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CALL : 1.80&922- 1987 FOR LOGAIxDIS TIOERGR!rc
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NOTE EK8'ING UNDERGRONIOMffR}CEU*TESAIO
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ADD 55OOTOALL SPOT ELEVANONS,
SPOT ELEVATIONS REPRESENT THE TOP OF PAVEMENT
SLAB ELEVATION,
2, UPON SIGNINO BENESCH'S ELECTRONIC DISCLAIMER
DOCUMENT. THE ELECTRONIC CAD FILE WLL BE GIVEN
TOTHE CONTMCTORATTHE TIIVE OF CONSTRUCTION
FOR USE IN OBTAINING THE ENCT LOCATION OF THE
JOINTS & GMDES,
3. ALL NON.CONNNUOUS CONCRETE POURS SHALL BE
JOINED TO THE ABUTTING CONCRETE WITH A
DOWELED CONSTRUCTION JOINI.
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NOTE:
" I\,IUST EXTEND THE FULL W|DIH AND LENGTH OF THE
CONSTRUCTION ENTRANCE
NOTES
1. THE SWPPP INFORMATION SIGN IVUST BE LOCATED
NEAR THE ENTRANCE/EXIT OF THE SITE, SUCH THAT IT
IS ACCESSIBLEMIEWABLE BY THE GENERAL PUBLIC,
BUT NOT OBSTRUCTING VIEWS AS TO CAUSE A PUBLIC
SAFETY HAZARD
2. ALL POSTED DOCUIVENTS MUST BE IVAINTAINED IN A
CLEARLY READABLE CONDITION AT ALL TII\4ES
THROUGHOUT CONSTRUCTION AND UNTIL THE
NOTICE.OF TERMINATION (NOT) IS FILED FOR THE
PERMIT.
3. CONTRACTOR SHALL POST OTHER STORM WATER
AND/OR EROSION AND SEDIIVENT CONTROL RELATED
PERMITS ON THE SIGN AS REQUIRED BY THE LOCAL
AGENCY,
4. SIGN SHALL BE LOCATED OUTSIDE OF PUBLIC
RIGHT-OF-WAY AND EASEMENTS UNLESS APPROVED BY
THE GOVERNING AGENCY,
5, CONTRACTOR IS RESPONSIBLE FOR ENSURING
STABILITY OF THIS SWPPP INFORMATION SIGN.
'SWPPP INFORMATION" MUST BE
DISPLAYED PROMINENTLY
ACROSS THE TOP OF THE SIGN,
AS SHOWN IN THE OETAIL
THE 24'-0" WIDTH IS REQUIRED WHEN THE INGRESS AND
THE EGRESS ARE THE SAME
70'-0'
SIDE VIEW
70'-0'
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PLAN VIEW
12!0'MtNil\rUM
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SPECIFIED BMF INSTALLATION REMOVAL
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CONCRETE WASHOUT AREA
SILT FENCE
BEFORE BEGINNING SRTH
MOVING ACTIVITIES
BEFORE BEGINNING EARTH
MOVING ACTIVITIES
REPUCE AGGREGATE AS 70% VEGETATIVE COVER ONNEEDEO SITE
REII/OVE CONCRETE WASTE COMPLETION OF CONCRETE
AT % FULL WORK
REPAR WASHOUTS, 70% VEGETAIIVE COVER
DOWNED FABRIC, AND ON UPSTREAM AREAS
REMOVE SEDIMENT WHEN
DEPIH IS %THE HEIGHT OF
THE FABRIC
IMMEOIATELY FOLLOWNG
CLEARING AND GRUBBING
AROUND PERIMETER
DIICH CHECK
TEMPOMRY SEEDING
IMMEDIATELY FOLLOWNG
CLEARING AND GRUBBING
REMOVE SEOIMENT
BUILDUP WHICH WLL
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UPSTREAM AREAS
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MAJOR GMDING AND
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CONTROL PRACTICES
RE.SEED AREAS WHICH FAil
TO ESTABLISH VEGETATIVE
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ENSURE GOOD STAND IS
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INLET PROTECTION
PERMANENT SEEDING
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FINISHED GRADING AND
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MULCHING CONCURRENTLYWTH
SEEDING
INSPECT FOR EROSION,
ADD MULCH AS NECSSARY
UNTIL GMSSES ARE
FIRIVLY ESTAALISHEO
INSPECT FOR EROSIONi FILL
VOIDSWIH SOIL AND
REPTACE MAfrING
EROSION CONTROL MAfrING CONCURRENTLY WTH
PERMANENT SEEDING
SWPPP INFORMATI0N --_._
( CONTRACTOR NAIVE)
( CONTRACTOR CONTACT NAMD
( CONTRACTOR CONTACT CELL PHONE NUMBER)
( DETAILED DESCRIPTION OF THE LOCATION
OF THE SWPPP DOCUI\4ENTATION
BINDER AND SITE MAP ON SITB
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EXISTING GROUND
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THE PREPARED SUBGRADE SHALL CONFORM TO THE
MOISTURE CONTENT ANO COMPACTION REQUIREMENTS
PRESENTED THE PROJECT GEOTECHNICAL REPORT,
'GEOTECHNICAL EVALUATION, ATLANTIC AVIATION. RIFLE
HANGAR'' PREPARED BY GROUND ENGINEERING DATED
9/28i2022, PRIOR TO PLACING CONTROLLED EARTH FILL ON
THE EXISTING GROUND SUBGRADE, THE SUBGRADE SHALL BE
PROOFROLLED WITH A LOADED DUMP TRUCK OR SII\4ILAR
PIECE OF EOUIPMENT TO LOCATE ANY UNSTABLE SOILS. ANY
UNSTABLE SOILS SHALL BE EITHER REMOVED AND REPLACED
WITH PROPERLY PLACED EARTH FILL OR REWORKED TO
CONFORM TO THE IVOISTURE CONTENT AND COMPACTION
REQUIREI\4ENTS PRESENTED ABOVE.
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STRIP THE UPPER 6' OF MATERIAL IN AL AREAS TO
8E OISTURAED,
2, UNDERCUT 4' IN CUT AREAS IN AREAS TO RECEIVE
TOPSOIL, PLACE 4' OF TOPSOIL IN ALL DISTURBED
AREAS THATARE NOT BEING PAVEO.
3, SEE THE PROJECT GEOTECHNICAL REPORT,
'GEOTECHNICAL EVALUATION. ATLANTIC AVNNON
RIFLE HANGAR'PREPARED BY GROUND
ENGINEERING DAIED 9/28/2022 FOR SOIL
REQUIREMENTS INCLUDING MOISTURE,
COMPACTION, SUITABILITY. PREPAMTION, ETC,
4. SEE SHEET PAVEMENT frPICru SECTIONS FOR
LIMITS / DEPTHS OF OVEREXCAVATION AND
AGGREGATE BASE COURSE(S) REOUIRED,
5. SIDE SLOPES FOR THE FINAL GruE SHALL NOT
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LOCATION STRIPPING(c.Y.)
UNCLASSIFIED
EXCAVATION(c.Y.)TOTAL EXCAVATION
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EXCAVATION
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REPUCE / REWORK
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VOLUME INCLUDES
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3, INSPECTIONSi
ALL SEDIMENTANO EROSION CONTROL PMCTICES SHALL BE
INSPECTED, BYTHE RESPONSIBLE CONTMCTOR, ANO RECORDED
ACCOROINGLYAT LEASTONCE EVERY FOURTEEN (14) CALENDAR
DAYS AND WTHIN A 24.HOURPERIOD AilERTHE END OF ASTORM
EVENT OF 0.5 INCHES OR GREATER, ANY NECESSARY REPARS OR
CLEANUP TO MANTAN THE EFFECTIVENESS OF THE BEST
MANAGEIVENT PMCTICES SHALL BE MADE IMMEDIATELY, ANY
DEHY IN THE REPUCEMENT OR MANTENANCE OF
NONFUNCTIONI EROSION CONTROL MASURES BEYOND SEVEN
(?) CALENDAR DAYS SHALL BE DOCUIVENTED WITH SUFFICIENT
DETAIL AS TO EXPLAIN THE REASON FOR THE OELAY, THF
CONTRACTOR WILL BE RESPONSIBLE FOR KEPING INSPECTION
REPORTSTHROUGHOUTTHE PROJECT EACH TIME AN INSPECTION
OF EROSION CONTROL MEASURES IS WffiRNTED, REPORTS
SHALL BE TURNED OVERTOTHE OWNERAT THE COIVPLETION OF
THE PROJECT FORTHEIR RETENTION FORTHETHREE {3) YEffiS
PERIOD FROM THE DATE OFTHE PERMITTERMINATION,
INSPECTION FREQUENCY MAY BE REDUCED TOAT LEAST ONCE
EVERY MONTH IF: 1) THE ENTIRE SITE IS TEIVPORARILY STABILIZED:
OR 2) RUNOFF IS UNLIKELY DUE TO WNTER CONDITIONS (I.E, SIIE
lS COVERED WTH SNOW, lCE, OR GROUND lS FROZEN); OR 3)
CONSTRUCTION IS OCCURRING DURING SEASONALARIO PERIOD IN
ARID AREASAND SEMI.ARIO AREAS,
1, PROJECT SCOPE/DESCRPTIONI
CONSTRUCTION OF AARCMN HANGRWTH ASSOCIATED
SERVICE UTILITIES AND CONCRETE PAVEMENTTO SERVE THE
HANGAR. THE FACILITY IS FORATLANNC AVIATION AND IS LOCATED
ATTHE GARFIELD COUNTY REGIONAL AIRPORT IN RIFLE,
COLOMDO. WORK INCLUDES EARTHWORK, PAVING. STORM
DMNS, SERVICE UTILITIES, TOPSOILING, SEEDING, FERNTIZING,
IVULCHING. STMWWAfrLES /SILT FENCE, AND DUST CONTROL
2. PERMIT COMPLIANCE:
UNLESS OTHERWSE SPECIFIED, ALLVEGITATIVE AND STRUCTURAL
EROSION AND SEDIMENT CONTROL PMCTICES AND STORM WATER
MANAGEMENT PMCTrcES SHIL BE CONSTRUCTED AND. MAINTAINED ACCORDING TO THE REOUIREMENTS OF THE STATE OF
COLOMO, GARFIELD COUNTY COLOMDO, AND THESE PROJECT
DOCUMENTS, CONTRACTOR IS RESPONSIBLETO COMPLY WTH ALL
fPLICffiLE AEST MNAGEMENT EROSION CONTROL PRACTICES,
4. INSPECTORS:
INSPECTIONS SHALL BE CONDUCTED BYA"RESPONSBLE PERSON'
THE DESIGNEE SHALL HAVEAUTHORIZATION TO SIGN ANY
REPORTS AND OTHER DOCUMENTS.
5, GffiDING AREASOIL DISIURBANCE SITEj
APPROXIMATE DISTURBED AREA. 1.0 ACRES
APPROXMATE PRE.CONSTRUCTION IMPERVIOUS ffiEA. 0,1 ACRES
APPROXIMATE POST.CONSIRUCTION IMPERVIOUS AREA. 0,5
ACRES
APPROXMATE POST.CONSTRUCTION PERVIOUS AREA" 0.5 ACRES
MAXMUM PROPOSED SIDE SLOPE .4 HORIZONTAL: 1 VERTICAL
6. SEEDING/GMSS COVER:
SEEDING, FERTILIZING, MULCHING, AND ASSOCIATEO WORK IS
INCLUDED WTH THIS PROJECT, SEEDING AND MULCHING
ACTIVITIES SHALL BE COMPLETED AS SOON AS GMDING
OPEMTIONS ALOW. SEED, MULCH, AND FERTILIZE AREAS AS
SHOWN AND DISTURBED BY CONSTRUCTION. CONTMCTOR SHAL
OBTAIN APPROVAL FROM OWNERS REPRESENTATIVE ON FINAL
SEED MIXAND AMOUNT PRIORTO ORDETilNG. REFER TO
CONTfuCT SPECIFICATIONS FOR MOIONA INFORMATION FOR
SEED MIX. MULCH, AND FERTILEER REOUIREMENTS.
7. SILT FENCEI
SILT FENCE SHALL AE PLACE ON ALL RUN"OFF SIDES OF
STOCKPILESAND AS DETAILED ON THIS PLAN.
8, DUSTCONTROL:
WATER GMVEL HAUL ROUTES/GRADING AREAS AS REOUIRED TO
ELIMINATE EXCESSIVE DUSTAS DIRECTED BY THE
OWNERENGINEER. ALL REQUESTS SHALL 8E COMPLETED
IMMEDIATELY BY CONTMCTOR.
g. HAUL ROUTES:
EXSTING PAVED ROAD WLL BE UTILIZED TO ACCESSTHE STAGING
AREAAND THE CONSTRUCTION SITE, ADDITIONAL HAUL ROUTES
UTILIZED WLL BE WATERED AS REOUIRED TO LIMIT DUST.
10, EROSION CONTROL DUMTIONi
ALL EROSION CONMOLMEASURES SHALL BE KEPT IN PLACE UNTIL
THE SITE IS STSILIZED.
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NOTE A: TEMPOMRY COVER
CROP SEEDING SH&L BE
PUCED AS DIRECTED AYTHE
OWNER/ ENGINEER.
EXoAVATIoNT 3,370 cY
EMBANKIMENT: 3,345 CY
(INCLUDES 3,010 CY OF EARTH F|LL &
335 CY OF AGGREGATE FILL)
SEE SHEET C3.1 1 FOR COMPLETE
EARTHWORK SUMMARY TABLE.
AND CONTMCTOR AT THE TIME OF CONSTRUCTION c4,01
4O'MINIMUM FENCE
POST LENGTH
( STEEL 'T' POST)
610' MAXII\4UIVl CENTER TO CENTER
PNSlC
'ZIP'TIES
CLOTH
EMBED GEOTEXTILE
610'
FENCE POST SECTION
MINIMUM 24" ABOVE
GROUND
SLOPE DIRECTION
ul,
GROUND
NOTE:METHODS OF SILT FENCE INSTALI.ATION
J - HOOKS OR'StV|LES'
ARE PREFEMBLE TO
LINEAR INSTALLATION
6'.0'
LOCATE FENCE 6'
FROM TOE OF SLOPE
TO ALLOW PONDING
1'-4',
4"
TRENCHING METHOD
ROLL OF SILI FENCE
STATIC SLICING METHOD
BACK VIEW
V TRACTOR OPERATION
ROLL OF SILT FENCE
FABRIC ABOVE
GROUND
HORIZONTAL 12"
CHISEL POINT
llll 1lI
SLICING BLADE
STATIC SLICING METHOD
SIDE VIEW
k
FABRIC
POST
A MINIMUM OF 8'
VERTICALLY INTO
THE GROUND
FENCE POST DRIVEN A
MINUI\,IUM OF,16" INTO
THE GROUND
SEDIMENT CONTROL LOG SHALL BE AN
EROSIONEEL BY ACF INTERNATIONAL,
ORAN APPROVED EOUAL, THE
SEDIMENT CONTROL LOG SHALL BE
SECURED IN PLACE WITH SANDBAGS
EVERY 10, THE SEOIMENT CONTROL
LOGS SHALL BE PLACED SUCH THAT
DRAINAGE WILL NOT BE BACKED UP
INTO ADJACENT PROPERTIES.
T.POST
WITH ATTACHMENT
IMIN.
FROM TOE OF SLOPE
TO POST
NOTTO SCALE
CROSS SECTION
NOTTO SCALE
SILT FENCE PLACEMENT/ONE SLOPE
INSTALLATION WITH J-HOOKS OR'SMILES'INCREASE SILT FENCE
EFFICIENCY.
SLOPE DIRECTION
Jr
SLOPE DIRECTION
J]
SEDIMENT CONTROL LOG
DETAILS & EXAMPLES
( EROSIONEEL BY ACF, OR
APPROVED EOUAIJ
NOT IO SCATE
STFPl.CONSIRUCTLEG STFP 2. CONSTRUCI DAM
SIEP 2. CONSTRUCT SIDE 2
STEP 3 - CONSTRUCT LEG 2
SILT FENCE PLACEMENT/TWO SLOPES
INSTALLATION WTH J.HOOKS WLL INCREASE SILT FENCE EFFICIENCY AND
REDUCE EROSION.CAUSING FAILURES.
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2 SLOPE DIRECTIONS
-++VALLEY
"'5il:'
VALLEY J
2 SLOPE DIRECTIONS
--*+ +
VALLEY
DAIII
l1
:M
STEPl.CONSTRUCTADAM
SILT FENCE PLACEMENT/PERIMETER CONTROL
STEP 3. CONSTRUCT J.HOOKS
AS NEEDED
1 ACRE \E
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0.3
.eel
or'" j
SLOPE DIRECTIONil
INCORRECT- DO NOT UYOUT
'PERIMETER CONTROL'SILT
FENCES ALONG PROPERTY
LINES, ALL SEDIMENT LADEN
RUNOFF WLL CONCENTRATE AND
OVERWHELM THE SYSTEM.
CORRECT, INSTALL J.HOOKS CORRECT. INSTALL J.HOOKS DISCREET SEGMENTS OF SILT
FENCE,INSTALED WTH
J.HOOKS OR SMILES'WLL BE
MUCH MORE EFFECTIVE.
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Rifle. cO
Approv.d By I D.awn By
FlankDdand I NLH
Tr.lonlc P.oled N,nbdr
202199
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