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HomeMy WebLinkAboutApplication APPLICANT 3/31/2023IlCity of Springfield Development & Public Works 225 Fifth Street Springfield, OR 97477 Land Division Tentative Plan Partition, Subdivision SPgIN6P1l� Application Type (Applicant; check one P:rrt n Tentative Pre -Submittal: LJSubdivision Tentative Pre -Submittal: -""® Partition Tentative Submittal: LJ Subdivision Tentative Submittal: ❑ Required Project Information (Applicant: complete this section) Applicant Name: Oxwood Properties A Street LLC Phone:( 41) 48S -405o ext 212 Company: Fax: Address: 886 Gentry St. Eugene, OR o2 Applicant's Rep.: Katie Keidel Associate Planner Phone: (541)302-9830 Company: Metro Planning, Inc. Fax: Address: 8 6AStreet Springfield, OR Property Owner: Oxwood Properties A Street LLC Phone: b. 8 - o o ext 212 Company: Fax: Address: 8869S Gentry St. Eugene, OR gZ402 ASSESSOR'S MAP NO: 17-02-35-42 TAX LOT NOS : 200,202'oo Property Address: Vacant - Main Street & 74th Size of Property: 2.21 Acres X❑ Square Feet ❑ Proposed Name of Subdivision: Oxwood Subdivision Pro osal• i' Description of If you are filling In this form by hand, please attach your proposal description to this apJxt ExistingUse: Vacant #of Lots/Parcels: Total acreage of parcels/ all..densit :2.21 ac6-1 no maximum Proposed # Dwell units 95F Signatures: Please sign and print our name and date in theappropriate Required Project Information (City Intake Staff., Associated Applications: box on complete this section) Signs: Pre -Sub Case No.: Date: Reviewed by: Case No.: Date; Reviewed by: Application Fee: Technical Fee: Postage Fee: $ TOTAL FEES: $ PROJECT NUMBER: Revised 1/7/14 kl 1 of 10 Owner Signatures This application form is used for both the required pre -submittal meeting and subsequent complete application submittal. Owner signatures are required at both stages in the application process. An application without the Owner's original signature will not be accepted. The undersigned acknowledges that the information in this application is correct and accurate for scheduling of the Pre- Submittal Meeting. If the applicant is not the owner, the owner hereby grants permission for the applicant to act in his/her behalf. I/we do hereby acknowledge thI/ we are legally responsible for all statutory a timelines, information, re _ n 9quirements conveyed to my representative. Date: �J t 0 a Signatur Prin I represent this application to be complete for submittal to the City. Consistent with the completeness check performed on this application at the Pre -Submittal Meeting, I affirm the Information Identified by the City as necessary for processing the application Is provided herein or the information will not be provided if not otherwise contained within the submittal, and the City may begin processing the application with the information as submitted. This statement serves as written notice pursuant to the requirements of ORS 227.178 pertaining to a complete application. Date: Signature Revised 1/7/14 kI 2 of 10 Land Division Tentative Application Process 1. Applicant Submits a Land Division Tentative Application for Pre -Submittal • The application must conform to the Land Division Tentative Submittal Requirements Checklist on pages 4-6 of this application packet. • A pre -submittal meeting to discuss completeness is mandatory, and pre -submittal meetings are conducted every Tuesday and Friday, from 10:00 am - noon. • Planning Division staff strives to conduct pre -submittal meetings within five to seven working days of receiving an application. 2. Applicant and the City Conduct the Pre -Submittal Meeting • The applicant, owner, and design team are strongly encouraged to attend the pre - submittal meeting. • The meeting is held with representatives from Public Works Engineering and Transportation, Community Services (Building), Fire Marshall's office, and the Planning Division and is scheduled for 30 to 60 minutes. The Planner provides the applicant with a Pre -Submittal Checklist specifying the items required to make the application complete if it is not already complete, and the applicant has 160 days submit a complete application to the City. 3. Applicant Submits a Complete Application, City Staff Review the Application and Issue a Decision • A complete application must conform to the Land Division Tentative Submittal Requirements Checklist on pages 4-6 of this application packet. • A Type II decision, made after public notice, but without a public hearing, unless appealed, is issued within 120 days of submittal of a complete application. • Mailed notice is provided to property owners and occupants within 300 feet of the property being reviewed and to any applicable neighborhood association. In addition, the applicant must post one sign, provided by the City, on the subject property. • There is a 14 -day public comment period, starting on the date notice is mailed. • Applications are distributed to the Development Review Committee, and their comments are incorporated into a decision that addresses all applicable approval criteria and/or development standards, as well as any written comments from those given notice. • Applications may be approved, approved with conditions, or denied. • At the applicant's request, the Planner can provide a copy of the draft land use decision prior to issuing the final land use decision. • The City mails the applicant and any party of standing a copy of the decision, which is effective on the day it is mailed. • The decision issued is the final decision of the City but may be appealed within 15 calendar days to the Planning Commission or Hearings Official. Revised 1/7/14 kl 3 of 10 Land Division Tentative Submittal Requirements Checklist NOTE: • ALL of the following items MUST be submitted for BOTH Pre -Submittal and Submittal. • If you feel an item on the list below does not apply to your specific application, please state the reason why and attach the explanation to this form. ❑ Application Fee - refer to the Development Code Fee Schedule for the appropriate fee calculation formula. A copy of the fee schedule is available at the Development & Public Works Department. Any applicable application, technology, and postage fees are collected at the pre -submittal and submittal stages. X❑ Land Division Tentative Application Form ® Narrative explaining the purpose of the proposed development, the existing use of the property, and any additional information that may have a bearing in determining the action to be taken. Density - list the size of property (acres), maximum allowable density and the density proposed. ® Copy of the Deed 0 Copy of a Preliminary Title Report issued within the past 30 days documenting ownership and listing all encumbrances. 0 Copy of the Land Division Plan Reduced to 81/2"x 11", which will be mailed as part of the required neighboring property notification packet. ❑ Right -of -Way Approach Permit Application provided where the property has frontage on an Oregon Department of Transportation (ODOT) facility. ® Three (3) Copies of the Stormwater Management System Study with Completed Stormwater Scoping Sheet Attached - The plan, supporting calculations, and documentation must be consistent with the Engineering Design Standards and Procedures Manual. ❑ Three (3) Copies of the Traffic Impact Study prepared by a Traffic Engineer in accordance with SDC 4.2-105 A.4. Traffic Impact Studies (TIS) allow the City to analyze and evaluate the traffic impacts and mitigation of a development on the City's transportation system. In general, a TIS must explain how the traffic from a given development affects the transportation system in terms of safety, traffic operations, access and mobility, and immediate and adjoining street systems. A TIS must also address, if needed, City, metro plan and state land use and transportation policies and objectives. ® Four (4) Copies of the Following Plan Sets for Pre -Submittal OR Three (3) Copies of the Following Plan Sets: ❑ All of the following plans must include the scale appropriate to the area involved and sufficient to show detail of the plan and related data, north arrow, and date of preparation. ❑ All plan sets must be folded to 61/2" by 11" and bound by rubber bands. a. Site Assessment of Existing Conditions ❑ Prepared by an Oregon licensed Landscape Architect or Engineer Revised 1/7/14 kl 4 of 10 X Vicinity Map ® The name, location, and dimensions of all existing site features including buildings, curb cuts, trees, and impervious surface areas, clearly indicating what is remaining and what is being removed. For existing structures to remain, also indicate present use and required setbacks from proposed property lines. ® The name, location, dimensions, direction of flow and top of bank of all watercourses and required riparian setback that are shown on the Water Quality Limited Watercourse Map on file in the Development & Public Works Department ® The 100 -year floodplain and floodway boundaries on the site, as specified in the latest adopted FEMA Flood Insurance Rate Maps or FEMA approved Letter of Map Amendment or Letter of Map Revision ® The Time of Travel Zones, as specified in SDC 3.3-200 and delineated on the Wellhead Protection Areas Map on file in the Development & Public Works Department ® Physical features including, but not limited to trees 5" in diameter or greater when measured 4 '/3 feet above the ground, significant clusters of trees and shrubs, riparian areas, wetlands and rock outcroppings ® Soil types and water table information as mapped and specified in the Soils Survey of Lane County. A Geotechnical Report prepared by an Engineer must be submitted concurrently if the Soils Survey indicates the proposed development area has unstable soils and/or a high water table b. Land Division Tentative Plan ® Prepared by an Oregon licensed Land Surveyor ® City boundaries, the Urban Growth Boundary, and any special service district boundaries or railroad right-of-way which cross or abut the proposed land division ® Location and width of all existing and proposed easements on and abutting the proposed land division ® Boundaries of entire area owned by the property owner, of which the proposed land division is a part, as well as dimensions and size of each parcel and the approximate dimensions of each building site indicating the top and toe of cut and fill slopes to scale ® Location and type of existing and proposed street lighting, including type, height, and area of illumination ® Location, widths, conditions, and names of all existing and proposed streets, alleys, dedications or other right-of-ways within or adjacent to the proposed land division. Proposed streets should also include approximate radius of curves and grades and relationship to any projected streets as shown on the Metro Plan, TransPlan, Conceptual Development Plan, or Conceptual Local Street Map. ® Location of existing and required traffic control devices, fire hydrants, power poles, transformers, neighborhood mailbox units and similar public facilities ® Location and dimensions of existing and proposed driveways ® Location of existing and proposed transit facilities ® Location and width of all existing and proposed sidewalks, sidewalk ramps, pedestrian access ways and bike trails ® Location, size and type of plantings and street trees in any required planter strip Revised 1/7/14 kl 5 of 10 ® Location and size of existing and proposed utilities on and adjacent to the site including sanitary sewer mains, stormwater management systems, water mains, power, gas, telephone, and cable TV. Indicate the proposed connection points ® The locations of all areas to be dedicated or reserved for public use, with the purpose, condition or limitations of the reservations clearly indicated ® Future Development Plan where phasing or large lots/parcels are proposed as specified in SDC 5.12-120 E. c. Stormwater Management Plan ® Prepared by an Oregon licensed Civil Engineer ® Planting plan prepared by an Oregon licensed Landscape Architect where plants are proposed as part of the stormwater management system ® Roof drainage patterns and discharge locations ® Pervious and impervious area drainage patterns ® The size and location of stormwater management systems components, including but not limited to: drain lines, catch basins, dry wells and/or detention ponds; stormwater quality measures; and natural drainageways to be retained ® Existing and proposed spot elevations and contours lines drawn at 1 foot intervals (for land with a slope over 10 percent, the contour lines may be at 5 foot intervals) ® Amount of proposed cut and fill ❑ Additional Materials That May be Required IT IS THE APPLICANT'S RESPONSIBILITY TO DETERMINE IF ADDITIONAL STANDARDS/APPLICATIONS APPLY TO THE PROPOSED DEVELOPMENT. THE APPLICANT SHOULD CONSIDER UTILIZING PRE -DEVELOPMENT MEETINGS AS DISCUSSED IN SDC 5.1-120: ❑ Proposed deed restrictions and a draft of any Homeowner's Association Agreement ❑ Additional plans and documentation for submittal of a Cluster Subdivision proposal as specified in SDC 3.2-230 ❑ Riparian Area Protection Report for properties located within 150 feet of the top of bank of any Water Quality Limited Watercourses (WQLW) or within 100 feet of the top of bank of any direct tributaries of WQLW ❑ A Geotechnical Report prepared by an engineer must be submitted concurrently if there are unstable soils and/or a high water table present ❑ Where the development area is within an overlay district, address the additional standards of the overlay district ❑ If five or more trees are proposed to be removed, a Tree Felling Permit as specified in SDC 5.19-100 ❑ A wetland delineation approved by the Oregon Division of State Lands must be submitted concurrently where there is a wetland on the property ❑ Any required federal or state permit must be submitted concurrently or evidence the permit application has been submitted for review ❑ Where any grading, filling or excavating is proposed with the development, a Land and Drainage Alteration permit must be submitted prior to development Revised 1/7/14 kl 6 of 10 ❑ Where applicable, any Discretionary Use or Variance as specified in SDC 5.9-100 and 5.21-100 ❑ An Annexation application, as specified in SDC 5.7-100, where a development is proposed outside of the city limits but within the City's urban service area and can be served by sanitary sewer ❑ All public improvements proposed to be installed and to include the approximate time of installation and method of financing Revised 1/7/14 kl 7 of 10 225 FIFTH STREET SPRINGFIELD, OR 97477 PHONE: 541.726.3753 FAX. 541.736.1021 www.spnngfield-orgov December 6, 2013 REQUIRED STORMWATER SCOPING SHEET USE POLICY: In October 2003, Springfield Public Works released a trial "stonnwater scoping sheet," provided to help engineers and developers meet stormwater requirements in the Springfield Development Code (SDC) and Engineering Design Standards and Procedures Manual (EDSPM). After a five month trial period, it became apparent that users of the scoping sheet submitted much more complete applications than non-users. An added bonus was a decrease in the overall review time spent on the applications, resulting in quicker notice of decisions. As a result of the benefits of the scoping sheets, the City has decided to make their use a mandatory process. Current city policy is that the use of stormwater scoping sheets is required for all applications which require development review. All applications submitted to the City shall provide a copy of a completed stormwater scoping sheet with the application packet. Attached with this letter is the latest version of the scoping sheet, which reflects changes requested by the development community. PLEASE NOTE: SUBMITTED APPLICATIONS WILL NOW BE REQUIRED TO SUBMIT A COMPLETED STORMWATER SCOPING SHEET, STORMWATER STUDY AND PLANS IN CONFORMANCE WITH THE SCOPE REQUIREMENTS U 17 rrrrr 31b4LCeI91 ri7 V,P"IN N:1 1.) Obtain scoping sheet from application packet, city website, or other location. 2.) Fill out project information (top half of front sheet) prior to commencement of work on stormwater study. (Note: Do not sign scoping sheet until it is received from the City with requirements checked.) 3.) Mail, fax, or email all pages to: City of Springfield, Development and Public Works Dept., Attu: Clayton McEachem. 4.) Receive completed scoping sheet (filled out by the City) indicating minimum requirements for a complete stormwater study. 5.) Include four (4) copies of complete scoping sheet (signed by engineer at the bottom of page 2), stormwater study and plans that comply with the minimum required scope with submittal of application packet. The scoping sheet shall be included as an attachment, inside the front cover of the stormwater study. Stormwater scoping sheets can be found with all application packets (City website and the DPW front counter) as well as on the Engineering and Construction Resources webpage located at: httv://www.springfield- or.gov/DPW/EnginmringmdConstructionResources.htm under the Public Improvement Permit Projects Forms section. Thank you in advance for working with the City of Springfield with this new process. Sincerely, Clayton McEachern, PE City of Springfield, Development and Public Works Email: cmeeachem@springfieldor.gov Phone: (541) 736 —1036 Fax: (541) 736-1021 DEVELOPMENT AND PUBLIC WORKS SPRINGFIELD 225 FIFTH STREET OREGON SPRINGFIELD, OR 97477 PHONE: 541.726.3753 FAX: 541.726.1021 www.spdrygfiald­or.gov STORMWATER MANAGEMENT SYSTEM SCOPE OF WORK ----------- — (Area below this b'sefdled out by Applicant) __— (Please return to Clayton MEachern @ City ofSprtngiiield Development and Public Works, Fan # 736-1021, Phone # 736-1036), enwd:cnae�lern@sprirtglleldor.gov Project Name: Applicant: Assessors Parcel #: Date: Land Use(s): Phone #: Project Size (Acres): Fax #: Approx. Impervious Area: Email: Project Description (Include a copy of Assessor's map): Drainage Proposal (Public connection(s), discharge location(s), etc. Attach additional sheet(s) if necessary: Proposed Stormwater Best Management Practices: (Area below this line /'died outby the City andReturned m the Aaabeand (At a nurumuan, all boxes checked by the City on the front and backoftlus sheet shall be subnutted or on application to be coaWletefor subnuttal, afthough other requirements n be recess Drainage Study Type (EDSPM Section 4.03.2): (Note, UH may be substituted for Rational Method) ❑ Small Site Study—(use Rational Method for calculations) ❑ Mid -Level Development Study— (use Unit Hydrograph Method for calculations) ❑ Full Drainage Development Study— (use Unit Hydrograph Method for calculations) Environmental Considerations: ❑ Wellhead Zone: ❑ Wedand/Riparian: ❑ Soil Type: Downstream Analysis: ❑ N/A ❑ Flow line for starting water surface elevation: ❑ Design HGL to use for starting water surface elevation: ❑ Manhole/Junction to take analysis to: ❑ Hillside Development: ❑ Floodway/Floodplain: ❑ Other Jurisdictions Return to Clayton McEachem @ City of Springfield, email: cmceachem@springfeAd-or,gov, FAX., (541) 736-1021 COMPLETE STUDY ITEMS r Baredupon the tnfor nation provided on tie front ofdds sheet, the follou>ing represents a ndndnnou of uvh w it merkdfor on application to be complete for subnddal with respect to drainage; however, this list should not be used in lieu ofde Sprirgtield Development Cork (SDC) or the City's Engineering Design A3mma1. Connpltance with these requirements does not constitute site appromol, Adebooml site specific information nary be required Note: Upon scoping sheet subndttal, ensure completedfornu has been signed in the spare provickel below: Interim Design Standards/Water Quality (EDSPM Chapter 3 Req'd N/A ❑ ❑ All non -building rooftop (NBR) impervious surfaces shall be pre-treated (e. g. multi-chambered catchbasin w/oil filtration media) for stonmvater quality. Additionally, aminimum of 50% of the NBR impervious surface shall be treated by vegetated methods. ❑ ❑ Where required, vegetative stommwater design shall be consistent with design standards (EDSPM Section 3.02), set forth in Chapter 2 of the Eugene Stormrmer Management Manual. ❑ ❑ For new NBR impervious area less than 15,000 square feet, a simplified design approach may be followed as specified by the Eugene Stomrmvater Management Manual (Sec2A.1). ❑ ❑ If a stormrmer treatment Swale is proposed, submit calculations/specifications for sizing, velocity, flow, side slopes, bottom slope, and seed mix consistent with City of Springfield or Eugene's Stomrmvater Management Manual. ❑ Water Quality calculations as required in Section 3.03.1 of the EDSPM. All building rooftop mounted equipment, or other fluid containing equipment located outside of the building, shall be provided with secondary containment or weather resistant enclosure. ❑ n Design of Stoma Systems (EDSPM Section 4.04). ❑ ❑ Flow lines, slopes, rim elevations, pipe type and sizes clearly indicated on the plan set ❑ ❑ Minimum pipe cover shall be 15 inches for reinforced pipe and 36 inches for plain concrete and plastic pipe materials, or proper engineering calculations shall be provided when less. The cover shall be sufficient to support an 50,000 lb load without failure of the pipe structure. ❑ ❑ Manning's "n" values for pipes shall be consistent with Table 4-1 of the EDSP. All stoma pipes shall be designed to Other/Miscethmeous ❑ Drainage study prepared by a Professional Civil Engineer licensed in the state of Oregon. Existing and proposed contours, located at one foot interval. Include spot elevations and site grades showing how site ❑ A complete drainage study, as required in EDSPM Section 4.03.1, including a hydrological study map. drains. ❑ Calculations showing system capacity for a 2 -year stoma event and overflow effects of a 25 -year stoma event Private stommwater easements shall be clearly depicted on plans when private stomrmarmer flows from one property to The time of concentration (Tc) shall be determined using a 10 minute start time for developed basins. Review ofDownstream System EDSPM Section 4.03A.0 ❑ A downstream drainage analysis as described in EDSPM Section 4.03A.C. On-site drainage shall be governed by the Oregon Plumbing Specialty Code (OPSC). ❑ ❑ Elevations of the HGL and flow lines for both city and private systems where applicable. ❑ n Design of Stoma Systems (EDSPM Section 4.04). ❑ ❑ Flow lines, slopes, rim elevations, pipe type and sizes clearly indicated on the plan set ❑ ❑ Minimum pipe cover shall be 15 inches for reinforced pipe and 36 inches for plain concrete and plastic pipe materials, or proper engineering calculations shall be provided when less. The cover shall be sufficient to support an 50,000 lb load without failure of the pipe structure. ❑ ❑ Manning's "n" values for pipes shall be consistent with Table 4-1 of the EDSP. All stoma pipes shall be designed to Other/Miscethmeous ❑ Existing and proposed contours, located at one foot interval. Include spot elevations and site grades showing how site drains. ❑ Private stommwater easements shall be clearly depicted on plans when private stomrmarmer flows from one property to another. ❑ Drywells shall not receive runoff from any surface w/o being treated by one or more BMPs, with the exception of residential building roofs (EDSP Section 3.03A A). Additional provisions apply to this as required by the DEQ. Refer to thewebsite: him/Avww.deo.state.or.ushvo/uic/uic.htm for more infomuation. ❑ Detention ponds shall be designed to limit runoff to pre -development rates for the 2 through 25 -year storm events. *Thisform simU be inchukd m nn Nhuhmen5 inside the frontcover, ofthe stormnsder shady. * IAWORTANT..- ENGINEER PLEASE READ BEEOWAND SIGN' As the engineer of record, I hereby certify the above required items are complete and included with the submitted stomrmvater study and plan set. Signature Date Form Version 5: June 2015 846 A STREET SPRINGFIELD. OREGON 97AT 1541)302-9830 W W WMETROPIANNINGXOM TENTATIVE SUBDIVISION APPLICATION FOR OXWOOD PROPERTIES A STREET LLC Submittal No. 3 Document Date: March 30, 2023 Applicant's Request: Approval of Type 11 Tentative Subdivision Plan to create g -Lot Subdivision Property Owner/ Applicant: Oxwood Properties A Street LLC 88695 Gentry St Eugene, OR 97402 Applicant's Representative/ Metro Planning, Inc. Planner/Project Coordinator: Katie Keidel, Associate Planner 846 A Street Springfield, OR 97477 (543)302-9830 Surveyor: EGR & Associates 2535 Prairie Rd Eugene, OR 97402 (543) 688-8322 Civil Engineer: A&O Engineering 380 O Street, Suite zoo Springfield, OR 97477 (543)302-9790 Subject property: Assesssor's Map Number 37-02-35-42 Tax Lots zoo, 202, and 300 Site Address/ Location: Vacant on Hwy 326 near 74`^ Street Total Property Size: 2.23+/- acres Base Land Use District/ R-3/ Low Density Residential Metro Plan Designation: Number of Lots Proposed: 9 Residential Lots Background This application requests approval of a Tentative Subdivision plan to create nine (g) new lots on Assessor's Map Number 17-02-35-42 Tax Lots zoo, 202, and 300, located in Springfield near Main Street and 74`^ Street ("subject property'l. The subject property is approximately z.zi acres and is zoned Springfield R -i and designated Low Density Residential on the Metro Plan. This written statement intends to demonstrate for City staff review how the proposed Tentative Subdivision will conform to all standards, regulations, and conditions of Land Divisions under SDC 5. iz-ii5 Tentative Plan —General; SDC 5.12-12o Tentative Plan Submittal Requirements; and SDC 5.12-125 Tentative Plan Criteria. The Springfield Development Code (SDC) sections are indicated by bold and/or italic typeface; applicant's responses are indicated by plain typeface. 5.12.115 Tentative Plan —General. Any residential land division shall conform to the following standards: A. The lot/parcel dimensions shall conform to the minimum standards of this code. When lots7parcels are more than double the minimum area permitted by the zoning district, the Director shall require that these lots7parcels be arranged: 1. To allowredlvision; and z. To allow for the extension of streets to serve future lots/parcels. 3. Placement of structures on the larger lots/parcels shall be subject to approval by the Director upon a determination that the potential maximum density of the larger lot/parcel is not impaired. In order to make this determination, the Director may require a Future Development Plan as specified in SDC q.12.12 (E). Response: The subject property is zoned R -i which maintains a minimum lot size requirement of 3,000sq ftfor all lots designed for duplex dwellings, and 7,000 sq ftfor lots designed for triplex and fourp lex dwellings. Lots i-5 do not exceed double the minimum area allowed; lots 6-9 do and therefore a Future Development Plan per SDC 5.12.i5o(E) is included with this application. B. Double frontage lots7parcels shall be avoided, unless necessary to prevent access to residential development from collector and arterial streets or to overcome specific topographic situations. Response: SDC currently maintains no R -i minimum frontage requirements for subdivision lots/parcels. C. Panhandle lots/parcels shall comply with the standards specified in SDC a i.= and s i.sia(A),In the case of multiple panhandles in Subdivisions, construction of necessary utilities to serve all approved panhandle lots/parcels shall occur prior to recording the Plat. Response: Proposed lots 2-5 are panhandle lots and share a z6' wide private access (handle portion). An easement is provided via ajoint use easement that doesn't quite fit within the panhandle area. Further, the easement is also utilized to access lots 6-9. Per SDC 4.2.120 (A)(i)(c) each panhandle lot has proposed access to A Street via an irrevocablejoint use/access easement serving the subject property. Construction of necessary utilities shall occur prior to recording the Final Plat. D. Public street standards as specified in SDC c 2.10s. Response: No new public streets are proposed. 5.12.12o Tentative Plan Submittal Requirements. A Tentative Plan application shall contain the elements necessary to demonstrate that the provisions of this code are being fulfilled. EXCEPTION. In the case of Partition applications with the sole intent to donate land to a public agency, the Director, during the Application Completeness Check Meeting, may waive anysubmittal requirements that can be addressed as part of afuture development application. A. General Requirements. i. The Tentative Plan, including my required Future Development Plan, shall be prepared by an Oregon Licensed Professional Land Surveyor on standard sheets of 18 inches x24 inches. The services of an Oregon Licensed Professional Engineer may also be required by the City in order to resolve utility issues (especially stormwater management, street design and transportation issues), and site constraint and/or water quality issues. Response: Ryan Erickson, PLS of EGR & Associates, Inc., an Oregon licensed land surveyor, has prepared the Tentative Subdivision Plan included with this submittal on standard sheets Of 24" x 36". Kyle Morris, PE ofA&O Engineering, an Oregon registered professional Engineer has designed the stormwater management plan, and all other utility planning issues with this submittal on standard sheets Of 24"x 36". See attached engineering Sheets C 1.0-4.0 from A&O Engineering, and existing and proposed Tentative Subdivision Plan Set from Ryan Erickson, PLS of EGR & Associates. ]. The scale of the Tentative Plan shall be appropriate to the area involved and the amount of detail and data, normally inch = So feet, s inch = loofeet, or s inch = 2oo feet. Response: A scale Of 1": 20' is used on the A&O Engineering Plan Sheets and a scale Of "':30' is used on the EGR Tentative Subdivision Plan Set. 3. A north arrow and the date the Tentative Plan was prepared. Response: A north arrow and date are included on the Tentative Subdivision Plans included with this application. y. The name and address of the owner, applicant, if different, and the Land Surveyor and/or Engineer who prepared the Partition Tentative Plan. Response: Owner/Applicant is Oxwood Properties A Street LLC. Surveyor and engineer who prepared the Tentative Subdivision Plans are, respectively, Ryan Erickson, SLP from EGR & Associates, and Kyle Morris of A&O Engineering. S. A drawing of the boundaries of the entire area owned bythe partitioner or subdivider of which the proposed land division is a part. Response: On the Tentative Subdivision Plans, a thicker black line is drawn around the subject property to easily show the boundaries of the subject property. 6. Cityboundaries, the Urban Growth Boundary (UGB) and myspecial service district boundaries or railroad right-of-way, which cross or abut the proposed land division. Response: There are no special service district boundaries, city boundaries, or railroad rights-of-way that cross or abut the proposed subdivision. 7. Applicable zoning districts and the Metro Plan designation of the proposed land division and of properties within loo feet of the boundary of the subject property. Response: The subject property is zoned City of Springfield R -i and designated Low Density Residential in the Metro Plan. All adjacent properties to the north, east and west are also zoned R -i. 8. The dimensions (in feet) and size (either in square feet or acres) of each lot/parcel and the approximate dimensions of each building site, where applicable, and the top and toe of cut and fill slopes to scale. Response: Dimensions and sizes for each proposed lot are indicated in feet and square feet, respectively, on the attached Tentative Subdivision Plan . g. The location, outline to scale and present use of all existing structures to remain on the property after platting and their required setbacksfrom the proposed new property lines. Response: There are no existing structures on the subject property. so. The location and size of existing and proposed utilities and necessary easements and dedications on and adjacent to the she, including, but not limited to, sanitary sewer mains, stormwater management systems, water mains, power, gas, telephone, and cable TV. Indicate the proposed connection points. Response: All proposed utilities are located underground. Utility drop down to come from existing overhead electric and utilities in A Street. Existing overhead electric utilities on Main Street to remain overhead. Natural gas, communications, and power to be joint trenched within 7' PUE. Lots 1-9 are to be served via individual laterals connected to an 8" proposed public mainline. Private ownership is proposed to begin at easement boundary. Proposed wastewater manholes to be constructed per City of Springfield standards. Final utility design to be completed during building permitting process by franchise utility providers. Current utility routings shown are preliminary. See A&O Engineering Wastewater and Utilities Sheet C —4 i. ss. The locations, widths and purpose of all existing or proposed easements on and abutting the proposed land division; the location of anyexisting or proposed reserve strips. Response: All proposed public and private access, utility, and maintenance easements are indicated on site plans, including location, width, and purpose. zz. The locations of all areas to be dedicated or reserved for public use, with the purpose, condition or limitations of the reservations clearlyindicated. Response: Tract A is proposed for stormwater detention and will be dedicated to the City of Springfield at the time of Final Plat. Tract A and proposed PUEs are shown on the attached Tentative Subdivision Plan Set. (B) A Site Assessment of the Entire Development Area. The Site Assessment shall he prepared by an Oregon Licensed Landscape Architect or Engineer and drawn to scale with existing contours atz foot intervals and percent of slope that preciselymaps and delineates the areas described below. Proposed modifications to physical features shall be clearly indicated. The Director may waive portions of this requirement if there is a finding that the proposed development will not have an adverse impact on physical features or water quality, either on the site or adjacent to the site. Information required for adjacent properties may be generalized to show the connections to physical features. A Site Assessment shall contain the following information. Response: The attached Tentative Subdivision Plan include all the General Requirements, Site Assessment items, and Stormwater items. The plan was prepared and signed by Ryan Erickson, PLS, an Oregon licensed land surveyor, and Kyle Morris, of A&O Engineering, an Oregon registered Engineer. s. The name, location, dimensions, direction of flow and top of bank of all watercourses that are shown on the Water Quality Limited Watercourses (WOL W) Map on file in the Development and Public Works Department; Response: There are no watercourses shown on the Water Quality Limited Watercourses Map that encumber the subject property. z. The zao year floodplain and floodway boundaries on the site, as specified in the latest adopted FEMA Flood Insurance Maps or FEMA approved Letter of Map Amendment or Letter of Map Revision; Response: According to FEMA Flood Insurance Rate Map Number 41039Cii62F, the subject site is located in Zone X, an area determined to be outside of the Soo -year floodplain. 3. The Time of Travel Zones, as specified in SDC 3.3.zoo and delineated on the Wellhead Protection Areas Map on file in the Development and Public Works Department; Response: According to the Springfield Wellhead Protection Map, the majority of the subject property falls outside of the Time of Travel Zone for wellhead protection. Northwestem area including Tract A and portion of Lot i are located in the zo-gg combined ZOC. y. Physical features including, but not limited to significant clusters of trees and shrubs, watercourses shown on the WOLW Map and their riparian areas, wetlands, and rock outcroppings; Response: There are no watercourses, riparian areas, wetlands, or rock outcroppings located within the boundaries of the subject property. Types and diameters of trees on the site are indicated on attached site plans. S. Soil types and water table information as mapped and specified in the Soils Survey of Lane County; and Response: Soils types on the subject property are io8C Philomath Cobbly Silty Clay, 77B Marcola Cobbly Silty Clay Loam, and io6A Pengra-Urban Land Complex. See attached Earth Engineer's Infiltration Test. 6. Natural resource protection areas as specified in SDC 4.y.11 . Response: There are no natural resource protection areas present on the subject property. (C) AStormwater Management Plan drawn to scale with existing contours at 1 -foot intervals and percent of slope that precisely maps and addresses the information described below. In areas where the percent of slope is so percent or more, contours may be shown at S foot intervals. This plan shall show the stormwater management system for the entire development area. Unless exempt by the Director, the Cityshall require that an Oregon Licensed Civil Engineer prepare the plan. Where plants are proposed as part of the stormwater management system, an Oregon Licensed Landscape Architect may also be required. The plan shall include the following components: z. Roof drainage patterns and discharge locations; z. Pervious and impervious area drainage patterns; 3. The size and location of stormwater management systems components, including but not limited to: drain lines, catch basins, dry wells and/or detention ponds; stormwater qualitymeasures; and natural drainageways to be retained. y. Existing and proposed site elevations, grades and contours; and S. A stormwaterstudy and management system plan with supporting calculations and documentation as required in SDC 4.a.zzo shall he submitted supporting the proposed system. The plan, calculations and documentation shall be consistent with the Engineering Designs Standards and Procedures Manual to allow staff to determine if the proposed stormwater management system will accomplish its purposes. Response: A stormwater study including a report and management plan was designed by A & O Engineering. An existing storm manhole is located at the intersection of B St and 74th St approximately 250 feet north of the property. It is proposed to construct a new iz" public storm mainline within the 74th Street right-of-wayfrom this existing manhole tothe subject property. The applicant is proposing to discharge runoff from new impervious areas into the proposed new public storm main. To collect stormwater runoff on-site, the applicant is proposing to construct catch basins and roof downspouts that will be directed to a new filtration rain garden on-site (Proposed Tract A). The filtration rain garden will then treat the collected stormwater runoff from new impervious area and discharge into the proposed new public storm main. See attached A&O Engineering Stormwater Report and Plan Sheet C —i.o Grading & Storm Drainage. D. A response to transportation issues complying with the provisions of this code. z. The locations, condition, e.g., fullyimproved with curb, gutter and sidewalk, AC mat, or gravel, widths and names of all existing streets, alleys, or other rights-of-way within or adjacent to the proposed land division; Response: All existing streets adjacent to the subject property are indicated on the Tentative Subdivision Plan. z. The locations, widths and names of all proposed streets and other rights-of-way to include the approximate radius of curves andgrades. The relationship of all proposed streets to any projected streets as shown on the Metro Plan or Springfield Comprehensive Plan, including the SpringFiel d Transportation System Plan (including the Conceptual Street Map) and, any approved Conceptual Development Plan; Response: No streets or rights-of-way are proposed. Internal easements for access are dimensioned on the Tentative Subdivision Plan. 3. The locations and widths of all existing and proposed sidewalks, multi -use paths, and accessways, including the location, size and type of plantings and street trees in anyrequired planter strip; Response: No sidewalks, multi -use paths, or accessways are proposed. y. The location of existing and proposed traffic control devices, fire hydrants, power poles, transformers, neighborhood mailbox units and similar public facilities, where applicable; Response: Location of all existing and proposed fire hydrants, power poles, transformers, neighborhood mailbox units, and similar public facilities are shown on the attached Tentative Subdivision Plan. See A&O Sheet C — z.o. S. The location and dimensions of existing and proposed driveways demonstrating conformance with lot or parcel dimensions and frontage requirements for single family and duplex lots7parcels established in SDC a 2.2zs, and driveway width and separation specifications established in SDC c 2.z2o, whereapplicable; Response: All proposed driveways and lot dimensions for both standard and panhandle lots meet minimum requirements and are shown on the attached Tentative Subdivision Plan set. Internal driveway locations are unknown at this time and will be finalized at the time of Building Permit process. Driveways to be constructed per City of Springfield Standard Drawing 3-22. See A&O Sheets C —z.o and C-4. o. 6. The location of existing and proposed street trees, associated utilities along street frontage(s), and street lighting: including the type, height and area of illumination; Response: Existing street lights along A Street are Cobra style High -Pressure Sodium lamps. Proposed street lights will be Autobahn ATBO Series LED fixtures. Proposed lights will be on fiberglass poles with a z5' mounting height. Street tree locations to be finalized during Building Permit process but will be located no closer than zo'from street lights and no closer than 5' from driveway approaches and utility features. See A&O Engineering Sheet C-4. o. 7. The location of existing and proposed transit facilities Response: The nearest existing transit facility is the Thurston Station, located on the southeast corner of Main Street and 58`h Street. 8. A copy of a Right -of -Way Approach Permit application where the propertyhasfrontage on an Oregon Department of Transportation (ODOT)facility, and Response: The subject property is adjacent to Main Street but there is no existing or proposed access from Main Street. A Right -of -Way Approach Permit application is not required. g. A Troffc Impact Studyprepared by a Oregon Licensed Traffic Engineer, where necessary, as specified in SDC4.2.10 (A)(4). Response: Based on the Institute of Transportation Engineers (ITE) Trip Generation Manual, ii`h Edition, the proposed Tentative Subdivision generate well underthe i,000 trips per daythreshold requiring a Traffic Impact Study (TIS). E. A Future Development Plan. Where phasing and/or lots/parcels that are more than twice the minimum lot/parcel size are proposed, the Tentative Plan shall include a Future Development Plan that: s. Indicates the proposed redivision, including the boundaries, lotiparcel dimensions and sequencing of each proposed redivision in any residential district, and shall include a plot plan showing building footprintsfor compliance with the minimum residential densities spec fed in SDC 3.2.20 q z. Addresses street connectivity between the various phases of the proposed development based upon compliance with the Springfield Transportation System Plan (including the Conceptual Street Map), the Regional Transportation Plan (RTP), applicable Refinement Plans, Plan Districts, Master Plans, or this code; 3. Accommodates other required public improvements, including, but not limited to, sanitary sewer, stormwater management, water and electricity; 4. Addresses physical features, including, but not limited to, significant clusters of trees and shrubs, watercourses shown on the Water QualityLimited Watercourse Map and their associated riparian areas, wetlands, rock outcroppings and historicfeatures; and S. Discusses the timing and financial provisions relating to phasing. Response: The Proposed Future Development Plan addressing applicable subsections 1-5, above, is attached. F. Additional information and/or applications required at the time of Tentative Plan application submittal shall include the following items, where applicable: s. A brief narrative explaining the purpose of the proposed land division and the existing use of the property; Response: The subject property is currently vacant. Property owner is requesting, with this application, to subdivide the subject property into nine (g) residential lots, according to Springfield Development Code guidelines and requirements. This written statement serves as a narrative expounding on the purpose of the proposed subdivision of the subject property. ]. If the applicant is not the property owner, written permission from the property owner is required; Response: The applicant, Oxwood Properties A Street LLC, is the property owner and has signed the attached application form. 3. A Vicini[yMap drawn to scale showing bus stops, streets, driveways, pedestrian connections, fire hydrants, and other tronsportation1fire access issues within zao feet of the proposed land division and all existing Partitions or Subdivisions immediately adjacent to the proposed land division; Response: A vicinity map is shown on the attached Tentative Subdivision Plan Set. S. How the Tentative Plan addresses the standards of any applicable overlay district; Response: No overlay districts apply to the subject property. S. How the Tentative Plan addresses Discretionary Use criteria, where applicable Response: The entirety of the subject property iszoned R -i, designated Low Density Residential. The proposed Tentative Subdivision residential development plan within the R -i zone is a permitted use according to SDC 3.2-2io. No Discretionary Use Permit is required. 6. A Tree Felling Permit as specified in SDC s.ig.ioo; Response: No trees are proposed to be felled. 7. A Geotechnical Reportfor slopes of sS percent orgreater and as specified in SDC ?.?.sao" and/or if the required Site Assessment in SDC 5.13.130(B) indicates the proposed development area has unstable soils and/or high water table as specified in the Soils Survey of Lane County; Response: There are no slopes greater than 15% on this site. 8. An Annexation application as specified in SDC S.7.ioo where a development is proposed outside of the city limits but within City's urban growth boundary and can be serviced bysanitarysewer; Response: The subject property is within the City of Springfield city limits. g. A wetland delineation approved by the Department of State Lands shall be submitted concurrently where there is a wetland on the property; Response: There are no existing wetlands on the subject property. so. Evidence that anyrequired Federal or State permit has been applied for or approved shall be submitted concurrently; Response: No Federal or State permits are required with this Tentative Subdivision application. ss. All public improvements proposed to be installed and to include the approximate time of installation and method of financing; Response: The applicant proposes to initiate construction of this subdivision as soon as possible upon final approval of subdivision plat, with private financing resources. zz. Proposed deed restrictions and a draft of a Homeowner's Association Agreement, where appropriate; Response: No deed restrictions or Homeowner's Association are proposed at this juncture. 13. Where the Subdivision of a manufactured dwelling park or mobile home park is proposed, the Director may waive certain submittal requirements specified in subsections (A) through (M). However, the Tentative Plan shall address the applicable standards listed under the park Subdivision approval criteria specified in SDC 5.13.135. Response: This application is not proposing the subdivision of a manufactured dwelling or mobile home park. 5.12•��5 Tentative Plan Criteria. The Director shall approve or approve with conditions a Tentative Plan application upon determining that all applicable criteria have been satisfied. If conditions cannot be attached to satisfy the approval criteria, the Director shall deny the application. In the case of Partitions that involve the donation of land to a public agency, the Director may waive any approval criteria upon determining the particular criterion can be addressed as part of a future development application. A. The request conforms to the provisions of this code pertaining to lot/parcel size and dimensions. Response: The Applicant's request to subdivide the subject property's approximately 3.31 acres into a nine (g) lot subdivision conforms with all provisions and mandatory minimum development standards for City of Springfield, R -i zone, as specified in SDC 3.3-315. • R -i minimum lot size requirements: 3, coo sf for sing le -family and duplex dwellings; 5, coo sf for triplex dwellings; 7,000 sf for fourp lex dwellings. All nine (g) proposed lots meet the minimum lot size requirements. See Tentative Subdivision Plan Set for exact lot dimensions. • Lots 6-9 of the proposed Tentative Subdivision potentially exceed twice the minimum R -i allowable lot size and are therefore required to be arranged according to the specifications in SDC 5.13-115. • A Future Development Plan has been designed for Lots 6-9 according to specifications in SDC 5.13-13oE. See Proposed Future Development Plan Sheet for exact dimensions. B. The zoning is consistent with the Metro Plan diagram and/or applicable Refinement Plan diagram, Plan District map, and Conceptual Development Plan. Response: The subject property is zoned City of Springfield R -i, which is consistent with the Metro Plan diagram and designation of Low Density Residential. C. Capacityrequirements of public and private facilities, including but not limited to, water and electricity; sanitary sewer and stormwater management facilities; and streets and traffic safety controls shall not be exceeded and the public improvements shall be available to serve the site at the time of development, unless otherwise provided for by this code and other applicable regulations. The Director or a utility provider shall determine capacityissues. Response: Preliminary engineering plans designed by A&O Engineering are included with this Tentative Subdivision Application, and address the extension of public and private facilities, and related capacity. Public Improvement Plan (PIP) drawings will be submitted to the City after Tentative Subdivision Plan approval. D. The proposed land division shall comply with all applicable public and private design and construction standards contained in this code and other applicable regulations. Response: This proposed 9 -Lot Subdivision is and shall be in compliance with all applicable public and private design and construction standards contained in this code and other applicable regulations. E. Physical features, including, but not limited to: steep slopes with unstable soil orgeologic conditions; areas with susceptibility of flooding; sign (cant clusters of trees and shrubs; watercourses shown on the WOLW Map and their associated riparian areae other riparian areas and wetlands specified in SDC 4.3.11r, rock outcroppings; open spaces; and areas of historic and/or archaeological significance, as maybe specified in SDC 3.3.900 or ORS 97.740.760.358.905.955 and39o.235.240, shall be protected as specified in this code Orin State or Federal law. Response: The subject property is relatively flat with no unstable soil and some sloping at the south em property boundary. This development site is located outside of the ioo-year floodplain. There are no significant clusters of trees, watercourses, riparian areas, wetlands, rock outcroppings, or other historically/ archaeological significant features within the boundaries of the proposed partition. See attached Tentative Subdivision Plan — Existing Conditions. F. Parking areas and ingress -egress points have been designed to: facilitate vehicular traffic, bicycle andpedestrian safety to avoid congestion; provide connectivity within the development area and to adjacent residential areas, transit stops, neighborhood activity centers, and commercial, industrial and public areas minimize driveways on arterial and collector streets as specified in this code or other applicable regulations and comply with the ODOT access management standards for State highways. Response: Parking areas to be finalized prior to final plat and shall comply with all criteria in this subsection. Driveways shall be proposed along private drive complying with minimization of driveways on arterial and collector streets. G. Development of anyremainder of the property under the same ownership can he accomplished as specified in this code. Response: The subject property is owned by Oxwood Properties A Street LLC, and all development of the subject property is proposed in this Tentative Subdivision Plan. H. Adjacent land can be developed or is provided access that will allowits development as specified in this code. Response: Adjacent land is already developed. L Where the Partition of property that is outside of the city limits but within the City's urbanizable area and no concurrent annexation application is submitted, the standards specified below shall also apply. s. The minimum area for the partitioning of land in the OF -10 Overlay District shall he 10 acres. z. EXCEPTIONS: a. Any proposed new parcel between 5 and so acres shall require a Future Development Plan as specified in SDC 5.zz.zzo(E) for ultimate development with urban densities as required in this code. h. In addition to the standards of subsection (1)(2)(a), above, any proposed new parcel that is less than 5 acres shall meet 1 of the following standards: L The property to be partitioned shall be owned or operated by a governmental agency or public utility; or H. A majority of parcels located within loo feet of the property to be partitioned shall be smaller than s acres. W. No more than 3 parcels shall be created from s tract of land while the propertyremains within the UF -10 Overlay District. EXCEPTION. Land within the UF -10 Overlay District maybe partitioned more than once as long as no proposed parcel is less than s acres in size. Response: The subject property is located within the City of Springfield city limits. J. Where the Subdivision of a manufactured dwelling park or mobile home park is proposed, the following approval criteria apply. s. The park was approved before Julyz, 2003 and is in compliance with the standards in SDC 3.2.2; or other land use regulations in effect at the time the site was approved as a manufactured dwelling park or mobile home park; or the park is an approved non -conforming use. In the latter case, a park is in compliance if the City has not issued a notice of noncompliance on or before July z, zaoz. z. The number of lots proposed shall be the same or less than the number of mobile home spaces previously approved or legally existing in the park. 3. The external boundary or setbacks of the park shall not be changed. 4. The use of lots, as shown on the Tentative Plan, shall be limited to the installation of manufactured dwellings; i.e., 'stick-built"houses are prohibited. S. Any other area in the Subdivision other than the proposed lots shall be used as common property, unless park streets have previously been dedicated to the City or there are public utilities in the park. All common property shall be addressed in a Homeowners'Association Agreement. a. Areas that are used for vehicle circulation (streets), driveways that serve more than z lots/parcels or common parking areas, shall be shown in a Tract or easement on the Tentative Plan. b. All other services and utilities that serve more than s lot shall be in a Tract or easement. Where a service or utility serves only lot, but crosses another, that service or utility shall also be in an easement shown on the Tentative Plan. c. Existing buildings in the park used for recreational, meetings or other purposes for the park residents shall be in a Tract shown on the Tentative Plan. 6. Any public utilities shall be within a public utility easement. 7. If public utilities or services are required to serve the Subdivision, the park owner shall sign and execute a waiver of the right to remonstrate against the formation of a local improvement district to provide the public utilities or services. (6443) Response: This application is for a Tentative Subdivision but is not a subdivision of a manufactured dwelling park/mobile home park. This criterion is not applicable. 10 DEVELOPMENT AND PUBLIC WORKS SPRINGFIELD OWL 225 FIFTH STREET OREGON SPRINGFIELD, OR 97477 PHONE: 541.726.375353 FAX.541.726.1021 wwwspdngfield-orgov STORMWATER MANAGEMENT SYSTEM SCOPE OF WORK -------------------------------- (Area below this line f Ifed out by Applicant) -------------------------------- (Please return to Clayton McEachern @ City ofSpringfield Development and Public Warks; Fax # 736-1021, Phone # 736-1036), email: em ceachern@springfreld-or. gov Project Name: Oxwood Subdivision Applicant: A&O Engineering LLC Assessors Parcel #: 17-02-35-42 - 200 & 202 Date: 04/25/2022 Land Use(s): Residential Phone #: (541) 302-9790 Project Size (Acres): 1.56 Fax #: Approx. Impervious Area: 1.25 Email: kylemorris(a@ao-engr.com Project Description (Include a copy of Assessor's map): Construct townhouse subdivision development with private drive and stormwater infrastructure. Drainage Proposal (Public comuction(s), discharge location(s), etc. Attach additional sheets) if necessary: Utilize infiltration if test results come back good. If overflow is necessary either construct weepholes through curb from pump catch basins or construct new public stormline to existing catch basin north of site at intersection of 74th Street and B Street. Proposed Stormwater Best Management Practices: Construct either individual stormwater planters on-site or pervious pavement for the driveway. Potentially build underground rock chambers for infiltration after treatment if infiltration rates are good. ----------------------------- (Area below this line fillet! out by the City and Returned to the Applicant)--------------� -an - (At a minimum, all boxes checked by the City on the front and back of this sheet shall be submitted or an a for application to be complete for submittal, although other requirements may be necessa Drainaee Study Tyne (EDSPM Section 4.03.2): (Note, UH may be substituted for Rational Method) V1 Small Site Study— (use Rational Method for calculations) ❑ Mid -Level Development Study — (use Unit Hydrograph Method for calculations) ❑ Full Drainage Development Study— (use Unit Hydrograph Method for calculations) Environmental Considerations: ❑ Wellhead Zone: 99 year ❑ Hillside Development: n/a ❑ Wetland/Riparian: n/a ❑ Floodway/Floodplain: n/a ❑ Soil Type: part of the site is mapped as hydric soils. ❑ Other Jurisdictions n/a Downstream Analysis: The catch basin/line at 74th and B is already overloaded -if the site can't be infiltrated than a new storm drain line willneed to be extended from the manhole at 74th and B- 1 ❑ N/A can't allow anything other than an overflow for a curb weephole here. ❑ Flow line for starting water surface elevation: ❑ Design HGL to use for starting water surface elevation: ❑ Manhole/Junction to take analysis to: Return to Clayton McEachern @ City of Springfield, email: cmceachern@springfield-orgov, FAX: (541) 736.1021 COMPLETE STUDY ITEMS rel Offaal use ooly * Based upon the information provided on the front ofthis sheet, the following represents a minimum of what is needed for an application to be complete far submittal with respect to drainage, however, this list should not be used in lieu of the Springfield Development Code (SDC) or the City's Engineering Design Manual. Compliance with these requirements does not constitute site approval, Additional site specifre information may be required. Note: Upon scoping sheet submittal, ensure completed form has been signed in the space provided below: Interim Design Standards/Water Quality (EDSPM Chapter 3 Req'd N/A 0 ❑ All non -building rooftop (NBR) impervious surfaces shall be pre-treated (e.g. multi-chambered catchbasin want filtration media) for stormwater quality. Additionally, a minimum of 50% of the NRR impervious surface shall be treated by vegetated methods. ® ❑ Where required, vegetative stormwater design shall be consistent with design standards (EDSPM Section 3.02), set forth in Chapter 2 of the Eugene Stormwater Management Manual. QFor new NBR impervious area less than 15,000 square feet, a simplified design approach may be followed as specified by the Eugene Stormwater Management Manual (Sec2A.1). 0 If a stomnwater treatment swale is proposed, submit calculations/specifications for sizing velocity, flow, side slopes, bottom slope, and seed mix consistent with City of Springfield or Eugene's Stormwater Management Manual. Water Quality calculations as required in Section 3.03.1 of the EDSPM. All building rooftop mounted equipment, or other fluid containing equipment located outside of the building, shall V U Drainage study prepared by a Professional Civil Engineer licensed in the state of Oregon. 0 E] A complete drainage study, as required in EDSPM Section 4.03.1, including a hydrological study map. V1 1-1 Calculations showing system capacity for a 2 -year storm event and overflow effects of a 25 -year storm event. E] The time of concentration (Te) shall be determined using a l0 minute start time for developed basins. Review of Downstream System EDSPM Section 4.03A.0 E] A downstream drainage analysis as described in EDSPM Section 4.03A.C. On-site drainage shall be governed by the Oregon Plumbing Specialty Code (OPSC). see notes on previous page. Elevations of the HGL and flow lines for bath city and private systems where applicable. Design of Storm Systems (EDSPM Section 4.04). Flow lines, slopes, rim elevations, pipe type and sizes clearly indicated on the plan set Minimum pipe cover shall be 18 inches for reinforced pipe and 36 inches for plain concrete and plastic pipe materials, or proper engineering calculations shall be provided when less. The cover shall be sufficient to support an 80,000 lb toad without failure of the pipe structure. Manning's "n" values for pipes shall be consistent with Table 4-1 of the EDSP. All storm pipes shall be designed to Existing and proposed contours, located at one foot interval. Include spot elevations and site grades showing haw site drains. Private stormwater easements shall be clearly depicted on plans when private stormwater flows from one property to another. Drywells shall not receive runoff from any surface w/o being treated by one or more BMPs, with the exception of residential building roofs (EDSP Section 3.03.4.A). Additional provisions apply to this as required by the DEQ. Refer to the website: htto'//www.deg.state.or.us/wo/uic/uie.htrn for more information. Z ❑ Detention ponds shall be designed to limit runoff to pre -development rates for tine 2 through 25 -year storm events. *This form shall he included as an attachment, inside the front cover, of the slormwater study. *IMPORTANT. ENGINEER PLEASE READ BELOWAND SIGN.t As the engineer of record, i hereby certify the above required items are complete and included with the submitted stormwater study and plan set. Signature Date Form Version 5: June 2015