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HomeMy WebLinkAboutPA2023-0018_ 20230224_BUILDING PRR 02-10-2023P ROJECT R EVIEW R EQUES T C O M M U N I T Y D E V E L O P M E N T D E P A R T M E N T Planning Division Please Distribute to: Public Works - D. Keely Geotechnical Engineer – S. Gutierrez Building – T. Thai Date: 2/10/2023 Please return PRR and Plans to Staff Planner Afshin Atapour, Assistant Planner 949-644-3237 or aatapour@newportbeachca.gov Applicant: Ron Ritner Ritner Group, Inc. Contact: Ron Ritner rritner@ritnergroup.com 949-999-3259 Project Name CDP – Barnard Residence Address: 3907 Seashore Drive (PA2023-0018) A coastal development permit to demolish an existing duplex and construct a new 2,436-square-foot, three-story, duplex with an attached 390-square-foot two-car garage and two-car carport in the VE Special Flood Hazard Area. The proposed structure includes a raised foundation supported by caissons to meet the minimum finished floor requirements of the Special Flood Hazard Area. The project includes hardscape, walls, landscaping, and drainage facilities. All plans and attachments are in the PA Folder (PA2023-0018) Under 1st Check. A WQMP has not been submitted. REPORT REQUESTED BY: February 23, 2023 Check all that apply: ❑ No comments on the project as presented. Notes: 1. Building site is located in a special flood hazard area (SFHA) VE15, established in FIRM dated March 21, 2019. Base Flood Elevation (BFE) is 15 feet NAVD88. Bottom of the lowest horizontal member to be clear one foot above the BFE, using North American Vertical Datum 1988 (NAVD88). 2. Structures constructed in whole, or in part, in flood hazard areas (including A or V Zones) as established in FIRM dated March 21, 2019 shall conform to the requirements of NBMC 15.50 and in accordance with ASCE 24 subject to limitation of this code Section 15.05.100 3. Provide the following notes on title page of plans: a. A licensed surveyor shall complete a FEMA Elevation Certificate (EC) and submit the EC for review and approval from the City’s Community Rating System (CRS) Coordinator prior to requesting final inspection. b. An approved EC must be submitted to the Building Department Inspector during final inspection. c. All mechanical, gas, and electrical equipment servicing the building (including ducts) must be at least one foot above the BFE (NAVD88). 4. When top of garage floor slab is lower than the base flood elevation (BFE), garage walls must be supported over concrete X Application of Standard Code requirements are not expected to alter the project design. ❑ Recommended conditions of approval are attached. ❑ Application of Standard Code requirements or the attached conditions of approval will substantially impact or alter the design of the project. ❑ I contacted the applicant on ❑ To schedule an appt. for Code review ❑ To discuss the following (see notes) curbs with top of curb one foot above the BFE (NAVD88). See "Lowest floor" regarding restriction on garage slab not allowed below grade. NBMC 15.50.050 Definitions 5. Garage and carport finished slab may be located below the BFE, provided the slab elevation is above adjacent grade. Show a minimum of two flood vent openings at opposite sides of the garage on the foundation plan, exterior elevations, and floor plan. a. The bottom of flood vent openings must be within 1 ft. of the adjacent exterior grade. b. The top of flood vent openings must be below the BFE. c. Provide one square inch of opening per each square foot of garage area. Indicate the location with dimensions and areas of the openings on the exterior elevations, foundation plan and architectural floor plan. The required square inches must be within requirements of items a & b above and the minimum dimension in any direction shall not be less than 3 inches. NBMC 15.50.200 C.1.d. and ASCE24 section 2.7.2.1. Or provide engineered openings per ASCE24 section 2.7.2.2. 6. Provide a completed “VE Zone Design Certificate” on the title page of the plan. Form is available at City Hall or https://www.newportbeachca.gov/home/showpublisheddocum ent/69496/637491780108370000 7. Building site is located within an area prone to liquefaction. Please comply with the city’s minimum liquefaction mitigation requirements. Kenneth Huang, PE, CASp Senior Civil Engineer – Plan Check 2/24/23 Please indicate the approximate time spent on reviewing this project: 1.5 hour