORIFICE PLATE & FLANGE CONNECTION TOCONCRETE SHALL BE FITTED WITH 30DUROMETER NEOPRENE RING.
1.
STORAGE BASIN OUTLET4" PVC SDR-35 FLANGE & ORIFICE
OUTFALL PIPEFLOW
L
W
MIN. 6"
Hd
PLATE CONNECTION(SEE NOTE 1)
MIN. 4" DIA. FLOW
3/8" DIA HOLE (TYP)
MIN 6" (TYP)3" (TYP)
BROOKS No. 2424
BASIN OUTLETDETAIL
SURFACE AREA
BASIN INVERT
TOP OF BASIN
EMERGENCYSPILLWAY
3:1
MAX
.
TOP OF BASIN
4" PERFORATED PIPE(UNDERDRAIN)
V2 STORAGEGRAVELPER IMP TABLE
V1 STORAGEPLANTING MIXPER IMP TABLE
OUTFLOW
BASIN OUTLETDETAIL LEFT
SURFACE AREA LIMIT AND VOLUME PER TABLE DMA/IMP LOCATED ON SHEET 4DETERMINED BY EXTENT OF SPECIFIED PLANTING MIX, WHICH IS GOVERNED BYTHE OUTLET SPILL ELEVATION. FOR REQUIRED SURFACE AREA REFER TO THEFACTORS AND EQUATIONS IN THE STORMWATER C.3 GUIDEBOOK.
1.
SURFACEFLOW
NOT TO SCALE
AREA OF BASIN FLOOR SEE PLAN
FG ELEVATION
TG = FGELEVATION - O.2'
BIORETENTION ENGINEERED SOIL LAYER SHALL BE SANDY LOAM SOILMIX WITH NO MORE THAN 5% CLAY CONTENT . THE MIX SHALLCONTAIN 50-60% SAND, 20-30% COMPOST OR HARDWOOD MULCH,AND 20-30% TOPSOIL.
2.
10"
18"
18"
10"
BIORETENTION ENGINEERED SOIL LAYER SHALLBE SANDY LOAM SOIL MIX WITH NO MORE THAN5% CLAY CONTENT . THE MIX SHALL CONTAIN50-60% SAND, 20-30% COMPOST OR HARDWOODMULCH, AND 20-30% TOPSOIL.
2.
●
OUTFALL PIPE,@ 2% MINSEE PLAN FORDIAMETER
ORIFICE PLATESEE DETAIL THISSHEET
FLOW
ENGINEERED SOILSEE NOTE 2 CATCH BASIN
GRAVELSTORAGE BASIN
OUTLET
ORIFICE PLATE MIN SQUAREDIMENSIONS1.0 FT GREATER THAN
PIPE DIA. HOT-DIP GALVANIZE PLATEAFTER HOLES HAVE BEEN DRILLED
12" MAX
ORIFICE DIAMETER (DIA)SIZED PER IMP DATATABLE RIGHT
INFLOW PIPEORIFICE PLATE & FLANGE CONNECTION TOCONCRETE SHALL BE FITTED WITH 30DUROMETER NEOPRENE RING.
1.
STORAGE BASIN OUTLET4" PVC SDR-35 FLANGE & ORIFICE
OUTFALL PIPEFLOW
L
W
MIN. 6"
Hd
PLATE CONNECTION(SEE NOTE 1)
MIN. 4" DIA. FLOW
3/8" DIA HOLE (TYP)
MIN 6" (TYP)3" (TYP)
BROOKS No. 2424
BASIN OUTLETDETAIL
SURFACE AREA(NOTE 1)
BASIN INVERT
TOP OF BASIN
EMERGENCYSPILLWAY
3:1
MAX
.
TOP OF BASIN
4" PERFORATED PIPE(UNDERDRAIN)
V2 STORAGEGRAVELPER IMP TABLE
V1 STORAGEPLANTING MIXPER IMP TABLE
OUTFLOW
BASIN OUTLETDETAIL LEFT
SURFACE AREA LIMIT AND VOLUME PER TABLE DMA/IMP LOCATED ON SHEET 4DETERMINED BY EXTENT OF SPECIFIED PLANTING MIX, WHICH IS GOVERNED BYTHE OUTLET SPILL ELEVATION. FOR REQUIRED SURFACE AREA REFER TO THEFACTORS AND EQUATIONS IN THE STORMWATER C.3 GUIDEBOOK.
1.
SURFACEFLOW
NOT TO SCALE
AREA OF BASIN FLOOR SEE PLAN
FG ELEVATION
TG = FGELEVATION - O.2'
BIORETENTION ENGINEERED SOIL LAYER SHALL BE SANDY LOAM SOILMIX WITH NO MORE THAN 5% CLAY CONTENT . THE MIX SHALLCONTAIN 50-60% SAND, 20-30% COMPOST OR HARDWOOD MULCH,AND 20-30% TOPSOIL.
2.
10"
18"
18"
10"
BIORETENTION ENGINEERED SOIL LAYER SHALLBE SANDY LOAM SOIL MIX WITH NO MORE THAN5% CLAY CONTENT . THE MIX SHALL CONTAIN50-60% SAND, 20-30% COMPOST OR HARDWOODMULCH, AND 20-30% TOPSOIL.
2.
●
OUTFALL PIPE,@ 2% MINSEE PLAN FORDIAMETER
ORIFICE PLATESEE DETAIL THISSHEET
FLOW
ENGINEERED SOILSEE NOTE 2 CATCH BASIN
GRAVELSTORAGE BASIN
OUTLET
ORIFICE PLATE MIN SQUAREDIMENSIONS1.0 FT GREATER THAN
PIPE DIA. HOT-DIP GALVANIZE PLATEAFTER HOLES HAVE BEEN DRILLED
12" MAX
ORIFICE DIAMETER (DIA)SIZED PER IMP DATATABLE RIGHT
INFLOW PIPEORIFICE PLATE & FLANGE CONNECTION TOCONCRETE SHALL BE FITTED WITH 30DUROMETER NEOPRENE RING.
1.
STORAGE BASIN OUTLET4" PVC SDR-35 FLANGE & ORIFICE
OUTFALL PIPEFLOW
L
W
MIN. 6"
Hd
PLATE CONNECTION(SEE NOTE 1)
MIN. 4" DIA. FLOW
3/8" DIA HOLE (TYP)
MIN 6" (TYP)3" (TYP)
BROOKS No. 2424
BASIN OUTLETDETAIL
SURFACE AREA
BASIN INVERT
TOP OF BASIN
EMERGENCYSPILLWAY
3:1
MAX
.
TOP OF BASIN
4" PERFORATED PIPE(UNDERDRAIN)
V2 STORAGEGRAVELPER IMP TABLE
V1 STORAGEPLANTING MIXPER IMP TABLE
OUTFLOW
BASIN OUTLETDETAIL ABOVE
SURFACE AREA LIMIT AND VOLUME PER TABLE DMA/IMP LOCATED ON SHEET 4DETERMINED BY EXTENT OF SPECIFIED PLANTING MIX, WHICH IS GOVERNED BYTHE OUTLET SPILL ELEVATION. FOR REQUIRED SURFACE AREA REFER TO THEFACTORS AND EQUATIONS IN THE STORMWATER C.3 GUIDEBOOK.
1.
SURFACEFLOW
NOT TO SCALE
AREA OF BASIN FLOOR SEE PLAN
FG ELEVATION
TG = FGELEVATION - O.2'
BIORETENTION ENGINEERED SOIL LAYER SHALL BE SANDY LOAM SOILMIX WITH NO MORE THAN 5% CLAY CONTENT . THE MIX SHALLCONTAIN 50-60% SAND, 20-30% COMPOST OR HARDWOOD MULCH,AND 20-30% TOPSOIL.
2.
10"
D1=18"
D2=18"
10"
BIORETENTION ENGINEERED SOIL LAYER SHALLBE SANDY LOAM SOIL MIX WITH NO MORE THAN5% CLAY CONTENT . THE MIX SHALL CONTAIN50-60% SAND, 20-30% COMPOST OR HARDWOODMULCH, AND 20-30% TOPSOIL.
2.
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