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STRUCTURAL CALCULATIONS <br />for New ADU at: <br />2010 Alco Ave, Unit 2, Santa Ana, CA 92703 <br />Design Criteria <br />1. Code Reference: California Building Code (CBC) 2022, IBC 2021, ASCE 7-16, NDS 2018, ACI 318-19 <br />i. Plywood: APA rated sheathing, or Structural 1 <br />ii. Wall Studs: Douglas Fir-Larch (DF) No.2 (with max 19% moisture content prior to installation, typ.) <br />iii. Plates, Blocking: DF No.2 <br />iv. 2x Rafter, Joists: DF No.2 <br />v. 4x members: DF No.2 <br />vi. 6x, 8x Members: DF No.1 <br />vii. Mud sills: Pressure Treated utility grader or better <br />viii. Parallam PSL: ICC ESR 1387 <br />ix. GluLam: 24F-V4 or 24F-V8 DF/DF <br />x. TJI: ICC ESR 1153, ASTM D5055 <br />6. Soils: Bearing Pressure = 1500 psf (per CBC 2022, Ch.18) <br />7. Concrete: Ultimate concrete strength f’c = 2500 psi (per ATMC150) <br />Aggregate - ASTM C33, Cement – ASTM C150, Type-V (U.N.O.) <br />8. Reinforcement: ASTM A615 Grade 60 for #4 & larger bars, Grade 40 for #3 bars <br />9. Structural Steel: ASTM A36, ASTM A992 <br />10. Epoxy (Simpson): ICC ESR 2508 (Set-Epoxy) for concrete, ICC ESR 1772 for CMU <br />Note: <br />Attached calculations are valid only for above mentioned project. Contractor/Client to verify existing site condition/dimensions prior <br />to commencement of construction. <br />2. Seismic: Site Class: D (Default), SDC: D, IE = 1.0 <br />3. Wind: 96 mph, Exposure: C <br />4. Loads: Roof DL = 16 psf, LL = 20 psf, Floor DL = 15 psf, LL = 40 psf <br />5. Wood: <br />Job# AR24-0819, <br />Date: 02/04/25 <br />Pa e - 0 <br />2010 W Alco Ave Unit <br />#24/22/2025