The provisions of Section 1203 of IBC are adopted by reference with the following modifications:
1. Revise Section 1203.1, excluding the exceptions, to read:
"1203.1 Heating equipment and systems.
Interior spaces intended for human occupancy shall be provided with active or passive space heating systems capable of maintaining an indoor temperature of not less than 68°F (20°C) at a point 3 feet (914 mm) above the floor when the outdoor temperature is 7°F (-22°C)."
2. Add a new Section 1203.2 to read:
"1203.2 Cooling and dehumidification equipment and systems.
Permanent cooling and dehumidification equipment or systems shall be provided in accordance with Sections 1203.2.1 and 1203.2.2.
1203.2.1 Group I-1, I-2, I-4 and R-4 occupancies.
In Group I-1, I-2, I-4 and R-4 occupancies, indoor spaces intended for human occupancy shall be provided with active or passive space cooling and dehumidification equipment or systems capable of maintaining an indoor temperature of 75ºF (24ºC) and 50 percent relative humidity at a point 3 feet (914 mm) above the floor when the outdoor temperature is 100ºF (38ºC).
1203.2.2 New Group E, I-3, R-1, R-2, R-3 and R-5 occupancies.
In Group E, I-3, R-1, R-2, R-3 and R-5 occupancies constructed or established after the effective date of the amendatory ordinance of 2022, indoor spaces intended for human occupancy shall be provided with active or passive space cooling and dehumidification equipment or systems capable of maintaining an indoor temperature of 75ºF (24ºC) and 50 percent relative humidity at a point 3 feet (914 mm) above the floor when the outdoor temperature is 92ºF (33ºC) and the mean coincident wet bulb temperature is 75ºF (24ºC)."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 57; Amend Coun. J. 6-22-22, p. 49372, § 5)