1. GENERAL
    1. Provide fixtures in accordance with the Construction Standards 01 10 02 Accessibility Best Practices for OSU and the 2010 Americans with Disabilities Act Standards for Accessible Design. Where applicable requirements are more stringent, those requirements shall be followed.
       
  2. MATERIAL
    1. Interior faucets, hose bibs, and flush valves shall be chrome-plated brass.
    2. Fixtures shall be selected for the specific function.  Where possible, water saving features should be employed, particularly in high use areas.
    3. Material shall be the best quality, easy to clean, with surfaces smooth and resistant to chipping, cracking, and discoloration.
    4. OSU allows limited types of plumbing fixtures to be able to provide sustainable maintenance. The table below lists the preferred brand and manufactures for plumbing fixtures.  If there is compelling reasoning for alternate fixtures, the Design Professional shall provide a list of alternate plumbing fixtures to the Owner’s Authorized Representative for review with the Responsible Maintenance Manager for approval.  This process shall be done at the 100% design development stage.  If this step is skipped, the Design Professional shall be responsible to use Brand/manufacturer’s below.
    5. Refer to Section 22 30 00 for approved plumbing equipment list.
    6. Floor Drains
      1. Floor drains in mechanical rooms, laundries, promenades, terraces, and similar locations shall have perforated sediment bucket with integral auxiliary drainage rim so designed that grate cannot be set in place until bucket is in position.
      2. Sterilizers and autoclaves shall have a fixed air gap between the equipment and the sewer.
      3. Every floor drain shall be equipped with a ProSet trap guard to prevent the trap from drying out and to prevent sewer gas from entering the occupied space.
      4. Floor drains located above the ground floor shall be equipped with clamping collars and shall be flashed with 24" x 24", 6-lb. sheet lead.
      5. A floor drain shall be provided to serve each emergency shower.  Drain shall be located directly below shower head.  Floor shall slope toward drain.
      6. Floor drains and floor sinks are generally cast iron with a polished bronze heel proof grating.
    7. Water Closets
      1. Toilets shall be wall hung, vitreous china, elongated bowl, siphon jet action, 1 1/2 inches top spud similar to American Standard Afwall.
      2. Toilet seats shall be open front, no cover, white with stainless steel check hinge similar to Church.
      3. Closet fittings and carrier shall be similar to Josam's Unitron series.
      4. Flush valves shall be Sloan, Moen or Zurn water saver type.  Shall not exceed 1.6 gal. /flush.
      5. Water closets in women's restrooms shall be equipped with dual-flush flushometers.
    8. Urinals
      1. Urinals shall be high efficiency wall hung, vitreous china, washout with 3.4-inch top spud and 2-inch outlet. Urinals shall be similar to Zurn #Z5798 “The Pint”.
      2. Carriers shall be complete with fixture bolts, bearing plate, adjustable extension, steel pipe uprights, cantilever foot bases and chrome plated trim.  Carriers shall be similar to Josam Unitron series.
      3. The use of waterless urinals is required in stadiums and arenas.  The use of waterless urinals is prohibited elsewhere.
    9. Lavatory Sinks
      1. Lavatory sink carriers shall be of the institutional type with support plate, bearing plate steel uprights and block bases for supporting lavatory fixture with concealed hangers.  Carriers shall be similar to Josam C-356.
      2. Lavatory sink supply and waste lines should enter the wall to allow for easier cleaning and better sanitation.
      3. Provide at least one hose bib on the hot and cold water supply under one lavatory sink in each restroom.  Hose bib shall be keyed style.  Each lavatory sink shall have wall mount cleanout.
      4. Lavatory sink sensor faucets shall be of the self-closing type with the closing time of operation adjustable up to fifteen (15) seconds.  They shall contain interchangeable operating units and shall be of one (1) manufacturer.  Units shall close with the pressure of the water.  All units shall be vandal-proof and all operating parts in contact with water shall be Monel metal, including a stamped Monel metal seat.
      5. Faucet shall be Chicago faucet No. 406 (or No. 747 if a pop-up waste is specified with faucet), center-set lavatory fitting.  Equivalent units, as manufactured by Moen Faucet Division, Cole Valve Company, or American Standard, are acceptable.
    10. Showers
      1. Shower heads shall be self-cleaning and of the vandal-proof type solidly attached to shower stall.  Use water saver type.
      2. Shower controls shall be Powers Series 420, thermostatically controlled, with chrome plated metal levers.
      3. Showers shall have Dole flow controls, limiting water flow to two (2) gallons per minute, installed between the mixing valve and the shower head.
    11. Antifreeze Hose Bibs
      1. Antifreeze hose bibs are needed adjacent to all building entrances for the purpose of washing down walks and entrances.
      2. Hose bibs shall be key type.
    12. Service Sinks
      1. Service sinks shall be similar to Stonite Precast Terrazzo Mop Service Basins as manufactured by Stonite Products Company.  Service basins shall be 24 inches square with three (3) inch wide and twelve (12) inch high shoulders and shall be cast as a single unit of terrazzo.  The sides of the service basin installed against any wall shall be provided with stainless steel tiling flanges cast integral with the basin and extending two (2) inches above the shoulders.  On exposed side the service basin shall be provided with integral cast stainless steel caps extending over the top of the shoulder and extending at least 1 1/2 inches down the sides.  Provide three (3) inch drain connection with stainless steel strainer plates and traps.  Install counter-flashing as required.  Stainless steel sink basins allowed with pre-approval by Responsible Maintenance Manager.
      2. Service sink fitting shall be equal to Chicago faucet No. 897 with bucket hook, wall brace, 3/4 inch threaded hose connection, vacuum breaker, and integral stops.
      3. When pre-qualified with Owner’s Authorized Representative and Responsible Maintenance Manager, mechanical spaces/rooms shall install service sink and appropriate storage for any necessary mechanical-chemical additives required for mechanical systems in that space.
      4. All service sinks shall have isolation valves on both hot and cold water lines.  Where angle stops are used, angle stops shall be commercial grade ¼ turn style.
    13. Roof Drains
      1. Roof drains shall be Josam or equal.
      2. Insulate drain body and all horizontal rain leaders.
    14. Sinks 
      1. 18 gauge, type 304 stainless steel (Kitchen, coffee bars, break areas, etc.)
      2. All sinks shall have isolation valves on both hot and cold water lines.  Where angle stops are used, angle stops shall be commercial grade ¼ turn style.
    15. Drinking fountains
      1. Will be the "high-low" dual use type, one at standard height and one at ADA height. A minimum of one drinking fountain per floor should be lower "wheelchair" height and locate on the accessible route of travel. The lower drinking fountain should also have a bottle filler.  Provide refrigerated fountains only where cold domestic water temperature at the point of service is 75 deg. F or higher. Refrigerated fountains should be installed on a timer or tied to building management systems to prevent running during unoccupied hours.
    16. Restrooms
      1. All locations, elevations, and correct size of bathroom accessories shall be shown on plans.
      2. In addition to the required restrooms per applicable building code requirements, a gender neutral, restroom shall be designed to meet the Universal Design Standards (Section 01 10 00, Design Requirements for OSU). There will be a minimum of one single stall restroom per building. If only one restroom is designed, then it shall be located on the first floor of the building. 
      3. Accommodations will include a changing table for infants.
      4. All restrooms must meet at a minimum ADAAG 2010 guidelines and 01 10 02:  Accessibility Best Practices for OSU.
      5. Wall-mounted partitions are preferred.
      6. Ceramic or Seamless floor construction shall be required
         

Last Updated: 
02/10/2020