PIONEER PASS 2ND ADDITION Grading Drainage & Erosion Control PlanN
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MINNESOTA
1, JAIP
FOR
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PHONE: (952)
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BM #2: TOP ALUM R/W MONUMENT @ SOUTH =, -.% 3� D_ -G I / / r / i1 \t \
PROPERTY LINE ON PROPOSED R/W LINE. .�C_ ``o_- I ! n '� r / `, / $
ELEV.= 913.67 NAVD 88 DATUM ';. ��J r I 14 ,� / >
/� 33
DRAINAGE AND UTILITY EASEMENTS
ARE SHOWN THUS:
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BEING 5 FEET IN WIDTH AND ADJOINING
SIDE LOT LINES, AND 10 FEET IN WIDTH
AND ADJOINING STREET LINES AND
REAR LOT LINES, UNLESS OTHERWISE
INDICATED ON THE PLAT.
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TITLE SHEET
SITE INFORMATION
EROSION & SEDIMENT CONTROL DETAILS
FINAL GRADING, DRAINAGE, &
EROSION CONTROL PLAN
STREET PROFILES
FINAL LANDSCAPE PLAN
DETAILS
1.1
1.2 -1.3
2.1
3.1 -3.4
4.1 -4.2
5.1
6.1
LEGEND
D EXISTING ASPHALT SURFACE
,.. EXISTING CONCRETE SURFACE
i EXISTING GRAVEL SURFACE
1
EXISTING DELINEATED WETLAND
WETLAND DELINEATION
EXISTING TREE LINE /TREES
- -1 QQQ —° EXISTING CONTOUR
EXISTING BOULDER RETAINING WALL
I
EXISTING WATERMAIN
EXISTING SANITARY SEWER
> EXISTING STORM SEWER
EXISTING OVERHEAD POWER
OHP OHP
LINE /POWER POLES
® EXISTING WELL
o EXISTING TELEPHONE PEDESTAL
________ _______________________________ EXISTING CURB
I
EXISTING FENCE
EXISTING SOIL BORING
8 BLUFF CREEK OVERLAY DISTRICT SIGN
EXISTING HEAVY -DUTY SILT FENCE
EXISTING SILT FENCE
PROPOSED SINGLE TIER RETAINING WALL
(CONTRACTOR TO PROVIDE DESIGN BY OTHERS)
QQQ PROPOSED CONTOUR
>�> PROPOSED STORM SEWER
PROPOSED DRAINTILE
PROPOSED RIPRAP
+800.00 PROPOSED SPOT ELEVATION
PROPOSED CONCRETE SURFACE
PROPOSED ASPHALT SURFACE
PROPOSED CURB
PROPOSED HEAVY -DUTY SILT FENCE
PROPOSED SILT FENCE
I
PROPOSED HEAVY -DUTY SILT FENCE
(TO BE INSTALLED AFTER COMPLETION
OF GRADING)
PROPOSED SILT FENCE (TO BE
INSTALLED AFTER COMPLETION
OF GRADING)
PROPOSED TREE PROTECTION
FENCE
PROPOSED TEMPORARY ROCK
CONSTRUCTION ENTRANCE
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BLUFFF CREEK BLVD
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AIu i NVESTMENTS LL_C
25.0221300 --_
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MINIMUM CITY SETBACKS
FRONT
25
FEET
SIDE
(HOUSE)
5
FEET
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(GARAGE)
5
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SIDE
(STREET)
20
FEET
REAR
25
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Lyman BW Cmnty Rd 18
212
SITE
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SCALE IN FEET
0 150 300 450
1 inch = 150 feet
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PROJECT CONTACTS
PROJECT ENGINEER
DEVELOPER:
CITY:
NPDES OFFICER:
CONTRACTOR REPRESENTATIVE:
CONTRACTOR SUPERINTENDENT
T
AUR jA___E \JEST ^v "LNTS LLC IF=
PI D'• ; I O. 25.0221300 I,
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L J SEDIMENTATION BASIN
PROPOSED 10' AQUATIC /SAFETY
BENCH (10:1 MAX SLOPE)
� UNDISTURBED AREA
� / I PROPOSED SEED & MnDOT
CATEGORY 3 EROSION CONTROL
/ BLANKET
/ PROPOSED REAR YARD CB PROTECTION
JOEL G. COOPER, P.E. - JAMES R. HILL, INC.
MARK SONSTEGARD - LAND DEVELOPMENT MANAGER - RYLAND HOMES
PAUL OEHME - PUBLIC WORKS DIRECTOR /CITY ENGINEER - CITY OF CHANHASSEN
TEDDI SEIBRING- TROFIN - MPCA
TO BE DETERMINED
TO BE DETERMINED
PROPOSED DITCH BLOCKING(MnDOT
TYPE 3 TO BE INSTALLED AFTER
COMPLETION OF GRADING)
PROPOSED WIMCO
(952)- 890 -6044 (0)
(612)- 508 -6480 (M) L PROPOSED 25' MITIGATION BUFFER
(952)- 229 -6007 (0)
J
(952)- 227 -1169 (0)
(651)- 757 -2719 (0) PROPOSED MITIGATION AREA
(xxx) -xxx -xxxx
(XXX)- XXX —XXXX `-- - - - - -j PROPOSED WETLAND FILL AREA
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DATE
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REVISIONS
CAD FILE
21996 -22TS
PROJECT NO.
21996 -21
1.1
L-
j PROPOSED TEMPORARY
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PROPOSED 10' AQUATIC /SAFETY
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� UNDISTURBED AREA
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PAUL OEHME - PUBLIC WORKS DIRECTOR /CITY ENGINEER - CITY OF CHANHASSEN
TEDDI SEIBRING- TROFIN - MPCA
TO BE DETERMINED
TO BE DETERMINED
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TYPE 3 TO BE INSTALLED AFTER
COMPLETION OF GRADING)
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(xxx) -xxx -xxxx
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9/9/11
REVISIONS
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21996 -22SI
PROJECT NO.
21996 -21
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DATE
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REVISIONS
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PROJECT NO.
21996 -21
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DATE
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REVISIONS
CAD FILE
21996 -22SI
PROJECT NO.
21996 -21
1.3
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01
TEMPORARY EROSION & SEDIMENTATION CONTROL METHODS
(THE FOLLOWING METHODS WILL REQUIRE MULTIPLE SITE
GENERAL SEED & MULCH (MIN. 6" TOPSOIL)
VISITS DURING THE DIFFERENT STAGES OF CONSTRUCTION (INCIDENTAL
PART II. SUBMITTING THE APPLICATION
TO CONSTRUCTION)),
a. SEED : MnDOT SEED MIX #250 AT A RATE OF 70 LBS /ACRE.
THE CONTRACTOR DURING CONSTRUCTION OPERATIONS. ANY TEMPORARY
B. APPLICATION AND DURATION OF COVERAGE
1.
TEMPORARY MULCH MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
CONTROL
c. MULCH : MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
THE PERMANENT STORMWATER MANAGEMENT SYSTEM IS THE PROPOSED
5.Change of Coverage. For construction projects where the owner or operator changes, (e.g., on original developer sells portions of the
2.
HYDROSPREAD MnDOT TYPE 6 HYDRAULIC SOIL STABILIZER.
property to various homebuilders or sells the entire site to a new owner):
POND SEED & MULCH (MIN. 6" TOPSOIL).
HYDRAULIC SOIL STABILIZER MnDOT TYPE 8 AT A RATE OF 350 LBS 1000
a. The original /current owner shall provide a copy of the complete notice of termination /permit modification form (as required in Part II.C.2.b)
a. SEED : MnDOT SEED MIX #310 AT A RATE OF 82 LBS /ACRE.
a.
GALLONS OF SLURRY.
to the new owner. The original/current owner shall provide a SWPPP to the new owner and operator that specifically addresses the
b. FERTILIZER 18 -1 -8 NATURAL BASE AT A RATE OF 120 LHS /ACRE.
CITY OF CHANHASSEN WILL HAVE RESPONSIBILITY FOR LONG
remaining construction activity. Note: The notice of termination /permit modification form replaces the subdivision registration, permit
c. MULCH MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE &DISC ANCHORED.
b. WATER : 875 GALLONS /1000 GALLONS OF SLURRY.
transfer /modification and notice of termination forms.
3.
TEMPORARY SEED & MULCH (SEASONAL)
b. The new owner or operator shall submit a complete and signed permit modification portion modifications include subdivision
P P 9 P P (P ermit modi
WETLAND SEED & MULCH (MIN 1' HYDRIC TOPSOIL)
20 SY
registration or permit transfer) of the notice of termination /permit modification form to the MPCA prior to commencing construction
a. SEED : MnDOT SEED MIX #325 AT A RATE OF 84 LBS /ACRE.
a. SEED : MnDOT SEED MIX #150 AT A RATE OF 40 LBS /ACRE.
activity on site or in no case later than seven (7) days after taking ownership of the property. The new Permittee(s) are responsible for
6.
b. MULCH : MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
compliance with all terms and conditions of this permit as described in Part 11.8.2.
WILL HAVE RESPONSIBILITY FOR
e. FERTILIZER : 10 -10 -20 AT A RATE OF 200 LBS ACRE.
/
c. If an operator or general contractor has completed their portion of work on the site, is no longer in operational control of the project, and
IMPLEMENTATION OF THE SWPPP BEFORE AND DURING CONSTRUCTION.
0.42 AC
all contractual obligations between the owner and operator or general contractor relating to compliance with the terms and conditions of
4.
TEMPORARY SEED & MULCH (SPRING)
this permit have been met, the operator or general contractor, may transfer permit coverage back to the owner or to a new operator
THE CONTRACTOR SHALL PROVIDE THE OWNER WITH A CHAIN OF
a. SEED : MnDOT SEED MIX #110 AT A RATE OF 100 LBS /ACRE.
using the notice of termination /permit modification form. A signature from both the owner and operator is required.
RESPONSIBILITY WITH ALL OPERATORS ON SITE TO ENSURE THAT THE
b. MULCH : MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
C. TERMINATION OF COVERAGE
SWPPP WILL BE IMPLEMENTED AS FOLLOWS:
c. FERTILIZER : 10 -10 -20 AT A RATE OF 200 LBS /ACRE.
b. FERTILIZER : 18 -1 -8 NATURAL BASE AT A RATE OF 150 LBS /ACRE.
5.
TEMPORARY SEED &MULCH (WINTER)
1.Permittee(s) wishing to terminate coverage under this permit must submit a Notice of Termination (NOT) to the MPCA. Compliance with this
CONTRACTOR
5.
permit is required until a NOT is submitted. The Permittee(s) coverage under this permit terminates of midnight on the postmark date of
BUSINESS NAME
a. SEED : MnDOT SEED MIX #100 AT A RATE OF 100 LBS /ACRE.
the NOT, or on the date an online NOT is submitted to the MPCA.
PROJECT COORDINATES
b. MULCH : MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
2.Termination of coverage scenarios:
WHEREVER POSSIBLE PRESERVE THE EXISTING TREES GRASS AND OTHER
c. FERTILIZER : 10 -10 -20 AT A RATE OF 200 LBS /ACRE.
a. Termination of coverage for the entire project.
c. MULCH : MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE & DISC ANCHORED.
CONTACT PERSON TELEPHONE (INCLUDE AREA CODE)
i. All Permittee(s) must submit a NOT within 30 days after Final Stabilization (see Part IV.G.) has been completed on all portions of the
6.
HYDROSPREAD SEED, FERTILIZER, & MnDOT TYPE 6 HYDRAULIC SOIL STABILIZER.
site for which the Permittee is responsible and all construction activity has been completed. If the site includes permanent
practices shall remain in place until Final Stabilization has been established in accordance with Part IV.G.
a. SEED : MnDOT SEED MIX #350 AT A RATE OF 84.5 LBS /ACRE.
stormwater management systems, the requirements for final cleanout /maintenance must be performed as required in Final Stabilization,
BEEN STABILIZED.
a. SEED : MnDOT SEED MIX #190 AT A RATE OF 10 LBS /1000 GALLONS OF SLURRY.
Part IV.G.2.
be installed immediately after the activity is completed. However, sediment control practices must be installed before the next precipitation
b. FERTILZER : 10 -10 -20 AT A RATE OF 50 LBS /1000 GALLONS OF SLURRY.
it. Permittee(s) must submit a NOT within 30 days after selling the entire site including roads and stormwater infrastructure, and
7.
c. HYDRAULIC SOIL STABILIZER : MnDOT TYPE 6 AT A RATE OF 350 LBS / 1000
coverage is transferred to another owner as described in Part 11.8.5.
have been stabilized. Inlet protection may be removed for a particular inlet if a specific safety concern (street flooding /freezing) has been
GALLONS OF SLURRY.
b. Termination of coverage for a portion of the entire project.
conditions allow access
identified and the Permittee(s) hove received written correspondence from the jurisdictional authority (e.g. city /county /township/MnDOT
All Permittee(s) must submit a NOT within seven (7) days after selling
or otherwise legally transferring portions of the site to another party
& NOTES
d. WATER : 875 GALLONS 11000 GALLONS OF SLURRY.
and they are no longer the owner or operator. The portions of the site
being sold to another party must be in compliance with the permit
drainage systems, and restabilize the areas where sediment removal results in exposed soil. The removal and stabilization must take place
CONTRACTOR SHALL ADHERE TO ALL THE REQUIREMENTS OF THE MINNESOTA
(e.g. all temporary erosion protection and sediment control measures must be in place). The form must include signatures from the
7.
TEMPORARY SEDIMENTATION BASINS WITH STANDPIPE OUTLET & EMERGENCY SPILLWAY
original Permittee(s) and contact information for the new owner of the property.
PIONEER PASS IS A SINGLE- FAMILY RESIDENTIAL DEVELOPMENT ENCOMPASSING
(SEE DETAIL).
c. Termination of coverage obtained using a subdivision registration.
63.39 ACRES. THE CONSTRUCTION WILL INCLUDE MASS GRADING, UTILITY AND STREET
ALL HEST MANAGEMENT PRACTICES (BMP'S) SELECTED SHALL BE
If permit coverage was obtained using the subdivision registration process, Permittee(s) are required to submit a NOT within 30 days after
8.
TEMPORARY SEDIMENTATION TRAP WITH SPILLWAY (SEE DETAIL).
achieving Final Stabilization (see Part IV.G.).
UPSTREAM AREAS ARE FINALLY STABILIZED.
APPROPRIATE FOR THE TIME OF YEAR, SITE CONDITIONS AND ESTIMATED
3.Permittee(s) that use an alternative method for the Permanent Stormwater Management System as described in Part III.C.5, are prohibited
paved
IV.C.6.
DURATION OF USE.
from terminating this permit until Final Stabilization has been achieved on site and either:
9.
ROCK CONSTRUCTION ENTRANCE (SEE DETAIL).
a. The two years of monitoring data required in Part III.C.5 has been submitted to the MPCA and the MPCA has determined that the required
ALL EROSION & SEDIMENT CONTROL MEASURES CALLED FOR ON THESE PLANS
A COPY OF THESE PLANS MUST BE ON THE JOB SITE WHENEVER
treatment has been achieved. The Permittee will be notified in writing within 30 days after the monitoring data has been submitted. If
10.
HORIZONTAL SLOPE GRADING (SEE DETAIL).
the Permittee has not heard from the MPCA within 30 days after submitting the required data, the Permittee can submit a NOT.
BASINS OR TEMPORARY SEDIMENT TRAPS, SHALL BE CONSTRUCTED AND
to minimize off -site impacts (e.g., fugitive sediment in streets could be washed into storm sewers by the next rain and /or pose o safety
b. The Permittee can submit a NOT, even if the timefrome is less than two years, if the MPCA determines that the alternative method is
11.
DITCH CHECKS MnDOT TYPE 3 -12" BIOROLL WITH MnDOT CATEGORY 3 EROSION
ac h i eving the required treatment.
During rin t
the monitoring and evaluation of the alternative method, the Permittee is not responsible for other permit requirements that have been
a. ROCK CONSTRUCTION ENTRANCES.
CONTROL BLANKET (SEE DETAIL).
transferred as described in Part 11.8.5.
12.
EROSION CONTROL BLANKET MnDOT CATEGORY 3 (SEE DETAIL).
PART III.STORMWATER DISCHARGE DESIGN REQUIREMENTS
b. SILT FENCE & TREE PROTECTION FENCE.
JOEL COOPER, P.E.
D. RECORD RETENTION
13.
PERIMETER SILT FENCE (SEE DETAILS).
INGRESS TO AND EGRESS FROM THE CONSTRUCTION SITE FREE OF DIRT
d. TEMPORARY CULVERTS.
UNIVERSITY OF MINNESOTA
The SWPPP (original or copies) including, all changes to it, and inspections and maintenance records must be kept at the site during
14.
INLET PROTECTION (SEE DETAILS).
construction by the Permittee who has operational control of that portion of the site.The SWPPP can be kept in either the field office or in an
f. STORM WATER POND CONSTRUCTION.
on site vehicle during normal working hours.
15.
FLOATING SILT CURTAIN (SEE DETAIL)
All owner(s) must keep the SWPPP, along with the following additional records, on file for three (3) years after submittal of the NOT as
outlined in Part II.C. This does not include any records after submittal of the NOT.
PERMANENT
EROSION
&SEDIMENTATION
CONTROL
METHODS
1.Any other permits required for the project;
2.Records of all inspection and maintenance conducted during construction (see Part IV.E. Inspections and Maintenance);
(THE
FOLLOWING METHODS WILL REQUIRE MULTIPLE SITE
3.AII permanent operation and maintenance agreements that have been implemented, including all right of way, contracts, covenants and other
VISITS DURING THE DIFFERENT STAGES OF CONSTRUCTION (INCIDENTAL
binding requirements regarding perpetual maintenance; and
TO CONSTRUCTION)). 4.AII required calculations for design of the temporary and Permanent Stormwater Management Systems.
1.
GENERAL SEED & MULCH (MIN. 6" TOPSOIL)
W 93 33' 55"
v.'.'.I.F "..". =r, ?" 1 ..IM::C • IIC.:;HkiCaF -. ':`1.
a. SEED : MnDOT SEED MIX #250 AT A RATE OF 70 LBS /ACRE.
THE CONTRACTOR DURING CONSTRUCTION OPERATIONS. ANY TEMPORARY
PROPOSED EROSION /SEDIMENT
b. FERTILIZER : 22 -5 -10 80% W.I.N. 0% CL AT A RATE OF 350 LBS.ACRE.
RESPONSIBILITY REQUIREMENTS
CONTROL
c. MULCH : MnDOT TYPE 1 AT A RATE OF 2 TONS /ACRE AND DISC ANCHORED.
THE PERMANENT STORMWATER MANAGEMENT SYSTEM IS THE PROPOSED
EMERGENCY SPILLWAY
possible. Discharge from the temporary or permonent sedimentation basin must be visually checked to ensure adequate treatment is obtained
PERMANENT PONDS
2.
POND SEED & MULCH (MIN. 6" TOPSOIL).
FLARED
PLANS AND SPECIFICATIONS SHALL BE REMOVED BY THE CONTRACTOR
a. SEED : MnDOT SEED MIX #310 AT A RATE OF 82 LBS /ACRE.
3 LF
adequately protected from erosion and scour. The discharge must be dispersed over natural rock riprop, sand bags, plastic sheeting,
b. FERTILIZER 18 -1 -8 NATURAL BASE AT A RATE OF 120 LHS /ACRE.
CITY OF CHANHASSEN WILL HAVE RESPONSIBILITY FOR LONG
1,157 LF
c. MULCH MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE &DISC ANCHORED.
TERM OPERATION AND MAINTENANCE OF THE PERMANENT STORM
ROCK CONSTRUCTION ENTRANCE
1 EA
WATER MANAGEMENT SYSTEM.
3.
WETLAND SEED & MULCH (MIN 1' HYDRIC TOPSOIL)
20 SY
parking lots and similar surfaces are exempt from this requirement but must comply with Part IV.C.5.
a. SEED : MnDOT SEED MIX #325 AT A RATE OF 84 LBS /ACRE.
CONTRACTOR
17.0 AC
6.
THE CONTRACTOR SHALL PROVIDE OR CONSTRUCT TEMPORARY
MnDOT #328 SEED & MULCH (BUFFER)
WILL HAVE RESPONSIBILITY FOR
LOWEST ADJACENT OVERFLOW
b. FERTILPLER 18 -1 -8 NATURAL BASE AT A RATE OF 150 LHS /ACRE.
IMPLEMENTATION OF THE SWPPP BEFORE AND DURING CONSTRUCTION.
0.42 AC
c. MULCH : MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE & DISC ANCHORED.
THE CONTRACTOR TO CONDUCT CONSTRUCTION OPERATIONS WITHIN THE
MnDOT #310 SEED & MULCH (AQUATIC BENCH)
0.22 AC
THE CONTRACTOR SHALL PROVIDE THE OWNER WITH A CHAIN OF
4.
UPLAND BUFFER SEED & MULCH (MIN. 6" TOPSOIL).
RESPONSIBILITY WITH ALL OPERATORS ON SITE TO ENSURE THAT THE
10.
a. SEED : MnDOT SEED MIX #328 AT A RATE OF 88 LBS /ACRE.
SWPPP WILL BE IMPLEMENTED AS FOLLOWS:
174 IF
b. FERTILIZER : 18 -1 -8 NATURAL BASE AT A RATE OF 150 LBS /ACRE.
STORM WATER PONDING AREAS.
REAR YARD INLET PROTECTION
c. MULCH : MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE & DISC ANCHORED.
CONTRACTOR
5.
TEMPORARY COVER CROP FOR UPLAND BUFFERS & WETLAND MITIGATION
BUSINESS NAME
11.
a. SEED : MnDOT SEED MIX #110 (SPRING) OR #100 (WINTER) AT A RATE OF 100 LHS /ACRE.
PROJECT COORDINATES
terminated until construction activity is once again initiated or sooner if notified in writing by the MPCA. Where work has been suspended due
b. FERTILIZER : 18 -1 -8 NATURAL BASE AT A RATE OF 150 LBS /ACRE.
WHEREVER POSSIBLE PRESERVE THE EXISTING TREES GRASS AND OTHER
N 44 49' 50"
THE CONSTRUCTION PROJECT WHEN UPSTREAM DRAINAGE AREAS HAVE
c. MULCH : MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE & DISC ANCHORED.
CONTACT PERSON TELEPHONE (INCLUDE AREA CODE)
6.
GENERAL NATIVE SEED &MULCH (MINIMUM 6" TOPSOIL)
2.Sediment control practices must be established on all down gradient perimeters before any upgradient land disturbing activities begin. These
CONTACT PERSON TELEPHONE (INCLUDE AREA CODE)
practices shall remain in place until Final Stabilization has been established in accordance with Part IV.G.
a. SEED : MnDOT SEED MIX #350 AT A RATE OF 84.5 LBS /ACRE.
3.The timing of the installation of sediment control practices may be adjusted to accommodate short -term activities such as clearing or
BEEN STABILIZED.
b. FERTILIZER : 18 -1 -8 NATURAL BASE AT A RATE OF 120 LBS /ACRE.
the fence. These repairs must be made within 24 hours of discovery, or as soon as field conditions allow access.
be installed immediately after the activity is completed. However, sediment control practices must be installed before the next precipitation
c. MULCH : MnDOT TYPE 3 AT A RATE OF 2 TONS /ACRE & DISC ANCHORED.
CONTACT PERSON TELEPHONE (INCLUDE AREA CODE)
7.
SOD
basin reaches 1/2 the storage volume. Drainage and removal must be completed within 72 hours of discovery, or as soon as field
have been stabilized. Inlet protection may be removed for a particular inlet if a specific safety concern (street flooding /freezing) has been
(see Part IV.D.).
THE CONTRACTOR SHALL FOLLOW THE IMPLEMENTATION SEQUENCE AS
conditions allow access
identified and the Permittee(s) hove received written correspondence from the jurisdictional authority (e.g. city /county /township/MnDOT
SHOWN ON THIS SHEET.
NARRATIVE
& NOTES
POLYETHYLENE SNOWFENCING
The Permittee(s) must remove all deltas and sediment deposited in surface waters, including drainage ways, catch basins, and other
immediate safety concern. However, efforts to obtain written correspondence must be documented in the SWPPP and available within 72
drainage systems, and restabilize the areas where sediment removal results in exposed soil. The removal and stabilization must take place
CONTRACTOR SHALL ADHERE TO ALL THE REQUIREMENTS OF THE MINNESOTA
1.
DESCRIPTION OF CONSTRUCTION ACTIVITY.
POLLUTION CONTROL N. P. D. E. S. PERMIT.
5.Temporary soil stockpiles must have silt fence or other effective sediment controls, and
PIONEER PASS IS A SINGLE- FAMILY RESIDENTIAL DEVELOPMENT ENCOMPASSING
cannot be in surface waters, including stormwater conveyances such as curb and systems, or conduits and ditches unless there
s.
. access The Permittee is responsible for contacting all local, regional, slots and federal authorities and receiving any applicable permits,
63.39 ACRES. THE CONSTRUCTION WILL INCLUDE MASS GRADING, UTILITY AND STREET
ALL HEST MANAGEMENT PRACTICES (BMP'S) SELECTED SHALL BE
is a bypass in place for the stormwater.
INSTALLATION, AND STABILIZATION OF THESE AREAS.
d.Construction site vehicle exit locations must be inspected for evidence of off -site sediment tracking onto paved surfaces. Tracked
UPSTREAM AREAS ARE FINALLY STABILIZED.
APPROPRIATE FOR THE TIME OF YEAR, SITE CONDITIONS AND ESTIMATED
concrete or steel wash rocks, or equivalent systems. Street sweeping must be used if such BMPs are not adequate to prevent sediment from
paved
IV.C.6.
DURATION OF USE.
2.
PHASE CONSTRUCTION TO MINIMIZE SOIL LOSS.
as all erosion prevention and sediment control BMPs, for the duration of the construction work at the site. The Permittee(s) are
3.
ALL EROSION & SEDIMENT CONTROL MEASURES CALLED FOR ON THESE PLANS
A COPY OF THESE PLANS MUST BE ON THE JOB SITE WHENEVER
stabilized or the site has undergone Final Stabilization, and a NOT
AND SPECIFICATIONS, WHICH MAY INCLUDE SILT FENCE, TEMPORARY SEDIMENTATION
CONSTRUCTION IS IN PROGRESS.
f. If sediment escapes the construction site, off -site accumulations of sediment must be removed In a manner and at a frequency sufficient
BASINS OR TEMPORARY SEDIMENT TRAPS, SHALL BE CONSTRUCTED AND
to minimize off -site impacts (e.g., fugitive sediment in streets could be washed into storm sewers by the next rain and /or pose o safety
SERVICEABLE IN THE FOLLOWING ORDER, AS REQUIRED.
S.AII infiltration areas must be inspected to ensure that no sediment from ongoing construction activity is reaching the infiltration area and
a. ROCK CONSTRUCTION ENTRANCES.
TRAINING
REQUIREMENTS
b. SILT FENCE & TREE PROTECTION FENCE.
JOEL COOPER, P.E.
FLARED END SECTION INLET
c. EXISTING INLET PROTECTION.
SITE MANAGEMENT CERTIFICATION (2014)
INGRESS TO AND EGRESS FROM THE CONSTRUCTION SITE FREE OF DIRT
d. TEMPORARY CULVERTS.
UNIVERSITY OF MINNESOTA
e. TEMPORARY SEDIMENTATION BASINS, TRAPS, AND OUTFALL FACILITIES.
INSTRUCTORS : LEO HOLM & DWAYNE STENLUND
f. STORM WATER POND CONSTRUCTION.
1!
g. COMMON EXCAVATION AND EMBANKMENT, UTILITY INSTALLATION AND
STREET CONSTRUCTION.
h. TEMPORARY SEED AND /OR MULCH.
L HORIZONTAL SLOPE GRADING.
J. DITCH CHECK, SILT FENCE, & EROSION CONTROL
BLANKET.
k. PERMANENT SEED AND MULCH AND /OR SOD.
4. THE CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL EROSION & SEDIMENT
CONTROL MEASURES AS SHOWN ON THESE PLANS AND SPECIFICATIONS
AND IMPLEMENT ANY ADDITIONAL EROSION & SEDIMENT CONTROL MEASURES
NECESSARY IN ORDER TO PROTECT ADJACENT PROPERTY.
5.
ALL EROSION & SEDIMENT CONTROL FACILITIES SHALL BE MAINTAINED BY
W 93 33' 55"
v.'.'.I.F "..". =r, ?" 1 ..IM::C • IIC.:;HkiCaF -. ':`1.
HEAVY
THE CONTRACTOR DURING CONSTRUCTION OPERATIONS. ANY TEMPORARY
PROPOSED EROSION /SEDIMENT
i :Ir. .a
SILT
CONTROL
QUANTITIES
FENCE
EMERGENCY SPILLWAY
possible. Discharge from the temporary or permonent sedimentation basin must be visually checked to ensure adequate treatment is obtained
FACILITIES WHICH ARE TO BE REMOVED AS CALLED FOR ON THESE
AT
R::C F:
FLARED
PLANS AND SPECIFICATIONS SHALL BE REMOVED BY THE CONTRACTOR
HEAVY -DUTY SILT FENCE
3 LF
adequately protected from erosion and scour. The discharge must be dispersed over natural rock riprop, sand bags, plastic sheeting,
WHEN DIRECTED BY THE ENGINEER. THE CONTRACTOR SHALL THEN
SILT FENCE
1,157 LF
begins.
RESTORE THE SUBSEQUENTLY DISTURBED AREA IN ACCORDANCE WITH
ROCK CONSTRUCTION ENTRANCE
1 EA
VEGETATIVE COVER TO HELP FILTER RUNOFF.
THESE PLANS AND SPECIFICATIONS.
CATEGORY 3 FIBER BLANKET
20 SY
parking lots and similar surfaces are exempt from this requirement but must comply with Part IV.C.5.
E. INSPECTIONS AND MAINTENANCE
MnDOT #250 SEED & MULCH (GENERAL)
17.0 AC
6.
THE CONTRACTOR SHALL PROVIDE OR CONSTRUCT TEMPORARY
MnDOT #328 SEED & MULCH (BUFFER)
0.35 AC
LOWEST ADJACENT OVERFLOW
STORM WATER DRAINAGE FACILITIES AS MAY BE REQUIRED TO ALLOW
Q
MnDOT #325 SEED &MULCH (WETLAND)
0.42 AC
6' STEEL FENCEPOSTS
THE CONTRACTOR TO CONDUCT CONSTRUCTION OPERATIONS WITHIN THE
MnDOT #310 SEED & MULCH (AQUATIC BENCH)
0.22 AC
4.Pipe outlets must be provided with temporary or permanent energy dissipation within 24 hours after connection to a surface water.
PONDING AREAS AS SHOWN ON THE PLAN AND AT THE SAME TIME
MnDOT TYPE 3 DITCH CHECK
10 EA
10.
MAINTAIN STORM WATER DRAINAGE THROUGH THE SERIES OF AFFECTED
TREE PROTECTION FENCE
174 IF
SILT FENCE
STORM WATER PONDING AREAS.
REAR YARD INLET PROTECTION
8 EA
7.
Do NOT DISTURB ANY AREA UNTIL IT IS NECESSARY FOR CONSTRUCTION
0
0 0 0 ___O o
11.
To PROCEED.
PROJECT COORDINATES
terminated until construction activity is once again initiated or sooner if notified in writing by the MPCA. Where work has been suspended due
8
WHEREVER POSSIBLE PRESERVE THE EXISTING TREES GRASS AND OTHER
N 44 49' 50"
THE CONSTRUCTION PROJECT WHEN UPSTREAM DRAINAGE AREAS HAVE
SILT FENCE _
) STAKES A
STEEL POST EACH CORNER
L
DUMP STRAP
1" (25 mm) RE'
FOR BAG REMO1
FROM INLET
SILT
EXPANSION RESTRAINT
[1/4" (6 mm) NYLON ROPE,
2" (51 mm) FLAT WASHERS]
. \
. a o . . V . >>
a ..
A . . ! 4
v 41
'v Q
c.
_n e
V a'
E
ADDITIONAL ALTERNATIVES: THE CONTRACTOR MAY REQUEST, FROM THE ENGINEER,
APPROVAL OF ALTERNATIVE DEVICES.
CATCH BASIN INLET PROTECTION - SEDIMENT FILTER SACK
:K
� REAR YARD STORM SEWER
STRUCTURE
REAR YARD CATCH BASIN INLET PROTECTION
NOTE: PREMOLDED SEDIMENT CONTROL BARRIERS
SUCH AS ROYAL'S INFRASAFE COVER OR EQUIVALENT
ARE AN ACCEPTABLE ALTERNATIVE.
AND OTHER DEBRIS WHICH RESULTS FROM SAID CONSTRUCTION.
COST FOR THIS SHALL BE CONSIDERED INCIDENTAL TO THE CONTRACT.
14. ADEQUATE CONTROL OF DUST SHALL BE MAINTAINED BY THE CONTRACTOR;
NO PAYMENT FOR DUST CONTROL WILL BE MADE.
/ - 2 l1 x2"x18" MIN. WOOD STAKE TREE PROTECTION FENCE
-2' MAXIMUM SPACING
X 12" BIOROLL
N WATER
FLOW
CROSS SECTION PROFILE VIEW
DITCH CHECK - MnDOT TYPE 3
MnDOT CATEGORY 3
EROSION CONTROL BLANKET
- STAPLED & TRENCHED IN
� DITCH GRADE
1 X!1 ZsI:L1:i�9 ��Ttvl "/:r ILe �^i l:I&I �Is7 X1929im II1 2k
s a
1'
NPDES REQUIREMENTS
PART IV. CONSTRUCTION ACTIVITY REQUIREMENTS
:; lI'•:i V I RAF
W 93 33' 55"
v.'.'.I.F "..". =r, ?" 1 ..IM::C • IIC.:;HkiCaF -. ':`1.
HEAVY
DUTY
The Permittee(s) must implement the SWPPP and the requirements of this part. The BMPs identified in the SWPPP and in this permit must be
i :Ir. .a
SILT
1.Dewatering or basin draining (e.g., pumped discharges, trench /ditch cuts for drainage) related to the construction activity that may hove
accepted engineering practices.
FENCE
EMERGENCY SPILLWAY
possible. Discharge from the temporary or permonent sedimentation basin must be visually checked to ensure adequate treatment is obtained
B. EROSION PREVENTION PRACTICES
AT
R::C F:
FLARED
1.The Permittee(s) must plan for and implement appropriate construction phasing, vegetative buffer strips, horizontal slope grading, and other
discharge does not adversely affect the receiving water or downstream landowners. The Permittee(s) must ensure that discharge points are
END
adequately protected from erosion and scour. The discharge must be dispersed over natural rock riprop, sand bags, plastic sheeting,
SECTION
location of areas not to be disturbed must be delineated (e.g. with flags, stakes, signs, silt fence etc.) on the development site before work
accepted energy dissipation measures. Adequate sedimentation control measures are required for discharge water that contains suspended
begins.
solids.
2.AII exposed soil areas must be stabilized as soon as possible to limit soil erosion but in no case later than 14 days after the construction
2.All water from dewatering or basin draining activities must be discharged in o manner that does not cause nuisance conditions, erosion in
VEGETATIVE COVER TO HELP FILTER RUNOFF.
receiving channels or on downslope properties, or inundation in wetlands causing significant adverse impact to the wetland.
components (e.g., clean aggregate stockpiles, demolition concrete stockpiles, sand stockpiles) and the constructed base components of roads,
MhembItm
parking lots and similar surfaces are exempt from this requirement but must comply with Part IV.C.5.
E. INSPECTIONS AND MAINTENANCE
3.The normal wetted perimeter of any temporary or permanent drainage ditch or swale that drains water from any portion of the construction
TOP OF SILT FENCE TO BE LOWER THAN
site, or diverts water around the site, must be stabilized within 200 lineal feet from the edge, or from the of discharge into
9.
COVER OR STABILIZE ALL DISTURBED AREAS AS SOON AS POSSIBLE
once every seven (7) days during active construction and within 24 hours after a rainfall event greater than 0.5 inches in 24 hours. Following
LOWEST ADJACENT OVERFLOW
an inspection which occurs within 24 hours after a rainfall event, the next inspection must be conducted within seven (7) days after that.
a surface water and construction in that portion of the ditch has temporarily or permanently ceased.Temporary or permanent ditches or
(SEE TIMELINE : PART IV B2).
6' STEEL FENCEPOSTS
SWPPP in accordance with Part 111.0. Records of each inspection and maintenance activity shall include:
need to be stabilized. These areas must be stabilized within 24 hours after no longer being used as a sediment containment system.
a.Date and time of inspections;
4.Pipe outlets must be provided with temporary or permanent energy dissipation within 24 hours after connection to a surface water.
6' -8' SPACING BETWEEN POSTS
HEAVY DUTY
c.Findings of inspections, including recommendations for corrective actions;
10.
TIME CONSTRUCTION ACTIVITIES TO LIMIT IMPACT FROM SEASONAL
e.Data and amount of all rainfall events greater than 1/2 inch (0.5 inches) in 24 hours;
SILT FENCE
f. Documentation of changes mode to the SWPPP as required in Part III.A.4; and
a.Temporary or permanent drainage ditches and sediment basins that are designed as part of a sediment containment system (e.g., ditches
CLIMATE CHANGES OR WEATHER EVENTS.
with rock check dams) require sediment control practices only as appropriate for site conditions.
permanent cover may be reduced to once per month. Where construction sites have permanent cover on all exposed soil areas and no
0
0 0 0 ___O o
11.
DELAY CONSTRUCTION OF INFILTRATION MEASURES UNTIL THE END OF
to eliminate the overloading, and the SWPPP must be amended to identify these additional practices as required in Part III.A.4, a.
terminated until construction activity is once again initiated or sooner if notified in writing by the MPCA. Where work has been suspended due
-FLOW
to frozen ground conditions, the required inspections and maintenance schedule must begin within 24 hours after runoff occurs at the site or
c.ln order to maintain sheet flow and minimize rills and /or gullies, there shall be no unbroken slope length of greater than 75 feet for
THE CONSTRUCTION PROJECT WHEN UPSTREAM DRAINAGE AREAS HAVE
slopes with a grade of 3:1 or steeper.
4.AII erosion prevention and sediment control BMPs must be inspected to ensure integrity and effectiveness. All nonfunctional BMPs must be
repaired, replaced, or supplemented with functional BMPs within 24 hours after discovery, or as soon as field conditions allow access unless
2.Sediment control practices must be established on all down gradient perimeters before any upgradient land disturbing activities begin. These
another time frame is specified below. The Permittee(s) must investigate and comply with the following inspection and maintenance
practices shall remain in place until Final Stabilization has been established in accordance with Part IV.G.
requirements:
3.The timing of the installation of sediment control practices may be adjusted to accommodate short -term activities such as clearing or
BEEN STABILIZED.
grubbing, or passage of vehicles. Any short -term activity must be completed as quickly as possible and the sediment control practices must
the fence. These repairs must be made within 24 hours of discovery, or as soon as field conditions allow access.
be installed immediately after the activity is completed. However, sediment control practices must be installed before the next precipitation
event even if the activity is not complete.
b.Temporary and permanent sedimentation basins must be drained and the sediment removed when the depth of sediment collected in the
4.AII storm drain inlets must be protected by appropriate BMPs during construction until all sources with potential for discharging to the inlet
basin reaches 1/2 the storage volume. Drainage and removal must be completed within 72 hours of discovery, or as soon as field
have been stabilized. Inlet protection may be removed for a particular inlet if a specific safety concern (street flooding /freezing) has been
(see Part IV.D.).
� ; ,�L ,Wl�_14�,�,�.�,�,
conditions allow access
identified and the Permittee(s) hove received written correspondence from the jurisdictional authority (e.g. city /county /township/MnDOT
engineer) verifying the need for removal. The written correspondence must be documented in the SWPPP or available within 72 hours upon
c.Surface waters, including drainage ditches and conveyance systems, must be inspected for evidence of erosion and sediment deposition.
POLYETHYLENE SNOWFENCING
The Permittee(s) must remove all deltas and sediment deposited in surface waters, including drainage ways, catch basins, and other
immediate safety concern. However, efforts to obtain written correspondence must be documented in the SWPPP and available within 72
drainage systems, and restabilize the areas where sediment removal results in exposed soil. The removal and stabilization must take place
hours upon request. Permission to remove inlet protection based on a specific safety concern must still be obtained from the jurisdictional
within seven (7) days of discovery unless by legal, regulatory, or access constraints. The Permittee shall use all
12.
DO NOT REMOVE TEMPORARY PERIMETER CONTROLS UNTIL AFTER ALL
5.Temporary soil stockpiles must have silt fence or other effective sediment controls, and
reasonable efforts to obtain access. If precluded, removal and stabilization must take place within seven (7) calendar days of obtaining
cannot be in surface waters, including stormwater conveyances such as curb and systems, or conduits and ditches unless there
s.
. access The Permittee is responsible for contacting all local, regional, slots and federal authorities and receiving any applicable permits,
placed gutter
FLARED END SECTION
is a bypass in place for the stormwater.
Gl
d.Construction site vehicle exit locations must be inspected for evidence of off -site sediment tracking onto paved surfaces. Tracked
UPSTREAM AREAS ARE FINALLY STABILIZED.
sediment must be removed from all surfaces, within 24 hours of discovery, or if applicable, within a shorter time to comply with Part
concrete or steel wash rocks, or equivalent systems. Street sweeping must be used if such BMPs are not adequate to prevent sediment from
paved
IV.C.6.
being tracked onto the street (see Part IV.E.4.d.).
e.The Permittee(s) are responsible for the operation and maintenance of temporary and permanent water quality management BMPS, as well
PROFILE
as all erosion prevention and sediment control BMPs, for the duration of the construction work at the site. The Permittee(s) are
PLAN
13.
IT IS THE RESPONSIBILTY OF THE CONTRACTOR TO KEEP PUBLIC
stabilized or the site has undergone Final Stabilization, and a NOT
has been submitted to the MPCA.
5302A
f. If sediment escapes the construction site, off -site accumulations of sediment must be removed In a manner and at a frequency sufficient
sPxs oaA
to minimize off -site impacts (e.g., fugitive sediment in streets could be washed into storm sewers by the next rain and /or pose o safety
hazard to users of public streets).
S.AII infiltration areas must be inspected to ensure that no sediment from ongoing construction activity is reaching the infiltration area and
STREETS, TRAVEL WAYS, PARKING LOTS AND TRAILS UTILIZED FOR
these areas are protected from compaction due to construction equipment driving across the infiltration area.
FLARED END SECTION INLET
PROTECTION
INGRESS TO AND EGRESS FROM THE CONSTRUCTION SITE FREE OF DIRT
`
AND OTHER DEBRIS WHICH RESULTS FROM SAID CONSTRUCTION.
COST FOR THIS SHALL BE CONSIDERED INCIDENTAL TO THE CONTRACT.
14. ADEQUATE CONTROL OF DUST SHALL BE MAINTAINED BY THE CONTRACTOR;
NO PAYMENT FOR DUST CONTROL WILL BE MADE.
/ - 2 l1 x2"x18" MIN. WOOD STAKE TREE PROTECTION FENCE
-2' MAXIMUM SPACING
X 12" BIOROLL
N WATER
FLOW
CROSS SECTION PROFILE VIEW
DITCH CHECK - MnDOT TYPE 3
MnDOT CATEGORY 3
EROSION CONTROL BLANKET
- STAPLED & TRENCHED IN
� DITCH GRADE
1 X!1 ZsI:L1:i�9 ��Ttvl "/:r ILe �^i l:I&I �Is7 X1929im II1 2k
s a
1'
NPDES REQUIREMENTS
PART IV. CONSTRUCTION ACTIVITY REQUIREMENTS
:; lI'•:i V I RAF
A. STORM WATER POLLUTION PREVENTION PLAN
v.'.'.I.F "..". =r, ?" 1 ..IM::C • IIC.:;HkiCaF -. ':`1.
(612)-
D. DEWATERING AND BASIN DRAINING
The Permittee(s) must implement the SWPPP and the requirements of this part. The BMPs identified in the SWPPP and in this permit must be
i :Ir. .a
selected, installed, and maintained in an appropriate and functional manner that is in accordance with relevant manufacturer specifications and
1.Dewatering or basin draining (e.g., pumped discharges, trench /ditch cuts for drainage) related to the construction activity that may hove
accepted engineering practices.
turbid or sediment laden discharge water must be discharged to a temporary or permanent sedimentation basin on the project site whenever
EMERGENCY SPILLWAY
possible. Discharge from the temporary or permonent sedimentation basin must be visually checked to ensure adequate treatment is obtained
B. EROSION PREVENTION PRACTICES
in the basin and that nuisance conditions (see Minn. R. 7050.0210, subp. 2) will not result from the discharge. If the water cannot be
R::C F:
discharged to a sedimentation basin prior to entering the surface water, it must be treated with the appropriate BMPs, such that the
1.The Permittee(s) must plan for and implement appropriate construction phasing, vegetative buffer strips, horizontal slope grading, and other
discharge does not adversely affect the receiving water or downstream landowners. The Permittee(s) must ensure that discharge points are
construction practices that minimize erosion, so that the inspection and maintenance requirements of Part IV.E. are complied with. The
adequately protected from erosion and scour. The discharge must be dispersed over natural rock riprop, sand bags, plastic sheeting,
or other
location of areas not to be disturbed must be delineated (e.g. with flags, stakes, signs, silt fence etc.) on the development site before work
accepted energy dissipation measures. Adequate sedimentation control measures are required for discharge water that contains suspended
begins.
solids.
2.AII exposed soil areas must be stabilized as soon as possible to limit soil erosion but in no case later than 14 days after the construction
2.All water from dewatering or basin draining activities must be discharged in o manner that does not cause nuisance conditions, erosion in
activity in that portion of the site has temporarily or permanently ceased. Temporary stockpiles without significant silt, clay or organic
receiving channels or on downslope properties, or inundation in wetlands causing significant adverse impact to the wetland.
components (e.g., clean aggregate stockpiles, demolition concrete stockpiles, sand stockpiles) and the constructed base components of roads,
MhembItm
parking lots and similar surfaces are exempt from this requirement but must comply with Part IV.C.5.
E. INSPECTIONS AND MAINTENANCE
3.The normal wetted perimeter of any temporary or permanent drainage ditch or swale that drains water from any portion of the construction
site, or diverts water around the site, must be stabilized within 200 lineal feet from the edge, or from the of discharge into
1.The Permittee(s) (either the owner or operator, whoever is identified in the SWPPP) must routinely inspect the entire construction site at least
property point
any surface water. Stabilization of the last 200 lineal feet must be completed within 24 hours after connecting to a surface water.
once every seven (7) days during active construction and within 24 hours after a rainfall event greater than 0.5 inches in 24 hours. Following
Stabilization of the remaining portions of any temporary or permanent ditches or swales must be complete within 14 days after connecting to
an inspection which occurs within 24 hours after a rainfall event, the next inspection must be conducted within seven (7) days after that.
a surface water and construction in that portion of the ditch has temporarily or permanently ceased.Temporary or permanent ditches or
2.AII inspections and maintenance conducted during construction must be recorded in writing and these records must be retained with the
swales that are being used as a sediment containment system (with properly designed rack ditch checks, bio rolls, silt dikes etc.) do not
SWPPP in accordance with Part 111.0. Records of each inspection and maintenance activity shall include:
need to be stabilized. These areas must be stabilized within 24 hours after no longer being used as a sediment containment system.
a.Date and time of inspections;
4.Pipe outlets must be provided with temporary or permanent energy dissipation within 24 hours after connection to a surface water.
b.Nome of person(s) conducting inspections;
c.Findings of inspections, including recommendations for corrective actions;
C. SEDIMENT CONTROL PRACTICES
d.Corrective actions token (including dates, times, and party completing maintenance activities);
e.Data and amount of all rainfall events greater than 1/2 inch (0.5 inches) in 24 hours;
1.Sediment control practices must minimize sediment from entering surface waters, including curb and gutter systems and storm sewer inlets.
f. Documentation of changes mode to the SWPPP as required in Part III.A.4; and
a.Temporary or permanent drainage ditches and sediment basins that are designed as part of a sediment containment system (e.g., ditches
3.Where parts of the construction site have permanent cover, but work remains on other parts of the site, inspections of the areas with
with rock check dams) require sediment control practices only as appropriate for site conditions.
permanent cover may be reduced to once per month. Where construction sites have permanent cover on all exposed soil areas and no
I I
^YS'. •�
construction activity is occurring anywhere on the site, the site must be inspected for a period of twelve (12) months (the inspections may
b.lf the down gradient treatment system is overloaded, additional upgradient sediment control practices or redundant BMPs must be installed
be ceased during frozen ground conditions). Following the twelfth month of permanent cover and no construction activity, inspections may be
to eliminate the overloading, and the SWPPP must be amended to identify these additional practices as required in Part III.A.4, a.
terminated until construction activity is once again initiated or sooner if notified in writing by the MPCA. Where work has been suspended due
through c.
to frozen ground conditions, the required inspections and maintenance schedule must begin within 24 hours after runoff occurs at the site or
c.ln order to maintain sheet flow and minimize rills and /or gullies, there shall be no unbroken slope length of greater than 75 feet for
prior to resuming construction, whichever comes first.
slopes with a grade of 3:1 or steeper.
4.AII erosion prevention and sediment control BMPs must be inspected to ensure integrity and effectiveness. All nonfunctional BMPs must be
repaired, replaced, or supplemented with functional BMPs within 24 hours after discovery, or as soon as field conditions allow access unless
2.Sediment control practices must be established on all down gradient perimeters before any upgradient land disturbing activities begin. These
another time frame is specified below. The Permittee(s) must investigate and comply with the following inspection and maintenance
practices shall remain in place until Final Stabilization has been established in accordance with Part IV.G.
requirements:
3.The timing of the installation of sediment control practices may be adjusted to accommodate short -term activities such as clearing or
c.All silt fences must be repaired, replaced, or supplemented when they become nonfunctional or the sediment reaches 1/3 of the height of
grubbing, or passage of vehicles. Any short -term activity must be completed as quickly as possible and the sediment control practices must
the fence. These repairs must be made within 24 hours of discovery, or as soon as field conditions allow access.
be installed immediately after the activity is completed. However, sediment control practices must be installed before the next precipitation
event even if the activity is not complete.
b.Temporary and permanent sedimentation basins must be drained and the sediment removed when the depth of sediment collected in the
4.AII storm drain inlets must be protected by appropriate BMPs during construction until all sources with potential for discharging to the inlet
basin reaches 1/2 the storage volume. Drainage and removal must be completed within 72 hours of discovery, or as soon as field
have been stabilized. Inlet protection may be removed for a particular inlet if a specific safety concern (street flooding /freezing) has been
(see Part IV.D.).
� ; ,�L ,Wl�_14�,�,�.�,�,
conditions allow access
identified and the Permittee(s) hove received written correspondence from the jurisdictional authority (e.g. city /county /township/MnDOT
engineer) verifying the need for removal. The written correspondence must be documented in the SWPPP or available within 72 hours upon
c.Surface waters, including drainage ditches and conveyance systems, must be inspected for evidence of erosion and sediment deposition.
request. When written correspondence can not be obtained in o timely manner, the specific inlet protection can be removed to alleviate the
The Permittee(s) must remove all deltas and sediment deposited in surface waters, including drainage ways, catch basins, and other
immediate safety concern. However, efforts to obtain written correspondence must be documented in the SWPPP and available within 72
drainage systems, and restabilize the areas where sediment removal results in exposed soil. The removal and stabilization must take place
hours upon request. Permission to remove inlet protection based on a specific safety concern must still be obtained from the jurisdictional
within seven (7) days of discovery unless by legal, regulatory, or access constraints. The Permittee shall use all
authority within 30 days of removal.
precluded physical
5.Temporary soil stockpiles must have silt fence or other effective sediment controls, and
reasonable efforts to obtain access. If precluded, removal and stabilization must take place within seven (7) calendar days of obtaining
cannot be in surface waters, including stormwater conveyances such as curb and systems, or conduits and ditches unless there
s.
. access The Permittee is responsible for contacting all local, regional, slots and federal authorities and receiving any applicable permits,
placed gutter
prior t o conducting any work.
is a bypass in place for the stormwater.
Gl
d.Construction site vehicle exit locations must be inspected for evidence of off -site sediment tracking onto paved surfaces. Tracked
6.Vehicle tracking of sediment from the construction site (or onto streets within the site) must be minimized by BMPs such as stone pods,
sediment must be removed from all surfaces, within 24 hours of discovery, or if applicable, within a shorter time to comply with Part
concrete or steel wash rocks, or equivalent systems. Street sweeping must be used if such BMPs are not adequate to prevent sediment from
paved
IV.C.6.
being tracked onto the street (see Part IV.E.4.d.).
e.The Permittee(s) are responsible for the operation and maintenance of temporary and permanent water quality management BMPS, as well
7.The Permittee must install temporary sedimentation basins as required in Part 111.8. of this permit.
as all erosion prevention and sediment control BMPs, for the duration of the construction work at the site. The Permittee(s) are
RW=: I -Ia
responsible until another Permittee has assumed control according to Part 11.8.5 over all areas of the site that have not been finally
PLM uo_
stabilized or the site has undergone Final Stabilization, and a NOT
has been submitted to the MPCA.
5302A
f. If sediment escapes the construction site, off -site accumulations of sediment must be removed In a manner and at a frequency sufficient
sPxs oaA
to minimize off -site impacts (e.g., fugitive sediment in streets could be washed into storm sewers by the next rain and /or pose o safety
hazard to users of public streets).
S.AII infiltration areas must be inspected to ensure that no sediment from ongoing construction activity is reaching the infiltration area and
these areas are protected from compaction due to construction equipment driving across the infiltration area.
MERGENCY SPILLWAY CREST
'RIP RAP OR EROSION CONTROL BLANKET)
- OUTLET ELEVATION
STORAGE �����������
VOLUME
ANTISEEPAGE COLLAR (TYP
1
STAND PIPE DETAIL
CAP SKIMMER(EG. 5 GALLON
BUCKET) TO BE BOLTED TO
3 CY CL3 RIP RAP
THE PERFORATED RISER PIPE
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ELEVATION
ROCK LOG FILLED
WITH 1 1/2"
CLEAR ROCK
_1-F).,'1
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PROTECTION
- FILTER
AGGREGATE
-XXXX
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HEX BOLTS
1 " -2" WASHED ROCK CONE
3
W /LOCK NUT
HEIGHT - 1/3 Z
11.
I6 „ NOTE"
TOP VIEW
offia
PIPE MATERIAL
1" HOLES SPACED SHOULD BE RIGID
8" TO 10" ON CENTER
TEMPORARY SEDIMENTATION BASIN
• •
/ •
• 3'
• •
•• • 3 .
• • •
H
3'
Minimum
level
1' Spacing on upper end
-4" Overlap
1' Spacing
on Staples
Anchor slot I *MINIMUM ANCHORING SHOWN
alternative
Fold under 6 "-
EROSION CONTROL BLANKET - CATEGORY 3
(TO BE INSTALLED PER MANUFACTURE'S SPECIFICATIONS)
PLAN VIEW W + 1
�/ .
Ar - G
FLOW
1
1.5' L 9' "mi
NOTE:
�1R MIN. REVERSE GRADIENT 0 = 3' MIN., 5' MAX.
w = 10' MIN., 20' MAX.
A -A
MINIMUM SIZE - 1800 CU. FT. OF STORAGE VOLUME
FOR EACH ACRE DRAINING TO THE TRAP
TEMPORARY SEDIMENT TRAP
i
e %
� srm nsr EACN coRNER
O RFAR YARa whoa �Aa aRNN
REAR YARD STORM SEVER STRUCRAiE
REAR YARD CATCH BASIN INLET PROTECTION
UNDISTURBED VEGETATION
DIVERSION
1 �
1,
0 I
GEOTEXTILE FABRIC
O �s ��s
'_� �''
III IN % DOZER TREADS CREATE at, s i^!
GROOVES PERPENDICULAR TO �Y
SLOPE DIRECTION
HORIZONTAL SLOPE GRADING
WIMCO ROAD DRAIN
IU:19r1: aI96Z619IIIIIl_ lot ��
PROJECT ENGINEER
DEVELOPER:
CI TY:
NPDES OFFICER:
CONTRACTOR REPRESENTATIVE:
CONTRACTOR SUPERINTENDENT
F. POLLUTION PREVENTION MANAGEMENT MEASURES
The s Permittee shall implement the following pollution prevention ) P 9 management measures on the site: P P 9
1.Solid Waste: Collected sediment, asphalt and concrete millings, floating debris, paper, plastic, fabric, construction and demolition debris and
other wastes must be disposed of properly and must comply with MPCA disposal requirements.
2.Hazardous Materials: Oil, gasoline, paint and any hazardous substances must be properly stored, including secondary containment, to prevent
spills, leaks or other discharge. Restricted access to storage areas must be provided to prevent vandalism. Storage and disposal of
hazardous waste must be in compliance with MPCA regulations.
3.Extemal washing of trucks and other construction vehicles must be limited to a defined area of the site. Runoff must be contained and
waste properly disposed of. No engine degreasing is allowed on site.
4.Concrete washout onsite: All liquid and solid wastes generated by concrete washout operations must be contained in a leak -
proof
containment facility or impermeable liner. A compacted clay liner that does not allow washout liquids to enter ground water is considered an
impermeable liner. The liquid and solid wastes must not contact the ground, and there must not be runoff from the concrete washout
operations or areas. Liquid and solid wastes must be disposed of properly and in compliance with MPCA regulations. A sign must be
installed adjacent to each washout facility to inform concrete equipment operators to utilize the proper facilities.
G. FINAL STABILIZATION
The Permittee(s) must ensure Final Stabilization of the site. Final Stabilization requires all of Parts IV.G.1 -5 or Part IV.G.6:
1.Final Stabilization requires that all soil disturbing activities at the site have been completed and all soils must be stabilized by a uniform
perennial vegetative cover with a density of 70% over the entire pervious surface area, or other equivalent means necessary to prevent soil
failure under erosive conditions.
2.The Permittee(s) must ensure that the permanent stormwater treatment system meets all requirements in Part III, C. This includes but is
not limited to, a final clean out of temporary or permanent sedimentation basins that are to be used as permanent water quality
management basins and final construction or maintenance of infiltration basins. All sediment must be removed from conveyance systems and
ditches must be stabilized with permanent cover.
3.Prior to submission of the NOT, all temporary synthetic and structural erosion prevention and sediment control BMPs (such as silt fence)
must be removed on the portions of the site for which the Permittee is responsible. BMPs designed to decompose on site (such as some
compost logs) may be left in place.
4.For residential construction only, individual lots are considered finally stabilized if the structure(s) are finished & temporary erosion protection
and downgradient perimeter control has been completed and the residence has been sold to the homeowner. Additionally, the Permittee must
distribute the MPCA's "Homeowner Fact Sheet" to the homeowner to inform the homeowner of the need for, and benefits of,
permanent cover.
5.For construction projects on land used for agricultural purposes (e.g., pipelines across crop or range land) Final Stabilization
may be accomplished b returning the disturbed land to its reconstruction agricultural use.
➢ P ➢ g P 6
6.A Permittee may terminate permit coverage prior to completion of all construction activity if an of the following conditions are
met in addition to Part IV.G.2 through Part IVG.3 and where applicable, Part IVG.4 or Part IV.0.6.
a. Construction activity has ceased for at least 90 days.
b. At least 90% (by area) of all originally proposed construction activity has been completed and permanent cover established
on those areas.
c. On areas where coustruction activity is not complete, permanent cover has been established.
NOTES: 1. FILTER AGGREGATE TO BE 3/4" CLEAR ROCK.
2. 1 /2" X 1/2 )l WIRE MESH.
FILTER AGGREGATE
CURB INLET
GRATE
WIRE MESH �
RUNOFF WATER ,_�. f 0
o ° o o c
SEDIMENT
d e
4 a .
wmmm� lll� III
Q NQ
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ADDITIONAL
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WIMCO ROAD DRAIN
IU:19r1: aI96Z619IIIIIl_ lot ��
PROJECT ENGINEER
DEVELOPER:
CI TY:
NPDES OFFICER:
CONTRACTOR REPRESENTATIVE:
CONTRACTOR SUPERINTENDENT
F. POLLUTION PREVENTION MANAGEMENT MEASURES
The s Permittee shall implement the following pollution prevention ) P 9 management measures on the site: P P 9
1.Solid Waste: Collected sediment, asphalt and concrete millings, floating debris, paper, plastic, fabric, construction and demolition debris and
other wastes must be disposed of properly and must comply with MPCA disposal requirements.
2.Hazardous Materials: Oil, gasoline, paint and any hazardous substances must be properly stored, including secondary containment, to prevent
spills, leaks or other discharge. Restricted access to storage areas must be provided to prevent vandalism. Storage and disposal of
hazardous waste must be in compliance with MPCA regulations.
3.Extemal washing of trucks and other construction vehicles must be limited to a defined area of the site. Runoff must be contained and
waste properly disposed of. No engine degreasing is allowed on site.
4.Concrete washout onsite: All liquid and solid wastes generated by concrete washout operations must be contained in a leak -
proof
containment facility or impermeable liner. A compacted clay liner that does not allow washout liquids to enter ground water is considered an
impermeable liner. The liquid and solid wastes must not contact the ground, and there must not be runoff from the concrete washout
operations or areas. Liquid and solid wastes must be disposed of properly and in compliance with MPCA regulations. A sign must be
installed adjacent to each washout facility to inform concrete equipment operators to utilize the proper facilities.
G. FINAL STABILIZATION
The Permittee(s) must ensure Final Stabilization of the site. Final Stabilization requires all of Parts IV.G.1 -5 or Part IV.G.6:
1.Final Stabilization requires that all soil disturbing activities at the site have been completed and all soils must be stabilized by a uniform
perennial vegetative cover with a density of 70% over the entire pervious surface area, or other equivalent means necessary to prevent soil
failure under erosive conditions.
2.The Permittee(s) must ensure that the permanent stormwater treatment system meets all requirements in Part III, C. This includes but is
not limited to, a final clean out of temporary or permanent sedimentation basins that are to be used as permanent water quality
management basins and final construction or maintenance of infiltration basins. All sediment must be removed from conveyance systems and
ditches must be stabilized with permanent cover.
3.Prior to submission of the NOT, all temporary synthetic and structural erosion prevention and sediment control BMPs (such as silt fence)
must be removed on the portions of the site for which the Permittee is responsible. BMPs designed to decompose on site (such as some
compost logs) may be left in place.
4.For residential construction only, individual lots are considered finally stabilized if the structure(s) are finished & temporary erosion protection
and downgradient perimeter control has been completed and the residence has been sold to the homeowner. Additionally, the Permittee must
distribute the MPCA's "Homeowner Fact Sheet" to the homeowner to inform the homeowner of the need for, and benefits of,
permanent cover.
5.For construction projects on land used for agricultural purposes (e.g., pipelines across crop or range land) Final Stabilization
may be accomplished b returning the disturbed land to its reconstruction agricultural use.
➢ P ➢ g P 6
6.A Permittee may terminate permit coverage prior to completion of all construction activity if an of the following conditions are
met in addition to Part IV.G.2 through Part IVG.3 and where applicable, Part IVG.4 or Part IV.0.6.
a. Construction activity has ceased for at least 90 days.
b. At least 90% (by area) of all originally proposed construction activity has been completed and permanent cover established
on those areas.
c. On areas where coustruction activity is not complete, permanent cover has been established.
NOTES: 1. FILTER AGGREGATE TO BE 3/4" CLEAR ROCK.
2. 1 /2" X 1/2 )l WIRE MESH.
FILTER AGGREGATE
CURB INLET
GRATE
WIRE MESH �
RUNOFF WATER ,_�. f 0
o ° o o c
SEDIMENT
d e
4 a .
wmmm� lll� III
Q NQ
"A� �
ae .
ADDITIONAL
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JOEL G. COOPER, P.E. - JAMES R. HILL, INC.
MARK SONSTEGARD - LAND DEVELOPMENT MANAGER - RYLAND HOMES
PAUL OEHME - PUBLIC WORKS DIRECTOR /CITY ENGINEER - CITY OF CHANHASSEN
TEDDI SEIBRING- TROFIN - MPCA
TO BE DETERMINED
TO BE DETERMINED
(952)-
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JOEL G. COOPER, P.E. - JAMES R. HILL, INC.
MARK SONSTEGARD - LAND DEVELOPMENT MANAGER - RYLAND HOMES
PAUL OEHME - PUBLIC WORKS DIRECTOR /CITY ENGINEER - CITY OF CHANHASSEN
TEDDI SEIBRING- TROFIN - MPCA
TO BE DETERMINED
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DATE
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REVISIONS
CAD FILE
21996 -22ERD
PROJECT NO.
21996 -21
2.1
2 EACH
TYPICAL PROTECTION AROUND
BACKYARD CB'S
(INSTALL IMMEDIATELY AFTER
CB INSTALLATION)
TI r I/,r'
/_YL / SL_ W_ YL _N_ / SY_ _W_ _YL AY_ AY_ _YL _YL AL _W_ _YL _W_ SY_ _W_ _YL SY_ SY_ _YL _YL a4_ SL_ _YL _YL SL_ _W_ ` _W_ _ I / �•
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/� Flu�� �lu��� �lu� �„1�� ����� �lu� �lu��
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/ SQ SIL /SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL IL / �� SIL SIL SIL SIL SIL SIL/ SIL S{. \ ` \ - M
S \ r I
4111&- L1 �lllllg ->ll �llu� �Llu� �� � �1W1� �llll� / W� �W� -%=- _hlll� -lug L1u/� 4!� -hLw = \ \ l � � .� -ww'- _hLwk- �llll� -AWll 4=J �liu� �\W /• \ .J \ \ \ ♦ I
/ � 13 \ 0 �, / / / :. NOTES.
AL AL AY_ _W_ AL _W_ AY_ [� ` W�_ A L a4_ a4_ AL AL a4_ _W_ _YL _YL AY_ _W_ AL a4_ _W_ AL AL AL_ _W_ AL a4_ a4_ AL AL SL_ / _W_ TW 894.0 s / / \
SIL SIL SIL S/ SIL SIB..✓ SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL L \ SIL SIL SIL SIL SIL SIL SIL B 7 • /• / \/
-lug 4"l-k- �� �lu� 4LWL� 4=w �� �� �� �u,<
S INGLE N GLE TIER RETAINING WALL, / . / /� / ��� \ \,9 / ' @ / /' \� \ � 1 . CONTRACTOR SHALL PROVIDE
AL AL AY_ _W_ AL _W_ AY_ _W_ AL AY_ AY_ AL AL SV _W_ AL �W_ SID_ _W_ AL AY_ _W_ AL _ L S� _W_ �� _W_ , o _W_ (CONTRACTOR TO PROVIDE C�
/ SIL SIL SIL SIL SIL SIL SIL 1L SIL SIL SIL SIL SIL SIL S SIL SIL SIL SIL SIL SIL SIL SIL SL .dL SIL SIL �'L S Y - DESIGN BY OTHERS) , / / ' / - , ? �,� ��,'� . / �� \
Y (J � � -lug �� �lu� -N=1- �� �,u- �,u� Y , J � �L _w,u� �� �lu� _lug Y ( J - �� -A-we- 4&W&6- �� _ Z- -A-W-/Z- �� �lu� -NMW = =� EROSION C 0 N TR 0 L PROTECTION
_Y AL SY_ _W_ _d _W_ SY_ _W_ AL SL_ SY_ AL AL SL_ YL Al- SY_ _W_ AL SY_ SY_ _YL AL 1- �Y_ I }�' / Y SY _W/ I TiL\ SY_ SY_ /�L I ® I °9
SIL SIL SIL SIL SIL SIL SIL SIL SIL 1 SIL SIL SIL SIL SIL SIL SIL SIL SIL S1L SIL I S1J/ I 11L SILL SIL SIL SIL SIL S1 / \ I O \ • �O • 21 . 7
�\w �\w � � 4�� 4LW1/ 1� -%W�/ 4LW�/ & STINd'WETb ND ' ,`
_ L
AL AL _W_ L _N_ SY_ _W_ AL aY_ aY_ AL SY_ _W_ AL W NO WETLAND IMPACT I
SY_ SY_ IL _YL _W_ AL AL SY_ _W_ _YL aY_
SIL SL
SIL ` I/ �SL I SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL SIL r SIL SIL SIL SL
-11u 41W1� (� �� 4llll� alll/� �� �� -llll� � / �� -lll� �� �� (31 8, 424 S.F.) 11� �1111� -llll� �� � � 31ll1� �� �� /
�1111� allll� �� �� - 11 v ' / Q� L" ln/ ' / / / V O O• f '^ ' \ ,� I /'
AL AL Ay_ _W_ _YL _W_ AL AD- aY_ aY _YL AL AY_ _W_N • G. _W_ _W_ w_ _W_ AL !b_ aL_ .Wc / AL Ay_ _W_ AL AL / AY_ _W_ AL // TW
p Q• O I /� -!' / / (��\ I / I \ \� A
SIL SIL SIL SIL / SIL SIL SIL SIL SIL SIL SIL SIL SIL
6 b,1 SIL SIL SIL S [ • • G • SLC - SIL _ a SIL SIL SIL SIL SIL L SIL SIL ' /�, I✓,/ B 87 V • 7 y � % l \� s - , J I \ I �!/ I �A • K
� � -11ll - Z/ �� _Ww&- -N\ u� j1Wl� �� �iu� �1u� �� � � -Alin Im/� 411u/ -A-w�/ N 6 ' o
� � 1LUR< �� -luu � �� /a>u� 4L>u� �� / v
/ / I I I `
AL YL _ JY_ W_ W_ - - - - - - - - - - �L- -W- AL / _YL JY_ _W_ '' / C �\ I• I I /.
IL SIL SI / L L SIL SIL _ {y�'��`},/� SIL SIL SIL SIL SIL SIL SIL ` _ Sly n /6IL SIL SI ) W 87V.
�w �/� -syu� TWA! - �1wL� �11T -� /< -1utk- -AU -1!W /< �� ��uJ� - - I � \ \ ... \` \` _ _ \ V V
_YL _Y✓ 5 J'Y_ _W_ L _W_ JL. _QL Ay_ Ay_ AL AL W_ �/ V 4 o , o
SIL SIL/ SIL SIL IL SIL JL SIL SIL SIL N. SIL / /�
�/. -N 1w � � � �lu� � �L< „1uk- -AU �65.6,L� , 63.OX 63.5 � � TW 8
Y- p .5�
L L _W_ AL _N_ _ _YL AY_ AY_ _YL _ , R 6 W 878 1 O •/ / / / / / / / / / , \ I 2 C:
SILSL SIL SIL SIL L SIL SIL SIL SIL V
�llU< -imu!L -9-41k � -9wu -9-41k -1u,< ATION AREA #1W0 63.0 MITIGg ,�.�.��;�:�:�� \ c�� "' g�, -- \ / / / / l,^� / p O/ . / / / 6 ✓\
_YL AL SL_ _YL _W_ AL a4_ a4_ _J, X �� \�\�`= •. I_UR�T ~~� / / e / / O / / / �� / � (�
SIL SIL T, ( ] IL IL SIL 11L SIL SIL SIL , / K 0 L E 8 6 5. 1 \ _ yt• ° J `
lyJ � 100YR.HWL 865.4 5'
-91L 8' .o \ .. •''` 6 ° y�p�g /off'` / / / D �
,�,< sum , ,< �ht N.G. ,� / f �w 876.7 �iB ,�. \ ao�5 o�Q y / / l 6/ / / l
_YL _IL aY_ _W_ AL _W_ _W_ AL , 165.6 A V. 18 464 S.F. p
SIL / � SIL SIL V SIL SIL SIL/ \ SIL / BW 872_ '/ / j' O,J� j / / /\ /� / // \� ` �/ / - /'�' ` \ g✓ `
�llll xmLuk- / -�LllUt L1ll65- LSfll/< -u\W &- %< L1lil/ - < ' _ 9 / / / / / l •� / \ , Uj `9� GF
AL SL_ _W_ _W_ _W_ / _YL a4_ � / � ^ � ` Q
11� SIL SIL SIL SIL SIL 11t SIL
-NMLUL� -NLUIL� 4kW„ 4LUIL� ,sUIL� ,AwL </ ,< / a6� _ - 1 ` �° Q
U ,
AL AL AD- SIL SIL SIL _ SIL S� Jz 4p / 63 86 `- 9 >. o �.• f / �p , <I%y
_YL AL a4_ _N_ / SY_ _W_
SIL SIL S SIL SIL SIL SIL 1 I \ �� // \• �` / / / 19 , o
�� �� �1>1' �� �1_� ��� �� � , > ��� ia - - / / � �"' - Q� �' Cj�" / 015 /' / / / / / ` `` 21 � ,A , , , \ •��
AL AL a4_ AL _W_ I SL_ -W-
I 1(�� �1(�� / /�� / / x ,886 - - - � $� / `\_ - - - - � \ � >� �``9�`'I QQ�� / '� 1• �/ / _/�/ / / / / \ � � � / / �Q� ��
AL AL AL _W_ \ SY_ - 588 _W_ / / / / / / �. - - OF
SIL SIL SIL SIL SIL 11 \ �C
-NluL / 20 BCOD GRADING
Y SIL Y �� - - -
.1,25 MITIGATION BUFFER AREA LIMIT LINE - _ -
\ / may\
(15,303 S.F.) / 0
AL _L 5:1 MAX. SLOPE /
SIL SIL SIL SIL SIL SIL 1 SIL / / / / / / / / / / a
9 0ua
AL AL AY_ _W_ AL _W_ SID_ _W_ KI (
SIL SIL SIL SIL SIL SIL L \ o o� r �
I I I / / / / / / f" O - �� o . oYq� y \ c� \ �' �, L I I I � ` -106 / I'
�� �� -A-wiz- �� �� 4m=- ���
AL AL AL _W_ AL _W_ SV_ _W
I � I I � t
SIL SIL SIL SIL I I
SL SL S i O I I I I I I / / / / / / /� 'gp8- O -/ \ \ \ \\ \ • /` \/ I \ I O• (o
�lu� '� I R E Op I w 39.85
G
/ ( I I III (/ / / / / �( _91 0, - - - - c� �- ®,.� �\ \ ��► I I I , ck� � 16.7 co G� J 38.35
AL AL SY_ _W_ AL _W_ .JY_ _W I I I I I I I I I I I / / / / I � `'J - �� / \ \ \ \ \ O� \ b' O \ I \ 1 �/ /" / I\ 2 3 - J G
SIL SIL SIL SIL SIL L SIL I 1 I L v /r•
�� � �>u� 40' BCOD BUILDING \ \ \� j cr 1 39.20
AL AL AY_ _W_ AL _N_ \ AID- I SETBACK LIMIT LINE A �. \
SIL SIL SIL SIL SIL SIL SIL ^ I / -/ / I : '• .''
\ ro I I I I I I I I I I I i I l
_ _W - �� - / � I I I I l \ \ \ I I +� / / s�� \ \ \ -,���� g°9 • / / S� . A > 39.8
S
AL AL au_ _ AL _W_ au_ ^ /y� % `}-/ / \�■ ' / \ �
SIL SIL SIL SIL SIL f- S I I I I I I I , , \ \ \ \ ` • V `•' / •" I / 9' " 1 / / �O� `
-1u/ I I BLUFF CREEK \ - / \ 4 \ / / � �� /GF / 5 17.4 t� /
AL AL _W_ AL OVERLAY DISTRICT
SIL SIL SIL SIL SIL SIL
/
LINE (BCOD) 06.6 >
// 1 6 �� \ \\ \ , - / ` - - -,/^ O \ ' \ _ \ / 1 G
AL AL S
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AL AL SL_ _W_ AL XY_ _W_ [((t'+{-,- .�I�Jy U? I
SIL SIL SIL SIL SIL SIL u 124
i 1 / /@ I I I '� \ \ \ � 5 _ � , � � $
L <� �,u� , ;86 ,�,u� I I \\ I I I I \ \ I \� I I N _ 1 8 " 915 / / 9 3• 2�. \ RE ST -1
SIL
YL _YL SL_ AL _W_
SIL SIL i SIL SIL IL - I c�
• � 3.7
/ � / I ay \ � 2
i�2� > Lo
� \ \ � � / I / o / 16 / �F/ ��• / \ 23.0 do 934.0
I I I I rn - ._ c� \ e) - r /
AL / AL aL_ _W_ AL _W_ � N , ;
SIL IL SIL SIL SIL 1 � /
15\ /
�L< �� ��L< �L< �(�� > , / / / - L +pxN � 22.4 � � n I � 1 o / I // N �
1ry� c� ap \ 16 ` 9 s •1 is� �i \ \ \
AL AL SL_ _W_ AL _W_ � � g21 1 / ^
SIL SIL SIL SIL SIL I � V �
\► 25
AL AL AL _W_ AL _W_ / ' r ! '� W I TI O / / / I I L /� I / \ § �Z9. 5�
SIL SIL SIL SIL SIL / M \I �I y' �J V I � ' I I I � Q N � •
00 w �� 4 I I o /
AL AL aL_ _W_ AL /
(.r Co J 1 CA W O O I I I J h \ n \ \ \ / \ \ \ �.A
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SIL SIL SIL SIL SIL / V
T
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AL AL a4- -W- -Y ,' P 0 N D 2 0 I �' \ \
I I I 2�. J I ��'° 19.2 o N 0 aoI / / • / / \ \ \ \ A \ \ % j /::;;
OLE 866.51 1 \ 1 -
100YR. H WL 870.0
AL / // �r AL , W I Y ` \ • //\ \ 1 , J
I / I / �1�
N loo / I I oo co I I N / S 03 N _ / �, 01 W c� 1 4-
_YL SL_ F (o L l i I * J I I �- W 3 X19 8 i J / l w N
SIL SIL S 01 / ` ► I co O . Nr \ l _
3 ° I t° I '` I �/ /� �� v I ^ I \ - - /I G / zs.ss 27.99
99 ,
\ L AID-
ao 00 1 11 I =• I I I I I I I - -20.5 I co
\ SIL �! ; I / I I I I I I '7:4� � W �.•., / rn \ n I \ W � \ _•� / / I I / .��� � � � ��' � ` ;; � ;/ � �'•
N U ' a , _ �/ 8:34 I X31.6
Co Lo�
\ \ \ \ \ \ \ z •� // // I I I J I + to W I n 3 ? - ? /
\ \ \ \\ \ \ \ \ , DL�j���•- C e� �/ c '� I' I I I �p I I / I y � �I G '�\ IE= 937.37 ;_�',
I wj
\ \ \ // / /�// /_ I I °'� 28. -- - -- I I I // '�- J � G G G F 931.60) °)
\ 22.5 _ 9
- - , y Q O I .r n / ��' / \ 9 •.\ll „ � -, �0 > „Its- = \ll - � - - - - - 31 .8 0 AID- 13
JIL 11. _ .SIL. _ IL
I I N / , 24.0 / k-)
I I 25.8
-$ so_ (oI I ;� _ 9 ST -105 / ' I
/ ONl / l 1 N
co I �8 e -,1 - 1 `� 3 �6 ` LF 92
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f \ / I I I - / `� 1
RE= 10.88 / F�SC. S I I (:OI \ 31 8 g , Oj / ^ ,/.
`\ ,`� � - ---- - - - - -- - W7 ST -101 E= 3 I I N -- - - Cr? -I / n'�Q ---X
� 905.75( \ \ / /� >'' �•`` - ? J5 aI
/ // I I I T -sB�aH
( ` -f�E =924.2 _ _ _ / , . / / E _
E- 04. ROP BEGIN CONST. �
886,2-7 = 905.36(N)� / �,/ // )/ _ �� 0 +59.00 W7 - I 19
9 934
- I (� -
- E - S - - - I
- - -- - _ - N - �E -- � - -�- _.� - -- - - -
- ii CJ \ IE = 40 N - - _C 3 �- - - - - _ /' ` X I I
EX ��� � / +�� L� 924 35 16 �
Q - - -- - - - - - -- IE 900.6 N -��- -� - � `- `� \
Rcp /' - _
00 - - -_ EXr - -- - - - -- ------ - - - - - - - -- _ i -- - -- -- - r .�\ �, „
2 -
cv \ E _ - // - - - -- - -- - - - -- ------------ -- ---------- -
'
5 --- ------- - - - - -- -- - - - - -- -� - - -- - - - -- ---- - - - - -- - -- ------------- - - - - -- ----- - - - - -- - -- % \
\ \f PI/C -- - - - - -- --- - - - - -- - -- - - -- - - - EX 24 E < EX. 15 RCP 5 „ -r., ..'</ / e
SqN
- --
O - - -- - - -- - - - -- - -- --- - -- - -- - - -- - = iii tK � "
�� EX. 1 R P
" RCP
„
EX 15 RCP I
s� x
=�. EX. 8" PVC SAN.
vq
J
a p ^nI 41
- J
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e
-:._ --- - - - - - - -- - --- - - - - -. _ _,� EX. 8 PVC SAN. __ �,_y - ° .� -- -- -- - -- -- - -s,_� -- - _-� -- - -- -- - - - - - -- - - - -- -
_ .,..... a. �. -_ __ ____ ___ _`L _ __ __ __ ___ __ _ 1 may`
----- - - - - -- ---------- - - - - -- �� .1 � � „_ �(.. \
r I VN 1 EX. 12 DIP WM /
EX. 12 DIP WM
0 / \ \ \ \
- _________ _ -- - - --- - -- - - - - - � --- - - - - - - - -- - - - - - - --
- ----- - - - -- ------- - - - - --
O i \ \ \ \ \\ � � �_.___ ______ _____________________________________ ___� � _ _ ____- ______________- ___________ _ _____ - ___ _ _ -- -�.. `���
\ \ i` _ -- - - - - - - - - - - - - - - - - - - - __ �` � i`. °+•
\ \ \ \ \- - --- - ---- - - - - -- I•' \ // ,�- /_ / - - _ _ -_ "� \ ♦�
\ \ \ \ \ \ `
IE =90
\ ------ - - - - -- ., EX. BMH X. SSMH EX. CB \ \
\ \ EX. SSMFF- - \ EX. CB / / /EX. 15 RCP \ I / BLUFF CREEK BLVD RE= 935.54 J RE =93 0 IE =90
RE :
\ \ / L` RE- 924.54 - _ /
\ = 911.62
RE 2 , > r E�9f?2.04 S /
886. 3(E) I I IE =90 23 // EX CB 1 Eww 15 RCP f - / JE= 901.94 (N) 933.23
I L�� I �y . / / IE917.27( �" - - y� 0 \ \ _
I =886.03(S(/A / RE= 923.81 ,, - - - - / / w I, �'R 12 z "
/ \ ? EX. 4mh T n / I / \ \ /
\ \ \ J = (�) ' - I III I / II L' ' I T I I n - I \ I� \ + -4 / \ / / - - - - - - - \ , ,:`.q Cn
6 881.45 / RE .9 r - L \ s -
/ IE- 919.16 III i _� Z� \ \ � Q /
N \ IE= 89.48 DROP/ f _ J _ - - J 18. - -f_ r= y=7 - / / - �, c�
\ _ - _ g18�COMMONWEALTH -� °I ITS - -`7i8 I �- - - >�2 ` �� � _ I I - - \ \ o \ F l I
- III II I� 911 Ft( ) II OJ / `J \ J - I I(
\ \ I / / I III II II __ \�\ I / > ° :'I ` '�: �t.. _...I II I EX. CB H
I \ \ \ I I / / / / I /' BLVD III I I I�� ' ';_ -- -- r _ - -�$' \ 1 1`111 `( .;� II'�
\ \ \ I I I I / I If�I II /h -- = s�= _�� - =1 `1 /1/ 8 °� 3g-u L I I I III r I RE- 935. I
N III I F I O N I I I 1 11 1. X •F� % MIN
FOR ALL TEMPORARY TOPSOIL
STOCKPILES LOCATED ON -SITE.
2. BLUFF CREEK IS AN IMPAIRED
WATER FOR TURBIDITY AND NO
DISCHARGE WATER WILL BE ALLOWED
TO THE CREEK OR TO THE FRINGE
WETLAND
LOT DATA
LOTNUMBFR
BLOCKNUMBER
FRONTPADSEMACK
1
1
25
2
1
25
3
1
25
4
1
25
5
1
25
6
1
25
7
1
25
8
1
25
9
1
25
10
1
25
11
1
25
12
1
25
13
1 1
25
14
1
30
15
1
30
16
1
30
17
1
30
18
1
30
19
1
30
20
1
30
1
2
25
2
2
30
3
2
25
4
2
25
5
2
25
6
2
25
7
2
25
8
2
25
9
2
25
10
2
30
11
2
30
12
2
30
13
2
30
14
2
30
15
2
25
16
2
30
17
2
30
18
2
30
19
2
25
20
2
25
21
2
25
22
2
25
23
2
25
24
2
30
25
2
30
26
2
30
27
2
30
28
2
25
29
2
25
30
2
25
31
1 2
25
32
2
25
33
2
25
z
SCALE IN FEET
0 50 100 150
1 inch = 50 feet
BENCHMARK
BM 1: R.R. SPIKE SOU
POLE WEST OF
PIONEER TRAIL
BM #2: TOP ALUM R/N
PROPERTY LINE
ELEV.= 913.67
TH FACE OF 1 ST POWER
DRIVEWAY - N. SIDE OF
- ELEV.= 910.34 NAVD 88 DATUM
MONUMENT @ SOUTH
ON PROPOSED R/W LINE.
NAVD 88 DATUM
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DRAWN BY
CJK
DATE
9/9/11
REVISIONS
CAD FILE
21996 -22G
PROJECT NO.
21996 -21
3.1
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I all_ iz, \ BW 87817 PIPE TO BE REMOVED ,O /
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r \ I WITH GRADING / / / /�/ / / // � / -� '\ N
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W W W \ / \ `\ \ \ a � \ \ �/ \ \
SIL SIL SIL Sal / SL SL SL all_ all_ SIL SIL all
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11 \ \\ \ \
all_ SIL all_ 11L L 'L 11L 11L 11L AIL 11L SIL � - •/ J
\ SINGLE TIER RETAINING WALL -` B 7 .o / 2 \ \ c� / / \ I \ \\ \ �SZ�`
aY_ _YL \\ ,. >\\
X11 1111/ < ����` � < <�CONTRACTOR TO PROVIDE u,< � l�/ l � C� I ^� 1 �iG / ® / �� \ °� \ \\ \ \ \\ \o \ \ ` \`, � ` \`; `,� \ \ `moo \ \ \\ \ \ / \
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\ \
dlt SL SL �SIL 1 / / t•• \ � ` \ \ \ \\
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SL SL SL SL 1L / } `DESIGN BY OTHERS) _
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NOTES:
1. CONTRACTOR SHALL PROVIDE
EROSION CONTROL PROTECTION
FOR ALL TEMPORARY TOPSOIL
STOCKPILES LOCATED ON -SITE.
2. BLUFF CREEK IS AN IMPAIRED
WATER FOR TURBIDITY AND NO
DISCHARGE WATER WILL BE ALLOWED
TO THE CREEK OR TO THE FRINGE
WETLAND
LOT DATA
LOT NUMBER
BLOCK NUMBER
FRONT PAD SEIBAC K
1
1
25
2
1
25
3
1 1
25
4
1
25
5
1
25
6
1
25
7
1
25
8
1 1
1 25
9
1
25
10
1
25
11
1
25
12
1
25
13
1 1
25
14
1
30
15
1
30
16
1
30
17
1
1 30
18
1
30
19
1
30
20
1
30
1
2
25
2
2
30
3
2
25
4
2
25
5
2
25
6
2
25
7
2
25
8
2
25
9
2
25
10
2
30
11
2
30
12
2
30
13
2
30
14
2
30
15
2
25
16
2
30
17
2
30
18
2
30
19
2
25
20
2
25
21
2
25
22
2
25
23
2
25
24
2
30
25
2
30
26
2
30
27
2
30
28
2
25
29
2
25
30
2
25
31
2
25
32
2
25
33
2
25
Z
SCALE IN FEET
0 50 100 150
Niiiiiii
1 inch = 50 feet
BENCHMARK
BM #1: R.R. SPIKE
SOUTH
FACE OF 1ST POWER
POLE WEST
OF
DRIVEWAY - N.
SIDE OF
PIONEER TRAIL
- ELEV.= 910.34
NAVD 88 DATUM
BM #2: TOP ALUM
R/W
MONUMENT ®
SOUTH
PROPERTY
LINE
ON PROPOSED
R/W LINE.
ELEV.= 913.67
NAVD 88 DATUM
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DRAWN BY
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DATE
9/9/11
REVISIONS
CAD FILE
21996 -22G
PROJECT NO.
21996 -21
9
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NOTES:
1. CONTRACTOR SHALL PROVIDE
EROSION CONTROL PROTECTION
FOR ALL TEMPORARY TOPSOIL
STOCKPILES LOCATED ON -SITE.
2. BLUFF CREEK IS AN IMPAIRED
WATER FOR TURBIDITY AND NO
DISCHARGE WATER WILL BE ALLOWED
TO THE CREEK OR TO THE FRINGE
WETLAND
Z
SCALE IN FEET
0 50 100 150
1 inch = 50 feet
BENCHMARK
BM #1: R.R. SPIKE
SOUTH
FACE OF 1ST POWER
POLE WEST
OF
DRIVEWAY - N.
SIDE OF
PIONEER TRAIL
- ELEV.= 910.34
NAVD 88 DATUM
BM #2: TOP ALUM
R/W
MONUMENT ®
SOUTH
PROPERTY
LINE
ON PROPOSED
R/W LINE.
ELEV.= 913.67
NAVD 88 DATUM
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DRAWN BY
CJK
DATE
9/9/11
REVISIONS
CAD FILE
21996 -22G
PROJECT NO.
21996 -21
/ / \ \ / / / / / \V
�� X\
\
NOTES:
00#0 1. CONTRACTOR SHALL PROVIDE
,/ /- / / , , , , / \ /�� ; / EROSION CONTROL PROTECTION
ll `I FOR ALL TEMPORARY TOPSOIL
*000 1
�
TW 904 l ` F � :: �� i / I STOCKPILES LOCATED ON -SITE.
.-u /� /� / / ,' / / / ZBW 895.5 % :!
IL ,, 2. BLUFF CREEK IS AN IMPAIRED
WATER FOR TURBIDITY AND NO
TW 900.0 \ I \ \ 1
B W 890 ( ° (I i l l , ' �� c DISCHARGE WATER WILL BE ALLOWED
TO THE CREEK OR TO THE FRINGE
4040 , , ' '\ \ \ \ \� WETLAND
:f: \ \ c�
TW 8 9 2.5 , /
J/ tit BW 87904 / ,� /� \•\ \ \ ` \\ \�
TW 888.5 / 16: • / / \ , C
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DRAWN BY
CJK
DATE
9/9/11
REVISIONS
CAD FILE
21996 -22G
PROJECT NO.
21996 -21
3.4