Page 70 - ICC IEBC 2018

CHANGE OF OCCUPANCY

exhaust requirements or to increased mechanical ventilation of occupancy shall be as set forth in Sections 1011.1.1
requirements in accordance with the International Mechani- through 1011.1.4. A change of occupancy, as defined in Sec-
cal Code, the new occupancy shall comply with the respec- tion 202, without a corresponding change of occupancy clas-
tive International Mechanical Code provisions. sification shall comply with Section 1001.2.
1011.1.1 Compliance with Chapter 9. The requirements
of Chapter 9 shall be applicable throughout the building
SECTION 1009
PLUMBING for the new occupancy classification based on the separa-
tion conditions set forth in Sections 1011.1.1.1 and
1009.1 Increased demand. Where the occupancy of an exist- 1011.1.1.2.
ing building or part of an existing building is changed such
that the new occupancy is subject to increased or different 1011.1.1.1 Change of occupancy classification with-
plumbing fixture requirements or to increased water supply out separation. Where a portion of an existing building
requirements in accordance with the International Plumbing is changed to a new occupancy classification or where
Code, the new occupancy shall comply with the intent of the there is a change of occupancy within a space where
respective International Plumbing Code provisions. there is a different fire protection system threshold
requirement in Chapter 9 of the International Building
1009.2 Food-handling occupancies. If the new occupancy is Code, and that portion is not separated from the
a food-handling establishment, all existing sanitary waste remainder of the building with fire barriers having a
lines above the food or drink preparation or storage areas fire-resistance rating as required in the International
shall be panned or otherwise protected to prevent leaking Building Code for the separate occupancy, the entire
pipes or condensation on pipes from contaminating food or
building shall comply with all of the requirements of
drink. New drainage lines shall not be installed above such Chapter 9 of this code applied throughout the building
areas and shall be protected in accordance with the Interna-
tional Plumbing Code. for the most restrictive occupancy classification in the
building and with the requirements of this chapter.
1009.3 Interceptor required. If the new occupancy will pro-
1011.1.1.2 Change of occupancy classification with
duce grease or oil-laden wastes, interceptors shall be pro-
vided as required in the International Plumbing Code. separation. Where a portion of an existing building is
changed to a new occupancy classification or where
1009.4 Chemical wastes. If the new occupancy will produce there is a change of occupancy within a space where
chemical wastes, the following shall apply:
there is a different fire protection system threshold
1. If the existing piping is not compatible with the chemi- requirement in Chapter 9 of the International Building
cal waste, the waste shall be neutralized prior to enter- Code, and that portion is separated from the remainder
ing the drainage system, or the piping shall be changed of the building with fire barriers having a fire-resis-
to a compatible material. tance rating as required in the International Building
Code for the separate occupancy, that portion shall
2. Chemical waste shall not discharge to a public sewer
system without the approval of the sewage authority. comply with all of the requirements of Chapter 9 of this
code for the new occupancy classification and with the
1009.5 Group I-2. If the occupancy group is changed to requirements of this chapter.
Group I-2, the plumbing system shall comply with the appli-
cable requirements of the International Plumbing Code. 1011.1.2 Fire protection and interior finish. The provi-
sions of Sections 1011.2 and 1011.3 for fire protection and
interior finish, respectively, shall apply to all buildings
SECTION 1010 undergoing a change of occupancy classification.
OTHER REQUIREMENTS
1011.1.3 Change of occupancy classification based on
1010.1 Light and ventilation. Light and ventilation shall hazard category. The relative degree of hazard between
comply with the requirements of the International Building different occupancy classifications shall be determined in
Code for the new occupancy. accordance with the categories specified in Tables 1011.4,
1011.5 and 1011.6. Such a determination shall be the basis
for the application of Sections 1011.4 through 1011.7.
SECTION 1011
CHANGE OF OCCUPANCY CLASSIFICATION 1011.2 Fire protection systems. Fire protection systems
shall be provided in accordance with Sections 1011.2.1 and
1011.1 General. The provisions of this section shall apply to 1011.2.2.
buildings or portions thereof undergoing a change of occu-
pancy classification. This includes a change of occupancy 1011.2.1 Fire sprinkler system. Where a change in occu-
classification within a group as well as a change of occu- pancy classification occurs or where there is a change of
pancy classification from one group to a different group or occupancy within a space where there is a different fire
where there is a change of occupancy within a space where protection system threshold requirement in Chapter 9 of
there is a different fire protection system threshold require- the International Building Code that requires an automatic
ment in Chapter 9 of the International Building Code. Such fire sprinkler system to be provided based on the new
buildings shall also comply with Sections 1002 through 1010 occupancy in accordance with Chapter 9 of the Interna-
of this code. The application of requirements for the change tional Building Code, such system shall be provided

2018 INTERNATIONAL EXISTING BUILDING CODE ® 51
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