Chapter 15.02 — BUILDING CODE

(a)

The City Council of the City of Whittier hereby adopts the California Building Code specified in Chapter 15.01.010 as Chapter 15.02.010 of Title 15 of the Codes, except such portions as are deleted, modified, or amended as set forth in this chapter. Said Code is adopted and incorporated as if fully set forth herein.

(b)

The purpose of these Codes is to prescribe regulations for the erection, construction, enlargement, alteration, repair, improving, removal, conversion, demolition, occupancy, equipment, use, height, area and maintenance of all buildings and structures.

(Ord. No. 3143, § 4, 12-13-22)

State Law reference— Authority to regulate construction, Government Code § 38660; California Building Standards Law, Government Code § 18901 et seq.

The text within Chapter 1 Division II is deleted and replaced with the following:

Division II Administrative Provisions

Section 101. For administrative provisions for this Code, see Sec. 15.01.040.

(Ord. No. 3143, § 4, 12-13-22)

Amendments to Building Code (15.02)

Section 312.1 is amended to add "swimming pools" to the list of Group U occupancies such that the section reads as follows:

312.1 General. Buildings and structures of an accessory character and miscellaneous structures not classified in any specific occupancy will be constructed, equipped, and maintained to conform to the requirements of the Codes commensurate with the fire and life hazard incidental to their occupancy. Group U will include, but not be limited to, the following:

Agricultural buildings

Aircraft hangars, accessory to a one-or two-family residence (see Section 412.3)

Barns

Carports

Fences more than 6 feet (1,829 mm) high

Grain silos, accessory to a residential occupancy

Greenhouses

Livestock shelters

Private garages

Retaining walls

Sheds

Stables

Tanks

Towers

Swimming pools

(Ord. No. 3143, § 4, 12-13-22)

Section 705.2.3 is amended by adding an additional exception to read as follows:

Type VB construction shall be allowed for combustible projections for additions to existing R-3 occupancies provided the fire separation distance is greater than or equal to 2 feet and the floor area of the addition does not exceed 50 percent of the existing floor area of the R-3 occupancy.

(Ord. No. 3143, § 4, 12-13-22)

Section 718.3 is amended by deletion of the Exception.

(Ord. No. 3143, § 4, 12-13-22)

Section 717.4 is amended by deletion of the Exception:

(Ord. No. 3143, § 4, 12-13-22)

Table 1505.1 is amended, by the deletion of Table 1505.1 and the addition of a new Table 1505.1 thereto, to read as follows:

TABLE 1505.1 a MINIMUM ROOF COVERING CLASSIFICATIONS TYPES OF CONSTRUCTION

IA IB IIA IIB IIIA IIIB IV VA VB

A A A A A A A A A

For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m 2 .

a. Unless otherwise required in accordance with Chapter 7A or due to the location of the building within a fire district in accordance with Appendix D.

(Ord. No. 3143, § 4, 12-13-22)

Section 1505.1.2 is amended, by the deletion of the entire section and the addition of a new section thereto, to read as follows:

1505.1.2 Roof coverings within all other areas. The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair or replacement of the roof of every existing structure, shall be a fire- retardant roof covering that is at least Class A.

(Ord. No. 3143, § 4, 12-13-22)

Section 1618 is added to Chapter 16 to read as follows:

Section 1807.1.4 amended to read as follows:

1807.1.4 Permanent wood foundation systems. Permanent wood foundation systems shall be designed and installed in accordance with AWC PWF. Lumber and plywood shall be treated in accordance with AWPA U1 (Commodity Specification A, Special Requirement 4.2) and shall be identified in accordance with Section 2303.1.9.1. Permanent wood foundation systems shall not be used for structures assigned to Seismic Design Category D, E or F.

(Ord. No. 3143, § 4, 12-13-22)

Section 1807.1.6 amended to read as follows:

1807.1.6 Prescriptive design of concrete and masonry foundation walls. Concrete and masonry foundation walls that are laterally supported at the top and bottom shall be permitted to be designed and constructed in accordance with this section. Prescriptive design of foundation walls shall not be used for structures assigned to Seismic Design Category D, E or F.

(Ord. No. 3143, § 4, 12-13-22)

Section 1809.3 amended to read as follows:

Section 1809.4 amended the first sentence to read as follows:

Section 1809.7 and Table 1809.7 amended to read as follows:

Section 1809 amended to read as follows:

Section 1810.3.2.4 amended to read as follows:

1810.3.2.4 Timber. Timber deep foundation elements shall be designed as piles or poles in accordance with ANSI/AWC NDS. Round timber elements shall conform to ASTM D 25. Sawn timber elements shall conform to DOC PS-20. Timber shall not be used in structures assigned to Seismic Design Category D, E or F.

(Ord. No. 3143, § 4, 12-13-22)

Section 1905.17 amended to read as follows:

1905.1.7 ACI 318, Section 14.1.4. Delete ACI 318, Section 14.1.4, and replace with the following:

14.1.4—Plain concrete in structures assigned to Seismic Design Category C, D, E or F.

Section 2304.10.1 amended to read as follows:

2304.10.1 Fastener requirements. Connections for wood members shall be designed in accordance with the appropriate methodology in Section 2302.2. The number and size of fasteners connecting wood members shall not be less than that set forth in Table 2304.10.2. Staple fasteners in Table 2304.10.1 shall not be used to resist or transfer seismic forces in structures assigned to Seismic Design Category D, E or F.

Exception: Staples may be used to resist or transfer seismic forces when the allowable shear values are substantiated by cyclic testing and approved by the building official.

(Ord. No. 3143, § 4, 12-13-22)

Section 2304.12.2.8 amended to read as follows:

2304.12.2.8 Wood used in retaining walls and cribs. Wood installed in retaining or crib walls shall be preservative treated in accordance with AWPA U1 for soil and freshwater use. Wood shall not be used in retaining or crib walls for structures assigned to Seismic Design Category D, E or F.

(Ord. No. 3143, § 4, 12-13-22)

Section 2305.4 added to Chapter 23 to read as follows:

Section 2305.5 added to Chapter 23 to read as follows:

Section 2306.2 amended to read as follows:

Section 2306.3 amended to read as follows:

Section 2307.2 added to read as follows:

Section 2308.6.9 amended to read as follows:

2308.6.9 Attachment of sheathing. Fastening of braced wall panel sheathing shall not be less than that prescribed in Tables 2308.6.1 or 2304.10.1. Wall sheathing shall not be attached to framing members by adhesives. Staple fasteners in Table 2304.0.1 shall not be used to resist or transfer seismic forces in structures assigned to Seismic Design Category D, E or F.

Exception: Staples may be used to resist or transfer seismic forces when the allowable shear values are substantiated by cyclic testing and approved by the building official.

All braced wall panels shall extend to the roof sheathing and shall be attached to parallel roof rafters or blocking above with framing clips (18 gauge minimum) spaced at maximum 24 inches (6096 mm) on center with four 8d nails per leg (total eight 8d nails per clip). Braced wall panels shall be laterally braced at each top corner and at maximum 24 inches (6096 mm) intervals along the top plate of discontinuous vertical framing.

(Ord. No. 3143, § 4, 12-13-22)