HomeMy WebLinkAbout1411 Crystal Lake Rd-Civil Grading-Drainage Plan 2021-12-15>>
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MEAN HIGH WATER LINE
DEFINED BY GARY BEACH
ENVIR0MENTAL
FIELD LOCATED JULY 21, 2016
(EDGE OF SLOPE ANALYSIS)WETLANDS DELINEATION
DEFINED BY GARY BEACH
ENVIR0MENTAL
FIELD LOCATED JULY 21, 2016
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EXISTING PATIO
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7981
7983
7982
79
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1
7982
7983
7981
798
0
7
9
8
0
7
9
7
9
7983
7982
7981
7980
7979
7978
EXISTING
BOULDER (TYP)
EXISTING STORMWATER
DRY WELL
PROPOSED POOL; RE. TO
POOL PLANS BY OTHERS
REMOVE EXISTING
RETAINING WALL
PROPOSED RAIN GARDEN
(BRC-1); RE. TO SUMMARY SIZING
TABLE & DETAIL SHT. C-2.0
EX. TRENCH DRAIN TO BE PROTECTED OR REPLACED
IN KIND IF DAMAGED DURING CONSTRUCTION
CONTRACTOR TO SURVEY IN TOP OF SLOPE
& INSTALL SILT FENCE (RE. TO DETAIL SHT.
C-2.0) TO CONTROL SEDIMENT TRANSPORT
& TO ESTABLISH LIMITS OF DISTURBANCE
APPROX.
LIMITS OF
DISTURBANCE
(1,550± sf)
REPLACE EX. STEPS IN
KIND IF DAMAGED
DURING CONSTRUCTION
1
1
2
2
3
3
4
4
5
5
EX-BASIN 1; RE. TO BASIN & WQCV
SUMMARY TABLE SHT C-2.0
EX-BRC
CONTRACTOR TO PROTECT EXISTING RAIN
GARDEN AND RE-SHAPE TO ACCOMMODATE
FINAL SITE CONDITIONS & ENSURE REQ'D
WQCV IS PROVIDE; RE. TO BRC SIZING TABLE
SHT. C-2.0
POST-BASIN 1
AREA: 1,000 sf
REQ. WQVC:
1411 CRYSTAL LAKE ROAD
>
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EXISTING PATIO
PERFORATED UNDERDRAIN W/
CLEANOUTS & SLD. GRATES
SOLID UNDERDRAIN
W/ RODENT SCREEN
INV: 7980.2±
FG: 82.25
FL: 82.28 FL: 82.28
TW: 82.50
FL: 82.40FL: 82.40
FL: 82.31 FL: 82.91
FL: 82.00
TC: 83.66
TC: 83.66
TW: 82.50
TW: 82.50
TW: 82.50
TW: 82.50
BW: 81.18
BW: 81.00
BW: 80.72BW: 80.78
BW: 81.04
BW: 80.73BW: 80.85
BW: 81.01
BW: 81.32
SF
INSTALL SEDIMENT
CONTROL LOG
SECTION 1 - 1
7976
7978
7980
7982
7984
7986
7988
7976
7980
7984
7988
0 100-10
SECTION 2 - 2
7976
7978
7980
7982
7984
7986
7988
7976
7980
7984
7988
0 100-10
SECTION 3 - 3
7974
7976
7978
7980
7982
7984
7986
7988
7974
7976
7980
7984
7988
0 100-10
SECTION 4 - 4
7976
7978
7980
7982
7984
7986
7988
7976
7980
7984
7988
0 100-10
SECTION 5 - 5
7976
7978
7980
7982
7984
7986
7988
7976
7980
7984
7988
00-10
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A
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PROPOSED
POOL
EX.
PATIO
PROPOSED
POOL
EX.
PATIOTC: 7983.66
TW: 7982.50
TC: 7983.66
FL: 7982.32
TC: 7983.66
FG: 7982.25
TC: 7983.66
FL: 7982.29
TC: 7983.66
FL: 7982.40
TW: 7982.53
TW: 7982.50
TW: 7982.50
TW: 7982.50
EX. TRENCH DRAIN TO BE PROTECTED
OR REPLACED IN KIND IF DAMAGED
DURING CONSTRUCTION (TYP)
BW: 7981.12
15
'
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15
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15
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A
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K
BW: 7981.01
BW: 7980.72
BW: 7980.95SURVEY TOP OF SLOPE SETBACK AND
INSTALL SILT FENCE FOR SEDIMENT
CONTROL & TO DELINEATE LIMITS OF
ALLOWABLE DISTURBANCE (TYP)
PROPOSED
POOL
SECTION SCALE
HORZ: 1" =5'
VERT: 1"=5'
SECTION SCALE
HORZ: 1" =5'
VERT: 1"=5'
SECTION SCALE
HORZ: 1" =5'
VERT: 1"=5'
SECTION SCALE
HORZ: 1" =5'
VERT: 1"=5'
SECTION SCALE
HORZ: 1" =5'
VERT: 1"=5'
PROPOSED
POOL
EX.
PLANTER
EX.
PATIOPROPOSED
POOL
6" MAX.
OPRIS ES NGINEERING, LLC.
CIVIL CONSULTANTS
31228.01JOB NO.
DATE:12-15-2021
502 MAIN STREET
CARBONDALE, CO 81623
(970) 704-0311
FAX: (970)-704-0313
DATE REVISION
C-1.0
DRAWING NO.
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GRADING, WATER
QUALITY & EROSION
CONTROL PLAN
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1 inch = ft.
( IN FEET )
GRAPHIC SCALE
010 10 20
10
405
MEMBER UTILITIES
FOR THE MARKING OF UNDERGROUND
BEFORE YOU DIG, GRADE, OR EXCAVATE
CALL 2-BUSINESS DAYS IN ADVANCE
Know what's below.
before you dig.Call
R
GENERAL NOTES:
1.EXISTING CONTOURS ILLUSTRATED HEREIN ARE AT 1 FT INTERVALS & PREPARED BY SOPRIS ENGINEERING.
2.PROPOSED CONTOURS ARE AT 1 FT INTERVALS.
3.ALL SPOT ELEVATIONS AND GRADING CONCEPTS SHALL BE FIELD VERIFIED PRIOR TO CONSTRUCTION. ANY DEVIATIONS SHALL BE
COORDINATED WITH THE ENGINEER OF RECORD AND LANDSCAPE ARCHITECT.
4.THIS PROPERTY IS SITUATED IN ZONE "X" (AREA DETERMINED TO BE OUTSIDE THE 500-YEAR FLOOD PLAIN) AS SHOWN ON THE FLOOD
INSURANCE RATE MAP PREPARED BY F.E.M.A. FOR PITKIN COUNTY COLORADO, COMMUNITY-PANEL NUMBER 08097C0366E, EFFECTIVE
DATE: AUG. 15, 2019.
5.THE CONTRACTOR MUST IMPLEMENT BEST MANAGEMENT PRACTICES (BMP's) TO MINIMIZE THE TRANSPORTATION OF SEDIMENT BEYOND
THE LIMITS OF DISTURBANCE.
6.NO SITE DISTURBANCE IS PERMITTED WITHIN THE 15-FT TOP OF SLOPE SETBACK. CONTRACTOR IS REQUIRED TO CONTAIN ALL WORK
OUTSIDE THE TOP OF SLOPE SETBACK.
7.CONTRACTOR SHALL PROTECT ALL EXISTING TREES THAT ARE TO REMAIN. A TREE PROTECTION PLAN MUST BE APPROVED BY CITY PARKS
DEPARTMENT AND LANDSCAPE ARCHITECT PRIOR TO COMMENCING CONSTRUCTION.
8.THE UTILITIES AS SHOWN, MAY NOT REPRESENT ACTUAL FIELD CONDITIONS. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO CONTACT
ALL UTILITY COMPANIES FOR FIELD LOCATIONS OF UTILITIES PRIOR TO CONSTRUCTION.
DRAINAGE DIRECTION/SLOPE
SPOT ELEVATION
EXAMPLE: FINAL GRADE @ 8001.60' =
BW = BOTTOM OF WALL
FG = FINISHED GRADE
FL = FLOW LINE
ME = MATCH EXISTING
TW = TOP OF WALL
XX:XX.XX'
2.0%
FG:01.60'
SPOT ELEVATION LEGEND
VICINITY MAP
SCALE: 1" = 200'
PROPOSED CONTOUR
PROPOSED CONTOUR INTERVAL7900
EXISTING MINOR CONTOUR (1' INTERVAL)
EXISTING MAJOR CONTOUR (5' INTERVAL)8005
PROPOSED SEDIMENT CONTROL LOGSCL
PROPOSED LIMIT OF DISTURBANCELOD
8000
LEGEND
TITLE PROPERTY DESCRIPTION
PARCEL I
A parcel of land situated in the NE 1/4 of Section 18, Township 10 South, Range 84 West, of the 6th Principal Meridian, Pitkin
County, Colorado and lying entirely within the Riverside Placer MS 3905 AM and being more fully described as follows:
Beginning at a point on the Southerly bank of the Roaring Fork River, said point also being on Line 8-9 of said
RiversidePlacer, whence corner 9 of said Riverside Placer bears South 242.86 feet; thence North 249.19 feet along said line
8-9; thence East 125.00 feet; thence S 28°30'00" E 132.58 feet; thence S 15°13'00" W 137.22 feet to a point on the
centerline of said Roaring Fork River; thence West 2.54 feet along said centerline; thence S 89°53'46" W 149.71 feet to the
point of beginning.
30 MIL GEOMEMBRANE LINER BOLTED
TO EXISTING CONCRETE STEMWALL OR
BY PRE-APPROVED FASTENING METHOD
FILTER FABRIC; RE. TO TABLE A
FOR SPECIFICATIONS
8" MIN CDOT #3 OR #4
AGGREGATE OR APPROVED EQUAL
BRC LANDSCAPING; RE. TO
LANDSCAPE PLANS
PROPOSED POOL DECK, BY OTHERS.
RE: POOL DRAWINGS
2-FT TALL MAX. LANDSCAPE BOULDER
CONTAINMENT WALL, TYP. BRIDGE
BOULDER WALL OVER DRAIN PIPE; RE.
TO DETAIL THIS SHT.
4" PERFORATED RIGID PVC UNDERDRAIN @
0.5% SLOPE . CONTECH A200 OR APPROVED
EQUAL. TRANSITION TO SOLID PIPE PRIOR TO
EXITING LINED BASIN. INSTALL RODENT
SCREEN AT OUTFALL
4" PVC UNDERDRAIN TO DAYLIGHT
TO SURFACE ABOVE TOP OF SLOPE
SETBACK LINE. INSTALL RODENT
SCREEN AT OUTFALL
EXISTING LAWN, TYP.
BRC FINISHED GRADE. SEE PLAN VIEW
18" GROW MEDIA;
RE. TO SPEC THIS
SHT.
GEOMEMBRANE LINER; RE.
TO TABLE B FOR
SPECIFICATIONS
OPRIS ES NGINEERING, LLC.
CIVIL CONSULTANTS
31228.01JOB NO.
DATE:12-15-2021
502 MAIN STREET
CARBONDALE, CO 81623
(970) 704-0311
FAX: (970)-704-0313
DATE REVISION
C-2.0
DRAWING NO.
TITLE
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DETAILS
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MEMBER UTILITIES
FOR THE MARKING OF UNDERGROUND
BEFORE YOU DIG, GRADE, OR EXCAVATE
CALL 2-BUSINESS DAYS IN ADVANCE
Know what's below.
before you dig.Call
R
TABLE A: GEOTEXTILE SEPARATOR FABRIC SEPCIFICATIONS
RAIN GARDEN (BIO-RETENTION CELL) NOTES:
1.RAIN GARDENS SHALL BE INSTALLED IN ACCORDANCE WITH SECTION 8.5.3 OF THE CITY'S URBAN RUNOFF MANAGEMENT PLAN.
2.BIORETENTION GROW MEDIA SPECIFICATIONS (BY VOL.)
·PROVIDE, AS A MINIMUM, 18-INCH LAYER OF WELL MIXED SAND AND SOIL (70% SAND AND 30% COMBINATION OF
TOPSOIL AND LARGE ORGANIC MATTER BY VOLUME WITH LESS THAN 5% OF THE MIXED MEDIA PASSING THE 200 SEIVE).
·THE MEDIA MUST INFILTRATE AT LEAST 2IN/HR
·MAINTAIN TOP SURFACE FLAT
·MEDIA SHALL BE DELIVERED FULLY MIXED IN A DRUM MIXER UNLESS ONSITE MIXING MEANS AND METHODS ARE
APPROVED BY CITY ENGINEERING.
·MAINTAIN MAX. 3:1 SIDE SLOPES OR INSTALL SMALL BOULDERS/WALLS.
·GEOTECH SHALL CONFIRM PERMEABILITY OF EXISTING SUB GRADE TO CONFIRM WHETHER AN UNDERDRAIN IS REQUIRED.
·THE GROW MEDIA SHALL BE MOISTENED & LEVELED WITH LITTLE OR NO COMPACTION.
3.WRAP ALL SEPARATOR FABRIC TO TOE OF SOIL, ATTACHED FIRMLY TO TRENCH SIDES. (SEE TABLE FOR SPECIFICATIONS)
4.CONTRACTOR SHALL REMOVE EXISTING TOPSOIL AND UNDERLYING SOILS AND REPLACE WITH GROW MEDIA AND FILTER
MATERIAL AS ILLUSTRATED.
5.REMOVE & STOCKPILE TOPSOIL, SCARIFY BOTTOM OF EXCAVATION PRIOR TO PLACING SEPARATOR FABRIC.
6.CONTRACTOR TO PROTECT WATER QUALITY BASINS FROM SEDIMENT CONTAMINATION DURING CONSTRUCTION ACTIVITY.
SCALE: N.T.S.
BRC-1 TYPICAL DETAIL
CLASS C FILTER MATERIAL
SPECIFICATIONS
NOTES:
1.GEOMEMBRANE LINER ONLY REQUIRED WHEN AN
UNDERDRAIN IS REQUIRED FOR BIORETENTION CELLS.
2.INSTALL GEOMEMBRANE LINER FOR ENTIRE BIO-RETENTION
CELL AREA AND ATTACH TO CONCRETE AS ILLUSTRATED TO
ESTABLISH A COMPLETELY LINED BIO-RETENTION CELL.
3.PROVIDE SLACK IN LINER PLACEMENT TO ENSURE PROPER
INSTALLATION AND BACKFILL WITHOUT DAMAGE.
4.CORNER SEAMS TO BE WELDED IN FIELD
5.BACKFILL AND UNDERDRAIN SYSTEM NOT SHOWN; RE.
TYPICAL BIO-RETENTION CELL SECTION DETAIL
BUTYL TAC TAPE
1
4" x 2" STAINLESS STEEL OR
GALVANIZED STEEL BATTEN BAR
OR PRE-APPROVED EQUAL
3/8" x 3" STAINLESS STEEL
ANCHOR BOLT, NUT &
WASHER AT 12" O.C.
30 MIL (MIN.) PVC GEOMEMBRANE; EXTEND LINER UP SIDE
WALLS A MAX. OF 12-INCHES FROM BOTTOM ENSURING THAT
NO PORTION OF LINER OR BATTEN BAR IS EXPOSED AFTER
PLACING FILTER MATERIAL AND DECORATIVE AGGREGATE
POOL WALL
TOP OF GROW MEDIA
SCALE: N.T.S.
GEOMEMBRANE LINER TO CONCRETE CONNECTION DETAIL
6" MAX.
(1
2
"
MI
N
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)
2'
TO
3'
1/2H
(12" MIN)
FABRIC MATERIAL
(ANCHORED IN TRENCH)
H
SILT FENCE INSTALLATION
-NTS-
4"
4"
1/
2
H
H
(MAXI
M
U
M
)
-NTS-
FLOW
BACKFILL
TRENCH
JURISDICTION
NOTE:
POST ANCHORED TO
15'
SECTION
COMPACTED
4"x4"
OR AS DIRECTED BY LOCAL
LANDSCAPING IS COMPLETED,
SHALL BE MAINTAINED UNTIL
EROSION CONTROL MEASURES
SF
SILT FENCE DETAIL
FERNCO CLAMP OR APPROVED
EQUAL
EXAMPLE OF AN ANGLED
PIPE BOOT ON A SLOPE
TABLE B: GEOMEMBRANE LINER SPECIFICATIONS
BRC SUMARY TABLEBOND PIPE BOOT SKIRT TO
GEOMEMBRANE LINER PER
MANUFACTURER'S
RECOMMENDATIONS
PREFABRICATED OR FIELD
FABRICATED PIPE BOOT
EXTEND BOOT SUFFICIENT
TO INSTALL CLAMPS
SOLID GASKETTED SDR-35
UNDERDRAIN PIPE
PERFORATED
UNDERDRAIN PIPE
SEDIMENT CONTROL LOG INSTALLATION NOTES
SEDIMENT CONTROL LOG MAINTENANCE NOTES
A A
SECTION A - A
USE TWO STAKES 1 1/2 ' x 1 1/2 " x SUFFICIENT
LENGTH TO
EMBED AT LEAST 12" INTO SOIL AT EACH END OF
LOG
USE A STAKE EVERY 24" AT ALTERNATE 90 DEGREE
ORIENTATION THROUGHOUT THE SEDIMENTATION
LOG.
SEDIMENTATION LOG - 12" MIN. DIAMETER
STAKE AT 90 DEG.
TO EACH OTHER
WETLANDS OR FEATURES
REQUIRING PROTECTION
(NOT TO SCALE)
1.SEE PLAN VIEW FOR: LOCATION OF SEDIMENT CONTROL LOG.
2.SEDIMENT CONTROL LOGS SHALL BE INSTALLED PRIOR TO ANY
LAND DISTURBING ACTIVITIES.
3.SEDIMENT CONTROL LOGS SHALL CONSIST OF STRAW, COMPOST,
EXCELSIOR OR COCONUT FIBER.
4.NOT FOR USE IN CONCENTRATED FLOW AREAS.
5.THE SEDIMENT CONTROL LOGS SHALL BE TRENCHED INTO THE
GROUND A MINIMUM OF 2-INCHES.
1.THE SWMP MANAGER SHALL INSPECT SEDIMENT CONTROL LOGS DAILY, DURING AND AFTER
ANY STORM EVENT & MAKE REPAIRS OR CLEANOUT UPSTREAM SEDIMENT AS NECESSARY.
2.SEDIMENT ACCUMULATED UPSTREAM OF SEDIMENT CONTROL LOGS SHALL BE REMOVED
WHEN THE UPSTREAM DEPTH IS WITHIN 1
2 THE HEIGHT OF THE CREST OF LOG.
3.SEDIMENT CONTROL LOGS SHALL BE REMOVED AT THE END OF CONSTRUCTION, ONCE PROPER
VEGETATION HAS BEEN ESTABLISHED. IF ANY DISTURBED AREA EXISTS AFTER REMOVAL IT
SHALL BE COVERED WITH TOPSOIL AND REVEGETATED/STABILIZED IN A MANNER APPROVED BY
THE LOCAL JURISDICTION.
SEDIMENT CONTROL LOG
SCALE: N.T.S.
GEOMEMBRANE LINER PIPE PENETRATION DETAIL
SCH. 80 SOLID DRAIN PIPE W/
RODENT SCREEN AT OUTFALL
8" MIN.
BRIDGE BOULDERS OVER STORM PIPE
TO PREVENT CRUSHING. DO NOT PLACE
BOULDERS DIRECTLY ON TOP OF PIPE.
PIPE BEDDING
FINISHED GRADE
SCALE: N.T.S.
BOULDER WALL BRIDGE DETAIL