(a) Resident bedrooms.
  (1) An existing large Type B assisted living facility must ensure a resident bedroom or living unit is not located on a floor that is below finished ground level.
  (2) An existing large Type B assisted living facility must ensure bedroom usable floor space is not less than 100 square feet for a bedroom housing one resident and not less than 80 square feet per resident for a bedroom housing multiple residents, unless otherwise permitted by paragraphs (3) and (4) of this subsection. Portions of a bedroom that are less than 10 feet in the smallest dimension cannot be included in the measurement of bedroom usable floor space, unless approved by the Texas Health and Human Services Commission (HHSC).
  (3) An existing large Type B assisted living facility containing individual living units that include living space for the residents, in addition to their bedroom, may reduce the bedroom usable floor space for a bedroom housing multiple residents within a living unit by up to 10 percent of the required bedroom usable floor space, as long as the minimum dimensional criteria are maintained. An existing large Type B assisted living facility must not use this provision in conjunction with the provision permitting the reduction of common social-diversional areas or common dining areas found in subsection (g)(6) of this section.
  (4) An existing large Type B assisted living facility must house no more than 50 percent of its licensed resident capacity in bedrooms housing three or more residents. A bedroom must not house more than four residents.
(b) Bedroom windows. An existing large Type B assisted living facility must ensure each bedroom has at least one operable window, with outside exposure, that meets the following requirements.
  (1) The window sill must be no higher than 44 inches above the floor.
  (2) The window must be operable by a resident occupying the bedroom, from the inside, without the use of tools or special devices.
  (3) The total area of all windows in a bedroom must not be less than eight percent of the minimum bedroom usable floor space required by subsection (a)(2) of this section.
  (4) An existing bedroom window that does not meet these requirements may be continued in service, subject to approval by HHSC.
(c) Bedroom furnishings. When a resident does not provide their own furnishings, an existing large Type B assisted living facility must provide the following furnishings for each resident, which must be maintained in good repair:
  (1) a bed, including a mattress;
  (2) a chair;
  (3) a table or dresser; and
  (4) private clothes storage space, which must have closable doors, and drawer space for clothing and personal belongings.
(d) Arrangement of resident living units or rooms.
  (1) An existing large Type B assisted living facility must ensure all resident rooms open on an exit, corridor, living area, or public area.
  (2) An existing large Type B assisted living facility must ensure all resident rooms are arranged for convenient resident access to dining and recreation areas.
(e) Staff area. An existing large Type B assisted living facility must provide a staff area on each floor of an existing large Type B assisted living facility and in each separate building containing resident sleeping rooms. An existing large Type B assisted living facility must provide the following at each staff area:
  (1) a desk or writing surface;
  (2) a telephone; and
  (3) a fire alarm control unit or a fire alarm annunciator panel meeting the requirements of §553.145 of this division (relating to Fire Protection Systems Requirements for an Existing Large Type B Assisted Living Facility).
(f) Resident toilet and bathing facilities. An existing large Type B assisted living facility must ensure each resident bedroom is served by a separate private toilet room, a connecting toilet room, or a general toilet room.
  (1) An existing large Type B assisted living facility that houses individuals of more than one gender must provide toilet rooms for each gender, or individual single-occupant toilet rooms for use by any gender.
  (2) An existing large Type B assisted living facility must ensure a general toilet room or bathing room is accessible from a corridor or public space.
  (3) An existing large Type B assisted living facility must ensure resident toilet and bathing facilities comply with the requirements for resident-use plumbing fixtures according to §553.147 of this division (relating to Mechanical Requirements for an Existing Large Type B Assisted Living Facility).
(g) Resident living areas.
  (1) An existing large Type B assisted living facility must provide, in a common area of the facility, social-diversional spaces with appropriate furniture. Examples of social-diversional spaces include living rooms, day rooms, lounges, dens, game rooms, and sunrooms.
    (A) An existing large Type B assisted living facility must provide a social-diversional space with a minimum area of 120 square feet in at least one space within a common area of the facility, regardless of number of residents or other provisions of this section permitting a reduction in the total minimum social-diversional space.
    (B) An existing large Type B assisted living facility must ensure a social-diversional space has one or more exterior windows providing a view of the outside.
    (C) An existing large Type B assisted living facility must ensure the total space for social-diversional areas is provided on a sliding scale according to the following table. No space smaller than 120 square feet in area can be counted toward meeting this requirement.
Attached Graphic
  (2) An existing large Type B assisted living facility must provide a dining area with appropriate furniture.
    (A) An existing large Type B assisted living facility must provide a dining space with a minimum area of 120 square feet in at least one space within a common area of the facility, regardless of the number of residents or other provisions of this section permitting a reduction in the total minimum dining space.
    (B) An existing large Type B assisted living facility must ensure a dining space has one or more exterior windows providing a view of the outside.
    (C) An existing large Type B assisted living facility must ensure a dining area is accessible from resident living units or bedrooms via a covered path.
    (D) An existing large Type B assisted living facility must ensure the total space for dining areas is provided on a sliding scale according to the following table. No space smaller than 120 square feet in area can be counted toward meeting this requirement.
Attached Graphic
  (3) An existing large Type B assisted living facility may provide a total living and dining area combined in a single or interconnecting space where the minimum area of the combined space is at least 240 square feet.
  (4) For calculation purposes, where a means of egress passes through a living or dining area, an existing large Type B assisted living facility must deduct a pathway, equal to the minimum corridor width, according to §553.143 of this division (relating to Means of Egress Requirements for an Existing Large Type B Assisted Living Facility), from the measured area of the space.
  (5) An existing large Type B assisted living facility must ensure a means of egress through a resident living or dining area is kept clear of obstructions, except as permitted by NFPA 101.
  (6) Subject to the limitations of paragraphs (1)(A) and (2)(A) of this subsection and subparagraphs (A) and (B) of this paragraph, an existing large Type B assisted living facility containing individual living units may reduce the minimum square footage required by paragraphs (1)(C) and (2)(D) of this subsection for total common social-diversional or common dining areas, respectively, by including up to 10 percent of the individual living unit area in the calculation of the total social-diversional area or total dining area.
    (A) The individual living unit area contributed toward total social-diversional space or total dining space must not be counted more than once per living unit but may be split between social-diversional and dining space calculations.
    (B) An existing large Type B assisted living facility must not utilize both this paragraph and subsection (a)(3) of this section to reduce both the minimum square footage otherwise required for its common social-diversional or dining areas and the minimum square footage of usable floor space otherwise required in bedrooms housing multiple residents within a living unit.
(h) Storage areas. An existing large Type B assisted living facility must provide sufficient separate storage spaces or areas for at least:
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