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HomeMy WebLinkAbout038-1092-40-000 Land Use ST. C ROIX' espn7;1ft.u<NTY Planning&Land Information S W,SW Resource Management Community Development Department December 5, 2013 File#: LU88119 James &Tara Thommes 2055 Cty. Rd. C Somerset, WI 54025 Re: Land Use Permit for Filling &Grading < 10,000 sq. ft. in the Shoreland & Floodplain overlay Districts of the Apple River Parcel #22.31.18.379D, Town of Star Prairie Dear Mr. & Mrs. Thommes: This letter confirms zoning approval according to the plans you have submitted for filling and grading < 10,000 square feet within 300 feet of the Ordinary High Water Mark (OHWM) of the Apple River to construct a driveway, single-family dwelling, a detached garage, and a private on-site wastewater treatment system (POWTS) on the property referenced above in the Town of Star Prairie. Community Development Department (CDD) staff finds that the proposed project meets the spirit and intent of the St. Croix County Zoning Ordinance and Shoreland and Floodplain overlay districts with the following findings: 1. Filling and grading an area less than 10,000 square feet within 300 feet from the OHWM on slopes less than 25 percent is allowed with a land use permit in the Shoreland Overlay zoning district pursuant to Section 17.29(2)(c) of the St. Croix County Zoning Ordinance; 2. The filling and grading will consist of excavating for the foundation of a two-bedroom single-family dwelling, detached garage, driveway, and a POWTS, which will be located within 300 feet of the OHWM of the Apple River back water. The proposed driveway, single-family dwelling, and POWTS meet the 75'setback from OHWM and other required setbacks and dimensional standards contained in the county Shoreland Overlay zoning ordinance; 3. The proposed principal and accessory structures will be located outside the identified floodplain boundary and are not subject to Floodplain Overlay zoning ordinance. As long as the foundation and the lowest building openings are above the 100 yr. flood elevation of 865' MSL (shown on house construction plans, site plan, and map of survey) and kept outside the identified floodplain boundary, the principal and accessory structures will only be required to meet General and Shoreland zoning ordinance requirements; 4. A sanitary permit has been issued for the project. The POWTS' proposed system elevation will be above the identified floodplain elevation of 865' MSL. Phone 715.386.4680 Government Center, 1101 Carmichael Road, Hudson, WI 54016 Fax 715.386.4686 www.sccwi.us/cdd www.facebook.com/stcroixcountywi cdd Pco.saint-croix.wi.us Community Development Department Page 2 5. The applicant's stormwater management plan includes an erosion and sediment control plan. With conditions to install appropriate erosion and sediment control measures e.g. silt fence or sediment"logs"along the floodplain boundary (identified on the map of survey) prior to beginning excavation, to maintain erosion control measures until self-sustaining permanent non-invasive vegetation is established on all disturbed areas, and to prohibit the use of phosphorous fertilizer to maintain a lawn, negative impacts to the water quality of the adjacent wetlands and Apple River will be minimized; 6. The closest portion of back water of the Apple River identified on a map of survey is —100 ft. from the floodplain boundary and the west side of the proposed house and garage. With conditions to maintain a minimum vegetative buffer zone extending 35 feet inland from the river's OHWM and comply with tree cutting regulations in Section 17.28, the project will preserve shore cover and natural beauty of the river and wetlands; 7. A storm water management plan was included in the application that will allow infiltration of the first 1.5"of runoff from impervious surfaces (-2800 sq. ft. total). The house and garage roof will create 1600 sq. ft. of impervious surface and runoff will be directed into a 3'x 70'x 1'seepage bed on the west side of the structures (between the buildings and floodplain boundary). The driveway runoff will be infiltrated using rain gardens that will assimilate an additional 150 cubic feet of water. With a condition that an affidavit documenting the stormwater management plan be recorded against the property prior to construction, this will meet requirements in Section 17.29(2)(c)3; and 8. The Wisconsin Department of Natural Resources (DNR) was sent a copy of the application on November 4, 2013 for review. Mike Rogney, Water Management Engineer, commented that though the house is very close to the Base Flood elevation, the structures appear to be outside the floodplain and will not be subject to state R 116 floodplain regulations. A DNR grading permit will not be required for land disturbance less than 10,000 sq. ft. and outside the 75'OHWM setback. Based on these findings, approval of the land use permit is subject to the following conditions: 1. Prior to commencing construction, the applicant shall obtain all applicable local, state, or federal permits and approvals required for construction of the driveway, house and garage. A sanitary permit has been issued for installation of the POWTS. The applicant will need to provide a copy of the land use permit and an erosion control plan to the town's building inspector in compliance with Uniform Dwelling Code requirements. 2. The applicant shall record an affidavit referencing the approved stormwater management plan with the Register of Deeds prior to commencing construction and before the pre- construction meeting (affidavit form enclosed). 3. A pre-construction on-site meeting must be scheduled with CDD staff to verify placement of erosion and sediment control measures and that the stormwater affidavit has been recorded. The applicant will be responsible for directing contractors to implement storm water management and erosion control plans, which include installation of silt fencing, straw waddles, and/or sediment logs between areas of exposed soil on the construction site and the floodplain boundary to control contaminated runoff and prevent any filling of adjacent wetlands. Photos will be taken to document pre-construction site conditions for enforcement purposes. Phone 715.386.4680 Government Center, 1101 Carmichael Road, Hudson, WI 54016 Fax 715.386.4686' www.sccwi.us/cdd www.facebook.comjstcroixcountywi cdd@co.saint-croix.wi.us Community Development Department Page 3 4. The sanitary permit issued for installation of the POWTS will require compliance with all conditions of the land use permit and the applicant is responsible for notifying contractors of the conditions regarding erosion and sediment control during excavation. 5. The applicant shall maintain all erosion and sediment control measures until permanent, self-sustaining vegetation is successfully established on all disturbed areas of the site, including a 35' buffer zone along the river. 6. No phosphorous fertilizers shall be used on the disturbed areas of the site, unless a soil test confirms that phosphorous is needed for establishing permanent vegetative cover. 7. Within 30 days of completing the project, the applicant shall submit to the CDD photos of the completed structures, the stormwater infiltration devices, and stabilized disturbed areas for documentation of compliance with conditions. Photos may be sent electronically via e-mail attachment. This approval does not allow for any additional construction, structures or structural changes, grading, filling, or clearing of vegetation beyond the limits of this request. Your information will remain on file in the St. Croix County Community Development Department. It is your responsibility to ensure compliance with any other local, state, or federal rules or regulations, including obtaining a building permit from the Town of Somerset. Please feel free to contact me with any questions or concerns. Sinc- / •amela Quinn Land Use Specialist Enc: Land Use Permit LU88119 Stormwater Affidavit form Cc: Brian Wert, Building Inspector, Town of Star Prairie Mike Wenholz, WDNR Shoreland Zoning Mike Rogney, WDNR Floodplain Engineer Phone 715.386.4680 Government Center,1101 Carmichael Road, Hudson, WI 54016 Fax 715.386.4686 www.sccwi.us/cdd www.facebook.com/stcroixcountvwi cdd(a co.saint-croix.wi.us -0 v o o m � 8 rill n • .=1, ■ '� Cl) .ilit N fv c 1 LA > Z 0 , m E o 4,i X t S ta .-. CO O � n o g eg% rl c AIL. 0 b . 0 R. 0 0 0. 1 — 3 O CD a =ma CD , c _ y = = o = CD N ~ 1' o o+ tu N = 0 � b N 0 Z n 0 cD ma o r W z • cD CA O n 3 XI . O N cD CD Q. y cn O cD . °° o o' a z- -i 0 o O o I. m m cn = _• Cl): cn o a ■ z c ♦ m3 ' al n y CD D 5' I 3 . i', Plii Cl) -.. Z o` -v c 0 d m 0. 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O ^ = W C Q Z Z S A O 4 /'� A a - A m A A A H CT) l 1 y s s o 4 o '+ O H_ a a = S3 �• d (A) a y O � y T m R S m Z yl b m e. t Schmitt and Sons Excavatin g Inc. 586 Valley View Trail Somerset, WI 54025 Applicant: James&Tara Thommes Agent: John Schmitt 2055 Cty Rd C 616 150th Ave. Somerset, WI 54025 Somerset, WI 54025 Permit Request: Land Use Permit for filling and grading of less than 10,000 square feet within 300 feet of the OHWM of the backwaters of the Apple River on slopes greater than 12%. Project Location Located in the Southwest 1/4 of the Northwest 1/4 of Section 22, Township 31 North, Range 18 West, Town of Star Prairie, St. Croix County, Wisconsin; more particularly described in Exhibit A, Project Description: The project will consist of excavating and backfilling a 936 square foot house and a 576 square foot garage served by an 80 foot long driveway. Also included in the project will be a 2 bedroom 0.7 gallon/day/square foot conventional septic system and a well. STORM WATER MANAGEMENT PLAN N Hatt*and Garage I Thom** . Project Norm: I. malf1/4,822 131$,R1SW Lewd Description:SWIM* P.I.D: 838409840400 t Subdivision Name:NA lot* NA *CAM I"1 a 4Ir ' Toviest*l:STAR PRAM Parcel Size:5 Acres County ST.CROIX Flood Plain Elevationl$8.78*al 121111(Sea Level) 1 ' . Ca g°1''i■ • .., leel 0' -. i'l- i2. ..- --i f s i LT I:6 Al" O To 8 e ...- ..... — , . ....- ni. k%orvettijt e ....- % ..., .., I,. 4, 1 F LO .15 ?IA tek) 45 \AA its%- alti 04=0, WeEEt) 2 , iilitif,/ / . • // '''''., / / -. 3)(70 e P. SAW I F sEfOAO i i / A 44„,...t.' / I ., / i ' C ill / r.,/ # a‘.4 )...... '- / / 0 1. ' ''' 'I Aft '$ f --4;,. ' , 1 I RNA'', , 44....,„ ,,...,, I 6ike$0.4. ,, ,;',11"` i I 11 ''. 1 I ' ' ' .11.- 0 1 / ) I I*. / rt: I I 1 A i , w -Nor' ... i I / i / k. ‘ / _ it illef „.I Y Pam Quinn From: Wenholz, Michael D - DNR <Michael.Wenholz @ wisconsin.gov> Sent: Monday, December 09, 2013 11:42 AM To: Pam Quinn Subject: RE: land use permit application #LU88119 for Shoreland home construction - Thommes Pam, The department's only comment regarding the Thommes land use permit request is to assure the development and construction on the site is not within or cause discharge to any wetlands, that all conditions of the St. Croix County Shoreland Zoning ordinance are met, and the proposed stormwater management plan submitted with the application is implemented. Please note that these comments are in regard to shoreland zoning only, and do not reflect applicable erosion control, waterway permitting, or other department regulations. Thank you for the opportunity to provide comments. Please contact me if you have any questions regarding this email. Mike Michael Wenholz Department of Natural Resources Bureau of Watershed Management- Regional Shoreland Specialist 1300 W.Clairemont Ave. Eau Claire,WI 54702 715-839-3712 michael.wenholz @wisconsin.gov Quality Customer Service is Important to Us. Tell Us How We Are Doing. Water Division Customer Service Survey https://www.surveymonkey.com/s/WDNRWater Original Message From: Pam Quinn [mailto:Pam.Quinn @co.saint-croix.wi.usj Sent:Thursday, December 05, 2013 8:43 AM To: Wenholz, Michael D- DNR Cc: Rogney, Michael R- DNR Subject: FW: land use permit application#LU88119 for Shoreland home construction Hi Mike W., I received the comments below from Mike R., but wanted to check with you about any Shoreland concerns so I can finish the permit. I've talked with Rogney about the close proximity of floodplain and am going to require in conditions that a sediment control barrier be installed along the floodplain boundary and no fill or excavated materials may be placed on the floodplain/wetlands side of the barrier. All stockpiled soil and equipment must remain in the limited area outside the floodplain. I work with the excavator/plumber Schmitt regularly and he is very cooperative in handling these 1 sensitive Shoreland sites. I went out to the site Tuesday and took attached photos. I'm sure the surveyor was shooting elevations on the top of foundation walls-the floor is just above the floodplain elevation of 865' based on visual comparison. I talked to building inspector and he said that if the house is outside the floodplain, the LBO does not have to be 2' above the 865' elevation. I advised John Schmitt that they should still try to bring the house and lower door opening up at least 12" from the plans,which currently have it about 865.39'. Pam Quinn, Land Use Specialist (POWTS) St. Croix County Community Development Dept. 1101 Carmichael Road Hudson, WI 54016 715-386-4680 pam.quinn @ co.saint-croix.wi.us Original Message From: Rogney, Michael R- DNR [mailto:Michael.Rogney @wisconsin.gov] Sent: Monday, December 02, 2013 10:12 AM To: Pam Quinn Subject: RE: land use permit application#LU88119 for Shoreland home construction Good Morning Pam, From a floodplain standpoint, according to the map presented by the registered surveyor, the house is proposed outside the mapped floodplain for the Apple River.The structure did seem very close to the defined BFE elevation, but it was concluded by the Department to be located outside of the floodplain.Therefore, St. Croix County's Floodplain Ordinance and NR 116 would not apply to the structure. Feel free to contact me if anything else comes up. El Michael R. Rogney Water Management Engineer Wisconsin Department of Natural Resources 1300 W. Clairemont Ave Eau Claire,WI Service Center Phone: (715)839-3735 Fax (715)839-6076 E-mail: Michael.Rogney@wisconsin.gov Quality Customer Service is Important to Us.Tell Us How We Are Doing. Water Division Customer Service Survey https://www.surveymonkey.com/s/WDNRWater Original Message From: Pam Quinn [mailto:Pam.Quinn @co.saint-croix.wi.us] Sent:Wednesday, November 27, 2013 2:18 PM To: Wenholz, Michael D- DNR Cc: Rogney, Michael R- DNR Subject: RE: land use permit application#LU88119 for Shoreland home construction Hi fellas, I'd like to move on the Thommes land use permit and sanitary permit when I return from Thanksgiving holiday, so would you please send me any comments for inclusion in the findings and conditions? Their contractor was asking about it and I'm obligated to get the sanitary permit issued by Dec.4th. Thanks, Pam Quinn, Land Use Specialist(POWTS) 2 ST. CRO -� ,NTY LAND USE PERMIT File#: GU�I$llq �� isca is APPLICATION Office Use only A Irv. ' �. _ r► Property oyr: ES 4 7,►.2 A TH 0► tvl S Contractorgeith JOHN SC -i►vi t T T Mailing Address: Z O S S (0‘4A1 r V 4 C Mailing A ss: �(o /SO ' H kof ST t: Saort'1.1 1eSt T, W S`/CL Sr eR�/ OV /2 5 rii es e7 , WI S �/D 2 S tN4 Daytime Phone: ( ) Daytime Phone:( ) Cell: (rpS/) Z69— Z7ZZ Cell: (7/S ) 76 1) - C g 6 l E-mail: E-mail: J ,.5 C {7 4'1 i 11 e S 11 0 t1 T e J- 11 e ,^ x �a` �,, � � d �� _<.s�z a .�<. `�r "��if ,r �`�� ��w- a�� �t+^- `� x�x 'to `u °i r F ., c`a'w y ,1� �.y - -t— 'S di; ^'�d z r+ _'a g�,.,'e �-s. v, � sl ,3, r l%. '� ,"`' !4 - T : , i �F 4 4. t'.-,t+' .a !w „�, y. as p?pc Site Address: Property Location:...51/t/ 1/4, 1Q14/4, Sec. Z Z ,T.31 N.,R. /g W.,Town of S'Tide P 4 IRIS' Computer#: Z.Z - 3 / - I U - 379Z Parcel#: 03$ . /D 9Z . '/0 . O 0 0 i.1:;- - + # k x ti �.C" wr ir :-$ J t ` ± a a + i.I'.3:M �4sx3.--.-s-1 Y a a M fi r x x ;j� ,a� � � i . `h x, <. r,77` tt. , + rxR.',L 6 i , - s� s �`. C ;.. S� � ,, 7 i 03/944g onin District(Check one): Cl AG. Cl IIS. Cl RESIDENT 0 COMMERCIAL 0 INDUSTRIAL Zoning ( ) Overlay District(Check all that apply): LW SHORELAND Cl RIVERWAY ffFLOODPLAIN 0 ADULT ENTERTAINMENT Type of Land Use Permit Request(Check one): C ak� J �Cai 0 Animal Waste Storage Facility $550 0 Wireless Communication Tower(Co-location) $550 O Nonmetallic Mining Operation $550 0 Lo St. Croix Riverway District $350 0 Signage $350 r 'Shoreland°r"J6 $354 0 Floodplain $350 0 Temporary Occupar $350 0 Grading&Filling, 12-24.9% Slopes $350 0 Livestock Facility $1,000 0 Other: O Permit processed in conjunction with a Land Division, Special Exception or Variance $50 � State the nature of your request SE e 4 T`rf+c oi t-J •�!�'j l I 4GrzaL 4 /0 COI • <32)/ 40 OWW/Vl Zoning Ordinance Reference 17 Zq(2)(c) "" .. r. '"r rrr, i ?„; 'r._;a :'`$ . ,+ ,,,,, ,a:. was-�. ,.. '� s „'�A n• 3r -w 4,,:,=:',�'. `'..4 I attest that the information contained in this application is true and correct to the best of my knowledge Property Owner Signature: Date 7/-/- /3 Contractor/Agent Signature: eil/h`I / , Date //-3/3 ._, , p, _ j ,_ 4,, ,FiCE-U NIX 1/i Complete Application Accepted: /1i i - . • Fee Received:L/ /i $ e5Z,,G0 Receipt#: 3D7 42-'5'F 715.386,4680 ST.CROIX COUNTY GOVERNMENT CENTER 715-386-4686 FAX CDDCCO.SAINT^CROIX.WI.US 1 1 01 CARMICHAEL ROAD,HUDSON,WI 54016 www.sccwi.us/cdd APPLICATION: Applications will not be accepted until the applicant has: • Met with the Zoning Administrator to review the application; • Submitted Original plus 2 copies of the entire packet including all supporting information,maps&diagrams; • • Resolved any land use violations and paid any outstanding fees owed to the Community Development Department; • Signed the application form(the signatures of the property owners and agents acting on their behalf are required);and • Submitted the appropriate application fee(nonrefundable)payable to St.Croix County. REVIEW: The Zoning Administrator will review the application for completeness and assign a file number to the application.The Zoning Administrator may require additional information and will notify the applicant of this within 10 days.Upon receiving a complete application and supporting documents,the Zoning Administrator will: • send copies of the applications to the appropriate reviewing agencies for comment.Applicants-are encouraged to contact their town to discuss their application and inquire about necessary building permits and approvals at the town level; • schedule a site visit to the applicant's property,at which time the applicant shall flag all applicable property/project corners and label the flags accordingly;and • review the file and prepare findings for approval or denial of the permit within 60 days.Upon approval,the permit will be mailed to the applicant or to the applicant's agent. If approved,the land use permit will be valid for one year from the date of the permit issuance.The applicant may also be required to apply through the Town for a local building permit.All site plans,pictures,and other materials submitted with the application become the property of the Community Development Department and will remain in the file. ' 1 , ❑ Completed and signed application form with fee. ❑ Original plus 2 copies needed of the entire packet including ALL supporting information,maps&diagrams. ❑ A general written statement that specifically exp ains the request. ❑ A statement indicating whether or not a private water or sanitary system is to be installed. ❑ Recorded Warranty Deed(may be obtained at the Register of Deed's office). ❑ A complete site plan showing: • project location in the town; • lot/parcel dimensions with total lot area,property lines,and all applicable setbacks; • location of existing access roads,right-of-way,road setbacks,and recorded easements; • location of all existing and proposed structures with their square footage and distance from setbacks; • location of existing and proposed POWTS,wells,driveways,parking areas,access,signs,and other features; • location of slopes 12%and greater(minimum contours to be determined by the Zoning Administrator); • all blufflines and slope preservation zones(Riverway)and setbacks from blufflines; • location of the OHWM of any abutting navigable waterways and all setbacks from the OHWM; • location and landward limit of all wetlands,specifications and dimensions for areas of proposed wetland alteration; • existing and proposed topographic and drainage features and vegetative cover; • location of floodplain and floodway limits on the property;and • any other unique limiting conditions of the property or information deemed necessary by the Zoning Administrator. For projects that involve land disturbance requests,the following additional information may be required: ❑ Detailed drawings(scale should not be greater than 1 inch to 200 feet). ❑ Grading plan showing grading limits and pre and post contours. ❑ Project schedule and contractor list. ❑ Erosion control plan(Best Management Practices). ❑ Storm water management plan stamped by an engineer and including all runoff calculations. ❑ Vegetation plan including schedule,seeding rates,and species size,type and location. ❑ Other documents: NOTE: All maps, plans, and engineering data shall be no larger than 11x17. No covers, binders, or envelopes. Staple or paperclip your application in the upper left-hand corner. Page2of2 Pam Quinn From: Rogney, Michael R- DNR <Michael.Rogney @wisconsin.gov> Sent: Monday, December 02, 2013 10:12 AM To: Pam Quinn Subject: RE: land use permit application#LU88119 for Shoreland home construction Good Morning Pam, From a floodplain standpoint, according to the map presented by the registered surveyor,the house is proposed outside the mapped floodplain for the Apple River.The structure did seem very close to the defined BFE elevation, but it was concluded by the Department to be located outside of the floodplain.Therefore,St. Croix County's Floodplain Ordinance and NR 116 would not apply to the structure. Feel free to contact me if anything else comes up. 17 Michael R. Rogney Water Management Engineer Wisconsin Department of Natural Resources 1300 W. Clairemont Ave Eau Claire,WI Service Center Phone: (715)839-3735 Fax (715)839-6076 E-mail: Michael.Rogney@wisconsin.gov Quality Customer Service is Important to Us.Tell Us How We Are Doing. Water Division Customer Service Survey htto://www.surveymonkey.com/s/WDNRWater Original Message From: Pam Quinn f mailto:Pam.Quinn @co.saint-croix.wi.usl Sent:Wednesday, November 27, 2013 2:18 PM To:Wenholz, Michael D- DNR Cc: Rogney, Michael R- DNR Subject: RE: land use permit application#LU88119 for Shoreland home construction Hi fellas, I'd like to move on the Thommes land use permit and sanitary permit when I return from Thanksgiving holiday, so would you please send me any comments for inclusion in the findings and conditions? Their contractor was asking about it and I'm obligated to get the sanitary permit issued by Dec.4th. Thanks, Pam Quinn, Land Use Specialist(POWTS) St. Croix County Community Development Dept. 1101 Carmichael Road Hudson, WI 54016 715-386-4680 pam.quinn @co.saint-croix.wi.us Original Message From:Wenholz, Michael D- DNR f mailto:Michael.Wenholz @wisconsin.govl Sent: Friday, November 08, 2013 9:50 AM 1 Pam Quinn From: Wenholz, Michael D - DNR <Michael.Wenholz @wisconsin.gov> Sent: Friday, November 08, 2013 9:50 AM To: Pam Quinn Subject: RE: land use permit application #LU88119 for Shoreland home construction � ✓i;' '�,?&�'�'�°"�dP'^" .t i ..9.� off' yy +�-1rJ��.� . k ,. .awm, .- it Mike Original Message From: Pam Quinn [mailto:Pam.Quinn @co.saint-croix.wi.usl Sent: Friday, November 08, 2013 9:46 AM To:Wenholz, Michael D- DNR Subject: RE: land use permit application#LU88119 for Shoreland home construction Thanks, will you please share the information I sent? I will include comments from both of you in the findings and conditions of the permit when issued. Pam Quinn, Land Use Specialist (POWTS) St. Croix County Community Development Dept. 1101 Carmichael Road Hudson, WI 54016 715-386-4680 pam.quinn @co.saint-croix.wi.us Original Message From: Wenholz, Michael D- DNR [mailto:Michael.Wenholz @wisconsin.govl Sent: Friday, November 08, 2013 9:37 AM To: Pam Quinn; Rogney, Michael R- DNR Subject: FW: land use permit application#LU88119 for Shoreland home construction Pam, For future refere • any floodplain or . Thanks. Mike Original Message From: Pam Quinn [mailto:Pam.Quinn @co.saint-croix.wi.usl Sent: Friday, November 08, 2013 8:39 AM To:Wenholz, Michael D- DNR Cc: bagency @sbcglobal.net Subject: land use permit application#LU88119 for Shoreland home construction 1 I am working on both the sanitary permit and this land use permit for new home construction along the Apple River in the Town of Star Prairie. John Schmitt is both the plumber&excavator on the job, so it will be easy to coordinate erosion controls, etc. for this site. Sanitary code requires the septic system to be above the floodplain and we will measure all elevations in mean sea level to verify compliance with Shoreland,floodplain ordinance requirements. Pam Quinn, Land Use Specialist (POWTS) St. Croix County Community Development Dept. 1101 Carmichael Road Hudson, WI 54016 715-386-4680 pam.quinn @co.saint-croix.wi.us Original Message From: Administrator Sent: Friday, November 08, 2013 7:27 AM To: Pam Quinn Subject: Message from "RNP15651F" This E-mail was sent from "RNP15651F" (MP 6001/LD360). Scan Date: 11.08.2013 08:27:11 (-0500) Queries to: administrator@co.saint-croix.wi.us 2 Schmitt and Sons Excavating Inc. 586 Valley View Trail Somerset, WI 54025 Applicant: James& Tara Thommes Agent: John Schmitt 2055 Cty Rd C 616150th Ave. Somerset,WI 54025 Somerset,WI 54025 Storm Water Management Plan for James & Tara Thommes 2055 Cty Rd C Project Location The site is located in the Southwest 1/4 of the Northwest 1/4 of 22, Township 31 North, Range 18 West, Town of Star Prairie, St. Croix County, Wisconsin.; more particularly described in Exhibit A Storm Water Management Description: The project will consist of approximately 2800 square feet of impervious surface including the driveway. All roof areas will drain to in ground seepage beds via a rain gutter system installed on the buildings. The driveway runoff will be directed to small rain gardens on either side of the driveway. All disturbed areas will be stabilized as soon as possible. Silt fence or other means of erosion will be installed where necessary. • Schmitt and Sons Excavating Inc. 586 valley View Trail Somerset, WI 54025 715-760-0486 Stormwater Calculations Thommes Land Use Permit Cabin Home size: 26'X 36' = 936sqft Garage size: 24' X 24' =576sqft 1600sgft 1600sgft X 0.125inches of rain = 200 cubic feet of water Both buildings will drain to a 3' X 70' X 1' seepage bed to the west of the structures. The driveway runoff will be directed to shallow rain gardens on either side of the driveway. The rain gardens will be approximately 15' in diameter and 6" deep on the average for 176 cubic feet of capacity, handling the 150 cubic feet of water from a 1.5" rain event. it UI Jtl'�1-B.V1fl1T� L�l^�t LP)g .- ..---, ---,Z0 ---_.......___— ..,._.___.., __ NOO°05'14"W 569\12' ___If 2061 16' Iv m _ SWIM ~ WEST LINES THE NW 114 N i74 N. a ' ,'(too. '` 1 -4 r`aGs, m's, CO ti� ;r. CO g '\ �'); -1 r J / L' N 0. 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