(e) Heating,
ventilation, and air-conditioning (HVAC) and exhaust systems.
(1) General requirements. An existing large
Type B assisted living facility must ensure HVAC equipment meets the
requirements of 19.5.2, Heating, Ventilating and Air-Conditioning, in NFPA 101,
Chapter 19, Existing Health Care Occupancies.
(2) Heating and cooling. An existing large
Type B assisted living facility must provide heating and cooling for resident
comfort.
(A) An existing large Type B assisted
living facility must ensure air conditioning systems can maintain and do
maintain the comfort range of 68 to 82 degrees Fahrenheit in resident-use
areas.
(B) An existing large Type B
assisted living facility constructed or licensed after August 1, 2004, must
have a central air conditioning system, or a substantially similar air
conditioning system, that can maintain and does maintain a temperature range
required under subparagraph (A) of this paragraph within areas used by
residents.
(C) An existing large
Type B assisted living facility may not use an open flame heating device in the
facility, except as permitted by subparagraphs (D) - (E) of this
paragraph.
(D) An existing large
Type B assisted living facility must ensure a fuel-fired heating device, other
than a working fireplace, meets the following requirements.
(i) A fuel-fired heating device must be
connected to a chimney or vent.
(ii) A fuel-fired heating device must take
air for combustion directly from outside.
(iii) A fuel-fired heating device must be
designed and installed to provide for complete separation of the combustion
system from the atmosphere of the occupied area.
(iv) A fuel-fired heating device must have
safety features to immediately stop the flow of fuel and shut down the
equipment in case of either excessive temperatures or ignition
failure.
(v) A fuel-fired heating
device not meeting the requirements of clauses (i) - (iv) of this subparagraph
may be continued in service, subject to approval by HHSC.
(E) An existing large Type B assisted living
facility must ensure a working fireplace meets the following requirements.
(i) A building containing a working fireplace
must be protected by an approved, supervised automatic sprinkler system with
listed quick response or listed residential sprinklers.
(ii) A new working fireplace must be
installed, maintained and used according to NFPA 54 and NFPA 211.
(iii) A working fireplace may not be located
in a resident sleeping room.
(iv)
The room where a working fireplace is located must be provided with
electrically supervised carbon monoxide detection connected to the fire alarm
system according to NFPA 720.
(v) A
direct-vent gas fireplace, as defined in NFPA 54, must meet the following
requirements.
(I) A direct-vent gas fireplace
must include a sealed glass front with a wire mesh panel or screen.
(II) The controls for a direct-vent gas
fireplace must be locked or located in a restricted location.
(vi) A solid-fuel burning must be
equipped with:
(I) a raised hearth at least
four inches above the surrounding finished floor; and
(II) a fireplace enclosure that is guaranteed
against breakage up to a temperature of 650 degrees Fahrenheit and constructed
of heat-tempered glass or other approved material.
(vii) An existing working fireplace not
meeting the requirements of clauses (i) - (vi) of this subparagraph may be
continued in service, subject to approval by HHSC.
(3) Ventilation.
(A) An existing large Type B assisted living
facility must be ventilated using windows or mechanical ventilation, or a
combination of both.
(B) An
existing large Type B assisted living facility with interior areas designated
for smoking within the building must provide mechanical ventilation directed to
the exterior to remove smoke at the rate of 10 air changes per hour.
(4) Exhaust. An existing large
Type B assisted living facility must ensure bathrooms, toilet rooms, janitorial
facilities, and other odor-producing rooms or areas for soiled or unsanitary
operations are exhausted with operable windows or powered exhaust vented to the
exterior for odor control.