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4.a Staff Report Meeting Date: 6/3/08 Agenda Item: . , )` Planning Commission/City Council C } Agenda Report City of Scandia 14727 209th St. North, P.O. Box 128 Scandia, MN 55073 (651) 433-2274 Action Requested: Hold a public hearing on the application of Wind Generator for a Conditional Use Permit (CUP) to allow for an 80 foot high tower and a turbine that will keep the structure under 100 feet high (File 2008009). Deadline/ Timeline: 60-day review period expires July15, 2008 Background: The planner will present the attached report and recommendations at the meeting on June 3, 2008. Recommendation: The planner has recommended approval of the CUP with conditions, which have been incorporated into a draft resolution for use by the Planning Commission and City Council. Attachments/ • Draft Resolution 06-03-08-01 Materials provided: • TKDA Memorandum dated May 19, 2008 • Location Map • Pictures Contact(s): Dan Lee, 651-433-4309 Prepared by: Steve Thorp, Code Official (Dan Lee cup) Page 1 of 1 05/28/08 CITY OF SCANDIA, MINNESOTA RESOLUTION NO. 06-03-01-01 19703 OLINDA TRAIL NORTH CONDITIONAL USE PERMIT FOR A WIND ENERGY CONVERSION SYSTEM WHEREAS, Dan and Renee Lee have made application for a Conditional Use Permit for a Wind Energy Conversion System, located at 19703 Olinda Trail North; and WHEREAS, the property is legally described as follows: That part of the Government Lot 8 (Section 27, Township 32 North, Range 20 West) Washington County, MN lying north of the south 660 feet thereof subject to CSAH Number 3 along the west line, subject to easement. EXCEPT: That part of Government Lot 8 (Section 27, Township 32 North, Range 20 West) being west 5 rods of the south 3 rods of the north 28 rods. The parcel contains approximately 15 acres. NOW, THEREFORE, BE IT HEREBY RESOLVED BY THE CITY COUNCIL OF THE CITY OF SCANDIA, WASHINGTON COUNTY, MINNESOTA, that it should and hereby does approve the request of Dan and Renee Lee for a Conditional Use Permit for a Wind Energy Conversion System. FURTHER BE IT RESOLVED, that the following conditions of approval shall be met: 1. The wind energy conversion system must be built in substantial conformance with the application materials received by the City on April 30, 2008. 2. The wind energy conversion system must conform to the Scandia Development Code, Chapter 2, Section 10.35.5. It must have manual and automatic braking devices. Rotors must not exceed 26 feet in diameter with a clearance of at least 30 feet over any tree or structure. No lights, flashers, reflectors, or other illuminated devices are allowed on the system. The allowed color of the structure is either gray or off-white. 3. The fence enclosing the system to prevent unauthorized climbing must be at least 6 feet in height. Resolution No.: 06-03-08-01 • Page 2 of 2 4. All fees must be paid. Adopted by the Scandia City Council this 3rd day of June, 2008. Dennis D. Seefeldt, Mayor ATTEST: Administrator/ Clerk TKDA 444 Cedar Street,Suite 1500 Saint Paul,MN 55101-2140 ENGINEERS•ARCHITECTS•PLANNERS (651)292-4400 (651)292-0083 Fax www.tkda.com MEMORANDUM To: City Council Reference: Wind Energy Conversion System Planning Commission City of Scandia, Minnesota Anne Hurlburt, Administrator Scandia File Number 2008009 Copies To: Dan and Renee Lee Proj. No.: 14059.003 From: Berry Farrington, AICP Routing: Sherri Buss Date: May 19, 2008 SUBJECT: Conditional Use Permit Request for a Wind Energy Conversion System MEETING DATE: June 3, 2008 LOCATION: 19703 Olinda Trail North Scandia, Minnesota APPLICANT: Dan and Renee Lee ZONING: Semi-Rural Residential (SR), Shoreland Management District 60-DAY PERIOD ENDS: July 15, 2008 ITEMS REVIEWED: Application Aerial photo Photos and description of proposed wind energy conversion system BRIEF DESCRIPTION OF THE REQUEST: The Applicants request a Conditional Use Permit to allow construction of a wind energy conversion system at 19703 Olinda Trail North. The subject property is in the Semi-Rural Residential District and within the Shoreland Management District for Hay Lake. The Scandia Zoning Regulations, Section 10.35.5, allow for Wind Energy Conversion Systems (WECS) with a Conditional Use Permit. EVALUATION OF THE REQUEST: Parcel Size The Ordinance requires a minimum parcel size of 10 acres for wind energy conversion systems. The subject property is approximately 16 acres. The proposed system meets the parcel size standard. An Employee Owned Company Promoting Affirmative Action and Equal Opportunity Wind Energy Conversion System Page 2 May 19, 2008 City of Scandia Location The Ordinance states that the system must be located so as to have the least impact on adjoining parcels. The proposed location is the sideyard, even with the house in terms of its distance from the lake shore. It is located closer to the Applicants' home than to the neighboring homes. The Planner finds the proposed location to have the least possible impact on adjoining parcels. Height The proposed tower is 80 feet in height. The Scandia Development Code exempts wind energy conversion systems from the building height standard of 35 feet. Section 10.35.5 sets a maximum height of 100 feet for wind energy conversion systems, and so theproposed 80 foot tower conforms to the height standard. Setbacks A minimum setback is required from any property line at a distance equal to the height of the system. The proposed location is approximately 100 feet from the nearest property line, and is not located within any yard, shoreland, or right-of-way setbacks. The proposed structure conforms to the setback standards. System features The Ordinance requires the system to have both manual and automatic braking devices. Rotors must not exceed 26 feet in diameter with a clearance of at least 30 feet over any tree or structure. No lights, flashers, reflectors, or other illuminated devices are allowed on the system. The allowed color of the structure is either gray or off-white. The Applicant has indicated that the proposed system meets these design standards, and the Planner recommends that they be included in the conditions of the permit. Fence The Applicant proposes a fence to prevent unauthorized climbing. The Ordinance requires that the fence be at least 6 feet in height. ACTION REQUESTED: The Planning Commission can recommend: 1. Approval 2. Approval with conditions 3. Denial with findings 4. Table the request PLANNING STAFF RECOMMENDATIONS: The Planner recommends approval of the Conditional Use Permit to allow a wind energy conversion system at 19703 Olinda Trail North, with the following conditions: 1. The wind energy conversion system must be built in substantial conformance with the application materials received by the City on April 30, 2008. Wind Energy Conversion System Page 3 May 19, 2008 City of Scandia 2. The wind energy conversion system must conform to the Scandia Development Code, Chapter 2, Section 10.35.5. It must have manual and automatic braking devices. Rotors must not exceed 26 feet in diameter with a clearance of at least 30 feet over any tree or structure. No lights, flashers, reflectors, or other illuminated devices are allowed on the system. The allowed color of the structure is either gray or off-white. 3. The fence enclosing the system to prevent unauthorized climbing must be at least 6 feet in height. 4. All fees must be paid. a . Z z z z Y d o O _ 7 z 3�,oc w E F r F f- F E o d c a m 1 d E 3 \ '' 3 l mbg-06 w -8 c ;w, ,i 8 m M1 = I 5 0 E› ET, O` z z z z- z -z gmoc n % F- -' F 8G �g 3� Z� a.m w m b a G o c V`n n mF n°' UJd a c+`Z ° o> o • i z ,_ F ° . . ` ° • • c-tto • t ° c ., L • IT va • : - * * .°) .400:kticiQI • 'J/flS2 Illirr L(`y211,, V L. I. 40w Ilb L Yi] b • • Q a I • s 3 H L 40/ • i • • • • • W. 1 ° m 4 < a .G U Si cn v (3 U 3 c(7 ,......,.... _ 0 ....... . . .., L , 0 IV Daniel and Renee Lee APR 2 ?1108 19703 Olinda Tr. N Marine St. Croix, Mn 55047 CII Y OF SCANDIA We will be installing an 80 ft. Rohn tower and wind conversion unit on the property. The tower will be 100 feet set back according to the compliance ordinance and in compliance with all other requirements in the Scandia city ordinances. Included with our compliance request is a site map and drawings of the proposed footings of the tower. I have also included a magazine article with the identical installation done by the Otto's on Big Marine Lake. This will not start till summer of 2008 due to the current frost depth. Daniel R. Lee M i � ,0„,n) `1-i e ( Systems ,. 3 Y. £ "�' . .:� a ads 1 . at- ° ' eK'' at i"'#,�'4 ..Ord Phi ; .?s?-..r 4 y x ,.__hAlkilw ___,.....i. ......, .4,7..16 .-...„-,.....,,A --4-.'— .. -...,?... . t., . .s .t . . .... ... ,....... .„ 4,, . N. e T 4 - .' 1---- -r ew , A ,, `‘ri A , , , ., — ,e-,-, ifit . ' Ns%.*', _ ,,,g',4,1-4,7„1„ ,* , Nggib,,,,x f . `0 44 4., F ' - - s ate„„A4 ��' Top Left: Tower base showing base junction box and required signage Bottom Left: Some massive footings-6 yards of concrete piers reinforced with 1"rebar each tied into a t • 2'x 5'x 5'pad buried at eight feet.The angle iron bases are held in place by this wood template while the the tower difficult to climb. Five, the tower will be concrete sets. posted with a sign stating: "Danger: High Voltage!", Above: One of the three tower footings up close. which will be a far stronger deterrent to most people than a fence. Deterrence is what we are discussing engineered for the Jacobs wind generator. It is also here. Six, a locked fence, aside from being a designed to withstand direct 100 mph winds. The maintenance and aesthetic nuisance, is in itself a footings are also designed by Rohn and must be made safety hazard during an emergency. What happens to their spec. The whole works is to be inspected by the when the brake should be pulled on the generator but building inspector. This is typical procedure for all can't because the gate is locked and nobody is home? manufactured towers. Or the key can't be found? Seven, the utility may want access to the base of the tower to manually shut down High winds the system in a power outage, in addition to using the Operation for our"Jake" peaks and remains constant in safety disconnect. And, eight, grass is preferred to a wind speeds over 25-27 mph. At wind speeds higher fence in the event that a worker (or trespasser) should than 40 mph, each rotor blade automatically begins to fall from the tower. twist on its axis, feathering itself out of the wind and so reducing speed, power, and torque. As wind speed Other issues of safety include proper tower and footing climbs even higher, up around seventy-five miles per design. Our tower is manufactured by Rohn, one of the hour, the manual recommends shutting the system largest tower makers in the country. It is specifically down using the manual brake. Wind generators of this Home Power#47 • June/July 1995 9 / -4--- ,0 i cr U rl 'G..y cr9 � r , , i , I N ,*.is 0 k...411 0 x €. tfi ci _4 vLc, _i 0 �, 1-1 o fi _r` 3C? 0 C { C 2, g