3312 Additional Safeguards for Type IV Construction

3312.1 Fire safety requirements for buildings of Types IV-A, IV-B and IV-C construction.¶

Buildings of Types IV-A, IV-B and IV-C construction designed to be greater than six stories above grade plane shall comply with the following requirements during construction unless otherwise approved by the fire code official:

Standpipes shall be provided in accordance with Section 3307.2.
A water supply for fire department operations, as approved by the fire code official and the fire chief.
Where building construction exceeds six stories above grade plane and noncombustible protection is required by Section 602.4 of the California Building Code, at least one layer of noncombustible protection shall be installed on all building elements on floor levels, including mezzanines, more than four levels below active mass timber construction before additional floor levels can be erected.

Exceptions:

Shafts and vertical exit enclosures shall not be considered part of the active mass timber construction.
Noncombustible material on the top of mass timber floor assemblies shall not be required before erecting additional floor levels.
Where building construction exceeds six stories above grade plane, required exterior wall coverings shall be installed on floor levels, including mezzanines, more than four levels below active mass timber construction before additional floor levels can be erected.

Exception: Shafts and vertical exit enclosures shall not be considered part of the active mass timber construction.

33-8 2025 CALIFORNIA FIRE CODE

CALIFORNIA FIRE CODE – MATRIX ADOPTION TABLE

CHAPTER 34 – TIRE REBUILDING AND TIRE STORAGE

(Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

Adopting Agency	BSC	BSC- CG	SFM		HCD			DSA		OSHPD						BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
Adopting Agency	BSC	BSC- CG	T-24	T-19*	1	2	1/AC	AC	SS	1	1R	2	3	4	5	5	5	5	5	5	5	5	5
Adopt Entire Chapter
Adopt Entire Chapter as amended (amended sections listed below)			X
Adopt only those sections that are listed below
[California Code of Regulations, Title 19, Division 1]
Chapter / Section
3401.1			X
3404.2			X
3405.1			X
3405.4			X
3405.7			X
3405.8			X
3405.9			X
3406.1			X
3408.1			X

The California Code of Regulations (CCR), Title 19, Division 1 provisions that are found in the California Fire Code are a reprint from the current CCR, Title 19, Division 1 text for the code user’s convenience only. The scope, applicability and appeals procedures of CCR, Title 19, Division I remain the same. The state agency does not adopt sections identified by the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.

34-2 2025 CALIFORNIA FIRE CODE

Exceptions & meaning →