-
From: David GormanTo: "[email protected]"Cc:
"[email protected]"; "[email protected]";
"[email protected]"Subject: NOI - Monument Small Engine
Storage - water quality sand filter basinDate: Tuesday, October 15,
2019 2:40:00 PMAttachments: 61092 NJD-NOI package.pdf
John, We are providing the attached NOI package for a non-jurisdictional storm detention/water qualitypond in northern El Paso County. If there is anything else needed for this notification, please let meknow. Thank you. Dave David R. Gorman, P.E.M.V.E., Inc.1903 Lelaray St, Ste 200Colorado Springs, CO 80909Ph 719.635.5736
mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]
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EXIS
T 12
" CM
P
RR TIE RETAINING WALL
RR T
IE R
ETA
ININ
G W
ALL
6955
6965
6965
6965
RR TIE RETAINING WALL
RR TIE RETAINING WALL
6955
6965
6955
6965
EXISTING
RESIDENCE
6960
6945
6960
6970
6970
6970
6970
6960
6970
6960
76 GA
TE
SAND FILTER BASIN
74.0 INV75.6 CRESTEMERGENCY
SPILLWAY72
74
EX 6' OPAQUEWOOD FENCE
EX 6' OPAQUEWOOD FENCE
EX LEACH FIELD
GARAGE D
TO REMAIN
STORAGE SHE
D C
TO BE REMOVE
D
SHOP B
TO BE REMOVE
D
GARAGE A
TO BEREMO
VED
EXISTING
RESIDENCE
EXISTING
SHED
EXLANDSCAPEAREA
EX L
AN
DSC
APE
ARE
A
EX SEPTIC TANK PERMITNO. 0024327
EX WELLPERMITNO.284289
N 7
0°03
'47"
W
40
0.08
'
N 16°32'53" E 510.12'
S 01°54'38" E 632.84'
TOWN OF MONUMENT
EL PASO COUNTY
TOW
N O
F M
ON
UMEN
T
20' ACCESS ESMT(REC# 207086150)
20' ACCESS
ESMT
(REC# 2070
86149)
(711
5100
009)
(7115100033)
Mt. Herman RV StorageSubdivision
(Rec No. 215713570)
Not Platted
Not
Pla
tted
Not
Pla
tted
El P
aso
Cou
nty
GARAGE
EASEMEN
T
(REC# 20
7086147)
EX 6' OPAQUEWOOD FENCE
N 8
8°05
'39"
E
209
.80'
(210
')
RV PARKINGRECYCLED ASPHALT
SURFACE
EX GRAVEL
DRIVE
EX 6' OPAQUEWOOD FENCE
(711
5100
032)
(7115106002)
FF=6974.4'
PROPOSED 6'WOOD FENCE
EXISTING RV PARKINGRECYCLED ASPHALT
SURFACE
PRO
POSE
D 6
'W
OO
D F
ENC
ELA
ND
SCA
PEA
REA
PROPOSED
SHOP
5,000 SF.
EXIS
TING
GA
TE
LAN
DSC
APE
ARE
A
57 5859 60
61
61 6059
15' WIDEOVERFLOWSPILLWAY
WQ POND DP 2BTM=58.5, TOP=60.0
PIPE OUT=55.85'
32 LF 12" HDPE (ADS N12 ORAPPROVED ALTERNATE) @ 3.0%
12" HDPE FESINV = 54.90
1.7%
SWALE A - NO RIPRAP(SEE DETAIL)
SWALE C(SEE DETAIL)
4% 545352
Entry
51
50
5049.5
80 LF 8" HDPE (ADS N12 ORAPPROVED ALTERNATE) w/
FES @ 1.9%
8" HDPE FESINV = 70.5
8" HDPE FESINV = 69.0
SWALE A(SEE DETAIL)
SWALE B(SEE DETAIL)
74.0
73.6
73.074.0
74.3
74.3
73
71
75
74
73
72
71
70
66
65
PROPOSED 6'WOOD FENCE
PROPOSED 6'WOOD FENCE
PROPOSED RV PARKINGRECYCLED ASPHALT
SURFACE TW=74.0FG/FW=71.0
TW=73.5FG/FW=71.0TW=73.5
FG/FW=71.0
TW=73.5FG/FW=71.0
8" 45° BENDINV = 69.9
74.4
74.4
74.4
74.4
SPREADINGDEPRESSION(SEE DETAIL)
BEGINSWALE B
0
1" = 30' 1:360
6030105
MAP NOTES1. THE EXISTING TOPOGRAPHY SHOWN ON THIS PLAN WAS
PREPARED BY MVE, INC.
2. ALL EXISTING UNDERGROUND UTILITIES SHOWN ON THIS MAP ARE FROM
UTILITY MAIN RECORD MAPS AND UTILITY SERVICE LOCATION MAPSOBTAINED
FROM COLORADO SPRINGS UTILITIES. THE LOCATION OF UTILITIES AS SHOWN
ARE APPROXIMATE. ALL UTILITIES MAY NOT BE SHOWNOR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND UTILITY LOCATIONS WERE NOT PERFORMED.
BENCHMARK
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CHECKED BY _____
DESIGNED BY
___________________
CHECKED BY _____ ___________________
REVISIONS
OF
AS-BUILTS BY
MVE DRAWING
MVE PROJECT
DRAWN BY
SHEET
61092
Monument SmallEngine Storage
-GEC-GP
C1.3GRADING PLAN
3 5OCTOBER 11, 2019
1. PCD FILE NO. PPR-18-013 GEC PLANS APPROVED. 08/23/18
2. SITE CHANGES 09/27/19
3. EPC RESUBMITTAL 10/11/19
WQ POND DP2LOCATION:
13S 510,730 m E4,327,375 m N
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0
1" = 50' 1:600
100502010
MAP NOTES1. THE EXISTING TOPOGRAPHY SHOWN ON THIS PLAN WAS
PREPARED BY MVE, INC.
2. ALL EXISTING UNDERGROUND UTILITIES SHOWN ON THIS MAP ARE FROM
UTILITY MAIN RECORD MAPS AND UTILITY SERVICE LOCATION MAPSOBTAINED
FROM COLORADO SPRINGS UTILITIES. THE LOCATION OF UTILITIES AS SHOWN
ARE APPROXIMATE. ALL UTILITIES MAY NOT BE SHOWNOR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND UTILITY LOCATIONS WERE NOT PERFORMED.
FLOODPLAIN STATEMENTNO PORTION OF THE SUBJECT PROPERTY IS
LOCATED WITHIN FEMA DESIGNATED 100 YR FLOODPLAIN AS INDICATED ON
THE FLOOD INSURANCERATE MAPS (FIRM) FOR EL PASO COUNTY, COLORADO
AND INCORPORATED AREAS - MAP NUMBERS 08041C0260 F & 08041C0276
F, EFFECTIVEMARCH 17, 1997.
PCD FILE NO.
VICINITY MAP
RIPRAP AT DRAIN PIPE ENDSNTS
1.5'
W.S.
BTM / INV IN
BTM SANDGEOTEXTILELINER
1'-11" (MIN) CLASS C FILTERMATERIAL PER TABLE SF-1
4" DIA. SLOTTED PVCDRAIN PIPE PER TABLESF-2. SLOPE 0.5% MIN.
TYPICAL SWQC BASIN DETAILSCALE: NTS
FILTER SURFACE TOBE LEVEL
SLOPE BOTTOM 0.5%TOWARD INLET
SFB BASE ELEV
PON
D D
EPTH
,PE
R TA
BLE
SF-3
12" PVC TEEINV OUT WQCV ELEV(SEE POND TABLE DATA)
CLEANOUT w/ 2 - 45° BENDS& WATERTIGHT CAP(SEE PLAN FOR
LOCATIONS)
CAP 12" TEE & DRILL FOR 4"UNDERDRAIN PIPE W/ORIFACE. (SEE
PONDTABLE DATA)
SECTION 'A'SCALE: 1" = 4'
1'-6
"M
IN4"
1" M
IN
1" B
EDD
ING
2% (TYP)
FILTER MATERIALIN-FLOW FROM STREETSFB BASE ELEV
SEE RIPRAP AT CURBOPENING DETAIL
A
A
TABLE SF-1 (CLASS C FILTER MATERIAL)
SEIVE SIZE % PASSING
3/4" 100NO 4 60-100NO 50 10-30NO 100 0-10NO 200 0-3
TABLE SF-2 (SLOTTED PIPE DIMENSIONS)
PIPE Ø SLOT SLOT SLOT OPEN AREALENGTH WIDTH CENTERS (PER SF)
4" 1-1/16" 0.032" 0.413" 1.90 SQ. IN.
4:1
SPILLWAY(WIDTH PER
PLAN)
12"FREEBOARD
4:1
SPILLWAY DETAILSCALE: NTS
4"(MIN)
COVER w/TOPSOIL.
14"
TYPE 'L' OR 'VL' RIPRAP,INTERMIXED WITH 35%NATIVE SOIL, BY
WEIGHT.
SAND FILTER WATER QUALITY POND DATA TABLE
SANDFILTER
BASE AREA(SQUARE
FEET)
SANDFILTER
VOLUME(FT3)
SANDFILTERBASEELEV
PONDDEPTH
(FT)
EMERGENCYOVERFLOWELEVATION
PIPE INVERT ELEVATIONSOUTLETORIFICE
DIAMETER(IN)
TOP OFWQCV PIPE
ELEV (FT)
INV OUTWQCV ELEV
(FT)HIGH END LOW ENDDP 2 1,322 2,134 58.5 1.50 60.0 56.67 56.35
1-1/16" 59.76 56.35
TOP OF WQCV PIPE(SEE POND TABLE DATA)
3:1MAX.
3:1MAX
.
1'-0
" M
IN.
6'-0"
TYPICAL SWALE ASCALE 1" = 2.0'
3'-0" 3'-0"
LANDSCAPE FABRICTENCATE MIRIFI 180N ORAPPROVED ALTERNATE
12" DOMED ADS/NYLOPLASTDUCTILE IRON FRAME & GRATE ORAPPROVED
ALTERNATE
3:1TYP.
TYPICAL SWALE BSCALE 1" = 4.0'
35 - 50
50 - 70
70 - 100
2 - 10
BY WEIGHT% SMALLER
d = 2d = 6
d = 9
d = 12
10
50
70
100
DIM.(INCHES)INTER.ROCK
TYPE VL
RIP-RAP GRADATION TABLE
d = 3d = 9
d = 12
d = 15
10
50
70
100
DIM.(INCHES)INTER.ROCK
TYPE L
3:1MAX.
3:1MAX
.
1'-6
" M
IN.
11'-0"
TYPICAL SWALE CSCALE: NTS'
4'-6" 2'-0" 4'-6"
3:1MAX.
3:1MAX
.
1'-6
" M
IN.
9'-0"
4'-6" 4'-6"
SPREADING DEPRESSIONSCALE 1" = 4.0'
6"
9'-0"
3'-0" 6'-0"
ENSURE DOWNHILL(WEST) EDGE ISLEVEL. EL=50.0'
TYPE 'VL' RIPRAP,12" THICK
TYPE 'VL' RIPRAP,12" THICK
TYPE 'VL' RIPRAP,12" THICK
LEGEND
FF = 5986.00
PROPERTY LINE
EASEMENT LINE
LOT LINE
BUILDING SETBACK LINE
ADJACENT PROPERTY LINE
EXISTING
INDEX CONTOUR
INTERMEDIATE CONTOUR
CONCRETE AREA
ASPHALT AREA
BUILDING/BUILDING OVERHANG
RETAINING WALL - SOLID/ROCK
CHAIN LINK FENCE
BARBED WIRE FENCE
PROPOSED
INDEX CONTOUR
INTERMEDIATE CONTOUR
CONCRETE AREA
ASPHALT AREA
BUILDING/BUILDING OVERHANG
RETAINING WALL - SOLIDROCK
TOP OF WALL/GRADE AT BOTTOMOF WALL
SPOT ELEVATIONFL = FLOWLINETSW = TOP OF SIDEWALK
FINISHED FLOOR ELEVATION
SANITARY SEWER SERVICE LINE
OVERHEAD ELECTRIC LINE
UTILITY POLE/GUY WIRE
STORM DRAIN PIPE/ FLARED END SECTION (FES)
STORM DRAIN PIPE/ FLAREDEND SECTION (FES)
RIPRAP
86.0 TW83.0 FG
84.96TSW
5985
84
5985
84
TREES (EVERGREEN /DECIDUOUS)
TREES (EVERGREEN /DECIDUOUS)
GRADING NOTES:1. UNDERGROUND FACILITIES, STRUCTURES AND
UTILITIES HAVE BEEN DRAWN FROM AVAILABLE RECORDS ANO/OR SURFACE
EVIDENCE. THE
LOCATION OF ALL UTILITIES MAY NOT BE SHOWN OR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND LOCATIONS HAVE NOT BEEN PERFORMED.THEREFORE,
THE RELATIONSHIP BETWEEN PROPOSED WORK AND EXISTING FACILITIES,
STRUCTURES AND UTILITIES MUST BE CONSIDEREDAPPROXIMATE. ALL
UTILITIES SHALL BE LOCATED PRIOR TO ANY EARTH WORK OR DIGGING
(1-800-922-1987 OR 811). THE CONTRACTOR SHALL BEFULLY RESPONSIBLE
FOR ANY AND ALL DAMAGES WHICH MAY BE OCCASIONED BY THE CONTRACTOR'S
FAILURE TO EXACTLY LOCATE ANDPRESERVE ANY AND ALL UTILITIES.
2. CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING ALL SUBSURFACE
UTILITY OWNERS PRIOR TO BEGINNING WORK TO DETERMINELOCATION OF
UTILITY FACILITIES.
3. EXISTING CONDITIONS SHALL BE VERIFIED BY THE GENERAL
CONTRACTOR. DISCREPANCIES ARE TO BE REPORTED TO THE ENGINEER PRIOR
TOCONSTRUCTION.
4. M.V.E., INC. OR THE ENGINEER ASSUMES NO RESPONSIBILITY OR
LIABILITY FOR USE OF THIS GRADING PLAN FOR ANY OTHER PURPOSE THAN
OVERLOT GRADING OPERATIONS.
5. ALL WEEDS, TRASH, DEBRIS, RUBBLE, BROKEN ASPHALT, ORGANIC
MATERIAL (EXCLUDING TOPSOIL) AND REFUSE, OR ANY OTHER MATERIAL
WHICHWOULD NOT BE DELETERIOUS AS FILL MATERIAL OR INCAPABLE OF
SUPPORTING THE BUILDING, VEHICULAR AND/OR OVERBURDEN LOADS TO
BEIMPOSED SHALL BE CLEARED, GRUBBED OR EXCAVATED AS THE CASE MAY
DICTATE PRIOR TO GRADING AND SHALL BE REMOVED FROM SITE ANDDISPOSED
OF LEGALLY.
6. PROPOSED CONTOURS SHOWN ARE FINISH GRADES AND READ TO TOP OF
PAVEMENT AND FINISH SOIL GRADE.
7. THE CONTRACTOR SHALL BE RESPONSIBLE TO PROTECT GRADED AREAS
FROM, AND AS NECESSARY RESTORE TO GRADE, ANY RUTS, WASHES OROTHER
CHANGES FROM THE DESIGN ELEVATIONS SHOWN HEREON, UNTIL GRADING WORK
IS ACCEPTED BY THE OWNER OR OWNER'SREPRESENTATIVE.
8. THE CONTRACTOR SHALL ENDEAVOR NOT TO DISTURB ANY OFFSITE
AREAS. THE CONTRACTOR SHALL RESTORE TO THE ORIGINAL
CONDITION,ADJACENT (OFF-SITE) PROPERTY DISTURBED BY HIS
OPERATIONS.
9. THE GENERAL CONTRACTOR SHALL STRIP TOPSOIL FROM CONSTRUCTION
AREAS AND STOCKPILE TOPSOIL AT AREA SHOWN ON THIS PLAN.
PLACETOPSOIL WITH APPROPRIATE EROSION CONTROL AND IN A MANNER SO AS
TO NOT CONFLICT WITH OTHER TRADES AND CONSTRUCTIONPROCESS.
10. ALL GRADING SHALL BE DONE TO INSURE POSITIVE DRAINAGE AWAY
FROM FOUNDATIONS AND STRUCTURES.
11. FINISHED GRADE OF ALL PERVIOUS EARTH SURFACES THAT CONTACT
FOUNDATION WALLS SHALL BE A MINIMUM OF 6" BELOW ANY UNTREATEDWOOD
MATERIAL OR IN ACCORDANCE WITH APPLICABLE CODES AND THE
RECOMMENDATIONS OF THE OWNER'S GEOTECHNICALENGINEERING REPORT OR
DESIGN.
12. PERVIOUS EARTH SURFACES SHALL SLOPE AWAY FROM ALL FOUNDATION
WALLS AT A MINIMUM RATE OF 6" IN 10 FEET (5%) FOR THE FIRST 10
FEETADJACENT TO THE FOUNDATION OR IN ACCORDANCE WITH APPLICABLE
CODES AND THE RECOMMENDATIONS OF THE OWNER'SGEOTECHNICAL
ENGINEERING REPORT OR DESIGN.
13. CONCRETE OR OTHER IMPERVIOUS SURFACES THAT CONTACT
FOUNDATION WALLS SHALL SLOPE AWAY FROM ALL FOUNDATION WALLS AT
AMINIMUM RATE OF 1/4" PER FOOT (2.00%) OR IN ACCORDANCE WITH
APPLICABLE CODES AND THE RECOMMENDATIONS OF THE OWNER'SGEOTECHNICAL
ENGINEERING REPORT OR DESIGN.
14. ANY FILL MATERIAL REQUIRED TO BRING GRADES UP TO PROPOSED
ELEVATIONS SHALL BE PROVIDED BY THE CONTRACTOR.
15. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DISTRIBUTING TOPSOIL
THROUGHOUT THE LAWN AND PLANTING AREAS ACCORDING TOAPPROVED
LANDSCAPE PLANS, BY OTHERS.
16. THE NATURE OF WORK PROPOSED BY THIS PLAN IS GRADING AND THE
EXTENT OF SAID PROPOSED GRADING IS SHOWN BY THE EXISTING
ANDPROPOSED CONTOURS HEREON.
17. CONTRACTOR SHALL USE MECHANICAL METHODS TO GO FROM THE
EXISTING TO PROPOSED CONTOURS IN ACCORDANCE WITH THIS GRADINGPLAN.
QUALITY CONTROL OF SOILS AND GRADING OPERATION WILL BE AS DIRECTED
BY OWNERS GEOTECHNICAL ENGINEER.
18. CONTRACTOR IN THE PERFORMANCE OF HIS GRADING WORK SHALL, AT
ALL TIMES, WHETHER OR NOT SPECIFICALLY DIRECTED BY OWNER
ORENGINEER, STRICTLY OBSERVE SAFETY PROVISIONS OF ALL FEDERAL,
STATE AND MUNICIPAL LAWS AND BUILDING AND CONSTRUCTION
CODESRELATING TO PUBLIC SAFETY. CONTRACTOR SHALL CONTINUOUSLY
CONDUCT HIS GRADING OPERATIONS WORK IN A MANNER THAT SUCH WORKWILL
NOT BECOME A HAZARD TO LIFE AND LIMB, ENDANGER PROPERTY OR
ADVERSELY AFFECT THE SAFETY, USE OR STABILITY OF THE PUBLIC
WAY,DRAINAGE CHANNEL OR OTHER PROPERTY SHOWN ON THIS GRADING PLAN.
GRADING OPERATIONS WORK COMPLETED IN ACCORDANCE WITHTHIS GRADING
PLAN WILL NOT BECOME A HAZARD TO LIFE AND LIMB, ENDANGER PROPERTY
OR ADVERSELY AFFECT THE SAFETY, USE OR STABILITYOF THE PUBLIC WAY,
DRAINAGE CHANNEL, OR OTHER PROPERTY SHOWN ON THIS GRADING PLAN.
19. WHENEVER OWNER, ENGINEER OR CITY SAFETY DIRECTOR OR HIS
DESIGNATED REPRESENTATIVE BECOMES AWARE OF CONTRACTORS FAILURE
TOCOMPLY WITH APPLICABLE SAFETY REGULATIONS, THE OWNER, ENGINEER OR
CITY SAFETY DIRECTOR OR HIS DESIGNATED REPRESENTATIVE WILLINFORM
THE CONTRACTOR WHO SHALL TAKE IMMEDIATE STEPS TO REMEDY THE
NONCOMPLIANCE.
20. CONTRACTOR SHALL PROVIDE APPROPRIATE EROSION CONTROL
MEASURES DURING EARTHWORK OPERATIONS TO CONTROL EROSION ANDSEDIMENT
TRANSFER TO ADJACENT PROPERTIES. EROSION CONTROL MEASURES ARE NOT
LIMITED TO THOSE NOTED ON THE EROSION CONTROLPLAN.
A. ALL DISTURBED AREAS SHALL BE REVEGETATED OR OTHERWISE
LANDSCAPED AFTER CONSTRUCTION IN ACCORDANCE WITH THEREVEGETATION
GUIDELINES CONTAINED IN THE STANDARD EROSION CONTROL NOTES ON THIS
PLAN AND IN ACCORDANCE WITH THEAPPROVED LANDSCAPE PLAN FOR THIS
PROJECT. THE APPROVED LANDSCAPE PLAN DEPICTS SOD AND SEEDING AREAS
WITH SPECIFIEDTYPES AND AMOUNTS.
B. NETTING WILL BE PLACED ON CONSTRUCTED SLOPES GREATER THAN
3:1. SLOPE VALUES ARE ARE SHOWN ON THE PLAN. NETTING SHALL
BEGREENFIX AMERICA WS072 OR EQUAL AGRICULTURAL STRAW BLANKET WITH
PHOTODEGRADABLE NETTING ON BOTH SIDES. NETTING SHALLBE INSTALLED
ACCORDING TO MANUFACTURER'S SPECIFICATIONS.
C. STRAW BALES WILL BE PLACED AT TOP OF NEWLY CONSTRUCTED SLOPES
OF 3:1 OR GREATER AT SELECTED LOCATIONS AS REQUIRED.
D. PLACE SILT FENCE AS SHOWN ON THE EROSION CONTROL PLAN AND AS
MAY BE REQUIRED TO PREVENT SEDIMENT MOVEMENT TO ADJACENTPROPERTY.
STRAW BALES OR EROSION CONTROL LOGS MAY BE SUBSTITUTED WITH
APPROVAL OF THE ENGINEER.
22. ALL WORK IN THE PUBLIC RIGHT-OF-WAY SHALL BE PERFORMED
ACCORDING TO THE EL PASO COUNTY STANDARD SPECIFICATIONS,
LATESTREVISION.
STANDARD EL PASO COUNTY GRADING & EROSION CONTROL PLAN
NOTES1. STORMWATER DISCHARGES FROM CONSTRUCTION SITES SHALL NOT
CAUSE OR THREATEN TO CAUSE POLLUTION, CONTAMINATION, OR DEGRADATION
OF STATE WATERS. ALL WORK AND EARTHDISTURBANCE SHALL BE DONE IN A
MANNER THAT MINIMIZES POLLUTION OF ANY ON-SITE OR OFF-SITE WATERS,
INCLUDING WETLANDS.
2. NOTWITHSTANDING ANYTHING DEPICTED IN THESE PLANS IN WORDS OR
GRAPHIC REPRESENTATION, ALL DESIGN AND CONSTRUCTION RELATED TO
ROADS, STORM DRAINAGE AND EROSIONCONTROL SHALL CONFORM TO THE
STANDARDS AND REQUIREMENTS OF THE MOST RECENT VERSION OF THE
RELEVANT ADOPTED EL PASO COUNTY STANDARDS, INCLUDING THE
LANDDEVELOPMENT CODE, THE ENGINEERING CRITERIA MANUAL, THE DRAINAGE
CRITERIA MANUAL, AND THE DRAINAGE CRITERIA MANUAL VOLUME 2. ANY
DEVIATIONS FROM REGULATIONS ANDSTANDARDS MUST BE REQUESTED, AND
APPROVED, IN WRITING.
3. A SEPARATE STORMWATER MANAGEMENT PLAN (SMWP) FOR THIS PROJECT
SHALL BE COMPLETED AND AN EROSION AND STORMWATER QUALITY CONTROL
PERMIT (ESQCP) ISSUED PRIOR TOCOMMENCING CONSTRUCTION. MANAGEMENT
OF THE SWMP DURING CONSTRUCTION IS THE RESPONSIBILITY OF THE
DESIGNATED QUALIFIED STORMWATER MANAGER OR CERTIFIED EROSIONCONTROL
INSPECTOR. THE SWMP SHALL BE LOCATED ON SITE AT ALL TIMES DURING
CONSTRUCTION AND SHALL BE KEPT UP TO DATE WITH WORK PROGRESS AND
CHANGES IN THE FIELD.
4. ONCE THE ESQCP IS APPROVED AND A “NOTICE TO PROCEED” HAS BEEN
ISSUED, THE CONTRACTOR MAY INSTALL THE INITIAL STAGE EROSION AND
SEDIMENT CONTROL MEASURES ASINDICATED ON THE APPROVED GEC. A
PRECONSTRUCTION MEETING BETWEEN THE CONTRACTOR, ENGINEER, AND EL
PASO COUNTY WILL BE HELD PRIOR TO ANY CONSTRUCTION. IT IS
THERESPONSIBILITY OF THE APPLICANT TO COORDINATE THE MEETING TIME
AND PLACE WITH COUNTY STAFF.
5. CONTROL MEASURES MUST BE INSTALLED PRIOR TO COMMENCEMENT OF
ACTIVITIES THAT COULD CONTRIBUTE POLLUTANTS TO STORMWATER. CONTROL
MEASURES FOR ALL SLOPES,CHANNELS, DITCHES, AND DISTURBED LAND AREAS
SHALL BE INSTALLED IMMEDIATELY UPON COMPLETION OF THE
DISTURBANCE.
6. ALL TEMPORARY SEDIMENT AND EROSION CONTROL MEASURES SHALL BE
MAINTAINED AND REMAIN IN EFFECTIVE OPERATING CONDITION UNTIL
PERMANENT SOIL EROSION CONTROLMEASURES ARE IMPLEMENTED AND FINAL
STABILIZATION IS ESTABLISHED. ALL PERSONS ENGAGED IN LAND
DISTURBANCE ACTIVITIES SHALL ASSESS THE ADEQUACY OF CONTROL
MEASURES AT THESITE AND IDENTIFY IF CHANGES TO THOSE CONTROL
MEASURES ARE NEEDED TO ENSURE THE CONTINUED EFFECTIVE PERFORMANCE
OF THE CONTROL MEASURES. ALL CHANGES TO TEMPORARYSEDIMENT AND
EROSION CONTROL MEASURES MUST BE INCORPORATED INTO THE STORMWATER
MANAGEMENT PLAN.
7. TEMPORARY STABILIZATION SHALL BE IMPLEMENTED ON DISTURBED
AREAS AND STOCKPILES WHERE GROUND DISTURBING CONSTRUCTION ACTIVITY
HAS PERMANENTLY CEASED ORTEMPORARILY CEASED FOR LONGER THAN 14
DAYS.
8. FINAL STABILIZATION MUST BE IMPLEMENTED AT ALL APPLICABLE
CONSTRUCTION SITES. FINAL STABILIZATION IS ACHIEVED WHEN ALL GROUND
DISTURBING ACTIVITIES ARE COMPLETE AND ALLDISTURBED AREAS EITHER
HAVE A UNIFORM VEGETATIVE COVER WITH INDIVIDUAL PLANT DENSITY OF 70
PERCENT OF PRE-DISTURBANCE LEVELS ESTABLISHED OR EQUIVALENT
PERMANENTALTERNATIVE STABILIZATION METHOD IS IMPLEMENTED. ALL
TEMPORARY SEDIMENT AND EROSION CONTROL MEASURES SHALL BE REMOVED
UPON FINAL STABILIZATION AND BEFORE PERMITCLOSURE.
9. ALL PERMANENT STORMWATER MANAGEMENT FACILITIES SHALL BE
INSTALLED AS DESIGNED IN THE APPROVED PLANS. ANY PROPOSED CHANGES
THAT EFFECT THE DESIGN OR FUNCTION OFPERMANENT STORMWATER
MANAGEMENT STRUCTURES MUST BE APPROVED BY THE ECM ADMINISTRATOR
PRIOR TO IMPLEMENTATION.
10. EARTH DISTURBANCES SHALL BE CONDUCTED IN SUCH A MANNER SO AS
TO EFFECTIVELY MINIMIZE ACCELERATED SOIL EROSION AND RESULTING
SEDIMENTATION. ALL DISTURBANCES SHALL BEDESIGNED, CONSTRUCTED, AND
COMPLETED SO THAT THE EXPOSED AREA OF ANY DISTURBED LAND SHALL BE
LIMITED TO THE SHORTEST PRACTICAL PERIOD OF TIME. PRE-EXISTING
VEGETATIONSHALL BE PROTECTED AND MAINTAINED WITHIN 50 HORIZONTAL
FEET OF A WATERS OF THE STATE UNLESS SHOWN TO BE INFEASIBLE AND
SPECIFICALLY REQUESTED AND APPROVED.
11. COMPACTION OF SOIL MUST BE PREVENTED IN AREAS DESIGNATED FOR
INFILTRATION CONTROL MEASURES OR WHERE FINAL STABILIZATION WILL BE
ACHIEVED BY VEGETATIVE COVER. AREASDESIGNATED FOR INFILTRATION
CONTROL MEASURES SHALL ALSO BE PROTECTED FROM SEDIMENTATION DURING
CONSTRUCTION UNTIL FINAL STABILIZATION IS ACHIEVED. IF
COMPACTIONPREVENTION IS NOT FEASIBLE DUE TO SITE CONSTRAINTS, ALL
AREAS DESIGNATED FOR INFILTRATION AND VEGETATION CONTROLMEASURES
MUST BE LOOSENED PRIOR TO INSTALLATION OF THE CONTROL
MEASURE(S).
12. ANY TEMPORARY OR PERMANENT FACILITY DESIGNED AND CONSTRUCTED
FOR THE CONVEYANCE OF STORMWATER AROUND, THROUGH, OR FROM THE EARTH
DISTURBANCE AREA SHALL BEA STABILIZED CONVEYANCE DESIGNED TO
MINIMIZE EROSION AND THE DISCHARGE OF SEDIMENT OFF SITE.
13. CONCRETE WASH WATER SHALL BE CONTAINED AND DISPOSED OF IN
ACCORDANCE WITH THE SWMP. NO WASH WATER SHALL BE DISCHARGED TO OR
ALLOWED TO ENTER STATE WATERS,INCLUDING ANY SURFACE OR SUBSURFACE
STORM DRAINAGE SYSTEM OR FACILITIES. CONCRETE WASHOUTS SHALL NOT BE
LOCATED IN AN AREA WHERE SHALLOW GROUNDWATER MAY BEPRESENT, OR
WITHIN 50 FEET OF A SURFACE WATER BODY, CREEK OR STREAM.
14. DURING DEWATERING OPERATIONS OF UNCONTAMINATED GROUND WATER
MAY BE DISCHARGED ON SITE, BUT SHALL NOT LEAVE THE SITE IN THE FORM
OF SURFACE RUNOFF UNLESS ANAPPROVED STATE DEWATERING PERMIT IS IN
PLACE.
15. EROSION CONTROL BLANKETING OR OTHER PROTECTIVE COVERING
SHALL BE USED ON SLOPES STEEPER THAN 3:1.
16. CONTRACTOR SHALL BE RESPONSIBLE FOR THE REMOVAL OF ALL
WASTES FROM THE CONSTRUCTION SITE FOR DISPOSAL IN ACCORDANCE WITH
LOCAL AND STATE REGULATORYREQUIREMENTS. NO CONSTRUCTION DEBRIS,
TREE SLASH, BUILDING MATERIAL WASTES OR UNUSED BUILDING MATERIALS
SHALL BE BURIED, DUMPED, OR DISCHARGED AT THE SITE.
17. WASTE MATERIALS SHALL NOT BE TEMPORARILY PLACED OR STORED IN
THE STREET, ALLEY, OR OTHER PUBLIC WAY, UNLESS IN ACCORDANCE WITH
AN APPROVED TRAFFIC CONTROL PLAN.CONTROL MEASURES MAY BE REQUIRED
BY EL PASO COUNTY ENGINEERING IF DEEMED NECESSARY, BASED ON
SPECIFIC CONDITIONS AND CIRCUMSTANCES.
18. TRACKING OF SOILS AND CONSTRUCTION DEBRIS OFF-SITE SHALL BE
MINIMIZED. MATERIALS TRACKED OFF-SITE SHALL BE CLEANED UP AND
PROPERLY DISPOSED OF IMMEDIATELY.
19. THE OWNER/DEVELOPER SHALL BE RESPONSIBLE FOR THE REMOVAL OF
ALL CONSTRUCTION DEBRIS, DIRT, TRASH, ROCK, SEDIMENT, SOIL, AND
SAND THAT MAY ACCUMULATE IN ROADS,STORM DRAINS AND OTHER DRAINAGE
CONVEYANCE SYSTEMS AND STORMWATER APPURTENANCES AS A RESULT OF SITE
DEVELOPMENT.
20. THE QUANTITY OF MATERIALS STORED ON THE PROJECT SITE SHALL
BE LIMITED, AS MUCH AS PRACTICAL, TO THAT QUANTITY REQUIRED TO
PERFORM THE WORK IN AN ORDERLY SEQUENCE. ALLMATERIALS STORED
ON-SITE SHALL BE STORED IN A NEAT, ORDERLY MANNER, IN THEIR
ORIGINAL CONTAINERS, WITH ORIGINAL MANUFACTURER’S LABELS.
21. NO CHEMICAL(S) HAVING THE POTENTIAL TO BE RELEASED IN
STORMWATER ARE TO BE STORED OR USED ONSITE UNLESS PERMISSION FOR
THE USE OF SUCH CHEMICAL(S) IS GRANTED INWRITING BY THE ECM
ADMINISTRATOR. IN GRANTING APPROVAL FOR THE USE OF SUCH
CHEMICAL(S), SPECIAL CONDITIONS AND MONITORING MAY BE REQUIRED.
22. BULK STORAGE OF ALLOWED PETROLEUM PRODUCTS OR OTHER ALLOWED
LIQUID CHEMICALS IN EXCESS OF 55 GALLONS SHALL REQUIRE ADEQUATE
SECONDARY CONTAINMENT PROTECTIONTO CONTAIN ALL SPILLS ONSITE AND TO
PREVENT ANY SPILLED MATERIALS FROM ENTERING STATE WATERS, ANY
SURFACE OR SUBSURFACE STORM DRAINAGE SYSTEM OR OTHER
FACILITIES.
23. NO PERSON SHALL CAUSE THE IMPEDIMENT OF STORMWATER FLOW IN
THE CURB AND GUTTER OR DITCH EXCEPT WITH APPROVED SEDIMENT CONTROL
MEASURES.
24. OWNER/DEVELOPER AND THEIR AGENTS SHALL COMPLY WITH THE
“COLORADO WATER QUALITY CONTROL ACT” (TITLE 25, ARTICLE 8, CRS),
AND THE “CLEAN WATER ACT” (33 USC 1344), INADDITION TO THE
REQUIREMENTS OF THE LAND DEVELOPMENT CODE, DCM VOLUME II AND THE
ECM APPENDIX I. ALL APPROPRIATE PERMITS MUST BE OBTAINED BY THE
CONTRACTOR PRIOR TOCONSTRUCTION (1041, NPDES, FLOODPLAIN, 404,
FUGITIVE DUST, ETC.). IN THE EVENT OF CONFLICTS BETWEEN THESE
REQUIREMENTS AND OTHER LAWS, RULES, OR REGULATIONS OF OTHERFEDERAL,
STATE, LOCAL, OR COUNTY AGENCIES, THE MOST RESTRICTIVE LAWS, RULES,
OR REGULATIONS SHALL APPLY.
25. ALL CONSTRUCTION TRAFFIC MUST ENTER/EXIT THE SITE ONLY AT
APPROVED CONSTRUCTION ACCESS POINTS.
26. PRIOR TO CONSTRUCTION THE PERMITTEE SHALL VERIFY THE
LOCATION OF EXISTING UTILITIES.
27. A WATER SOURCE SHALL BE AVAILABLE ON SITE DURING EARTHWORK
OPERATIONS AND SHALL BE UTILIZED AS REQUIRED TO MINIMIZE DUST FROM
EARTHWORK EQUIPMENT AND WIND.
28. THE SOILS REPORT FOR THIS SITE HAS BEEN PREPARED BY
____________________________________ AND SHALL BE CONSIDERED A PART
OF THESE PLANS.
29. AT LEAST TEN (10) DAYS PRIOR TO THE ANTICIPATED START OF
CONSTRUCTION, FOR PROJECTS THAT WILL DISTURB ONE (1) ACRE OR MORE,
THE OWNER OR OPERATOR OF CONSTRUCTIONACTIVITY SHALL SUBMIT A PERMIT
APPLICATION FOR STORMWATER DISCHARGE TO THE COLORADO DEPARTMENT OF
PUBLIC HEALTH AND ENVIRONMENT, WATER QUALITY DIVISION.
THEAPPLICATION CONTAINS CERTIFICATION OF COMPLETION OF A STORMWATER
MANAGEMENT PLAN (SWMP), OF WHICH THIS GRADING AND EROSION CONTROL
PLAN MAY BE A PART. FORINFORMATION OR APPLICATION MATERIALS
CONTACT:
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENTWATER
QUALITY CONTROL DIVISIONWQCD – PERMITS4300 CHERRY CREEK DRIVE
SOUTHDENVER, CO 80246-1530ATTN: PERMITS UNIT
BENCHMARK
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CHECKED BY _____
DESIGNED BY
___________________
CHECKED BY _____ ___________________
REVISIONS
OF
AS-BUILTS BY
MVE DRAWING
MVE PROJECT
DRAWN BY
SHEET
61092
Monument SmallEngine Storage
-GEC-ND
C1.2NOTES & DETAILS
2 5OCTOBER 11, 2019
1. PCD FILE NO. PPR-18-013 GEC PLANS APPROVED. 08/23/18
2. SITE CHANGES 09/27/19
3. EPC RESUBMITTAL 10/11/19
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1-800-922-1987
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BEFORE
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DIG...
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YOU
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CALL
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1-800-922-1987
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R
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LOCATORS
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AND WASTEWATER
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ELECTRIC, WATER
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AND MARKING GAS,
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FOR LOCATING
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CALL UTILITY
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BEFORE YOU DIG,
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48 HOURS
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E
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C
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T
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2ND STREET
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3RD STREET
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4TH STREET
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5TH STREET
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WASHINGTON
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MITCHELL AVE.
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MONUMENT LAKE ROAD
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FORMER COLO.SPGS.-DENVER ROAD
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COLORADO
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HIGHWAY 105
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D&RG RAIL ROAD
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SITE
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NTS
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CULVERT
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PIPE
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PIPE
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CULVERT
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TYPE L RIPRAP
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FLARED END SECTION
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MIRIFI FW 700 OR EQUAL
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FLOW
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FILTER FABRIC
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FLOW
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9"
-
37'
5'
1.50
'
WQCV PIPERIM=59.76'
EMERGENCYSPILLWAY=60.00'POND BTM
EL=58.5'
27'
MONUMENT SMALL ENGINE STORAGESAND FILTER BASIN POND SECTION
SCALE = 1"=10'
-
Stormwater Facility Name:
Facility Location & Jurisdiction:
User Input: Watershed Characteristics
User Defined User Defined User Defined
User DefinedWatershed Slope = 0.020 ft/ft
Stage [ft] Area [ft^2] Stage [ft]
Discharge [cfs]
Watershed Length = 561 ft 0.00 1,322 0.00
0.00Watershed Area = 2.96 acres 0.25 1,453 0.25 0.05
Watershed Imperviousness = 63.3% percent 0.50 1,619
0.50
0.05Percentage Hydrologic Soil Group A =
0.0% percent 0.75 1,763 0.75
0.05Percentage Hydrologic Soil Group B =
100.0% percent 1.00 1,912 1.00 0.05
Percentage Hydrologic Soil Groups C/D =
0.0% percent 1.25 2,065 1.25 0.061.50 2,335 1.50 0.93
User Input 17 1.75 2,538 1.75 1.352.00 2,750 2.00 1.642.25
2,972 2.25 7.74 2.50 3,203 2.50 19.30
WQCV Treatment Method = 12.00 hours
After completing and printing this worksheet to a pdf, go to:https://maperture.digitaldataservices.com/gvh/?viewer=cswdifcreate a new stormwater facility, and attach the pdf of this worksheet to that record.
Routed Hydrograph ResultsDesign Storm Return Period =
WQCV 2 Year 5 Year 10 Year 50 Year
100 Year
One‐Hour Rainfall Depth = 0.60 1.19 1.50 1.75
2.25 2.52 inCalculated Runoff Volume = 0.049 0.168
0.226 0.291 0.441 0.523 acre‐ft
OPTIONAL Override Runoff Volume =
acre‐ftInflow Hydrograph Volume = 0.049 0.168 0.225
0.291 0.440 0.522 acre‐ft
Time to Drain 97% of Inflow Volume =
13.4 13.0 12.6 12.1 11.2 10.6
hoursTime to Drain 99% of Inflow Volume =
15.4 15.2 14.6 14.3 13.6 13.3 hours
Maximum Ponding Depth = 1.08 1.81 2.04 2.09 2.21
2.28 ftMaximum Ponded Area = 0.05 0.06 0.06 0.06
0.07 0.07 acres
Maximum Volume Stored = 0.041 0.079 0.093 0.096
0.104 0.108 acre‐ft
Location for 1‐hr Rainfall Depths (use dropdown):
Workbook Protected Worksheet Protected
Stormwater Detention and Infiltration Design Data Sheet
Monument Small Engine Storage ‐ Sand Filter Basin
137 N. Monument Lake Road, El Paso County, Colorado
61092 SDI_Design_Data_v1.08.xlsm, Design Data
10/14/2019, 11:00 AM
-
WQCV_Trigger = 1RunOnce= 1
CountA= 1Draintime Coeff= 0.8
0 1 2 3#N/A#N/A0 1 2 3
#N/A#N/A
Check Data Set 1 Check Data Set 1
Area
Discharge
Stormwater Detention and Infiltration Design Data Sheet
0
1
2
3
4
5
6
7
8
9
10
0.1 1 10
FLOW
[cfs]
TIME [hr]
100YR IN
100YR OUT
50YR IN
50YR OUT
10YR IN
10YR OUT
5YR IN
5YR OUT
2YR IN
2YR OUT
WQCV IN
WQCV OUT
0
0.5
1
1.5
2
2.5
0.1 1 10 100
POND
ING DE
PTH [ft
]
DRAIN TIME [hr]
100YR
50YR
10YR
5YR
2YR
WQCV
61092 SDI_Design_Data_v1.08.xlsm, Design Data
10/14/2019, 11:00 AM
61092 ds_impound_form-s
61092 Hazard Classification Statement
61092 Pond Plan & Planned Structure Location Map
61092 Pond Section
Sheets and Views
Model
61092 SDI_Design_Data_v1.08
-
EXIS
T 12
" CM
P
RR TIE RETAINING WALL
RR T
IE R
ETA
ININ
G W
ALL
6955
6965
6965
6965
RR TIE RETAINING WALL
RR TIE RETAINING WALL
6955
6965
6955
6965
EXISTING
RESIDENCE
6960
6945
6960
6970
6970
6970
6970
6960
6970
6960
76 GA
TE
SAND FILTER BASIN
74.0 INV75.6 CRESTEMERGENCY
SPILLWAY72
74
EX 6' OPAQUEWOOD FENCE
EX 6' OPAQUEWOOD FENCE
EX LEACH FIELD
GARAGE D
TO REMAIN
STORAGE SHE
D C
TO BE REMOVE
D
SHOP B
TO BE REMOVE
D
GARAGE A
TO BEREMO
VED
EXISTING
RESIDENCE
EXISTING
SHED
EXLANDSCAPEAREA
EX L
AN
DSC
APE
ARE
A
EX SEPTIC TANK PERMITNO. 0024327
EX WELLPERMITNO.284289
N 7
0°03
'47"
W
40
0.08
'
N 16°32'53" E 510.12'
S 01°54'38" E 632.84'
TOWN OF MONUMENT
EL PASO COUNTY
TOW
N O
F M
ON
UMEN
T
20' ACCESS ESMT(REC# 207086150)
20' ACCESS
ESMT
(REC# 2070
86149)
(711
5100
009)
(7115100033)
Mt. Herman RV StorageSubdivision
(Rec No. 215713570)
Not Platted
Not
Pla
tted
Not
Pla
tted
El P
aso
Cou
nty
GARAGE
EASEMEN
T
(REC# 20
7086147)
EX 6' OPAQUEWOOD FENCE
N 8
8°05
'39"
E
209
.80'
(210
')
RV PARKINGRECYCLED ASPHALT
SURFACE
EX GRAVEL
DRIVE
EX 6' OPAQUEWOOD FENCE
(711
5100
032)
(7115106002)
FF=6974.4'
PROPOSED 6'WOOD FENCE
EXISTING RV PARKINGRECYCLED ASPHALT
SURFACE
PRO
POSE
D 6
'W
OO
D F
ENC
ELA
ND
SCA
PEA
REA
PROPOSED
SHOP
5,000 SF.
EXIS
TING
GA
TE
LAN
DSC
APE
ARE
A
57 5859 60
61
61 6059
15' WIDEOVERFLOWSPILLWAY
WQ POND DP 2BTM=58.5, TOP=60.0
PIPE OUT=55.85'
32 LF 12" HDPE (ADS N12 ORAPPROVED ALTERNATE) @ 3.0%
12" HDPE FESINV = 54.90
1.7%
SWALE A - NO RIPRAP(SEE DETAIL)
SWALE C(SEE DETAIL)
4% 545352
Entry
51
50
5049.5
80 LF 8" HDPE (ADS N12 ORAPPROVED ALTERNATE) w/
FES @ 1.9%
8" HDPE FESINV = 70.5
8" HDPE FESINV = 69.0
SWALE A(SEE DETAIL)
SWALE B(SEE DETAIL)
74.0
73.6
73.074.0
74.3
74.3
73
71
75
74
73
72
71
70
66
65
PROPOSED 6'WOOD FENCE
PROPOSED 6'WOOD FENCE
PROPOSED RV PARKINGRECYCLED ASPHALT
SURFACE TW=74.0FG/FW=71.0
TW=73.5FG/FW=71.0TW=73.5
FG/FW=71.0
TW=73.5FG/FW=71.0
8" 45° BENDINV = 69.9
74.4
74.4
74.4
74.4
SPREADINGDEPRESSION(SEE DETAIL)
BEGINSWALE B
0
1" = 30' 1:360
6030105
MAP NOTES1. THE EXISTING TOPOGRAPHY SHOWN ON THIS PLAN WAS
PREPARED BY MVE, INC.
2. ALL EXISTING UNDERGROUND UTILITIES SHOWN ON THIS MAP ARE FROM
UTILITY MAIN RECORD MAPS AND UTILITY SERVICE LOCATION MAPSOBTAINED
FROM COLORADO SPRINGS UTILITIES. THE LOCATION OF UTILITIES AS SHOWN
ARE APPROXIMATE. ALL UTILITIES MAY NOT BE SHOWNOR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND UTILITY LOCATIONS WERE NOT PERFORMED.
BENCHMARK
EN
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CHECKED BY _____
DESIGNED BY
___________________
CHECKED BY _____ ___________________
REVISIONS
OF
AS-BUILTS BY
MVE DRAWING
MVE PROJECT
DRAWN BY
SHEET
61092
Monument SmallEngine Storage
-GEC-GP
C1.3GRADING PLAN
3 5OCTOBER 11, 2019
1. PCD FILE NO. PPR-18-013 GEC PLANS APPROVED. 08/23/18
2. SITE CHANGES 09/27/19
3. EPC RESUBMITTAL 10/11/19
WQ POND DP2LOCATION:
13S 510,730 m E4,327,375 m N
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AutoCAD SHX Text5"
AutoCAD SHX Text7"
AutoCAD SHX Text9"
AutoCAD SHX Text6"
AutoCAD SHX Text1-800-922-1987
AutoCAD SHX TextBEFORE
AutoCAD SHX TextDIG...
AutoCAD SHX TextYOU
AutoCAD SHX TextCALL
AutoCAD SHX Text1-800-922-1987
AutoCAD SHX TextR
AutoCAD SHX TextLOCATORS
AutoCAD SHX TextAND WASTEWATER
AutoCAD SHX TextELECTRIC, WATER
AutoCAD SHX TextAND MARKING GAS,
AutoCAD SHX TextFOR LOCATING
AutoCAD SHX TextO
AutoCAD SHX TextL
AutoCAD SHX TextL
AutoCAD SHX TextF
AutoCAD SHX TextB
AutoCAD SHX TextE
AutoCAD SHX TextO
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AutoCAD SHX TextA
AutoCAD SHX TextR
AutoCAD SHX TextO
AutoCAD SHX TextC
AutoCAD SHX TextF
AutoCAD SHX TextO
AutoCAD SHX TextCALL UTILITY
AutoCAD SHX TextBEFORE YOU DIG,
AutoCAD SHX Text48 HOURS
AutoCAD SHX TextE
AutoCAD SHX TextC
AutoCAD SHX TextT
AutoCAD SHX TextY
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-
0
1" = 50' 1:600
100502010
MAP NOTES1. THE EXISTING TOPOGRAPHY SHOWN ON THIS PLAN WAS
PREPARED BY MVE, INC.
2. ALL EXISTING UNDERGROUND UTILITIES SHOWN ON THIS MAP ARE FROM
UTILITY MAIN RECORD MAPS AND UTILITY SERVICE LOCATION MAPSOBTAINED
FROM COLORADO SPRINGS UTILITIES. THE LOCATION OF UTILITIES AS SHOWN
ARE APPROXIMATE. ALL UTILITIES MAY NOT BE SHOWNOR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND UTILITY LOCATIONS WERE NOT PERFORMED.
FLOODPLAIN STATEMENTNO PORTION OF THE SUBJECT PROPERTY IS
LOCATED WITHIN FEMA DESIGNATED 100 YR FLOODPLAIN AS INDICATED ON
THE FLOOD INSURANCERATE MAPS (FIRM) FOR EL PASO COUNTY, COLORADO
AND INCORPORATED AREAS - MAP NUMBERS 08041C0260 F & 08041C0276
F, EFFECTIVEMARCH 17, 1997.
PCD FILE NO.
VICINITY MAP
RIPRAP AT DRAIN PIPE ENDSNTS
1.5'
W.S.
BTM / INV IN
BTM SANDGEOTEXTILELINER
1'-11" (MIN) CLASS C FILTERMATERIAL PER TABLE SF-1
4" DIA. SLOTTED PVCDRAIN PIPE PER TABLESF-2. SLOPE 0.5% MIN.
TYPICAL SWQC BASIN DETAILSCALE: NTS
FILTER SURFACE TOBE LEVEL
SLOPE BOTTOM 0.5%TOWARD INLET
SFB BASE ELEV
PON
D D
EPTH
,PE
R TA
BLE
SF-3
12" PVC TEEINV OUT WQCV ELEV(SEE POND TABLE DATA)
CLEANOUT w/ 2 - 45° BENDS& WATERTIGHT CAP(SEE PLAN FOR
LOCATIONS)
CAP 12" TEE & DRILL FOR 4"UNDERDRAIN PIPE W/ORIFACE. (SEE
PONDTABLE DATA)
SECTION 'A'SCALE: 1" = 4'
1'-6
"M
IN4"
1" M
IN
1" B
EDD
ING
2% (TYP)
FILTER MATERIALIN-FLOW FROM STREETSFB BASE ELEV
SEE RIPRAP AT CURBOPENING DETAIL
A
A
TABLE SF-1 (CLASS C FILTER MATERIAL)
SEIVE SIZE % PASSING
3/4" 100NO 4 60-100NO 50 10-30NO 100 0-10NO 200 0-3
TABLE SF-2 (SLOTTED PIPE DIMENSIONS)
PIPE Ø SLOT SLOT SLOT OPEN AREALENGTH WIDTH CENTERS (PER SF)
4" 1-1/16" 0.032" 0.413" 1.90 SQ. IN.
4:1
SPILLWAY(WIDTH PER
PLAN)
12"FREEBOARD
4:1
SPILLWAY DETAILSCALE: NTS
4"(MIN)
COVER w/TOPSOIL.
14"
TYPE 'L' OR 'VL' RIPRAP,INTERMIXED WITH 35%NATIVE SOIL, BY
WEIGHT.
SAND FILTER WATER QUALITY POND DATA TABLE
SANDFILTER
BASE AREA(SQUARE
FEET)
SANDFILTER
VOLUME(FT3)
SANDFILTERBASEELEV
PONDDEPTH
(FT)
EMERGENCYOVERFLOWELEVATION
PIPE INVERT ELEVATIONSOUTLETORIFICE
DIAMETER(IN)
TOP OFWQCV PIPE
ELEV (FT)
INV OUTWQCV ELEV
(FT)HIGH END LOW ENDDP 2 1,322 2,134 58.5 1.50 60.0 56.67 56.35
1-1/16" 59.76 56.35
TOP OF WQCV PIPE(SEE POND TABLE DATA)
3:1MAX.
3:1MAX
.
1'-0
" M
IN.
6'-0"
TYPICAL SWALE ASCALE 1" = 2.0'
3'-0" 3'-0"
LANDSCAPE FABRICTENCATE MIRIFI 180N ORAPPROVED ALTERNATE
12" DOMED ADS/NYLOPLASTDUCTILE IRON FRAME & GRATE ORAPPROVED
ALTERNATE
3:1TYP.
TYPICAL SWALE BSCALE 1" = 4.0'
35 - 50
50 - 70
70 - 100
2 - 10
BY WEIGHT% SMALLER
d = 2d = 6
d = 9
d = 12
10
50
70
100
DIM.(INCHES)INTER.ROCK
TYPE VL
RIP-RAP GRADATION TABLE
d = 3d = 9
d = 12
d = 15
10
50
70
100
DIM.(INCHES)INTER.ROCK
TYPE L
3:1MAX.
3:1MAX
.
1'-6
" M
IN.
11'-0"
TYPICAL SWALE CSCALE: NTS'
4'-6" 2'-0" 4'-6"
3:1MAX.
3:1MAX
.
1'-6
" M
IN.
9'-0"
4'-6" 4'-6"
SPREADING DEPRESSIONSCALE 1" = 4.0'
6"
9'-0"
3'-0" 6'-0"
ENSURE DOWNHILL(WEST) EDGE ISLEVEL. EL=50.0'
TYPE 'VL' RIPRAP,12" THICK
TYPE 'VL' RIPRAP,12" THICK
TYPE 'VL' RIPRAP,12" THICK
LEGEND
FF = 5986.00
PROPERTY LINE
EASEMENT LINE
LOT LINE
BUILDING SETBACK LINE
ADJACENT PROPERTY LINE
EXISTING
INDEX CONTOUR
INTERMEDIATE CONTOUR
CONCRETE AREA
ASPHALT AREA
BUILDING/BUILDING OVERHANG
RETAINING WALL - SOLID/ROCK
CHAIN LINK FENCE
BARBED WIRE FENCE
PROPOSED
INDEX CONTOUR
INTERMEDIATE CONTOUR
CONCRETE AREA
ASPHALT AREA
BUILDING/BUILDING OVERHANG
RETAINING WALL - SOLIDROCK
TOP OF WALL/GRADE AT BOTTOMOF WALL
SPOT ELEVATIONFL = FLOWLINETSW = TOP OF SIDEWALK
FINISHED FLOOR ELEVATION
SANITARY SEWER SERVICE LINE
OVERHEAD ELECTRIC LINE
UTILITY POLE/GUY WIRE
STORM DRAIN PIPE/ FLARED END SECTION (FES)
STORM DRAIN PIPE/ FLAREDEND SECTION (FES)
RIPRAP
86.0 TW83.0 FG
84.96TSW
5985
84
5985
84
TREES (EVERGREEN /DECIDUOUS)
TREES (EVERGREEN /DECIDUOUS)
GRADING NOTES:1. UNDERGROUND FACILITIES, STRUCTURES AND
UTILITIES HAVE BEEN DRAWN FROM AVAILABLE RECORDS ANO/OR SURFACE
EVIDENCE. THE
LOCATION OF ALL UTILITIES MAY NOT BE SHOWN OR MAY NOT HAVE BEEN
LOCATED. BELOW GROUND LOCATIONS HAVE NOT BEEN PERFORMED.THEREFORE,
THE RELATIONSHIP BETWEEN PROPOSED WORK AND EXISTING FACILITIES,
STRUCTURES AND UTILITIES MUST BE CONSIDEREDAPPROXIMATE. ALL
UTILITIES SHALL BE LOCATED PRIOR TO ANY EARTH WORK OR DIGGING
(1-800-922-1987 OR 811). THE CONTRACTOR SHALL BEFULLY RESPONSIBLE
FOR ANY AND ALL DAMAGES WHICH MAY BE OCCASIONED BY THE CONTRACTOR'S
FAILURE TO EXACTLY LOCATE ANDPRESERVE ANY AND ALL UTILITIES.
2. CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING ALL SUBSURFACE
UTILITY OWNERS PRIOR TO BEGINNING WORK TO DETERMINELOCATION OF
UTILITY FACILITIES.
3. EXISTING CONDITIONS SHALL BE VERIFIED BY THE GENERAL
CONTRACTOR. DISCREPANCIES ARE TO BE REPORTED TO THE ENGINEER PRIOR
TOCONSTRUCTION.
4. M.V.E., INC. OR THE ENGINEER ASSUMES NO RESPONSIBILITY OR
LIABILITY FOR USE OF THIS GRADING PLAN FOR ANY OTHER PURPOSE THAN
OVERLOT GRADING OPERATIONS.
5. ALL WEEDS, TRASH, DEBRIS, RUBBLE, BROKEN ASPHALT, ORGANIC
MATERIAL (EXCLUDING TOPSOIL) AND REFUSE, OR ANY OTHER MATERIAL
WHICHWOULD NOT BE DELETERIOUS AS FILL MATERIAL OR INCAPABLE OF
SUPPORTING THE BUILDING, VEHICULAR AND/OR OVERBURDEN LOADS TO
BEIMPOSED SHALL BE CLEARED, GRUBBED OR EXCAVATED AS THE CASE MAY
DICTATE PRIOR TO GRADING AND SHALL BE REMOVED FROM SITE ANDDISPOSED
OF LEGALLY.
6. PROPOSED CONTOURS SHOWN ARE FINISH GRADES AND READ TO TOP OF
PAVEMENT AND FINISH SOIL GRADE.
7. THE CONTRACTOR SHALL BE RESPONSIBLE TO PROTECT GRADED AREAS
FROM, AND AS NECESSARY RESTORE TO GRADE, ANY RUTS, WASHES OROTHER
CHANGES FROM THE DESIGN ELEVATIONS SHOWN HEREON, UNTIL GRADING WORK
IS ACCEPTED BY THE OWNER OR OWNER'SREPRESENTATIVE.
8. THE CONTRACTOR SHALL ENDEAVOR NOT TO DISTURB ANY OFFSITE
AREAS. THE CONTRACTOR SHALL RESTORE TO THE ORIGINAL
CONDITION,ADJACENT (OFF-SITE) PROPERTY DISTURBED BY HIS
OPERATIONS.
9. THE GENERAL CONTRACTOR SHALL STRIP TOPSOIL FROM CONSTRUCTION
AREAS AND STOCKPILE TOPSOIL AT AREA SHOWN ON THIS PLAN.
PLACETOPSOIL WITH APPROPRIATE EROSION CONTROL AND IN A MANNER SO AS
TO NOT CONFLICT WITH OTHER TRADES AND CONSTRUCTIONPROCESS.
10. ALL GRADING SHALL BE DONE TO INSURE POSITIVE DRAINAGE AWAY
FROM FOUNDATIONS AND STRUCTURES.
11. FINISHED GRADE OF ALL PERVIOUS EARTH SURFACES THAT CONTACT
FOUNDATION WALLS SHALL BE A MINIMUM OF 6" BELOW ANY UNTREATEDWOOD
MATERIAL OR IN ACCORDANCE WITH APPLICABLE CODES AND THE
RECOMMENDATIONS OF THE OWNER'S GEOTECHNICALENGINEERING REPORT OR
DESIGN.
12. PERVIOUS EARTH SURFACES SHALL SLOPE AWAY FROM ALL FOUNDATION
WALLS AT A MINIMUM RATE OF 6" IN 10 FEET (5%) FOR THE FIRST 10
FEETADJACENT TO THE FOUNDATION OR IN ACCORDANCE WITH APPLICABLE
CODES AND THE RECOMMENDATIONS OF THE OWNER'SGEOTECHNICAL
ENGINEERING REPORT OR DESIGN.
13. CONCRETE OR OTHER IMPERVIOUS SURFACES THAT CONTACT
FOUNDATION WALLS SHALL SLOPE AWAY FROM ALL FOUNDATION WALLS AT
AMINIMUM RATE OF 1/4" PER FOOT (2.00%) OR IN ACCORDANCE WITH
APPLICABLE CODES AND THE RECOMMENDATIONS OF THE OWNER'SGEOTECHNICAL
ENGINEERING REPORT OR DESIGN.
14. ANY FILL MATERIAL REQUIRED TO BRING GRADES UP TO PROPOSED
ELEVATIONS SHALL BE PROVIDED BY THE CONTRACTOR.
15. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DISTRIBUTING TOPSOIL
THROUGHOUT THE LAWN AND PLANTING AREAS ACCORDING TOAPPROVED
LANDSCAPE PLANS, BY OTHERS.
16. THE NATURE OF WORK PROPOSED BY THIS PLAN IS GRADING AND THE
EXTENT OF SAID PROPOSED GRADING IS SHOWN BY THE EXISTING
ANDPROPOSED CONTOURS HEREON.
17. CONTRACTOR SHALL USE MECHANICAL METHODS TO GO FROM THE
EXISTING TO PROPOSED CONTOURS IN ACCORDANCE WITH THIS GRADINGPLAN.
QUALITY CONTROL OF SOILS AND GRADING OPERATION WILL BE AS DIRECTED
BY OWNERS GEOTECHNICAL ENGINEER.
18. CONTRACTOR IN THE PERFORMANCE OF HIS GRADING WORK SHALL, AT
ALL TIMES, WHETHER OR NOT SPECIFICALLY DIRECTED BY OWNER
ORENGINEER, STRICTLY OBSERVE SAFETY PROVISIONS OF ALL FEDERAL,
STATE AND MUNICIPAL LAWS AND BUILDING AND CONSTRUCTION
CODESRELATING TO PUBLIC SAFETY. CONTRACTOR SHALL CONTINUOUSLY
CONDUCT HIS GRADING OPERATIONS WORK IN A MANNER THAT SUCH WORKWILL
NOT BECOME A HAZARD TO LIFE AND LIMB, ENDANGER PROPERTY OR
ADVERSELY AFFECT THE SAFETY, USE OR STABILITY OF THE PUBLIC
WAY,DRAINAGE CHANNEL OR OTHER PROPERTY SHOWN ON THIS GRADING PLAN.
GRADING OPERATIONS WORK COMPLETED IN ACCORDANCE WITHTHIS GRADING
PLAN WILL NOT BECOME A HAZARD TO LIFE AND LIMB, ENDANGER PROPERTY
OR ADVERSELY AFFECT THE SAFETY, USE OR STABILITYOF THE PUBLIC WAY,
DRAINAGE CHANNEL, OR OTHER PROPERTY SHOWN ON THIS GRADING PLAN.
19. WHENEVER OWNER, ENGINEER OR CITY SAFETY DIRECTOR OR HIS
DESIGNATED REPRESENTATIVE BECOMES AWARE OF CONTRACTORS FAILURE
TOCOMPLY WITH APPLICABLE SAFETY REGULATIONS, THE OWNER, ENGINEER OR
CITY SAFETY DIRECTOR OR HIS DESIGNATED REPRESENTATIVE WILLINFORM
THE CONTRACTOR WHO SHALL TAKE IMMEDIATE STEPS TO REMEDY THE
NONCOMPLIANCE.
20. CONTRACTOR SHALL PROVIDE APPROPRIATE EROSION CONTROL
MEASURES DURING EARTHWORK OPERATIONS TO CONTROL EROSION ANDSEDIMENT
TRANSFER TO ADJACENT PROPERTIES. EROSION CONTROL MEASURES ARE NOT
LIMITED TO THOSE NOTED ON THE EROSION CONTROLPLAN.
A. ALL DISTURBED AREAS SHALL BE REVEGETATED OR OTHERWISE
LANDSCAPED AFTER CONSTRUCTION IN ACCORDANCE WITH THEREVEGETATION
GUIDELINES CONTAINED IN THE STANDARD EROSION CONTROL NOTES ON THIS
PLAN AND IN ACCORDANCE WITH THEAPPROVED LANDSCAPE PLAN FOR THIS
PROJECT. THE APPROVED LANDSCAPE PLAN DEPICTS SOD AND SEEDING AREAS
WITH SPECIFIEDTYPES AND AMOUNTS.
B. NETTING WILL BE PLACED ON CONSTRUCTED SLOPES GREATER THAN
3:1. SLOPE VALUES ARE ARE SHOWN ON THE PLAN. NETTING SHALL
BEGREENFIX AMERICA WS072 OR EQUAL AGRICULTURAL STRAW BLANKET WITH
PHOTODEGRADABLE NETTING ON BOTH SIDES. NETTING SHALLBE INSTALLED
ACCORDING TO MANUFACTURER'S SPECIFICATIONS.
C. STRAW BALES WILL BE PLACED AT TOP OF NEWLY CONSTRUCTED SLOPES
OF 3:1 OR GREATER AT SELECTED LOCATIONS AS REQUIRED.
D. PLACE SILT FENCE AS SHOWN ON THE EROSION CONTROL PLAN AND AS
MAY BE REQUIRED TO PREVENT SEDIMENT MOVEMENT TO ADJACENTPROPERTY.
STRAW BALES OR EROSION CONTROL LOGS MAY BE SUBSTITUTED WITH
APPROVAL OF THE ENGINEER.
22. ALL WORK IN THE PUBLIC RIGHT-OF-WAY SHALL BE PERFORMED
ACCORDING TO THE EL PASO COUNTY STANDARD SPECIFICATIONS,
LATESTREVISION.
STANDARD EL PASO COUNTY GRADING & EROSION CONTROL PLAN
NOTES1. STORMWATER DISCHARGES FROM CONSTRUCTION SITES SHALL NOT
CAUSE OR THREATEN TO CAUSE POLLUTION, CONTAMINATION, OR DEGRADATION
OF STATE WATERS. ALL WORK AND EARTHDISTURBANCE SHALL BE DONE IN A
MANNER THAT MINIMIZES POLLUTION OF ANY ON-SITE OR OFF-SITE WATERS,
INCLUDING WETLANDS.
2. NOTWITHSTANDING ANYTHING DEPICTED IN THESE PLANS IN WORDS OR
GRAPHIC REPRESENTATION, ALL DESIGN AND CONSTRUCTION RELATED TO
ROADS, STORM DRAINAGE AND EROSIONCONTROL SHALL CONFORM TO THE
STANDARDS AND REQUIREMENTS OF THE MOST RECENT VERSION OF THE
RELEVANT ADOPTED EL PASO COUNTY STANDARDS, INCLUDING THE
LANDDEVELOPMENT CODE, THE ENGINEERING CRITERIA MANUAL, THE DRAINAGE
CRITERIA MANUAL, AND THE DRAINAGE CRITERIA MANUAL VOLUME 2. ANY
DEVIATIONS FROM REGULATIONS ANDSTANDARDS MUST BE REQUESTED, AND
APPROVED, IN WRITING.
3. A SEPARATE STORMWATER MANAGEMENT PLAN (SMWP) FOR THIS PROJECT
SHALL BE COMPLETED AND AN EROSION AND STORMWATER QUALITY CONTROL
PERMIT (ESQCP) ISSUED PRIOR TOCOMMENCING CONSTRUCTION. MANAGEMENT
OF THE SWMP DURING CONSTRUCTION IS THE RESPONSIBILITY OF THE
DESIGNATED QUALIFIED STORMWATER MANAGER OR CERTIFIED EROSIONCONTROL
INSPECTOR. THE SWMP SHALL BE LOCATED ON SITE AT ALL TIMES DURING
CONSTRUCTION AND SHALL BE KEPT UP TO DATE WITH WORK PROGRESS AND
CHANGES IN THE FIELD.
4. ONCE THE ESQCP IS APPROVED AND A “NOTICE TO PROCEED” HAS BEEN
ISSUED, THE CONTRACTOR MAY INSTALL THE INITIAL STAGE EROSION AND
SEDIMENT CONTROL MEASURES ASINDICATED ON THE APPROVED GEC. A
PRECONSTRUCTION MEETING BETWEEN THE CONTRACTOR, ENGINEER, AND EL
PASO COUNTY WILL BE HELD PRIOR TO ANY CONSTRUCTION. IT IS
THERESPONSIBILITY OF THE APPLICANT TO COORDINATE THE MEETING TIME
AND PLACE WITH COUNTY STAFF.
5. CONTROL MEASURES MUST BE INSTALLED PRIOR TO COMMENCEMENT OF
ACTIVITIES THAT COULD CONTRIBUTE POLLUTANTS TO STORMWATER. CONTROL
MEASURES FOR ALL SLOPES,CHANNELS, DITCHES, AND DISTURBED LAND AREAS
SHALL BE INSTALLED IMMEDIATELY UPON COMPLETION OF THE
DISTURBANCE.
6. ALL TEMPORARY SEDIMENT AND EROSION CONTROL MEASURES SHALL BE
MAINTAINED AND REMAIN IN EFFECTIVE OPERATING CONDITION UNTIL
PERMANENT SOIL EROSION CONTROLMEASURES ARE IMPLEMENTED AND FINAL
STABILIZATION IS ESTABLISHED. ALL PERSONS ENGAGED IN LAND
DISTURBANCE ACTIVITIES SHALL ASSESS THE ADEQUACY OF CONTROL
MEASURES AT THESITE AND IDENTIFY IF CHANGES TO THOSE CONTROL
MEASURES ARE NEEDED TO ENSURE THE CONTINUED EFFECTIVE PERFORMANCE
OF THE CONTROL MEASURES. ALL CHANGES TO TEMPORARYSEDIMENT AND
EROSION CONTROL MEASURES MUST BE INCORPORATED INTO THE STORMWATER
MANAGEMENT PLAN.
7. TEMPORARY STABILIZATION SHALL BE IMPLEMENTED ON DISTURBED
AREAS AND STOCKPILES WHERE GROUND DISTURBING CONSTRUCTION ACTIVITY
HAS PERMANENTLY CEASED ORTEMPORARILY CEASED FOR LONGER THAN 14
DAYS.
8. FINAL STABILIZATION MUST BE IMPLEMENTED AT ALL APPLICABLE
CONSTRUCTION SITES. FINAL STABILIZATION IS ACHIEVED WHEN ALL GROUND
DISTURBING ACTIVITIES ARE COMPLETE AND ALLDISTURBED AREAS EITHER
HAVE A UNIFORM VEGETATIVE COVER WITH INDIVIDUAL PLANT DENSITY OF 70
PERCENT OF PRE-DISTURBANCE LEVELS ESTABLISHED OR EQUIVALENT
PERMANENTALTERNATIVE STABILIZATION METHOD IS IMPLEMENTED. ALL
TEMPORARY SEDIMENT AND EROSION CONTROL MEASURES SHALL BE REMOVED
UPON FINAL STABILIZATION AND BEFORE PERMITCLOSURE.
9. ALL PERMANENT STORMWATER MANAGEMENT FACILITIES SHALL BE
INSTALLED AS DESIGNED IN THE APPROVED PLANS. ANY PROPOSED CHANGES
THAT EFFECT THE DESIGN OR FUNCTION OFPERMANENT STORMWATER
MANAGEMENT STRUCTURES MUST BE APPROVED BY THE ECM ADMINISTRATOR
PRIOR TO IMPLEMENTATION.
10. EARTH DISTURBANCES SHALL BE CONDUCTED IN SUCH A MANNER SO AS
TO EFFECTIVELY MINIMIZE ACCELERATED SOIL EROSION AND RESULTING
SEDIMENTATION. ALL DISTURBANCES SHALL BEDESIGNED, CONSTRUCTED, AND
COMPLETED SO THAT THE EXPOSED AREA OF ANY DISTURBED LAND SHALL BE
LIMITED TO THE SHORTEST PRACTICAL PERIOD OF TIME. PRE-EXISTING
VEGETATIONSHALL BE PROTECTED AND MAINTAINED WITHIN 50 HORIZONTAL
FEET OF A WATERS OF THE STATE UNLESS SHOWN TO BE INFEASIBLE AND
SPECIFICALLY REQUESTED AND APPROVED.
11. COMPACTION OF SOIL MUST BE PREVENTED IN AREAS DESIGNATED FOR
INFILTRATION CONTROL MEASURES OR WHERE FINAL STABILIZATION WILL BE
ACHIEVED BY VEGETATIVE COVER. AREASDESIGNATED FOR INFILTRATION
CONTROL MEASURES SHALL ALSO BE PROTECTED FROM SEDIMENTATION DURING
CONSTRUCTION UNTIL FINAL STABILIZATION IS ACHIEVED. IF
COMPACTIONPREVENTION IS NOT FEASIBLE DUE TO SITE CONSTRAINTS, ALL
AREAS DESIGNATED FOR INFILTRATION AND VEGETATION CONTROLMEASURES
MUST BE LOOSENED PRIOR TO INSTALLATION OF THE CONTROL
MEASURE(S).
12. ANY TEMPORARY OR PERMANENT FACILITY DESIGNED AND CONSTRUCTED
FOR THE CONVEYANCE OF STORMWATER AROUND, THROUGH, OR FROM THE EARTH
DISTURBANCE AREA SHALL BEA STABILIZED CONVEYANCE DESIGNED TO
MINIMIZE EROSION AND THE DISCHARGE OF SEDIMENT OFF SITE.
13. CONCRETE WASH WATER SHALL BE CONTAINED AND DISPOSED OF IN
ACCORDANCE WITH THE SWMP. NO WASH WATER SHALL BE DISCHARGED TO OR
ALLOWED TO ENTER STATE WATERS,INCLUDING ANY SURFACE OR SUBSURFACE
STORM DRAINAGE SYSTEM OR FACILITIES. CONCRETE WASHOUTS SHALL NOT BE
LOCATED IN AN AREA WHERE SHALLOW GROUNDWATER MAY BEPRESENT, OR
WITHIN 50 FEET OF A SURFACE WATER BODY, CREEK OR STREAM.
14. DURING DEWATERING OPERATIONS OF UNCONTAMINATED GROUND WATER
MAY BE DISCHARGED ON SITE, BUT SHALL NOT LEAVE THE SITE IN THE FORM
OF SURFACE RUNOFF UNLESS ANAPPROVED STATE DEWATERING PERMIT IS IN
PLACE.
15. EROSION CONTROL BLANKETING OR OTHER PROTECTIVE COVERING
SHALL BE USED ON SLOPES STEEPER THAN 3:1.
16. CONTRACTOR SHALL BE RESPONSIBLE FOR THE REMOVAL OF ALL
WASTES FROM THE CONSTRUCTION SITE FOR DISPOSAL IN ACCORDANCE WITH
LOCAL AND STATE REGULATORYREQUIREMENTS. NO CONSTRUCTION DEBRIS,
TREE SLASH, BUILDING MATERIAL WASTES OR UNUSED BUILDING MATERIALS
SHALL BE BURIED, DUMPED, OR DISCHARGED AT THE SITE.
17. WASTE MATERIALS SHALL NOT BE TEMPORARILY PLACED OR STORED IN
THE STREET, ALLEY, OR OTHER PUBLIC WAY, UNLESS IN ACCORDANCE WITH
AN APPROVED TRAFFIC CONTROL PLAN.CONTROL MEASURES MAY BE REQUIRED
BY EL PASO COUNTY ENGINEERING IF DEEMED NECESSARY, BASED ON
SPECIFIC CONDITIONS AND CIRCUMSTANCES.
18. TRACKING OF SOILS AND CONSTRUCTION DEBRIS OFF-SITE SHALL BE
MINIMIZED. MATERIALS TRACKED OFF-SITE SHALL BE CLEANED UP AND
PROPERLY DISPOSED OF IMMEDIATELY.
19. THE OWNER/DEVELOPER SHALL BE RESPONSIBLE FOR THE REMOVAL OF
ALL CONSTRUCTION DEBRIS, DIRT, TRASH, ROCK, SEDIMENT, SOIL, AND
SAND THAT MAY ACCUMULATE IN ROADS,STORM DRAINS AND OTHER DRAINAGE
CONVEYANCE SYSTEMS AND STORMWATER APPURTENANCES AS A RESULT OF SITE
DEVELOPMENT.
20. THE QUANTITY OF MATERIALS STORED ON THE PROJECT SITE SHALL
BE LIMITED, AS MUCH AS PRACTICAL, TO THAT QUANTITY REQUIRED TO
PERFORM THE WORK IN AN ORDERLY SEQUENCE. ALLMATERIALS STORED
ON-SITE SHALL BE STORED IN A NEAT, ORDERLY MANNER, IN THEIR
ORIGINAL CONTAINERS, WITH ORIGINAL MANUFACTURER’S LABELS.
21. NO CHEMICAL(S) HAVING THE POTENTIAL TO BE RELEASED IN
STORMWATER ARE TO BE STORED OR USED ONSITE UNLESS PERMISSION FOR
THE USE OF SUCH CHEMICAL(S) IS GRANTED INWRITING BY THE ECM
ADMINISTRATOR. IN GRANTING APPROVAL FOR THE USE OF SUCH
CHEMICAL(S), SPECIAL CONDITIONS AND MONITORING MAY BE REQUIRED.
22. BULK STORAGE OF ALLOWED PETROLEUM PRODUCTS OR OTHER ALLOWED
LIQUID CHEMICALS IN EXCESS OF 55 GALLONS SHALL REQUIRE ADEQUATE
SECONDARY CONTAINMENT PROTECTIONTO CONTAIN ALL SPILLS ONSITE AND TO
PREVENT ANY SPILLED MATERIALS FROM ENTERING STATE WATERS, ANY
SURFACE OR SUBSURFACE STORM DRAINAGE SYSTEM OR OTHER
FACILITIES.
23. NO PERSON SHALL CAUSE THE IMPEDIMENT OF STORMWATER FLOW IN
THE CURB AND GUTTER OR DITCH EXCEPT WITH APPROVED SEDIMENT CONTROL
MEASURES.
24. OWNER/DEVELOPER AND THEIR AGENTS SHALL COMPLY WITH THE
“COLORADO WATER QUALITY CONTROL ACT” (TITLE 25, ARTICLE 8, CRS),
AND THE “CLEAN WATER ACT” (33 USC 1344), INADDITION TO THE
REQUIREMENTS OF THE LAND DEVELOPMENT CODE, DCM VOLUME II AND THE
ECM APPENDIX I. ALL APPROPRIATE PERMITS MUST BE OBTAINED BY THE
CONTRACTOR PRIOR TOCONSTRUCTION (1041, NPDES, FLOODPLAIN, 404,
FUGITIVE DUST, ETC.). IN THE EVENT OF CONFLICTS BETWEEN THESE
REQUIREMENTS AND OTHER LAWS, RULES, OR REGULATIONS OF OTHERFEDERAL,
STATE, LOCAL, OR COUNTY AGENCIES, THE MOST RESTRICTIVE LAWS, RULES,
OR REGULATIONS SHALL APPLY.
25. ALL CONSTRUCTION TRAFFIC MUST ENTER/EXIT THE SITE ONLY AT
APPROVED CONSTRUCTION ACCESS POINTS.
26. PRIOR TO CONSTRUCTION THE PERMITTEE SHALL VERIFY THE
LOCATION OF EXISTING UTILITIES.
27. A WATER SOURCE SHALL BE AVAILABLE ON SITE DURING EARTHWORK
OPERATIONS AND SHALL BE UTILIZED AS REQUIRED TO MINIMIZE DUST FROM
EARTHWORK EQUIPMENT AND WIND.
28. THE SOILS REPORT FOR THIS SITE HAS BEEN PREPARED BY
____________________________________ AND SHALL BE CONSIDERED A PART
OF THESE PLANS.
29. AT LEAST TEN (10) DAYS PRIOR TO THE ANTICIPATED START OF
CONSTRUCTION, FOR PROJECTS THAT WILL DISTURB ONE (1) ACRE OR MORE,
THE OWNER OR OPERATOR OF CONSTRUCTIONACTIVITY SHALL SUBMIT A PERMIT
APPLICATION FOR STORMWATER DISCHARGE TO THE COLORADO DEPARTMENT OF
PUBLIC HEALTH AND ENVIRONMENT, WATER QUALITY DIVISION.
THEAPPLICATION CONTAINS CERTIFICATION OF COMPLETION OF A STORMWATER
MANAGEMENT PLAN (SWMP), OF WHICH THIS GRADING AND EROSION CONTROL
PLAN MAY BE A PART. FORINFORMATION OR APPLICATION MATERIALS
CONTACT:
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENTWATER
QUALITY CONTROL DIVISIONWQCD – PERMITS4300 CHERRY CREEK DRIVE
SOUTHDENVER, CO 80246-1530ATTN: PERMITS UNIT
BENCHMARK
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C1.2NOTES & DETAILS
2 5OCTOBER 11, 2019
1. PCD FILE NO. PPR-18-013 GEC PLANS APPROVED. 08/23/18
2. SITE CHANGES 09/27/19
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AutoCAD SHX Text1-800-922-1987
AutoCAD SHX TextBEFORE
AutoCAD SHX TextDIG...
AutoCAD SHX TextYOU
AutoCAD SHX TextCALL
AutoCAD SHX Text1-800-922-1987
AutoCAD SHX TextR
AutoCAD SHX TextLOCATORS
AutoCAD SHX TextAND WASTEWATER
AutoCAD SHX TextELECTRIC, WATER
AutoCAD SHX TextAND MARKING GAS,
AutoCAD SHX TextFOR LOCATING
AutoCAD SHX TextO
AutoCAD SHX TextL
AutoCAD SHX TextL
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AutoCAD SHX TextC
AutoCAD SHX TextF
AutoCAD SHX TextO
AutoCAD SHX TextCALL UTILITY
AutoCAD SHX TextBEFORE YOU DIG,
AutoCAD SHX Text48 HOURS
AutoCAD SHX TextE
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AutoCAD SHX Text2ND STREET
AutoCAD SHX Text3RD STREET
AutoCAD SHX Text4TH STREET
AutoCAD SHX Text5TH STREET
AutoCAD SHX TextWASHINGTON
AutoCAD SHX TextMITCHELL AVE.
AutoCAD SHX TextMONUMENT LAKE ROAD
AutoCAD SHX TextFORMER COLO.SPGS.-DENVER ROAD
AutoCAD SHX TextCOLORADO
AutoCAD SHX TextHIGHWAY 105
AutoCAD SHX TextD&RG RAIL ROAD
AutoCAD SHX TextSITE
AutoCAD SHX TextNTS
AutoCAD SHX TextCULVERT
AutoCAD SHX TextPIPE
AutoCAD SHX TextPIPE
AutoCAD SHX TextCULVERT
AutoCAD SHX TextTYPE L RIPRAP
AutoCAD SHX TextFLARED END SECTION
AutoCAD SHX TextMIRIFI FW 700 OR EQUAL
AutoCAD SHX TextFLOW
AutoCAD SHX TextFILTER FABRIC
AutoCAD SHX TextFLOW
AutoCAD SHX Text9"
-
37'
5'
1.50
'
WQCV PIPERIM=59.76'
EMERGENCYSPILLWAY=60.00'POND BTM
EL=58.5'
27'
MONUMENT SMALL ENGINE STORAGESAND FILTER BASIN POND SECTION
SCALE = 1"=10'
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Stormwater Facility Name:
Facility Location & Jurisdiction:
User Input: Watershed Characteristics
User Defined User Defined User Defined
User DefinedWatershed Slope = 0.020 ft/ft
Stage [ft] Area [ft^2] Stage [ft]
Discharge [cfs]
Watershed Length = 561 ft 0.00 1,322 0.00
0.00Watershed Area = 2.96 acres 0.25 1,453 0.25 0.05
Watershed Imperviousness = 63.3% percent 0.50 1,619
0.50
0.05Percentage Hydrologic Soil Group A =
0.0% percent 0.75 1,763 0.75
0.05Percentage Hydrologic Soil Group B =
100.0% percent 1.00 1,912 1.00 0.05
Percentage Hydrologic Soil Groups C/D =
0.0% percent 1.25 2,065 1.25 0.061.50 2,335 1.50 0.93
User Input 17 1.75 2,538 1.75 1.352.00 2,750 2.00 1.642.25
2,972 2.25 7.74 2.50 3,203 2.50 19.30
WQCV Treatment Method = 12.00 hours
After completing and printing this worksheet to a pdf, go to:https://maperture.digitaldataservices.com/gvh/?viewer=cswdifcreate a new stormwater facility, and attach the pdf of this worksheet to that record.
Routed Hydrograph ResultsDesign Storm Return Period =
WQCV 2 Year 5 Year 10 Year 50 Year
100 Year
One‐Hour Rainfall Depth = 0.60 1.19 1.50 1.75
2.25 2.52 inCalculated Runoff Volume = 0.049 0.168
0.226 0.291 0.441 0.523 acre‐ft
OPTIONAL Override Runoff Volume =
acre‐ftInflow Hydrograph Volume = 0.049 0.168 0.225
0.291 0.440 0.522 acre‐ft
Time to Drain 97% of Inflow Volume =
13.4 13.0 12.6 12.1 11.2 10.6
hoursTime to Drain 99% of Inflow Volume =
15.4 15.2 14.6 14.3 13.6 13.3 hours
Maximum Ponding Depth = 1.08 1.81 2.04 2.09 2.21
2.28 ftMaximum Ponded Area = 0.05 0.06 0.06 0.06
0.07 0.07 acres
Maximum Volume Stored = 0.041 0.079 0.093 0.096
0.104 0.108 acre‐ft
Location for 1‐hr Rainfall Depths (use dropdown):
Workbook Protected Worksheet Protected
Stormwater Detention and Infiltration Design Data Sheet
Monument Small Engine Storage ‐ Sand Filter Basin
137 N. Monument Lake Road, El Paso County, Colorado
61092 SDI_Design_Data_v1.08.xlsm, Design Data
10/14/2019, 11:00 AM
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WQCV_Trigger = 1RunOnce= 1
CountA= 1Draintime Coeff= 0.8
0 1 2 3#N/A#N/A0 1 2 3
#N/A#N/A
Check Data Set 1 Check Data Set 1
Area
Discharge
Stormwater Detention and Infiltration Design Data Sheet
0
1
2
3
4
5
6
7
8
9
10
0.1 1 10
FLOW
[cfs]
TIME [hr]
100YR IN
100YR OUT
50YR IN
50YR OUT
10YR IN
10YR OUT
5YR IN
5YR OUT
2YR IN
2YR OUT
WQCV IN
WQCV OUT
0
0.5
1
1.5
2
2.5
0.1 1 10 100
POND
ING DE
PTH [ft
]
DRAIN TIME [hr]
100YR
50YR
10YR
5YR
2YR
WQCV
61092 SDI_Design_Data_v1.08.xlsm, Design Data
10/14/2019, 11:00 AM
61092 ds_impound_form-s61092 Hazard Classification
Statement61092 Pond Plan & Planned Structure Location Map61092
Pond SectionSheets and ViewsModel
61092 SDI_Design_Data_v1.08
