Response Letter 7-30-19SATHRE.BERGQUIST, INC.AUG 02 20t9
150 SOUII{ BROADWAY WAYZAIA, MINNESOTA s5391
TEL:(952)47tu&m FAX:(952X74104
wEB:wwW.SAI1IRE.C0M
CITY OF CHAIiIHASSEN
RECEIVED
CHANHASSEN PLAJil'llilG DEPI
Bob:
July 30,2019
Robcn CeDcrous, AICP
Senior PlalD€r
City of Chanhassen
Phone:952.227.1131
wrrw.ci.charhass€o.m&us
Parcel: Moon Vallev Pit
We have preparcd a line by tine rEsponse to yorr egtail. Please let us know ifyou have any
questioDs.
a. Apply for oew IUP with Developent Rwiew Ap?licatioD witb your revised
proposal. rru$.ci.chanhassen.mn.usDoctunentCentcrAy'ie* 1488
Response: See attached Permit.
I ) O,Uiog -oaiti*" $rv€y with crrrrot topogr+hy
Response: See attached pages I through 4
prepared by Sathre Bergquist, Inc.
2) n*b"a crrairg, Ercion codol od storn wrtrr Ple
Response: See attached pages 5 through 8
prepared by Sathre Bergquist, Inc.
3 ) S*fr". watrr fomto" Prevenrio Plo, SWPPP.
Response: See attached Storm Water Pollution
Prevention Plan prepared by Merjent, Inc.
4) n"***io" rm
Response: See attached page 9 prepared by
SCT.I{NET
Sathre Bergquist, Inc
5) fm to "aa.o "p"ot
line stockpilc
Response: The lime will be backfilled in the
excavation as needed. The lifts will be no more
than 12". A minimum of 3 feet of overburden
will be placed on top of the spent lime.
6) tm ror "quip"m rtmora
Response: Terry Brothers plan to store their
equipment on site for the near future. The
equipment will be used intermittently and as
needed. The temporary staging area for Ames
Construction will be used until the highway
construction is complete.
b, cb6€ w op€idin
l) nr"t raO-t qrt "-."t"
Response:
a. All slopes to be seeded and blanketed in
accordance with the Restoration Plan.
b. Atl slopes to be seeded h accordance with the Restoration Plan (?age 9)
and by the direction ofJill Sinclair. Environmental Resources Specialist,
Cilv of Chanhassen 952-227-1133
c. The East side shall be completed and fully resorted prior lo the start ofthe
$adilg ofthe East side.
2) sto.. w*rr sy.r.
Response: The pit currently drains to a large
pond in the center ofthe site. A perforated riser
pipe with a valve is the current outlet. In typical
rainfall events, water is not discharged from the
pond. In large rain events, the valve is opened
and the stonn water is discharged to a
sedimentation basin. The sedimentation basin
outlets under the highway in an existing culvert.
When the site begins final restoration a
permanent outlet structure will be designed.
C. Permits: Copy of permits tom DN& MPCA l,owcr Miancsota Watcrshod, Cancr
County, gtc.
Response: We currently have an MPCA Industrial
Storm Water Permit. The permit is in the SWPPP. I
have emailed copies of the plans and have inquired
with the DNR, Lower Minnesota Watershed, and
Carver County. They have been contacted in the
past and have stated that permits were not required.
If you have ay qwstions, coomenls, or concems, pleag€ cootact me
"t95247660W
o, 612-
741-9830.
Daniel L. Schmi<h PE.
SATHRE.BERGQUSI INC.
Date
CITY OF CHANHASSEN
CARVER AND HENNEPIN COLNTIES
1. Permit. Subject to the terms and conditions set forth hereirq the City of Chanhassen
hereby gmnts an interim use to grade portions ofthe Moon Valley Aggregate site.
2. Prooertv. The permit is for the following described property ("subject property") in
the City of Chanhassen, Carver County, Minnesota:
All that part of Govemment Lot l, Section 36, Township I 16, Range 23, Carver County,
Miruresota, which lies northerly of Flying Cloud Drive;
and,
27 acres in the west half of northeast % south of the railroad and north of Flying Cloud
Drive, Section 36, Township 116, Range 23, Carver County, Minnesota; I acre in
Govemment Lot 3 north ofFlying Cloud fhive being that part ofthe northwest % ofthe
northeast % and the northeast % of the northwest % in Govemment lots 2 & 3, Section 36,
Township I 16, Range 23, Carver County, Minnesota.
3. Conditions. The permit is issued subject to the following conditions
b) Permis fiom the appropriate regulatory agency must be obtained; including but not limited
to the Minnesota Pollution Control Agency, Lower Minnesota River Watemhed District and
Carver Coturty.
c) The applicant must submit a phasing plan.This information shall be submitted annually a
minimum of 30 days before the anniversary of City Council approval.
d) An administration fee shall be collected each year and shall be based on the number of cubic
yards of material being graded as identified in the phasing plan. The fees are taken from the
Uniform Building Code Appendix, Chapter 33.
e) The applicant must submit a summary of the quantity of material that has been removed from
the site and the quantity of remaining material. This information shall be submitted annually
a minimum of 30 days before the anniversary of City Council approval.
f) Grading on the east side of the creek must cease at or above the 756-foot contour; this must
be reflected on the next plan submittal.
INTERIM USE PERMIT #??????
a) The interim use permit shall be approved for a period often (10) years from the date ofCity
Council approval. The applicant will need to request a formal extension 60 days prior to the
expiration date ofthe interim use permit.
I
g) The applicant must provide the City with a cash escrow or letter of credit in the amount of 1 10%
ofthe construction costs for the appropriate phase ofthe gmding operations to guarantee erosion
control measures, site restoratioq and compliance with the interim use perrnit The amount of
the security shall be established annually and shall be submitted by the armivenary date of City
Cormcil approval.
h) Permitted hours of operation will be 7:00 a.m. to 6:00 p.m., Monday through Friday, and
9:00 a.m. to 5:00 p.m. on Saturday with no work permitted on Sunday or legal holidays.
i) Grading on the east side ofthe creek must cease at or above the 756-foot contourand all
disturbed soils must be permanently stabilized and restored in accordance with the
Restoration Plan as specified in the Grading, Drainage, and Erosion Control Plan dated July
29,2019.
j) If the excess material is hauled to another site in Chanhassen, a separate grading permit will
be required for the other property.
k) Type II, reinforced silt fence must be installed and maintained at the northwest comer of
project, and in all areas specified in the Grading, Drainage, and Erosion Control Plan. Type II
silt fence must be reinforced using sediment logs, wire-backing, or other effective Best
Management Practice.
l) Exposed, rmworked soils must continue to be stabilized with temporary or permanent
stabilization BMPs in accordance with the construction sequencing as stated in the Grading,
Drainage, and Erosion Control Plan.
m) Exposed, unworked erodible soils with positive slopes mus continue to be stabilized using
erosion control blanket or altemate effective BMPs according to the Grading, Drainage, and
Erosion Control Plan.
n) All other sediment and erosion control measures must be in place and maintained according
to the Grading, Drainage and Erosion Control Plan dated July 29,2019.
o) , and phasing plan to be submitted by applicant.
p) Tree preservation fencing must be installed at the edge of grading limits.
q) No tree removal is allowed beyond the 756-foot contour on the east side of the creek.
s) All restored slopes shall be planted with trees. The trees shall be bare-root, native species,
one-half to one-inch in diameter, five to ten-foot spacing in a random pattern from the top to
the toe of the slope. The approximate number of trees needed is 20,000 (7' x 7' spacing).
2
r) MnDOT Native Mix 340 must be used for the seeding.
Spacing (feet)Trees per acre
5x5 1,742
6x6 1,210
7 x7 889
8x8 68t
10x10 436
t) A driveway access to 230 & 240 Erie Avenue must be maintained at all times during
construction.
u) Submit a plan showing a permanent driveway access alignment for 230 & 240 Erie Avenue.
v) Grading west 6f fts rrnnamed sreek shall not commence rmtil the grading on the existing
mining operation and site restoration has been completed east ofthe creek.
4. Termination of Permit The City may revoke the perrnit following a public
hearing for violation ofthe tenns of this permit.
5. Lapse. Ifwithin one year of the issuance ofthis permit the authorized construction
has not been substantially completed or the use commenced, this perrnit shall lapse, unless an
extension is granted in accordance with the Chanhassen Zoning Ordinance.
6. Criminal Penaltv. Violation of the terms of this conditional use permit is a
criminal misdemeanor.
Dated:Julv 30,2019
)
CITY OF CHANHASSEN
Mayor
By:
City Manager
STATE OF MINNESOTA )
(ss
COUNTYOFCARVER )
The foregoing insrument rlas acknowledged before me this day of,
2019, by Mayor, and City Manager, of the
City of Chanhassen, a Minnesota municipal corporatioq on behalf of the corporation and pursuant
to authority granted by its City Council.
Notary Public
DRAFTEDBY:
City of Chanhassen
7700 Market Boulevard
P.O. Box 147
Chanhasseq MN 55317
(9s2)227-1100
By:
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