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RULE §510.123Spatial Requirements for New Construction

      (iv) Warning signs capable of indicating that the equipment is in use shall be provided.

    (B) Service areas. The following service areas shall be provided.

      (i) Patient waiting area. The area shall be out of traffic and under direct staff visual control.

      (ii) Patient toilet rooms. Toilet room(s) with hand washing amenities shall be located convenient to the waiting area.

      (iii) Patient dressing rooms. Dressing rooms shall be convenient to the waiting areas and X-ray rooms.

      (iv) Hand washing facilities. A freestanding hand washing fixture with hands-free controls shall be provided in or near the entrance to each diagnostic and procedure room unless noted otherwise. Hand washing facilities shall be arranged to minimize any incidental splatter on nearby personnel or equipment.

      (v) Contrast media preparation. This room shall include a work counter, a sink with hands-free operable controls, and storage. One preparation room may serve any number of rooms. When prepared media is used, this area may be omitted, but storage shall be provided for the media.

      (vi) Film processing room. A darkroom shall be provided for processing film unless the processing equipment normally used does not require a darkroom for loading and transfer. When daylight processing is used, the darkroom may be minimal for emergency and special uses. Film processing shall be located convenient to the procedure rooms and to the quality control area.

      (vii) Quality control area or room. An area or room for film viewing shall be located near the film processor. All view boxes shall be illuminated to provide light of the same color value and intensity.

      (viii) Film storage (active). A room shall include a cabinet or shelves for filing patient film for immediate retrieval.

      (ix) Film storage (inactive). A room for inactive film storage shall be provided. It may be outside the imaging suite, but must be under the administrative control of imaging suite personnel and be properly secured to protect films against loss or damage.

      (x) Storage for unexposed film. Storage amenities for unexposed film shall include protection of film against exposure or damage.

      (xi) Storage of cellulose nitrate film. When used, cellulose nitrate film shall be stored in accordance with the requirements of National Fire Protection Association 40, Standard for the Storage and Handling of Cellulose Nitrate Motion Picture Film, 1994 edition.

      (xii) Housekeeping room. The room may serve multiple departments when conveniently located.

  (2) Details and finishes. Details and finishes shall be in accordance with §134.122(d)(2) of this title and this paragraph.

    (A) Details.

      (i) Radiation protection shall be designed, tested and approved by a medical physicist licensed under the Texas Medical Physics Practice Act, Occupations Code, Chapter 602.

      (ii) The design and environmental controls associated with licensable quantities of radioactive material in laboratories and/or imaging rooms shall be approved by the Texas Department of Health's Bureau of Radiation Control prior to licensed authorizations.

      (iii) Where protected alcoves with view windows are required, provide a minimum of 1 foot 6 inches between the view window edge/frame and the outside partition edge.

      (iv) Imaging procedure rooms shall have ceiling heights not less than nine feet. Ceilings containing ceiling-mounted equipment shall be of sufficient height to accommodate the equipment of fixtures and their normal movement.

    (B) Finishes.

      (i) Flooring used in contrast media preparation and soiled workroom shall be of the seamless type as required by §134.122(d)(2)(B)(iii)(III).

      (ii) A lay-in type ceiling is acceptable for the diagnostic room.

  (3) Mechanical Requirements.

    (A) Mechanical requirements shall be in accordance with §134.122(d)(3) of this title and this paragraph.

    (B) Air handling units serving the imaging suite shall be equipped with filters having efficiencies equal to, or greater than specified in Table 4 of §134.131(d) of this title.

  (4) Piping systems and plumbing fixtures. Piping systems and plumbing fixtures shall be in accordance with §134.122(d)(4) of this title and this paragraph. When automatic film processors are used, a receptacle of adequate size with hot and cold water for cleaning the processor racks shall be provided.

  (5) Electrical requirements. Electrical requirements shall be in accordance with §134.122(d)(5) of this title and this paragraph.

    (A) General.

      (i) Each imaging procedure room shall have at least four duplex electrical receptacles.

      (ii) A special grounding system in areas such as imaging procedures rooms where a patient may be treated with an internal probe or catheter shall comply with Chapter 9 of NFPA 99, and Article 517 of NFPA 70.

      (iii) General lighting with at least one light fixture powered from a normal circuit shall be provided in imaging procedures rooms in addition to special lighting units at the procedure or diagnostic tables.

    (B) Nurses calling system.

      (i) Nurses regular calling system. The nurses regular calling system shall be provided for patient dressing room(s) in accordance with §134.122(d)(5)(K)(i) of this title.

      (ii) Nurses emergency calling system. In toilet room(s) used by inpatients and outpatients, a nurses emergency call station shall be provided in accordance with §134.122(d)(5)(K)(ii) of this title.

      (iii) Staff emergency assistance calling system. A staff emergency assistance calling system (code blue) shall be provided for staff to summon additional assistance for each imaging procedure room in accordance with §134.122(d)(5)(K)(iii) of this title.

(k) Laboratory suite.

  (1) Architectural requirements.

    (A) General. The required laboratory testing shall be performed on-site or provided through a contractual arrangement with a laboratory service.

      (i) Provisions for laboratory services shall be provided within the facility for urinalysis, blood glucose and electrolytes.

      (ii) Each laboratory unit shall meet the requirements of Chapter 10 of NFPA 99 (relating to Laboratories), and Chapter 18 of NFPA 101 (relating to New Health Care Occupancies).

    (B) Minimum laboratory. When laboratory services are provided off-site by contract, the following minimum areas or rooms shall be provided within the facility.

      (i) Laboratory work room. The laboratory workroom shall include a counter and a sink with hands-free operable controls.

      (ii) General storage. Cabinets or closets shall be provided for supplies and equipment used in obtaining samples for testing. A refrigerator or other similar equipment shall be provided for specimen storage waiting for transfer to off-site testing.

      (iii) Specimen collection room. A blood collection room shall be provided with a counter, space for seating, and hand washing fixture with hands-free operable controls. A toilet and lavatory with hands-free operable controls shall be provided for specimen collection. This room may be outside the laboratory suite if conveniently located.

    (C) On-site laboratory. When the facility provides on-site laboratory services, the following areas or rooms shall be provided in addition to the requirements in paragraph (1)(A) and (B) of this subsection.

      (i) Laboratory workroom(s). The laboratory work room shall include counter(s), space appropriately designed for laboratory equipment, sink(s) with hands-free operable controls, vacuum, gases, air, and electrical services as needed.

      (ii) General storage. Storage, including refrigeration for reagents, standards, supplies, and stained specimen microscope slides, etc. shall be provided. Separate spaces shall be provided for such incompatible materials as acids and bases, and vented storage shall be provided for volatile solvents.

      (iii) Chemical safety. When chemical safety is a requirement, provisions shall be made for an emergency shower and eye flushing devices.

      (iv) Flammable liquids. When flammable or combustible liquids are used, the liquids shall be stored in approved containers, in accordance with National Fire Protection Association 30, Flammable and Combustible Liquids Code, 1996 edition.

      (v) Radioactive materials. When radioactive materials are employed, storage amenities shall be provided.

    (D) Service areas or rooms. The following service areas or rooms shall be provided.

      (i) Hand washing amenities. Each laboratory room or work area shall be provided with a hand washing fixture(s) with hands-free operable controls.

      (ii) Office spaces. The scope of laboratory services shall determine the size and quantity for administrative areas including offices as well as space for clerical work, filing, and record maintenance. At a minimum, an office space shall be provided for the use of the laboratory service director.

      (iii) Staff facilities. Lounge, locker, and toilet amenities shall be conveniently located for male and female laboratory staff. These may be outside the laboratory area and shared with other departments.

      (iv) Housekeeping room. A housekeeping room shall be located nearby.

  (2) Details and finishes. Details and finishes shall be in accordance with §134.122(d)(2) of this title. Floors in laboratories shall comply with the requirements of §134.122(d)(2)(B)(iii) of this title except that carpet flooring shall not be used.

  (3) Mechanical requirements. Mechanical requirements shall be in accordance with §134.122(d)(3) of this title and this paragraph.

    (A) No air from the laboratory areas shall be recirculated to other parts of the facility. Recirculation of air within the laboratory suite is allowed.

    (B) When laboratory hoods are provided, they shall meet the following general requirements.

      (i) The average face velocity of each exhaust hood shall be at least 75 feet per minute.

      (ii) The exhaust shall be connected to an exhaust system to the outside which is separate from the building exhaust system.

      (iii) The exhaust fan shall be located at the discharge end of the system.

      (iv) The exhaust duct system shall be of noncombustible and corrosion resistant material.

    (C) Filtration requirements for air handling units serving the laboratory suite shall be equipped with filters having efficiencies equal to, or greater than specified in Table 4 of §134.131(d) of this title.

    (D) Duct linings exposed to air movement shall not be used in ducts serving any laboratory room and clean room unless terminal filters of at least 80% efficiency are installed downstream of linings. This requirement shall not apply to mixing boxes and acoustical traps that have special coverings over such lining.

  (4) Piping systems and plumbing fixtures. Piping systems and plumbing fixtures shall be in accordance with §134.122(d)(4) of this title and this paragraph.

    (A) General.

      (i) Faucet spouts at lavatories and sinks shall have clearances adequate to avoid contaminating utensils and the contents of beakers, test tubes, etc.

      (ii) Drain lines from sinks used for acid waste disposal shall be made of acid-resistant material.

      (iii) Drain lines serving some types of automatic blood-cell counters must be of carefully selected material that will eliminate potential for undesirable chemical reactions (and/or explosions) between sodium azide wastes and copper, lead, brass, and solder, etc.

    (B) Medical gas systems. When provided, medical gas systems shall comply with §134.122(d)(4)(A)(iii) of this title. The number of outlets in the laboratory for vacuum, gases, and air shall be determined by the functional program requirements.

(l) Laundry suite. Laundry amenities may be provided on-site or off-site. On-site laundry services may be within the facility or in a separate building.

  (1) Architectural requirements.

    (A) General. The following amenities are required for both on-site or off-site commercial laundry services.

      (i) The laundry room shall be equipped and ventilated so as to minimize the dissemination of contaminants.

      (ii) Soiled and clean linen processing areas shall be physically separated.

      (iii) An adequate amount of hand washing fixtures shall be provided in both the soiled and clean processing areas.

    (B) On-site laundry processing. When linen is processed within the facility or in a separate building located on-site, the following minimum requirements shall be provided.

      (i) A receiving, holding, and sorting room for control and distribution of soiled linen shall be provided. This area may be combined with the soiled linens processing room. Discharge from soiled linen chutes may be received within this room or in a separate dedicated room.


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