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 (PDF) - A visual guide to Development and Permit Information Bulletins
- Building Newsletters
- Technical Policy
|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-8-1||Shower and Water Closet Compartments Floor and Wall Finishes||Shower and Water Closet Compartments Floor and Wall Finishes
The purpose of this Technical Bulletin is to establish acceptable floor and wall finish materials in showers and water closet compartments.
|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||Floor Area Allowances
||Floor Area Allowances
This Technical Bulletin is to establish floor area allowance per occupant for uses not listed in the California Building Code (CBC) Table 1004.1.1.
|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.