HomeMy WebLinkAboutSDP 2019-0014; CARLSBAD OAKS NORTH LOT 2; PRIORITY DEVELOPMENT PROJECT (PDP) STORM WATER QUALITY MANAGEMENT PLAN (SWQMP); 2020-06-01SCALE 1'40'
0 40 80 120 160
CARLSBAD OAKS NORTH LOT 2
DMA EXHIBIT
8/0-BASIN SUMMARY TABLE
BOX RISER /
SURFACE Al AJ 9 01'ERFL OH' ORIFICES DIAMETER
BASIN DMA
DRAINS OF M FOOTPRINT A2
(INC/I)
C
(INCH)
D
(INCH)
STRUCTURE
SIZE
/4/PERMEABLE
LINER? (SOFT) (INCH) (IN)Y) (IN)V
UPPER LOH'ER / (INC//ESJ (INc4') (INCH)
MA-1 BMP-A BIOFIL TRA liON 8734.98 6 120 60 - 21.0 24 48/48 - 2 YES
DMA-2 84/P-B BIO/7L TRA liON 1354.12 6 - 120 60 - 21.0 24 36/36 - 1 YES
DMA-3 N/A SELF-MI17CA17NC - - - - - - - - - - -
DMA-4 N/A SELF-M/TiCA 17NC I - - - - - - - - - -
TO 1W,4 T011 I -I VISTWOE FROM TOF
f
APRON FOR ENEROY URS 011T AON
- N -
) ANOLEOFINFLUENE S kFRIZ OW 0 STRU07URF -10P OF 9A SIN
JfADMAINTEACESS 1__"_ZM MOY TOP OF
CREASE IN ZINER 7cLEAN OUT L ORA LAYER
-
H
30 CH\(
Al FLEVA liON )ZAN L/ARAN 8
PLACED
F: ACA91AW711 URS
N
A/VOLE OF //VFLUENCE— R,4 IE
LINE FROM TOP OF r6 OF PEA / ANCLE OF INFLUENCE
CPA WZ LAYER L NE FROM TOP OF
AA/T/C/PA TED AND POTENT/AL POLL UTANTS GENERA TED BY LAND USE TYPE
PER MODEL BIWP DES/ON MANUAL 0'UNE 2015
PRIORITY
PROJECT SEDIMENT NUTRIENTS
TRASH OXYOEN
DEMAND/NC 01Z BACTERL4 PESX/DES
'ATEOORIES METALS CVMPOUNDS DEBRIS SUBSTANCES
PARK/NC LOTS P(i) P(i) X A' P(i) K P(l)
A' = AN/iC/PA TED
P = P0 TEN//AL
A POTEN17AL POLLUTANT IF LANDSCAP//VC EXISTS ONS/TE
A POTEN17AL POLLUTANT IF THE PROJECT INCLUDES UNCOVERED PARK/NC AREAS
A P07MJAL POLLUTANT IF LAND USE /NVOL YES FOOD OR ANIMAL H'ASTE PRODUCTS
/NCLUD/NC PETROLEUM HYDROCARBONS
/NCLUD/NO SOL VENTS
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/ -
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BMPMANUAL
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MAP
Excel Engineering
Figure 0.1-1: 85th Percentile 24-hour I sopluvtal Map
ATTACHMENT 2
BACKUP FOR POP HYDROMODIFICATION CONTROL MEASURES
[This is the cover sheet for Attachment 2.]
Indicate which Items are Included behind this cover sheet:
Attachment Contents Checklist
Sequence
Attachment 2a Hydromodification Management i ' Included
Exhibit (Required)
See Hydromodification Management
Exhibit Checklist on the back of this
Attachment cover sheet.
Attachment 2b Management of Critical Coarse .1 Exhibit showing project Sediment Yield Areas (WMAA Exhibit drainage boundaries marked on is required, additional analyses are WMAACritical Coarse Sediment optional) Yield Area Map (Required)
See Section 6.2 of the BMP Design Optional analyses for Critical Coarse Manual. Sediment Yield Area Determination
] 6.2.1 Verification of Geomorphic
Landscape Units Onsite
i 6.2.2 Downstream Systems
Sensitivity to Coarse Sediment
J 6.2.3 Optional Additional Analysis
of Potential Critical Coarse
Sediment Yield Areas Onsite
Attachment 2c Geomorphic Assessment of Receiving .1V Not performed
Channels (Optional) j Included
See Section 6.3.4 of the BMP Design
Manual.
Attachment 2d Flow Control Facility Design and j V Included
Structural BMP Drawdown
Calculations (Required)
See Chapter 6 and Appendix G of the
BMP Design Manual
SCALE 1'=40'
-
0 40 90 120 160
8/0-8,45//V SUMAI,4RY 7ASLE
BOX RISER /
SURFACE Al AJ OVER/ZO/%' ORIFICES DIAMETER DMA Tr f-
DRAINS TO T)'E OF BMP FOOTPRINT A2
(INCH)
C
()
D
(INCH)
STRUCTURE
SIZE
IMPERMEABLE
LINER? (SQFT) (INCh) (INCH)
UPPER UPPER LOH'ER (INCHES) (INCH)
DMA-i gyp-A BIOFIL iRA liON 8734.98 6 120 60 - 21.0 24 48X48 - 2 YES
DMA-2 BMP-B BIOFIL iRA liON 135412 6 120 60 - 21.0 24 36X36 - 1 YES
1oMA-3 N/A SELF-MIllCAliNC - - - - - - - - - - -
DMA-I N/A SELF-M/l7CAiiNC - - - - - - - - - - -
NO LIVE LIVE
,—A0/770NAL MEDIA LOADIN6 LOADINC
/ TO MA TCH /-I DISTANCE FROM TOE — I WERE MEETS OF SLOPE TO LINER IN
-
4'v -6" DROP FROM I NA liVE SOIL CRA VLZ LAYER APRON FOR ENERCY- CURB CUT TO APRON PROPOSED- I • I14 JER QUALITY ENDS AT Al DIMENSION DISSIPATER
) 'NCLE OF INFZUENCE SURFACE -OVERFLOW STRUCTURE .—TOP OF BASIN /'LINE FROM TOP OF TT-4'
*1
ANDMAINTENANEACESS EAN PZR /r
l\ L /RAVEZ LAYER
7~9
___
[PER
-J, 1 11 ILA YER /
xApf
V A/ ELEVATION PLAN - /L/NE FLACR CAN BE \ N
ED UNDER N, V
7 Z- YC014 TlkW 5-,.. / CURB
V
INFLUENCE
iRA ftON
ANCLE OF
47
LINE FROM TOP OF CRA ANOLEOF INFLUENCE
ANT/C/PA TED AND POTENT/AL POLL 1/TANTS CENERA TED BY LAND USE TYPE
PER MODEL BMP DES/ON MANUAL IJUNE 20/5
PRIORITY
PROJECT SEDIMENT NUTRIENTS
TRASH
COMPOUNDS DEMAND/NC
0XY6'EN OIL& BAC1ERZ4 & PESll'/DES
4TE0OR/ES METALS DEBRIS SUBSTANCES
PARK/NC LOTS P(i) P(l) K K P(l) K P(l)
K = ANTIC/PA ltD
P = POTENTIAL
(1) A POTENTIAL POZZUTANT/F LANDSCAPINC EXISTS ONS/TE
(2),4 POTENTIAL POLLUTANT IF THE PROJECT INCLUDES UNCOVERED PARK/NC AREAS
(3) A POTENTIAL POLLUTANT IF LAND USE IN VOL VES FOOD OR ANIMAL WASTE PRODUCTS
(1) /NCLUL7INC PETROLEUM H)DROCARBONS
(5) INCLUDINC SOL VENTS
'T'IIIE
CRAVELLAYEP
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ATTACHMENT 2b
I
FN/E IJT
CRITICAL COARSE
SEDIMAENT YIELD
AREAS
*. •.t'
'$
I nd
:. • # Potential Critical Coarse Sediment
Proposed Site Plan - Lot 2
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