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HomeMy WebLinkAbout11 - Lakefront Woods "SU06C2" DATE: INTRODUCTION: 1\11.. DEB GARROSS, ASSISTANT CITY PLANNER CONSIDER PRELIMINARY AND FINAL PLAT LAKE FRONT WOODS MAY 17, 1993 The ~urpose of this item is to consider the prel1minary and final plat of Lake Front Woods submitted by developer, Lyle Bakken. On May 3, 1993, the city Council voted to allow the preliminary and final plat review to be consolidated into one public hearing. OF AGENDA NUMBER: PREPARED BY: SUBJECT: The ~lat is being ~rocessed as an Abbreviated Subd1vision which 1S outlined in section 6-3-1 of Ordinance 87-10. The Abbreviated process applies to subdivisions which will not create more than 6 lots and that have all utilities available to the site. In addition, the developer requests a 10 foot front yard variance for proposed Lots 4, 5, and 6, in order to minimize the amount of filling and subsequent tree loss. associated with creating stable building pads for each lot. The Wetland Technical Advisory Panel who reviewed the mitigation plan for this proposal recommended that filling be minimized. Allowing a 10' front yard variance will substantially reduce fill required for Lots 5, 4, and 6. The paved section of Rutledge Street located north of the subject site is located in the northerly portion of the right-Of-way. Because of this, there is excess boulevard to the south. The structures will appear to be set back in a similar manner as others along Rutledge Street due to the location of the road in relation to the property line. The rationale for granting the requested front yard setback variances are to minimize grading and subsequent tree loss; the variances result in substantial justice to the property owner; there would be no negative impact to the neighborhood and the variance observes the spirit and intent of the zoning Ordinance. 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 / Ph. (612) 447-4230 / Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLDYER BACKGROUND: The subject site consists of 5.7 acres of land located north of lakefront park, south of Rutledge street and east of 4795 Rutledge street. The site is wooded and contains a portion of a significant wetland on the south and west area of the ~lat. The proposal is to divide the 5.7 acres lnto 6 lots as proposed on the attached application. The ~roperty was assessed for sewer and water 1mprovements under Project 73-6 in 1974 and trunk water and sewer acreage charges under Project 74-5. All past applicable deferred assessment amounts have been called and distributed against the land. The tax status of the property is in a current state with no outstanding delin~encies. All utilities are available to the slte, therefore no developers agreement is required for this subdivision. DISCUSSION: Staff has worked with the developer on this ~roject for approximately 17 months. The plat 1S the first to be processed according to the 1991 Wetlands Act, where off-site wetland mitigation is proposed. Extensive work has been conducted relative to meeting with residents and the various governmental units to obtain approval and necessary permits to mitigate the pond. See attached memos from Bruce Loney dated September 22, December 11, November 18, 1992 and May 12, 1993 which outline the wetland mitigation process and neighborhood meetings. The history of the parcel is complicated considering the size of the site proposed to be developed. The wetland on site, proposed to be mitigated is not a DNR protected wetland however, the wetland located in Lakefront Park, south of the subject site is DNR wetland #70-170W. In 1981, the city of Prior Lake installed a dike for stormwater management purposes within the protected wetland. The result of the dike, was that the water level of the pond on the Bakken site was raised which resulted in the creation of a higher quality wetland which is currently regulated by the 1991 Wetlands Act. Evidence of the water level change can be seen along the perimeter of the wetland where a substantial number of trees have been killed due to water inundation. In addition, the perimeter of the wetland adjacent to Rutledge ALTERNATIVES: street has been used as dum~ing grounds for trash, leaves, grass clipp1ngs, cement and other objects. Although the wetland is classified by the Wetlands Act, the perimeter proposed to be filled is currently rather degraded due to the existence of refuse, brush, dead and fallen trees. In summary, sanitary sewer and water service lines were installed in 1974 and the ~roperty was assessed for the improvements wlth the assessments current and almost completely paid. By installing utilities, it can be assumed that the City anticipated future development of the property. In addition, the owner has paid assessments for a~proximately 19 years. Prior to the 1981 dike lmprovement, the wetlands on the site had a much smaller surface water area and in fact, may not have had any open water for much of the year. The proposal indicates that ap~roximately .3 acres will be filled. The mltigation plan indicates that an existing pond within Fish Point Park will be excavated to create a water quality pond and serve as the wetland mitigation. The wetland replacement will be beneficial to the water quality of Lower prior Lake and will provide aesthetics and wildlife habitat. Understanding the history of the property, staff felt that wetland mitigation to improve an existing pond off-site, partially fill a wetland created through artificial actions of the City and ultimate development of the site as pro~osed, would provide an equitable "win-win" sltuation for the property owner, City and residents. 1. Approve the preliminary plat and variances as requested by the developer and/or with changes recommended by the city Council. Approve the final plat of Lake Front Woods. Approve Resolution 93-37 setting forth the items required to be completed prior to release of hardshell for the final plat of Lake Front Woods. 2. Continue this item to a date and time certain for additional information or study. 3. Deny the preliminary plat finding specific inconsistencles with the RECOMMENDATION: ACTION REQUIRED: Comprehensive Plan, Subdivision Ordinances. Zoning and Alternative 1 or 2. A motion to approve the preliminary plat of Lake Front Woods and 10' front yard variances for Lots 4, 5, and 6. subject to the following conditions: 1. Driveway location and individual service lines should be placed in close proximity and their location be subject to approval of the City in order to minimize tree loss and provide adequate positive drainage. 2. A wetland vegetation buffer and replacement plan be approved br the City Engineer. A wetland vegetatlon buffer strip located 10' from the ordinary-high-watermark of each pond planted with the wet meadow seed mixture suggested by Pat Arlig of Maier stewart & Associates shall be required. 3. The wetland mitigation plan for the site must be implemented contemporaneously with improvement of the Pond in Fish Point Park. 4. Erosion control and grading permit be submitted acceptable to the Engineer. plans City 5. storm water drainage swale between Lots submitted for the 10 storm events. calculations for the 4 and 5 must be year and 100 year 6. The applicant must obtain necessary extensions for the Army Corps. of Engineer permit and appropriate permits from the Prior Lake/Spring Lake Watershed district prior to grading and filling of the site. 7. of the pond in Fish have riprap installed wetland slopes from The upstream end Point Park should to protect the eroding. 8. The fill location shown on the Fish Point Park wetland plan is drawing indicating location as approved must be submitted. incorrect. A revised the correct fill by the city Engineer A motion to approve the final plat of Lake Front Woods. A motion to approve Resolution 93-37 with any additions deemed appropriate by the City Council. COMMENTS: 1. Pat Lynch of the DNR stated that he has no objection to the subdivision nor variances as proposed. 2. Dave Camper of 4770 Rutledge Street will be out of town during the public hearing but wanted to file the following objection to the proposal: He is opposed to the filling of the wetland on proposed Lots 5 and 6 due to concern about loss of view of the pond and that the building pads would not be suitable for home construction. He is opposed to the variances requested because the homes will be much closer to the road than existing homes within the neighborhood. The resulting construction would have a negative aesthetic impact on the neighborhood. Mr. Camper feels that the neighborhood has a right to a view of the ponds and objects to the placement of homes which would block the view. 3. Robert Johnson, 15156 Fish Point Road S.E. is o~posed to wetland mitigation plan which calls for improv1ng the located in Fish Point Park. See attached letters reference to the specific objections. the pond for "RS9337" RESOLUTION 93-37 RESOLUTION OF THE PRIOR LAKE CITY COUNCIL SETTING FORTH ITEMS TO BE COMPLETE PRIOR TO RELEASE OF, AND RECORDING OF HARDSHELL FOR LAKE FRONT WOODS. MOTION BY: SECONDED BY: WHEREAS, the City Council has approved the Final Plat of Lake Front Woods; NOW, THEREFORE, BE IT RESOLVED BY LAKE, MINNESOTA, that it should following items to be complete, recording of said plat: 1. The hardshell dedication, language and format be subject to approval by the City Attorney. THE CITY COUNCIL OF PRIOR and hereby does require the prior to release of, and 2. A title opinion for the plat be acceptable to the City Attorney. 3. Payment of all required fees including but not limited to a $4,560 dollar park dedication fee, $30.00 dollar hardshell fee and $50.00 dollar grading permit fee. 4. The unit assessment redistribution for water and sewer will be $665.99 per lot. These assessments have a remaining term of 1 rear. The unit amount for storm sewer will be $47.20 and w111 be re-certified for a period of 2 years. 5. Prior to issuance of a grading permit, an estimated cost of the wetland mitigation shall be submitted in order for the City to determine the amount of the letter of credit. 6. A grading permit to im~lement the wetland mitigation plan be submitted consistent w1th requirements of the City Engineer. 7. Submittal of a utility and drainage areas of proposed Lots 1 and 2, as Engineer. easement required over the by the low city 8. All outstanding conditions outlined for the preliminary plat be satisfied. 9. Park support fees in accordance with City POlicy, be paid at the time of building permit. 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 I Ph. (612) 447-4230 I Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLDYER 10. A soils Engineer will be required to verify the house construction and certify the pad for acceptance to the prior to issuance of a building permit for the lots. 11. Building permits shall not be issued until a contract has been awarded for the construction of municipal sewer and water. Occupancy permits will not be issued until improvements are accepted by the City Engineer. pad City 12. No building permits shall be issued until the Final Plat is filed and recorded with Scott County. 13. Homes built upon lots within the subdivision will be subject to architectural controls, the 22% lot coverage ratio, and 30% impervious surface coverage of the Zoning Code as applicable. 14. Submittal of 4 sets of mylar copies of the all required signatures and reduced copies to the following scales: 1" = 200', 1" reduction at no scale which will fit on an of paper. 15. The, "city Copy" hardshell, containing all required si~natures be returned to the Prior Lake Planning Office pr10r to issuance of any building permits for the plat. entire plat of the entire = 800' and 8 1/2 x 11" with plat one sheet Passed and adopted this 17th day of May, 1993. Yes No Andren Fitzgerald Kedrowski Scott White Andren Fitzgerald Kedrowski Scott White Frank Boyles city Manager city of Prior Lake {Seal} LAKE FRONT WOODS I ~;i I I II, ..-.~,,.J ",-,r~n-I fjfl 1~3 (M'L NnL'~"l:J c~ L-:::;~;:'J; 3,,~ A~r':=:J~i STR~:~-I-:: )'/49~~:'~.W ..( ., .j :.,: ,:i :: , ", T- ~ -{-.'l~~ <":,,, ..~..~ l:'-' ,,,\,~..l ~ :': ;> " ~,<:.: ' J" ,".' ,~I~. t' ... s-., "" -/- ,-; 1\ r, -,- I ,-\ 1-\ I __ I r' ~-' '-. WEST UilIE C>>' TIUICT A EAST UtE C>> TRACT . -- DRA"AGE AND UTLITY EASEMENTS 4RE SHOWN THUS : .. , '1 --~---~ ~~---~-- ~ I IU<<J , FH T Ie WDf11. 1.K..ESS 01lUtW'-. IOCAJ1D. AKJ l~ sa: lOT UES AJC) !IBC " FHT .. WCnt. t.....(SS Oll<<RW1!f. lOCATED. AJC) ~ STlEET LIES AM) AENllOT lIES AS SIIOW1if ON THE Pl.JII'.. VICINITY MAP .' - EAST OUARTER CORtER Of see J5., T 115 N, R 22 W. '\ I "~ \ ~... ~~ q : I / .. '" X .... '" ~ '" 0 "''' ./ 9 I a ~ 3 I I' 0 100 200 ~ SCALE .. fEET . OEHOTES 1/2 INCH IRON IoIONUIIEHT FOUND UNLESS OTHERWISE SHOWN. o OEHOTES 1/2 INCH BY 14 INCH IRON MONUMENT TO BE SET - MARKED WITH LICENSE NO. 16085 UNlESS OTHERWISE SHOWN. THE EAST LINE OF GOVERNMENT LOT 1, SECTION 35, T 115 N, R 22 W HAS AN ASSUMED BEARING OF NORTH fl~. COWSI\".. ..ot....s ROllE "-"..us ... lAND SDflVnou ENGINEERING COMPANY, INC. SHEET 2 OF 2 SHEETS ,! i su ~ - O~ PID -('t,lJ 'C03-a APR.lCATlON FOR 'mE SUBDIVISION CF I..Aro WI'mIN 'mE CITY OF PRIOR LAKE Property <M1er: Address: SJbdiv ide r: Address: JIlgent: Address: ~ r (Cr(.E&"~Y DR.t cI::::) N3rne of SJrveyor: r'~: ~tJ~-KJ1J c- _ Phone: Name of Engineer: f1 c;... t:.c:;e../}Jd~('rlJ;;lc.4hone: Legal Description of Property: fftt<Li:E2_ /r-) ~,' CJ .()/ if" E (5'~~ 1'rrrA-c.th:n 'iJ..J.. -,,30(>0 Y3C).. -5000 Present Zoning: I. ~6 , OerJJl,If L- Deed Pestrictions: tb f.. Yes Property Acreage: ;; If-c ~e:::-5 If so, please attach. Has the Applicant previously sought to plat, rezone, obtain a variance or conditional use permit on the subject site or any part of it: tb y. Yes_ What was requested: -- . When: Subdivision Ordinance and agree to prOlJide the dance with the prOlJisions of the ordinance. /0 -/S- - :12- Date /O-/S' - 9''---- bate 'nUS SECl'ION 'IO BE FILLED IN BY THE PLANNIN; DIREnUR PLANNIN:; <n1MISSION APPROJID CITY <XXJN::IL _APPROJID mNDITIONS: DENIED DENIED MTE OF HEARm::; ~TE OF HFARIN:i Signature of the Planning Director Date CITY OF PRIOR LAKE APPLICATION FOR VARIAOCE V&-QL PIDt r.iS--(')h~-(JC:J3- Appl icant: L Address: Property Owner: Address: 6 eeL 0 Type of Ownership: Fee X Con ract Consultant/Contractor: L t...r;- II. 8,4-{CK-fc.iV ci6a/8hk-rU Ho/l?E5 Existing Use / of Property: f..0/0oJT1/TL- (!~t:::' klf1c-5/fE elM 61k1iPts) Present Zoning: ;(C':5JC!c..7VT7t'9 Legal Description /1. ~:ri~~an~~~~~: ~~~~:~~j- c~ ~~R-~~Ci:~~ ~~f =S~S olJ ~c~c If- J 6, v c- / t9 Ft---pf" (" L/) -5 r F?. 77> JJtF: C c....l ~ O,u I!:u Tl. e LJC-t:::- /'f--V c; Home Phone: 1 Y 7 -- 5;)- r7 Work Phone: /},).,o - -J 9'51')" /nc Home Phone: Y lf7 - 5',)- r7 ~ /11.0 Work Phone: YYI-5)..R~ "7-;-'0-/ Purchase Agreenent n Phone: <-( 'i 1- 57J.-..r''1f '1 d-{) -~ 7' Has the applicant previously sought to plat, rezone, use permit on the subject $ite or any part of it? What was requested: /VI It When: --- Disposition: Describe the type of improvements proJ;X)sed: /1+15 IS ~QuE5'7"Cn 71J /77"UI/VJfZ( ~ ft-m 0f.J...jJ/ of W €I Lfrt.-JO ('ol<..r:<,cc.T}c)tV n,e rfff.2-ca.. :5 IT, If'; 1- C, obtain a variance or conditional Yes X ~ SJBMISSION ROOUIRlliENl'S: (A)Completed application form. (B)Filing fee. (C) Property SUrvey indicating the proJ;X)sed developnent in relation to property lines and/or ordinary-higlrwater mark; proJ;X)sed building elevations and drainage plan. (D) Certified from abstract firm, names and addresses of property owners within lOa feet of the exterior boundaries of the subject property. (E)Complete legal description & Property Identification Number (PID). (F)Deed restrictions or private covenants, if applicable. (G)A parcel map at 1"-20'-50' showing: The site developnent plan, buildings: parking, loading, access, surface drainage, landscaping and utility service. ONLY mMPLETE APPLICATIONS SHALL BE ACCEPl'ED AND REVI~ BY THE PLANNI}l; cc.:MMISSION. To the best of II'!Y knowledge the information presented on this form is correct. In addition, I have read Section 7.6 of the Prior Lake Zoning Ordinance which specifies requirements for variance procedures. I agree to rovide infonna i an ;foIl the procedures as outlined in the Ordinance. a ~t:a Sutmitted this IS-day of Oc-; 19f.L. THIS SPACE IS 'ID BE FILLED OUT BY THE PLANNIN:; DIRECI'OR PLANNI~ mMMISSION CITY COUN::IL APPEAL APPROVED APPROVED DENIED DENIED DM'E OF HEARI~ OI\TE OF HEARIN:; mNDITIONS: Signature of the Planning Director Date LAKI~FR()NT Wl.ODS BLOCK 1 Dev~loper, Lyle Bakken, requests consolidation of preliminary and final plat for Lakefront Woods. Developer requ~sts a ten-foot variance on Lots 4, 5, and 6 to minimize environmental disruption. Our intentions are to preserve the wetlanri, as previously discussed with city management. 11. Developer plans to build five single-family dwellings (on lots 1, 2, 4, 5, 6), anri with the existin~ two-story home on lot 3, there will be a total of si~ homes. 12. Developer plans to build split-level walkout homes on lots 4, 5, and 6. These homes will be a minimum of 1'00 square feet each, and will be priced in the $100,000 to 3130,000 range. Developer plans to build homes with 1500 square feet minimum on lots 1 and 2. These homes will have full walkouts, will be either two-story, rambll!!I:, or split-l~vel, and will be priced in the $140,000 to $200,000 range. ~&6~ - -- PRELIMINARY PLAT OF LAKE FRONT WOODS , :d ; i . . ..-: "I v ..~~. ,,;.' ,": t ..~l:" ',; e " "f 'I, ':; .:. ": ~ / .-:-:r / - - ~ --:;.':~.~ ' :. ~1' " '. i 2 3 A 'll . / " " '\ . ~! , ". , " f' \ I " r--~~ ;1",,_, /," " \ I ,. '. I -, I .., I \ __ / L---- \ -- 110"-/ 1-- or"" - ~1"\" <P 1~1 W'I~ 7',~ , .. ". 1"- f.". "n .... ~. l'l~~ . of "111"": lit", ~""" ~n. ~". 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'.:~=-~:~.:.: .......,.. . ........ 10'" , \ ~-_.- I ,__ ... -...... -r -- - -- - +-- ~. _r~. -- ;:~.~.~ -.....)1......;'::-- _ . J " - -,'-' .( . ..-..-......... .... . .........~,....)~~.....fl:l.l. ".- - -. s.c....Affe Of f'OMO -1.IOl Will. "1lIOT&: 1NY.'u,MD UCIi Of' '4' C.IIILP,...... Nil ~ IU'M.TIOIlI. .,e.1 .r...... TREE LOCATION ANO PROPOSED PONDIHG AREA AT fiSH POINT PARK, PRIOR LAKE, MINNESOTA :::._:: '.1' :.:~ - ~,:---.l c. .." 1i:'~1 -- ii~~l<.J- ~~ MR, LYLE BAKKEN I flROBE (0.'.'''.0 ..0'.....' ,..I..N..I aM .....D lunnOI. ENGINEERING I COMPRNY, INC. Il 1000 un 141. ilUll, ...-MlYILl.C. ..1...U014 nln ,......&4.,..,...,..,...........1 .......... .... .._... ...,c. '"':::~~.:~~:~.:~~~.:-\I:. :::" " .'h:~-.I. wrool.r1.A.w._......... ~.. ,.........D 'OIl ..,. ...cAO'" ...,. llU.&., ~ LU,t. --.1001A. lUll SHEET 4 OF 4 SHEETS lVA09PN" NOTICE OF HEARING FOR VARIANCE You are hereby notified that a hearing will be held by the City Council in the Prior Lake Council Chambers at 4629 Dakota street S.E. on: Monday, May 17, 1993 at 9:00 P.M. PURPOSE OF HEARING: To consider a variance application for Lyle Bakken, 4376 HiCkory Hills Trail, Prior Lake, MN 55372. SUBJECT SITE LOCATION: Approximately 5.7 acres located south of Rutledge Street, north of Lakefront Park and east of 4795 Rutledge Street. REQUESTED ACTION: The applicant proposes to subdivide the property into six lots as per attached maps and subdivision public hearing notice. The name of the proposed subdivision is Lake Front Woods. The applicant requests that the City Council grant a 10' front yard variance for proposed Lots 4, 5, and 6. The required front yard setback is 25' measured from the front property line. The applicant proposes to locate homes 15' from the front property line and therefore has requested that the City Council grant the appropriate variances for each of the three lots. If you desire to be heard in reference to this matter, you should attend this meeting. Oral and written comments will be accepted by the City Council. For more information, contact the Prior Lake Planning Department at 447-4230. Prior Lake City Council DATE MAILED: May 5, 1993 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 / Ph. (612) 447-4230 I Fax (612) 447-4245 AN EQUAL OPPORTUNITY E.IvtPLDYER ~'l-l (/) Q o o ~ ,Eo- ~ u.. UJ ~ < ...l "~- --......... .."Ut ..~--~ ,-- =1 II ;!I ~i I 211 9j ;1 ~i! I! Q~ QI! ~ ~.~ ~I!ii ~i ! .. If ~~ II I ~i 3; !.: I~ j h,j ~I. III; ! , - ~ 1m Ii l I !III . I "'" ~. ! Ii I h.1 I I II .J ~ ~ ~. Cc w... :~~ oOu ti~ lJ) .... w W J: 'lJ) N U. o N .... W W J: lJ) TO: FROM: SUBJECT: DATE: I N T E R 0 F F ICE M E M 0 RAN DUM g).DEB GARROSS, ASSISTANT CITY PLANNER ~BRUCE LONEY, ASSISTANT CITY ENGINEER , I LAKE FRONT WOODS PLAT REVIEW HISTORY MAY 12, 1993 The following is a chronological summary of the pertinent letters, meetings and memorandums in regards to the Lakefront Woods development for your information: 1.) 2. ) 3 . ) 4. ) February 11, 1992 - A memorandum to file from Bruce Loney in regard to a meeting on the proposed filling of a wetland on RLS 39. Memo detailed the options to the developer. July 21, 1992 - Wetland Technical Evaluation Panel met on the site to review the proposed filling and possible replacement of wetland in Fish Point Park. July 22, 1992 - Wetland Technical Evaluation Report on the on-site inspection for Bruce Sandstrom, BWSR. Re~ort asks many questions on the proposal, including if th1S was a DNR wetland and any zoning requirements by the City in regards to amount of upland area minimums requirements. september 10, 1992 - Letter from DNR hydrologist, Pat Lynch, stating that the wetland on RLS 39 is NOT a DNR protected wetland and that the city's dike along the park road should remain, as the Lakefront Park wetland has increased in wetland value. 5.) September 15, 1992 - Letter from the US Army Corps of Engineers approving the proposed filling of the wetland on RLS 39. 6.) September 21, 1992 - First Informational Meeting with Fish Point Park residents on the proposed wetland replacement in the park. Residents were concerned about a large pond of .65 acres being created and the removal of too many trees. Consensus was that residents would support a smaller pond. 7.) November 2, 1992 - Letter and enclosures to Wetland Technical Evaluation Panel from Bruce Loney summar1z1ng the findings of on-site inspection for the proposal. No objections were received from the panel members on the proposal. 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 / Ph, (612) 447-4230 / Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLDYER 8. ) December 1, 1992 - Letter dated November 29, 1992 from Bob Johnson, 15156 Fish Point Road is received and is against the replacement wetland in Fish Point Park. 9 . ) December 5, 1992 - Second Informational Meeting Roger and Laurie McBride's home to discuss a pond of .35 acre in size which would save most live, native trees. Consensus was for approval maintenance would be done by the city on a basis. 10.) January 13, 1993 - Memo to Planning from Engineering on the first submittal of Lakefront Woods Plat. held at smaller of the if pond regular 11.) April 13, 1993 - Memorandum ,to Planning from Engineering on the Subdivision review of the plat. 12.) April 22, 1993 - Second memorandum to Planning from Engineering on the Subdivision review. 13.) April 27, 1993 Third memorandum to Plannin~ from Engineering with additional comments on the Subdlvision review. 14. ) April 28, 1993 Letter to Mr. res~onse to his April 13, 1993 proJect. His letter was received 14, 1993. Robert Johnson in letter opposing the by the City on April I hope this memorandum is helpful in reviewing the plat for approval. I have all of the documentation in my office and if you want a copy for your files or to include in the Council Agenda, let me know. "MEM035' November 18, 1992 Mr. Bill Dilks PRIOR LAKE/SPRING LAKE WATERSHED DISTRICT Scott-Rice Telephone Building 4690 Colorado Street S.E. Prior Lake, MN 55372 RE: WETLAND CONSERVATION ACT/TECHNICAL EVALUATION PANEL (TEP) REPORT FOR RLS 39 SUBDIVISION Dear Bill: This letter and the enclosures is to summarize the findings and on-site inspection of the proposed wetland filling on RLS 39 from the Wetland TEP. The enclosures are as follows: A.) Interoffice Memorandum from Bruce Loney to File on the Fish Point Park Pond Informational Meeting. B.) September 15, 1992 letter from the US Army Corps of Engineers in regards to the proposed filling on RLS 39. C.) A September 10, 1992 letter from the Mn/DNR in regards to the wetland jurisdiction in this area. D.) A January 6, 1992 letter from the US Army Corps of Engineers in regards to the initial filling request on RLS 39. E.) Aerial photography map showing the proposed property lines and the wetland areas in 1981. F.) A copy of the Wetland Replacement Plan. G.) A copy of the Wetland Delineation and Grading Plan for RLS 39. FINDINGS 1. Local Jurisdiction. The City of Prior Lake and the Prior Lake/Spring Lake Watershed District (PLSLWD) have both agreed to be the responsible local unit of government for implementing the interim phase of the 1991 WCA. Representatives from the City and the PLSLWD were present for the on-site inspection of the affected wetlands and proposed replacement area. 2 . The proiect. RLS 39 is owned by proposed to be SUbdivided into a total lots. Lyle Bakken, a local builder is behalf in seeking the SUbdivision of plus the lot at 4893 Rutledge street. Survey has been prepared by Greg Brick the Abbott's and is of six residential acting in the Abbott's five additional lots The Certificate of of Probe Engineering. 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 / Ph, (612) 447-4230 / Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLDYER In reviewing the property line with the bituminous edge of pavement on Rutledge street, there currently exists approximately thirty feet of boulevard width. To minimize the wetland filling on the project site, the City will consider a ten foot front setback variance for Parcels A, B, & C. 3. Wetland Delineation. On the RLS 39 property, the wetlands were delineated by Pete Beckius from the Scott Soil and Water Conservation District on March 31, 1992. Mr. Beckius delineated the northern boundary of the wetlands on-site. The on-site inspection of the TEP has indicated that the wetland is in a transition state from a Type 3, 6, and 7 complex to a Type 4 wetland (circular 39 Classification.) The reason for the transition is due to the higher water levels caused by an alteration of the outlet by the City of Prior Lake. Enclosed with this memorandum is a letter from Pat Lynch of the MDNR which states the outlet alteration has changed the wetland type to a higher value. In the RLS 39 property, the outlet alteration has raised the water level at least two feet, and several dead trees and shrubs were observed standing in 2.5 feet of water. 4. Water Elevation Data. For the two wetlands on RLS 39 and the MDNR #70-170W wetland in the City's Lakefront Park, the 100 year flood elevation for this complex of wetlands was calculated to be 930.90 as listed in the City's Storm Water Management Plan as prepared by Suburban Engineering in 1981. On April 3, 1992, the City'S Engineering Department did a survey and determined the water elevation to be 933.70. On June 30, 1992, Probe Engineering had determined a water elevation of 933.00. The City's Engineering Department in August, 1992, determined the elevations of the previous outlet for DNR #70-170W which controls the water elevation of all three wetlands and this elevation was 931.69. A ridge exists between DNR #70-170W and the two wetlands on RLS 39 property and the ridge elevation was measured to be 931.49. The outlet alteration was done by the City in 1981. The purpose of the fill was to prevent water from flowing out of the basin and prevent the water from creating an icy hazard on the nearby street. This action thus caused water to back up on the RLS 39 parcel. Aerial photography was done in this area for the City Project 82-3. The photos have no date on the film; however, it is estimated that the photography was done around 1981. This photo shows three separate wetlands on RLS 39 and Lakefront Park. A copy of the photo is enclosed with the property lines and the water edge of the wetlands on RLS 39 superimposed to illustrate the wetland and upland areas on the parcel before the outlet was altered. 5. state Jurisdiction. Enclosed is a letter from Pat Lynch, DNR Hydrologist in regard to the project site wetlands and whether these wetlands are in the DNR jurisdiction. Per Mr. Lynch, these wetlands are not within the jurisdictional limits of the DNR #70-170W wetland. Also, Mr. Lynch recommends that the runout elevation should remain as it is currently and not be lowered to its previous elevation in 1981. These wetlands are subject to the WCA and U.S. Army Corp. of Engineers requirements. 6. Federal Jurisdiction. Enclosed is a letter from Tim Fell, U.S. Army Corps. of Engineers Construction/Operations, in re9ard to the proposed project. Mr. Fell received the in1tial certificate of survey drawing showing the wetland delineation and the proposed filling of approximately .45 acres at that time. The U.S. Army Corps. of Engineers has re-issued the nationwide permit (#26) with the new conditions for the #26 nationwide permit which is attached to the letter. The latest enclosed certificate of survey shows the proposed filling of the wetlands to be .30 acres. 7. Zoning Requirements. The City'S SUbdivision Ordinance requires that a parcel have a minimum of 5,000 square feet of upland per building site and a minimum total lot area of 10,000 square feet. This requirement is met for Parcels A, B, and C. The City's floodplain ordinance for this area is that the lowest building slab must be three feet above the 100 year flood elevation of the wetlands. The overflow elevation of the 8" pipe is 933.80 and the spillway overflow elevation is approximately 934.80 which is estimated to be the 100 year flood elevatlon. 8. U land Area Determination. Prior to raising the outlet control of DNR 70-170W, Parcels A, B, and C may have more upland area based on the aerial photo taken in 1981. A copy of the aerial photo is attached with the proposed property lines superimposed and the approximate edge of the wetlands open water also drawn on. From this drawlng, the amount of upland area is estimated to be 27,500 square feet. Based on this figure, the three parcels would qualify for a building site on each parcel. It should be noted that determining the wetland boundary edge is difficult to do and the actual boundary edge can vary significantly. 9. Hardship and Avoidance and Minimization. The City will consider granting a 10 foot front setback variance to minimize the wetland filling. The reason for the variance is that the existing street pavement edge is approximately 30 feet from the property line. Normal boulevard width from street pavement edge to property line is 10 - 15 feet. A 10 foot would place the front edge of the structure approximately 45 feet from the pavement edge. 10. Wetland Mitigation. The owners of the RLS 39 parcel have been assessed for sanitary sewer, water, storm sewer and street improvements beginning in 1975. Sanitary sewer and water services were installed along the ~arcel at intervals to allow for the future subdividing of C1ty lots. The proposed project will fill and estimated 0.30 acres. The City has an area within Fish Point Park which is not currently a wetland. This area has been proposed to be excavated 3 - 4 feet below a 24" eMP in order to create a water quality pond and serve as the wetland mitigation. Currently, this area has approximately a 85 acre drainage area which would drain into Lower Prior Lake without treatment. This wetland replacement will be beneficial to the water quality of Lower Prior Lake and will provide aesthetics and wildlife habitat. Many of the trees in the wetland replacement area have died due to the sediment collected over the years. Enclosed is a wetland replacement plan showing the proposed wetland in Fish Point Park. This drawing shows a three foot deep wetland with 6:1 slopes and the area below the 910 contour which will be the normal water level is estimated to be .38 acres. This area is more than the wetland area being filled off of Rutledge street. 11. Summary. Applying the Wetland Conservation Act of 1991 interim rules for this parcel has been a complicated one. This memorandum has attempted to provide the background history of the parcel and to address the concerns raised by the TEP in dealing with the wetland rules. With the sanitary sewer and water service lines installed in 1974, this gave an indication to the property owner that the property could be subdivided into single family residential lots someday. In fact, the property was assessed for the improvements with the assessments current and almost completely paid. Prior to the raising of the DNR wetland outlet, the wetlands on the RLS 39 property had a much smaller surface water area and in fact, may have not had any open water for much of the year. The wetland replacement area is proposed to be installed in the City's park. This area will provide the City with a water quality pond to treat storm water prior to discharing into Lower Prior Lake and will hopefully provide habitat for waterfowl and wildlife. The wetland area proposed to be filled has several dead trees and shrubs due to the raising of the DNR wetland outlet. The raising of the outlet has increased the DNR wetland value but may have lowered the value the wetlands on RLS 39. I feel that the wetland replacement in Fish Point Park is a benefit to the City in providing storm water quality for a 85 acre drainage area and this area is more than adequate replacement for the wetland area lost on RLS 39. I hope this letter and enclosures have provided the necessary information to comment on the wetland replacement plan for this project. If you have any questions on this matter, please feel free to call me at City Hall. Sincerely, . ---! ' , , / ~~ Bruce LoneY; P.E. Assistant City Engineer Enclosures BL:jlp I N T E R 0 F F ICE M E M 0 RAN DUM TO: FROM: SUBJECT: FILE, RLS 39 SUBDIVISION BRUCE LONEY, ASSISTANT CITY ENGINEER FISH POINT PARK POND INFORMATIONAL MEETING OF DECEMBER 5, 1992 DECEMBER 11, 1992 DATE: This memorandum is to summarize the meeting held at Roger and Laurie McBride's house (5518 Lost Horizon Circle) in regards to the proposed Fish Point Park pond proposal. A total of twelve (12) persons were in attendance for the meeting which was conducted by Bruce Loney from the City Staff. The meeting started with a presentation of the proposed project and a brief background of the Wetland Conservation Act and how the proposed development along Rutledge Street would construct the pond in the park as part of the development's responsibility to mitigate a wetland. It was mentioned also that this pond would be constructed at the developer's expense with the City responsible for future maintenance of the pond. A brief presentation of the proposed pond project was made by Bruce Loney. The main items of discussion were as follows: 1.) Pond would be approximate .38 acres in surface area and tentatively shown to be three feet in depth with 6:1 side slopes to the pond bottom. 2.) The pond area adjacent to Fish Point Road is part of the lake and will require DNR approval to alter the area by dredging. This would be a future City project if a storm water utility fee was adopted by the City Council. 3.) On the question if the excavated material could be use for leveling an area in the park, I commented that Bill Mangan, the Parks and Recreation Director, did not feel a lar~e enough level area could be provided due to the existlng steep topography. The City may be able to acquire the area adjacent to Fairlawn Shores Trail and Maves Trail due to tax forfeiture and would utilize this area as park play area. Also at the meeting was Jon Wingard from the Lake Advisory Committee and he addressed the water quality concern of the LAC members and how this project Would help in reducing the pollutants such as phosphorus from reaching the lake. 4629 Dakota St. S.E., Prior Lake, Minnesota 55372 / Ph, (612) 4474230 / Fax (612) 447-4245 AN EQUAL OPPORTUNITY EMPLDYER Several comments and questions were asked by the residents about the project and they were as follows: 1.) Mr. Richard Roe commented that the cost to the City will be in the maintenance of the pond and he asked what provisions are being made to maintain the pond? Bruce explained that on December 7, 1992, the City was considering a storm water utility fee for storm water improvement projects and maintenance. Mr. Roe commented that he could support the project if a provision was included that the City would performed maintenance at set times. other questions were on the pond appearance, what vegetation would be present, use of fill to correct a low area near the proposed pond area. Residents also inquried about the depth of the pond and most felt a deeper depth would provide more volume and thus extend the time to clean the pond. The pro~osed pond area was marked by Roger McBride and myself for the resldents to see the outline of the pond area in relationship to the rest of the park. This area could be seen from the McBride's residence. The overall consensus opinion of the residents at this meeting was for the pond to be deeper if physically possible and for the City to budget in maintenance funds for the future dredging of the pond. 2. ) (MEMOS3) .1IIr 1"!' I N T E R 0 F F ICE MEMORANDUM t' TO: FROM: SUBJECT: DATE: FILE, RLS 39 SUBDIVISION i1/-. BRUCE LONEY, ASSISTANT CITY ENGINEER ~ 'FISH POINT PARK POND INFORMATIONAL MEETING OF SEPTEMBER 21, 1992 SEPTEMBER 22, 1992 This memorandum is to summarize the meeting held in Fish Point Park in regards to the proposed Fish Point Park pond proposal. A total of fourteen (14) persons signed the attached sign-up sheet for the meetin~ which was conducted by Bruce Loney and Bill Mangan from the Clty Staff. The meeting started with several comments from b~ Mr. Robert Johnson of 15156 Fish Point Road about the pro~ect and who was not in favor of the project. A brief presentatlon of the proposed project was made by Bruce Loney. The main items of discussion were as follows: 1. ) 2. ) 3 . ) Pond would provide significant water quality improvement for the storm water runoff going to Prior Lake. Developer would construct the pond for the City to meet the his Wetland Conservation Act of 1991 requirements. Proposed pond will be a wet detention pond with 6:1 slopes for safety and is estimated to be approximately .5 - .65 acres in size. Several comments and questions were asked by the the pond appearance, safety, maintenance of control and if the any improvements were planned adjacent to Fish Point Road. After the discussion by the park playground area, a tour of the proposed pond site was conducted Wlth several of the residents. The overall consensus opinion of the residents was for the pond area that was staked to be reduced to maintain as much tree cover as possible between Lost Horizon Circle and Fish Point Road residents. Also the residents were in favor of improving the wetland by Fish Point Road by excavating the bottom and maintaining a water level. It was explained to the residents that the MnDNR may have jurisdiction over this wetland since it is actually below the 904 elevation and is adjacent to the lake. It was explained that a DNR permit may be necessary to do this work and also the City does not have funds budgeted for maintenance on ponds as yet. residents about pond, mosquito for the wetland (MEM051) ~ '10-(76 Metro Waters, 1200 Warner Rd., st. Paul, MN 55106 772-7910 September 10, 1992 Mr. Bruce Loney City of Prior Lake 4629 Dakota street S.E. Prior Lake, Minnesota 55372 RE: LYLE BAKKEN PROPERTY FRONTING RIDGEMONT AVENUE, CITY OF PRIOR LAKE, SCOTT COUNTY Dear Mr. Loney: I've completed my review of the Bakken property and offer the following for consideration. On August 6, 1992 I inspected the subject property with you and Bill Dilks from the Prior Lake-Spring Lake Watershed District. My observation of the wetland to the rear of Mr. Bakken's property indicated abnormally high water levels for the area. This was evidenced by several trees whose trunks were inundated with standing water. Some of the trees were dead, leading me to believe they may have died due to prolonged flooding. I am also aware that some years ago the outlet to DNR wetland #70- 170W, located just south and west of Mr. Bakken's property, was diked for stormwater management purposes. This resulted in raising the water level of the basin. My records indicate no permit was granted from this office authorizing alteration of the water level control of wetland #70-170W. The protected waters inventory indicates that wetland #70-170W is a four-acre type III wetland (inland shallow fresh marsh). In my opinion, the permanent increase in water levels has altered the character of the wetland such that it exhibits qualities of a type IV wetland. It also appears to have a larger surface area now than when it was originally inventoried by the DNR. I checked the Scott County Soil Survey, 1976 aerial photographs and the National Wetlands Inventory for further information. Based upon the history of water level manipulation, and review of several map sources, I conclude that the wetland area immediately to the rear of Mr. Bakken's lots on Rutledge Street is not part of DNR wetland #70-170W. When wetland #70-170W was inventoried, there were actually three separate, distinct wetland basins which, after the outlet from #70-170W was raised, became one, larger wetland complex. Mr. Loney September 10, 1992 Page Two (2) The wetland behind the Bakken property should be treated as being subject to the Wetlands Conservation Act of 1991. Depending upon the scope of fill proposed and/or authorized, an authorization from the U.S. Corps of Engineers may also be required. At this point in time, I'm not prepared to require the city of Prior Lake to either restore the run out elevation of #70-170W or to pursue an after-the-fact permit for the work previously performed at the outlet. The wetland, as it exists today, is of high quality. It is my opinion that if the City restored the run out of wetland #70-170W to its original condition, the result would be a net loss of wetland, and probably lesser quality wetland. If you, or any member of the WCA Technical Evaluation Panel take exception to my analysis and conclusion, please contact me to discuss. Sincerely, ~ Patrick J. Lynch cc: Pete Beckius, Scott SWCD Bruce Sandstrom, BWSR USCOE CITy /!.r?li/eif LAK~ 1/-/3-93 - ~ 41~ '29 D.1Ke7A 5T. 5 I r.. ~~K LAKf ,In?I, 55312 ' gk-:~;~~/:!:~!f::::;;j;:::/;;{f1/pj~ ' AND FO~T Ct~. 'W h -p-Re tAl 7Zi3- ~k&R~;_ ~~ ,Je~ _ . ~?;;lj)-e1k~~18V<//,t/ J1e- U/b 'NA!_~,.._- ;;:;~ '3 A-:~_&~ ~~JhZ;pN/ J?u~~;=FC"LLe(i5 j: ~~~Q;:r,;- ~ 1J~ fM~ J1.,,~€- #&1-</ w,j~~ E1ff!-U--Ll---- ,~-'UH~W_ 71. €' Lcl'''~ (lyp..tl(J -.JD sf; k 1J AI{ ,,~ :5 k.~ . 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