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HomeMy WebLinkAboutPacket, DRC PLANNER 11/23/2020AGENDA DEVELOPMENT REVIEW COMMITTEE DEVELOPMENT SERVICES DEPARTMENT 225 FIFTH STREET GeRfeFenee Room 6 Staff Review: Tuesday, December 8,2020 820-9:00a.m. 1. Accessory Dwelling Unit 811-20-000220-TYP1 Bob Tate Assessor's Map: 17-03-36-31 TL: 4701 Address: 170 16" Street Existing Use: Single Family Residential Applicant submitted plans to construct new 400 sq. ft. detached ADU Planner: Drew Larson Meeting: Tuesday, December 8, 2020 8:30 — 9:00 virtual meeting via GoToMeeting The Complete DRC Packet for this meeting is available online for you to review or print out from the laserfiche website: htto://www.si)ringfield-or.gov/weblink8/browse.asi)x VICINITY MAP 811-20-000220-TYP1 Accessory Dwelling Unit 17-03-36-31 TL 4701 17016`' Street Bob Tate City of Springfield SPRINGFIELD Development & Public Works 225 Fifth Street Springfield, OR 97477 Accessory Dwelling Unit (ADU) — Type II Project Information (Applicant: complete this section) Applicant Name: Bob Tate Phone: 541-914-9918 Company if applicable): n/a Email: bobt@dynasty.com Mailing Address: P.O. Box 26423, Eugene, OR 97402 Applicant's Rep.: Jason Goshen phone: 541-485-8383 Company: SSW Engineers Inc. Email: Jasong@sswengineers.com Mailing Address: 2350 Oakmont Way, Suite 105, Eugene, OR 97401 Property Owner: Bob & Sharon Tate Phone: 541-914-9918 Company: n/a Email: bobt@dynasty.com Mailing Address: P.O. Box 26423, Eugene, OR 97402 ASSESSOR'S MAP NO: 17-03-36-31 TAX LOT NO 5 : 4701 Property Address: 170 16th Street, Springfield, OR 97477 Size of Pro rt : 0.22 Acres / 9,600 Square Feet Acres FXI Square Feet Q Type of ADU: _Conversion of part of house (describe existing use) (check one) _Conversion of accessory structure (describe existing use) _Addition to house X New detached dwelling Zoning of Property: X Low Density Medium Density High Density Residential Signatures: Please si nand riot our name and date in thea ro riate box on the next a e. Associated Cases: S Iq7l- -1 Case No.: I r d�� © 2�'V -7 ate: r� �Z eviewed by: brrl I Application Fee: Technical 1. osta a Fee: Hit )J.�0 TOTAL FEES: >`� v 1 PROJECT NUMBER: Revised Apr 3, 2018 Sandy Belson Page Iof 4 TYPE II ABU APPLICATION FOR BOB TATE Property Location: 170 16th Street, Springfield, OR 97477 Assessor's Map 17-03-36-31, Tax Lot 4701 - Situated west of 16th Street, between 16th Street and the easterly terminus of A Street Applicant: Robert W. Tate P.O. Box 26423, Eugene, OR 97402 541-914-9918 Owners: Robert W. Tate & Sharon L. Tate P.O. Box 26423, Eugene, OR 97402 Applicant's Representative: SSW Engineers Inc. Jason Goshert, Project Manager 2350 Oakmont Way, Suite 105, Eugene, OR 97401 Phone: 541485-8383 Email: jasong@a sswenginecrs.com Zoning: LDR - Low Density Residential Comprehensive Plan Designation: Low Density Residential Neighborhood Refinement Plan: None Request: Type II approval for a new, detached Accessory Dwelling Unit. Project Description The property involved in this request is a more or less flat, 0.22 acre parcel of land comprised of Tax Lot 4701 of Lane County Assessor's Map 17-03-36-31. The property is currently under residential use and developed with an existing single-family dwelling to remain (170 16th Street). The subject property is bounded on the north, west and south by private properties, and is bounded on the East by 16th Street. The applicant desires to construct a new detached Accessory Dwelling Unit (ADU) on the subject property, and is seeking land use approval for said ADU via the Type II process pursuant to the Alternative Standards at SDC 5.5-130(C). (WRITTEN NARRATIVE IS ON FOLLOWING PAGES) Written Narrative Type 11 ADU Application for Bob Tate SSW Job #17-7493 Page 1 of 6 Phis written narrative will describe how this request is consistent with applicable criteria contained in Sections 5.5-125 and 5.5-130 of the Springfield Development Code (SDC) regarding Development Standards and Design Standards for Accessory Dwelling Units. Applicable criteria are cited in bold italic text, followed by corresponding responses and findings shown in regular text. 5.5-125 Development Standards An accessory dwelling unit shall meet the following standards: A. The accessory dwelling unit shall meet all applicable standards in this Code including, but not limited to, setbacks, height, lot/parcel coverage, solar access and building codes in effect at the time of construction. The support posts for the covered front porch of the proposed ADU will be 25.7 feet from the front (easterly) lot line, which complies with the minimum 10 foot front yard setback in the LDR zone per SDC 3.2-215. The proposed ADU (including the attached garage) will be 18.2 feet from the rear (wester ly) lot line, which complies with the minimum 10 foot rear yard setback in the LDR zone per SDC 3.2-215. The proposed ADU (including the attached garage) will be 20.5 feet from the northerly lot line and over 77 feet from the southerly lot line, both of which comply with the minimum 5 foot interior yard setback in the LDR zone per SDC 3.2-215. The attached garage of the proposed ADU will be 49.3 feet from the front (easterly) lot line and 48.8 feet from the back of the public sidewalk along the front lot line, which complies with the minimum 18 foot front yard setback for garages and carports in the LDR zone per SDC 3.2-215. The highest roof gable ridge of the proposed ADU is approximately 15.5 feet high, which is well under the maximum 30 foot building height in the LDR zone per SDC 3.2-215. As detailed in the Lot Coverage Tabulation on the site plan included with this submittal, the total combined roof areas of the existing dwelling and proposed ADU will cover approximately 34.93% of the lot, which complies with the maximum lot/parcel coverage of 45% in the LDR zone per SDC 3.2-215. The proposed ADU will have a roof pitch of 8 in 12, therefore the ridges of the gable roof will control as the "shade point" with respect to compliance with applicable solar access requirements, which are addressed as follows: The east -west ridge of the main roof gable of the proposed ADU will be located 32.5 feet from the northern lot line (SSB), and the north -south dimension of the subject property is 120 feet. Using the formula for the Alternative Standard at SDC 3.2-225(A)(1)(b), a maximum shade point height (SPH) of 19 feet is allowed. The proposed height of said east -west ridge of the main roof gable of the proposed ADU is approximately 15'-6" in compliance with this standard. The northern -most point of the north -south ridge of the transverse roof gable over the north side of the attached garage of the proposed ADU will be located 20.5 feet from the northern lot line (SSB), and the north -south dimension of the subject property is 120 feet. Using the formula for the Alternative Standard at SDC 3.2-225(A)(1)(b), a maximum shade point height (SPH) of 14.2 feet is allowed. The proposed height of said north -south ridge of the transverse roof gable over the attached garage of the proposed ADU is approximately 11'-8" in compliance with this standard. Written Narrative Type 11 ADU Application for Bob Tate SSW Job #17-7493 Page 2 of 6 5.5-125(A) continued: The ADU is proposed to comply with applicable building code requirements in effect at the time of construction, which shall be verified via the building permit process. A The accessory dwelling unit shall contain a kitchen, bathroom, living, and sleeping area that are completely independentfrom the primary dwelling.. The proposed detached ADU contains a kitchen, bathroom, living, and sleeping areas that are completely independent from the existing primary dwelling. C. The accessory dwelling unit shall not exceed 800 square feet or the square jootage of the primary dwelling (exclusive of the garage for the primary dwelling), whichever is less. The proposed ADU is 400 square feet in area, which is less than 800 square feet mud significantly less than the square footage of the existing primary dwelling. The proposed accessory dwelling unit also has an attached 241 square foot single -car garage. D. The accessory dwelling unit shall have an outside entrance that is separate./com the entrance to the primary dwelling. A hard surface walkway, a minimum of 3 feet wide, shall be required from the primary entrance of the accessory dwelling unit to the street or walkway serving the primary dwelling. The proposed detached ADU has an outside entrance (facing 16th Street) that is separate from the entrance to the existing primary dwelling, with a proposed 5 foot wide concrete walkway which, in combination with the proposed concrete off-street parking space and 20 foot wide concrete driveway, connects the entrance of the ADU to the street. E. Each dwelling shall have its own address. The proposed detached ADU will have its own address, separate from [bat of the primary dwelling. F. There shall be one parking space 9 feet byT 8 jeer in size for the accessory dwelling unit, in addition to the parking spaces required by Section 4.6-100 for the primary dwelling. Off-street parking spaces may be paved or tmpaved as described below. If unpaved, the parking space must be rocked and maintained with % minus compacted crushed rock. The parking space for the accessory dwelling may be provided either on -street or off-street as described below: A 9 foot by 18 foot paved off-street parking space for the exclusive use of the ADU is proposed as shown on the site plan included with this submittal. 1. If the primary dwelling has more off-street spaces than required, a surplus parking space maybe counted as the required parking space for the accessory dwelling unit. A separate off-street parking space for the exclusive use of the ADU is proposed, therefore this standard is not applicable. 2. An on -sheet parking space meets the requirement for porking for the accessory dwelling unit if one of the following conditions is met.- Written et: Written Narrative Type 11 ADU Application for Bob Tate SSW Job #17-7493 Page 3 of 6 a. There is paved on -street parking available directly abutting the property, the abutting street includes parking on both sides of the street, and there are no adopted plans to remove the on -street parking; or b. Under Type II procedure, the Director determines based on a parking utilization study, that on -street paved parking is consistently available directly abutting, the subject property and the roadway is of sufficient width to allow passage of emergency vehicles. An off-street parking space for the ADU is proposed, therefore this standard is not applicable. 3. Anoff -street parking space for the accessory dwelling unit accessed from a street must be paved, except as follows: a. There is a paved driveway at least 18 feet long measured. from the property line that serves the parking space far the accessory dwelling unit; or b. The driveway abuts an unimproved gravel street. Neither of these exceptions is applicable therefore the off-street parking space for the ADU, which is accessed from the street, is proposed to be paved. 4. If an off-street parking space for an accessory dwelling unit is accessed from an alley, the following provisions apply: a Ifthe alley providing access is paved, tire off-street driveway and parking space must be paved for a minimum of 18 feetjrom the alley property fine; or b. If the alley providing access is not paver!, the following provisions apply: 4 The off-street parking space is not required to be paver!, but the property owner must pave the alley for a distance of 18 feet from one of the access points from the street unless both access points are paved for at least IS feet in conformance with applicable paving standards; and ii. The property owner must improve the alley from one of the access points of the street by grading and adding rock to the alley from the edge of the required I8 jeet of paving to the driveway in conformance with the applicable improvement standards. 1'he proposed off-street parking space for the ADIJ is not accessed from an alley, therefore these standards are not applicable. C. Outdoor storage and garbage areas shall be screened from view from adjacent properties and those across the street or alley with a minimum 42 -inch fall 100 -percent site obscuring fence or enclosure on at least 3 sides. The proposed garbage area on the west side of the ADU's attached garage is proposed to be screened with a minimum 42 inch tall 100% site obscuring fence. Written Narrative Type 11 ADU Application for Bob Tate SSW Job #17-7493 Page 4 of 6 H. If a Type 2 manufactured home or a towable structure (that is permitted, inspected and approved by the local authority having jurisdiction) is brought to the site as an accessory dwelling unit, it shall have its tongue and towing apparatus removed It shall be placed on an excavated and back-filled foundation, enclosed at the perimeter with stone, brick or other concrete or masonry materials approved by the Building Official and with no more than 24 inches of the enclosing material exposed above grade. Where the building she has a sloped grade, no more than 24 inches of the enclosing material shall be exposed on the uphill side of the home (if the dwelling is placed on a basement, the 24 -inch limitation will not apply). (6384; 6376) The proposed ADU is not a manufactured home or towable structure, therefore these standards are not applicable. 5.5-130 Design Standards An accessory dwelling unit within or attached to the main dwelling shall either match the primary dwelling or meet the alternative standards. A newly constructed detached accessory dwelling unit shall match the primary dwelling, meet clear and objective standards, or meet the alternative standards. Conversion of a structure permuted under Section 4.7-105A to an accessory dwelling unit u not required to meet the design standards and may be approved under a Type I procedure; however, exterior alterations such as those necessary to meet building codes shall meet relevant design standards below (match primary dwelling or meet clear and objective standards). A. Match Primary Dwelling. An accessory dwelling unit may be approved under Type I procedure if it meets the following design standards except that these standards maybe altered when necessary to meet current fire or building codes: 1. Exteriorfinish materials shall be the same as or visually match those ofthe primary dwelling in terms of Type, size, and placement. 2. Roof pitch shall be the same as the predominate roof pitch of the primary dwelling. 3. The trim around the doors and windows shall be the same type and finish as the primary dwelling. 4. Windows shall match those of the primary dwelling in terms of proportion (height and width ratio) and orientation (vertical vs. horizontal). 5. Eaves shall project from fire accessory dwelling unit addition the same distance as the eaves on the primary dwelling. Approval of the proposed ADU is beim requested via the Type II process pursuant to the ahernative standards at SDC 5.5-130(C) below, therefore the standards at SDC 5.5-130(A) are not applicable. B. Meet Clear and Objective Standards. A detached accessory dwelling unit maybe approved under Type [procedure if it meets the following design standards: 1. Only non -reflective siding and roofing materials are allowed. 2. Minimum roof pitch is 3 in 12. Written Narrative Type 11 ABU Application for Bob Tate SSW Job #17-7493 Page 5 of 6 3. Eaves shall project from the accessory dwelling unit at least 1 foot on all elevations 4. The primary emry must have a covered or roofed entrance with a minimum depth and width of 3 feet. 5. The accessory dwelling may not exceed the height of the primary dwelling. 6. The exterior wall shall provide an offset every 25 feet by providing a recess or extension, a minimum depth of 2 feet and a minimum width of 5 feet for the full height of the wall. Approval of the proposed ADU is being requested via the Type 11 process pursuant to the alternative standards at SDC 5.5-130(C) below, therefore the standards at SDC 5.5-130(B) me not applicable. C Meet Alternative Standards. An accessory dwelling maybe approved under Type H procedure if it meets the following design standards: 1. Sitting, roofing materials and windows shall be similar to those used on residential dwellings in the surrounding neighborhood The predominant building materials used for existing residential dwellings in the surrounding neighborhood are wood or composite horizontal lap siding and shake / shingle siding, asphalt / composite shingles for roofing, and casement and hung sash windows with vinyl or aluminum frames depending on vintage. The subject ADO is proposed to use similar siding, roofing materials and windows as shown on the building plans included with this submittal. 2. Entrances, windows and balconies shall be designed and located with consideration of the privacy of residential neighbors. (6384; 6376) The entrance and windows of the proposed ADU have been designed and located with consideration of the privacy of residential neighbors. More specifically, the entrance door and two windows are proposed on the front of the ADU facing 16th Street to the east, and one window is proposed on the north side of the ADU which is screened from view by the existing fence along the northern lot line. No doors or windows are proposed on the south side of the ADU facing the existing primary dwelling on the subject property, nor are any doors or windows proposed on the west side of the ADU which would face fuhue dwellings on neighboring property to the west. Written Narrative Type 11 ADU Application for Bob Tate SSW Job #17-7493 Page 6 of 6