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Home My WebLink About1301 S Standard Ave - PlanP.O. BOX 643 LOCKEFORD, CA 95237 209-938-8419 kholtberg@switchbackinc.com KEVIN HOLTBERG (PRINCIPLE ENGINEER/PRESIDENT) RCE 92760 Plan Check 3/21/26 12/15/202203/21/2026 ELECTRONICALLY SIGNED ” ” ” ” ’ ” ’ ” ’ ” ’ ” ’ ” ” “” ” ’” ’” Plan Check 3/21/26 12/15/202203/21/2026 ELECTRONICALLY SIGNED Date:2/26/2026 San Souci HOA Fence Job #:26027 kholtberg@switchbackinc.com(209) 938-8419 STRUCTURAL CALCULATIONS PROJECT: San Souci HOA Fence CLIENT: KW Builders PROJECT LOCATION: 1301 S. Standard Ave. Santa Ana, CA 92707 P.O. Box 643, Lockeford, CA 95237 Page 1 of 8 12/15/202202/27/2026 ELECTRONICALLY SIGNED San Souci HOA Fence JOB #:26027 GOVERNING DESIGN CODES & SPECIFICATIONS: 2025 California Building Code ASCE 7-22 – Minimum Design Loads for Buildings & Other Structures AISC 360-22 – Steel Construction Manual AISC 341-22 – Seismic Design Manual ACI-318-19 – Building Code Requirements for Structural Concrete NDS 2024 - National Design Specification for Wood Construction DESIGN MATERIAL SPECIFICATIONS: WOOD: 6x Members Use DF#1 4x Members Use DF#1 2x Members Use DF#2 Studs Use Construction Grade Glu-Lam Beams Use (24F-V4) STEEL: Structural Steel, ASTM A992, F y = 50 ksi Structural Tubing, ASTM A500, Fy = 46 ksi Pipes, ASTM A501, Fy = 36 ksi Cold Formed, ASTM A-924/A-792 or A-570, Fy = 50 ksi Nuts and Bolts, use ASTM-A307 U.N.O. CONCRETE: f'c = 2,500 psi CMU BLOCK: ASTM C-90 Grade N. f'm = 1500 psi Mortar Type S Grout @28 Days f'c = 2000 psi REINFORCING: ASTM - 615 #4 and Smaller Grade 40 #5 and Larger Grade 60 SOILS: Design per CBC Table 1806.2 Allowable Soil Bearing Pressure = 1.5 ksf NOTE: The intent of this design is to prevent structural failures, in the event of seismic activities or high-winds, but not to prevent the damage of architectural finishes or systems. The calculations herein conform to the specifications of the current California Building Code (CBC). Switchback Enterprises, Inc. provides no guarantees, expressed or implied, as to the adequacy of the CBC provisions. These calculations, specifications, details and drawings are instruments of service and are the property of Switchback Enterprises, Inc. The information contained herein is for use on the specific project referenced above and shall not be used otherwise without the written authorization of Switchback Enterprises, Inc.Page 2 of 8 San Souci HOA Fence JOB #: 26027 Wind Loads Wind loads calculated per 2025 CBC, Section 1609 and ASCE/SEI 7-22 Chapters 26-31. Basic wind speed per Figures 1609A, 1609B, 1609C. Exposure based on surface roughness that is determined from natural topography, vegetation, and constructed facilities. Velocity pressure per ASCE 7-22, Section 26.5 Wind Loads Wind exposure =C Maximum structure height, h =8.0 (ft) Basic wind speed,(mph) V =95 Roof Angle, (degrees)0º Velocity Pressure, q h = 0.00256K z K zt K d V 2 I 16.69 (psf) Velocity Pressure Exposure Coefficient (Table 26.10-1), K z = 0.85 Topographic Factor, K zt = (1+K 1 K 2 K 3 )2 = 1.00 Wind Directionality Factor (Table 26.11-1), K d = 0.85 Ground Elevation Factor (Table 26.9-1), K e = 1.00 Occupancy Importance Factor (Table 1.5-2), I = 1.00 Gust Effect Factor, G = 0.925[(1+1.7g QI zQ)/(1+1.7g vI z)] =0.90 Intensity of Turbulence, I z = c (33/z)^1/6 0.23 Terrain Exposure Constant, (Table 26.11-1), c =0.20 Terrain Exposure Constant, (Table 26.11-1), z = .6h > zmin =15.0 (ft) gQ = gv (Section 26.11) =3.40 Background Response, Q = [ 1 / (1 + 0.63((B+h)/Lz)0.63) ]0.5 =0.95 Scale of Turbulence = Lz = l (z/33) = 427.1 Net Pressure Coefficient (Table 29.3-1 Case C), Cf = 1.85 Design wind pressure, F = q z G C f A f =27.8 A s (psf) ` Page 3 of 8 26027 -hand calc Page 1 Page 4 of 8 Company Designer Job Number Model Name : : : : Switchback Enterprises Geff Meridores 26027 Fence Post Checked By : K Holtberg 2/18/2026 8:53:52 AM RISA-3D Version 23 [ BASIC STEEL POST cold form.r… Page 1Page 5 of 8 Company Designer Job Number Model Name : : : : Switchback Enterprises Geff Meridores 26027 Fence Post Checked By : K Holtberg 2/18/2026 8:53:52 AM RISA-3D Version 23 [ BASIC STEEL POST cold form.r… Page 2Page 6 of 8 Company Designer Job Number Model Name : : : : Switchback Enterprises Geff Meridores 26027 Fence Post Checked By : K Holtberg 2/18/2026 8:53:52 AM RISA-3D Version 23 [ BASIC STEEL POST cold form.r… Page 3 Node Coordinates Label X [ft] Y [ft] Z [ft] Detach From Diaphragm 1 N1 0 0 0 2 N2 0 8 0 Member Point Loads (BLC 3 : WIND) Member Label Direction Magnitude [k, k-ft] Location [(ft, %)] 1 M1 X 0.082 6.63 AISI S100-20: ASD Member Cold Formed Steel Code Checks LCMemberShapeUC MaxLoc[ft]Shear UCLoc[ft]DirPn/Om[k]Tn/Om[k] Mnyy/Om[k-ft] Mnzz/Om[k-ft] Vny/Om[k]Vnz/Om[k]Cb Eqn 1 1 M1 POST 0.003 0 0 8 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 2 2 M1 POST 0.756 0 0.024 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 3 3 M1 POST 0.756 0 0.024 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 4 4 M1 POST 0.568 0 0.018 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 5 5 M1 POST 0.568 0 0.018 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 6 6 M1 POST 0.754 0 0.024 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 7 7 M1 POST 0.754 0 0.024 6.583 y 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 Envelope AISI S100-20: ASD Member Cold Formed Steel Code Checks MemberShapeCode CheckLoc[ft]LCShear CheckLoc[ft]DirLCPn/Om[k]Tn/Om[k]Mnyy/Om[k-ft]Mnzz/Om[k-ft]Vny/Om[k]Vnz/Om[k]Cb Eqn 1 M1 POST 0.756 0 3 0.024 6.583 y 3 3.868 8.631 0.432 0.432 2.049 2.049 1 H1.2-1 Page 7 of 8 Pole Footing Embedded in Soil LIC# : KW-06023941, Build:20.25.12.17 Switchback Enterprises Inc.(c) ENERCALC, LLC 1982-2026 DESCRIPTION:Post Footing Project File: Calcs.ec6 Project Title:Fence Design Engineer:GMeridores Project ID:26027 Project Descr:26027 - San Souci HOA Fence Load Combinations Used : ASCE 7-22 / IBC 2024 Code References Governing Code : IBC 2024 1807.3 General Information Circular 12.0 250.0 1,500.0 Lateral Restraint at Ground Surface Pole Footing Shape Pole Footing Diameter . . . . . . . . . . .in Allow Passive . . . . . . . . . . . . . . . . . . . . . .pcf Max Passive . . . . . . . . . . . . . . . . . . . . . .psf Calculate Min. Depth for Allowable Pressures +0.60WGoverning Load Combination : Lateral Load 0.04902 Moment 0.3103 k-ft Minimum Required Depth 1.750 ft k Restraint @ Ground Surface Pressure at Depth Actual 430.616 psf Allowable 437.50 psf Surface Restraint Force 0.0 lbs Controlling Values ft^2Footing Base Area 0.7854 Maximum Soil Pressure 0.0 ksf k k k k k Applied Loads k Lateral Concentrated Load (k) D : Dead Load L : Live Lr : Roof Live S : Snow W : Wind E : Earthquake H : Lateral Earth Load distance above 0.08170 6.330 k k k k k k k ft Lateral Distributed Loads (klf) TOP of Load above ground surface BOTTOM of Load above ground surface k/ft k/ft k/ft k/ft k/ft k/ft k/ft ft Applied Moment (kft) k-ft k-ft k-ft k-ft k-ft k-ft k-ft ground surface ft Vertical Load (k) k Load Combination Results Factor Soil IncreaseForces @ Ground Surface Load Combination Required Loads - (k)Moments - (ft-k)Depth - (ft) Pressure at Depth Allow - (psf)Actual - (psf) 430.60.049 0.310+0.60W 1.75 1.000437.5 430.60.049 0.310-0.60W 1.75 1.000437.5 Page 8 of 8 YES NO INSTRUCTIONS: ORAN GE COUNTY FI RE AUTHORI TY Plan Submittal Criteria COMMERCIAL projects, MULTIFAMILY RESIDENTIAL projects and RESIDENTIAL TRACT developments · Fill in the project/business address and provide a brief description of the scope of work and type of business operation that will take place. · Answer questions 1 through 10, read and initial items 11 and 12, then complete and sign the certification section. · If you answer: - “YES” to any part of questions 1 through 10, submit the type of plan indicated in italics to OCFA. · In some cases, other plan types not indicated herein may also be necessary depending on specific conditions or operations. · Visit www.ocfa.org for submittal information and locations. If you need assistance in filling out this form or have questions regarding requirements for review, please contact OCFA at 714-573-6108 or visit us at 1 Fire Authority Road, Irvine, CA 92602. Address Suite City Project Scope/Business Description 1. Construction of a new building, a new story, or increase the footprint of an existing building? Changes to roadways, curbs, or drive aisles? Addition, relocation, or modification of fire hydrants or fences/gates? Construction within 300 feet of an active or proposed oil well? Fire Master Plan (PR145) 2. Property is adjacent to a wildland area or non-irrigated native vegetation? Fire Master Plan (PR145); a Fuel Modification Plan may also be required. (PR120, PR124) 3. Located in or < 100’ from a Division of Oil, Gas, and Geothermal Resources (DOGGR) field boundary, < 300’ from an oil/gas seep, or < 1000’ from a landfill? Methane Work Plan. (PR170) 4. Installation/modification/repair of underground piping, backflow preventers, or fire department connections serving private fire hydrant/sprinkler/standpipe systems? Underground Plan. (PR470, PR475) 5. Drinking/dining/recreation/meetings/training/religious functions or other gatherings in a room > 750 sq.ft. (> 1,000 sq.ft. for training/adulteducation) or > 49 people? Healthcare/outpatient services for > 5 people who may be unable to immediately evacuate without assistance? Education for children (academic tutoring for ages 5+ is exempt unless classified as an E occupancy by the Building Official)? Adult/child daycare? 24-hour care/supervision? Incarceration or restraint? Hotel/apartment or residential facility with 3+ units and 3+ stories (3-story townhouses/rowhouses where an independent direct exit to grade is provided for dwelling are exempt)? Congregate housing/dormitories with 17+ people? High-rise structure (55+ feet to highest occupied floor level)? Architectural Plan (PR200-PR285) 6. Installation/modification of locks delaying or preventing occupants from leaving a space or requiring use of a card, button, or similar action to open a door in the direction of exit travel? Architectural, Sprinkler, and/or Alarm Plan depending on the occupancy and type of device installed (PR200-PR280, PR420-PR425, PR500-PR520) 7. Installation/modification/use of spray booths; dust collection; dry cleaning; industrial ovens/drying equipment; industrial/commercial refrigeration systems; compressed gasses; tanks for cryogenic or flammable/combustible liquids; vapor recovery; smoke control; battery back-up/charging systems (> 50 gal. electrolyte, > 1,000 lb. lithium ion); welding/brazing/soldering, open flame torches, cutting/grinding; or other similar operations? Special Equipment Plan (PR315, PR340-PR382) 8. Storage/use/research with flammable/combustible liquids or other chemicals? Motor vehicle/aircraft maintenance/repair? Cabinetry/woodworking/finishing facility? Chem Class & floor plan (full architectural plan if H occupancy); Special Equipment Plans may be necessary. (PR315-PR360, PR232-PR240) 9. Storage or merchandizing areas in excess of 500 sq. ft. where items are located higher than 12’ (6’ for high-hazard commodities, plastic, rubber, foam, etc.)? High-piled Storage Plan (PR330) 10. Cooking under a Type I commercial hood; installation or modification of a fire extinguishing system located in a commercial cooking hood? Hood & Duct Extinguishing System, not just the hood mechanical plan. (PR335) Initial each of the following two items indicating that you have read and understand the statement: 11. *Sprinklers/Alarms: Consult Building/Fire Codes and ordinances to determine sprinkler/alarm requirements; if a system is required, plans shall be submitted for OCFA review. Existing buildings undergoing remodel must be evaluated by a licensed Initials contractor to determine if modification is needed; if so, contractor shall submit plans prior to making modifications. 12. Fire Hazard Severity Zone: Consult maps available at building department or on OCFA website to determine if your site is located in a FHSZ. Buildings in a FHSZ may be subject to special construction requirements detailed in CBC Chapter 7A or CRC R327— Initials the building department will determine specific requirements. I certify under penalty of perjury under the laws of the State of California that the above is true: Print Name Signature Phone Number ( ) Date / / Building Department: If you have verified that all of the questions have been answered accurately as “NO”, and the project does not otherwise require OCFA review of sprinkler or alarm plans*, then you may accept this signed form as a written release that OCFA review is not required. Should you still require that the applicant have plans approved by OCFA, please initial here or attach an OCFA referral form and have the applicant submit the form along with the appropriate plans and fees for OCFA review. 10-08-14 EE COM 1301 S Standard Ave 4 Addition of shepherds hook fencing addition to HOA community perimeter wall section. 4 4 4 4 4 4 4 4 4 Dan Bushey 562 3740200 12 19 2025 Santa Ana DB DB