## SECTION 100.0 – SCOPE

### (a) Buildings Covered.

The provisions of Part 6 apply to all buildings:

1. That are of Occupancy Group A, B, E, F, H, I M, R, S, or U; and

2. For which an application for a building permit or renewal of an existing permit is filed (or is required by law to be filed) on or after the effective date of the provisions, or which are constructed by a governmental agency; and

3. That are:

A. Unconditioned; or

B. Indirectly or directly conditioned or process spaces.

EXCEPTION 1 to Section 100.0(a): Qualified historic buildings, as regulated by the California Historic Building Code (Title 24, Part 8). Lighting in qualified historic buildings shall comply with the applicable requirements in Section 140.6(a)3Q.

EXCEPTION 2 to Section 100.0(a): Building departments, at their discretion, may exempt temporary buildings, temporary outdoor lighting or temporary lighting in an unconditioned building, or structures erected in response to a natural disaster. Temporary buildings or structures shall be completely removed upon the expiration of the time limit stated in the permit.

EXCEPTION 3 to Section 100.0(a): Buildings in Occupancy Group I-3 and I-4.

### (b) Parts of Buildings Regulated.

The provisions of Part 6 apply to the building envelope, space-conditioning systems, water-heating systems, pool and spas, solar ready buildings, indoor lighting systems of buildings, outdoor lighting systems, electrical power distribution systems, and signs located either indoors or outdoors, in buildings that are

1. Covered by Section 100.0(a) and

2. Set forth in Table 100.0-A.

### (c) Habitable Stories.

1. All conditioned space in a story shall comply with Part 6 whether or not the story is a habitable space.

2. All unconditioned space in a story shall comply with the lighting requirements of Part 6 whether or not the story is a habitable space.

### (d) Outdoor Lighting and Indoor and Outdoor Signs.

The provisions of Part 6 apply to outdoor lighting systems and to signs located either indoors or outdoors as set forth in Table 100.0-A.

### (e) Sections Applicable to Particular Buildings.

Table 100.0-A and this subsection list the provisions of Part 6 that are applicable to different types of buildings covered by Section 100.0(a).

1. All buildings. Sections 100.0 through 110.1 2 apply to all buildings.

EXCEPTION to Section 100.0(e)1: Spaces or requirements not 'listed in Table 100.0-A.

2. Newly constructed buildings.

A. All newly constructed buildings. Sections 110.0 through 110.1 2 apply to all newly constructed buildings within the scope of Section 100.0(a). In ’addition, newly constructed buildings shall meet the requirements of Subsections B, C, D or E, as applicable.

B. Nonresidential, high-rise residential, and hotel/motel buildings that are mechanically heated or mechanically cooled.

i. Sections applicable. Sections 120.0 through 140.8 apply to newly constructed nonresidential buildings, high-rise residential buildings, and hotels/motels that are mechanically heated or mechanically cooled.

ii. Compliance approaches. In order to comply with Part 6 newly constructed nonresidential buildings, high-rise residential buildings, and hotels/motels that are mechanically heated or mechanically cooled must meet the requirements of:

a. Mandatory measures: The applicable provisions of Sections 120.0 through 130.5; and

b. Either:

(i) Performance approach: Section 140.1; or

(ii) Prescriptive approach: Sections 140.2 through 140.9

C. Unconditioned nonresidential buildings and process space. Sections 110.9, 110.10, 120.6, 130.0 through 130.5, 140.3(c), 140.6, 140.7 and 140.8 apply to all newly constructed unconditioned buildings and 140.1, and 140.3(c), for process spaces within the scope of Section 100.0(a).

D. Low-rise residential buildings.

i. Sections applicable. Sections 150.0 through 150.1 apply to newly constructed low-rise residential buildings.

ii. Compliance approaches. In order to comply with Part 6 newly constructed low-rise residential buildings must meet the requirements of:

a. Mandatory measures: The applicable provisions of Sections 110.0 through 110.10 and 150.0; and

b. Either:

(i) Performance approach: Section 150.1(a) and (b); or

(ii) Prescriptive approach: Section 150.1(a) and (c).

EXCEPTION 1 to Section 100.0(e)2Diib: Seasonally occupied agricultural housing limited by state or federal agency contract to occupancy not more than 180 days in any calendar year.

E. Covered Processes.

i. Sections applicable. Sections 110.2, 120.6 and 140.9 apply to covered processes.

ii. Compliance approaches. In order to comply with Part 6 covered processes must meet the requirements of:

a. The applicable mandatory measures in Section 120.6; and

b. Either:

(i) The Performance approach requirements of Section 140.1; or

(ii) The Prescriptive approach requirements of Section 140.9.

Note: If covered processes do not have prescriptive requirements, then only the applicable mandatory measures in Section 120.6 must be met.

3. New construction in existing buildings (additions, alterations and repairs).

A. Nonresidential, high-rise residential, and hotel/motel buildings. Section 141.0 applies to new construction in existing nonresidential, high-rise residential, and hotel/motel buildings. New construction in existing buildings includes additions, alterations and repairs. Section 141.0 specifies requirements that uniquely apply to additions, alterations or repairs to existing buildings, and specify which requirements in other sections also apply. For alterations that change the occupancy classification of the building, the requirements specified in Section 141.0 apply to the occupancy after the alterations.

B. Low-rise residential buildings. Section 150.2 applies to new construction in existing low-rise residential buildings. New construction in existing buildings includes additions, alterations and repairs. Section 150.2 specifies requirements that uniquely apply to additions, alterations or repairs to existing buildings, and specify which requirements in other sections also apply. For alterations that change the occupancy classification of the building, the requirements specified in Section 150.2 apply to the occupancy after the alterations.

4. Installation of insulation in existing buildings. Section 110.8(d) applies to buildings in which insulation is being installed in existing attics, or on existing water heaters, or existing space conditioning ducts.

5. Outdoor Lighting. Sections 110.9, 130.0, 130.2, 130.4, 140.7, and 150.0 apply to newly constructed outdoor lighting systems, and Section 141.0 applies to outdoor lighting that is either added or altered.

6. Signs. Sections 130.0, 130.3 and 140.8 apply to newly constructed signs located either indoors or outdoors and Section 141.0 applies to sign alterations located either indoors or outdoors.

### (f) Mixed Occupancy.

When a building is designed and constructed for more than one type of occupancy (residential and nonresidential), the space for each occupancy shall meet the provisions of Part 6 applicable to that occupancy.

EXCEPTION 1 to Section 100.0(f): If one occupancy constitutes at least 80 percent of the conditioned floor area of the building, the entire building envelope, HVAC, and water heating may be designed to comply with the provisions of Part 6 applicable to that occupancy, provided that the applicable lighting requirements in Sections 140.6 through 140.8 or 150.0(k) are met for each occupancy and space and mandatory measures in Sections 110.0-130.5 and 150.0 are met for each occupancy and space.

EXCEPTION 2 to Section 100.0(f): If one occupancy constitutes at least 90 percent of the combined conditioned plus unconditioned floor area of the building, the entire building indoor lighting may be designed to comply with only the lighting provisions of Part 6 applicable to that occupancy.

### (g) Administrative Requirements.

Administrative requirements relating to permit requirements, enforcement by the Commission, locally adopted energy standards, interpretations, claims of exemption, approved calculation methods, rights of appeal, and certification and labeling requirements of fenestration products and roofing products are specified in California Code of Regulations, Title 24, Part 1, Sections 10-101 to 10-114.

### (h) Certification Requirements for Manufactured Equipment, Products, and Devices.

Part 6 limits the installation of manufactured equipment, products, and devices to those that have been certified as specified by sections 110.0 and 110.1. Requirements for manufactured equipment, products, and devices, when not specified in Title 24 Part 6, are specified in California Code of Regulations, Title 20, Sections 1601-1609

#### TABLE 100.0-A APPLICATION OF STANDARDS

Occupancies | Application | Mandatory | Prescriptive | Performance | Additions/Alterations
General Provisions for All Buildings
100.0, 100.1, 100.2, 110.0.
Nonresidential, High-Rise Residential, And Hotels/Motels | General | 120.0 | 140.0, 140.2 | 140.0, 140.1 | Section 141.0
Envelope (conditioned) | 110.6, 110.7, 110.8.,120.7 | 140.3
Envelope (unconditioned process spaces) | N.A. | 140.3(c)
HVAC (conditioned) | 110.2, 110.5, 120.1, 120.2, 120.3, 120.4, 120.5, 120.8 | 140.4
Water Heating | 110.3, 120.3, 120.8, 120.9 | 140.5
Indoor Lighting (conditioned, process spaces) | 110.9, 120.8, 130.0, 130.1, 130.4 | 140.3(c), 140.6 PRESCRIPTIVE REQUIREMENTS FOR INDOOR LIGHTING
Indoor Lighting (unconditioned and parking garages) | 110.9, 120.8, 130.0, 130.1, 130.4PRESCRIPTIVE REQUIREMENTS FOR INDOOR LIGHTING | 140.3(c), 140.6 PRESCRIPTIVE REQUIREMENTS FOR INDOOR LIGHTING | N.A.
Outdoor Lighting | 110.9, 130.0, 130.2, 130.4 PRESCRIPTIVE REQUIREMENTS FOR INDOOR LIGHTING | 140.7
Electrical Power Distribution | 110.11, 130.5 | N.A.
Pool and Spa Systems | 110.4, 110.5, 150.0(p) | N. A. | 141.0
Solar Ready Buildings | 110.10 | N.A. | 141.0(a)
Covered Processes1 | Envelope, Ventilation, Process Loads | 110.2, 120.6 | 140.9 | 140.1 | 120.6, 140.9, 141.1
Signs | Indoor and Outdoor | 110.9, 130.0, 130.3 | 140.8 | N.A. | 141.0, 141.0(b)2H
Low-Rise Residential | General | 150.0 | 150.1(a, c) | 150.1(a), 150.1(b) | 150.2(a) Section 150.2(a)1, 150.2(b)
Envelope (conditioned) | 110.6, 110.7, 110.8, 150(a), 150.0(b), 150.0(c), 150.0(d), 150.0(e),150.0(g), 150.0(q)
HVAC (conditioned) | 110.2, 110.5, 150.0(h), 150.0(i), 150.0(j), 150.0(m), 150.0(o)
Water Heating | 110.3, 150.0(j, n)
Indoor Lighting (conditioned, unconditioned and parking garages) | 110.9, 130.0, 150.0(k)
Outdoor Lighting | 110.9, 130.0, 150.0(k)
Pool and Spa Systems | 110.4, 150.0(p) | N. A. | N.A. | 150.2(a) 150.2(b)
Solar Ready Buildings | 110.10 | N. A. | N.A. | N.A.
1 Nonresidential, high-rise and hotel/motel buildings that contain covered processes may conform to the applicable requirements of both occupancy types listed in this table.

NOTE: Authority: Sections 25213, 25218, 25218.5, 25402 and 25402.1, Public Resources Code. Reference: Sections 25007, 25008, 25218.5, 25310, 25402, 25402.1, 25402.4, 25402.5, 25402.8, and 25943, Public Resources Code