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Technical Bulletins

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.

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Technical
Bulletin Number
Subject Description Revision
Date
File Type
 
PDF icon BLDG-3-1 PDF icon Occupancy Classification of a Building with Assembly Use PDF icon 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.
January 2014 PDF
PDF icon BLDG-3-4 PDF icon Return Air Duct Through Garage/Dwelling Separations PDF icon 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).
January 2014 PDF
PDF icon BLDG-4-1 PDF icon Fire Separation Requirement for Parking Under Overhang PDF icon 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.
January 2014 PDF
PDF icon BLDG-5-4 PDF icon Determination of Building Height in the Coastal Height Limitation Overlay Zone PDF icon 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.
August 2013 PDF
PDF icon BLDG-7-4 PDF icon Fire Resistance Column Protection PDF icon Fire Resistance Column Protection
This Technical Bulletin describes some acceptable methods of protecting the fire-resistive covering of columns that are subject to impact.
January 2014 PDF
PDF icon BLDG-9-1 PDF icon Design and Testing Requirements for Smoke Control Systems PDF icon 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.
March 2014 PDF
PDF icon BLDG-10-1 PDF icon Maximum Floor Area Allowances Per Occupant PDF icon 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.
May 2017 PDF
PDF icon BLDG-12-1 PDF icon Floor And Wall Finishes In Toilet, Bath, And Shower Spaces PDF icon 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.
January 2017 PDF
PDF icon BLDG-14-1 PDF icon Combustible Water-Resistive Barriers In Exterior Walls of Type III Construction PDF icon 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.
July 2017 PDF
 
PDF icon FIRE-5-1 PDF icon Emergency Responder Radio Coverage PDF icon 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.

March 2017

PDF
PDF icon FIRE-9-1 PDF icon Sprinklers, Standpipes, Fire Pumps and Secondary Water Supply for High-Rises PDF icon 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.
July 2017 PDF
PDF icon FIRE-9-2 PDF icon Fire Alarm Control Panels PDF icon Requirements for Fire Alarm Control Panels
The purpose of this technical bulletin is to describe the requirements for fire alarm control panels.
August 2017 PDF
PDF icon FIRE-9-3 PDF icon Sprinkler Protection for Balconies, Canopies, Porte-cochères, and Decks PDF icon 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.
July 2014 PDF
PDF icon FIRE-9-4 PDF icon Fire Alarm Wiring PDF icon 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.
January 2015 PDF
PDF icon FIRE-9-5 PDF icon Design of Sprinkler Systems in Shell Buildings PDF icon 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.
July 2015 PDF
 
PDF icon PLMB-7-1 PDF icon Residential Buildings of R-3 Occupancy PDF icon 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.
October 2017 PDF
 
PDF icon RESD-3-1 PDF icon Residential Fire Sprinklers PDF icon 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.
June 2016 PDF
PDF icon RESD-3-2 PDF icon Exhaust System for Residential Occupancies PDF icon 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.
June 2017 PDF
PDF icon RESD-5-1 PDF icon Water Heaters PDF icon Water Heaters
The purpose of this technical bulletin is to provide guidelines for water heater installations.
July 2017 PDF

 

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