September 2010 22 00 00 Plumbing
1.0 General
A. All work shall conform to the Illinois Plumbing Code (77 Illinois Admin. Code, Part 890), the Town of Normal regulations concerning water and sewer services and plumbing (Town of Normal Municipal Code, Chapters 7 and 12), regulations of the Bloomington and Normal Water Reclamation District, the Illinois EPA and other lawful governing bodies as well as these guidelines specific to Illinois State University.
B. Various chemicals are used in the research and teaching functions of the Institute. The policy of the University is "Under no circumstances should chemicals be disposed of by pouring into sinks or other drains leading to sanitary or storm sewers." The Illinois State Office of Environmental Health and Safety is responsible for collecting and disposing of chemical wastes.
C. When selecting, sizing, and locating equipment, allow access for future removal and replacement of the equipment. Also, provide sufficient clearance on all sides of the equipment for routine maintenance.
D. Sanitary Sewer
1. Design and construction of projects shall be in accordance with the
specifications of the municipality having jurisdiction. Sanitary sewers in the Town of Normal discharge into the Town of Normal sewers; design and construction for projects in these localities shall comply with Normal regulations.
2. No stormwater, groundwater, roof runoff, subsurface drainage,
uncontaminated cooling water, or unpolluted process water shall be discharged to the sanitary sewer (this list is not comprehensive).
3. Locate cleanouts per pluming code. Anytime a horizontal drain line for a urinal, lav, or sink runs into a tee, double wye, or cross, a cleanout should be placed in the vertical vent, a minimum of 1” above the flood stage of the fixture.
E. Accidental Discharge Prevention: Systems shall be designed so as to prevent
accidental discharges of prohibited or deleterious substances to sanitary or storm sewer. Where appropriate, curbs around sumps or floor drains shall be installed.
F. Floor drains are required in mechanical equipment rooms, kitchen, and
dishwashing areas, janitorial closets, garages, elevator pits, public toilet rooms, and similar areas.
September 2010
22 00 00-2
G. Hose bibs shall be provided in all restrooms with more than eight plumbing
fixtures and in any restroom that also has a shower stall. H. Mop sinks shall be provided in each janitorial closet.
I. Adequate provisions shall be made in all piping systems for thermal expansion and contraction by the proper use of swing connections, expansion loops, or expansion joints.
J. On remodeling projects where piping is being capped, remove abandoned piping
back to active mains. This will avoid dead legs of stagnant water.
K. Do not place piping in exterior walls or within the normal insulation space of ceilings or roof.
L. Sealing or firestopping of sleeves or structural openings shall be clearly specified in the contract documents. Contractors requiring firestopping shall hire personnel competent and experienced in such applications.
M. Sanitary clean outs to be installed higher than the flood rim and not installed in corridors, academic rooms, or high traffic areas.
2.0 Products
A. Water meters are required on building entrance service. Meter shall be Neptune T10 with E2 remote reading head, conforming to Town of Normal requirements. Meters shall read in gallons. Meters to be complete with plate strainers, three valve bypasses and pressure gauge on bypass. (refer to Detail 15400-1: Typical Water Meter) Consult Facilities Management for remote readout requirements.
B. Backflow Prevention: Must comply with all federal, state and local codes
pertaining to backflow.
C. Hot Wates/Storage Tanks: Use of hot water storage tanks shall be minimal.
Instantaneous heaters are preferred such as Aerco. Hot water storage tanks above 150 gallon capacity shall be Pre-Krete lined in the field after setting. Below 150 gallon, tanks shall be glass lined.
D. Soil and Waste Piping Systems: Use stainless steel clamps below grade. All
cleanouts shall be full line size.
E. Grease Interceptors shall be Rockford or equal, sized to suit applicable code. In commercial kitchen applications, all equipment and drains shall have grease interceptors installed according to code. Provide oil and water separators for garages.
September 2010
F. Emergency Showers: Water service to emergency showers and eyewashes shall
have a lock-shield type valve near the fixture to provide shut-off capability to service the fixture. Water to emergency showers and eyewashes shall be tempered to 70 to 90 degrees F within 10 seconds of delivery. Shower drains should be installed.
3.0 Execution
A. Air chambers shall be provided for each fixture, for each riser, for each flush valve and at each quick closing valve. Fixture supply lines, both hot and cold, shall each have a chamber at least equal to the line size by 18" long, Prefabricated copper chambers are acceptable. At risers and flush valves, air chambers shall be at least 24" long. Quick acting valves shall be protected with a commercial shock arrestor.
B. Tracer Wires: Whenever ductile iron or non-metallic piping is directly buried, installer shall provide tracer wire. Detectable underground tape, such as Ideal 42201 (3” wide x 5 mil) is acceptable.
September 2010
22 01 00-1 22 01 00 Operation and Maintenance of Plumbing 1.0 General
A. System designer/specifier shall pay particular attention to accessibility, quiet operation free of water hammer, and ease of maintenance.
B. Mechanical Equipment Rooms
1. All mechanical equipment shall be within Mechanical Equipment Rooms (MER).
2. MERs shall be large enough to encourage proper servicing of equipment and allow for future growth. Mechanical Rooms must be accessible by a standard stair or elevator. Ship's ladders and steep stairs are NOT acceptable. Rooftop elevator MER's shall have ventilation systems designed so that contaminated air from exhaust system, plumbing vents and cooling tower cannot be drawn into the space. Doors shall be a minimum of 36" wide. Adjoining pieces of equipment shall be separated by a minimum of three feet.
3. Equipment shall be spaced to provide room for future removal of heating coils, cooling coils and fans.
4. Mechanical Rooms shall be well lighted using energy efficient fluorescent lamps, and ballasts, with a minimum of 75 footcandles at floor. All lighting in MERs shall be on the emergency generator. Provide adequate electrical outlets, including one welding outlet.
5. Multiple floor drains are usually required in mechanical rooms. Do not run cooling coil condensate drains across the mechanical room floor. All floor drains are to be connected to the sanitary sewer system.
6. Plan for future removal and replacement access of equipment.
7. MERs above the lowest floor shall be curbed and all floor penetrations sleeved to 2" above the floor. Thermally and acoustically insulate MERs under occupied areas. Provide thermostatically controlled ventilation as required. MER's located above telephone switch rooms or other rooms containing electronic equipment shall have a waterproof floor.
C. Utilities
1. Consultants shall provide anticipated peak demand, as well as expected energy consumption of each utility.
2. Each utility shall be metered, with meters connected to the Apogee campus automation system for remote monitoring.
September 2010 2.0 Products
The University maintains a large stock of fixtures, fittings, valves, and other parts and wishes to limit the new items introduced on campus to those currently maintained. Where three or more manufacturers are listed, the university will generally not favor substitutions initiated by contractor requests. However, the University will require the consultant to provide a minimum of three items of comparable quality with potential for significantly improving a particular application or reducing life cycle costs.
A. Floor drains – shall be cast iron body with cover and finish to match area in which it is being installed. Use ductile iron covers in heavy equipment use area and nickel bronze in finished areas. Floor drains in trash rooms serving kitchens shall have hanging basket type sediment bucket. Floor drains in mechanical rooms may require a heavy duty adjustable 13" square top to accept multiple equipment drains. Manufacturers: Josam, Smith, Wade, or Zurn.
B. Roof drains – shall be cast iron body with flashing clamping ring and cast iron removable beehive strainer and sediment cup. Outlet to match type of pipe. Manufacturers: Wade, Zurn, Josam, or Smith.
C. Trench drains – shall be modular precast polymer concrete, cast iron, or polyester fiberglass trench sections with presloped 4" wide radiused interior waterways, knockouts, endcaps, cast iron frame and slotted ductile iron grate, extra heavy duty rated, stainless steel grate holdowns. Manufacturers: Aco, Neenah, Josam, Zurn.
D. Cleanouts – shall be same size as the pipe or as required for testing and access. Cleanouts shall consist of proper drainage fitting at main and terminated with ferrule and brass screw plug. Interior cleanouts located in the floor shall be adjustable type with a finish compatible with the type of floor surface: cleanouts in walls shall have a chrome cover plate or be behind an access door. Exterior cleanouts shall have a heavy duty frame, cover, and interior brass plug with lead seal. Exterior cleanouts shall be set in concrete at least 4" thick and 24" square. Manufacturers: Smith, Zurn, Wade, or Josam. Locate cleanouts per plumbing code. Anytime a horizontal drain line for a urinal, lav, or sink runs into a tee, double wye, or cross, a cleanout should be placed in the vertical vent, a minimum of 1” above the flood stage of the fixture.
E. Air gap fittings – shall be made to provide a fixed gap between drains which is open to atmosphere. Manufacturers: Zurn, Josam, Smith, or Wade.
F. Backflow preventers – shall be made by Wilkins (#975XL) or equal. Locate vented backflow preventers where relief discharge spillage is not a hazard or problem; otherwise, pipe discharge to a drain. Hose connection vacuum breakers shall be Watts 8, or equal.
September 2010
22 01 00-3
G. Water hammer arrestors – shall be made by Watts, PPP Industries, or Sioux Chief. H. Strainers – shall be made by Sarco, Illinois, Zurn, Dunham Bush, or Mueller. All strainer elements shall be either stainless steel or monel, with No. 20 mesh screen. Domestic water service strainers shall be entirely non-ferrous.
I. Preferred Manufacturers:
Balancing Valves, Water Armstrong, B&G, Wheatley Water Heaters, Direct Aerco
Insulation Owens-Corning, Johns-Manville, Nortec, Armaflex
Interceptors Rockford
Lavatory Faucets Commercial Grade American Standard, Chicago, Speakman, Kohler, or Delta
Commercial Kitchen Faucets Chicago or T&S Brass
Motors GE, Toshiba, Reliance, Marathon, Baldor Motor Starters SquareD, AB, Cutler-Hammer, GE, Toshiba Pipe, Polypropylene Enfield, Fuseal
Plumbing Drains & Supports Wade, Zurn, Josam
Plumbing Fixtures Kohler, American Standard Plumbing Flush Valves Sloan, Zurn
Pumps, Sump Aurora, Hydromatic, Weil, Zoeller Pumps, Water (Hot and Cold) Aurora, Bell & Gossett, Gould, Grunfous
Showerheads Sloan #AC-11-B-3, Kohler
Valves, Ball Milwaukee, Stockham, Nebco, Sharpe,
Apollo, American 4000 Series
Water Closet Seats Church
Water Coolers Elkay, Halsey Taylor Water valves, Underground Clow C504
3.0 Execution
A. Floor drains and interior trench drains shall be connected to the sanitary sewer system.
B. Roof drains and exterior trench drains shall be connected to the storm sewer system.
C. Drains open to the atmosphere or in unheated areas may have to be insulated when passing through occupied spaces to prevent condensation.
D. Drains from upper floors shall be insulated to reduce disturbing noise levels in occupied spaces below even if condensation is not an issue.
September 2010
E. Locate cleanouts to be practical for servicing at each turn, at the base of each stack before it enters the ground, where lines leave the building, and not over 50 feet apart.
F. Equipment drain traps shall be the correct depth to prevent siphoning of trap due to high pressure or vacuum.
G. Use scupper drains where regular drains may become clogged.
H. Install water hammer arrestors at all quick closing valve installations and where indicated on drawings.
I. Backflow preventers on main water supply to buildings shall be installed with strainers in parallel with ball or shut-off valves. Install pressure gauges on both sides of PRV.
March 2007
22 05 13-1 22 05 13 Common Motor Requirements for Plumbing 1.0. Motors
A. Most buildings on campus are 208/3/60 or 480/3/60 guarantee motors to
meet appropriate supply.
B. Motors below 1/2 HP shall be 120/1/60. Motors 1/2 HP and above shall
be 200/3/60 or 208/3/60, 230/3/60 or 240/4/60, or 480/4/60 on 480/3/60 volt systems, 208/230 volt dual range motors are not preferred. Motors shall be of the high efficiency, high power factor type for minimum life cycle costs. Motors 2 HP and above shall be of cast iron end bell construction. Guaranteed minimum motor efficiencies, based upon IEEE tested method 112-b, shall be listed for each motor on the project and shall not be less than the following for 1800 RPM motors:
HP EFF 3 88.1 5 88.1 7.5 89.8 10 89.8 15 91.4 20 92.0 25 92.7 30 92.7 40 93.3 50 93.3 60 93.3 75 94.3 100 94.3 125 94.3 150 95.2
C. For equipment expected to run more than 12 hours per day or more than
3,000 hours per year, use “premium efficiency” motors, per NEMA standard.
D. The engineer shall note that the operating speeds for high efficiency
motors are higher than standard speeds. Overloads can result.
E. Variable speed drives are addressed under Section 23 05 15 - Variable
September 2011 22 05 23 Valves 1.0 General
A. Unless otherwise noted, all valves for shut-off service shall be gate, globe or ball valves, Bypass valves to be globe. For domestic water systems, use ball valves up to 4”; larger size piping requires gate valves, except for main water shut off by water meter use 6” ball valves.
B. Valves for balancing operations shall be balancing valves.
C. All end connections shall be the same as is used for fitting for 2” and below. 2½” and above, valves shall be flanged.
D. All valves shall labeled with the 1½” brass tags bearing a letter to indicate the service and a number to indicate the valve. A permanent valve chart and system schematic diagram shall show the location of all valves.
E. A manufacturer’s valve tag shall be on all valves identifying the valve type and major component materials.
F. Insulated valves shall have extended handle stems if needed.
G On all valves the packing compression is to be independent of the stem, ball or handle systems. All valve stems are to be
blowout proof.
H When control valves are included in the system, there shall be Isolation valves added on either side of the control valve to allow
September 2011
22 05 23-2
2.0 Products
A. Ball Valves
1. Female iron pipe ball valves on all branches to start with, then after that you can use sweat type.
2. Cast iron valves must be epoxy coated for use in domestic water per Illinois State Plumbing Code.
2. For all water services, low pressure condensate and all other normal non-corrosive services, ball valves shall be:
Body Bronze, cast iron, stainless steel
Body Style Standard Port
Trim 316 Stainless Steel Ball and Stem
Seat Reinforced Teflon (RTFE), 15%
glass filled double seal Seat Working P/T Rating 200 psig @ 250°F Minimum Body Working P/T Rating 200 psig @ 300°F Minimum
WOG Rating 200 psig Minimum
Saturate Steam Rating
125 psig Minimum
3. Obtain approval of Facilities Management for special applications.
4. Minimum Flow Coefficients (Cv)
Size Cv ½” 8 ¾” 14 1” 35 1¼” 50 1½” 75 2” 110 2½” 300 C. Check Valves
September 2011
2. 2½ “ and over – non slam type globe styled lift check, tilting disc or wafer body non-slam type lift check. Double disc or bi-folding disc type valves are not acceptable.
D. Gauge Valves
1. Provide needle valves for shut-off on all pressure gauges at the gauge and separate ½” ball valves for the various taps to the gauge on a manifold gauge.
E. Control Valves
1. Control shall be DDC controlled, not pneumatic. Retrofits may
incorporate DDC actuators on existing valves. Acceptable manufacturers are Belimo, Siemens, and Johnson Controls.
F. Mixing Valves
1. Shall be constructed to be easily maintained and resistant to harsh water conditions . Must be metallic construction.
2. Mixing valves of the thermostatic type shall not have a bi metal coil.
3. Mixing valves shall have shut off valves in addition to the
manufacturer supplied stops in the mixing valve assembly.
4. Preferred manufacturers: Bradley, Leonard, Powers or Cash Acme. 3.0 Execution
A. Each valve shall be located and installed so that it is easily accessible for operation, visual inspection, and preventative maintenance.
B. Prior to flushing of piping systems, place all valves in full-open position.
C. Install shut-off valves at each piece of equipment, and at each branch take-off from mains for isolation or repair, as indicated on drawings.
D. Provide drain valves for complete drainage of all piping systems. Pipe discharge to nearest floor drain.
E Blowdown valves shall be provided for all strainers.
F. Mixing valve installation will include a “T” above the mixing valve in the mixed water line to accommodate setting the temperature at the valve. The “T” will be an integral part of the mixing valve assembly and will include a shut off valve with hose connection.
G. Mixing valves will be installed in maintenance equipment rooms for ease of
March 2007
22 07 00-1 22 07 00 Plumbing Insulation
1.0 General
A. Insulating materials shall be fire retardant, and moisture resistant.
B. Adhesives, sealants and protective finishes shall be as recommended by the insulation manufacturers for the specified application.
C. Insulator of all chilled water piping and equipment shall provide a complete, continuous vapor barrier.
D. Vapor barriers shall also be provided on cold water and storm water systems. E. Insulation subject to traffic loads shall be protected with metal jackets. Jacket
edges shall be rolled or eased to prevent injury to personnel. Use .010 stainless steel or .016 aluminum.
F. Fittings, Valves and Specialties shall be insulated with factory molded fittings of the same thickness as adjoining pipe. Flexible, custom formed and removable jackets for heating valves or specialties are acceptable.
G. Insulated valves shall be specified with extended handles.
H. Chilled water pumps shall be enclosed in a removable insulated box that allows access to the pump with no disruption of the piping or electrical connections or with a minimum 1" 25/50 fire rated Armaflex insulation.
I. Strainer bodies shall be insulated. All or a portion of the insulation shall be removable to allow access to the strainer basket.
2.0 Products
A. Acceptable manufacturers include Armstrong, Certaineed, Dow, Owens-Corning, Imcoa, Childers, and Rubatex.
B. Rigid fiberglass insulation is preferred on steam distribution and condensate return lines.
C. Polyolefin insulation is preferred for direct burial service when temperatures do not exceed 200 degrees F.
D. Fitted, removable insulating jackets for valves and fittings shall be equal to those manufactured by Advance Thermal Corporation.
March 2007
3.0 Execution
A. Do not insulate systems or equipment until pressure testing and inspections are completed.
B. Cover and seal exposed fiberglass insulation when insulation is terminated. Provide neat and coated insulation at nameplates, uninsulated fittings, and other locations where insulation is terminated.
C. Longitudinal joints shall be visible in all mechanical rooms, chases, and above ceilings. In public spaces, longitudinal joints shall face the ceiling or adjacent wall.
D. Insulation shall be continuous through sleeves and openings. Vapor barriers shall be continuous through all penetrations.
March 2007
22 13 29-1 22 13 29 Sewage Ejectors
1.0 General
A. Ejector pumps for sewage within buildings or tunnels shall be duplex type. Pump discharge shall be direct to an exterior manhole.
B. Engineer must assess whether mechanical ventilation of the sump pit is required. C. Pumps handling sewage or other waste solids shall be of the non-clog type.
D. Sewage ejectors should be designed to handle plumbing fixtures within basement areas only. Sewage from floors above grade should flow by gravity to outside sewage systems.
2.0 Products
A. Sewage ejector assemblies shall consist of centrifugal volute casings, bronze impellers, long split steel pump shafts, thrust bearings, metal guide bearings, flexible couplings, float switches with copper floats, low speed motors (1750 rpm, or less), and float guide pipes.
B. Duplex pumps shall be provided with separate electrical feeds and separate
disconnects to allow servicing and repairs without interrupting pump operations.
C. Combination fused motor starters with lead/lag pump control, pump operating
pilot lights, and automatic lead pump selector switch with a 7 day timer, completely pre-wired in a wall-mounted control panel shall be furnished and installed for each pump installation and set to exercise the lag pump weekly. D. A high water float switch and alarm bell shall be furnished with each installation.
The high water float switch shall send an alarm signal to the nearest BAS panel. 3.0 Execution
A. Duplex pumps in tunnels should be backed up from emergency power circuits,
whenever possible.
B. Sump covers shall be split-type to allow access without removal, or disassembly of piping.
C. Each individual pump discharge line shall have a swing check valve, mounted
March 2007
22 14 29 Sump Pumps 1.0 General
A. Sump pumps within buildings or tunnels shall be duplex type. Pump discharge
shall be direct to an exterior manhole.
B. Engineer must assess whether mechanical ventilation of the sump pit is required. 2.0 Products
A. Sump pump and sewage ejector assemblies shall consist of centrifugal volute
casings, bronze impellers, long split steel pump shafts, thrust bearings, metal guide bearings, flexible couplings, float switches with copper floats, low speed motors (1750 rpm, or less), and float guide pipes.
B. Duplex pumps shall be provided with separate electrical feeds and separate
disconnects to allow servicing and repairs without interrupting pump operations.
C. Combination fused motor starters with lead/lag pump control, pump operating
pilot lights, and automatic lead pump selector switch with a 7 day timer, completely pre-wired in a wall-mounted control panel shall be furnished and installed for each pump installation and set to exercise the lag pump weekly. D. A high water float switch and alarm bell shall be furnished with each installation.
The high water float switch shall send an alarm signal to the nearest BAS panel. 3.0 Execution
A. Duplex pumps in tunnels should be backed up from emergency power circuits,
whenever possible.
B. Sump covers shall be split-type to allow access without removal, or disassembly of piping.
C. Each individual pump discharge line shall have a swing check valve, mounted
March 2007
22 30 00-1 22 30 00 Plumbing Equipment
1.0 General
A. System designer/specifier shall pay particular attention to life cycle cost, energy efficiency, accessibility, and ease of maintenance.
B. Plumbing equipment drains and blow-downs shall be piped to the nearest floor
drain.
C. Water heaters, Softeners, storage tanks, and booster pumps shall be mounted on concrete housekeeping pads. Adjust and level equipment.
2.0 Products
A. Instantaneous Steam Water Heaters – are preferred and shall have a steam control element not exceeding six feet per second. All materials in contact with domestic water shall be non ferrous, type L copper, Design shall allow the entire heat exchanger to be partially or completely dismantled without removing either the potable water connectors or the heating connectors. Each module shall have a separate individually operated electric steam valve. Water heater shall be specified as a complete system, including circulating pump, temperature and pressure relief valves, steam and condensate strainers and traps, pressure gauges, water thermometers, insulated steel jacket, isolation ball valves, control package, etc. Preferred Manufacturer: Aerco
B. High-efficiency commercial gas fired water heaters – as made by Aerco, A.O.
Smith, or American may be considered for special circumstances. Where approved, each heater shall be specified as a complete system including valves, gauges, controls, etc. Attention shall be given to ease of maintenance and accessibility to critical components.
C. Point of use electric water heaters – as made by A.O. Smith American or State, may be considered for special circumstances. Where approved, each installation shall meet applicable plumbing and electrical codes for this jurisdiction and shall be a complete system. Installation shall include a tank with an insulated steel jacket, temperature and relief valve, drain valve, wall bracket, replaceable heating element, adjustable thermostat control, energy cut-off, on-off switch, cord with grounded plug.
D. Hot water recirculating pumps – shall be quiet operating booster type as
manufactured by Bell & Gossett, Grunfouss or Taco. Pumps shall be pipe mounted with all bronze casting and impeller, rated for 125 psig. Control scheme shall depend on particular application.
March 2007
E. Domestic water booster pumps shall preferably be factory packaged duplex
pumps with all components fully frame mounted, piped, painted and wired and tested at the factory. Manufacturers: Aurora, Bell & Gossett, Weil, or Taco. Complete control package shall be provided, including alarms, and connected to the building automation system. Some applications will require variable frequency drives, selected to match pump characteristics. Provide a compression tank of at least thirty gallon capacity mounted at the top of the building to minimize excessive pump cycling.
3.0 Execution
A. Install isolation valves and unions to allow replacement or repair of equipment with minimal effort and disruption to surrounding equipment, systems, or processes.
September 2011
22 40 00-1 22 40 00 Plumbing Fixtures
1.0 General
A. The University maintains several standard plumbing fixtures and wishes to limit the new fixtures on campus to those currently maintained.
B. Accessible fixtures shall comply with the most current State and Federal
accessibility guidelines.
C. Fixture installations shall be designed for ease of maintenance and cleaning. Stop valves shall be heavy duty type. Fixture stops shall be readily accessible, but vandal proof. Valve groups of fixtures to allow isolation for maintenance.
D. Designer shall provide details of securing wall mounted fixtures. Attention
should be given to a firm backing from 6" above to 6" below and across the full width of the fixture.
E. In new construction, restroom fixtures shall be mounted on floor mounted carriers set in concrete masonry unit walls with the carrier grouted into the wall for added rigidity.
F. Drinking fountains, eye wash stations, and safety showers shall be connected to high use water supply lines. Connections to "dead end" branches are unacceptable.
2.0 Products
A. Preferred Fixtures
1. Non gravity tool, Wall mounted Kohler, America Standard or comperable
Non gravity Floor mounted Tank type stool
Kohler, American Standard, Mansfield Kohler, American Standard, Mansfield
2. Lavatory Mansfield, Gerber or Kohler
3. Flush Valves Sloan Royal series or Zurn
B. Consultant will be required, based upon the models above, to provide a minimum of three manufacturers of each product
C. Fixture carriers – shall be heavy duty commercial grade as manufactured by
Smith, Josam, Wade, or Zurn. Carriers shall be adjustable, floor mounted, foot type.
September 2011
D. Faucets – shall be commercial use types by Kohler,American Standard, Chicago
or Delta. All automatic faucets shall be electric eye motion detecting faucets. Mechanical-type self closing faucets are not acceptable. No faucets shall be constructed of a non-metallic material.
E. Urinals – shall be wall mounted type When urinals are mounted on drywall or
plaster walls there shall be sufficient backing material to support urinal. Manufacturers: Kohler, American Standard, orMansfield. Prefer Kohler 4960 ET (Bardon), or 5016 ET (Dexter).
F. Electric Water Coolers – shall be mounted on backing boards, top and bottom
with bottom anchored to the wall, ADA accessible, capable of producing eight gallons per hour at 50 degrees F. Manufacturers: Elkay, Halsey Taylor, or Oasis. G. Shower mixing valves – shall be pressure balanced to avoid scalding with changes
in water system pressures. Adjustable temperature stop shall be set no higher than 110 degrees F. Shower valves which have diverters to change flow from fixed head to hand held shall be of a type that cannot shut off the flow of water to both heads at the same time. Water must be controlled by mixing valve. Manufacturers: Symmons, Leonard, Speakman, Zurn, or Delta.
H. Mop basins – shall be precast terrazzo or molded stone, min. 36" x 36" x 5” with stainless steel edge protectors, 3" drain, wall mounted hot and cold mixing faucet with vacuum breaker and 3/4" hose connection. Backsplash of at least 18” tall shall be installed on the walls surrounding mop sinks. Backsplash material to be water and mold proof. Manufacturers: Fiat, Mustee, or Stern-Williams.
I. Safety showers and eyewash stations – shall be located adjacent to the exit
doorway of every laboratory and near each chemical treatment or mixing station in mechanical spaces. Manufacturers: Bradley, Chicago Faucet, Speakman, or Guardian. Drains shall be beneath the showers.
J. Sillcocks – shall be non-freeze integral vacuum breaker type. Each sillcock shall have its own isolation valve inside the building. Provide at least one sillcock on each side of the building. Manufacturers: Woodford, Zurn or comparable.
3.0 Execution
A. All trim exposed to view shall be chrome plated brass with chrome plated brass escutcheon plates.
B. Screwed nipples serving fixtures from copper supply lines shall be solid brass to avoid electrolytic corrosion.
C. Flush valves shall be exposed and shall have screw driver stops and cap and
September 2011
22 40 00-3
D. Provide a floor drain in the vicinity of wall mounted urinals and toilets.
E. Provide unions at water connections to drinking fountains and electric water
coolers. Compression stop or a line compression coupling will suffice.
F. When creating unions off a female fitting use a brass nipple then a copper F.I.P. adapter. When coming off a male galvanized fitting, screw a copper F.I.P adapter right onto it. Avoid dielectric unions.
