SD Information Bulletin 140

Development Services DSD Home | Permits, Approvals & Inspections | Names & Zoning Programs | Zoning | Codes & Regulations | Forms & Publications | Public Hearings, Meetings & Notices | Fees | Records Enforcement | Building & Land Use Residential Addition/Remodel INFORMATION BULLETIN 140 January 2025 View All Information Bulletins IN THIS BULLETIN: • Submittal Requirements • Additional Regulations • Options for Service • Project Fees • Inspections • References • Tables & Figures • Previous Versions This information bulletin describes the submittal requirements and permitting process for additions and remodels to single family dwelling and duplexes, not exceeding one story in height above grade or above crawl space. The information and sample drawings provided herein are suitable as a guide and cannot be used for construction. Project specific construction plans must be submitted for review. Submittal Requirements I. Forms 1. Project Contacts Information Form The Project Contacts Information Form (DS-345 ) must be submitted with all projects. 2. Owner-Builder Verification Form

The Owner-Builder Verification Form (DS-3042 ) is required if the property owner is acting as the general contractor. If you are not a licensed contractor and intend on performing the work yourself or hiring licensed subcontractors, an Owner-Builder Verification form must be completed and submitted with your project documents. 3. Water Meter Data Card A Water Meter Data Card (DS-16 ) must be completed if new plumbing fixtures are being added. This form is not required when replacing or relocating existing fixtures. 4. Stormwater Requirements Applicability Checklist Form DS-560 will be used to determine the storm water requirements for the project and is required for every plan submittal. II. Plans and Specifications Plans must be drawn to scale and be of sufficient clarity to indicate the location and extent of the proposed work. Existing and proposed construction and alterations to the existing home impacted by the addition should be clearly shown.

Plans must show that all work conforms to the provisions of the current edition of the California Residential Code (CRC), the San Diego Municipal Code and all other relevant laws, ordinances and regulations applicable in the City of San Diego. Provide and show the following items, as applicable. 1. Site Plan and Vicinity Map See Information Bulletin 122 for detailed information. 2. Foundation (See Figure 1 & 5-9) A. Foundation Plan and Details (See Figure 1 & 5-9) 1. Size, depth, and location of footings. 2. Rebar size and spacing. 3. Concrete compressive strength (minimum 2500 psi). 4. Concrete slab thickness (min. 3.5 inches). B. Raised Floor Construction 1. Location of continuous foundations and pier footings. 2. Size and depth of footings. 3. Dimension stem. 4. Size and spacing of cantilevered joists (see Table 5). 5. Size and spacing of floor joists (see Table 3). 6. Location and size of crawl space access openings and vents (CRC R408). 3. Floor Plan (See Figure 2) A. Identify use and dimensions of all existing and proposed rooms. B. Size and types of windows and doors. C.

Location and type of all plumbing fixtures. D. Location and energy output (BTUs) of all heating equipment. E. Location and type of bathroom exhaust fan(s). F. Location and type of smoke and carbon monoxide alarms (see Figure 13). G. Attic access location. 4. Roof Framing Plan (See Figure 3) A. Size, spacing and span between supports for the existing roof framing impacted by the area of alteration. B. Size and spacing of all new rafters and ceiling joists (see Tables 1 and 2). C. Size of headers above wall openings and number of trimmer studs (see Table 4).

D. Special framing around roof openings such as skylights and chimneys. E. Size and number of nails for rafter tie connection (see Table 6). F. Wall bracing, shear panels or other means of obtaining required lateral bracing (see Figure 11). 5. Exterior Elevation Views (See Figure 4) A. Each exterior wall shown from the outside of the building and exterior finish of the walls and roof. B. Doors, windows and other openings. C. Pre-existing and finished grade and building height to the most restrictive grade. Note: Roof covering must be minimum Class "A". Refer to Information Bulletin 123 for requirements concerning renewal of roof covering. 6. Connection Details Sufficient details must be shown to clearly explain the method of construction and means of connection. Details should be referred on framing and foundation plans. A. Refer to Figures 5 through 8 for cross-section through addition. B. Refer to Figure 9 for exterior and interior load-bearing walls and foundation. C. Refer to Figures 10 and 11 for framing details. D.

Refer to Figure 12 for emergency escape windows in bedrooms, and seismic straps for water heaters. E. Refer to Figures 14 and 15 for shear transfers and miscellaneous details. 7. Truss Calculations If prefabricated trusses are included as part of the roof framing system, truss calculations stamped by a professional architect or registered civil engineer, licensed in the State of California must be provided. The truss calculations identification number must identify each truss type on the roof framing plan. 8. Site Soil Condition A geotechnical investigation report must be provided for foundations placed on fill material or when placed on expansive soil. Add the following notes on plan when foundations are placed on undisturbed native soil: A. "The structure(s) will be located entirely on undisturbed native soil." Signature___________________________ Owner/Licensed Engineer or Architect. B.

"If the Building Inspector suspects fill, expansive soils or any geologic instability based upon observation of the foundation excavation, a soils or geological report, and resubmittal of plans to plan check to verify that report recommendations have been incorporated, may be required." 9. Statement of Special Inspection Specify on plans that special inspection is required when epoxy or expansion anchors are used. When special inspection is required, add the following notes on the statement of special inspection: A. NOTICE TO THE AGENT/ARCHITECT or ENGINEER OF RECORD: By using this permitted construction drawings for construction/installation of the work specified herein, you agree to comply with the requirements of City of San Diego for special inspections, structural observations, construction material testing and off-site fabrication of building components, contained in the statement of special inspections and, as required by the California construction codes. B.

NOTICE TO THE CONTRACTOR/BUILDER/INSTALLER/SUB-CONTRACTOR/OWNER-BUILDER: By using this permitted construction drawings for construction/installation of the work specified herein, you acknowledge and are aware of, the requirements contained in the statement of special inspections. You agree to comply with the requirements of City of San Diego for special inspections, structural observations, construction material testing and off-site fabrication of building components, contained in the statement of special inspections and, as required by the California construction codes. C. The special inspector must be registered by the City of San Diego Development Services Department, in the category of work required to have special inspection. D. The special inspections identified on plans are, in addition to, and not a substitute for, those inspections required to be performed by a City's building inspector. Additional Regulations A. Very High Fire Hazard Severity Zone (VHFHSZ)

When the addition and or alteration to an existing building is in a VHFHSZ and the building permit application for the existing building was deemed deficient after 8/27/2009, the material and method of construction used for the addition and remodel shall comply with the requirements specified in CBC, Section R337, as amended by San Diego Municipal Code (SDMC) Section 55.9401 B. Brush Management Zone When the addition is encroaching or located within Brush Management Zones, it shall comply with the City of San Diego's Landscape Regulations, SDMC Section 142.0412. C. Storm Water Requirements & Best Management Practices (BMPs) The project shall comply with all requirements of the State MS4 permit; California Regional Water Quality Control Board (San Diego), the City of San Diego Development Code, and the City's Storm Water Standards Manual. 1. Construction BMP general notes: BMP notes are required on every plan set with a proposed ground disturbance of less than 1,000 square feet. The current notes may be found in the City's Storm Water Standards Manual, Part 2, Appendix E. 2.

Water pollution control plan (WPCP) requirements: A. A WPCP is required for any project which has a ground disturbance that equals or exceeds 1,000 square feet but is less than 1 acre. A separate plan sheet must be included in the plan set which correlates to the WPCP. B. A Minor Water Pollution Control Plan (MWPCP), Form DS-570, may be utilized in lieu of a full WPCP for projects that create a ground disturbance of between 1,000 and 4,999 square feet and have less than a 25-foot elevation differential over the project area. If the project qualifies for a MWPCP, please fill out Form DS-570 and scan into the plan set along with Form DS-560. D. Energy Requirements 1. Additions or Alterations All single dwelling units and duplex additions or alterations must comply with the California Energy Code (CEC), Title 24, Part 6. Several compliance methods are described in the Residential Manual and are available in the California Energy Commission website or call 1-800-772-3300. 2. Minimum Acceptable Requirements See Table 9 for the minimum acceptable requirements for the simplest method.

In addition to the Mandatory Measures summary (MF-

See Table 9 for the minimum acceptable requirements for the simplest method. In addition to the mandatory measures summary (see 18 from 601 mentioned in Section 16 C.E.C), you may complete the required Certificate of Compliance (CF-1R form) using the information in this table. Forms must be shown on the plans and stapling is not permitted. Table 9 is based on Climate Zone 7. Some areas of San Diego are in Climate Zone 10. 3. Fenestrations Manufactured fenestration (glazing) products must be labeled with certified U-factor, SHGC and infiltration certification. The rough opening and U-factor of all windows and doors with glass must also be noted on the plans (2022 Residential Compliance Manual 3.5). 4. Luminaries All luminaries installed in residential construction must qualify as "high efficacy luminaires" which, apply to all indoor and outdoor lighting attached to single family buildings (2022 Energy Standards 6.1). E. Electrical Electrical drawings are not required for single family or duplex residential projects.

The electrical system must be installed per the current edition of the California Electric Code and compliance will be verified at the time of inspection. See Figure 13 for location of smoke and carbon monoxide alarms and for exhaust fan requirements in bathrooms. F. Plumbing Plumbing fixtures shall be shown on the floor plan. Piping material must also be noted on the plans. All new plumbing fixtures must comply with the California Plumbing Code and the California Green Building Standards Code. G. Zoning and Planning The following regulations typically apply to residential additions and alterations. Please consult the City of San Diego's Municipal Code for zoning regulations that may apply to your project. Regulations SDMC Section Residential Base Zones.................................................................131.0401 Planed Districts............................................................................151.0101 Brush Management.....................................................................142.0403

Landscape......................................................................................142.0401 Environmentally Sensitive Lands...............................................143.0101 Parking...........................................................................................142.0501 Overlay Zones................................................................................132.0101 H. Historic Review 1. Historical Review - Designated Historic If the project involves any parcel containing a designated historical resource, or is located within the boundaries of an adopted historic district, plans will be required and shall be submitted for Historical Review. Please refer to Information Bulletin 581, Designated Historical Resource Review for additional Historic Review information. 2. Historical Review - Potential Historic Resource If the site contains buildings or structures 45 years old or older, and the scope includes any exterior work (except in-kind roof repair and replacement), plans and other information will be required and shall be submitted for Historical Review.

(For other potential historic review exemptions, see Municipal Code Section 143.0212). See Information Bulletin 580, Potential Historical Resource Review for supplemental submittal requirements I. Fire Sprinklers For fire sprinkler requirements, refer to Information Bulletin 124, How to Obtain a Permit for Residential Fire Sprinklers. Options for Service Plans for residential addition/remodel requires a building permit and must be submitted electronically through the online portal by selecting Building Permit. Project Fees The plan check fees are required to be paid prior to review. For your convenience, DSD offers online payments. Payment may also be made in person by cash, check, debit card, Visa or MasterCard credit cards. Checks shall be in the exact amount, drawn on US banks, and made payable to the "City Treasurer." Refer to Information Bulletin 501, Fee Schedule, Construction Permits - Structures for applicable fees. Please note that plan check fees and other administrative fees are non-refundable.

See Refund Policy noted within Refund Application Form DS-721 for additional refund information. Inspections For inspection requirements, refer to Information Bulletin 120. References • San Diego Municipal Code (SDMC) • 2022 California Residential Code (CRC) • Circuit Card, DS-1779 • Inspection Record Card, DS 1798 • "Minor" Water Pollution Control Plan (MWPCP), DS-570 • San Diego Standard Drawings Tables & Figures

Table 1 Table 2 Table 3 ALLOWABLE SPANS FOR DF #2 ROOF RAFTERS (DF-LARCH) Dead Load: up to 10/20 (Shingles/Tiles) psf Total (Including roofing) Live Load: 20 psf, L/A = 240, (T-R802.4.1(2)) ALLOWABLE SPANS FOR DF #2 CEILING JOIST (DF-LARCH) Dead Load: 10 psf Live Load: 20 psf (Light Storage) L/A = 240, (T-R802.5.1(2)) ALLOWABLE SPANS FOR DF #2 FLOOR JOIST (DF-LARCH) Dead Load: 10 psf Live Load: Floor 40 psf L/A = 360, (T-R502.3.1(2)) RAFTER SIZE SPACING ALLOWABLE SPAN (SHINGLES / TILES) JOIST SIZE SPACING ALLOWABLE SPAN JOIST SIZE SPACING ALLOWABLE SPAN 2X6 24" 11'-11" / 10'-4" 2X4 24" 7'-3" 2X6 24" 8'-3" 16" 14'-1" / 12'-7" 16" 8'-11" 16" 9'-9" 12" 15'-6" / 14'-7" 12" 9'-10" 12" 10'-9 2X8 24" 15'-1" / 13'-0" 2X6 24" 10'-8" 2X8 24" 10'-5" 16" 18'-5" / 16'-0" 16" 13'-0" 16" 12'-9" 12" 20'-5" / 18'-5" 12 15'-0" 12" 14'-2" 2X10 24" 18'-5" / 15'-11" 2X8 24" 13'-6" 2X10 24" 12'-9" 16" 22'-6" / 19'-6" 16" 16'-6" 16" 15'-7" 12" 26'-0" / 22'-6" 12" 19'-1" 12" 18'-0" 2X12 24" 21'-4" / 18'-6" 2X10 24" 16'-5" 2X12 24" 14'-9" 16" 26'-0" / 22'-7" 16" 20'-2" 16" 18'-1" 12" 26'-0" / 26'-0" 12"

23'-3" 12" 20'-11" Table 4 ALLOWABLE SPANS (BRACED/UNBRACED*) FOR DF #2 ROOF BEAMS AND HEADERS FOR EXTERIOR & INTERIOR BEARING WALLS (DF-LARCH) Max. Dead Load: 20 psf, Max Live Load:20 psf, (T-R 602.7(1)) SIZE 12-ft Building Widtha,d NTb 24-ft Building Widtha,d NTb 36-ft Building Widtha,d NTb 2-2x6 6'-0"/ 4'-3" 1 4'-7"/ 3'-2" 1 3'-10"/ 2'-8" 1 2-2x8 7'-7"/ 5'-4" 1 5'-9"/ 4'-0" 2 4'-10"/ 3'-4" 2 2-2x10 9'-0"/ 6'-9" 1 6'-10"/ 4'-9" 2 5'-9"/ 4'-4" 2 2-2x12 10'-7"/ 7'-5" 2 8'-1"/ 5'-8" 2 6'-10"/ 4'-9" 2 3-2x8 9'-5"/ 6'-7" 1 7'-3"/ 5'-1" 1 6'-1"/ 4'-3" 2 3-2x10 11'-3"/ 7'-10" 2 8'-7"/ 6'-2" 2 7'-3"/ 5'-1" 2 3-2x12 13'-2"/ 9'-3" 2 10'-8"/ 7'-1" 2 8'-6"/ 6'-0" 2 4-2x8 10'-11"/ 7'-8" 2 8'-4"/ 5'-10" 1 7'-0"/ 5'-0" 2 4-2x10 12'-11"/ 9'-0" 2 9'-11"/ 7'-0" 2 8'-4"/ 5'-10" 2 4-2x12 15'-3"/ 10'-8" 2 11'-8"/ 8'-2" 2 9'-10"/ 6'-9" 2 a. Building width is perpendicular to ridge measured to exterior walls. b. NT – Number of trimmer studs required to support each end of header. c. Braced condition: Roof plywood sheathing or rafters must directly bear and be nailed to beam or header. d.

Allowable span braced / Allowable span unbraced beam.

Table 5 CANTILEVER SPANS FOR FLOOR JOISTS a,b Max. deck dead load 10 psf, Live load 40 psf SIZE (Douglas fir-larch #2) | SPACING | CANTILEVER SPAN | UPLIFT FORCE (lbs)c 2x8 | 12" | 34" | 165 2x8 | 16" | 29" | 180 2x10 | 12" | 49" | 201 2x10 | 16" | 42" | 220 2x10 | 24" | 34" | 255 2x12 | 16" | 57" | 268 2x12 | 24" | 47" | 330 a. Ratio of backspan to cantilever span shall be not less than 2:1. b. A full-depth floor joist shall be provided at the cantilevered ends. Solid blocking shall be provided between joists over the support. c. Connection angle capable of resisting the indicated uplift force shall be provided at the backspan support. Table 6 RAFTER HEEL CONNECTION TO CEILING JOIST - ROOF LIVE LOAD 20 psf [Table R802.5.2(1)] Minimum number of 16d common nails Rafter Slope | Tie Spacing (in) | Roof Span (ft) | 12 | 20 | 28 | 36 3:12 | 16 | 5 | 8 | 10 | 13 | 24 | 7 | 11 | 15 | 19 4:12 | 16 | 4 | 6 | 8 | 10 | 24 | 5 | 8 | 12 | 15 5:12 | 16 | 3 | 5 | 6 | 8 | 24 | 4 | 7 | 9 | 12 1.

When nails are clinched, nailing may be reduced by 25 percent. 2. Roof span is measured between exterior walls Table 7 ALLOWABLE SPANS AND LOADS FOR WOOD STRUCTURAL PANEL, FLOOR & ROOF SHEATHING CONTINUOUS OVER TWO OR MORE SPANS WITH STRENGTH AXIS PERPENDICULAR TO SUPPORTS: APPLIES TO PANELS 24" OR WIDER (T-R503.2.1.1(1)) SHEATHING GRADE-STRUCT-1 | ROOF | FLOOR PANEL SPAN RATING Roof/Floor Span | MINIMUM PANEL THICKNESS (INCHES) | MAXIMUM SPAN (INCHES) | LOADS (PSF) | MAX. SPAN (INCHES) Panel edges with tongue and groove joints or with blocking | | EDGE SUPPORT | NO EDGE SUPPORT | TOTAL LOAD | LIVE LOAD | 24/0 | 3/8 | 24 | 20 | 40 | 30 |

24/16 | 7/16 | 24 | 24 | 50 | 40 | | 16 32/16 | 15/32, 1/2 | 32 | 28 | 40 | 30 | | 16 40/20 | 19/32, 5/8 | 40 | 32 | 40 | 30 | | 20 48/24 | 23/32, 3/4 | 48 | 36 | 45 | 35 | | 24 Table 8–Nailing Schedule CONNECTION (T-R602.3(1)) | FASTENING | REMARKS ROOF Blocking between joists or rafters to top plate | 3-8d (2-1/2" x 0.113") | Toe nail Ceiling joist to plate | 3-8d (2-1/2" x 0.113") | Toe nail Ceiling joist not attached to parallel rafter, laps over partitions | 4-10d (3" x 0.128") | Toe nail Collar tie rafter, face nail or 20-gage ridge strap | 3-10d (3" x 0.128") | Face nail Rafter to plate | 2-16d (3-1/2" x 0.135") | Toe nail Roof rafters to ridge, valley or hip rafters: Toe nail | 4-16d (3-1/1" x 0.135") | Toe nail Face nail | 3-16d (3-1/2" x 0.135") | End nail WALL Built-up corner studs | 10d (3" x 0.128") | 16" o.c. Built-up header two pieces with 1/2" spacer | 16d (3.5"x0.162") | 16" o.c. along each edge Continued Header two pieces | 16d (3.5"x.162) | 16" o.c. along each edge Continuous header to stud | 4-8d (2-1/2" x 0.113") | Toe nail

Double Studs | 16d (3.5"x0.128") | 12" o.c. Double top plates | 10d (3" x 0.128") | 12" o.c. Face nail Double top plates, minimum 24-inch offset of end joints, face nail in lapped area | 8-16d (3-1/1" x 0.135") | Face nail Sole plate to joist or blocking | 16d (3-1/1" x 0.135") | 12" o.c. Face nail Sole plate to joist or blocking at braced wall panels | 3-16d (3-1/1" x 0.135") | 12" o.c. Face nail Stud to sole plate | 4-8d (2-1/2" x 0.113") or 3-16d (3-1/2" x 0.135") | Toe nail Top or sole plate to stud | 3-16d (3-1/2" x 0.135") | End nail Top plates, lap at corners and intersections | 3-10d (3" x 0.128") | Face nail

FLOOR Joist to sill or girder | 4-8d (2-1/2" x 0.113") | Toe nail Rim joist to top plate (roof application also) | 8d (2-1/2" x 0.131") | 6" o.c. Toe nail Built-up girders and beams, 2-inch lumber layers | 10d (3" x 0.128") | Nail each layer as follows: 24" o.c. at top and bottoms and staggered. Two nails at ends and at each splice Ledger strip supporting joists or rafters | 4-16d (3-1/2" x 0.135") | At each joist or rafter Table 9-Title Energy Requirements-Prescriptive for Climate Zone 7 & 10 Insulation¹: Ceiling | Climate Zone 7 | R-30 | Climate Zone 10 | R-38 for Option B, R-30 for Option C Wall | Climate Zone 7 & 10 | R-13 + RB Cont. Floor | Climate Zone 7 & 10 | R-19 Roof | Climate Zone 7 & 10 | Radiant barrier is required in new roof Fenestration: Type | Dual Pane | Maximum Sq.Ft. | 20% of FA* total & | UF 0.30 or lower | 5% West Facing | SHGC 0.23 or lower Doors: Type | | No Glazing | UF .20 or lower | Glazing Door | Treated as fenestration 1. All buildings shall comply with the Quality Insulation Installation (QII) requirements in TABLE 150.1-A or B.

*The area of any glass removed, as a direct result of the room addition, may be added to 20% total. Figure 1 - Typical Raised Foundation Plan GIRDER SPACING RIB SPACING PROPOSED ADDITION FLOOR JOIST SIZE & SPACING SEE FIGURE -9 EXISTING DWELLING UNIT EXISTING BATH

Figure 2 - Floor Plan with Cross Referenced Section View WALL SCHEDULE EXISTING WALLS NEW WALLS DOOR SCHEDULE DOOR # DOOR SIZE & TYPE (X) SIZE _____ TEMPERED GLASS DOOR (X) SIZE _____ TEMPERED GLASS DOOR WINDOW SCHEDULE WIN # WINDOW SIZE & TYPE (◇) SIZE _____ SLIDER TEMPERED GLASS, DUAL GLAZE (◇) SIZE _____ SLIDER TEMPERED GLASS, DUAL GLAZE DEMOTE BUILDING SECTION (PROVIDE ONE SECTION MIN:48 EACH DIRECTION) X PROPOSED ADDITION FUTURE OPENING X X EXISTING DINING ROOM EXISTING KITCHEN EXISTING BEDROOM EXISTING DWELLING UNIT EXISTING BATH Figure 3 - Typical Roof Framing Plan BRACE WALL PANELS SCHEDULE MARK PANEL NAI EN SPACING BOLTS HOLDOWN L (X) BRACE WALL NAI NAIL ANCHOR BOLT HOLDOWN SIZE PANEL TYPE L SPACING SET AND SPACING AND LOCATION SIZE Detail Number Page Number X HEADER SIZE HOUSE SIZE ROOF RAFTER SIZE & SPACING CEILING JOIST SIZE & SPACING HOUSE SIZE HEADER SIZE (F) (F) SEE FIGURE 14 FOR VARIOUS ROOF TYPES 36" LONG STRAP AT TOP PLATE (F) VALLEY VALLEY FLAT CEILING FRAMING OVER EXISTING ROOF FRAMING KITCHEN EXISTING KITCHEN EXISTING RIDGE EXISTING BATH EXISTING BEDROOM

Figure 4 - Typical Elevations CLASS A ROOFING ASSEMBLY EXTERIOR WALL MATERIAL FASCIA TYPE DOOR & FRAME TYPE X NEW EXISTING Figure 5 - Typical Cross Section View, Slab Floor with Ceiling Joist CDX Plywood (Roof Covering and Sheathing) OVER

Pitch____: 12 (Rise : Run) Ridge Board Roof Rafter @ ___° O.C. Insulation R - X_____ Ceiling Joist @ ___° O.C. Insulation R - Floor to Ceiling Height (7' 8" minimum) 1/2" Drywall Typical 2 X ___@ ___° O.C. with 7/8" stucco over wire mesh and paper See Figure 9 Figure 6 - Typical Cross Section View, Slab Floor with Vaulted Ceiling over _____ CDX plywood (Roof covering and sheathing) Pitch____: 12 (Rise : Run) Ridge Beam Roof Rafter @ ___° O.C. Insulation R - Insulation R - Floor to Ceiling Height (7' 8" minimum) 1/2" Drywall Typical 2 X ___@ ___° O.C. with 7/8" stucco over wire mesh and paper See Figure 9 Figure 7 - Typical Cross Section View, Raised Floor with Ceiling Joist over _____ CDX plywood (Roof Covering and Sheathing) Pitch____: 12 (Rise : Run) 2 X ___ roof rafter @ ___° O.C. Insulation R - 2 X ___ Ceiling Joist @ ___° O.C. Insulation R - Floor to ceiling height (7' 8" minimum) 1/2" Drywall typical Plywood subflooor 2 X ___ Floor Joist @ ___° O.C. 2 X ___@ ___° O.C. with 7/8" stucco over wire mesh and paper Insulation R -

Figure 8 - Typical Cross Section View, Slab Floor with Shed Roof over _____ CDX plywood (Roof Covering and Sheathing) 2 X ___ roof rafter/ceiling joist combination @ ___° O.C. Min. pitch 1/4" : 12 Insulation R - Insulation R - 1/2" Drywall Typical Floor to Ceiling Height (7' 8" minimum) 2 X ___@ ___° O.C. with 7/8" stucco over wire mesh and paper Existing residence

Figure 9 - Wall Sections E.N. 8/88*psec 10" WOOD STR. PANEL W/ R2 @ 2"7/32" = 2X SOLID BLOCKING 2X ROOF RAFTERS 2X CEILING JOIST 2X4 STUD WALL @ 16"oc RAFTER TIE CONNECTION SEE TABLE 6 2X8 HEADER W/ ANCHOR BOLTS, BLOCK AND BOLT PLATE HEADER ATTACHMENT TO RAFTER (NOT APPLIED OVER SHEATHING) HEADER BRACE UNDER RAFTER SPAN 2X4 STUD WALL @ 16"oc (STD GRADE) BATT INSUL. SEE TABLE 9 WOOD STR. PANEL W/ STD GRADE 23/32" 2X PT. SILL W 1/2" X 10" A.B. @ 6" oc, 0.22" x 3" = 3 PLATE WASHERS 2X10" SOLID SLAB W/ #4 @ 18" oc EA. WAY 5 MIL VAPOR RETARDER POURED CONC. BASE 4X4 UNDIST. GROUND 2X ROOF RAFTERS 2X SOLID BLOCKING 1/2" WOOD STR. PANEL W/@ 6"1/2" E.N. 8/88*psec 2X CEILING JOISTS W/ R-30 BATT. INSUL. 2" MINIMUM CEILING JOIST/ BEAM BEARING, W/ JOIST TIE CONNECTION 2X SOLID BLOCKING W/ 2-16d NAILED FRAMING 2X4 DOUBLE TOP PLATE R-13 BATT INSUL. 2X4 STUD WALL @ 16"oc (STD GRADE) FASCIA BOARD FOR EAVE LOCATION AND CONSTRUCTION SEE NOTE 8 2X FLOOR JOIST @16" oc = 5/8" PLYWOOD @ BLOCKING @ 8" oc FOR JOIST SPANS OVER 6'-0" 2X SOLID BLOCKING 2X PT. SILL W/ ANCHOR BOLTS AND PLATE WASHERS

(2-#4 BAR, TOP & BOTTOM FOR WALL & OPENING FRAMING REQUIREMENTS SEE NOTE 6 1/2" WOOD STR. PANEL OR STUCCO SHEAR PANEL BATT INSUL. SEE TABLE 9 2X RIM JOIST 2X PT. SILL W/ ANCHOR BOLTS AND PLATE WASHERS (2-#4 BAR, TOP & BOTTOM T.O CONCRETE FINISHED GRADE 4X GIRDER 4X10 POST BASE CONN. SEE NOTE 7 4X GIRDER T.O CONC. FINISHED GRADE POURED CONC. PIER WITH BASE 12" SQ. PAD WALL SECTION: SLAB-ON-GRADE CONSTRUCTION WALL SECTION: RAISED FLOOR CONSTRUCTION NOTES 1. Anchor bolts 1/2" x 10" embedded 7" and spaced maximum 6' with 0.229" x 3" x 3" plate washers, minimum 2 anchor bolts per piece, located not more than 12" or less than 1 foot diameters from each end of the piece. 2. (a) All foundation plates or sills and sleepers on a concrete or masonry slab, which is in direct contact with the earth, and sills that rest on masonry or concrete foundations which support wood-framed walls shall be of wood treated in accordance with AWPA M1. Fasteners (other than anchor bolts) in preservative treated

wood or fire retardant treated wood shall be of hot dipped zinc coated steel or fire retardant steel. (b) Wood joist or decking where closer than 18-inches, and wood beam closer than 12-inches to exposed ground shall be pressure-treated. 3. Minimum concrete strength 2,500-psi. 4. Exterior walls, bearing walls and braced wall panels require continuous loadings. 5. 23/32" plywood required for 24" joist spacing. 6. Where interior walls are shear walls, wall framing and sheathing shall extend to the roof sheathing. 7. Footings on or adjacent to slopes shall meet the requirements of CRC Section R403.1.7. 8. For allowable opening in exterior walls, roof eave construction, and fire-resistive rating of exterior walls refer to CRC R302.1 Figure 10 - Typical Details [THIS IS FIGURE: Four small diagrams showing different structural details labeled as 25% MAX, 40% MAX, 50% MAX, and 40% MAX] EXTERIOR WALLS AND NON-BRACED PARTITIONS BEARING PARTITIONS EXTERIOR WALLS AND BEARING WALLS MAY HAVE BORED HOLES BETWEEN 40 AND 60 PERCENT WEB HEIGHT OF STANDARD AND NOT MORE THAN TWO

SUCCESSIVE DOUBLE STUDS ARE BORED DIRECTLY RIDGE IN. KITCHENS & BORINGS FLOOR JOIST, RAFTERS & CEILING JOIST: -NOTCHING NOT PERMITTED IN MIDDLE TO 2-REST SPAN -HOLES SHALL NOT BE LARGER THAN 1/3 THE DEPTH OF JOIST -HOLES SHALL NOT BE LOCATED WITHIN 2" OF A NOTCH A) Framing Member Notch and Cut HEADER (SEE TABLE 4.4.5 FOR SPAN) CONC. DOUBLE TOP PLATE SOLID BUS. 2-JALL 2X4 STUD WALL W/ PLYWOOD EDGES HEADER (SEE TABLE 4.4.5 FOR SPAN) 2X FLOOR JOIST @ 16" 2X SILL PLATE MIN 1 3/4" DIA X 3" PERFORATIONS

2 MIN. TOP & BOTTOM MIN. 2 ANCHOR BOLTS PER BRACED WALL PANEL, MAX. 6' O.C., MIN. 4" FROM EACH END OF THE PLATE SECTION HOLD DOWN EACH SIDE OF PANEL (1500 MIN. CAPACITY). BROKEN FOOTWORK REQUIRED FOR BOLT EMBEDMENT DEPTH. ⊕ WALL FRAMING Figure 11 - Lateral Bracing Information 3/4" MIN. FOR METHOD ABW 3/4" MIN. FOR METHOD WSP 1/2" MIN. FOR METHOD GB OR 5/8" MIN. FOR GB 3 WCR NOTES: 1. BRACED WALL LINES AT EXTERIOR WALLS SHALL HAVE A BRACED WALL PANEL LOCATED AT EACH END OF THE BRACED WALL LINE. 2. EXCEPTION: WHERE THE BRACED WALL LINE CANNOT BEGIN NO MORE THAN 10 FEET FROM EACH END OF THE BRACED WALL LINE PROVIDED. HEIGHT OF BRACED WALL LINE NO PENETRATIONS PERMITTED IN BRACED WALL PANELS UP TO 10' (A) BWL BWL BWL OR A MIN. OF PANEL IS APPLIED TO EACH SIDE THIS IS SIDE PANEL DOES NOT COUNT AS BRACING BRACED WALL LINE LENGTH (B) UP TO 10' METHOD WSP BRACING ONLY 29'-0" MAX. MAX OFFSET DESIGNATED BRACED 2" MAX OFFSET WALL LINE (BWL) 20'-0" MAX. 29'-0" MAX. 29'-0" MAX. BRACED WALL LINE LENGTH 1500 LBF HOLD-DOWN DEVICES REQUIRED AT

THE ENDS OF EACH BRACED WALL PANEL. 2. MIXING BRACING METHODS WITHIN A BRACED WALL LINE IS NOT PERMITTED EXCEPT THAT BRACED WALL LINES OTHER THAN 1ST SHALL HAVE A MINIMUM OF TWO BRACED WALL PANELS (T-RBS2: 15.23). 3. Abbreviations: WSP = WOOD STRUCTURAL PANEL GB = GYPSUM BOARD PCP = PORTLAND CEMENT PLASTER ABW = ALTERNATE BRACED WALL Roof/Ceiling Dead Load = 15 psf Minimum Total Length of Braced Wall Panels Required Wall Height = 10 ft Along each Braced Wall Line (ft) Braced Wall Lines Spacing = 25 ft Story Location Braced Wall Line Length Methods GB 3-d Method WSP 4 Method ABW 5 and PCP 2-d 10 8 4 1(2'-10") 20 16 5 2(2'-10") 30 24 7.5 3(2'-10") 40 32 10 4(2'-10")

50 40 12.5 5(2'-10") (a) Method GB (Gypsum Board) = 1/2-in. minimum thickness gypsum board with 1-1/2-in. galvanized roofing nail, or 1-1/4-in. drywall screw at 7-in. spacing (16-in stud spacing required). 5/8-in. minimum thickness gypsum board shall be installed on gypsum board. Maximum fastener spacing shall be 7-in. c.c. at panel edges, including top and bottom plates, and along intermediate supports. When method GB panels are applied to only one face of a braced wall panel, the minimum total (b) Method PCP (Portland Cement Plaster) = 7/8-in. minimum thickness Portland cement plaster with 1-1/2-in., 11-gauge, galvanized or equivalent fasteners at 8-in. spacing (16-in stud spacing required). 5/8-in. minimum gypsum wallboard shall be installed on the side of the wall opposite the bracing material, except when the minimum total length of braced wall panel in the Table is multiplied by a factor of 1.5. (c) Method WSP (Wood Structural Panel) = 3/8-in.

minimum thickness wood structural panel with 8d common (2-1/2-in x 0.131-in.) nails at 6-in. spacing along panel edges, 12-in. spacing at intermediate supports, and 3/8-in. distance to panel edge. 5/8-in. minimum thickness gypsum wallboard shall be installed on the side of the wall opposite the bracing material, except when the minimum total length of braced wall panel in the Table is multiplied by a factor of 1.5. (d) Method GB and PCP braced wall panel height to width ratio (h/w) shall not exceed 1:1 (e) Method ABW (Alternate Braced Wall) = 3/8" min wood structural panel with @7/12", DBL GbL, GbL sh at end w/1800 # uplift capacity holddown. Minimum length of each ABW = 2'-10" (f) Multiply required braced wall panel lengths specified in the table by 1.2 when combined Roof Ceiling Dead Load is between 15 psf and 25 psf Figure 12 - TYPICAL INFORMATION SEISMIC STRAPS TWO MIN. TAP VALVE IF FIRED TO EXTERIOR 3/4" MIN. RISE TO THREADS ALLOWED IN BOTTOM PIPING 24" MIN. ROOF SLOPE FLAT TO 6:12 FPR. MFGR. RECOMMENDATION (ISTED CAP GARAGE FLOOR

NOTE: NO OIL-FIRED WATER HEATER ALLOWED IN BEDROOMS, BATHROOMS, CLOTHES CLOSETS, OR ANY SPACE OPENING INTO A BEDROOM OR BATHROOM ⊕ WATER HEATERS (A) WATER HEATERS (B) WATER HEATERS VENT AND ACCESS REQUIREMENTS 2" CLEAR 2" CLEAR 36" CLEAR OPERABLE AREA OPERABLE

FIGURE 13 - TYPICAL INFORMATION GENERAL NOTES: MINIMUM ROOM DIMENSIONS (ATCH 4 RULES) A. AT LEASE ONE HABITABLE ROOM SHALL HAVE NOT LESS THAN 120 SF AND OTHER HABITABLE ROOMS SHALL HAVE A FLOOR AREA OF NOT LESS 75 SF B. EVERY HABITABLE ROOM SHALL NOT BE LESS THAN 7FT IN ANY HORIZONTAL DIMENSIONS C. HABITABLE SPACE AND HALLWAYS SERVING BEDROOMS AND LIVING ROOMS SHALL HAVE CEILINGS HEIGHT OF NOT LESS THAN 9 FT 8 INCHES D. EXTERIOR WALLS SHALL BE OF APPROVED NON-COMBUSTIBLE MATERIAL (RCD) E. EXTERIOR DOORS AND ALL DOORS THROUGH WHICH OCCUPANTS PASS SHALL HAVE A MINIMUM WIDTH OF 32" F. ALL LAVATORY FAUCETS SHOULD HAVE A MIN FLOW OF 1.5 GALLONS PER MINUTE (GPM) G. ALL SHOWERS SHOULD HAVE A MAX RAIN FLOW OF 2.2 GALLONS PER MINUTE (GPM) H. HOT WATER PIPING SHALL BE INSULATED WITH ALL NEW HOSE BIBS INCLUDED WITH ALL NEW HOSE BIBS I. ALL TOILETS SHOULD BE ULTRA-LOW FLUSH TOILETS J. ALL KITCHEN FAUCETS SHOULD HAVE A MAXIMUM FLOW OF 1.8 GALLONS PER MINUTE (GPM) PLAN NOTES: 1. ALL WINDOWS WITHIN 24" OF DOORS SHALL BE TEMPERED. 2. IF LESS THAN 30" ABOVE STANDING SURFACE

(INCH 4) WINDOWS AT SHOWERS & TUBS SHALL BE TEMPERED. 3. CARBON MONOXIDE ALARMS (CDA) AND SMOKE ALARMS (SA) ARE REQUIRED FOR ALTERATIONS, REPAIRS OR ADDITIONS WHERE PERMIT VALUATIONS EXCEEDS $1000. PLACEMENT SHALL BE IN ACCORDANCE WITH MANUFACT SPECS AND CARBON MONOXIDE ALARMS SHALL BE PLACED OUTSIDE AT IMMEDIATE VICINITY OF EACH BEDROOM. 4. SMOKE ALARMS SHALL BE INSTALLED IN EACH SLEEPING ROOM AND OUTSIDE THE IMMEDIATE VICINITY OF EACH BEDROOMS. 5. EMERGENCY ESCAPE/RESCUE WINDOW IN BEDROOMS 6. 1/2" GYPSUM BOARD TO ROOF OF FLOOR ABOVE. 7. DOOR SHOULD BE A SOLID CORE OR SELF CLOSING 1-3/4" THICK. DOOR OPENING TO GARAGE SHALL BE OF 1-3/4" THICK SOLID OR SOLID CORE WITH AUTOMATIC CLOSER AND SELF LATCHING HINGES. NOTE: THE GARAGE SHALL NOT OPEN INTO A SLEEPING ROOM FOR ADDITIONS & ALTERATIONS TO EXISTING STRUCTURES. 8. 9" HIGH HOAR/SORRENT SURFACE @ SHOWER WALLS (MST 2). 9. 18"24" UNDERFLOOR ACCESS. 10. 24" MIN. CLEAR IN FRONT OF TOILET. 11. BATHROOMS SHALL BE PROVIDED WITH BY CPI INTERRUPTING CIRCUITS THAT ARE GROUNDED TO THE OUTSIDE. 12. DRYER VENT 4" MIN. ID MAX.

W TWO 90 BENDS FOR METAL DUCTS & MAX. FOR FLEX DUCT CONNECTOR. 13. MECHANICAL VENTILATION SEPARATING THE DWELLING FROM THE GARAGE SHALL BE CONSTRUCTED OF A MIN. 25 GAUGE SHEET STEEL OR APPROVED MATERIAL. 14. 24" X 36" OR 32" X 48" 2 OPENINGS IN PLASTIC MIN HEADROOM OF 30" Figure 14 - Shear Transfer for Various Roof Types CALIFORNIA FILL PROPOSED ADDITION B.N. 84 @" O.C. L.N. 84 @" O.C. RIDGE BOARD ROOF RAFTER 1/2" WOOD STPL PANEL 164 @ 8" O.C. B.N. 84 @" O.C. EXISTING EXISTING PROPOSED ADDITION NEW 2x8 LOOKING W/ 2x10 LAP. EACH BUILDING B.N. 84 @ 6" O.C. ROOF RAFTER W/ FULL BEARING ON EXISTING WALL EXISTING TRUSS OR RAFTER 2x8 BLOCKING W/ BOLTS

FRAMING NEW GABLE ROOF AT EXISTING HIP ROOF NEW HIP ROOF AT EXISTING HIP ROOF EXISTING | PROPOSED ADDITION EXISTING | PROPOSED ADDITION B.N. 84 @ O.C. 164 @ O.C. B.N. 84 @ O.C. ROOF RAFTER NEW 1½" WOOD STUD PANEL 160 @ O.C. EXISTING GABLE BRACING CONTINUOUS GABLE STUD NEW 2xBLOCKING W/ 164 @ O.C. EN. 84 @ O.C. EXISTING SHEATHING/STUCCO EXISTING SHEATHING/STUCCO Figure 15 - SHEAR TRANSFERS AND MISC. Details RAFTER SPAN (SEE TABLE 5) 2X RIDGE BOARD 2X ROOF RAFTERS 2X SOLID BLOCKING 2X DOUBLE TOP PLATE 2X STUDS AT CEILING JOIST SPLICE PREVENT NAILS PER RAFTER TIE CONNECTIONS (SEE TABLE 6) BEARING PARTITION - INTERIOR SHEAR WALL CEILING JOISTS (SEE TABLE 2) RAFTER NAILED TO CEILING JOIST (SEE TABLE 8) A RAFTER SUPPORT CONSTRUCTION (SRM 2.5.1) ROOF RAFTER B.N. 16@6" O.C. ROOF RAFTER EDGE NAIL EDGE NAIL 2X BLOCKING @ CUP ANGLE @ EA. BLOCKING 2X BLOCKING @ BRACING 2X SLOPED ROOF RAFTER W/ 164 @ O.C. 2X BLOCKING @ BRACING 2X4 @ O.C. SHEAR TRANSFER BLOCKING @ CLARTY 2X BLOCKING @ CUP ANGLE @ EA. BLOCKING EDGE NAIL 2-164 NAILS EDGE NAIL 2-164 NAILS CEILING JOIST PERPENDICULAR TO ROOF RAFTERS

EDGE NAIL PARALLEL TO ROOF RAFTERS B INTERIOR SHEAR WALL AT ATTIC C GABLE BRACING 2-2 TO 4 O SLOPE W/ 2 LAYERS TYPE W BELT 4 1X OR GREATER SLOPE W/ 1 LAYER TYPE W BELT 25 GA + 1-1/4 X 36" STRAP @ 48" O.C. ROOF SHEATHING 2X ROOF RAFTERS 2X RIDGE BOARD SEE TABLE 6 FOR RAFTER CONNECTIONS D ROOF FRAMING 15-32 WOOD STRUCTURAL PANEL 4" W, 62 8-16" COMMON NAILS AT RAFTER TIE CONNECTIONS (SEE TABLE 6) B.N. 16@6" O.C. 2X4 @6" (2x) NLTD EACH LEG FRAMING EXISTING FRAMING CALIFORNIA FRAMING B.N. 16@6" O.C. UPLIFT FRAMING CLIP @ 32" MAX 2X BLOCKING @ CUP ANGLE @ EACH BLOCKING E CALIFORNIA FRAMING BRACED WALL PANEL Previous Versions of this Information Bulletin

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