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7.3. SR 01-16-2018 EGty1� ,.,�� Request for Action River To Item Number Mayor and City Council 7.3 Agenda Section Meeting Date Prepared by Public Hearings January 16, 2018 Zack Carlton,Planning Manager Item Description Reviewed by Zone Change, Conditional Use Permit, and Chris Leeseberg, Senior Planner Preliminary Plat: Paxmar,LLC for Expansion of Reviewed by Miske Meadows Justin Femrite, City Engineer Cal Portner, City Administrator Action Requested Adopt,by ordinance, the rezoning from R-1c/d to Planned Unit Development (PUD) with the condition a PUD agreement is approved by the City Council prior to recording the Zone Change. Approve,by motion, the Conditional Use Permit amending the existing Miske Meadows PUD,with the following conditions: 1. An update to the PUD Agreement shall be developed and signed by both parties prior to issuance of a building permit. 2. Building pads and house types must be updated along Twin Lakes Parkway, Edison Ct. NW, and Ivanhoe Street NW to preserve at least 15 feet of buildable land between a building pad and the rear drainage and utility easements. 3. Staff approval of updated plans reflecting the additional 12 lots south of Twin Lakes Road where the park area had been proposed. 4. Satisfaction of all comments in the comment letter dated January 4, 2018. 5. Payment of park dedication fees equal to the credit given for the land dedication described in the Development Agreements for Miske Meadows 1, 2,& 3 - $13,504.35 Approve,by motion, the updated Preliminary Plat for Miske Meadows,with the condition that staff approves all updated site, engineering, utility, and house fit plans. Background/Discussion On May 16, 2016, the City Council approved the preliminary plat of Miske Meadows. Two updates to the preliminary plat have been approved paving the way for 251 buildable lots. The current update adds approximately 34 acres to the subdivision and improves to the road network by providing better east-west connections. The changes create some concerns with wetland setbacks and staff has been working with the applicant to address these issues through the PUD process. The proposed plat includes 385 buildable parcels that will be phased in as the market permits. Planning Commission During the public hearing three residents spoke and expressed concerns with traffic and the impacts further development of the Miske Meadows area will have on the surrounding road network. Specific concerns included: ■ Visibility and safety at Twin Lakes Road and Lincoln Street. POWERED 6T AR ■ Traffic volumes and speed along Cleveland Street ■ Increased traffic and speed due to the planned connection of Twin Lakes Parkway across the Trott Brook. The Planning Commission echoed many of the resident's traffic concerns and recommended completion of a traffic study. Staff directed Paxmar to complete a traffic analysis and the report was received on January 8, 2018. The 2004 traffic study evaluated the impact of the 547 single-family homes and 174 townhome units proposed with the original River Park subdivision. The study did not include an elementary school. The current proposal, along with what has already been approved,includes 462 single-family homes, 32 townhome units, and the elementary school. The report is attached, and shows an overall reduction in daily trips, an increase in AM peak traffic (attributed to the school), and a near neutral result for the PM peak hour. The traffic study projected 2011 traffic volumes along Twin Lakes Road to reach 8,200 under a build scenario and 5,700 under a no-build scenario. The traffic counts completed in 2014 show 5,500 daily trips,below the projection in the traffic study under the no-build scenario. The city has also asked Paxmar for an additional evaluation of the traffic volumes on adjacent county roads and intersections, but the results have not yet been received. Additionally, the 2004 traffic study recommended a number of public improvements intended to address the increase in traffic. These include reconfiguring the intersection of Cleveland Street and Twin Lakes Road, construction of an eastbound bypass lane at Cleveland Street and Main Street,paving Cleveland Street as a two-lane rural roadway. These improvements have since been completed, and the impacts of adding the subdivision have been mitigated in accordance with the 2004 traffic study. Finally, the city has always intended to have Twin Lakes Parkway connected with the Miske Meadows subdivision. There will be an increase in traffic along Twin Lakes Parkway and through the Twin Lakes subdivision which has always been the intention. Additional comments have not been received, and the Planning Commission recommended approval of all three requests by a 6-1 vote. Statutory Review Period Per State Statute §15.99 the required 60-day review period was extended to February 27, 2018. Attachments ■ December 19, 2017 Planning Commission Packet ■ Miske Meadows Traffic Memo dated January 8, 2018 ■ River Park Traffic Report dated April 2004 ■ Ordinance Amendment (Zone Change) ■ Comment Letter dated January 4, 2018 N:\PubhcBodies\Agendo Packets\01-16-2018\Final\7.3 sr Nfiske Plat Update CC 1-16-2018.docx City of Elk az River Request for Action To Item Number Planning Commission 5.1 Agenda Section Meeting Date Prepared by Public Hearings December 19, 2017 Zack Carlton, Planning Manager Item Description Reviewed by Paxmar, LLC Chris Leeseberg, Senior Planner Zone Change for PID 75-136-1200 to Planned Unit Development (PUD), Case No. ZC 17-08 Reviewed by Conditional Use Permit to amend Miske Meadows PUD, Case No. CU 17-35 Preliminary plat amendment of Miske Meadows, adding PID 75-136-1200 and Oudot A, River Park, Case No. P 17-21 Action Requested Recommend, by motion, approval of the zone change from R-1c/d to Planned Unit Development, with the following condition: 1. A PUD agreement must be approved by the City Council prior to recording the Zone Change. Recommend, by motion, approval of the update to the Conditional Use Permit to amend the existing Miske Meadows PUD, with the following conditions: 1. An update to the PUD Agreement shall be developed and signed by both parties prior to issuance of a building permit. 2. Building pads and house types must be updated along Twin Lakes Parkway, Edison Ct. NW, and Ivanhoe Street NW and approved by city staff. 3. Update all plans to reflect the additional 12 lots south of Twin Lakes Road where the park area had been proposed. Recommend, by motion, approval of the update to the Preliminary Plat for Miske Meadows, with the following condition: 1. Updated engineering and utility plans must be approved by city staff. Background/Discussion On May 16, 2016, the City Council approved the preliminary plat of Miske Meadows. Two updates to the preliminary plat have been approved, paving the way for 251 buildable lots. The current update adds approximately 34 acres to the subdivision and improvements to the road network providing better east - west connections. The changes create some concerns with wetland setbacks, and staff has been working with the applicant to address these issues through the PUD process. To facilitate the changes to the subdivision, three applications are required: 1. A zone change from R-1c/d to PUD for the 34 acres being added to the plat. 2. A Conditional Use Permit to amend and update the current PUD agreement. 3. A preliminary plat to review and update the approved preliminary plat. P a w E A E U s r NaA f RE] Comprehensive Plan The Comprehensive Plan guides this area for urban residential served by city sewer and water. Targeted densities range between 3 and 4 units per acre, with the potential for some small lot development areas with densities up to 8 dwelling units per acre. The proposed subdivision is consistent with the comprehensive plan. Site Plan All of the changes are south of 190' Ave NW, which connects to Cleveland Street and was constructed this past summer. A new connection to Cleveland is proposed approximately'/4 mile south of 190"' Ave, and is planned to bridge the Trott Brook, creating a connection to Twin Lakes Estates and Twin Lakes Parkway. The proposed extension of Twin Lakes Parkway bends around a large wetland, and creates a needed east -west connection between Twin Lakes Road and Cleveland Street. Proposed lot widths are consistent with previous approvals, and range between 65 and 70+ feet. The setbacks remain the same at 25' front yard, 15 feet between buildings, and 30' rear. All homes will have access to a public street, and there are no additional association maintained areas within the subdivision. Wetlands The south half of the subdivision has many more wetlands than the north half, and there are some challenges in placing the buildable parcels and public infrastructure around them. The city's wetland ordinance requires a 25 foot no impact buffer around the delineated wetland edge and an additional 20 foot setback after to buffer prohibiting structures and impervious surfaces. Current standards require that all privately owned parcels remain outside of the 25 foot buffer, and the additional 20 foot setback must be protected by an easement when it is within a buildable parcel. In order to meet these requirements, the developer made a number of changes to their original submittal. The primary changes include shortening the lot depth and the corresponding buildable portion of the lot to maintain usable backyard space. The attached house lot fit plan shows some of the changes to the house and building pad type, but additional changes to homes along Twin Lakes Parkway and Edison Court are needed to ensure there is adequate space for decks and usable backyard areas. Parks The Parks and Recreation Commission reviewed the proposed plat during their November 15 and December 13, 2017, meetings. The proposed plat update relocated the park area to accommodate the changes to the roadway network. After the November meeting and upon further review of the grading plan, staff suggested eliminating the park area from this subdivision, receiving a cash dedication, and adding additional lots where the park had been located. Removing the park added 12 buildable lots, and the Parks Commission recommended the cash dedication. Previous Development Agreements gave credit for a land dedication, but with the elimination of the park area the difference for the previously approved plats will be due upon approval of the preliminary plat update. Engineering and Utilities Changes to the road network also facilitated changes to the public utilities. One of the reasons for the change included reducing the amount of deep sanitary service lines. Deep service lines are expensive to install and difficult to maintain once the city takes ownership. These concerns have been addressed with the plat update. N:\Departments\Community Development\Plaiuung\Agendas\PC Packets\12-19-2017\Done\5.1. P 17-21 Uske Plat Update PC 12-19-2017.docx Runoff is treated in a number of stormwater ponds, and the changes must satisfy all city requirements. None of the ponds are anticipated to hold water, and homes around the ponds are not required to meet the wetland/stormwater setback requirements. Staff continues to review the plans and requirements with the applicant. Applicable Regulations Zone Change In revien ung a proposed amendment, consideration shall be given to existing conditions within the area directly and indirectly affected by the proposal, the conservation ofpropero values, the use to which the propery affected is being devoted at the time, and relevantprovisions, if any, in the land use plan. The proposed use complies with the guidance provided in the land use plan. Conditional Use Permit/PUD The issuance of a Conditional Use Permit can be ordered only if the use at the proposed location: 1. mill not endanger, injure or detrimentally affect the use and enjoyment of other property in the immediate vicinity or the public health, safety, morals, comfort, convenience orgeneral n elfare of the neighborhood or the city. The residential use will not detrimentally affect the use and enjoyment of adjacent properties. 2. mill be consistent with the comprehensive plan. The property is guided for urban residential uses and will be consistent with the comprehensive plan. 3. mill not impede the normal and orderly development and improvement of surrounding vacant property. The use will not impede the normal and orderly development and improvement of surrounding vacant property. 4. Will be served adequately by and will not adversely affect essentialpublic facilities and services including streets, police andfire protection, drainage, refuse disposal, mater and sewer systems, parks and schools; and will not, in particular, create traffic congestion or interference with traffic on adjacent and neighboring public thoroughfares. The use will be served adequately by and will not adversely affect essential public facilities and services including streets, police and fire protection, drainage, refuse disposal, water and sewer systems, parks and schools; and will not, in particular, create traffic congestion or interference with traffic on adjacent and neighboring public thoroughfares. Additional connections to public streets and adjacent developments have been included to improve overall traffic circulation. These will be developed as the subdivision is final platted. S. mill not involve uses, activities, processes, materials, equipment and conditions of operation that will be detrimental to any persons orproperty because of excessive traffic, noise, smoke, fumes, glare, odors, dust or vibrations. The proposed residential use will not involve uses, activities, processes, materials, equipment, or conditions that will be detrimental to other properties. 6. mill not result in the destruction, loss or damage of a natural, scenic or historicfeature of major importance. The areas proposed for development are largely flat or rolling agricultural areas and the proposal will not impact or result in the destruction of existing natural or historic areas. N:\Departments\Community Development\Plaiuung\Agendas\PC Packets\12-19-2017\Done\5.1. P 17-21 Uske Plat Update PC 12-19-2017.docx 7. millfully comply n ith all other requirements of this Code, including any applicable requirements and standards for the issuance of a license orpermit to establish and operate the proposed use in the city. The use will fully comply with all other requirements of this Code, including any applicable requirements and standards for the issuance of a license or permit to establish and operate the proposed use in the city. Additionally, Sec 30-1564 describes the standards for establishment of a PUD district. Land will be zoned into the PUD zoning district only upon approval of a concept plan for the PUD, pursuant to the procedure set forth in this section. A PUD will be authorized on land in a PUD zoning district only upon issuance of a conditional use permit, pursuant to the procedure set forth in this section. A conditional use permit mill be issued in accordance n ith the above standards. 2. The uses allowed in a PUD shall be limited to land uses consistent with the city's comprehensive plan and land use map, and to those uses identified in the concept plan for the PUD zoning district and the conditional use permit for the PUD. The comprehensive plan and land use map guide this area for urban residential uses served by city seaver and mater. The area of land to be included in a PUD shall be in uniform control of the applicant. The applicant will be in control of allparcels prior to recording the CUP and plat. 4. A PUD shall be designed to form a desirable unified environment within its proposed boundaries, including uniform design elements, landscaping, lighting and signage. The PUD is designed as one project nrith uniform design elements throughout the project area. The PUD agreement andpreliminary plat n,,ork to ensure the unified vision. A PUD shall not cause undesirable impacts on adjacent lands and land uses. In particular, uses on the PUD perimeter shall be compatible with adjacent uses outside the PUD. Adjacent land uses include single family residential, undeveloped land, and agricultural uses. All parcels are within the urban residential areas guided by the comprehensive plan. The PUD will not cause undesirable impacts on adjacent lands and land uses. A PUD shall be served by adequate transportation, water, sanitary sewer and drainage systems. The project area mill be served by public services, and mill not adversely impact transportation netn,,orks nvithin the area. A PUD shall not adversely affect existing or proposed parks, schools, streets or other public facilities. Existing publicfacilities are not impacted by the proposed project. 8. The council may establish varied and reasonable lot area, frontage, side yard, and setback requirements for a PUD and may authorize a density which it determines to be appropriate under the circumstances. Any permitted density shall be consistent with the city's comprehensive plan and not adversely affect the public health, safety and welfare. N:\Departments\Community Development\Plaiuung\Agendas\PC Packets\12-19-2017\Done\5.1. P 17-21 Uske Plat Update PC 12-19-2017.docx The proposal is consistent with densities described in the comprehensive plan, setbacks from public rights-of- way, and design standards for similar developments avithin city code. 9. More than one principal building may be constructed on a lot within a PUD if authorized by the council. Unless otherwise permitted by the council, a PUD shall comply with the schedules of dimensional regulations set forth in this article, except that individual lots shall have no less than 80 percent of the minimum area for similar uses. The project does not conflict with standards described in city code. Preliminary Plat City ordinance section 30-375 outlines the required findings for approval of a Preliminary Plat. 1. The proposed subdivision is consistent with the zoning regulations (article VI of this chapter) and conforms in all respects with all requirements of this Code, including the zoning regulations and this article. The proposed subdivision amendment mill accompany an updated PUD agreementfor the entire Miske Meadows subdivision. Speck design standards for this subdivision will be outlined in the PUD agreement. 2. The proposed subdivision is consistent with all applicable general and specialized city, county, and regional plans, including, but not limited to, the city's comprehensive development plan. The subdivision is consistent with all applicable plans. The physical characteristics of the site, including but not limited to topography, soils, vegetation, susceptibility to erosion and siltation, susceptibility to flooding, and drainage are suitable for the type and density of development and uses contemplated. Staff is working with the applicant to fanali.Ze engineering plans, and expects to complete the review prior to the City Council meeting. The physical characteristics of the site support the proposed development. 4. The proposed subdivision makes adequate provision for water supply, storm drainage, sewage transportation, erosion control and all other services, facilities and improvements otherwise required in this article. Staff continues to work with the applicant to fanali.Ze storm drainage concerns. Staff approval of updated engineering and utility plans is included as a condition of approval. 5. The proposed subdivision will not cause substantial environmental damage. The subdivision will not cause substantial environmental damage. 6. The proposed subdivision will not conflict with easements of record or with easements established by judgment of a court. The subdivision does not conflict with easements of record. 7. The proposed subdivision will not have an undue and adverse impact on the reasonable development of neighboring land. N:\Departments\Community Development\Plaiuung\Agendas\PC Packets\12-19-2017\Done\5.1. P 17-21 Uske Plat Update PC 12-19-2017.docx The subdivision mill not have an adverse impact on the reasonable development of neighboring land. 8. The proposed subdivision is not premature. A subdivision is premature if any of the following exists: a. Lack of adequate stormwater drainage. b. Lack of adequate roads. c. Lack of adequate sanitary sewer systems. d. Lack of adequate off-site public improvements or support systems. The subdivision is not premature as the above conditions have been providedfor. In reviewing the standards for approval of a Zone Change, Conditional Use Permit, and Preliminary Plat, the proposed project meets the standards, and is recommended for approval. Financial Impact None Statutory Review Period Per State Statute §15.99 the required 60 day review periods were extended to end on February 27, 2018. Council Meeting If acted on, these items will go to the January 16, 2018, City Council meeting. Attachments Location Map Preliminary Plat dated December 7, 2017 House Lot Fit Plan dated December 6, 2017 Sketch Plan showing additional lots dated December 4, 2017 Phasing Plan dated December 7, 2017 N:\Departments\Community Development\Plaiuung\Agendas\PC Packets\12-19-2017\Done\5.1. P 17-21 Uske Plat Update PC 12-19-2017.docx i ^T s IF 5fikifut r d N1g Jekn;i,•F,IIsrI NY.' Ui cine H v` d N}4 ` F J E .11 1 Mrmr - o in arw IL Ji y t 4 -•, a. ct • fry - -`. e1 y f w w i BREAKDOWN OF OUTLOTS —LEGEND DRAINAGE AND UTILITYEASEMENTSTO SENTsaaE seowN reus: VICINITY MAP o ° uT11II 11-1111 NDIwrs: NM," • r° Fwnv _ ENT a "° P° °" c"GcICI(I v° NOT TO SCALE) V., IN A, a, c, °, E, P, G,LI,M OFO °F aD 53DI RD sEDI Ra&GUTrAER 1'vo sSDl SUIT vnAa/DPEN svncF: H sDE s 13w. m OONT"I"clASIMINT "C ( 11PR" P51 NG) IT" I UM I NORTH Ij s o" x ¢ 3e 0 ARx3D NEPaD 53DI DESCRIPTION• PREUMiNARVP TuaDATE EA SCALE IN FEET NG SFEETmwIDTH, uNLEss oTHEawISE mTM 3sITE REIN CATEDANDAD101NINGLOTLINEs,AND "V„ y SITE SD FEET IN WIDTH, UNLESS OTHERWISE x o, ILEA vnaN SEcoI"ND noo n0" N INDICATED, AND ADIOIN ING RIGNT-ORWAV A' 4 ® TI Northwea QUa roIIINon nease Duaner(NW1/4NE 1/4)ot season 36, Township 33, R3n8e 26, LINES, AS SNOW NON THE PLAT. nempmempnr,,Mmneeae, ip a epLe eeiasnen,nem nn HianwevRienL-or-wev sh,,p Conn,Menneexe m S m m m m m m m m0% — PROPERTY SUMMARY rvnx ue 1 _ __ _ — LESS OOR ONGINNTREPOTS: 6033o; F.F.(GROSS) 2D0:00] Ac. 144. 54% z.. r LESSOUTLOTSFORPONDING/OPEN SPACE: 60.Z60Ac 30.32% Ir \ i rim rim LESSOUTUOTsroRPARD/OPEN SPACE: 14.3a6Ac. 2.30% LESS RIGHT -OF -WAV: 1 20S.F. 2x.330A 12.66% 1 U , / y?' , 3,046,4D3 s.F.(NET) 00.3DS A, 13% I F- T ' C3a A2 I , —LOT SUMMARY r J I .bb I..II , MANIMUM LOTNUMBEROF SEE: 37 6, 1 J1 I AVERAGE LOT SIZE: SD 3125 F. I— I I , `%ti I , unMLOTSEE: zso7e 511. IV I I _ \ TWIN LAKE ' SITE DENSITY r L J I i ELS E. AR 115r' f PROPOSEDDENSITV: 1.064 UNITS PER ACRE (GROSS) (373 Lots/zDD.D2s Anes) i SITE SETBACKS 3 lIDTH LOTSel— ii — \ (` El71D ENT YARD z WETLAND a DPDNDZF v r , s UPPER: s III FFR D: iD wETIAND auFFEa sETRACR: zD PEEN YARD: tTOTAL STORM WATER POND SETBACK: 45' S , I, SIDEVARD' CORNER: 25 MINIMUM TERloa smEON NIC3803 3 AaERIL3TR sD SJCaNL x LOT3gGAaAEET 3 s , —DEVELOPMENT NOTES A' 8 1. ALLAREASARCROUNDEDroTHENEARESTIIAREPDDT. 8 z 5TREETNAME5ARESUeIECTr°AVPRw LaVTHECIry WI C3.07 q LwELDFALLPGNDs° EDDVERALLPuaNc1DTESANDREQURE° DANAGEANDUTNrvATER DNSuaIERPF°PERNwLLaEVACTE°PRDRTDHNALP,T roI o°:oOFDAV1nRETNWI ' ESDNrNERLVPDRaDNDE1a3RDAINNE y /3.0IFIT— w ZONING INFORMATION va° vI. 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Engineering I Surveying I Planning I Environmental ' 1a1iss°e"oneiv Client Project I Sheet Title PAXMAR, LLC MISKE MEADOWS SOUTH PRELIMINARY PLAT ELK RIVER, MN Sheet No. Revision C3.08 Project No. 20460 TYPICAL LOT DIMENSIONS HOUSE LOT FIT PLAN PRELI MINARV PLAT UPDATE DATE: 12-06-2017 It NOR SambateklFnlnewtr915e fislmnNlEmmrvrend ROW o w 4 8 50 z 0I ra50' ---' iw c a y wa T- w Oh FE z z REAR R AR REAR 05ERAGE- 65' LOT AVERAGE - VERAGE- fi5'LOTAVERAGE- 65 LOT AVERAGE - 70 LOT AVERAGE- WIOE BY 50 DEEP50WIDEBY 50 WIDE BV 40'DEEP 50' WIDE BY6 DEEP 50' WIDE By60' DEEP PAD PAD PAD PAD V\ \\ TVPICAL HOUSE TYPE FOOTPRINTS I '\'\\• \'\ r PIAN#1 PIAN42 PIANk3 39 - 1- w 2 MISKE MEADOWS SOUTH HOUSE LOT FIT PLAN PRELI MINARV PLAT UPDATE DATE: 12-06-2017 It NOR SambateklFnlnewtr915efislmnNlEmmrvrend PHASING TYPICAL LOT DIMENSIONS ROW ROW z T T_ I T_ F_F ING E.-ING PAD PA. 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DETAILS Engineering I Surveying I Planning I Environmental Initial ISSUe 10/18/17 Project No . 20460 1 SE Main Street, #204, Minneapolis, MN 55414 888.232.5512 www.SpackConsulting.com Technical Memorandum To: Kent Roessler, Paxmar From: Mike Spack, P.E., P.T.O.E. Date: January 8, 2018 Re: Miske Meadows Traffic Comparison The purpose of this memorandum is to compare the amount of traffic generated by the proposed residential development on the Miske Property to the amount of traffic anticipated to be generated by the site’s development in the 2004 River Park Traffic Study. The site is located south of County Road 13 (Twin Lakes Road) and west of County Road 40 (Davis Street) in Elk River, Minnesota. Background In 2004, Traffic Data Inc. completed a traffic study of the proposed development area which included 547 Single Family Homes and 174 Townhomes. The current development plan is for the Miske property to be developed with 462 Single Family Homes and 32 Townhomes. Also notable since 2004 is the construction of Twin Lakes Elemntary School on the northern portion of the study site. Traffic Forecasts The Institute of Transportation Engineers’ Trip Generation Manual is a dataset of traffic generated by different land use types and is the industry standard for forecasting the amount of traffic generated by developments. A trip generation analysis was done of the proposed development per the Trip Generation Manual, 10th Edition. The results are in Table 1 shown next to the trip generation forecasts from the 2004 River Park Traffic Study. Table 1 - Trip Generation Comparison Description (Source) Daily Trips Weekday AM Peak Hour Weekday PM Peak Hour Entering Exiting Entering Exiting Entering Exiting 2004 River Park Traffic Study 3,130 3,130 116 370 411 232 2018 Update Elementary School – 820 Students (ITE- 520) Single Family Homes – 462 Units (ITE-210) Multi-Family Housing – 32 Units (ITE-220) Total 775 2,180 117 3,072 775 2,180 117 3,072 297 85 3 385 253 256 11 520 67 288 11 366 72 169 7 248 Change in Traffic with 2018 Proposal -58 -58 269 150 -45 16 Conclusion The reduction in proposed single and multi-family homes on the Miske property from the 2004 study has decreased the estimated amount of site traffic both daily and in the PM peak hour. However, the AM peak hour traffic shows an increase in traffic, which is largely due to the addition of the elementary school. APPENDIX A TRAFFIC IMPACT REPORT FOR ORRIN THOMPSON HOMES EAW ELK RIVER. IVIN Prepared by Mike Spack, P.E. TDI 612379-3844 April 2004 Table of Contents 1. Project Description..................................................................................................1 2. Existing Conditions.................................................................................................1 3. Traffic Forecasts...................................................................................................... 6 4. Traffic Operations Analysis.....................................................................................7 5. Mitigation Measures...............................................................................................15 6. Conclusions and Recommendations....................................................................16 List of Fiaures Figure1 - Location Maps.............................................................................................2 Figure 2 - Proposed Site Plan.....................................................................................3 Figure 3 - Existing Geometrics & Traffic Control.......................................................4 Figure 4 - Existing Traffic Volumes............................................................................5 Figure 5 - Trip Distributions........................................................................................8 Figure 6 - 2011 A.M. Peak Hour Traffic Volumes....................................................... 9 Figure 7 - 2011 P.M. Peak Hour Traffic Volumes......................................................10 Figure 8 - 2024 A.M. Peak Hour Traffic Volumes.....................................................11 Figure 9 - 2024 P.M. Peak Hour Traffic Volumes......................................................12 Figure 10 - 2011 Daily Traffic Volumes......................................................................13 Figure 11 - 2024 Daily Traffic Volumes......................................................................14 List of Tables Table 1 - Existing AM Peak Hour LOS Results............................................................6 Table 2 - Existing PM Peak Hour LOS Results............................................................6 Table3 - Trip Generation..............................................................................................6 Table 4 - Forecasted AM Peak Hour LOS Results ...................................................... 7 Table 5 - Forecasted PM Peak Hour LOS Results.....................................................15 Appendix A-1 Turning Movement Count Data LOS Calculations Orrin Thompson Homes, Elk River, MN i EAW Appendix A Traffic Impact Report Aprll 2004 1. PROJECT DESCRIPTION Orrin Thompson Homes is proposing to build a residential development on the Miske Property located south of County Road 13 (Twin Lakes Road) and west of County Road 40 (Davis Street) in Elk River, MN (see Figure 1). The site is currently occupied by one farmstead. The proposed development will include 547 single family homes and 174 townhomes (see Figure 2). This report addresses the traffic impact of the proposed development on the area roadway network. 2. EXISTING CONDITIONS Traffic operations were analyzed for the a.m. and p.m. peak hours at the following six intersections: • Trunk Highway 169 and County Road 12 (Main Street) • County Road 12 (Main Street) and County Road 13 (Line Avenue/Zane Avenue) • County Road 12 (Main Street) and County Road 40 (Cleveland Street) • County Road 13 (Twin Lakes Road) and County Road 40 (Davis Street) • County Road 40 (Davis Street) and proposed development North Road • County Road 40 (Davis Street) and proposed development South Road The existing lane configurations and traffic control for the four existing intersections are shown in Figure 3. TDI staff collected a.m. and p.m. peak hour turning movement counts at the four existing study intersections in April 2004. The data is included in the Appendix. The existing peak hour traffic volumes are shown in Figure 4. An intersection capacity analysis was conducted for the four existing intersections per the Highway Capacity Manual. The intersection is assigned a "Level of Service" letter grade based on the intersection geometry, traffic volumes, and traffic control. Level of Service A (LOS A) represents light traffic flow (free flow conditions) while Level of Service F (LOS F) represents heavy traffic flow (over capacity conditions). LOS D is considered acceptable in urban conditions, although LOS C or better is preferred. A Level of Service grade is also calculated for each stop controlled approach at an unsignalized intersection. The existing a.m. and p.m. peak hour LOS results are shown in Tables 1 and 2 (the LOS calculations are included in the Appendix). Orrin Thompson Homes, Elk River, MN 1 EAW Appendix A Traffic Impact Report Apri! 2004 jQrWDA4r1+IAxWPrinceton. r �' North's ' Milltown f0 e fsanli 83 Branch s 168 Refuge � E Centeity r � f � BSS C r E � Cago � $ 6i +' 24 `` Lake ` r y . lulontioe o =` J Forest sceola - Annandale _ Lake Kaple Milt 46S9ta ; Lake *,Buffalo Bila' ! Co Somerset Howard _, a ick FCI ley y'' hite _ Lake Delano ;BearLake *5t€fEwater �3 c jai : Rose ll 30 --'Bayport N Ninsted r 12 M n a list. 3 �;eHudson— -- • A, iin 6km' il QM03 Randhk lacy Site Location: Orrin Thompson Homes Elk River, MN RAND h' iVlll<. ' I lre8th 't VY . rasa �rvr 169 io"Ypa-k Viking Blvd 9d93tta— ��$hfanl117y� 154th Ln 0 0 201) 13 t� C7 _ .... 4h denburg kParkerx`, r f ` O JuFrior hTqh l3emerrtary a X Idrool "School � , 'p � 1I r-dlJ3-'�' a II atlY St r ,at11=S.�: i,1 Pyr li � r] ai I.4 h t r i$-ith 4v -_ Main Wri "wlr "`i• u^. —$µ—T 9 8.13t A, 4ir� �: "� s�ndside Ivanhoe .A e �' F 83 ff3 y city Paraf€ i Q kers 02M land hitkAy & Co .: :y 0 2002 GOT. lm- i 7d th Ay 1 i "ark' U, ( 1 Site Location: Figure I - Orrin Thompson Homes Location Maps Orrin Thompson EAW Elk River, MN Prepared by TDI .. April 2004 d I No Scale <E S)AI 3E STOP Co Rd 12 Main Stj At{40 mph)r..es Rtl Ca Rd 40 02m Sl} (55 mph) }`I I %0 MND LY 17+8th AV � 1a� o f! eaS711F1a •� 201 13 . _ ! Lith icy gpdenburg ,dParker '-- r- Ju�ior }h Bementary. chool __'=ICSohr�al II L onjath t c oth ` r'al it _ lbtaln j 7 i � t,tt9side 1 0 krn 1 © 203 Rand !.t HAV S idy (9 217@2 GT, Inc. IIII SIGNAL �Jll Co Rd 12 Main SI C \{� (40 mph),._� � I ;3 JYN7 lits �Y ��'Jikinq 61vd 184th Ln 184th Au F wq I� 181st Av Ramsey 176 A STOP` Co Rd t2 Ma1n SL (55 mphJ� Figure 3 - Existing Geometrics & Traffic Control Orrin Thompson EAW Elk River, MN Prepared by TDI April 2004 N M O N m —13/63 2601305 15/17 72 Main St mph) 71!199-- 1561302 9--1561302 180!359 yr 3171z1imgrii�ial tighla;A Hr! II __ ar 0 �_ { 1ldndenl3urg Parker Jujiior Kot 6emenua �iSchool tl School I Luna th St 5th=Park �I No Scale _ _ - it Y- 4. 4th at Q 4003 Rand litNmay 1�e�th r�'d ui -Y a m 5 _ � « r Elk 01h Av a C Is_ n ke r. J.r 7700 .66made CP1y r3arx x a q 2W2 GOT, hr. � W \ v m o mv�n n —581288 1901282 J I 1 3391211 Ca Rtl 32 Main S (40 mph) —� i 381105 71287— 77194 'Lzr3) 'W CD �L M No a J " —0/3 —oil Rd 13 (TWLakes Rd) Co Rd 40 (Davis S) (55 mph) (55 mphl 951283 / 1/5- 0 15-- 1'a -A" Viking Blvd �I 1144th Ln O La E Iva n1)oe Av 1a � Legend 2004 AM Peak Hour -- 2004 PM Peak Hour XAW/ y ® xxx = Daily traffic volumes from Mn/DOT traffic flow maps. TH 169 counts are from 2002, all others are from 1999. 184th Av 11 hum -,N 181st Am N 5 U c+E jo 1 l 110 2141288 Rd tz LM.ih St; (55 mph) / 1/7- 151/337— Figure 17-1511337— Figure 4 - Existing Traffic Volumes Orrin Thompson EAW Elk River, MN ;i Prepared by TDI April 2004 Table 'I — Existing AM Peak Hour LOS Results Intersection 2004 A.M. Peak Hour TH 169 and County Road 12 (Main Street) B County Road 12 (Main Street) and County Road 13 (Line Avenue) A County Road 12 (Main Street) and County Road 40 (Cleveland Street) AIA' County Road 13 (Twin Lakes Road) and County Road 40 (Davis Street) AIA' The first LOS gives the LOS for the intersection and the second LOS gives the LOS for the stopped approach. Table 2 — Existina PM Peak Hour LOS Results Intersection 2004 P.M. Peak Hour TH 169 and County Road 12 (Main Street) C County Road 12 (Main Street) and County Road 13 Line Avenue) B County Road 12 (Main Street) and County Road 40 Cleveland Street) AIB' County Road 13 (Twin Lakes Road) and County Road 40 (Davis Street) AIB' The first LOS gives the LOS for the intersection and the second LOS gives the LOS for the stopped approach. The current Annual Daily Traffic Volume (ADT) for the area roadways are shown in Figure 4. The TH 169 ADTs are 2002 traffic volumes and the rest of the ADTs are from 1999. These ADTs are from the most current Mn/DOT traffic flow maps. 3. TRAFFIC FORECASTS A trip generation analysis was performed for the site based on the methods and rates published in the ITE Trip Generation Manual, 70h Edition. The trip generation for the proposed development is shown in Table 3. Table 3 - Trip Generation ITE Trip Rates Daily AM Peak Hour PM Peak Hour Land Trips* In Out In Out Use Description 210 Single Family Homes 6240 104 306 350 202 547 Units 230 Residential Townhomes 1020 12 64 61 30 (174 Units TOTAL ADDED TRIPS 6260 1 116 370 411 232 * Daily trips are round trips — one car in plus out of the home (i.e. 1,600 daily trips = 800 vehicles) Orrin Thompson Homes, Elk River, MN 6 EAW Appendix A Traffic Impact Report April 2004 Traffic forecasts were developed for the year 2011 and 2024. A 3.5% yearly growth rate was used to account for growth in background traffic on the area roadways. This growth factor is consistent with Mn/DOT's current projection factor for Sherburne County as well as Mn/DOT's Highway 109/169 Corridor Plan dated April 2002. The directional trip distributions for the uses in Table 3 are shown in Figure 5. The trip distributions for the site are based on existing travel patterns in the area. The combination of background traffic and trips generated by the proposed development are shown in the traffic forecasts on Figures 6 through 11. 4. TRAFFIC OPERA TIONS ANALYSIS The traffic forecasts shown on Figures 6 through 9 were used with the existing traffic control and lane configurations shown in Figure 3 to calculate LOS grades for the four existing study intersections. It is assumed that the proposed North Road and South Road intersections on County Road 40 will consist of one eastbound shared right/through/left lane that is stop controlled, one northbound through/left lane that is free flow, and one southbound through/right lane that is free flow. The results are shown in Tables 4 and 5. Table 4 -- Forecasted AM Peak Hour LOS Results Intersection 2011 2011 2024 2024 No -Build Build No -Build Build TH 169 and County Road 12 C C E F Main Street County Road 12 (Main Street) and A B B B County Road 13 (Line Avenue) County Road 12 (Main Street) and AIB' AIB' AIB' A1C' County Road 40 Cleveiand Street County Road 13 (Twin Lakes Road) A/B, AIB' AIB' AIC' and County Road 40 Davis Street) County Road 40 (Davis Street) and nIa AIA' nIa AIA' proposed North Road County Road 40 (Davis Street) and nIa AIA' nIa AIA' proposed South Road The first LOS gives the LOS for the intersection and the second LOS gives the LOS for the stopped approach. Orrin Thompson Homes, Elk River, MN 7 EAW Appendix A Traffic Impact Report April 2004 aRAND rVIVALLY 198th M �1 168 `t93;dr`� Rd 1 ��$ Anq 3% Dee -field r F100th 12 AV leandenburg p siker , 300 Junior I}ie eementa School School ; [son-jHth St 111 li4th St � �F Main St��ti� .: p 0 1 q =2a/ de Z- 1 Am IJ 2M Rand NtMaiily & hum ey r M2 GDT, Irx. Site Location: --/ Orrin Thompson Homes East W, f 8k'S Cowry F.Y-A- '[liking Blvd 2°�0_ N 1 4th Ln Q m � f n 0 a 784th ,v l ou . 10% I e Ut .Av fvanNoe Av � ��f � 83— c�t 178Ch I ..V I a nth L>R Note: 5% of trips are internal. Figure 5 - Trip Distributions Orrin Thompson EAW Elk River, MN Prepared. .� April 2004 N a _ O v LID zi N V ` E N Q C" 15115 0 — 3251475 rQi o + r- 20120 5110 Ra 1z ainSt J —51165 (40 mph) 931135 (11 kes Rtl Co Rd40 Dans Si -- iI (55 mph) 195!245 — 0 N N20225!225 oo`o � N N a'E 10RANA t1+cMLLY j 1!?6th A'.' c� psi Ta►vir Low7tr fa?l tlianrq" lid II ..Elk — tn �� n AV Ge fre/d@ J 201 Y 13 Sikh AR Ifiandenburg kPar1(er x r. Junrnr }iqh Elernerlary,5 School r --"School . 5tSs Sl _ PwEF-il No Scale �-- II 14th St 451- = Msln S 12 IT i l sPal* Iva nlloe Av 02ON Rand '+&H & onWanV 02NZ GOT, One.' I r$th my _u` w ' to V O Q rn O oa `- —701180 — 2$01260 —4351590 Ca Rd 12 MaEn S[ U (40 mph) (90 - K)- 45145 n/a1160- 1301140 — n/a/20 95!95 low v� a o LD InN F to N / Legend 2011 No -Build �— 2011 Build x6yI Y F L� U J5/15 —265/265 Rd 12 Main St (55 mph) / 5155- 1W190 155-190!190 Blvd th Ln 18 -4th Av a4 4a��1I „ 181st .A.4 / w ' V O r 4 North Rd v U (30 mph) (90 - K)- n/a1160- n/a/20 o n/a/165— a o �o Blvd th Ln 18 -4th Av a4 4a��1I „ 181st .A.4 / w ' U5 r 4 South U (90 - K)- n/a/5 - n/a/165— a o 47 N O \ c Figure 6 - 2011 A.M. Peak Hour Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by TDI d& -mi Apd12004 1 S�'cp�o 8'j 0 Mrd rJsa80 `G� 'cd0 oe — 3801475 n LO � 20120 I X 5/10 Co Rd 12 ain St J - 5It Ors North Rd {40 mph) (30 mph? j 2501415- Co Rd 13 win Lakes Rd) Co Rtl 40 Davis St) f (55 mph) (55 mph) n/a/100- 3901560 —0 0 0 350/350 n/a/10 —ti o to 495/495 0 5/180— m o e E Q r .2 Hv ORAMMIALLY 'It;eth Y EW lW7 Lakes E88 Co—yFanF Viking Blvd t3�t�w Rd �I9 �ighla� � ., 1 nth Ln 4, ve rade'— l 13 - 201 .01h �� Juror burg RParker4; E3 ntary. n N School,_-,_.IfSchool Ya'jseth 6th SIL . ParJr it ti No scale I[ ji 1 th 5t�r 184th Av In --.Main S� - ._.. ¢ `t w. 1n 22 181st.Av ^^ �= 7 �('f tJFrNsrde Ivanhoe A%p t Imo- 1.0� � /j.� ..C'typ�-� _ rn leis �i mi ` 02003 Rand 4ici), 'i & 'a'ny 02002 GDT. Inc. ( 76th AI� / C' 10 LaltO `n 360/430 — 350/370 2651360 132 ainS 40 mph) 1301130 325!360 — 1151115 — � C13 t� 20 N `0 _ mEto e. N Legend 2011 No -Build �--- 2011 Build x6yyy C3m 5145 J — 3601360 Rd 12 (Main Sts (56 ! 10/18a1so — 420/420— U South Rd (30 mph) n!a!5 J n1a1110 ool 0 \ � d Figure 7 - 2011 P.M. Peak Hour Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by TDI April 2004 � 4 \ NLo n Q U7 N W M m L 20120 J I —440/590 { i 25/25 Co Rd t2 Main 51 (40 mph) I 120/165 265!315 3051305 — w N C" LD 23 Ln Nm C F r / A � F # E � O _ O t v a L 5110 J—5/155 Rd 13 van Lakes Rd) Co Rd45 Travis Sq (55 mph) (55 mph) 160/160- 10/55— C RAM 601160-J10155— CRAM WNALLY 108th A c, 184th Av ,r 169 181st �v - -- a �! 153 d f 76th Ar ndAv E'k i i ( 2Q1 13 Oth Rv %` 1 Jua i r NO Warker k Jujilor fh Bemetltary . chtlol 7- j Y li L&Mdth St Fark �f ti� i No scale jj -. nth St Ivanhoe Av my PR& 1.Q l�ar� r 02003 Rand 9►k & Dnp ny 812042 GOT, ftc ` Likes rrrY Park 1q -4th Ln �l Q 0 aL m N E C If] a J "V U tioM Rd (30 mph) rt/a/160 n/a/20 o Lo �o Blvd 0 V d ("Nap r nE aL �NN —1001210 �u I I — 325/355 Q s o Co Rtl t2 Main Sr { y 570!725 ;n ,n Sa�tn Rtl (� fi9165 J �— 5115 (30 -ph) —365/36.5 nla15 170/180— ,n a Co Rd 12 Main SL n1a1165 a o 30, ti ro (55 mph)o o �`n 5/55— n N 255 � a Legend 2024 No -Build F-- 2024 Build XXXIYYY Figure 8 - 2 024 A.M. Peak Hour Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by Tial April 2004 184th Av ,r �I J�la 83 181st �v - -- a M-se;;P f 76th Ar .t Ftt, i. 0 V d ("Nap r nE aL �NN —1001210 �u I I — 325/355 Q s o Co Rtl t2 Main Sr { y 570!725 ;n ,n Sa�tn Rtl (� fi9165 J �— 5115 (30 -ph) —365/36.5 nla15 170/180— ,n a Co Rd 12 Main SL n1a1165 a o 30, ti ro (55 mph)o o �`n 5/55— n N 255 � a Legend 2024 No -Build F-- 2024 Build XXXIYYY Figure 8 - 2 024 A.M. Peak Hour Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by Tial April 2004 V � yr z aE N O '� �. i L L N to O f— �mu'ni L105l105 stn E' t���E n c c -5201615 Nus 15110 Ca Rd 12 Main S0 �— 30/30 J —51105 Nonh Rd U (40 mph) L\L (30 mph) 3601525 �y Co Rd 13 vin Lake a R Co Rd 40 Davis St) 5601730— (55 mph) (55 mph) nla/100 --� {l 0 0 u� 480!480 J Wall0- o n 6501650 ----� 'W � 10!185 — " r u `0 0 D MSI ( 1$rFsYh x :• c �. est 7JYfl} i Likes 169 �.arsatyF� Viking Blvd -3 d "'ndvEl �4 19z4thLn i 9 Veit' JET 1 241 ' r 13 f �4 Oth Av ila"ndenhurg Parker`,^ Jufiinrhlio 7 Schnol::. ,ementa 5aiti al I"i � t�Y Vomitjit3#h at .Af nth i No Scale I' - -i4th $t 184th fav ti i11ii1R�'� Y = Sf lots r 12 22 181st Av .. . _ AWside Ivan h o e Av `'7r 83 l S: Cey Per*01 i 'I .Q km � r Pat. i(,�I, .•�:a�� Q-2003RanO&aasy O •mpaaay 02442 GDT, Esc. (%nth A-q rn � n 'r _ ON o LO b`E 4901560 S —4801500 00 Co Rd 12 Main St —360/455 South Rd (180!180 n/a/5 I 15145 (30 mph) f -- 4901490 4601495 — 0 G p Co Rd 12 tdain St n!al110� 00 1&01160 t0 (55 m0h) m m 26a-9 10!180 — a E 2m 575!575 ---- c to Legend 2024 No -Build 2024 Build x6y/ Y Figure 9 - 2024 P.M. Peak Hour Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by TDI April 2004 TIAND i41 MLU' 1s � 201 1�andenhurg pa e Ju�iior 9emem N �8ohool II Schon Li sGth St fFth -1; P"k I� No scale {j ` 4th St 1.0 kap �05mil! q) 203 Rand in Nay g Eust Tmo„ lakes Cvun#y Farr Viking Blvd 194th Ln �i. � rf 7000/9500 6800!7400 - 12— 22 7� I `� Ivanhoe A%2 83 r 0202 GAT. has- 17,3eh AV II Legend 2011 No -Build 2011 Build x6yYy 84th Av 181st fi�a !unsay m Z•n - Figure 10 - 2011 Daily Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by TDI April 2004 0 RAND PFRLLY � � 1 r &th .4' o u`i o est 7W? m - m to*es Id9 0 'o t armty P. -M Viking 61vd ^i9hlaglJ !fid F ndRv Elk 104th Ln g rA6 i River,l,th 4Y.sv��denburg sir ,e I JU[�igr i3g#o 6emeMaryw T School .. If school Uonidth St . No Scala _ ';l...< ..nth St � .,:q T � 784th AY 4J. s. 9200177700 9000!91300 181st Av 12 40= 22 100 Y o - 1.09sm ,+ ¢°tom d Ramsey @2003 Rand:dsN Co02OU GOT. hC_ Legend 2024 No -Build 2024 Build XXXIYYY Figure 11 - 2024 Daily Traffic Volumes Orrin Thompson EAW Elk River, MN Prepared by TDI April 2004 Table 5 — Forecasted PM Peak Hour LOS Results Intersection 2011 2011 2024 2024 No -Build Build No -Build Build TH 169 and County Road 12 E D F F Main Street County Road 12 (Main Street) and B C C D County Road 13 Line Avenue County Road 12 (Main Street) and A/B' A/C' A/C' AID' County Road 40 (Cleveland Street) County Road 13 (Twin Lakes Road) AIB' AIC' A/B' A/C' and County Road 40 Davis Street County Road 40 (Davis Street) and n/a AIB' n/a AIB' proposed North Road County Road 40 (Davis Street) and n/a AIA' n/a A/A' proposed South Road 'The first LOS gives the LOS for the intersection and the second LU5 gives the LU5 for the stopped approach. The Level of Service Calculations are in the Appendix. They include LOS calculations for each intersection approach. For general planning purposes, upgrading a two-lane roadway to a four -lane roadway should be considered when the AADT is approximately 10,000 vehicles. An undivided four -lane roadway should be considered for improvement to a divided four -lane roadway when the AADT approaches 18,000 vehicles. These are general planning rules. TH 41 operates successfully south of TH 5 in Chaska as a two-lane roadway and it carries over 17,000 vehicles per day. The number of access points and the traffic control at the access points generally dictates a corridor's capacity. The daily traffic forecasts are shown in Figures 10 and 11. The two lane sections of County Road 12 (Main Street) and County Road 13 (Line Avenue/Twin Lakes Road) east of their intersection are forecasted to carry approximately 12,000 vehicles under the 2024 build scenario and 9000 vehicles under the no -build scenario. 5.Mirigation Measures TH 169/County Road 12 (Main Street) Intersection All of the study intersections will operate at LOS D or better in the 2024 Build peak hours except the intersection of TH 169 and County Road 12 (Main Street). This intersection will operate at an unacceptable Level of Service E in 2011 whether the Orrin Thompson Homes are built or not. Mn/DOT's April 2002 Highway 101/169 Corridor Plan documented strategies for preserving TH 169 as an Interregional Corridor from Rogers to Princeton. The plan documents thirteen potential highway capacity improvement projects along the corridor. Upgrading the TH 169/County Road 12 (Main Street) intersection to an interchange and adding an overpass at School Street had the third best Benefit -Cost Ratio of the Orrin Thompson Homes, Elk River, MN 15 EAW Appendix A Traffic Impact Report Apr# 2004 thirteen projects. The intersection will operate acceptably if an interchange is constructed. County Road 13 Twin Lakes Road /Count Road 40 Davis Street Intersection This intersection is currently a "y -intersection" as shown in Figure 3. This is currently acceptable because there is little traffic on County Road 40. It is recommended that County Road 40 be reconfigured to tee into County Road 13 at a 90 degree angle for safety purposes. County Road 12 Main Street /Count Road 40 Cleveland Street Intersection This intersection will operate at an acceptable Level of Service in 2024 with the existing configuration. However, the increase in traffic with build -out of the development combined with the 55 -mph speed limit will present a safety hazard. An eastbound bypass lane should be built to County standards at the intersection. County Road 12 Main Street east of County Road 13 Line Avenue)` No improvements to the roadway are currently necessary, but this roadway V should be monitored over the next twenty years for possible improvement. The 2024 Build volumes may require additional lanes. County Road 13 (Line Avenue) northeast of County_Road_1 Main Street No improvements to the roadway are currently necessary, but this roadway V should be monitored over the next twenty years for possible improvement. The 2024 Build volumes may require additional lanes. County Road 40 (Cleveland Street/Davis Street) between County _Road_ 12 and / County Road 13 / This roadway will carry over 3000 vehicles per day when the development is V built -out. It should be paved as a two-lane rural roadway. 6. Conclusions and Recommendations Orrin Thompson Homes is proposing to build a residential development on the Miske Property located south of County Road 13 (Twin Lakes Road) and west of County Road 40 (Davis Street) in Elk River, MN. The site is currently occupied by one farmstead. The proposed development will include 547 single family homes and 174 townhomes. This report addresses the traffic impact of the proposed development on the area roadway network. Based on the above traffic analysis, following are our recommendations: • TH 169/County Road 12 (Main Street) Intersection: Upgrade the intersection to an interchange per Mn/DOT's April 2002 Highway 101/169 Corridor Plan. The intersection will be over capacity with or without this development in 2011. This development is not responsible for the congestion at this intersection. Orrin Thompson Homes: Elk River, MN 16 EAW Appendix A Traffic Impact Report April 2004 • County Road 13 (Twin Lakes Road)/County Road 40 (Davis Street) Intersection: Reconfigure County Road 40 to tee into County Road 13 at a 90 degree angle. • County Road 12 (Main Street)/County Road 40 (Cleveland Street) Intersection: Construct an eastbound bypass lane to County standards at the intersection. • County Road 12 (Main Street) east of County Road 13 (Line Avenue) and County Road 13 (Line Avenue) northeast of County Road 12 (Main Street) Monitor these roadways over the next twenty years for possible improvement. The 2024 Build volumes may require additional lanes. • County Road 40 (Cleveland Street/Davis Street) between County Road 12 and County Road 13: This roadway should be paved as a two-lane rural roadway. Orrin Thompson Homes, Elk River, MN 17 EAW Appendix A Traffic Impact Report Apr# 2004 �j City of Elk -�-� River Ordinance 18 - An Ordinance Amending the City of Elk River Zoning Map to Rezone Certain Property from R-I c and R-I b to PUD. Case No. ZC 17-08 The City Council of the City of Elk River does hereby ordain as follows: SECTION 1. That the duly adopted Zoning Map of the City of Elk River is hereby amended to rezone the property described on attached Exhibit A to Planned Unit Development (PUD). SECTION 2.That the rezoning approved by this Ordinance is based on the following findings: 1. The rezoning is consistent with the City of Elk River Land Use Plan adopted as part of the City of Elk River Comprehensive Plan. SECTION 3. That this ordinance shall take effect upon adoption and be published as provided by law. Passed and adopted by the City Council of the City of Elk River this 16th day of January, 2018. John J. Dietz,Mayor ATTEST: Tina Allard, City Clerk URE Last Updated il7asch 2014 INATI Exhibit A The Northwest Quarter of the Northeast Quarter (NW 1/4 NE 1/4) of Section 36,Township 33, Range 26, Sherburne County,Minnesota, less and except Parcel 9, Sherburne County Highway Right-of-Way Plat No. 30 on County Highway 40. URE Last Updated il7asch 2014 INATJ Phone: 763.635.1000 Fax: 763.635.1090 www.ci.elk-river.mn.us January 4, 2018 Paxmar, LLC via email: alan@paxmar.com 3495 Northdale Blvd #210 Coon Rapids, MN 55448 RE: Miske Meadows Preliminary Plat Comments Staff conducted a review of the materials submitted on December 7 & 15, 2018. The following comments and recommendations are intended to bring the project in line with current city requirements and should be addressed on future plans. It is helpful to include a response letter to the comments below. Unaddressed comments will be incorporated into recommended conditions for Preliminary Plat approval. General Comments 1. All corner lots must maintain a buildable area of 50 feet wide for all areas within approved setbacks. 2. Submit updated landscape plans. 3. The rear yard setback for all lots in the subdivision can be reduced to 20 feet. The PUD agreement will be updated to reflect the changes. 4. The house types for parcels 255 – 259, 412 – 415, 419 – 422, 439-437, 487, & 481 should be re-evaluated and adjusted to ensure they preserve 20 feet between the building pad and the rear easement. Engineering 1. All construction south of the overhead powerline shall be completed in a single phase. This includes the proposed Phases Q, R, and a portion of P. 2. Submit a full development plan. 3. Update and submit full utility plans which include additional 12 lots. 4. Update and submit full street plans which include additional 12 lots. 5. Update 2004 traffic study to reflect current volumes of adjacent roadways and revised trip projections for the number of units proposed with the full development. 6. Trail shall be added and extended to the south limits of the plat along the west side of CR 40. Stormwater 7. All home low openings must have a minimum of 1’ freeboard from any HWL or EOF - whichever is higher. 8. The wetland along the East side of Edison Ct NW may need to have an EOF to I-basin 4. 9. List culvert elevations at Cleveland St. north of lot 424. Will this be the EOF for both wetlands to the west of this culvert? 10. All proposed driveway grades must be less than 8%. Optimal grades are about 4-5%. Please work to achieve optimal grades where possible. 11. Submit full HydroCAD for the proposed development with new 12 lot addition included. 12. Need elevations and cross sections for all storm culverts/pipes. 13. List the lowest opening lookout elevation for proposed FB/SL homes. 14. I-basin 13 and 14 don’t appear to provide 3 ft. of separation between the bottom of the proposed basin and approximate groundwater elevation of 906’ (based on wetland elevation). Soil borings may have to be provided to ensure adequate separation. 15. Proposed grading for side slopes must be 3/1 or flatter. 16. Following an updated submittal, the full SWPPP will be reviewed. Environmental 17. The proposed bridge over Trott Book on the west side of Twin Lakes Parkway will impact wetlands and will require a formal Wetland Conservation Act decision. 18. The Edison Ct cul-de-sac is not meeting the 45 foot setback and has a proposed retaining wall along the southwest portion of the wetland basin. Relocate the retaining wall to be as close to the roadway as possible rather than following the 25 foot wetland edge. Additionally, who shall own the retaining walls into the future? The city does not desire to own and maintain any retaining walls. 19. All existing and disturbed vegetation within the 25 ft. buffer shall be maintained in accordance with city code section 30-1853. All wetland buffer and buffer strip setback areas within the outlots should be seeded with wetland vegetation or planted with appropriate upland species approved by city staff. 20. Additional retaining walls will not be permitted within the 45 ft. wetland setback (buffer and buffer setback). Retaining walls are considered hardcover and are not permitted in the wetland setbacks of individual properties and are not permitted in the 20 ft. rear yard structure setback. 21. The house lot-fit plan shows a possible encroachment of parcel #480 within the wetland setback and #486 within the utility easement. Please verify that they do not encroach. 22. Show the HWL of each wetland adjacent to proposed single family residential parcels. 23. The 25’ wetland buffer must be signed at each property line or every 200 feet, whichever is less. If you have any questions I can be reached at 763.635.1035. Please address these comments on future plans submitted to the city. Sincerely, Zack Carlton Planning Manager zcarlton@ElkRiverMN.gov ENGINEERING T 'AF11:1C FORWARD Technical Memorandum To: Kent Roessler, Paxmar From: Mike Spack, P.E., P.T.O.E. Date: January 12, 2018 Re: Miske Meadows Traffic Comparison The purpose of this memorandum is to compare the amount of traffic generated by the proposed residential development on the Miske Property to the amount of traffic anticipated to be generated by the site's development in the 2004 River Park Traffic Study. The site is located south of County Road 13 (Twin Lakes Road) and west of County Road 40 (Davis Street) in Elk River, Minnesota. Background In 2004,Traffic Data Inc. completed a traffic study of the proposed development area which included 547 Single Family Homes and 174 Townhomes. The current development plan is for the Miske property to be developed with 462 Single Family Homes and 32 Townhomes. Also notable since 2004 is the construction of Twin Lakes Elemntary School on the northern portion of the study site. Conclusion The reduction in proposed single and multi-family homes on the Miske property from the 2004 study has decreased the estimated amount of site traffic both daily and in the PM peak hour. However,the AM peak hour traffic shows an increase in traffic,which is largely due to the addition of the elementary school.The most current AADT volumes show that the growth on Twin Lakes Road and Davis Street is less than the 2004 Study's projected volumes for the build conditions and are rather more in agreement with the no- build scenario.Therefore, it is anticipated that the 2024 volume will be closer to the values presented in the no-build scenario rather than the build. Traffic Counts The 2004 River Park Traffic Study included AADT(Annual Average Daily Traffic)volumes for the year 2004 as well as projected AADT volumes of both the build and no-build conditions for the years of 2011 and 2024. Using MnDOT's Interactive Traffic Data Application, AADT volumes from the year 2014 were obtained and compared to the previous volumes shown in the 2004 study. The results are in Table 1 shown next to the volumes given in the 2004 River Park Traffic Study.As shown,the volumes are generally less than expected for the No-Build scenarios, suggesting less regional growth than anticipated. 1 SE MainStreet, #204, Minneapolis, 55414 0 888.232.5512 0 www.SpackConsulting.com Spack Consulting 2 of 2 Vehicle Forecasts Miske Property in Elk River Table 1 - AADT Comparison oo° 2011 Projected 2024 Projected Street 2004 Volume Volume Volume 2014 Volume No-Build Build No-Build Build Highway 169 South of CSAH 12 47,000 61,800 64,400 83,200 85,800 47,500 North of CSAH 13 42,900 56,400 58,300 75,900 77,800 45,500 Main Street (CSAH 12) West of Hwy 169 7,300 10,400 10,900 13,700 14,200 11,500 Hwy 169 to CSAH 13 7,700 10,900 15,900 14,400 19,400 10,700-23,600 CSAH 13 to CR 40 4,900 7,000 9,500 9,200 11,700 9,100 East of CR 40 4,800 6,800 7,400 9,000 9,600 7,300 Twin Lakes Road (CSAH 13) North of CSAH 12 4,800 6,800 8,300 9,000 11,500 3,500 South of,CR 40 4,000 5,700 8,200 7,500 10,000 6,900 North of CR 40 4,200 6,100 6,100 7,900 8,000 5,500 Davis Street(CR 40) North of CSAH 12 150 210 3,300 280 3,400 820 South of CSAH 13 75 110 2,900 140 3,000 1,300 Traffic Forecasts The Institute of Transportation Engineers' Trip Generation Manual is a dataset of traffic generated by different land use types and is the industry standard for forecasting the amount of traffic generated by developments. A trip generation analysis was done of the proposed development per the Trip Generation Manual, 10`"Edition. The results are in Table 2 shown next to the trip generation forecasts from the 2004 River Park Traffic Study. Table 2-Trip Generation Comparison 2,004 River Park Traffic Study 3,130 3,130 116 370 411 232 Elementary School-820 Students (ITE-520) 775 775 297 253 67 72 2018 Single Family Homes-462 Units (ITE-210) 2,180 2,180 85 256 288 169 Update Multi-Family Housing-32 Units(ITE-220) 117 117 3 11 11 7 Total 3,072 3,072 385 520 366 248 Change in Traffic with 2018 Proposal -58 -58 269 150 -45 16 S ack CONSULTING ENGINEERING TRAFFIC FORWARD Technical Memorandum To: Kent Roessler, Paxmar From: Mike Spack, P.E., P.T.O.E. Date: January 12, 2018 Re: Miske Meadows Traffic C The purpose of this memorandum is to compare the amount of traffic generated by the proposed residential development on the Miske Property to the amount of traffic anticipated to be generated by the site's development in the 2004 River Park Traffic Study. The site is located south of County Road 13 (Twin Lakes Road) and west of County Road 40 (Davis Street) in Elk River, Minnesota. Background In 2004, Traffic Data Inc. completed a traffic study of the proposed development area which included 547 Single Family Homes and 174 Townhomes. The current development plan is for the Miske property to be developed with 462 Single Family Homes and 32 Townhomes. Also notable since 2004 is the construction of Twin Lakes Elemntary School on the northern portion of the study site. Conclusion The reduction in proposed single and multi -family homes on the Miske property from the 2004 study has decreased the estimated amount of site traffic both daily and in the PM peak hour. However, the AM peak hour traffic shows an increase in traffic, which is largely due to the addition of the elementary school. The most current AADT volumes show that the growth on Twin Lakes Road and Davis Street is less than the 2004 Study's projected volumes for the build conditions and are rather more in agreement with the no - build scenario. Therefore, it is anticipated that the 2024 volume will be closer to the values presented in the no -build scenario rather than the build. Traffic Counts The 2004 River Park Traffic Study included AADT (Annual Average Daily Traffic) volumes for the year 2004 as well as projected AADT volumes of both the build and no -build conditions for the years of 2011 and 2024. Using MnDOT's Interactive Traffic Data Application, AADT volumes from the year 2014 were obtained and compared to the previous volumes shown in the 2004 study. The results are in Table 1 shown next to the volumes given in the 2004 River Park Traffic Study. As shown, the volumes are generally less than expected for the No -Build scenarios, suggesting less regional growth than anticipated. 1 SE Main Street, #204, Minneapolis, MN 55414 0 888.232.5512 0 www.SpackConsulting.com Spack Consulting 2 of 2 Vehicle Forecasts Miske Property in Elk River Table 1- AADT Comparison Traffic Forecasts The Institute of Transportation Engineers' Trip Generation Manual is a dataset of traffic generated by different land use types and is the industry standard for forecasting the amount of traffic generated by developments. A trip generation analysis was done of the proposed development per the Trip Generation Manual, 10" Edition. The results are in Table 2 shown next to the trip generation forecasts from the 2004 River Park Traffic Study. Table 2 - Trip Generation Comparison Weekday MnDOT Current Weekday 00• River Park Traffic Study 2024 Projected Daily Peak Hour 2011 Projected Street 2004 Volume Volume Volume 2014 Volume No -Build Build No -Build Build 3,130 3,130 116 Highway 169 411 232 Elementary School - 820 Students (ITE- 520) 775 775 297 South of CSAH 12 47,000 61,800 64,400 83,200 85,800 47,500 North of CSAH 13 42,900 56,400 58,300 75,900 77,800 45,500 Main Street (CSAH 12) 11 7 Total 3,072 3,072 385 West of Hwy 169 7,300 10,400 10,900 13,700 14,200 11,500 Hwy 169 to CSAH 13 7,700 10,900 15,900 14,400 19,400 10,700 - 23,600 CSAH 13 to CR 40 4,900 7,000 9,500 9,200 11,700 9,100 East of CR 40 4,800 6,800 7,400 9,000 9,600 7,300 Twin Lakes Road (CSAH 13) North of CSAH 12 4,800 6,800 8,300 9,000 11,500 3,500 South of CR 40 4,000 5,700 8,200 7,500 10,000 6,900 North of CR 40 4,200 6,100 6,100 7,900 8,000 5,500 Davis Street (CR 40) North of CSAH 12 150 210 3,300 280 3,400 820 South of CSAH 13 75 110 2,900 140 3,000 1,300 Traffic Forecasts The Institute of Transportation Engineers' Trip Generation Manual is a dataset of traffic generated by different land use types and is the industry standard for forecasting the amount of traffic generated by developments. A trip generation analysis was done of the proposed development per the Trip Generation Manual, 10" Edition. The results are in Table 2 shown next to the trip generation forecasts from the 2004 River Park Traffic Study. Table 2 - Trip Generation Comparison Weekday AM Weekday PM Daily Trips Peak Hour Peak Hour Description (Source) Entering Exiting Entering Exiting Entering Exiting 2004 River Park Traffic Study 3,130 3,130 116 370 411 232 Elementary School - 820 Students (ITE- 520) 775 775 297 253 67 72 2018 Single Family Homes -462 Units (ITE -210) 2,180 2,180 85 256 288 169 Update Multi -Family Housing -32 Units (ITE -220) 117 117 3 11 11 7 Total 3,072 3,072 385 520 366 248 Change in Traffic with 2018 Pr000sal -58 -58 269 150 -45 16 - lOf-&uf `1.3 Carlton, Zachary `� l From: Wagner, Jennifer Sent: Tuesday, January 16, 2018 2:35 PM To: Carlton, Zachary Cc: Fortner, Cal Subject: Fwd: Additional Traffic Information - Miske Meadows Attachments: Randy Barney.vcf Zach, Would you please forward this message from Randy Barney to the Council Wor have printed copies available for tonight's meeting. I think it's important Randy's comments are shared. I believe he will be in attendance at tonight's meeting. Thank you, Jennifer Begin forwarded message: From: Randy Barney <randv@n,rbsmn.com> Subject: RE: Additional Traffic Information - Miske Meadows Date: January 16, 2018 at 11:25:25 AM CST To: "Wagner, Jennifer" <Jennifer.Wagnerna,ElkRiverMN.gov> Thank you, Jennifer. I appreciate the info. What the study does not consider from what I can see, is the additional traffic generated from the growth in Anoka County, and traffic coming into Elk River from the north of the school and east of the school. There are 2 primary ways to get to 169 and they both come down to one point (CR #12) down by Walmart. All the businesses that have opened up down by Walmart, were not there back then, and this drives additional traffic down these roads to access these businesses now. When the counts were done in 2004, things were different back then. Newer projections are a best guess scenario, and can be slanted in favor of those that need to see a project be approved which would require some type of data to back up their prerequisites. I do not see where they did these on Twin Lakes Road during school season. Am I incorrect on this? If so I stand corrected. My recommendation would be to do a new study taking into account the school being in session. A traffic count study done 14 years ago can only be partially accurate with so many changes taking place. If the City feels that they need to change the land designation from one type to another (low density to high density) housing, it would seem a current study on the main roads 12 and 13 be done with traffic to see what the real numbers actually are. As I have so strongly expressed through the meetings, is that Lincoln Street was originally planned to continue on into a new area for development to the south east, but this type of development was to be similar to our Sunset Ridge development. Traffic would not have been an issue. With the change in higher density, comes a major increase in traffic corresponding to the strict number relationship. That is why I have been so opposed to the interconnected developments. There is a sight visibility issue leaving Lincoln onto Twin Lakes Road as many will attest to. Winter time it is snow banks. Summertime it is the brush and woods on private land that you cannot see through with foliage in place. I recommend that each council member take a drive out to the development and see for themselves the issue I am concerned about so that they can realize the safety concerns I have for people trying to access Twin Lakes Road. Snow and ice just compound the issue as slow starts due to road conditions only exacerbate the issue. Thanks for taking the time to read this Jennifer. I appreciate having representation for us people concerned in the development. LaRandy Barney President RB's Computer Service, Inc. 19112 Freeport 5t. E109 Elk River, h9N, 55330 (763)441-3884 randy(a)rbsmn.com http://www.rbsmn.com FRONI L, �w �P�reR se`s NOTICE: This email is covered by the Electronic Communications Privacy Act, 18 U.S.C. §§2510-2521 and is legally privileged. The information contained in this email is intended only for use of the individual or entity named above. If the reader of this message is not the intended recipient, or the employee or agent responsible to deliver it to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please immediately notify us by telephone (763.441-3884), and destroy the original message. Thank you. From: Wagner, Jennifer[mailto:Jennifer.Waener@ElkRiverMN.Rovj Sent: Tuesday, January 16, 2018 10:31 AM To: Randy Barney <randv@rbsmn.com> Subject: Fwd: Additional Traffic Information - Miske Meadows Randy, I wanted to share this information with you as I know you are concerned about increased traffic with the Miske Meadows development. Attached is the traffic study and findings. I share your concern for safety of all travelers throughout Elk River. I will continue to work with County Commissioner Burandt and stay abreast of the county's plans for improvement along Twin Lakes Road and adjoining roads. Please don't hesitate to contact me if you have any questions! I appreciate so much that you come to meetings and voice your thoughts and are part of these important discussions. Thank you, Jennifer 612-741-1619 Begin forwarded message: From: "Carlton, Zachary" <zcarlton@ElkRiverMN.eov> Subject: Additional Traffic Information - Miske Meadows Date: January 16, 2018 at 9:39:30 AM CST Cc: "Miller, Jessica" <JMiller@ElkRiverMN.aov> Mayor and Council, Paxmar forwarded an updated traffic study yesterday afternoon. The update includes a comparison of traffic volumes on the roads surrounding the Miske Meadows subdivision. The table includes traffic counts from the 2004 study, projections for 2011 and 2024, and the latest traffic counts on the surrounding roads from 2014. Overall, the traffic volumes observed in 2014 (with limited development in Miske and the addition of a school) are generally less than the 2011 no -build scenario. Continued development in Miske Meadows will increase traffic, but traffic generation and volumes are generally below what was expected in 2004, and the improvements noted in the 2004 study were completed to address traffic issues resulting from this development. Staff does not have any concerns with the proposed Miske Meadows subdivision as it relates to traffic. Please let me know if you have any questions, and I will see you tonight. Zack Carlton, AICP I Planning Manager 763.635.1035 w 1763.635.1090 f 13065 Orono Parkway I Elk River I MN 155330 River rlrlltl It NATURE