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Standard Notes for Building Permits

INFORMATION BULLETIN
191
October 2026

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IN THIS BULLETIN:

The following Information Bulletin contains the most common standard notes that Development Services Department (DSD) requires to be located on building permit plans. This list is provided in order to help applicants comply with the SDMC and the California Building Standards. Note that only comments applicable to the specific project need to be added to plans.

I. Single Dwelling Units/Duplexes/Accessory Dwelling Units

Structural

Residential -Structural 

General Special Subjects

  1. Deferred Submittal (General)

  • Plans for the deferred submittal items shall be submitted in a timely manner, but not less than 30 business days prior to installation, for City review and approval.
  • The deferred submittal items shall not be installed until their design and submittal documents have been approved by the Building Official. [SDMC §129.0205]
  • The registered and responsible design professional shall review the deferred submittal documents and submit them to the Building Official, with an annotation indicating that the deferred submittal documents have been reviewed and found to be in general conformance to the design of the building. [SDMC §129.0205].

  1. Deferred Submittal (NFPA 13D Fire Sprinkler)

  • The submittal of residential fire sprinkler plans required by California Residential Code Section R309 has been deferred.
  • To avoid delays in construction, plans for fire sprinkler systems shall be submitted not less than 30 calendar days prior to installation or prior to requesting a foundation inspection. A framing/rough inspection shall not be requested prior to approval of the fire sprinkler plans.

  1. Special Inspections (if applicable to the project)

  • Notice to the Applicant/Owner/ Owner’s 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.
  • Notice to the Contractor/Builder/Installer/Sub-Contractor/Owner-Builder: By using these permitted construction drawings for the 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, as contained in the statement of special inspections and, as required by the California construction codes.
  • The special inspector must be registered by the City of San Diego, Development Services, in the category of work requiring special inspection.
  • 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.
  • The construction materials testing laboratory must be approved by the City of San Diego, Development Services, for testing of materials, systems, components and equipment.
  • Offsite fabricator must be approved by the City of San Diego, Development Services, for the fabrication of members and assemblies on the premises of the fabricator's shop.
  • A DS-311, ‘Certificate of Conformance for Off-Site Fabrication’ is required and must be submitted to the Inspection Services Division for approval prior to erection of fabricated elements. Submit it to: DSD-Sp-Insp-Reports@sandiego.gov

  1. Soils and Foundation

  • When no geotechnical investigation report is provided: 

"The structure(s) will be located entirely on undisturbed native soil."                                          

Signature ___________Owner/Licensed Engineer or Architect

  • When no geotechnical investigation report is provided: 

"As a California licensed Architect/Engineer, I have classified the undisturbed native soils to be ___________ and per Table 1806.2 of the 2025 CBC I have assigned a foundation pressure of ___________ psf. for the design of foundations related to this project."                               

Signature   ___________of Licensed Architect/Engineer

  • 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.

  1. Fire Notes

  • During construction, at least one extinguisher shall be provided on each floor level at each stairway, in all storage and construction sheds, in locations where flammable or combustible liquids are stored or used, and where other special hazards are present per CFC 3306.6.
  • Buildings undergoing construction, alteration, or demolition shall conform to CFC Chapter 33. Welding, cutting, and other hot work shall be in conformance with CFC Chapter 35.
  1. Aging-in-Place
  • Grab bar reinforcements shall comply with the following items: 
  1. Reinforcement shall be solid lumber or other approved construction materials.
  2. Reinforcement for grab bars shall not be less than 2 by 8 inch nominal lumber[1.5 inch by 7.25 inch actual dimension] or other approved construction material providing equal height and load capacity. Reinforcement shall be located between 32 inches and 39-1/4 inches above the finished floor flush with the wall framing.
  3. Water closet reinforcement shall be installed on both side walls of the fixture, or one side wall and the back wall.
  4. Shower reinforcement shall be continuous where wall framing is provided.
  5. Bathtub and combination bathtub/shower reinforcement shall be continuous on each end of the bathtub and the back wall. Additionally, back wall reinforcement for a lower grab bar shall be provided with the bottom edge located no more than 6 inches above the bathtub rim.
  • Electrical receptacle outlets, switches and controls (including controls for heating, ventilation and air conditioning) intended to be used by occupants shall be located no more than 48 inches measured from the top of the outlet box and not less than 15 inches measured from the bottom of the outlet box above the finish floor. [CRC R328.1.2]

Exceptions:

  1. Dedicated receptacle outlets; floor receptacle outlets; controls mounted on ceiling fans and ceiling lights; and controls located on appliances.
  2. Receptacle outlets required by the California Electrical Code on a wall space where the distance between the finished floor and a built-in feature above the finish floor, such as a window, is less than 15 inches.
  • Doorbell buttons or controls shall not exceed 48 inches above exterior floor or landing, measured from the top of the doorbell button assembly. Where doorbell buttons integrated with other features are required to be installed above 48 inches measured from the exterior floor or landing, a standard doorbell button or control shall also be provided at a height not exceeding 48 inches above exterior floor or landing, measured from the top of the doorbell button or control. [CRC R328.1.4]

California Residential Code

  • Ducts in the garage and ducts penetrating walls or ceilings separating the dwelling from the garage shall be constructed of minimum No. 26 gauge sheet steel or other approved material and shall have no openings into the garage.  [CRC R302.5.2].
  • Shower compartments and bathtubs with installed shower heads shall be finished with a nonabsorbent surface that extends to a height of not less than 6 feet above the floor.  [CRC R327.2].
  • Smoke alarms and smoke detectors shall be installed a minimum of 20 feet horizontal distance from a permanently installed cooking appliance. [CRC R310.3.3] 
  • Smoke alarms shall be installed not less than a 3-foot horizontal distance from the door or opening of a bathroom that contains a bathtub or shower unless this would prevent placement of a smoke alarm required by other sections of the CRC. [CRC R310.3.3] 
  • Smoke alarms and smoke detectors shall not be installed within a 36-inch horizontal path from the supply registers of a forced air heating or cooling system and shall be installed outside of the direct airflow of those registers. [CRC R310.3.3] 
  • Smoke alarms shall be interconnected so that actuation of one alarm will activate all the alarms within the individual dwelling unit.[CRC R310.3.4] 
  •  In new construction smoke alarms shall receive their primary power source from the building wiring and shall be equipped with battery backup and low battery signal.  [CRC R310.3.6] 
  • Smoke alarms shall comply with NFPA 72 and shall be listed in accordance with UL 217. [CRC R310.1.1] 
  • Combination smoke and carbon monoxide alarms shall be listed in accordance with UL 217 and UL 2034. [CRC R311.1.1] 
  • Smoke alarm systems and components shall be California State Fire Marshal listed and approved in accordance with California Code of Regulations, Title 19, Division 1 for the purpose for which they are installed. [CRC R310.1.1] 
  • Window opening control devices serving emergency escape and rescue openings shall comply with ASTM F2090. [CRC R319.1.1]

Add note on plans:  

"Window fall control device shall comply with ASTM F2090. At the emergency escape windows, the device after operation should release the control device allowing the windows to fully open providing the clear net opening area required for emergency escape window in accordance with CRC Sections R319.2.1 and R319.2.2."

 

Green Building Standards

Residential – California Green Building Standards Code

Electric Vehicle Charging

  • A listed raceway to facilitate future installation of Electric Vehicle Charger.
  • Raceway shall be not less than trade size 1 (nominal 1-in. diameter) to accommodate a dedicated 208/240-volt branch circuit.
  • Raceway shall originate at the main service or subpanel and terminate into a listed cabinet, box or other enclosure in close proximity to the proposed location of the EV charger.
  • Raceway shall be continuous at enclosed, inaccessible or concealed areas and spaces.
  • The service panel or subpanel shall provide capacity to install a 40-ampre 208/240-volt minimum dedicated branch circuit and space(s) reserved to permit installation of a branch circuit overcurrent protective device.
  • The service panel or subpanel circuit directory shall identify:

a) The overcurrent protective device space(s) for future EV charging as "EV CAPABLE"

b) The raceway termination location shall be permanently and visibly marked as "EV CAPABLE”

General Notes:

  • New residential developments with a landscape area over 500 sq. ft. shall comply with one of the following [CALGreen 4.304.1]:

1) Local water efficient landscape ordinance or current California Department of Water Resources' Model Water Efficient Landscape Ordinance (MWELO).

2) Landscape areas less than 2500 sq. ft. may comply with MWELO's Appendix D Prescriptive Compliance Option.

  • Joints and openings, annular spaces around pipes, electric cables, conduits, or other openings in plates at exterior walls shall be protected against the passage of rodents by closing such openings with cement mortar, concrete masonry or similar method acceptable to the enforcing agency. [CALGreen 4.406.1].
  • Before final inspection, a complete operation and maintenance manual shall be placed in the building. A sample of the manual is available on the Housing and community Development (HCD) web site. The manual should include the items listed in 2025 CALGreen 4.410.1.
  • Paints, stains, coatings, adhesives, sealants and caulks shall comply with the Volatile Organic Compound (VOC) limits listed in 2025 CALGreen Section 4.504.2.
  • The VOC Content Verification shall be made available to the City staff upon request.
  • All new and carpet cushions installed in the building interior shall meet the testing and product requirements of one of the following:

1) Carpet and Rug Institute's Green Label Plus Program

2) California Department of Public Health's Specification 01350

3) NSF/ANSI 140 at the Gold level

4) Scientific Certification Systems Indoor AdvantageTM Gold

  • Eighty percent of the floor area receiving resilient flooring shall comply with one or more of the following [CALGreen 4.504.4]:

1) VOC emission limits defined in the CHPS High Performance Products Database

2) Certified under UL GREENGUARD Gold

3) Certification under the Resilient Floor Covering Institute (RFCI) FloorScore Program

4) Meet the California Department of Public Health’s Specification 01350

  • New Hardwood plywood, particleboard and medium density fiberboard composite wood products used on the interior or exterior of the building shall meet the requirements for formaldehyde as specified in ARB's Air Toxics Control Measure for Composite Wood (17 CCR 93120 et seq.) as shown in Table 4.504.5.
  • Building materials with visible signs of water damage shall not be installed. Walls and floors framing shall not be enclosed when framing members exceed 19% moisture content. [CALGreen 4.505.3].

Plumbing/Mechanical

  • A plumbing fixture certification must be completed and signed by either a licensed general contractor, a plumbing subcontractor, or the building owner certifying the flow rate of the fixtures installed. A copy of the certification can be obtained from the Development Services Department.
  • All plumbing fixtures and fittings will be water conserving and will comply with the 2025 CGBSC
  • Per 2025 CGBSC, plumbing fixtures (water closets and urinals) and fittings (faucets and showerheads) shall be installed in accordance with the California Plumbing Code (CPC).
  • Provide lavatory faucets with a maximum flow of 1.2 gallons per minute (GPM).
  • Provide kitchen faucets with a maximum flow of 1.8 gallons per minute (GPM).
  • Provide water closets with a maximum flow of 1.28 gallons flush (GPF).
  • Provide shower heads with a maximum flow of 1.8 gallons per minute (GPM).
  • When a shower is served by more than one showerhead, the combined flow rate of all showerheads and/or other shower outlets controlled by a single valve shall not exceed 1.8 gallons per minute at 80 psi, or the shower shall be designed to only allow one shower outlet to be in operation at a time. Handheld showers are considered showerheads.
  • Permanent vacuum breakers shall be included with all new hose bibbs. (CPC 603.5.7)
  • Any installed gas fireplace shall be a direct-vent sealed-combustion type. Any installed woodstove or pellet stove shall comply with U.S. EPA New Source Performance Standards (NSPS) emission limits as applicable, and shall have a permanent label indicating they are certified to meet the emission limits. Woodstoves, pellet stoves and fireplaces shall also comply with applicable local ordinances.

  • Each bathroom shall be mechanically ventilated and shall comply with the following [CALGreen 4.506.1:]

    1. Fans shall be ENERGY STAR compliant and be ducted to terminate outside the building.

    2. Unless functioning as a component of a whole house ventilation system, fans must be controlled by a humidity control which shall be readily accessible. Humidity controls shall be capable of adjustment between a relative humidity range of ≤ 50 percent to a maximum of 80 percent. A humidity control may utilize manual or automatic means of adjustment.

  • Heating and Air conditioners shall be sized, designed and have their equipment selected using the following methods:

1. The heat loss and heat gain is established according to ANSI/ACCA 2 Manual J - 2016 (Residential Load Calculation), ASHRAE handbooks or other equivalent design software or methods.

2. Duct systems are sized according to ANSI/ACCA 1 Manual D - 2016 (Residential Duct Systems), ASHRAE handbooks or other equivalent design software or methods.

3. Select heating and cooling equipment according to ANSI/ACCA 3 Manual S - 2014 (Residential Equipment Selection) or other equivalent design software or methods.

  • At the time of rough installation, during storage on the construction site and until final startup of the heating, cooling and ventilating equipment, all duct and other related air distribution component openings shall be covered with tape, plastic, sheet metal or other methods acceptable to the enforcing agency to reduce the amount of water, dust and debris, which may enter the system. [CALGreen 4.504.1].

Energy

Electrical Compliance Notes for Low-Rise Residential 

Lighting Requirements

  1. Indoor Lighting

  • Single-family residential buildings subject to the Energy Codes must comply with all applicable mandatory measures,

  • All lighting control devices and systems, ballasts, and luminaires must meet the applicable requirements of § 110.9.

  • All permanently installed indoor luminaires and lighting sources shall comply with Reference Joint Appendix JA8 and shall be certified and marked as required by JA8.

  • Recessed downlight luminaire in ceilings shall not contain screw base lamp sockets as required by § 150.0(k)1B.

  • Indoor lighting controls shall be installed as required by § 150.0(k)2.

  1. Outdoor Lighting
  • All permanently installed exterior luminaires shall be high efficacy as required by § 150.0(k)1A and shall meet residential outdoor lighting requirements of § 150.0(k)3.
  1. Compliance Documentation
  • Provide complete 2025 Residential Energy Compliance Forms (CF1R, CF2R, CF3R) as applicable.

Solar Requirements

  1. Mandatory Requirements
  • Mandatory requirements for Solar Readiness shall comply to § 110.10.
  • Single-family residences located in subdivisions with 10 or more single-family residences and where the application for a tentative subdivision map for the residences has been deemed complete and approved by the enforcement agency, which do not have a photovoltaic system installed, must comply with the requirements of § 110.10(b)-(e). 110.10(a)1
  • The solar zone must have a minimum total area as described below. The solar zone must comply with access, pathway, smoke ventilation, and spacing requirements as specified in Title 24, Part 9 or other parts of Title 24 or in any requirements adopted by a local jurisdiction. The solar zone total area must be comprised of areas that have no dimension less than 5 feet and are no less than 80 square feet each for buildings with roof areas less than or equal to 10,000 square feet or no less than 160 square feet each for buildings with roof areas greater than 10,000 square feet. For single-family residences, the solar zone must be located on the roof or overhang of the building and have a total area of no less than 250 square feet. 110.10(b)1A.
  • The main electrical service panel must have a minimum busbar rating of 200 amps. § 110.10(e).
  • The main electrical service panel must have a reserved space to allow for the installation of a double pole circuit breaker for a future solar electric installation. The reserved space must be permanently marked as “For Future Solar Electric.” § 110.10(e)2
  1. Compliance Approach
  • All single-family residential buildings shall have a newly installed photovoltaic (PV) system or newly installed PV modules meeting the minimum qualification requirements specified in Joint Appendix JA11 as required by § 150.1(c)14.

Battery Requirements

  1. Mandatory Requirements
  • Battery energy storage system shall meet the requirements of § 150.0(s) and CRC Section R330 or CFC Section 1207, as applicable. 
  1. Compliance Documentation
  • Provide complete 2025 Residential Energy Compliance Forms (CF2R-PVB-02-E BESS) as applicable

Electric and Energy Requirements

  • Single-family residential building plans shall demonstrate compliance with mandatory electric ready as required in § 150.0(u)& § 150.0(v).

Mechanical/Plumbing

  1.  HVAC system loads, sizing and equipment selection shall comply with §150.0(h), including the 2025 heat pump requirements (defrost and supplemental heat controls, §150.0(h)5–9). Thermostats shall comply with §150.0(i).

  2. Ducts shall be insulated, sealed and HERS-verified for duct leakage, and air filtration provided, per §150.0(m). 

  3. Whole-dwelling unit mechanical ventilation, local exhaust (bath and kitchen range hood) and HERS airflow verification shall comply with §150.0(o). Balanced and supply-only systems, including HRV/ERV, shall have accessible air filters per §150.0(o)1Civ. 

  4. Domestic hot water pipe insulation shall comply with §150.0(j). Water heating systems shall comply with §150.0(n). 

  5. Additions and alterations shall comply with §150.2. For additions, 2025 removes the prescriptive gas water heater option (§150.2(a)1D) and requires HVAC load calculations and maximum-capacity limits (§150.2(a)1E). 

  6. Clothes dryer exhaust: rigid metal, 4 in. min., 14 ft max. including two 90° elbows (reduce 2 ft for each additional elbow); makeup air per manufacturer, min. 100 sq in opening for closet installations. (CMC 504.4, 504.4.1, 504.4.2.1)

  7. Condensate shall be collected and discharged to an approved location. (CMC 310.0; CPC 814.0)

  8. Equipment using A2L refrigerants shall be listed and installed per CMC Chapter 11 and UL 60335-2-40.

  9. Water heaters shall be strapped for seismic resistance (CPC 507.2); T&P discharge per CPC 608.5; expansion tank per CPC 608.3. 

II. Commercial Tenant Improvements (Office, Retail, Laboratory, Restaurant)

Structural

Commercial Tenant Improvement – Structural Review 

Deferred Submittals (e.g., Fire Alarm System, Fire Sprinkler System, Hood & Duct Fire-Extinguishing System, Walk-in Cooler, etc.) 

  • Plans for the deferred submittal items shall be submitted in a timely manner but not less than 30 business days prior to installation for City review and approval.
  • The deferred submittal items shall not be installed until their design and submittal documents have been approved by the Building Official. [SDMC §129.0205]
  • The registered and responsible design professional shall review the deferred submittal documents and submit them to the Building Official, with annotation indicating that the deferred submittal documents have been reviewed and found to be in general conformance to the design of the building. [SDMC §129.0205]

T-Bar Ceilings

  • The suspended ceiling lateral force-bracing members shall be located a minimum of 6 inches from all horizontal piping or duct work that are not provided with bracing restraints for horizontal forces. Cable trays and electrical conduits shall be supported independently of the ceiling. [ASCE 7-22, 13.5.6.2.2, ASTM E580 Section 5]
  • Except where rigid braces are used to limit lateral deflection, sprinkler heads and other penetrations through the ceiling tile require a minimum 2-inch rings, sleeves, or adapters that will allow a minimum 1-inch ceiling movement in all horizontal directions. Alternatively, a swing joint can be provided at the top of the sprinkler head extension to accommodate the 1-inch movement. [ASCE 7-22, 13.5.6.3]

Fire/Smoke Dampers

  • Access to fire and smoke dampers, large enough to permit inspection and maintenance of the damper and its operating parts, shall be provided. The access shall not affect the integrity nor reduce the fire-resistance rating of the fire-resistance-rated assemblies. Access points shall be permanently identified on the exterior by a label having letters not less than 0.5" in height reading: ‘FIRE/SMOKE DAMPER, SMOKE DAMPER or FIRE DAMPER.’ Access doors in ducts shall be tight fitting and suitable for the required duct construction. [CBC 717.4]
  • Fire and/or smoke damper assemblies, including sleeves, and installation procedures shall be approved by the building inspector prior to installation.

Doors

  • The force required to manually set the power-operated door in motion shall not exceed 50 pounds. The door shall swing to a full-open position when subjected to a 15-pound force applied to the door on the side from which egress is made. [CBC 1010.3.2]
  • The security grills shall remain secured in the full-open position during the period of occupancy by the public and shall be openable from the inside without the use of a key or special knowledge or effort at any time that the space is occupied. [CBC 1010.3.4]
  • Egress doors shall be readily openable from the egress side without the use of a key or special knowledge or effort. [CBC 1010.2]
  • Interior stairway means of egress doors shall be openable from both sides without the use of a key or special knowledge or effort. [CBC 1010.2.6]

Exit Signs/Illumination

  • The means of egress will be illuminated to a level of not less than one foot-candle at the walking surface at all times the building space served by the means of egress is occupied. [CBC 1008.1; 1008.2.1]
  • Exit signs shall be internally or externally illuminated at all times. Externally illuminated exit signs shall be connected to an emergency power system (batteries, unit equipment or an on-site generator) that will automatically illuminate the exit signs for a duration of not less than 90 minutes in case of primary power loss. [CBC 1013]

  • Soils and Foundation

  • When no geotechnical investigation report is provided:

The structure(s) will be located entirely on undisturbed native soil.

Signature _____________________________________________ Owner/Licensed Engineer or Architect

When no geotechnical investigation report is provided:

As a California licensed Architect/Engineer, I have classified the undisturbed native soils to be ___________ and per Table 1806.2 of the 2025 CBC I have assigned a foundation pressure of ___________ psf. for the design of foundations related to this project. ___________________________________ Signature of Licensed Architect/engineer

  • 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.

Special Inspection

  • Notice to the Applicant/Owner/Owner's 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.
  • Notice to the Contractor/Builder/Installer/Subcontractor/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.
  • The special inspector must be certified by the City of San Diego, Development Services, in the category of work required to have special inspection.
  • The construction materials testing laboratory must be approved by the City of San Diego, Development Services, for testing of materials, systems, components, and equipment.
  • 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.

Off-Site Fabrication

  • Fabricator must be approved by the City of San Diego, Development Services for the fabrication of members and assemblies on the premises of the fabricator's shop.
  • Fabricator shall submit an 'Application to perform Off-Site Fabrication' to the Inspection Services Division for approval prior to commencement of fabrication.
  • Fabricator shall submit a 'Certificate of Compliance for Off-Site Fabrication' to the Inspection Services Division prior to erection of fabricated items and assemblies.

Green Building Standards

Commercial Tenant Improvement – California Green Building Standards 

Building Materials

  • Adhesives, sealants and caulks shall meet the requirements of the following standards: [CALGreen 5.504.4.1]
  1. Adhesives, adhesive bonding primers, adhesive primers, sealants, sealant primers, and caulks shall comply with local or regional air pollution control or air quality management district rules where applicable, or SCAQMD Rule 1168 VOC limits, as shown in 2025 CALGreen Tables 5.504.4.1 and 5.504.4.2.
  2. Aerosol adhesives, and smaller unit sizes of adhesives, and sealant or caulking compounds (in units of product, less packaging, which do not weigh more than one pound and do not consist of more than 16 fluid ounces) shall comply with statewide VOC standards and other requirements, including prohibitions on use of certain toxic compounds, of California Code of Regulations (CCR), Title 17, commencing with Section 94507.
  • A letter from the contractor and or the building owner certifying what material has been used and its compliance with the Code must be submitted to the Building Inspector.
  • Architectural paints and coatings shall comply with CALGreen, Table 5.504.4.3. [CALGreen 5.504.4.3]
  • Aerosol paints and coatings shall meet the PWMIR Limits for ROC in Section 94522(a)(3) and other requirements, including prohibitions on use of certain toxic compounds and ozone depleting substances, in Sections 94522(c)(2) and (d)(2) of CCR, Title 17, commencing with Section 94520." [CALGreen 5.504.4.3.1]
  • A letter from the contractor and or the building owner certifying what paint has been used and its compliance with the Code must be submitted to the Building Inspector."

  • All carpet  installed in the building interior shall meet the requirements of the California Department of Public Health, “Standard Method for Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers”, Version 1.2, January 2017 (Emission testing method for California Specification 01350). [CALGreen 5.504.4.4] 

    1. All carpet cushion installed in the building interior shall meet the requirements of the California Department of Public Health, “Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers,” Version 1.2, January 2017 (Emission testing method for California Specification 01350).All carpet adhesive shall meet the requirements of Table 5.504.4.1. A letter from the installer certifying compliance must be submitted to the Building Inspector. [CALGreen 5.504.4.4.1] 

  • At least 80% of the floor area receiving resilient flooring shall meet the requirements of the California Department of Public Health, “Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers,” Version 1.2, January 2017 (Emission testing method for California Specification 01350). [CALGreen 5.504.4.6] 
  1. Certified under the Resilient Floor Covering Institute (RFCI) FloorScore program
  2. Compliant with the VOC-emission limits and testing requirements specified in the California Department of Public Health's 2010 Standard Method for the Testing and Evaluation Chambers, Version 1.1, February 2010
  3. Compliant with the Collaborative for High Performance Schools California (CA-CHPS) Criteria Interpretation for EQ 7.0 and 7.1 dated July 2012 and listed in the CHPS High Performance Product Database
  4. Products certified under UL GREENGUARD Gold

Fixture Flow Rates

  1. Lavatory faucets in nonresidential buildings shall not exceed 0.5 gpm at 60 psi. Metering faucets shall not deliver more than 0.20 gallons per cycle. [CALGreen 5.303.3.4.1; 5.303.3.4] 
  2. Each faucet shall not exceed a water flow of 1.8GPM. 
  3. Wall mounted urinals shall no exceed 0.125 g.p.f. and floor mounted urinals shall not exceed 0.5 g.p.f.
  4. Toilets shall be ultra-low flush type (1.28 g.p.f. max.).
  5. Each showerhead shall not exceed a water flow of 1.8 GPM
  6. When a shower is served by more than one showerhead, the combined flow rate of all the showerheads and/or other shower outlets controlled by a single valve shall not exceed 1.8 gallons per minute at 80 psi, or the shower shall be designed to allow only one shower outlet to be in operation at a time. [CAL Green Section: 5.303.3.3.2].

HVAC, Insulation, Refrigeration, Commissioning

  • The permanent HVAC system shall only be used during construction if necessary to condition the building or areas of addition or alteration within the required temperature range for material and equipment installation.  If the HVAC system is used during construction, use return air filters with a Minimum Efficiency Reporting Value (MERV) of 13, based on ASHRAE 52.2. Replace all filters immediately prior to occupancy, or, if the building is occupied during alteration, at the conclusion of construction.. (CAL Green Section: 5.504.1)
  • At the time of rough installation and during storage on the construction site until final startup of the heating, cooling and ventilating equipment, all duct and other related air distribution component openings shall be covered with tape, plastic, sheet metal or other methods acceptable to the enforcing agency to reduce the amount of dust, water and debris which may enter the system. (CAL Green Section: 5.504.3)
  • In mechanically ventilated buildings, regularly occupied areas of the building shall be provided with air filtration media for outside and return air that provides at least a Minimum Efficiency Reporting Value (MERV) of 13.  MERV 13 filters shall be installed prior to occupancy, and recommendations for maintenance with filters of the same value shall be included in the operation and maintenance manual. (CAL Green Section: 5.504.5)
  • For buildings or additions equipped with demand control ventilation, CO2 sensors and ventilation controls shall be specified and installed in accordance with the requirements of California Energy Code, Section 120.1(c)(4). (CAL Green Section: 5.506.2)
  • Wall and roof-ceiling assemblies exposed to the noise source making up the building or addition envelope or altered envelope shall meet a composite STC rating of at least 50 or a composite OITC rating of no less than 40, with exterior windows of a minimum STC of 40 or OITC of 30 if located within the 65 CNEL noise contour of an airport or within the 65 CNEL or Ldnnoise contour of a freeway or expressway, railroad, industrial source or fixed-guideway source as determined by the Noise Element of the General Plan. (CAL Green Section:  5.507.4.1)
  • Installations of HVAC, refrigeration and fire suppression equipment shall comply with Sections 5.508.1.1 and 5.508.1.2.   HVAC, refrigeration and fire suppression equipment shall not contain Chlorofluorocarbons (CFCs) and shall not contain Halons (Section: 5.508.1.1).
  • Provide the building owner or representative with detailed operating and maintenance instructions and copies of guaranties/warranties for each system.  O&M instructions shall be consistent with OSHA requirements in CCR, Title 8, section 5142, and other related regulations (CAL Green Section: 5.410.4.5).
  • Disposer shall either modulate the use of water to no more than 1 GPM when the disposer is not in use or shall automatically shut off after no more than 10 minutes of inactivity.  Disposers shall use no more than 8 GPM of water.
  • Installed filters shall be clearly labeled by the manufacturer indicating the MERV rating (CAL Green Section: 5.504.5.1)
  • A complete report of commissioning process activities undertaken through the design, construction, and reporting recommendations for post-construction phases of the building project shall be completed and provided to the owner or representative.

Irrigation

  • Irrigation systems shall be designed and maintained to prevent spray on structures. [CALGreen 5.407.2.1]

Energy

Commercial Tenant Improvement – Nonresidential Energy

  1. General

  • All Envelope and Mechanical Certificate of Acceptance forms and all related acceptance documents shall be submitted to the field inspector during construction.  Certificate of Occupancy will not be issued until these forms are reviewed and approved.
  • MCH-04-A form for duct leakage sealing and testing shall be submitted to the field inspector during construction. Certificate of Occupancy will not be issued until these forms are reviewed and approved.

  1. Mandatory Measures

  • Insulation material shall meet the California quality standard per Section 110.8 CEC.
  • Doors and windows shall meet the minimum infiltration requirements per Sections 110.6 and 110.7 CEC.
  • All piping and duct work shall be insulated consistent with the requirements of Sections 120.3, 120.4 and 120.7 Title 24 CEC and Chapter 6 of CMC.
  • All HVAC systems shall meet the control requirements per Section 110.2 and 120.2 CEC
  • All HVAC equipment and appliances (Non-Res) shall meet the requirements of Chapter 2 and 3 of CEC.
  • All HVAC equipment and appliances (MDU) shall meet the requirements of Chapter 2 and 10 of CEC.
  • Kitchen ventilation systems shall meet the requirements of Section 110.2, 120.6 and 120.8 CEC

  1. Refrigeration warehouse

  • A refrigerated warehouse with total cold storage and frozen storage area of 3,000 square feet or larger shall meet the requirements of Section 120.6 (a) of the Building Energy Efficiency Standards.
  • If Refrigerated space is < 3,000 square feet: Refrigerated space shall meet the Appliance Efficiency Regulations (Title 20) for walk-in refrigerators or freezers.

Electrical Compliance Notes for Non-Residential 

Lighting Systems and Equipment, and Electrical Power Distribution Systems-General.

Lighting, controls and equipment shall meet mandatory measures of Section 110, 120, 130 and 140.

  1.  Indoor Lighting 

  • Each enclosed space shall have manual ON/OFF lighting control, Section 130.1(a).
  • Lighting shall be independently controlled by space, Section 130.1(a)1.
  • Multilevel lighting required for indoor lighting, Section 130.1(b).
  • Automatic shutoff required for indoor lighting, Section 130.1(c).
  • Occupancy sensors required per, Section 130.1(c)5,6,7.
  • Daylighting controls required per, Section 130.1(d).
  • Demand responsive controls shall meet requirements of Section 130.1(e).
  • Lighting power density (LPD) shall not exceed allowed power density (LPD) per, Section 140.6.
  • Control shall turn lighting off when sufficient daylight is available, Section 130.1(c)1.

  1. Compliance Documentation

  • All installed systems shall match approved Title-24 compliance documentation (NRCC forms).
  • Provide Certificate of Acceptance (NRCA) and Installation (NRCI) prior to final inspection.

  1. Outdoor Lighting

  • Outdoor lighting shall comply with California Energy Code Title24 Part 6, Section 130.2 and 140.7
  • All luminaires shall be high efficacy (LED or equivalent).
  • All outdoor lighting shall be automatically shut off during daylight hours, Section 130.2
  • Controls shall be via photocell, astronomical time switch, or energy management system, Section 130.2(c).
  • Luminaire shielding requirements (BUG) shall meet energy code of Section 130.2(b).
  • Lighting power allowance shall not exceed allowed power based on Section 140.7.
  • Motion sensor/occupancy control for parking shall meet requirements of Section 130.2(c)3.

  1. Compliance Documentation

  • Provide complete 2025 Nonresidential Compliance Forms (NRCC, NRCA, NRCI) as applicable.

  1. Sign Lightning

  • Internally, externally signs shall be automatically controlled and meeting requirements of Section 130.3.

  1. Electrical Power Distribution Systems

  • Controlled receptacles required in offices and workstations, Section 130.5(d)
  • Electrical service or feeder shall have a permanently installed metering system, Section 130.5(a).
  • Load shall be aggregated for each separate load type, Section 130.5(b).
  • Voltage drop shall not exceed 5 percent for combined feeder and branch circuit conductors.

Solar Requirements 

  1. Mandatory Requirements

  • Mandatory requirements for Solar Readiness shall comply to Section 110.10.
  • Inverters shall be listed to UL 1741 and comply with the grid interconnection requirements of California Electrical Code Section 705.
  • All newly constructed building types specified in Table 140.10-A shall have a newly installed Photovoltaic (PV) system meeting the requirements of Section 140.10(a).
  • SARA Calculation shall be met as per Section 140.10(a)1.
  • Solar Zone Area for Nonresidential Buildings shall meet the requirements of Section 110.10 and 140.10.

  1. Compliance Approach

  • Provide complete 2025 Nonresidential Compliance Forms (NRCC-SAB-E) as applicable.

Battery Requirements

  1. Mandatory Requirements

  • All buildings that are required by Section 140.10(a) to have a PV system shall also have a BESS meeting the minimum qualification requirements of Reference Joint Appendix JA12.
  • The battery energy storage system shall be tested in accordance with the applicable requirements given in UL1973 and UL9540. Energy storage systems shall comply with CRC Section R330 or CFC Section 1207, as applicable. 
  • The rated energy capacity shall be determined using Equation 140.10 B, C, D.

  1. Compliance Documentation

  • Provide complete 2025 Nonresidential Energy Compliance Forms (NRCC-SAB-E) as applicable

Fire/Life Safety

Commercial Tenant Improvement – Fire and Life Safety 

  1. Fire Notes
  • Buildings undergoing construction, alteration, or demolition shall conform to CFC Chapter 33 and SDFD Guidelines available at the following link:
  • https://www.sandiego.gov/sites/default/files/2024-01/firesafconsdemo.pdf. 
  • Locations and classifications of extinguishers shall be in accordance with CFC 906 and California Code of Regulations (CCR), Title 19.
  • During construction, at least one extinguisher shall be provided on each floor level at each stairway, in all storage and construction sheds, in locations where flammable or combustible liquids are stored or used, and where other special hazards are present per CFC Section 3306.6.
  • In buildings that require standpipes, standpipes shall be provided prior to construction exceeding 40 feet in height above the lowest level of fire department vehicle access. As construction progresses, such standpipes shall be extended to within one floor of the highest point of construction having secured decking or flooring. [CFC Section 3307.5 ] 
  • A water supply providing a minimum flow of 500 gallons per minute shall be provided. The fire hydrant used for this water supply shall be located within 100 feet of the FDC supplying the standpipe. A fire department connection shall be no more than 100 feet from available fire department vehicle access roadways. [CFC Section 3307.4] 
  • Welding, cutting, and other hot work shall be in conformance with CFC Chapter 35 and SDFD Guidelines.
  • Address identification shall be provided for all new and existing buildings in a location that is plainly visible and legible from the street or road fronting the property. Where access is by way of a private road and the building address cannot be viewed from the public way, an approved sign or means shall be used to identify the structure. While under construction, alteration, or demolition, buildings shall have approved address numbers placed in a position to be plainly legible and visible from the street or road fronting the property. Premises identification shall conform to CBC Section 502.1. [CFC 505]
  • Wall, floor and ceiling finishes and materials shall not exceed the interior finish classifications in CBC Table 803.13 and meet the flame propagation performance criteria of CCR Title 19, Division 1. 
  • Key boxes shall be provided for all high-rise buildings, pool enclosures, gates in the path of firefighter travel to structures, secured parking levels, doors giving access to alarm panels and/or annunciators, and any other structures or areas where access to an area is restricted and shall be installed per CFC Section 506 and SDFD FPB Policy K-20-2, Knox Box Requirements and Procedure for Ordering, available at the following link: https://www.sandiego.gov/sites/default/files/knox.pdf.
  • Dumpsters and trash containers with an individual capacity of 1.0 cubic yards or more shall not be stored in buildings or placed within 5 feet of combustible walls, openings or combustible roof eave lines unless protected by an approved sprinkler system or located in a Type I or IIA structure separated by 10 feet from other structures. Containers with an individual capacity of 1.0 cubic yard or more shall be of non- or limited-combustible materials or similarly protected or separated. [CFC 304.3]
  • Exits, exit signs, manual fire alarm boxes, standpipe outlets and fire extinguisher locations shall not be concealed by curtains, mirrors, or other decorative material. [CFC 806.1.4, CCR Title 19, 3.08]
  • Open flames, fire, and burning on all premises is prohibited except as specifically permitted by the City of San Diego and CFC Section 308.
  • The egress path shall remain free and clear of all obstructions at all times. No storage is permitted in any egress paths. [CFC 1032; CCR Title 19, 3.11]
  1. Fire Sprinklers 
  • Complete plans and specifications for all fire extinguishing systems, including automatic sprinkler and standpipe systems and other special fire extinguishing systems and related appurtenances shall be submitted to the City of San Diego for review and approval prior to installation. [CFC 901.2]
  1. Fire Alarms 
  • Complete plans and specifications for fire alarm systems and dedicated function systems (e.g., fire sprinkler monitoring systems, elevator function control systems, etc.) shall be submitted to the City of San Diego Development Services for review and approval prior to installation. [CFC 907.1.1]
  1. Commercial Kitchens
  • An automatic fire extinguishing system shall be provided to protect commercial-type food heating equipment that produce grease-laden vapors and shall comply with the 2025 CFC, 2025 CMC, and 2024 Edition of NFPA 17A. Nozzle height, location, type, flow capacity, etc. are very specific, so the existing fire-extinguishing system needs to be modified when re-arranging / modifying the cooking equipment line-up. Review and approval of a hood and duct extinguishing system plan is required prior to installation or use of cooking equipment. [CBC 904.14; CFC 901.2]
  1. Fire Access
  • All fire apparatus access roads will be capable of supporting the imposed load of at least 75,000 lbs. and will not exceed a grade of 15% for concrete or 12% for asphalt.  All features of the fire access roads including turning radius and dead-end design will be in accordance with CFC 503, Appendix D, and SDFD FPB Policy A-14.1, Fire Access Roadways, available at the following link: https://www.sandiego.gov/sites/default/files/legacy/fire/pdf/access.pdf.

Accessibility

Commercial Tenant Improvement – Accessibility

Detectable Warnings

  • Detectable warning surfaces shall be yellow and approximate 33538 of SAE AMS-STD-595A. [CBC 11B-705.1.1.5]
  • At existing installed detectable warnings at curb ramps, islands or cut-through medians may comply with Section 11B-705.1.1.3.2 (Visual Contrast) in lieu of Section 11B-705.1.1.3.1 (Yellow Color). [CBC 11B-705.1.1.3, Exception-2]
  • Only approved DSA-AC detectable warning products and directional surfaces shall be installed as provided in the California Code of Regulations (CCR), Title 24, Part 1, Chapter 5, Articles 2, 3 and 4. Refer to CCR Title 24, Part 12, Chapter 11B, Section 12-11B.205 for building and facility access specifications for product approval for detectable warning products and directional surfaces. [CBC 11B-705.3]

Doors, Doorways, Gates

  • The force required to activate operable parts of all interior hinged doors and gates, sliding or folding doors, and exterior hinged doors shall be 5 pounds maximum. The force required to activate operable parts of required fire door should not exceed 15 pounds. [CBC 11B-404.2.9]
  • Adjust door closers and gate closers so that from an open position of 90 degrees, the time required to move the door to a position of 12 degrees from the latch is 5 seconds minimum. [CBC 11B-404.2.8.1]
  • Adjust door and gate spring hinges so that from the open position of 70 degrees, the door or gate move to the closed position in 1.5 seconds minimum. [CBC 11B-404.2.8.2]

Existing Buildings and Facilities

  • I am the designer/owner responsible for this tenant improvement project.  I have inspected the site/premises and determined that existing conditions are in full compliance with current site accessibility requirements to the extent required by law.

Print Name: _______________, Signature: ________________, Date: ___________________.

  • I am the designer/owner responsible for this tenant improvement project.  I have inspected the toilet and bathing facilities for men and women and determined that existing conditions are in full compliance with current accessibility requirements to the extent required by law. 

Print Name: _______________, Signature: ________________, Date: ___________________.

  • If the City Building Inspector determines noncompliance with any accessibility provisions, complete and detailed revised plans clearly show all existing non-complying conditions and the proposed modifications to meet current accessibility requirements (including site plan, floor plans, details, etc.) will be submitted to the department for review and approval.
  • I am the tenant/designer owner/ in responsible charge of this tenant improvement.  I certify that no alterations/remodels have been undertaken in this tenant space and /or a different area on the same path of travel over the last three (3) years. 

Print Name: _______________, Signature: ________________, Date: ___________________.

Kitchen/Kitchenettes/Wet Bars/Sinks

  • Water supply and drainpipes under lavatories and sinks shall be insulated or otherwise configures to protect against contact.  There shall be no sharp or abrasive surfaces under lavatories and sinks. [CBC 11B-606.5]

Operable Parts

  • Operable parts shall be operable with one hand and shall not require tight grasping, pinching, or twisting of the wrist. The force required to activate operable parts shall be 5 pounds maximum. [CBC 11B-309.4]

Ramps and Handrails

  • Ramp handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or abrasive elements and shall have rounded edges. [CBC 11B-505.8]
  • Ramp handrails shall not rotate within their fittings. [CBC 11B-505.9]
  • Ramp handrail extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent ramp run. [CBC 11B-505.10.1]

Stairways and Handrails

  • Stairway handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or abrasive elements and shall have rounded edges. [CBC 11B-505.8]
  • Stairway handrails shall not rotate within their fittings. [CBC 11B-505.9]
  •  Stairway handrail extensions at top and bottom of a stair flight shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight. [CBC 11B-505.10.2; 11B-505.10.3]

Toilet and Bathing Facilities

  • Doors to unisex (single-user or family) toilet rooms and unisex (single-user or family) bathing rooms shall have privacy latches. [CBC 11B-213.2.1]
  • Flush controls of accessible water closets shall be located 44 inches maximum above the floor on the open side of the wheelchair accessible water closet. [CBC 11B-604.6]
  • Hand operated flush control of accessible urinals shall be mounted at a maximum height of 44 inches above finish floor. [CBC 11B-605.4]
  • Faucet controls of accessible lavatories shall be operable with one hand and shall not require tight grasping, pinching, or twisting of the wrist. [CBC 11B-606.4, 11B-309.4]
  • Hand-operated metering faucets of accessible lavatories shall remain open for a minimum of 10 seconds. [CBC 11B-604.4]
  • Water supply and drainpipes under lavatories and sinks shall be insulated. There shall be no sharp or abrasive surfaces under lavatories or sinks. [CBC 11B-606.5]
    • Grab bars and any wall or other surfaces adjacent to grab bars shall be free of sharp or abrasive elements and shall have rounded edges. Grab bars shall not rotate within their fittings. [CBC 11B-609.5; 11B-609.6]

Mechanical

Commercial/MDU Tenant Improvement – Mechanical

  1. HVAC

  • If there is no new HVAC equipment but there is new ductwork: 
  • All HVAC equipment are existing to remain.
  • Materials exposed within a duct or plenum shall comply with Section 602.2 CMC.
  • Exhaust ducts shall be equipped with back-draft dampers per Sec. 504.1.1 CMC.
  • Add note, on plans: "The closet (closet located in the bathroom) where the central heating furnace is installed shall be equipped with a listed, gasketed door assembly and a listed, self-closing device.  The self-closing door assembly shall meet the requirements of Section 904.2 CMC.  The door assembly shall be installed with a threshold and bottom door seal and shall meet the requirements of Section 904.2.2 CMC.  The closet shall be for the exclusive use of the central heating furnace."   Show that all combustion air for such installation shall be obtained from the outdoors.
  • Routing and termination of flue and combustion air intake for each heating unit shall comply with Ch. 8 and CH 7 of CMC and with manufacturer's specifications.  Provide manufacturer's specifications and installation instructions to verify compliance.

  1. Clothes Dryers

  • Dryer vents shall be equipped with back-draft dampers per Section 504.1.1 CMC.
  • Exhaust duct for type I dryers shall comply with section 504.4.2 CMC.
  • Exhaust duct for type II dryers shall comply with section 504.4.3 CMC.
  • Multiple installations of type 2 clothes dryers shall be made in a manner to prevent adverse operation due to back pressures that are capable of being created in the exhaust systems per section 504.4.3.1 (6) CMC.
  • Type 2 clothes dryers shall be equipped or installed with lint controlling means per CMC 504.4.3.1(3)

  1. Food Establishments

  • Electrical interlock between makeup air and exhaust shall be provided.
  • Upblast exhaust fans shall be hinged and chained for cleaning of vertical duct per section 511.1.1 CMC.

  1. Solid fuel cooking equipment:

  • Solid fuel cooking operations shall have spark arrester devices to minimize the entrance of airborne sparks and embers into the grease removal device and into the hood and duct system. (Sec. 517.1.6 CMC.)
  • Makeup air systems serving solid-fuel cooking operations shall be interlocked with the exhaust air system and powered, where necessary, to prevent the space from attaining a negative pressure while the solid-fuel appliance is in operation. (Sec. 517.6.2 CMC.)

  1. Pollution control unit

  • Pollution control unit (PCU-___) shall be installed in accordance with Sec. 512.3 CMC and with the system manufacturer's specifications and installation instructions.
  • Air pollution control device shall be provided with an approved automatic fire-extinguishing system for the protection of the component sections of the equipment and shall include protection of the ductwork downstream of the equipment, whether or not the equipment is provided with a damper. (NFPA 96:9.3.3 - 9.3.4)
  • Filter media used in secondary filtration or air pollution control units and not in accordance with Section 509.2.3 CMC shall have fire protection that is adequate for the filter media being used in accordance with the fire-extinguishing system manufacturer's instructions.  If the equipment can be a source of ignition, it shall be provided with appropriate detection to operate the fire-extinguishing system. (NFPA 96, 9.3.3 - 9.3.4)

  1. Type II Hood 

  • Duct material and gage for Type II hood shall comply with Ch. 6 CMC.

  1. Product conveying systems

  • Product Conveying Hood and Duct materials shall be suitable for the intended use as per CMC Sections 505.1 and 506.1.
  • Product Conveying ducts that are served by a common exhaust system shall handle compatible materials and separate and distinct systems shall be provided for incompatible materials (CMC Section 505.0).
  • Ducts conveying explosives or flammable vapors, fumes or dusts shall extend directly to the exterior of the building without entering other spaces and shall not extend into or through ducts and plenums (CMC Section 505.1).

  1. Fireplaces

  • Listed vented fireplaces shall be installed in accordance with their listing and the manufacturer's instructions and where installed in or attached to combustible material shall be specifically listed for such installation. [NFPA 54:10.7.2(1)]
  • Where all combustion air is provided by a mechanical air supply system, the combustion air shall be supplied from outdoors at the minimum rate of not less than 0.35 cubic feet per minute per 1000 Btu/h [0.034 (m3/min)/kW] for all appliances located within the space.
  • Panels, grilles, and access doors that are required to be removed for normal servicing operations shall not be attached to the building. [NFPA 54:10.7.2(3)]
  • Direct-vent gas fireplaces shall be installed with the vent-air intake terminal in the outdoors and in accordance with the manufacturer's instructions. [NFPA 54:10.7.2(4)]

  1. Boiler

  • Provide an expansion tank for Boilers per CMC Section 1004.0.

  1. Cooling Towers

  • Plume discharge shall be at least twenty-five (25) feet away from any ventilation inlet to a building. (CMC Sec 1123.1)

  1. Parking Garage ventilation

  • When automatic carbon monoxide and nitrogen dioxide sensing devices are used for detection of vehicle operation or the presence of occupants for a garage exhaust system that operates intermittently:--- Add note, on plans: "The automatic carbon monoxide and nitrogen dioxide sensing devices shall be used to modulated the ventilation system to maintain a maximum average concentration of carbon monoxide of 50 parts per million, or 1 part per million nitrogen dioxide during any eight-hour period with a maximum concentration not greater than 200 parts per million for carbon monoxide, or 5 part per million nitrogen dioxide for a period not exceeding 15 minutes." (CMC 403.7.2(2)

Plumbing

Commercial/MDU Tenant Improvement – Plumbing

 

  1. Drainage Waste and Vent

  • Backwater valve shall be installed on the downstream of plumbing fixtures that are located on a floor level that is lower than the next upstream manhole cover of the public or private sewer system per CPC section 710.1 and subject to field inspection approval.
  • Each fixture trap shall have a protecting vent so located that the developed length of the trap arm from the trap weir to the inner edge of the vent shall be within the distance given in Table 1002.2 CPC, but in no case less than two times the diameter of the trap arm.
  • A slope of not less than 1/8 inch per foot or 1 percent is provided for drainage piping 4 inches or larger only where it is impractical due to the depth of the street sewer, to the structural features, or to the arrangement of a building or structure to obtain a slope of 1/4 inch per foot or 2 percent and that is subject to the City of San Diego plumbing field inspector's approval per section 708.1 CPC.
  • Building drain and vent piping materials shall comply with CPC Table 701.2 and section 903.0.
  • All sanitary system materials shall be listed by an approved listing agency.
  • Per CPC 905.3, each vent shall rise vertically to a point not less than six (6) inches above the flood-level rim of the fixture served before offsetting horizontally or before being connected to any other vent.
  • Per CPC 905.3, vents less than six (6) inches above the flood-level rim of the fixture shall be installed with approved drainage fittings, material, and grade to the drain.
  • Venting for island sinks shall comply with Sec. 909.0 CPC.

  1. Gas Piping

  • Label medium pressure gas every five feet.
  • Label high pressure gas every five feet.
  • Natural gas piping systems higher than 5 psi must be installed per the conditions of CPC 1208.5 (Items 1 - 6), Maximum Design Operating Pressure.
  • Natural gas piping with pressure higher than 5 psi shall not be installed within any residential building.
  • All valves shall be listed by either UL or AGA for their intended use.
  • All regulator shut-off valves serving natural gas piping systems shall be labeled with the proper pressure for each portion of the piping system.

  1. Water Heater

  • A water heater pressure and temperature relief drain that terminates outside the building shall comply with Section 608.5 CPC.
  • Provide expansion tank or other approved method of relieving pressure per Section 608.3 CPC.
  • If applicable, Water heater (WH-       ) is a listed, non-storage, instantaneous heater having an inside diameter of not more than 3 inches. 
  • Water heater shall be anchored or strapped to resist horizontal displacement due to earthquake motion per Section 507.2 CPC.
  • A watertight pan of corrosion-resistant material shall be provided underneath the water heater located in an attic, attic-ceiling assembly, floor-ceiling assembly or floor-subfloor assembly per sec 507.5 CPC.

  1. Water System

  • Permanent vacuum breakers shall be included with all hose bibs per CPC section 603.5.7.
  • Showers and tub-shower combinations shall be provided with mixing valves per Section 408.3 CPC.            
  • Cross connection protection shall be provided at all potable water supplied appliances and equipment per section 603 CPC.
  • Onsite built-up shower receptor shall comply with section 408.7 CPC.

  1. OSHPD-3

  • Drainage piping over operating and delivery rooms, nurseries, food preparation, serving and storage areas shall be kept to a minimum and shall not be exposed. Special precautions shall be taken to protect these areas from possible leakage. (CPC Sec 310.9)
  • Faucets for lavatories and kitchen sinks shall not be equipped with aerators. (CPC Sec 210.0 (c))
  • High Temp Alarms set at 125 Degree F shall be provided downstream of temp control valves, where hot water is originally generated at temperatures exceeding 125 Deg F. (CPC Sec 613.7)
  • Sinks fixtures shall not be equipped with aerators. The water discharge point shall be five inches above the fixture rim.  Fixtures shall be equipped with hot and cold water supplies not requiring direct contact of the hands for operation (Wrist or elbow blades are not acceptable). (402.5, 402.7, Table 4-2).
  • Clinic sink fixtures shall be rim flushing with an integral 5-inch trap in which the upper position of a visible trap seal provides a water surface and shall be equipped with a flush-o-meter valve and hot and cold water supplies. (CPC Table 4-2 Footnote 4)
  • Water storage tanks shall be fabricated of corrosion-resistant materials or lined with corrosion-resistant materials. (CPC Sec 613.4)
  • At fixtures where water exceeding 125 Degree F is accessible to patients or personnel, warning signs in letters at least two inches high shall be posted above fixtures. (CPC Sec 613.7)
  • Dialysis water distribution systems shall comply with the requirements of Section 614.0 of the CPC.
  • Identification of potable and non-potable water pipes and outlets shall comply with Section 615.0 of the CPC.

  1. On-site Treated Gray Water

  • An operation and maintenance manual, as described in CPC Section 1501.6, shall be provided to the homeowner. Directions shall indicate the manual is to remain with the building throughout the life of the system and upon change of ownership or occupancy.

  1. Pedicure Chairs & Similar Fixtures

  • Every hot and cold-water supply for each pedicure chair or similar fixture shall be protected by an approved Reduced Pressure Principle Back Flow Preventer.

  1. Food Handling Establishments

  • Installation of soil or drainpipes in Food Handling Establishments will comply with Section 317.0 CPC.

  1. Cold Plunge

  • Cold plunge shall discharge to an approved indirect waste receptor through a minimum air gap. The indirect waste receptor shall be trapped and vented and connected to the building sanitary drainage system.

 III. Wildland Urban Interface

Wildland Urban Interface

Wildland-Urban Interface (WUI)

  • Gutters and downspouts shall be constructed of noncombustible material. Gutters shall be provided with an approved means to prevent the accumulation of leaves and debris in the gutter. [CWUIC 504.4]
  • Drip edge flashing used at the free edges of roofing materials shall be non-combustible. [SDMC §512.0504(a)]
  • Glazing frames made of vinyl materials shall have welded corners, metal reinforcement in the interlock area, and be certified to the most current edition of AAMA/WDMA/CSA 101/I.S.2/A440-22 structural requirements. [SDMC §512.0504(b)]
  • Valley flashings shall be not less than 0.019-inch (No. 26 galvanized sheet gage) corrosion-resistant metal installed over a minimum 36-inch-wide underlayment consisting of one layer of 72-pound mineral-surfaced, nonperforated cap sheet complying with ASTM D3909 running the full length of the valley. [CWUIC 504.2.2]
  • Chimneys serving fireplaces, barbecues, incinerators or decorative heating appliances or other solid or liquid fuel burning equipment or device in which solid or liquid fuel is used, shall be provided with a spark arrestor. Spark arrestors shall be constructed of woven or welded wire screening of 12 USA standard gage wire (0.1046 inch) having openings not exceeding ½ inch. [SDMC §512.0605(a)]