Technical Bulletins are published periodically to clarify the Department's application and interpretation of code requirements; policies and procedures. The following Technical Policies are filed by a sequential numbering system based on the applicable code and chapter.
- Information Bulletins by Number
- Information Bulletins by Subject
- Information Bulletins Related to Fee Schedules
- Virtual DPI - A visual guide to Development and Permit Information Bulletins
|BLDG-3-1||Occupancy Classification of a Building with Assembly Use|| Occupancy Classification of a Building with Assembly Use
The purpose of this Technical Bulletin is to clarify the occupancy classifications of a building or portion thereof that has spaces used for assembly purposes.
|BLDG-3-4||Return Air Duct Through Garage/Dwelling Separations|| Return Air Duct Through Garage/Dwelling Separations
The purpose of this Technical Bulletin is to clarify construction requirements for plenums used as return air for forced air units (FAUs).
|BLDG-4-1||Fire Separation Requirement for Parking Under Overhang|| Fire Separation Requirement for Parking Under Overhang
The purpose of this Technical Bulletin is to describe fire resistive separation requirements when a residential occupancy cantilevers over a parking space.
|BLDG-5-4||Determination of Building Height in the Coastal Height Limitation Overlay Zone|| Determination of Building Height in the Coastal Height Limitation Overlay Zone
The purpose of this Technical Bulletin is to illustrate how building height is determined for buildings and structures located in the Coastal Height Limitation Overlay Zone (also referred to as "Proposition"). Costal height limitation overlay zone shall be referred to a "costal zone" herein after.
|BLDG-7-4||Fire Resistance Column Protection|| Fire Resistance Column Protection
This Technical Bulletin describes some acceptable methods of protecting the fire-resistive covering of columns that are subject to impact.
|BLDG-9-1||Design and Testing Requirements for Smoke Control Systems|| Design and Testing Requirements for Smoke Control Systems
The purpose of this Technical Bulletin is to provide the smoke control guidelines and requirements to the building permit applicant. This bulletin also describes the minimum requirements for smoke control design and special inspection.
|BLDG-10-1||Maximum Floor Area Allowances Per Occupant|| Maximum Floor Area Allowances Per Occupant
This bulletin establishes maximum floor area allowances per occupant for uses not listed in the California Building Code, Table 1004.1.2.
|BLDG-12-1||Floor And Wall Finishes In Toilet, Bath, And Shower Spaces|| Floor And Wall Finishes In Toilet, Bath, And Shower Spaces
The purpose of this Technical Bulletin is to establish acceptable floor and wall finishes in showers, bathtubs with installed showerheads, and water closet compartments in residential and non-residential buildings.
|BLDG-14-1||Combustible Water-Resistive Barriers In Exterior Walls of Type III Construction|| Combustible Water-Resistive Barriers In Exterior Walls of Type III Construction
The purpose for this Technical Bulletin establishes acceptable materials to be used as water resistive barriers in exterior walls in buildings of Type III construction and more than 40 ft in height.
|BLDG-16-1||Maintenance and Servicing of Seismic Instrumentation for New Buildings|| Maintenance and Servicing of Seismic Instrumentation for New Buildings
This Technical Bulletin establishes the maintenance and servicing requirements for Earthquake Recording Instrumentation.
|BLDG-17-6||Off-Site Fabrication of Building Components||
The purpose of this bulletin is to outline procedures for acceptance of fabrication of building components where such fabrication is performed on the premises of a fabricator’s shop.
|FIRE-5-1||Emergency Responder Radio Coverage|| Design and Testing Requirements for Emergency Responder Radio Coverage
The purpose of this Technical Bulletin is to provide the guidelines and requirements to the building permit applicant for compliance with the requirements in Section 510 of the 2013 California Fire Code (CFC), Section 510 and Section 915 of the California Building Code (CBC) for emergency responder radio coverage.
|FIRE-9-1||Sprinklers, Standpipes, Fire Pumps and Secondary Water Supply for High-Rises|| Sprinklers, Standpipes, Fire Pumps and Secondary Water Supply for High-Rises
The purpose of this Technical Bulletin is to establish the minimum requirements for the design of sprinkler systems, standpipes, secondary water supply and fire pumps in high-rise buildings. High-rise buildings are defined in the California Building Code (CBC) as a building having an occupied floor located more than 75 feet above the lowest level of fire department vehicle access.
|FIRE-9-2||Fire Alarm Control Panels|| Requirements for Fire Alarm Control Panels
The purpose of this technical bulletin is to describe the requirements for fire alarm control panels.
|FIRE-9-3||Sprinkler Protection for Balconies, Canopies, Porte-cochères, and Decks|| Sprinkler Protection for Balconies, Canopies, Porte-cochères, and Decks
The purpose of this Technical Bulletin is to establish the minimum requirements for the design and installation of sprinklers for balconies, canopies, porte-cochères, and decks.
|FIRE-9-4||Fire Alarm Wiring|| Fire Alarm Wiring
The purpose of this Technical Bulletin is to provide fire alarm system wiring guidelines and requirements to the permit applicant. In addition to the information provided in this Technical Bulletin, the permit applicant shall follow definitions, guidelines and requirements from adopted codes and standards.
|FIRE-9-5||Design of Sprinkler Systems in Shell Buildings|| Design of Sprinkler Systems in Shell Buildings
The purpose of this Technical Bulletin is to provide the design criteria and requirements to the applicant for providing sprinkler systems in shell buildings without a specific tenant and/or use.
|FIRE-9-6||Standpipe System Requirements||
The purpose of this Technical Bulletin is to establish the minimum requirements for standpipe systems required by the California Fire Code (CFC) for non-high-rise buildings. See Technical Bulletin FIRE-9-1 for standpipe requirements for high-rise buildings. In addition to the requirements contained in this bulletin, standpipe systems shall also comply with the California Building Code (CBC) and NFPA 14.
|PLMB-7-1||Residential Buildings of R-3 Occupancy|| Use of ABS and PVC in 3 or more story Residential Buildings of R-3 Occupancy
The purpose of this technical bulletin is to establish the requirements for the installation of acrylonitrile-butadiene-styrene (ABS) or poly-vinyl-chloride (PVC) piping used for drain, waste and vent (DWV) system in three or more story residential buildings classified as Group R-3 occupancy, such as single-family residences, duplexes and townhouses.
|RESD-3-1||Residential Fire Sprinklers|| Protection of Existing Buildings with Residential Fire Sprinklers
The purpose of this Technical Bulletin is to clarify the City of San Diego's policy on when fire sprinkler protection is required for additions and alterations to existing dwellings not protected with a sprinkler system.
|RESD-3-2||Exhaust System for Residential Occupancies|| Exhaust System for Residential Occupancies of Non-Rated Construction
The purpose of this Technical Bulletin is to clarify the installation requirements of environmental air ducts in residential occupancies designed per the California Residential Code (CRC) and of non-rated construction.
|RESD-5-1||Water Heaters|| Water Heaters
The purpose of this technical bulletin is to provide guidelines for water heater installations.