HomeMy WebLinkAboutPlan, Tentative APPLICANT 11/5/2019—EX. 12" S.D. _
EXISTING STORM DRAIN AND SIZE
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EXISTING WASTE WATER AND SIZE
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EXISTING TIME OF TRAVEL LINES
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2� PROPOSED 20' PRIVATE ACCESS &UTILITY EASEMENT
3� PROPOSED 5' PRIVATE WASTEWATER EASEMENT
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EXISTING STORM DRAIN AND SIZE
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EXISTING WASTE WATER AND SIZE
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EXISTING TIME OF TRAVEL LINES
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EXISTING NATIVE GROUND ELEVATION
453.18 F.S.
PROPOSED FINISH SURFACE ELEVATION
EASEMENTS
PROPOSED 7 PUBLIC UTILITY EASEMENT
PROPOSED 20' PRIVATE ACCESS &UTILITY EASEMENT
PROPOSED 5 PRIVATE WASTEWATER EASEMENT
ESTIMATED EARTHWORK
CUT = 50 C.Y.
FILL = 50 C.Y.
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CONSTRUCTED MEDIUM
GRASSY SWALE
+ - _ 4 N
12" OF 3/4"– 0" CRUSHED ROCK
25' – 1" OPEN DRAIN ROCK
1. THE THICKNESS OF THE CONSTRUCTED MEDIUM, INCLUDING OR IN ADDITION TO THE GROWING MEDIUM, AT THE BASE
OF THE SWALE SHALL BE A MINIMUM OF 12 INCHES THICK.
2. THE BASE OF THE SWALE SHALL INCLUDE A CONSTRUCTED MEDIUM COMPRISING A MIXTURE OF SAND, NATIVE SOIL,
LOAM, AND COMPOST. THE FRACTION OF ORGANIC CARBON (FOC) IN THE CONSTRUCTED MEDIUM SHALL BE A MINIMUM
OF 0.20 (I.E., 40-50%) ORGANIC MATTER. IF THE GROWING MEDIUM DOES NOT CONFORM TO THIS MINIMUM FOC
REQUIREMENT, THEN THE CONSTRUCTED MEDIUM WOULD BE PLACED IN ADDITION TO THE REQUIRED GROWING MEDIUM.
3. SEED MIX SHALL BE AS FOLLOWS OR APPROVED EQUAL:
Grassy Swale Native Seed Mix Percentages are by weight:
Hordeum brachyantherum (Meadow Barley) = 25%
Danthonia californica (California Oat–grass) = 15%
Elymus glaucus (Blue Wild Rye) = 10%
Bromus carinatus (California Brome) = 10%
Festuca romerii (Roemer's fescue) = 10%
Deschampsia cespitosa (Tufted hairgrass) = 10%
Agrostis exarata (Spike bentgrass) = 10%
Alopecurus geniculatus (Water foxtail) = 5%
Deschampsia elongata (Slender hairgrass) = 5%
4. INSTALL 2 CHECK DAMS EQUALLY SPACED WITH 4" OPEN ANGULAR ROCK 4" HIGH MIN.
TYPICAL DRIVEWAY SECTION
NO SCALE
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CONSTRUCTED MEDIUM
GRASSY SWALE
+ - _ 4 N
12" OF 3/4"– 0" CRUSHED ROCK
25' – 1" OPEN DRAIN ROCK
1. THE THICKNESS OF THE CONSTRUCTED MEDIUM, INCLUDING OR IN ADDITION TO THE GROWING MEDIUM, AT THE BASE
OF THE SWALE SHALL BE A MINIMUM OF 12 INCHES THICK.
2. THE BASE OF THE SWALE SHALL INCLUDE A CONSTRUCTED MEDIUM COMPRISING A MIXTURE OF SAND, NATIVE SOIL,
LOAM, AND COMPOST. THE FRACTION OF ORGANIC CARBON (FOC) IN THE CONSTRUCTED MEDIUM SHALL BE A MINIMUM
OF 0.20 (I.E., 40-50%) ORGANIC MATTER. IF THE GROWING MEDIUM DOES NOT CONFORM TO THIS MINIMUM FOC
REQUIREMENT, THEN THE CONSTRUCTED MEDIUM WOULD BE PLACED IN ADDITION TO THE REQUIRED GROWING MEDIUM.
3. SEED MIX SHALL BE AS FOLLOWS OR APPROVED EQUAL:
Grassy Swale Native Seed Mix Percentages are by weight:
Hordeum brachyantherum (Meadow Barley) = 25%
Danthonia californica (California Oat–grass) = 15%
Elymus glaucus (Blue Wild Rye) = 10%
Bromus carinatus (California Brome) = 10%
Festuca romerii (Roemer's fescue) = 10%
Deschampsia cespitosa (Tufted hairgrass) = 10%
Agrostis exarata (Spike bentgrass) = 10%
Alopecurus geniculatus (Water foxtail) = 5%
Deschampsia elongata (Slender hairgrass) = 5%
4. INSTALL 2 CHECK DAMS EQUALLY SPACED WITH 4" OPEN ANGULAR ROCK 4" HIGH MIN.
TYPICAL DRIVEWAY SECTION
NO SCALE
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