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CIVIL CONSULTANTS
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502 MAIN STREET
CARBONDALE, CO 81623
(970) 704-0311
FAX: (970)-704-0313
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HOUSE .,
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DESIGNED BY
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PARCEL B "`• \�,
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HWY 6
DRAWN BY
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CHECKED BY
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--� ---/ \---_-� / / , / -, / /' / \\ �� �� JDATE:
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/ COLORADORIVER
03-24-2020
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_ - _ - - - - - - - - / / \ P OPE�2TY LINFS - /
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JOB NO. 19137
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�- 58007
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LOCATION MAP:
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I SCALE:1"=500'
MMMEWG, LLC
iLENWOOD, COLORADO
PERMIT SET
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EROSION CONTROL NOTES:
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LOD LOD
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/ 1. CONTRACTOR MUST UTILIZE "BEST MANAGEMENT PRACTICES"(BMP), TO CONTROL EROSION AND
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SEDIMENTATION DURING CONSTRUCTION.
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I 2. CONTRACTOR IS RESPONSIBLE FOR INSTALLATION AND MAINTENANCE OF ALL TEMPORARY EROSION
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CONTROL MEASURES.
I 3. DUST CAUSED BY DEMOLITION, EXCAVATION, TOPSOIL REMOVAL OPERATIONS, OR ROAD BASE PLACEMENT
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, SHALL BE CONTROLLED BY THE CONTRACTOR AT HIS EXPENSE. THE ENGINEER OR CITY MAY REQUIRE THE
CONTRACTOR AT ANY TIME TO DISCONTINUE CONSTRUCTION ACTIVITIES UNTIL DUST CONDITIONS ARE
REDUCED TO THE COUNTY'S SATISFACTION.
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�_ _ / / / PARKING & MATERIAL STORAGE
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4. BMP'S SHALL BE INSTALLED BEFORE ANY EARTH DISTURBING AND/OR DEMOLITION ACTIVITIES COMMENCE.
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5. STORMWATER DISCHARGES FROM CONSTRUCTION ACTIVITIES SHALL NOT CAUSE, HAVE THE REASONABLE
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6. SEDIMENT CAUSED BY ACCELERATED SOIL EROSION SHALL BE REMOVED FROM RUNOFF WATER BEFORE IT
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LEAVES THE CONSTRUCTION SITE.
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7. BULK STORAGE STRUCTURES FOR PETROLEUM PRODUCTS AND ANY OTHER CHEMICALS SHALL HAVE
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SECONDARY CONTAINMENT OR EQUIVALENT PROTECTION TO CONTAIN ALL SPILLS AND PREVENT ANY
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SPILLED MATERIAL FROM ENTERING STATE WATERS.
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HIGHWAY 6
I_ _ 8. THE EROSION CONTROL PLAN SHALL BE CONTINUOUSLY UPDATED TO REFLECT NEW OR REVISED BEST
MANAGEMENT PRACTICES (BMP'S) DUE TO CHANGES IN DESIGN, CONSTRUCTION, OPERATION, OR
o - _ MAINTENANCE OF THE CONSTRUCTION SITE. UPDATES MUST BE MADE WITHIN 72 HOURS FOLLOWING THE
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PROPOSED BERM --so - -- -_
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�- 9. THE CONTRACTOR SHALL INSPECT THE CONSTRUCTION SITE (INCLUDING ALL BMP'S, STORAGE
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__ _ - ' - - �_ _ _ _ - CONTAINERS, AND CONSTRUCTION EQUIPMENT) A MINIMUM OF EVERY 14 CALENDAR DAYS AND WITHIN 24
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HOURS AFTER A PRECIPITATION EVENT OR SNOW MELT THAT MAY CAUSE SURFACE EROSION.
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\ -) 10. THE CONTRACTOR SHALL KEEP A RECORD OF ALL INSPECTIONS ON SITE AND AVAILABLE FOR REVIEW BY
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o_ �r _ r `� COUNTY STAFF. INSPECTION REPORTS MUST IDENTIFY ANY INCIDENTS OF NON-COMPLIANCE WITH THE
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- - ���- _ - _ - _ = -_ _ _ - - - - - - / / 11. STRAW BALES SHALL NOT BE USED FOR PRIMARY EROSION OR SEDIMENT CONTROL (I.E. STRAW BALES MAY
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N - - - - - - _ _ - / / BE USED FOR REINFORCEMENT BEHIND ANOTHER BMP SUCH AS SILT FENCE).
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/ 12. BMP'S INTENDED FOR SHEET FLOW SEDIMENT RUNOFF SHALL BE PLACED PARALLEL TO THE SLOPE.
- / 13. ALL BMP'S SHALL BE CLEANED WHEN SEDIMENT LEVELS ACCUMULATE TO HALF THE DESIGN OF THE BMP
_/ UNLESS OTHERWISE SPECIFIED.
-- V
_ _ - / // - 14. A VEHICLE TRACKING PAD (VTP) AND/OR STABILIZED STAGING AREAS SHALL BE PLACED AT ALL EXITS FROM
_ - // THE SITE TO PREVENT TRACK -OUT ONTO CITY STREETS. IF TRACK -OUT DOES OCCUR, THE CONTRACTOR
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_ / -- /V /V V// SHALL IMMEDIATELY SWEEP THE STREET OF DEBRIS.
- - -= -� V % -%/ - -/ ; j 15. ALL PORTA-POTTY STRUCTURES MUST BE FIRMLY SECURED WITH #4 REBAR ANCHORS OR EQUAL. MUST BE
_= _ _ = �� i / J - �� / / j PLACED AWAY FROM FLOW LINES OF STREET, SWALES, RAIN GARDENS & AWAY FROM INLETS.
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- - % %' �/ ,'- i 16. STOCKPILES OF SOIL OR OTHER ERODABLE MATERIALS MUST BE MANAGED SO THAT STORMWATER DOES
__--_- / ice / / / -/ /
, - - - - / i - - / / NOT COME IN CONTACT WITH THE PILE AND POTENTIALLY WASH POLLUTANTS OFFSITE. AT A MINIMUM
- - - -_� �� - - -- -/ / i /� STOCKPILES SHALL BE ROUTINELY WETTED AND/OR BLANKETED AS WELL AS INCLUDE AN EROSION SOCK
-' %' - / �/ / PERIMETER BARRIER TO PREVENT WIND EROSION AND SEDIMENT TRANSPORT OFFSITE. STOCKPILES THAT
V V ', -- -' - V // ARE INACTIVE FOR MORE THAN 7 DAYS WILL REQUIRE SOIL BINDER OR HAVE MUCLH/MULCH TACKIFIER
_
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\ I , - - - // / // ( ,/ - -� - _� i ;; _ �' -' - - ; , - , V -' 17. EROSION CONTROL BLANKETS SHALL BE INSTALLED ON ALL SLOPES EXCEEDING 3:1.
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BERM GRADING NOTES:
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40
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GRAPHIC
0 20 40
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SCALE
80 160
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1. EXISTING CONTOURS ILLUSTRATED HEREIN ARE AT 2 FT INTERVAL, BASED ON AERIAL TOPOGRAPHY.
2. PROPOSED CONTOURS ARE AT 2 FT INTERVALS.
3. BERM GRADING PROVIDES GENERAL DIRECTION FOR THE CONTRACTOR. SLOPES AS LABELED SHALL BE
I- MAINTAINED. CONTRACTOR SHALL INSTALL BERM AND COMPACT ACCORDING TO GEOTECHNICAL ENGINEER'S
DIRECTION. REVEGETATION SHALL OCCUR IMMEDIATELY AFTER BERM GRADING IS COMPLETE.
zo
DATE
REVISION
( IN FEET) 4. BERM VOLUME = 15,000 C.Y.±. NO CUT/FILL EXPANSION FACTOR HAS BEEN APPLIED.
1 inch = 40 ft.
PROPOSED LEGEND 5. THE UTILITIES AS SHOWN, MAY NOT REPRESENT ACTUAL FIELD CONDITIONS. IT IS THE RESPONSIBILITY OF
A A THE CONTRACTOR TO CONTACT ALL UTILITY COMPANIES FOR FIELD LOCATIONS OF UTILITIES PRIOR TO
PROPOSED CONTOUR CONSTRUCTION.
15'
7900 PROPOSED CONTOUR INTERVAL
MAXMUNj) REVEGETATION NOTES:
EXISTING CONTOUR
SEDIMENT CONTROL LOG INSTALLATION NOTES ��
NOTE:
POST ANCHORED TO
0
SEDIMENTATION LOG - 12" MIN. DIAMETER
1. SEE PLAN VIEW FOR: LOCATION OF SEDIMENT CONTROL LOG.
SILT
EROSION CONTROL MEASURES
FABRIC MATERIAL 6600 EXISTING CONTOUR INTERVAL 1. ALL REVEGETATION WORK PERFORMED SHALL FOLORO REQUIREMENTS NOTED BELOW.
(ANCHORED IN TRENCH)
OF CUT/FILL SLOPES SHALL OCCUR
2. SEDIMENT CONTROL LOGS SHALL BE INSTALLED PRIOR TO ANY
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F
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SHALL BE MAINTAINED UNTIL
LOD LIMIT OF DISTURBANCE REVEGETATION ALL DISTURBED AREAS AND IMMEDIATELY AFTER
USE A STAKE EVERY 24" AT ALTERNATE LAND DISTURBING ACTIVITIES.
m
�i���i-•o. LANDSCAPING IS COMPLETED,
GRADING INSTALLATION IS COMPLETED.
90 DEGREE ORIENTATION THROUGHOUT 2II
3. SEDIMENT CONTROL LOGS SHALL CONSIST OF STRAW,
THE SEDIMENTATION LOG. COMPOST, EXCELSIOR OR COCONUT FIBER.
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OR AS DIRECTED BY LOCAL
JURISDICTION
SF SILT FENCE
2•0% PROPOSED SLOPE
4"x4"
4. NOT FOR USE IN CONCENTRATED FLOW AREAS.
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TRENCH 2. DISTURBED AREAS INCLUDING CUT/FILL SLOPES, STAGING AREAS, SHALL BE REVEGETATED WITH A
5. THE SEDIMENT CONTROL LOGS SHALL BE TRENCHED INTO THE
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3" (MINUS) ROCK,
FG:6800.00' -+ PROPOSED SPOT ELEVATION
NON -IRRIGATED SEED MIX. CONTRACTOR SHALL PROVIDE THE SEED MIX SUBMITTAL FOR REVIEW AND
GROUND A MINIMUM OF 2-INCHES.
w, •,.,i�,y.�,�.�
COMPACTED
OR RECYCLED
USE TWO STAKES 1 1/2' x 1 1/2 " x SUFFICIENT w • , w, w
SEDIMENT CONTROL LOG MAINTENANCE NOTES ,w , w
`
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_ BACKFILL
CONCRETE
12' MIN.
APPROVAL BY THE ENGINEER OF RECORD AND GARFIELD COUNTY PRIOR TO CONSTRUCTION.
EXISTING LEGEND
LENGTH TO EMBED AT LEAST 12" INTO SOIL w w w W I
1. THE SWMP MANAGER SHALL INSPECT SEDIMENT CONTROL LOGS
w /�
FLOW
0
, w , , w
AT EACH END LOG w
w• w
` REVEGETATION REQUIREMENTS - SEEDING
OF
DAILY, DURING AND AFTER ANY STORM EVENT & MAKE REPAIRS
OR CLEANOUT UPSTREAM SEDIMENT AS NECESSARY.
w W • w 1 /'
r Vr�r
Iw '
=
z
, 6" OF ROCK - - EXISTING PROPERTY LINE
* ALL SEED MUST BE CERTIFIED WEED FREE. NO SEED CAN CONTAIN ANY SPECIES ON
TAKE AT 90 DEG. 2. SEDIMENT ACCUMULATED UPSTREAM OF SEDIMENT CONTROL
.,
d
1/2H
_. MIN)
EXISTING CONTOUR
+ + + • . 1 + + + THE COUNTY OR STATE NOXIOUS WEED LISTS:
TO EACH OTHER LOGS SHALL BE REMOVED WHEN THE UPSTREAM DEPTH IS
�1
(12"
++++++++ BASE COURSE +++++++ 7900 EXISTING CONTOUR INTERVAL
. y. y . y. *
WITHIN z THE HEIGHT OF THE CREST OF LOG.
A VIABLE SEEDBED MUST BE PREPARED BY EITHER DISKING OR HAND RAKING.
3. SEDIMENT CONTROL LOGS SHALL BE REMOVED AT THE END OF
I
W EXISTING WATER UTILITY
* PURITY TAGS MUST BE SUBMITTED TO COUNTY STAFF PRIOR TO INSTALLATION.
TITLE
FEATURES REQUIRING CONSTRUCTION, ONCE PROPER VEGETATION HAS BEEN ss EXISTING SANITARY SEWER
PROTECTION •SECTION * A SEED DRILL SHOULD BE USED ON SLOPES THAT ARE LESS THAN 2:1, AND THE DRILL
MIRAFI
BERM GRADING
° , ESTABLISHED. IF ANY DISTURBED AREA EXISTS AFTER REMOVAL 5F EX UE EX UE EXISTING ELECTRIC
SILT FENCE INSTALLATION Nrs- EXISTING
° ° , IT SHALL BE COVERED WITH TOPSOIL AND FABRIC TUBE SPACING SHOULD BE 6-7 INCHES SEED INTO THE SOIL.
° o RIN A MANNER APPROVED BY THE -NTS-GRADE GGG EXISTING GAS
° ° REVEGETATED/STABILIZED
EVELLOCAL JURISDICTION. SILT FENCE DETAIL * SEEDING RATE: IF A SEED DRILL IS USED, 6-10 PLS/ACRE. OTHERWISE, 8-12 PLS/ACRE. \�/
PLAN
- T T T - EXISTING TELEPHONE * ON SLOPES THAT ARE GREATER THAN 2:1 WHERE DRILLING THE SEED IS NOT
(NOT TO SCALE)
cry EXISTING CABLE PRACTICAL, HAND RAKING IS REQUIRED TO INCORPORATE THE SEED ONTO THE SOIL.
n1111111111111111111111111111111111111111111 EXISTING CULVERT * A PLANTAGO-BASED TACKIFIER OR SIMILAR, APPROVED PRODUCT MUST BE APPLIED ON below.
Know what's
SECTION A - A ALL MULCH AT THE RATE OF 150 LBS. PER ACRE TO PREVENT WIND FROM BLOWING Call beforeyou dig.DRAWING
NO.
VEHICLE TRACKING CONTROL STRAW OFF THE REVEGETATED AREAS.
SEDIMENT CONTROL LOG N.T.S. CALL DAYSADVANCE
1^
s.0
SCL * THE SITE MUST BE MULCHED WITH WEED -FREE MULCH AFTER PLANTING. MULCH BEFOREY
v-
(NOT TO SCALE) SHOULD BE APPLIED AT THE RATE OF 2 TONS PER ACRE. FOR THE MARKING OF UNDERGROUND
MEMBER UTILITIES