06 Galpin EC 091620Construction Schedule:
Site Grading (including tree clearing): 6-7 weeks
Utility Construction: 5-6 weeks
Street Construction: 3 weeks
Minor Uitilty Installation: 2 weeks
Sidewalk and Final Restoration 2 weeks
Anticipated Start Date: April 15, 2021
F'-7 '- ROCK ENTRANCE BERM
POST GRADING SILT FENCE
SILT FENCE
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RILEY PURGATORY BLUFF CREEK WATER SHED DISTRICT EROSION CONTROL NOTES
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i; ' a. Natural topography and soll conditions must be protected, Including retention onsite of
native topsoil to the greatest extent possible
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b. Construction should include minimrzation of the disturbance Intensity and duration,
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includin phasing of disturbance [o minimize quantity of disturbed area a[anyonetime.
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V`V<" >..,'� _ _ —_ __ %`-/ -_� � � _ - a Additional measures, such as hydraulic mulching and other practices as specified by the
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l++v`+`" s �� `�� I �_ I - District must be used on slopes of 3:1 (H:V) orsteeperto provide adequate stabilization.
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I Jw� �+d. Final site stabilization measures must specify that at leas[ six inches of topsoil or organic
wetixaz 'S % ' 1 ` v11 vI+--"_ __ _ matter be spread and incorporated into the unded 'n soil during final site treatment
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�, •� -_ -t +F' `L�_� � �_ wherever topsoil has been removed.
e. Sail Surfaces compacted during construction and remaining pervious areas upon
-.� /� ' - �� j ies�uxe ,lfnlo`yl`y `v ��'`'r—��� —��� completion of construction must be decompacted to achieve:
j� 1. a soil compaction testing pressure of less than 1,400 kilopascals, or200 pounds per
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square inch in the upper 12 inches of soil or,
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per centimeter of pounds per cubic
ii. a bulk density of less than 1.4 grams a 87 ds
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f. Construction site waste such as discarded building materials, concrete truck washout,
chemicals litter and sanitary waste must be properly managed.
.All temporary erasion and sediment control BMPs mus[ be maintained until completion of
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construction and vegetation is established sufficiently to ensure stability of the site, as
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z'/ / 'I ,II � 1 � ' � / /� � _ � ___ __ ".�� I �I `� __ ,'L� a k I� •+�� �>, ,;�'�".�. � determined by the District.
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�.[ / 1 s 1 .0 ' `� L` r •'e----�_o� - _ I/� 1 �� / li I __ �;L'�"" ' y ' h. All temporary erosion and sediment control BMPs must be removed upon final
�'-1 �-� T _ � ,n• � � � ,_nom ��_ �, -__ __ - � (__ _ ___ _ _ �_ �i1 II ,/ __: _ _ � , � ,� i. Sail surfaces compacted during construction and remaining pervious upon completion of
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construction must be dewmpacted through Boll amendment and/or upping to a depth of
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- � - 18 ches (8 orches for single family home properties) while taking cato avoid utilities
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_vI 1 tree roots and other existing vegetation prior [o final revegefa[ion or other stabilization.
i Grading and U' _ gwg a _ - --v i e ,r _ _
( \-I ','„'„rdr'': e{� � � L �' (builder.. 20' in the front yard, side yards (where possible), and 25' benind the home site)
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ur as musstabilized
� j. All disturbed are [be w1[hIn 7 calendar days ager land -disturbing work
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[em oraril or ermanen[I ceased ono property that drains to an im aired water,
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within 14 days elsewhere.
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` .The permittee mus[, at a minimum, inspect, maintain and repair all disturbed surfaces and
Preserve . . . .
Ll . .)� k all erosion and sediment control facilities and soil stabilization measures everyday work is
t- r. V w'1 Wetland 1 ' performed on the site and at least weekly until land -disturbing activity has ceased. k� 111
'1 _ 11_. ` v v, `v I C� . (Pr&er �` Thereafter, the permittee must perform these responsibilities at least weekly until
vegetative cover is established. The permittee will maintain a log of activities under this
II s (P%senre) �� W1 section for inspection by the District on request.
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Activities must be conducted so as to minimize the potential transfer of aquatic invasive species (e.g.,
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zebra mussels, Eurasian waterm
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ilfoil, etc.) to the maximum extent possible.
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-- ,_ Developer Contact Information
4 ........................... Chan Three Development, Inc,
10850 Old County Road 15
Suite 200
Plymouth, MN 55441
Craig Allen
cell: 952-270-4473
email: creig@gonyeacompany.com
NDRTN
EXISTING UTILITIES SHOWN ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE 100 50 0 50 100 200
CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ANY AND ALL EXISTING ®❑ El El
BEFORE COMMENCING WORK. HE AGREES TO BE FULLY RESPONSIBLE FOR ANY 1 SLE IN FEET
AND ALL DAMAGES ARISING OUT OF HIS FAILURE TO EXACTLY LOCATE AND PRESERVE ANY
AND ALL EXISTING UTILITIES.
DRAWING NAME NO. BY DATE REVISIONS USE (INCLUDING COPYING, DISTRIBUTION, AND/OR CONVEYANCE OF I HEREBY CERTIFY THAT THIS PLAN OR SPECIFICATION WAS CITY PROJECT NO. FILE NO.
sheets Erosion 01 _MJV 07/2_9/2_0 _ _ _ _ LAYOUT REVISIONS _ INFORMATION) OF THIS PRODUCT IS STRICTLY PROHIBITED WITHOUT PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT 1 rGRs soR`� 2020-12 EROSION CONTROL PLAN 3120-079
DRAWN BY 02 MJV 08/27/20 RPBCWD COMMENTS SATHRE-BERGQUIST, INC.'s EXPRESS WRITTEN AUTHORIZATION. USE WITHOUT AMA DULY REGISTERED PROFESSIONAL ENGINEER UNDER THE o
— -- ------------------
SAID AUTHORIZATION CONSTITUTES AN ILLEGITIMATE USE AND SHALL THEREBY LAWS OF THE STATE OF MINNESOTA. w N SAT H RE-BERGQUIST INC.
EKE 03 MJV 09/04/20 CITY COMMENTSCHANHASSEN, THE BLUFFS AT LAKE LUCY 16
INDEMNIFYSATHRE-BERGQUISE INC. OF LLRESPONSIBILITY. m # y 150 SOUTH BROADWAY WAYZATA, MN. 55391 (952)4766000
CHECKED BY 04 MJV 09/16/2_0 _ _ _ _ _ CITY COMMENTS
— SATHRE-BERGQUIST, INC. RESERVES THE RIGHT TO HOLD ANY ILLEGITIMATE �� MINNESOTA
RSM — USER OR PARTY LEGALLY RESPONSIBLE FOR DAMAGES OR LOSSES RESULTING �"� CHAN THREE DEVELOPMENT, INC.
DATE FROM ILLEGITMATE USE. ROBERT S. M LSTAD, P.E. 30
07/OSY20
-- ------------------- Date: O� 08 ZO Lic. No. Zpl-1�L8 RS vv