HomeMy WebLinkAboutPlan, Tentative APPLICANT 5/18/2020Y-0 ROCK SPLASH PAD
TO BE INSTALLED AT DRAIN
OUTFALL, 4" DEEP
LANDSCAPE BLOCK
465.83 TOB _
FL=465.33
18" GROWING MEDIUM RAIN
GARDEN TO BE PLANTED PER
EUGENE STORMWATER
MANAGEMENT MANUAL
REQUIREMENTS.
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4"X4"X4" TEE CONNECT 4"
PERF PIPE. CONNECT TO SUMP
PUMP.
4" STAND
PIPE W/4"
ATRIUM GRATE
RAIN GARDEN SECTION
CHAMBER
12" DEEP ROCK DRAIN 1/2"-2 1/2
CLEAN ROUND ROCK
NTS
NOTE:
1. SPECIFIED RAIN GARDEN PLANTINGS COME FROM APPENDIX 6B OF THE
EDSPM AND SHALL BE A DESIGN SATISFACTORY TO CITY. ANY
SUBSTITUTIONS SHALL BE APPROVED BY CITY OF SPRINGFIELD PRIOR TO
INSTALLATION.
ZONE A/W
ZONE B
21
VARIABLE
W/ SOCK WRAP
RAIN GARDEN SECTION
RAIN GARDEN 1
PLANT LIST
ZONE A/W 49 SQ. FT.
49 JUNCUS ENSIFOLIOUS, DAGGER
LEAF RUSH
ZONE B 81 SQ. FT.
FRAGARIA VIRGINIANA, WILD
STRAWBERRY
SURFACE AS
PER PLANS
FL=468.83
WATERPROOF BOX FOR
ELECTRICAL CONDUIT
2" PVC UNION
LIBERTY PUMPS LE41A-2
SERIES. 4/10 HP SUBMERSIBLE
SEWAGE PUMP W/2" DISCHARGE
KEEP DEBRIS FROM
CLOGGING
NTS
45°
4"
SOLID PLATE LID
RIM ELEV=467.70
CATCH BASIN
W7 -SUMP PUMP N.T.S.
CATCH BASIN W/
SUMP PUMP
53-1/4°x 29-1/4°
10 GA STEEL CATCH BASIN
WITH 24° SUMP ASPHALT
COATED INSIDE AND OUT.
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VICINITY MAP
NTS
AC
x x x x x x — x x x x
44.00"
g sar
o
II AC FL
F-- 1_
xx—
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OHL • `7' STL •GAS .
1 /DISCHARGE TO WEEPHOLE
IN CURB
�8" WW
STREET
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z.00'
PUE
t
STORMWATER TREATMENT PLAN
FOR
MORSE PARTITION
S. W. 1/4, SEC. 25, T.17S., R.3W., W.M.
TAX LOT 1800
SPRINGFIELD, LANE COUNTY, OREGON
OWNER/DEVELOPER 611t AIJIJNE66
NATHANIEL MORSE 2080 L STREET
ENGINEER SPRINGFIELD, OR
OLSON & MORRIS 97477
380 Q STREET SUITE 200
SPRINGFIELD, OR 97477
�I I
I
JOINT UTILITY TRENCH
� I
LF
1.00% 479 - -----467--
PROPOSED 415
RAIN GARDEN
129 SF
STL GAS-
/' PROPOSED
'\ OVERFLOW
3.• B W PUMP 413
IM ELEV=467.70
' FL IN (NW)=462.77
' I FL OUT (SE)=466.83
8" STM
•1
EX
RIM ELEV=467.73
8"FL OUT (SE)=466.73
) / I
/17 LF 479 I
/ 5=0.60%
PRESUMPTIVE METHOD USED
IMPERVIOUS AREA 3158 SF
ROOF 785 SF
RESULTING RAIN GARDEN MIN SIZE 124 SF
® ST CONSTRUCTION NOTES:
412. CONST GIBSON CATCH BASIN PER DETAIL ON THIS SHEET.
413. CONST CATCH BASIN WITH SUMP PUMP AND SOLID PLATE LID.
415. CONST RAIN GARDEN PER DETAILS ON SHEET C-2.0.
479. CONST 4" STORM DRAIN PIPE, D3034 PVC WITH RUBBER GASKET JOINTS
PROPOSED CUT AND FILL
CUT 103 CY
FILL 127 CY
29°
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Ross:
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STATE APPROVED - ASPHALT DIPPED
24" SQUARE - 4" OUTLET
STORM WATER CATCH BASIN BAG fi
T1
N
SCALE 1'- 10'
10 0 f0' 20'
LEGEND
PROPOSED PLANTING BLOCK
STORMWATER NOTES:
1. NEW IMPERVIOUS DRIVABLE SURFACE TO INCLUDE
APPROXIMATELY 3158 SQUARE FEET.
2. PROPOSED RAIN GARDEN TO TREAT AND CONVEY STORMWATER
RUNOFF FROM NEW SHARED DRIVE AND BLDG 2.
3. RAIN GARDEN OVERFLOW TO ROUTE STORMWATER TO EXISTING
CATCH BASIN ON 21ST STREET.
4. ALL PLUMBING SHALL MEET REQUIREMENTS OF OREGON
PLUMBING SPECIALTY CODE 2017.
5. FIRST 500 SQUARE FEET OF DRIVEWAY ON L STREET EXEMPT
FROM STORM TREATMENT AND IS PROPOSED TO SHEET DRAIN
TO L STREET.
6. RAIN GARDEN TO BE WRAPPED IN IMPERVIOUS MATERIAL IN
ORDER TO MEET OFFSET REQUIREMENTS FROM PROPERTY LINES
AND BUILDINGS.
7. STORMWATER RUNOFF FROM BUILDING 3&4 ROOF AREAS ARE
PROPOSED TO PIPE RUNNING INTO BACK OF EXISTING CATCH
BASIN ON 21ST STREET. BUILDINGS 1&2 ARE PROPOSED TO
CONVEY STORMWATER TO WEEP HOLES IN L STREET.
NOTES:
1. ELEVATIONS SHOWN ON THESE PLANS ARE BASED ON BENCHMARK SURVEY
DATA PROVIDED BY OLSON & MORRIS.
2. BENCHMARK: #204 ELEVATION: 467.40' DATUM: NAVD88
3. TIME OF TRAVEL ZONES FOR THIS AREA INDICATE A TIME OF TRAVEL OF 5-10
YEARS, THEREFORE, AN 18" SOIL MEDIA IS REQUIRED IN STORMWATER
TREATMENT FACILITY.
4. THESE PLANS ARE NOT TO BE USED FOR CONSTRUCTION IN THE FIELD
UNLESS CITY OF SPRINGFIELD BUILDING DEPARTMENT STAMP OF APPROVAL IS
SHOWN ON SHEET.
5. GRADING PLAN IS PRELIMINARY BASED ON ASSUMED FINISHED FLOOR GRADES
FOR NEW BUILDINGS AND IS SUBJECT TO CHANGE DURING BUILDING PERMIT
PHASE.
6. ADA RAMP SHOWN TO BE COMPLETED DURING BUILDING PERMIT PHASE.
SOIL NOTES:
1. SITE SOIL AWBRIG URBAN LAND #2226A. HSG D.
2. INFILTRATION RATES 0.01-0.07 IN/HR WITH A HIGH WATER TABLE ELEVATION
(<5 IN) ACCORDING TO WEB SOIL SURVEY. FOR THIS REASON, NO INFILTRATION
IS PROPOSED.
BOUNDARY LINE
0
EXISHNG ROADWAY
X
CXI577NG FENCELINE
RG
RAIN GARDEN
ST
PROPOSED MANHOLE
D
EXIS77NG BARRICIDE/647E
O
IX/S77NG CULVERT
o
IX/S77NG U77LITY POLE
f
OVERHEAD ELECTRIC UNE
12"ST
PROPOSED STORM DRAINAGE SYSTEM
PROPOSED PLANTING BLOCK
STORMWATER NOTES:
1. NEW IMPERVIOUS DRIVABLE SURFACE TO INCLUDE
APPROXIMATELY 3158 SQUARE FEET.
2. PROPOSED RAIN GARDEN TO TREAT AND CONVEY STORMWATER
RUNOFF FROM NEW SHARED DRIVE AND BLDG 2.
3. RAIN GARDEN OVERFLOW TO ROUTE STORMWATER TO EXISTING
CATCH BASIN ON 21ST STREET.
4. ALL PLUMBING SHALL MEET REQUIREMENTS OF OREGON
PLUMBING SPECIALTY CODE 2017.
5. FIRST 500 SQUARE FEET OF DRIVEWAY ON L STREET EXEMPT
FROM STORM TREATMENT AND IS PROPOSED TO SHEET DRAIN
TO L STREET.
6. RAIN GARDEN TO BE WRAPPED IN IMPERVIOUS MATERIAL IN
ORDER TO MEET OFFSET REQUIREMENTS FROM PROPERTY LINES
AND BUILDINGS.
7. STORMWATER RUNOFF FROM BUILDING 3&4 ROOF AREAS ARE
PROPOSED TO PIPE RUNNING INTO BACK OF EXISTING CATCH
BASIN ON 21ST STREET. BUILDINGS 1&2 ARE PROPOSED TO
CONVEY STORMWATER TO WEEP HOLES IN L STREET.
NOTES:
1. ELEVATIONS SHOWN ON THESE PLANS ARE BASED ON BENCHMARK SURVEY
DATA PROVIDED BY OLSON & MORRIS.
2. BENCHMARK: #204 ELEVATION: 467.40' DATUM: NAVD88
3. TIME OF TRAVEL ZONES FOR THIS AREA INDICATE A TIME OF TRAVEL OF 5-10
YEARS, THEREFORE, AN 18" SOIL MEDIA IS REQUIRED IN STORMWATER
TREATMENT FACILITY.
4. THESE PLANS ARE NOT TO BE USED FOR CONSTRUCTION IN THE FIELD
UNLESS CITY OF SPRINGFIELD BUILDING DEPARTMENT STAMP OF APPROVAL IS
SHOWN ON SHEET.
5. GRADING PLAN IS PRELIMINARY BASED ON ASSUMED FINISHED FLOOR GRADES
FOR NEW BUILDINGS AND IS SUBJECT TO CHANGE DURING BUILDING PERMIT
PHASE.
6. ADA RAMP SHOWN TO BE COMPLETED DURING BUILDING PERMIT PHASE.
SOIL NOTES:
1. SITE SOIL AWBRIG URBAN LAND #2226A. HSG D.
2. INFILTRATION RATES 0.01-0.07 IN/HR WITH A HIGH WATER TABLE ELEVATION
(<5 IN) ACCORDING TO WEB SOIL SURVEY. FOR THIS REASON, NO INFILTRATION
IS PROPOSED.
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® PAVING CONSTRUCTION NOTES:
1. CONST COMMERCIAL DRIVEWAY ENTRANCE PER CITY OF
SPRINGFIELD STD DRAWING 3-20. REFER TO DETAIL ON THIS SHEET.
2. CONST CURBSIDE SIDEWALK PER CITY OF SPRINGFIELD STD DRAWING 3-12.
REFER TO DETAIL ON THIS SHEET
3. CONST SIDEWALK ACCESS ADA RAMP PER DETAIL ON THIS SHEET IN ACCORDANCE
WITH OREGON STD DRAWING RD757 OPTION K.
NOTES:
1. ELEVATIONS SHOWN ON THESE PLANS ARE BASED ON BENCHMARK SURVEY
DATA PROVIDED BY OLSON & MORRIS.
2. BENCHMARK: #204 ELEVATION: 467.40' DATUM: NAVD88
3. TIME OF TRAVEL ZONES FOR THIS AREA INDICATE A TIME OF TRAVEL OF 5-10
YEARS, THEREFORE, AN 18" SOIL MEDIA IS REQUIRED IN STORMWATER
TREATMENT FACILITY.
4. THESE PLANS ARE NOT TO BE USED FOR CONSTRUCTION IN THE FIELD
UNLESS CITY OF SPRINGFIELD BUILDING DEPARTMENT STAMP OF APPROVAL IS
SHOWN ON SHEET.
5. GRADING PLAN IS PRELIMINARY BASED ON ASSUMED FINISHED FLOOR GRADES
FOR NEW BUILDINGS AND IS SUBJECT TO CHANGE DURING BUILDING PERMIT
PHASE.
STORMWATER TREATMENT PLAN
FOR
MORSE PARTITION
S. W. 1/4, SEC. 25, T.17S., R.3W., W.M.
TAX LOT 1800
SPRINGFIELD, LANE COUNTY, OREGON
ANIEL MORSE
BEER
N & MORRIS
Q STREET SUITE 200
JGFIELD, OR 97477
2080 L STREET
SPRINGFIELD, OR
97477
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N
SCALE 1 '-f0'
10 0 f0' 20'
LEGEND
PROPOSED PLANTING BLOCK
GRADING LEGEND
(\
BOUNDARY LINE
AC
EXISHNG ROADWAY
BW
X
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RG
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ST
PROPOSED MANHOLE
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EXISTING GROUND
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o
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f
OVERHEAD ELECTRIC UNE
12NST
PROPOSED STORM DRAINAGE SYSTEM
PROPOSED PLANTING BLOCK
GRADING LEGEND
(\
PROPOSED FLOW DIRECTION
AC
ASPHALT ELEVATION
BW
BACK OF WALK ELEVATION
TC
TOP OF CURB
EX
EXISTING ELEVATION
SW
SIDEWALK
EG
EXISTING GROUND
SHEET
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