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HomeMy WebLinkAboutApplication APPLICANT 9/6/2013 • • • • ;City of Springfield SPRINGFIELD Development Services Department 225 Fifth Street Springfield, OR 97477 Site Plan Review • Application Type • (Applicant: check one) Site Plan Review Pre-Submittal: 1 Major Site Plan Modification Pre-Submittal: ❑ Site Plan Review Submittal: ❑ Major Site Plan Modification Submittal: ❑ Required Project Information (Applicant: complete this section) Applicant Name: k Of. £,Rf 19a 4te-iNp-iv Phone: fen - Sal-tI27 Company: F f;11 ,g-N put tcr1 ES1 tLc Email: RF'£cA ea-fr.-tea-97;NEr Address: 3 U 2-3 S ity Ul f w LN OA q 7(1-d S Applicant's Rep.: (ZtQ-N IR.Lcic -a-i Phone: c/f- 6$l " x"30-6- Company: £6. t A-Ssot t s / .LN c. Email: Address: Property Owner: /ad ,g f R.T- Moral Phone: Company: CS4--ni K}S /3 Ofttc9)(10 Email: Address: ASSESSOR'S MAP NO: 1 ? -03—.2_ S-23 ITAX LOT NO(S): trOZ .J- I Q ,2 Property Address: Size of Property: 0,9 Acres Square Feet ❑ Proposed Density: MD C Proposed Name of Project: �T- Description of If you are filling in this form by hand, please attach your proposal description to this application. Proposal: NA24_fitus 11--rn9GjcA Existing Use: E 4114 LRNp New Impervious Surface Coverage (Including Bldg. Gross Floor Area): sf Si. natures: Please si•n and •rint our name and date in the a••ro•riate box on the next •a•e. Required Project Information (City:Intake Staffs complete this section`) Associated Applications: Signs: Pre-Sub Case No.: ere /3 - (552)06 Date: 9/6 /ZcnS Reviewed by: Case No.: 2 Date: Reviewed by: Application Fee: $ 91-10 3` o ) Technical Fee: $ Postage Fee: $— TOTAL FEES: $ PRE-SUBMITfA.1 6 CT NUMBER: PRJ (3 b0°° Revised 5/21/13 KL SEP 6 2013 i of 12 • • • 4..1. Revised 2/17/11 • • 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. Pre-Submittal 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 that I/we are legally responsible for all statutory timelines, information, requests and requirements conveyed to my representative. Owner: zilaen,.,_ Date: 9 — 7— L 3 Signature KO Print Submittal 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. Owner: Date: Signature - Print • • PRE-SUBMITTAL REC'D SEP 6 2013 Revised 5/21/13 KL 3 of 12 • • Site Plan Review Application Process 1. Applicant Submits a Site Plan Review Application for Pre-Submittal • The application must conform to the Site Plan Review Submittal Requirements Checklist on pages 4-7 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 180 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 Site Plan Review Submittal Requirements Checklist on pages 4-7 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 5/21/13 KL 4,of 12 rF, — �)=.,,,.00..we ..,,en.A..w„•,.W.y._ • .I 1 4, I I 1 0 S gP -I 1,1 S 't,, L 6 I l m T` it F % I— a w% e _ = e I' �4 I - r T: ; ; 7 I 41 s ? m L n'' 29 SOLAR �� �'� rwe— :--�__—,I - ..i I I I. r SETBACK 1 _ L 1 v i `0 8n- ,. I-r EXIST rrue i. - — E ; 6 g.,. i T m.r .ur I ii ma 1I'4 7* @ a a 6 ' 1 4 d4 V - M Aq' 'P' - ' g` pl' i -4 y -.I I -1VJIdAl I 4e> d ".I @ ILA yyi-- °.° --e-�-- — nv _.ri e �.� I sP i a } _ gip . — -- o F DTI n rn iw co ex, I 4 T C_ 1 .Y-1 .1 41 -0 v 121. .. lie Z o 1 aram F :. gA y 1 a H ii Ci $fig€d� x-03. o - g moony P 1 ;* $ p `e 3N�1 1 PhB; Pj1Ji!i;Ht rs: m 1 w o ho 2 osr ,02629: 1"_ Ogg 6 R to g WO; N " ... EwsvN,.e Ni.n.�n..[0SSrer 2 SU uvfv v.4�w: ^ • 1 = • — N 1 �1En 1 rl°• z ?r 1 i _� ; v I E _ 1 . i a■ 1• qr o 4I J iv $ 1 f: i .L1 II F it I 3 g 1 x r 4 z r r m £ x' ' 1`0� l * ?I *nDU Y _ r �.] Iy0 +r „bk._ r I�E� 3S SOwF 46 �1. O I._ —_ a SMACK tIpa • aE V E—EXIST.TNE a - —� \..) CC 1 _I� 1 T a Itt' Y ! 4 AIIGI— a 2 '°' Lm, "" s ' 9i '�■ .a i 1 --sl_. 4 4 4 S r 124_1q x M" § e f E Al 10.0' E0.0' — 1)0' I 0. I ' t.., 1 evws.n L• i 1 1.1 I 1 9 114 4 I r 9 o E 1 i-= °._ 1 1 1 a-1 'br I I ''. ii–i Ioi ''' J . I '_as.c—J I 'bb II ! 1 :I 1 i 1 eI .. q mAav - ' d. I I k 1 @ P I 1 3 ' 1 I° i E® C 9 l u • 1 p A �~ ^ p� g9§o _6;o>8,- _cRo8 m b Km 8o _m 1 R20 U a "I"'" 2 1N gla a�, 8a�;p;Wig 2233O 2r6 9 Ea T >o. <„ is a -F {{ ; .im I 1=.. 8 \'\ A �o 0 PM' R O s �o ° Bch^ . 8 W 0 o "$ 'n o€ K c f E'7 0 n a sa Freeman, Robert Subject: Narrative/ Description of the Proposal Purpose of the Development: Is to build very nice Duplexes, on these two vacant lots, for raising families and maximizing the MDR space. I designed this Site Plan to model what Greg Larkin, of Valley River Builders, did on South 42nd Street. We have talked many times, and I bought the plans from him, so the Duplexes will be the same. The lots are a different shape but the square footage is the same. It is much easier to know what the final result will look like when the whole project is done, and not reinvent the wheel. My approach is to have 6 duplexes on individual lots so I can finance them conventionally, and the two on the North side of both lots would need to be out of my own pocket or financed a different way. I plan on building these duplexes in a phased approach as they are numbered on the Site Plan layout. Build the first duplex on the South side of the West lot, and refinance it to build the next duplex on the South side of the East lot, as phase 2. Before building the third duplex, I will partition the West lot into 3 lots(see the future division lines on the Site Plan), and continue on with the phase 3 duplex. At phase four, I may do the remaining duplexes on the West lot. Then partition the East lot into 3 lots and finish building the rest of the duplexes, one to two at a time, and refinancing them. The timing of the phases depends on the economy and the rental market. Other comments: I don't know of any State or Federal permits that are required. For the On-Site Lighting Plan, there will be a front porch light, a back door light, and two garage lights per unit, with 40- 75watt bulbs and 6'-8' above grade; no additional exterior lights or light poles. I don't think any of the additional materials apply for this Site Plan Review. 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Premium Quality Homes - - ` .�> , Greg Larkin ---`. - President RiverValleyBuilders.com .PRE-SUBMITTAL RECD Phone: (541) 726-0330 • - CC6 A 134566 Fax: (541) 367-1638 SEP 6 2013 Homesbyrvb @comcas[.net Mobile : (541) 760-7881 1 • Drainage Study For Proposed Development on Assessors Parcels 17-03-25-23-01800 and 1902 R Street Springfield, Oregon August 2013 \S�39 G PROFSf�i 6 I Its ■ n GO C49,44/Y30,45Q� ON 1. 8€ RENEWS: 01/01/14 Prepared for: Robert Freeman 3023 Skyview Lane Eugene,Oregon 97405 Prepared by: EGR& Associates, Inc. 25356 Prairie Road Eugene, Oregon 97402 (541)688-8322 PRE-SUBMITTAL REC'D SEP 6 2013 • • PUBLIC WORKS DEPARTMENT/Engineering Division Phone:(541)726.3753 Fax:(541)736-1021 STORMWATER MANAGEMENT SYSTEM SCOPE OF WORK ----------------------(Area below this line filled out by Applicant)------- --------- (Please return to Matt Stouder()City of Springfield Public Works Engineering;Fax#736-1021;Phone#736-1035), email:mstouder(ti�cLspringfreld or.us Project Name: R Street Duplexes Applicant: Robert Freeman co Clint Beecroft Assessors Parcel 17-03-25-23-01800 and 01902 Date: July 29, 2013 LandUse(s): MD - currently vacant Phone#: 1541-688-8322 I Project Size(Acres): 0.84 acre Fax#: 541-688-8087 Approx.Impervious Area: 0. 53 acre Email: clintbeecroftoegrassoc.com Project Description(Include a copy of Assessor's map): Development of 14 residential units (6 duplexes and 2 singles) with associated access and parking, including a half-street improvement of R Street adjacent to the site. Drainage Proposal(Public connection(s),discharge location(s),etc. Attach additional sheet(s)if necessary: Collect and route runoff from impervious surfaces through private on-site pretreatment and flow control facilities. Runoff from new street surface and final destination of on-site runoff will be directed into nearby existing catch basins 402 and 403 in R Street. Proposed Stormwater Best Management Practices: Combination of infiltration stormwater planters, vegetated/grassy swales, and impervious area reduction techniques as applicable. Roof runoff may bypass pretreatment facilities as applicable. -- (Area below this line filled out by the Oty and Returned to the Applicant) --- (At a minimum,all boxes checked by the City on the front and back of this sheet shall be submitted for an application to be complete for submittal,although other requireiients may be necessary) 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: _ r32 y r ❑ Hillside Development: n Wetland/Riparian: / ❑ Floodway/Floodplain: ❑ Soil Type: 5.2. - Co buy, ()rim) Cora n Other Jurisdictions Downstream Analysis: ❑C N/A • ❑ Flow line for starting water surface elevation: ❑ Design HGL to use for starting water surface elevation: ❑ Manhole/Junction to take analysis to: Return to Matt Stouder @ City of Springfield, email:pstoudet actsndncifield.oruh( XJ CQp [. i® SEP 6 2013 • COMPLETE STUDY ITEMS For Official Use Only. *Based upon the information provided on the front of this sheet, the following represents a minimum ofwhat is needed for an application to be complete for 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 specific 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 I . ® I I All non-building rooftop(NBR)impervious surfaces shall be pre-treated(e.g.multi-chambered catchbasin w/oil filtration media)for stormwater quality. Additionally,a minimum of 50%of the NBR impervious surface shall be treated by vegetated methods. M ❑ Where required,vegetative stormwater design shall be consistent with interim design standards(EDSPM Section 3.02),set forth by the Bureau of Environmental Services(BES)or Clean Water Services(CWS). Vi ❑For new NBR impervious area less than 15;000 square feet,a simplified design approach may be followed as specified by the BES for vegetative treatment. M ❑If a stormwater treatment swale is proposed,submit calculations/specifications for sizing,velocity,flow,side slopes,bottom t�slope,and seed mix consistent with either BES or CWS requirements. ® ' I Water Quality calculations as required in Section 3.03.1 of the EDSPM M ❑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. General Study Requirements(EDSPM Section 4.03) r y ❑Drainage study prepared by a Professional Civil Engineer licensed in the state of Oregon. n A complete drainage study,as required in EDSPM Section 4.03.1,including a hydrological study map. ❑Calculations showing system capacity for a 2-year storm event and overflow effects of a 25-year storm event. ❑The time of Concentration(Tc)shall be determined using a 10 minute start time for developed basins. Review of Downstream System(EDSPM Section 4.03.4.C) ❑ ®A downstream drainage analysis as described in EDSPM Section 4.03.4.C. On-site drainage shall be'governed by the Oregon Plumbing Specialty Code(OPSC). ❑ M Elevations of the HGL and flow lines for both 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. IIn 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 he sufficient to support an 80,000 lb load without failure of the pipe structure. 17 ❑Manning's"n"values for pipes shall be consistent with Table 4-1 of the EDSP. All storm pipes shall be designed to achieve a minimum velocity of three(3)feet per second at 0.5 pipe full based on Table 4-1 as well. OtherMisc V1 ❑Existing and proposed contours,located at one foot interval. Include spot elevations and site grades showing how site drains M ❑Private stormwater easements shall be clearly depicted on plans when private stormwater flows from one property to �Iq�'t another 171 n 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: www.deq.state.or.us/wq/groundwa/uichome.hem for more information. 0 ElDetention ponds shall be designed to limit runoff to pm-development rates for the 2 through 25-year storm events *This form shall be included as an attachment,inside the front cover,of the stormwater study D[ I *IMPORTANT:ENGINEER'PLEASE READ BELOW AND SIGN! PI\LOCI I MIT eccit oord,I hereby cerb fy the above required items are • R V�J dn�(neldded with the submitted stormwater study and plan set Signet uro Date 5 SE 6 2013 Form Version 2: March2004 • NARRATIVE Project Description The project consists of constructing attached single-family units (duplexes) on Assessor's parcel 17-03-25-23-01800 and parcel 17-03-25-23-01902. The area of both parcels is 0.89 acre. The site is located in the Springfield city limits, is zoned medium density residential and is currently vacant. The current proposal is for seven duplex units and one single-family unit for a total I5- unit development that will create approximately 0.58 acre of new impervious surfaces. Impervious surfaces will consist of approximately 13,697 square feet of building rooftop and 11,794 square feet of non-building rooftop (drives). A reduced copy of the site plan is included herein as Attachment 1. Stormwater Management System Scope of Work A Stormwater Management System Scope of Work (scoping sheet) was downloaded from the city's web site, completed, and submitted to the Springfield Public 'Works Department (copy included inside the front cover of this report). The following is a brief discussion of the scoping sheet requirements as returned from the city. A mid-level development study is required and a downstream analysis is not required. Interim Design Standards I. All non building rooftop (NBR) impervious surfaces shall be pre-treated for stormwater quality and a minimum of 50 percent of the NBR impervious surface shall be treated by vegetated methods. Stormwater runoff from impervious surfaces on this site will be managed with the use of infiltration stormwater planters as detailed in Eugene's Stormwater Management Manual. A copy of applicable stormwater planter details is included herein as Attachment 2. The scoping sheet notes that the site is within a 2-year wellhead zone, thus the depth of planting medium in the planters will be 24-inches. All NBR impervious surfaces will be routed into on-site stormwater planters. 2. Vegetative stormwater design shall be consistent with interim design standards set forth by the Bureau of Environmental Services (BES) or Clean Water Services (CWS). Springfield design standards (Section 3.01) adopted December 3, 2012 require that applicable portions of Eugene's Stormwater Management Manual be followed with respect to stormwater quality design standards. Water quality BMP's for this site have been selected and sized based on the Eugene manual. 3. For new NBR impervious area less than 15,000 square feet, a .simplified design approach may be followed as specified by the BES for vegetative treatment. The NBR impervious area for this site is approximately 11,794 square feet, thus a simplified approach was followed as specified in the Eugene manual. Pagel PRE-SUBMITTALREC'D. SEP 6 2013 4. If a stormwater treatment swale is proposed, submit calculations/specifications for sizing, velocity,flow, side slopes, bottom slope, and seed mix consistent with either BES or CWS requirements. A treatment swale is not proposed for this site. 5. Water quality calculations as required in Section 3.03.1 of the EDSPM. The Eugene manual was followed for stormwater quality design per section 3.01 of the current adopted Springfield design standards. 6. All building rooftop mounted equipment, or other fluid containing equipment located outside of the building, shall be provided with secondary containment or weather resistant enclosures. This requirement is not applicable due to the proposed nature of development for this site. General Study Requirements I. Drainage study prepared by a Professional Civil Engineer licensed in the State of Oregon. This drainage study was prepared by a Professional Civil Engineer with current standing in the State of Oregon. 2. A complete drainage study including a hydrological study map. A drainage map for the site is included herein as Attachment 3. 3. Calculations showing system capacity for a 2-year storm event and overflow effects of a 25-year storm event. Runoff from on-site NBR impervious surfaces and portions of the roof runoff will be routed into on-site infiltration stormwater planters. The final destination from these planters is infiltration. The remaining portions of roof runoff will be routed into an existing piped stormwater system located in R Street in a manner that mimics pre-development peak runoff from the site to the extent practicable. Overflow pipes from the planters have been provided in accordance with the stormwater planter detail (Attachment 2) and the pipe capacity has been checked for a 25-year recurrence interval. 4. The time of concentration (Tc) shall be determined using a 10 minute start time for developed basins. A minimum 10 minute start time was used to develop runoff hydrographs for the various drainage sub-basins. Design of Storm Systems I. Flow lines, slopes, rim elevations, pipe type and sizes clearly indicated on the plan set. Applicable information is shown on the Proposed Grading, Paving and Utilities Plan. A reduced copy of this plan is included herein as Attachment 4. 2. 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. A minimum 18 inches of cover is provided within common drive areas.No greater cover can be achieved due to the shallow depth of the existing piped stormwater system in R Street. Page 2 PRE-SUBMITTAL REC'D SEP 6 2013 3. Manning's "n" values for pipes shall be consistent with Table 4-1 of the EDSP. All storm pipes shall be designed to achieve a minimum velocity of three feet per second at 0.5 pipe full based on Table 4-1 as well. On-site pipes consist of roof drains and overflow pipes for planters. Roof drains will be provided consistent with Building Department requirements. Overflow pipes have been checked for capacity based on a Manning's"n" value of 0.013. Calculations are included in Attachment 5. Other/Misc. 1. Existing and proposed contours, located at one foot interval. Include spot elevations and site grades showing how site drains. Applicable information is shown on the Proposed Grading, Paving and Utilities Plan (Attachment 4). 2. Private stormwater easements shall be clearly depicted on plans when private stormwater flows from one property to another. This requirement is not applicable for this site. 3. Drywells shall not receive runoff from any surface w/o being treated by one or more BMP's, with the exception of residential building roofs. Drywells are not proposed for this site. 4. Detention ponds shall be designed to limit runoff to pre-development rates for the 2 through 25 year storm events. Detention ponds are not proposed for this site. Site Variables The on-site soil is listed by the NRCS Web Soil Survey as Coburg urban land complex. The soil survey lists the soil texture as silty clay loam from 0- to 18-inches in depth (unified soil classification CL), silty clay/silty clay loam from 18- to 53-inches in depth (unified soil classification CL), and fine sandy loam/loam/clay loam from 53- to 65-inches in depth (unified soil classification ML/SM). Coburg soil is a hydrologic soil group C. Three test holes were hand dug for the purpose of testing infiltration rates of the underlying soil, herein referred to as Test Holes West, South and East. Test Hole West was located adjacent to the westerly site boundary, Test Hole South was located adjacent to the southerly site boundary, and Test Hole East was located adjacent to the easterly site boundary. The soil texture of the soil removed from infiltration test holes is consistent with the soil survey. A hand auger was utilized to auger to a greater depth than the hand-dug test holes to determine underlying soil texture and depth to seasonal high groundwater. The soil texture of the soil removed from infiltration test holes is consistent with the soil survey. A bar run layer was encountered at depths greater than four feet at the Test Hole West and South locations and hand augering to a greater depth was not practicable due to large rock. A sandy loam layer was encountered at a depth of 58 to 72 inches (bottom of hole) at the Test Hole East location. No evidence of seasonal high groundwater was present to depths of the hand augered holes. Page 3 PRE-SUBMITTAL REC'D SEP 6 2013 • • Infiltration Testing An infiltration test was performed at each test hole location following the procedures of Section 2.4 of Eugene's Stormwater Management Manual, 2008 (Eugene Manual) for falling head infiltration test. This test procedure is generally consistent with the EPA falling head percolation test procedure that is outlined in EPA Design Manual — Onsite Wastewater Treatment and Disposal Systems, EPA, 1980. Test Hole West was excavated to a depth of approximately four feet. The bottom of the test hole was in the silty clay loam soil. The bar run layer at this location was encountered approximately five inches below the bottom of the test hole, thus the bar run was not included in the infiltration test at this location. The measured infiltration rate of the silty clay loam averaged 0.4 inches per hour. Test Hole South was excavated to a depth of approximately four feet. The bottom of the test hole was in the bar run layer. The lowest measured infiltration rate of the bar run was 24 inches per hour. Test Hole East was excavated to a depth of approximately 4.4 feet. The bottom of the test hole was in the sandy loam soil. The lowest measured infiltration rate of the sandy loam soil was 37 inches per hour. The proposed infiltration planter facilities provide for pre-treatment and final destination of non- building roof and roof runoff. In accordance with the Eugene Manual design parameters for infiltration systems that incorporate pre-treatment (i.e. stormwater planters), the design infiltration rate of the planting medium shall be 2.5-inches per hour. In order for infiltration to be effective the infiltration rate of the underlying soil should be at least 2.5 inches per hour. This will require that within the areas of the proposed stormwater planters the on-site soil will be excavated down to the more permeable bar run or sandy loam soil and replaced with a minimum 24-inches of select planting medium meeting the requirements of the Eugene Manual. Infiltration Stormwater Planter Sizing Stormwater planters are located at eight locations that provide for minimum setbacks to buildings and the site boundary while being adjacent to proposed drives and roofs. Locations are shown on the attached Drainage Map (Attachment 3) and utility plan (Attachment 4). Roof drains will discharge into the planter and surface runoff from adjacent drives will enter at curb openings. Drive and roof areas tributary to each planter was balanced to achieve the minimum design ratio, or sizing factor of 0.07 for infiltration stormwater planters, following the simplified approach for stormwater quality design. The curb opening location of the planters as shown on the utility plan (Attachment 4) are strategically located to create the required tributary runoff area from the drives so that the sizing ratio of each planter meets the minimum requirement. The Page 4 PRE-SUBMITTAL REC'D SEP 6 2013 E.. • • following table summarizes the available treatment area of each planter and the associated impervious surface area under management. BMP I.D. Treatment Area Management Area Ratio ISP-1 147 s.f. 2,048 s.f. 0.072 ISP-2 186 s.f. 2,656 s.f. 0.070 ISP-3 186 s.f. 2,342 s.f. 0.079 ISP-4 149 s.f. 1,698 s.f. 0.088 ISP-5 118 s.f. 1,678 s.f. 0.070 ISP-6 186 s.f 2,265 s.f. 0.082 ISP-7 186 s.f 2,265 s.f 0.082 ISP-8 126 s.f 1,543 s.f. 0.082 A high-flow overflow pipe will interconnect the planters and discharge to existing catch basins in R Street. The capacity of the proposed overflow pipes have been checked for a peak 25-year recurrence interval discharge. Calculations are included in Attachment 5. Undetained Discharges There is insufficient infiltration stormwater planter surface area to accommodate all impervious surface runoff from the site. A portion of the roof runoff will discharge directly into the overflow pipe and then to R Street. Roof runoff does not require pre-treatment prior to discharge. Runoff from pervious open (grassed) areas will sheet flow southerly toward R Street. Patios located on the back-side of the units will surface flow onto adjacent grass areas. Runoff hydrographs were developed for the various sub-basins to calculate peak runoff for standard recurrence intervals of 2-year, 5-year, 10-year, and 25-year returns to insure that post-development peak discharges from these undetained portions of the site mimic pre-development peak runoff from the site. Hydrographs were developed using the Hydraflow Hydrographs Extension for AutoCAD following the TR55 SCS hydrograph methodology. Printouts of the various hydrographs are included in Attachment 5. The following table summarizes the calculated pre- and post- development peak runoff. Recurrence Interval Pre-Development Peak Post-Development Peak Runoff Runoff 2-year 0.16 cfs 0.19 cfs 5-year 0.24 cfs 0.24 cfs 10-year 0.31 cfs 0.29 cfs 25-year 0.40 cfs 0.34 cfs PRE-SUBMITTAL REC'D Pages SEP 6 2013 • • Attachment 1 Reduced Site Plan PRE-SUBMITTAL REC'D SEP 6 2013 U W to fY o J tV CI- VIU Oa. . W _ `''mow', 0 LL N co .. NN z oo 3 z �yl 1'E U N2 /f1 Nf2 J OJJ `Q� Nn d U'.Yy UQ NF a a m �� '. �Y � U' ^ZI�NeQ.n LLOW "NNd_ u p.0 rv, N �o o �_ N Z wooer ¢4 ¢a \ F L Y>> U o a W W -3 QZ 0 u Z OZa1CUNEttia., KY �ba�JZ —`� WN N O U Wu,gF.Dd? �:. FN L u u-rwa ZQ+rv� ��,�'..t�i1pJ Y�'UOWS � •� -ag � � � � CL, "'..� 0 ` � tl ooD 2 N-LL7aU mU' NF 3 - Nzz oa omQEzt,a w<ow2-�WU to N z p. .JcamWreyt_6W�. ~<zyHF taW ''�' L! $ "< Qi3w.e2aza Na_o UNdZU1' `�. °a U) aw aS9°wo<lo w.'w' wmo W w W °acsi n4_ice s aOOwui O``wwnz . . -' . . . 1:4 t o.�QQQmwm.oaOdOZO H Sao ' O LL°W'U' v0 OZJZm' N Q . . 1 . I 1 6 I, . I I moa.os p I °I II II I L I III ` li 18 L N .yam. I w� E I . -14 — dr I a I . -.:. _ SETBACKI — -- } - - — _ — y ' I erefr TYPICAL,e c - I:'I s' ti = z LL & o 9 11 1 1 ,t, a 2 '0 d .0 0- . I,o u I I 8 „ II I LLo e I1 au o•u� .. Boz d — } _ —I — — 3necislx3—{ , ic Il ID.i i1 r __� _ ena.� I I y I a p4� NOtlB135 I I I .i I , I (:, '. g�g .- I `' *noes.oz az+' TYPI AI.:: .I mu . • LL V A II I _ I C 0� . '4. _1> I I E . x& F i o I .I 0 ... 8 16 II I.•I I, Wd 211SgalIGAV1&64)12WS MweId IISZ Kel\,9WSae000ILWEueud eLtcol+MW:s 0d 090 avuwud wIZZ 3'. � t-EtoL'Sods- qpp tqd`- • • Attachment 2 Stormwater Planter Details From Eugene's Stormwater Management Manual PRE-SUBMITTAL RECD SEP 6 2013 • • • Stormwater Planters Infiltration Stormwater Planter (Formerly Named Infiltration Planter) Overflow set 3"below 9'"minimum top of planter wall 12"maximum Plantings Gravel splash pad ) gth Downspout or other conveyance . . hi ip r system 11 .▪v.::: ✓v.:::: r{{i: : I ilimmiusidmi 314"open graded i' f•r•;•}•} Structural r•r.r•J{! planter walls drain rock,or other :f~f f,f.r approved material, `{ w x .•• H3a•a . - rr. min.12"thickness 'aa0 a'�as .!~,�- {} aaaa agar r•r•r•r- . r:r.::r v ad'X').14.► -• r ` - a.i a ti- }'ti..'K•+' Ik•,,.1-.. a a,���.� r-� •- a= �a 'r•r•r.r•r 18"Growing medium J•nr•: it a a 3 o r ~•�•`. ++ r .h J • r ::::45,:.-5.L.:."--.;:.-3•":"... -1:;".:::.•%, f~r tir.r .7:::•,..:::::: _I.-:.:•: •:.-'.'•.' . '{: •{. l 1•r••!••K.~Y~ JK• A•-+ J~."~f~} •i4,:r.ti i.r AI•J• r • - .%"&r:r .W.e.:• •4. :•-t•-M.._ } • f t+ ~ . itio~ o rn n �{{, {•.4.0.stf-t {s,A:YY{{{{d:.mi{{{!cols {f{!d{{!+! Filter fabric r fn ti tin ..!{:r J{I{{J N{r.Jyr•r.!•J.r.r•r•:•fi tAS:1{!r.t.t rti: ti imA{i! o Overflows t {•J•~J~r -.J~J~~•r4r•r~▪r~~ Existing SOLI hrn !:4:45r Kr~r {r~{ 1 ~-r aggregate interlaye r to approved �~rtiJ r~{F~.tlfi~w1! .ti•-.....t.rti•s•..•+-tin ! {{{ni! ti.�y .~K• prevent soil migration destination point .:n•tir� •r:~ ti}.: {rtiti F•,Z4r{{!{wirnf{!!~r!ir:r{.J:ni."~r }n.{{ n•' (per Section f4), + .}y.r.r.r}:.}}▪t}}:.}�r}r{t�rr�'Zr{r{r{`{{3{r•}{ti} ;.1}; ?,1{ r{! !i ~ . ! L{{f unless"infiltration destination"sizing 741 is used 30"minimum width Planter width x length=square footage from Form SIM Not to Scale Filtration Stormwater Planter (Formerly Named Flow-Through Planter) 9"minimum, 12"maximum Overflow set 3" pond ing depth Downspout or below top of other conveyance planter wall • system Plantings Gravel splash pad 1 18"growing medium 1 I Filter fabric or fine aggregate I rib, 1 1 interlayer to prevent soil yrKµ~ ��i , migration 3/4"open +^., ---7-__ •••.•,•: sail graded : t!i ' - . :., r drain rock,tom•. Structural walls w/ or other «rte waterproof membrane approved ;535{ f r„ : Perforated under drain Pit.; system wrapped in thickne :r•r � ' ' ' � � '' ' ' geotextile sack thickness +_!! _..,.+.,.�..�� r...,.,« ~{�{:.. .~:~.~KK ~:~•{- -w.�1.s. --atiz�Z~1~•M~•~.ti.~:~•~•\ �r:r:r•r:r:r•r:J•r: 1r1.`.` e•e-r-e....r.{r•r." Waterproof y. Existing Soil f r'�~r{f:fYJ.r �= 1 building as ~K~.4~~•~.~KKK•~.~K ~.~.~.~.~.~•L -1•.:11 r. ... •r. • • • • .r.r.r....J•r•.�r'•r•r•r. needed %r' NIy r J J•r•r•rY•rY•rYK•r•J•r• :}:te`�t}t?erch}rt:~},}i�x`?e!t�'rt:?r ?'rh�i�t�e.r Pipe to approved 18"minimum planter width destination point(see Planter width x length=square footage from Form SIM Section 14), Not to Scale bottom or side-out options Stormwater Management Manual PRE-SUBMITTAL RECD Page 2-55 Eugene 2008 SE p g 2013 • Stormwater Planters Stormwater Management Goals Achieved Acceptable Sizing Methodologies Pollution Reduction SIM', PRES Flow Control SIM Destination PRES2 This facility is not classified as an Underground Injection Control structure (UIC). SIM=Simplified Approach, PRES= Presumptive Approach, PERF=Performance Approach Notes:Stormwater planters may be designed to manage runoff from rooftops, and, if submerged into the ground, parking lots and streets in many cases. 1) Projects greater than 15,000 square-feet of impervious surface area to manage must use the Presumptive Approach to size the Stormwater Planter for pollution reduction. 2) Residential applications with NRCS soil types A or B may size infiltration facilities for destination using the SIM sizing factor for Pollution Reduction with Flow Control. f Description:Stormwater planters are structural landscaped reservoirs used to collect, filter, and/or infiltrate stormwater runoff, allowing pollutants to settle and filter out as the water percolates through the planter soil before infiltrating into the ground below or piped to its downstream destination. In addition to providing pollution reduction, flow rates and volumes can also be managed with stormwater planters. Stormwater planters can be used to help fulfill a site's required landscaping area requirement and should be integrated into the overall site design. Numerous design variations of shape, wall treatment, and planting scheme can be used to fit the character of a site. Stormwater planters may provide either "infiltration treatment" or "filtration treatment". An overflow to an approved destination per Section 1.4 will be required, unless the facility is an Infiltration Storrnwater Planter sized per Surface Infiltration Facility guidelines presented in this chapter. Infiltration Stormwater Planters: Design Considerations: The infiltration rate of the native soil is a key element in determining size and viability. Infiltration Stormwater Planters shall not be used on sites with infiltration rates less than 0.5 in/hr. PRE-SUBMITTAL REC'D Stormwater Management Manual SEP 6 2013 Page 2-56 Eugene 2008 0 U W re) C! O J N CD 1 cc_ ; C a' a❑_oOn�OfV pNp mNm O Cr, 0,• Q 0 0 0 0 0 0 0 . - Z .' 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No. 1 Pre-Development Entire Site Hydrograph type = SCS Runoff Peak discharge = 0.164 cfs Storm frequency = 2 yrs Time to peak = 8.20 hrs Time interval = 1 min Hyd. volume = 3,540 cult Drainage area = 0.890 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Pre-Development Entire Site (cfs) Hyd. No. 1 --2 Year C (cfs) 0.50 -- 0.50 0.45 --- - — 0.45 — r-- -- 0.40 0.40 0.35 — - - - 0.35 0.30 0.30 0.25 - - —- - 0.25 0.20 - 0.20 0.15 --- — 1 - -- - 0.15 0.10 0.10 0.05 - 0.05 0.00 I ____ 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 PRE-SUBMITTAL RECD Time(hrs) RECD SEP 6 2013 • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D4)2013 by Autodesk,Inc.v10 Thursday,09!5/2013 Hyd. No. 1 Pre-Development Entire Site Hydrograph type = SCS Runoff Peak discharge = 0.236 cfs Storm frequency = 5 yrs Time to peak = 8.18 hrs Time interval = 1 min Hyd. volume = 4,654 cult Drainage area = 0.890 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Pre-Development Entire Site Q (cfs) Hyd. No 1 -- 5 Year Q (cfs) 0,50 - --- 0.50 0.45 — -- -- - -•- - - _ ----- - -- 0.45 0.40 _ - --- - - - -- - - 0.40 – 0.35 0.35 0.30 0.30 0.25 0.25 0.20 - 0.20 0.15 --- 0.15 0.10 --`-- � � 0.10 • — 0.05 --- —- ---- - . 0.05 0.00 — 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 PRE-SUBMITTAL REC'D Time(hrs) SEP 6 2013 0 Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil MO 2013 by Autodesk,Inc.v10 Thursday,09/5/2013 Hyd. No. 1 Pre-Development Entire Site Hydrograph type = SCS Runoff Peak discharge = 0.314 cfs Storm frequency = 10 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 5,836 cuft Drainage area = 0.890 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 4.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Pre-Development Entire Site Q (cfs) Hyd. No. 1 -- 10 Year Q (cfs) 0.50 0.50 0.45 0.45 0.40 r — 0.40 0.35 0.35 —.-- 0.30 - 0.30 0.25 ,- - --- - — --- - - 0.25 :0.20 - - 0.20 0.15 0.15 0.10 0.10 0.05 --- --- _.------ - - 0.05 0.00 0.00 0 2 4 6 8 10 12 14 18 18 20 22 24 26 Time(hrs) Hyd No. 1 PRE-SUBMITTAL REC'D SEP 6 2013 0 i . . Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09 1 5 1 2013 Hyd. No. 1 Pre-Development Entire Site Hydrograph type = SCS Runoff Peak discharge = 0.397 cfs Storm frequency = 25 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 7,074 cuft Drainage area = 0.890 ac Curve number = 74 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 4.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Pre-Development Entire Site Q (cfs) Hyd. No 1 —25 Year 0 (cfs) 0.50 - i 0.50 L - - 0.45 , 0.45 - - ---t- 0.40 — - 0.40 0.35 0.35 0.30 _ — - - 0.30 0.25 - 0.25 0.20 0.20 0.15 0.15 - - 0.10 0.10 0.05 -- _-- - - -- 0.05 0.00 - - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time(hrs) Hyd No. 1 PRE-SUBMITTAL REC'D SEP 6 2013 • • • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09/512013 Hyd. No. 1 Sub-Basin Al Hydrograph type = SCS Runoff Peak discharge = 0.035 cfs Storm frequency = 2 yrs Time to peak = 8.18 hrs Time interval = 1 min Hyd. volume = 705 cuft Drainage area = 0.160 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 'Composite(Area/CN)=((0.145 x 74)+(0.015 x 98)]/0.160 Sub-Basin Al Q (cfs) Hyd. No. 1 --2 Year Q (cfs) 0.10 - - . 0.10 0.09 0.09 _ 0.08 — 0.08 - - -- — 0.07 -. 0.07 0.06 I ' 0.06 0.05 0.05 0.04 _ T 0.04 0.03 0.03 0.02 0.02 0.01 – 0.01 o.ao - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time(hrs) Hyd No. 1 PRE-SUBMITTAL RECD SEP 6 2013 • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09/5/2013 Hyd. No. 1 Sub-Basin Al Hydrograph type = SCS Runoff Peak discharge = 0.049 cfs Storm frequency = 5 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 915 cuft Drainage area = 0.160 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 •Composite(Area/CN)=[(0.145 x 74)+(0.015 x 98)[/0.160 Sub-Basin Al o (cfs) Hyd. No. 1 --5 Year Q(cfs) 0.10 - 0.10 0.09 __---._. 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02 0-02 0,01 _ — - 0.01 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 Time(hrs) PRE-SUBMITTAL REC'D SEP 6 2013 0 • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 30®2013 by Autodesk,Inc.v10 Thursday,09/5 1 2013 Hyd. No. 1 Sub-Basin Al Hydrograph type = SCS Runoff Peak discharge = 0.064 cfs Storm frequency = 10 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 1,137 cuft Drainage area = 0.160 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 4.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 'Composite(Area/CN)=[(0.145 x 74);(0.015 x 98)J 10.160 Sub-Basin Al Q (cfs) Hyd. No. 1 -10 Year Q (cfs) 0.10 0.10 0.09 0.09 0.08 0.08 0.07 — 0.07 0.06 • . 0.06 0.05 ___ 0.05 0.04 - I 0.04 0.03 J 0.03 0.02 -- — -- 0.02 0.01 0.01 0.00 - — - - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd Na_ 1 PRE-SUBMITTAL RECD Time(hrs) SEP 6 2013 • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09 1 5 1 2013 Hyd. No. 1 Sub-Basin Al Hydrograph type = SCS Runoff Peak discharge = 0.079 cfs Storm frequency = 25 yrs Time to peak = 8.15 hrs Time interval = 1 min Hyd. volume = 1,367 cuft Drainage area = 0.160 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 4.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 'Composite(Area/CN)=1(0.145 x 74)+(0.015 x 98))/0.160 Sub-Basin Al Q (cfs) Hyd. No. 1 --25 Year Q (cfs) 0.10 - - - 0.10 0.09 0.09 0.08 0.08 0.07 - 0.07 0.06 0.06 0.05 0.05 0.04 - -- 0.04 0.03 .-------- - 0.03 -4 - 0.02 0.02 0.01 0.01 0.00 - --- - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 1 Time(hrs) PRE-SUBMITTAL REC l D SEP 6 2013 r • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09/5 1 2013 Hyd. No. 2 Sub-Basin A7 Hydrograph type = SCS Runoff Peak discharge = 0.034 cfs Storm frequency = 2 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 487 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 3.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A7 0 (cfs) Hyd. No. 2 --2 Year Q (cfs) 0.10 0.10 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02 0.02 0.01 0.01 0.00 - ___ _ - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time(hrs) Hyd No. 2 PRE-SUBMITTAL. RECD SEP 6 2013 M Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09 1 5/2013 Hyd. No. 2 Sub-Basin A7 Hydrograph type = SCS Runoff Peak discharge = 0.039 cfs Storm frequency = 5 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 566 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 3.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A7 Q (cfs) Q (cfs) Hyd. No 2 -- 5 Year 0.10 - - - 0.10 0.09 - - — - — 0.09 0.08 - — 0.08 - 0.07 • - 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02 — - . 0.02 0.01 — - 0.01 0.00 - — _ 0-00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 2 PRE-SUBMITTAL REC'Q Time(hrs) SEP 6 2013 0 0 Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09 1 5 1 2013 Hyd. No. 2 Sub-Basin A7 Hydrograph type = SCS Runoff Peak discharge = 0.045 cfs Storm frequency = 10 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 646 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft To method = TR55 Time of conc. (To) = 10.10 min Total precip. = 4.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A7 Q (cfs) Hyd- No. 2 -- 10 Year Q (cfs) 0.10 ------ — I -- — 0.10 0.09 0.09 I— - — 0.08 - 0.08 0.07 0.07 0.06 0.06 0.05 — I 0.05 0.04 - -- — - -- --• 0.04 0.03 L 0.03 0.02 - --- � 0.02 0.01 - - 0.01 0.00 - - - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 —_— Hyd No. 2 PRE-SUBMITTAL REC'D Time(hrs) SEP 6 2013 S Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk, Inc.v10 Thursday,091 5/2013 Hyd. No. 2 Sub-Basin A7 Hydrograph type = SCS Runoff Peak discharge = 0.050 cfs Storm frequency = 25 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 725 cult Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 4.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A7 Q (cfs) Q (cfs) Hyd. No. 2 --25 Year 0.10 0.10 0.09 - - 0.09 0.08 — - 0.08 0.07 0.07 0.06 - - 0.06 0.05 -- - -- _ 0.05 0.04 - j — -- -- -- - 0.04 0.03 0.03 0.02 0.01 __- 0.01 0.00 � 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time(hrs) Hyd No. 2 PRE-SUBM11TAL REC'D SEP 6 2013 • 0 Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D1D 2013 by Autodesk,Inc.v10 Thursday,0915/2013 Hyd. No. 4 Sub-Basin A6 Hydrograph type = SCS Runoff Peak discharge = 0.034 cfs Storm frequency = 2 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 487 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 3.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A6 Q (cfs) Hyd. No. 4--2 Year Q (cfs) 0.10 - - 0.10 0.09 - 0.09 0.08 0.08 0.07 - -- 0.07 0.06 0.06 0.05 0.05 0.04 — 0,04 0.03 0.03 0.02 0.02 0.01 0.01 0.00 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 4 PRE-SUBMI1TAL RECD Time (hrs) SEP 6 2013 • ! • Hydrograph Report Hydraf low Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09 1 5 1 2013 Hyd. No. 4 Sub-Basin A6 Hydrograph type = SCS Runoff Peak discharge = 0.039 cfs Storm frequency = 5 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 566 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 3.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A6 Q (cfs) Hyd. No 4 -- 5 Year Q (cfs) 0.10 0.10 0.09 _ - 0.09 0.08 0.08 0.07 - 0.07 0.06 0.06 - 0.05 _ - - 0.05 0.04 _ 0.04 A _ 0.03 - - 0.03 r r -- - - - - M 0.02 �- 0.02 0.01 - — _ -- 0.01 0.00 -- - - - - o.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time (hrs) Hyd No. 4 PRE-SUBMlnAL REC'D SEP 6 2013 • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk, Inc.v10 Thursday,091 5/2013 Hyd. No. 4 Sub-Basin A6 Hydrograph type = SCS Runoff Peak discharge = 0.045 cfs Storm frequency = 10 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 646 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 4.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A6 Q (cfs) Hyd. No. 4-- 10 Year Q (cfs) 0.10 0.10 0.09 0.09 0.08 - - . — 0.08 0.07 ; — 0.07 0.06 - 0.06 0.05 0.05 0.04 _ 0.04 0.03 0.03 - 0.02 - 0.02 0.01 - - - _ - - - --- -------- —, _'_ 0.01 0.00 --- 0.00 0 2 4 8 8 10 12 14 16 18 20 22 24 26 Hyd No. 4 PRE-SUBMITTAL RECD Time (hrs) SEP 6 2013 0 Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 309 2013 by Autodesk,Inc.v10 Thursday,09/5/2013 Hyd. No. 4 Sub-Basin A6 Hydrograph type = SCS Runoff Peak discharge = 0.050 cfs Storm frequency = 25 yrs Time to peak = 7.92 hrs Time interval = 1 min Hyd. volume = 725 cuft Drainage area = 0.043 ac Curve number = 98 Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 10.10 min Total precip. = 4.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Sub-Basin A6 0 (cfs) Hyd. No. 4 --25 Year 0 (cfs) 0.10 - - 0.10 0.09 -- — — 0.09 0.08 — 0.08 0.07 - - 0.07 0.06 - - 0.06 0.05 - — - 0.05 A 0.04 0.04 0.03 0.03 _i 0 of sl \0.02 `— 0.02 0.01 -- 0.01 0.00 - -- A 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Time(hrs) Hyd No. 4 PRE-SUBMITTAL REC'D SEP 6 2013 • 0 Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk, Inc.v10 Thursday.09/5 1 2013 Hyd. No. 12 Sub-Basin B1 Hydrograph type = SCS Runoff Peak discharge = 0.034 cfs Storm frequency = 2 yrs Time to peak = 8.18 hrs Time interval = 1 min Hyd. volume = 678 cuft Drainage area = 0.154 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Composite(AreaICN)=((0.141 x 74)+(0.013 x 98)]10.154 Sub-Basin B1 Q (cfs) Hyd. No. 12 --2 Year Q(cfs) 0.10 - - 0.10 0-09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 - 0.03 0.02 � - --- - - - � 0.02 0.01 0.00 - - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 12 Time(hrs) PRE-SUBMITTAL RECD SEP 6 2013 • • . . Hydrograph Report Hydraflow Hydrographs Extension for AuIoCAD®Civil 3D®2013 by Autodesk, Inc.v10 Thursday,09/5/2013 Hyd. No. 12 Sub-Basin B1 Hydrograph type = SCS Runoff Peak discharge = 0.047 cfs Storm frequency = 5 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 881 cuft Drainage area = 0.154 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 3.80 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 Composite(Area/CN)•((0.141 x 74)+(0.013 x 98)]/0.154 Sub-Basin B1 Q (cfs) Hyd. No. 12—5 Year Q (cfs) 0.10 - 0.10 — 0.09 - -- 0.09 0.08 1 0.08 0.07 — —_ - - 0.07 0.06 • ' - 0.06 0.05 0.05 \ ...,.........%,.., -- 0.04 ._ - 0.04 0.03 0.03 0,02 —-- - 0.02 0.01 0.01 0.00 - 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 12 Time(hrs) PRE-SUBMITTAL REC'D SEP 6 2013 • • Hydrograph Report Hydraflow Hydrographs Extension for AutoCAD®Civil 3D®2013 by Autodesk,Inc.v10 Thursday,09/5/2013 Hyd. No. 12 Sub-Basin B1 Hydrograph type = SCS Runoff Peak discharge = 0-061 cfs Storm frequency = 10 yrs Time to peak = 8.17 hrs Time interval = 1 min Hyd. volume = 1,094 cuft Drainage area = 0154 ac Curve number = 76* Basin Slope = 0.0 % Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 27.90 min Total precip. = 4.30 in Distribution = Type IA Storm duration = 24 hrs Shape factor = 484 *Composite(Area/CN)_((0.141 x 74)+(0.013 x 98)]/0.154 Sub-Basin B1 Q (cfs) Hyd. No. 12 -- 10 Year Q (cfs) 0.10 0.10 0.09 0.09 . 0.08 - 0.08 0.07 — 0.07 0.06 - -- a — 0.06 0.05 — — — 0.05 0.04 0.04 0.03 - — 0.03 __ ,_ , 0.02 - 0.02 0.01 0.01 0.00 - — - ---- -- — 0.00 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 12 PRE-SUBMITTAL REC'D Time (firs) SEP 6 2013 • • Y T4F.q °., Lane County Clerk 2013-010517 Lane County Deeds & Records 02/25/2013 09:18:26 AM -g RPR-DEED Cnt=1 Stn=9 CASHIER 02 3pages $15.00$11.00$10.00$20.00$16.00 $72.00 After recording return to: Robert). Freeman 3023 Skyview Lane Eugene, OR 97405 _ Until a change is requested all ax statements shall be sent to th= following address: Robert J. Freeman 3023 Skyview Lane Eugene, OR 97405 File No.: 7191-2029913 (cr) Date: January 28, 2013 STATUTORY WARRANTY DEED Central Penn Capital Man. •ement LLC, Grantor, conveys and warrants to Robert J. Freeman , Grantee,the following descrl.-• real property free of liens and encumbrances,except as specifically set forth herein: • LEGAL DESCRIPTION: Rea property In the County of Lane, State of Oregon, described as follows: PARCEL 1: Beginning at a point whlc is 2383.5 feet West and 436.12 feet North 0°04'west from the Southeast corner of the illiam Spencer Donation Land Claim No. 50, in Township 17 South, Range 3 West of the Willa ette Meridian; run thence North 0° 04'West 435.6 feet to the center of a 40.0 foot road thence North 89° 59' East 100.0 feet;thence South 0° 04' East 435.6 feet; thence South .,9°59' West 100.0 feet to the Point of Beginning,In Lane County, Oregon. EXCEPTING THEREFROM /2 of all oil,gas,hydrocarbons and minerals,as excepted and reserved by the Union Ce tral Life Insurance Company in the Deed to R. B. Mayberry,et ux, Recorded June 27, 1944, -ook 269, Page 651,Lane County Oregon Records. ALSO EXCEPTING THERE OM the South 30 feet thereof conveyed to the City of Springfield for street purposes by De:d Recorded September 29, 1982, Reel 1212R, Reception No. 82- 29286, Lane County Oreg n Records. ALSO EXCEPTING THERE-i OM the North 30 feet thereof conveyed to the City of Springfield • for street purposes by De d Recorded September 29, 1982, Reception No.82-29285, Lane County Oregon Records. Page 1 of 3 PRE-SUBMITTAL REC'D SEP 6 2013 • • • • • APN:0205375 Statutory Warranty Deed Fle No.:7191-2029913(a) -continued FURTHER EXCEPTING THE•EFROM that portion conveyed to Cynthia L Coffelt by Memorandum of Contract •ecorded October 12, 1982,Reel 1214R, Reception No.82-30498, Lane County Oregon Reco ds,described as follows: Beginning at a point being West 2383.5 feet and North 0° 04'Wes 841.72 feet of the Southeast corner of the William Spencer Donation Land Claim No. -0,Township 17 South, Range 3 West of the Willamette Meridian, in Lane County,Oregon, Id point also being on the Southerly margin of"S"Street;thence along said Southerly marg n North 89° 59'00"East 100.00 feet;thence leaving said Southerly margin South 0''04'00"East 175.00 feet;thence South 89° 59'00"West 100.00 Met;thence North 0° 04' 10" West 175.00 feet to the Point of Beginning,in Lane County, Oregon. PARCEL 2: • Parcel 2, Land Partition PI-t No. 2004-P1782, as platted and recorded on May 14, 2004,as Reception No.2004-0361 6,In-Lane County Oregon Deeds and Records,in Lane County, Oregon. NOTE: This legal descripti'n was created prior to January 1, 2008. Subject to: 1. Covenants, candido - restrictions and/or easements, if any, affecting title, which may appear in the public record, incl ding those shown on any recorded plat or survey. The true consideration for thi conveyance is $100,000.00. (Here comply with requirements of ORS 93.030) • • Page 2 of 3 PRE-SUBMITTAL REC'D SEP 6 2013 • • • APN:0205375 Statutory Warranty Deed - Ale No.:7191-2029913(R) -continued • BEFORE SIGNING OR ACCE• NG THIS INSTRUMENT,THE PERSON TRANSFERRING FEE TITLE SHOULD INQUIRE ABOUT THE PE' "N'S RIGHTS, IF ANY, UNDER ORS 195.300, 195.301 AND 195.305 TO 195.336 AND SECTIONS 5 a 11, CHAPTER 424, OREGON LAWS 2007, SECTIONS 2 TO 9 AND 17, CHAPTER 855, OREGON LA 2009, AND SECTIONS 2 TO 7, CHAPTER 8, OREGON LAWS 2010. THIS INSTRUMENT DOES NOT A LOW USE OF THE PROPERTY DESCRIBED IN THIS INSTRUMENT IN VIOLATION OF APPLICABLE i •ND USE LAWS AND REGULATIONS. BEFORE SIGNING OR ACCEPTING THIS INSTRUMENT,THE PER•ON ACQUIRING FEE TITLE TO THE PROPERTY SHOULD CHECK WITH THE APPROPRIATE CITY OR COU PLANNING DEPARTMENT TO VERIFY THAT THE UNIT OF LAND BEING TRANSFERRED IS A LAWFUL ESTABLISHED LOT OR PARCEL, AS DEFINED IN ORS 92.010 OR 215.010, TO VERIFY THE APPROVED SES OF THE LOT OR PARCEL, TO DETERMINE ANY LIMITS ON LAWSUITS AGAINST FARMING OR FORE• PRACTICES, AS DEFINED IN ORS 30.930, AND TO INQUIRE ABOUT THE RIGHTS OF NEIGHBORING PROPERTY OWNERS, IF ANY, UNDER ORS 195.300, 195.301 AND 195.305 TO 195.336 AND SECTIONS • TO 11, CHAPTER 424, OREGON LAWS 2007, SECTIONS 2 TO 9 AND 17, CHAPTER 855,OREGON LAW. 2009,AN Df SECTIONS 2 TO 7, CHAPTER 8,OREGON LAWS 2010. Dated this U I STday of " e h 20 ) �J. Central Penn Capital Ma -gement, LLC, a limit-d liability company -. • Shelby Shepnl h rrized• Representitive STATE OF Pennsylvania )ss• County of Lancaster This Instrument was acknowl=..ged before me on this IS4-day of lrU 20 /3 by Central Penn Capital M.nagement, LLC. Notary Public for Lancaster My commission expires; NOTARIAL SEAL TONYA L HAYNES Notary Public AKRON BOROUGH. LANCASTER COUNTY My Commission Expires Jan 28,2016 Page 3 of 3 PRE-SUBMITTAL REC'D SEP 6 2013