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Home My WebLink AboutPRE 2022-0061; MATTHEW DUPLEX; Admin Decision LetterJanuary 3, 2022 Samuel Wright Wright Design 2911 State Street, Suite A Carlsbad, CA 92008 B FILE COPY SUBJECT: PRE 2022-0061 (DEV2022-0209) -MATTHEW DUPLEX APN: 210-115-14-00 ('Cityof Carlsbad Thank you for submitting a preliminary review application for a single lot duplex, pursuant to California Senate Bill 9 {SB-9), commonly referred to as the Housing Opportunity & More Efficiency {HOME) Act. The single lot duplex is proposed on a property that is currently under construction with a new single-family residence and an attached accessory dwelling unit at 5511 Los Robles Drive. In response to your application, the Planning Division has prepared this comment letter. Please note that the purpose of a preliminary review is to provide you with direction and comments on the overall concept of your project. This preliminary review does not represent an in-depth analysis of your project. It is intended to give you feedback on critical issues based upon the information provided in your submittal. This review is based upon the plans, policies, and standards in effect as of the date of this review. Please be aware that at the time of a formal application submittal, new plans, policies, and standards may be in effect and additional issues of concern may.be raised through a more specific and detailed review. Planning: General 1 .. General Plan and zoning designations for the property are as follows: a. Gene_ral Plan: R-4 Residential, 0-4 units/ac. Growth Management Control Point of 3.2 units/ac. b. Zoning: R-1 {One-Family Residential) c. The project site is located within the Coastal Zone and is subject to the Mello II Segment of the Local Coastal Program (LCP). The LCP Land Use and Zoning are consistent with the City's General Plan Land Use and Zoning for the site as discussed above. The property is located within the California Coastal Commission's Appeals Jurisdiction. 2. The project requires the following permits: a. Minor Coastal Development Permit (CDP) Community Development Department Planning Division I 1635 Faraday Avenue Carlsbad, CA 92008-7314 I 442-339-2600 www.carlsbadca.gov PRE 2022-0061 (DEV2022-0209) -MATTHEW DUPLEX January 3, 2022 Page 2 b. Revision to existing building permit to incorporate construction changes to convert the previously approved single-family residence plans to a duplex. Building occupancy type will remain R-3. 3. The proposed project is subject to CA Senate Bill 9 {SB-9), added Govt. Code §65852.21 and §66411.7: https:ljleginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill id=202120220SB9 The requirements of SB-9 are summarized in the following information bulletin prepared by the City of Carlsbad: https:ljwww.carlsbadca.gov/home/showpublisheddocument/8771/637774951657370000 4. The proposed subdivision shall show compliance with the items identified on The Home Act (SB-9) Eligibility Checklist (Form B-74). The form may be accessed via: https://www.carlsbadca.gov/home/showpublisheddocument/8769/637907192228729987 Specifically, the project shall demonstrate compliance with the following items in Form B-74: a. Provide evidence showing that the existing house is not rented as an affordable unit. b. Provide evidence that the existing house was not withdrawn from the rental market within the last 15 years. 5. Per Government Code Section 65852.21, the minimum required setback from the side and rear property lines shall be not less than four feet. 6. Please be aware that as part of a formal submittal, a restriction shall be recorded against the property prohibiting the use of all units from being used as short-term vacation rentals; the units must be rented for a term longer than 30 days. 7. Property owners must sign an affidavit stating they will occupy one of the housing units as a primary residence for at least three years after the addition of units (exceptions provided for community la rid trusts and qualified nonprofit corporations. See Gov. Code§ 66411.7(g) for additional guidance.) 8. A restriction shall be recorded against the property prohibiting future Single Lot Duplexes/Urban Lot Splits. 9. The additional residential unit requires one parking space. The single-family residence proposes a three-car garage. One of the three spaces shall be designated parking for the additional primary dwelling unit. All necessary application forms, submittal requirements, and fee information are available at the Planning counter located in the Faraday Building at 1635 Faraday Avenue or online at https:ljwww.carlsbadca.gov/departments/community-development/planning. You may also access the PRE 2022-0061 (DEV2022-0209} -MATTHEW DUPLEX January 3, 2022 Page 3 General Plan Land Use Element and the Zoning Ordinance online at the website address shown. Please review all information carefully before submitting. Land Development Engineering: 1. The units shall be serviced by a single water service with a sub meter. Verify capacity in the 1" meter and existing water service should follow Carlsbad Municipal Water District Standard, W-5. 2. Existing 4" sewer lateral in Los Robles Drive should be removed and capped at the main. 3. A single 6" sewer lateral should be installed. The upgrade shall be shown as one or both of the following, subject to city engineer approval: A. Grading plan revision to record drawing for project, DWG 531-5A B. Construction Revision to existing public improvement drawing, DWG 141-5 4. Prior to any work or equipment staging in city right-of-way for sewer lateral, a licensed contractor shall apply for and obtain a right-of-way permit to the satisfaction of the city engineer. Building Division: The following comments are provided courtesy of the Building Division and will need to be clearly detailed in your final design prior to submitting for building permit construction plan review. 1. Show details for one-hour fire resistance rated wall(s) separating the ADU from the main residence. CRC R302.3. 2. Show details for airborne and structure borne sound transmission compliance with CBC section 1206 for the walls separating the ADU from the main dwelling. 3. A soils report is required for new construction. Prepare the report and include recommendations into the foundation design. 4. A boundary certification is required for new structures built 5 feet or closer to a side or rear yard property line. 5. Sewer design with fixture unit counts for entire sewer line, including the new house if the ADU ties into the existing sewer line prior to the sewer main connection. 6. Electrical load calculations and single line diagram for entire electrical design will need to be incorporated into the plans. 7. Carlsbad Climate Action Plan (CAP) sections 2A, 3A and 4A are triggered for tl:tis project. CAP specific plan details to be coordinated with the energy documents. 8. Single line diagram for proposed gas fixtures including the new house fixtures will need to be detailed onto the plans. PRE 2022-0061 (DEV2022-0209) -MATTHEW DUPLEX January 3, 2022 Page 4 9. Separate HVAC will be required for the ADU: a. Each dwelling unit shall be provided with heating facilities capable of maintaining a 68-degree room temperature. b. Return air from one dwelling unit shall not discharge into another dwelling unit. CMC311.4. c. Each dwelling unit controlled by its own thermostat. CEC 120.2(a). 10. Plans for Building permit applications filed after January 1, 2023 will need to meet the 2022 California Building Code requirements. (aging in place design, solar with energy storage system (ESS) ready provisions, etc). If you would like to schedule a meeting to discuss this letter with the commenting departments, please contact Esteban Danna at the number below. You may also contact each department individually as follows: • Planning Division: Esteban Danna, Associate Planner, at (442) 339-2629 • Land Development Engineering: Linda Ontiveros, Project Engineer, at (442) 339-2773 • Fire Department: Randy Metz, Fire Inspections, at (442) 339-2661 • Building Division: Jason Pasiut, Building Official, at (442) 339-2788 Sincerely, ERIC LARDY, AICP City Planner EL:ED:JC c: Arvin and Sepideh Matthew, 215 Montair Drive, Danville, CA 94526 Linda Ontiveros, Project Engineer Fire Prevention Laserfiche/File Copy Data Entry