Plumbing

220100 – OPERATION AND MAINTENANCE OF PLUMBING

On renovation projects utilizing existing under floor, in grade sanitary or storm drainage piping, the under floor, in grade piping shall be jet cleaned and video inspected prior to final design. Video inspection shall be recorded and saved to a compact disk or other electronic media. Video inspection shall be conducted in a manner that corroded, damaged or otherwise unusable piping can be located.
Water systems shall include a sufficient number of isolation valves to allow maintenance and replacement of terminal fixtures and equipment without requiring a shutdown of the entire building or large areas of the building.

220513 – COMMON MOTOR REQUIREMENTS FOR PLUMBING EQUIPMENT

Motors shall be NEMA design for their particular application; inverter service rated for those used variable frequency drives. Service factor shall be 1.15 minimum. Motors shall be sized so as not to operate in the service factor range at any point on the curve.

220519 – METER AND GAUGES FOR PLUMBING PIPING

Gauges shall be 4.5” diameter Bourdon tube type, with lead-free bronze ball valve and pressure snubber. Accuracy shall be 1-percent at midrange. Pressure gauges on the discharge side of pumps shall be liquid filled.
Thermometers shall be mercury-free, 9-inch column type, red-reading organic liquid filled with adjustable angled hinge, insert stem and separable well.

220523 – GENERAL-DUTY VALVES FOR PLUMBING PIPING

Valves for domestic water systems shall be ball-type, unless specifically required by codes or standards to be another type, or if dictated by size.
General purpose valves, 3-inch size and smaller shall be ball-type, two piece, lead-free bronze body, ball and stem.
General purpose valves larger than 3-inch size shall be OS&Y gate-type or butterfly-type. Butterfly valves shall include a tapped lug ductile iron body, stainless steel disk and stem, manual gear operator, for bi-directional bubble-tight service.

220553 – IDENTIFICATION OF PLUMBING PIPING AND EQUIPMENT

Each valve shall be identified with a stamped tag. Valves shall be scheduled.
Labels, tags and markers shall comply with ANSI A13.1-2007 for lettering size, colors and length of color field.
Piping shall be identified by color bands or stenciling and flow arrows showing the direction of flow. Color selection and designations shall be per the following chart.

Piping color bands table
Service	Color	Designation
Compressed Air	White on Blue	COMP AIR
House Vacuum	White on Blue	HOUSE VAC
Natural Gas	Black on Yellow	GAS
Hydrogen	Black on Yellow	HYD
Nitrogen	White on Blue	NIT
Oxygen	White on Blue	OXY
Dom Cold Water	White on Green	DCWS
Dom Hot Water	White on Green	DHWS
Dom Hot Water Return	White on Green	DHWR
Deionized Water	White on Green	DZDW
Distilled Water	White on Green	DSTLW
Soft Water	White on Green	SFTW

220576 – FACILITY DRAINAGE CLEANOUT

Cleanouts located in floors shall be two-piece adjustable housing, NPT gasketed plug and round non-slip nickel-bronze cover with securing screw and accessories to accommodate finished floor material.
Cleanouts located in walls and partitions shall be cast bronze plug and round stainless steel access cover secured by vandal-proof center screw.
Exterior cleanouts in areas not subject to vehicular traffic shall be cast iron two-piece adjustable housing, NPT gasketed plug and round non-slip cast iron top with securing screw. Where subject to vehicular traffic, cleanout shall be NPT gasketed plug, heavy duty double flanged housing and round non-slip cast iron cover with securing screws.

220719 – PLUMBING PIPING INSULATION

Insulation shall be provided for domestic cold water, domestic hot water, domestic hot water return piping, condensate drainage piping, the body of drains receiving cooling condensate, above grade horizontal storm drainage piping and roof drain bodies. All insulation thicknesses shall meet the referenced edition of ASHRAE 90.1.
Insulation shall be closed-cell elastomeric insulation, tubular and sheet form, flexible pipe insulation. Insulation will be manufactured without the use of CFC’s, HCFC’s or HFC’s. Insulation shall meet ASTM C534 and also be formaldehyde free, low VOC and resistant to mold and mildew
Insulation shall be factory molded tubular fiberglass with "all service" jacket having an integral vapor barrier. Insulation will be GreenGuard certified for low formaldehyde and VOC emissions.

221116 – DOMESTIC WATER PIPING

All piping and pipeline, valves, devices and appurtenances supplying drinking water for human consumption shall conform to the requirements of NSF/ANSI 61, Annex G and NSF/ANSI-372.
Sizing the domestic cold water piping distribution system shall be established by diversified flow, based on fixture count and supply fixture units, and equipment requirements. Pipe sizing for domestic cold water shall be based on a maximum 8 feet per second (fps) water velocity and/or 3 psig/feet pressure loss. Pipe sizing for domestic hot water shall be based on a maximum 5 feet per second (fps) water velocity and/or 3 psig/feet pressure loss.
Interior domestic cold water piping, sizes 4-inch and smaller, shall be Type “L” ASTM B88 seamless hard drawn copper with wrought copper or cast bronze solder (lead free) fittings ASTM B16.22, electro-hydraulic compression crimped fittings with EPDM seal, or mechanically formed extruded outlets (ASTM B31.9 Section 930.2) with brazed joints.
Interior domestic water piping, larger than 4-inch size, shall be Type 316L, schedule 10 stainless steel with butt-welded fittings and joints / roll grooved mechanical coupling and EPDM gasket.
Non-metallic piping shall not be used unless specifically pre-approved by the University.

221119 – DOMESTIC WATER PIPING SPECIALTIES

Backflow prevention shall be provided where contamination of the potable water system is possible and in compliance with the Plumbing code and EPA requirements. Air gaps shall be utilized wherever possible. Where air gaps are not possible, ASSE listed backflow preventers shall be utilized.
Reduced pressure zone backflow preventers shall be installed selected to minimize pressure drop at the probable peak demand flow rate of the service. Backflow preventer shall be minimum line size, where a single device is installed. Where water flow to the building or service is critical, as defined through consultation with the University, duplex backflow preventers shall be installed. Air gap fittings shall be provided at the relief valve outlet, and air gap fitting discharge shall be piped full size and air gapped over a floor drain. Floor drain capacity shall be capable of handling the full flow discharge of the backflow preventer relief valve.
Thermal expansion tanks shall be sizes based on the design minimum and maximum system temperatures, maximum operating pressure, maximum anticipated service pressure and Boyles’ law. Tanks shall be ASME labeled for 125 PSI, fitted with a NSF or FDA approved liner or bladder, stainless steel system connection and air charging valve.
Hot water recirculating pump shall be pipe mounted type, lead-free all bronze casting and impeller or NSF 61 stainless steel, constructed for 125 lb. pressure, complete with flexible motor coupling, resilient motor mounting and flanged fitting with gaskets. Small pumps can be wet rotor design. Pumps shall be quiet operating type. Control of recirculation pumps shall be start and stop by return water temperature, or time clock through the building automation system.
Provide wall mounted hose bib with loose key handle in all toilet rooms with more than one water closet or urinal.

221113 – DOMESTIC WATER PUMPS

Domestic water booster pumps shall be provided where service pressure to the building is inadequate to supply plumbing fixtures and/or equipment with the proper operating pressure.
Pump systems shall be factory packaged, factory tested and third party certified. Pump systems shall be minimum duplex design. Pumps shall utilize variable frequency drives, unless specifically approved based on the application, to be constant speed. An accumulator tank shall be provided as part of the pump package where the turndown ratio of the pump system exceeds the system minimum flows.
Pump packages supplying critical buildings or services shall be sized such that the design demand can be satisfied with the largest pump inoperable.
Pump packages shall be installed on a concrete equipment pad, bolted and grouted in place.

221316 – SANITARY WASTE AND VENT PIPING

Interior above grade sanitary waste and vent piping shall be service weight centrifugally cast iron with hub and spigot ends (ASTM A74) with drainage pattern fittings and push tight gasket joints, or service weight centrifugally cast iron with hubless ends (ASTM A-888) with drainage pattern fittings and heavy duty (80 ft-lbs torque) no-hub couplings (ASTM C1540).
Above grade pipe fittings, 5-inch size and larger, shall be restrained per CISPI standards.
Interior sanitary waste piping, in grade below the floor slab, shall be service weight centrifugally cast iron with hub and spigot ends (ASTM A74) with drainage pattern fittings and push tight gasket joints.
Maintain a minimum 4” backfill depth between the top of the pipe hub and bottom of the floor slab for all piping installed in grade below the floor.
All cast iron waste and vent pipe shall be marked with the collective trademark of the Cast Iron Soil Pipe Institute.
Non-metallic piping shall not be used unless specifically pre-approved by the University.

221319 – SANITARY WASTE PIPING SPECIALTIES

In addition to code required locations and general floor drain locations to receive indirect waste from fixtures and equipment, floor drains shall be provided in each toilet room, at each emergency shower location, and in all electric rooms.
Floor drains in finished areas and/or mechanical rooms shall be cast iron body, integral seepage pan, with clamping flange. Strainer shall be adjustable nickel bronze or stainless steel in finished areas and adjustable or fixed cast iron in mechanical rooms and other unfinished areas.
Floor drains near water softeners, reduced pressure backflow preventers and other high discharge flow equipment shall be cast iron body, deep sump style with flat bottom strainer and half or no top grate.
Floor drains in kitchen areas, will be stainless steel body, integral seepage pan, with clamping flange. Strainer shall be square or round, and be stainless steel.
Drains not receiving consistent waste flow will be primed with a trap priming device.
Chair carriers shall be provided for all wall mounted plumbing fixtures. Chair carriers, ASME A112.6, shall be concealed type, specifically design for the fixture supported. Chair carriers shall be mounted to the floor slab utilizing all available bolt holes.
Backwater valves shall be provided for all lower level drains that are subject to backflow from surcharging of site sanitary sewers. Backwater valves shall be accessible for inspection and repair.

221323 – SANITARY WASTE INTERCEPTORS

Garage waste interceptor shall be constructed of 5000 lb. reinforced concrete complete with vent and cleanout openings and cast iron manhole frame and cover. As an option garage waste interceptor shall be constructed of reinforced fiberglass with single-wall construction, using polyester resin suitable for underground installation.
Kitchen waste interceptor shall be a precast basin constructed with minimum 4000 lb. strength concrete, with manhole openings, cast iron manhole frames and gas tight covers, and internal baffles. As an option, kitchen waste interceptors shall be molded, seamless high density polyethylene construction, load rated covers; flow controller and engineered inlet and outlet flow diffusers; integral air relief/anti-siphon ports; adjustable bolt-on access extension(s) as necessary for proper installation depth. The interceptor shall be certified by NSF and listed by IAPMO to ASME A112.14.3. As an additional option, kitchen waste interceptors shall be single-wall fiberglass reinforced plastic (FRP), capable of withstanding a 5-psig internal pressure test.. Access openings, extension risers and access lids shall be manufactured of FRP.
Consult with the University to determine the need for acid waste interceptors prior to the start of plumbing systems design. Acid Waste Interceptor shall be seamless, rotationally molded and constructed of high density polyethylene or polypropylene (with reinforced fiberglass wrap if partially direct buried) and complete with gasketed and bolted cover, gas tight threaded manway, adjustable extension, and tappings for inlet, outlet and vent. Limestone fill shall be 1” to 3” diameter size with a calcium carbonate content greater than or equal to 90%.
All interceptors shall be installed below grade, exterior to the building. Interceptors subject to traffic shall be rated for H20 loading.

221326 – SANITARY SEWERAGE PUMPS

Sewage ejector pumps shall be submersible type, duplex design, with anti-floatation design basin and gas tight lid, pipe flanges and cord grips. Pumps shall be open volute design, rated to pass minimum 2-inch solids. Pumps shall be removable via chain, or when basin exceeds 6-feet deep a stainless steel slide rail removal system shall be provided. Pump system controls shall include lead/lag operation, alternating operation and overload protection. Pumps operation shall be controlled by mechanical float level switches. A separate high level alarm panel and associated mechanical float switch shall be provided. Alarm panel shall provide remote annunciation to the building automation system.
Sewage ejector pumps for applications where waste flow includes solids not capable of being passed by open volute design pumps shall utilize grinder style or chopper style pumps.

221400 – FACILITY STORM DRAINAGE

All building roof systems shall include a secondary (emergency) means of roof drainage, sized equal to the primary roof drainage system. The secondary drainage method, separately piped interior drainage system or exterior scupper drain system, will be decided through consultation with the University and the Architect, and will depend on a number of design elements, including roof design, roof structure, roof material, parapet design, aesthetics, and other factors.

221413 – FACILITY STORM DRAINAGE PIPING

Interior above grade storm drainage piping shall be service weight centrifugally cast iron with hub and spigot ends (ASTM A74) with drainage pattern fittings and push tight gasket joints, or service weight centrifugally cast iron with hubless ends (ASTM A-888) with drainage pattern fittings and heavy duty (125 ft-lbs torque) no-hub couplings (ASTM C1540).
Above grade pipe fittings, 5-inch size and larger shall be restrained per CISPI standards.
Interior storm drainage piping, in grade below the floor slab, shall be service weight centrifugally cast iron with hub and spigot ends (ASTM A74) with drainage pattern fittings and push tight gasket joints.
Maintain a minimum 4” backfill depth between the top of the pipe hub and bottom of the floor slab for all piping installed in grade below the floor.
All cast iron waste and vent pipe shall be marked with the collective trademark of the Cast Iron Soil Pipe Institute.
Non-metallic piping shall not be used unless specifically pre-approved by the University.

221426 – FACILITY STORM DRAINS

Roof drains shall consist of cast iron bodies and cast iron dome strainers, gravel stop, under deck clamp, sump receiver, expansion joint and extension fitting to accommodate roof insulation thickness. A clamping device for attaching flashing or membrane to the seepage pan shall be provided. Strainer openings shall have a combined area equal to twice that of the drain outlet size. Drains used for secondary drainage shall include a 2-inch size standpipe inside the strainer.

221429 – SUMP PUMPS

Elevator sump pumps shall be provided in elevator pits and shall indirectly discharge into the sanitary drainage system or to a safe point exterior of the building. A high level alarm panel with remote annunciation capability shall be provided. Elevator sump pumps shall have a minimum capacity of 50 gallons per minute, in compliance with ASME A17.1 Safety Code for Elevators and Escalators.
Sump pumps shall be submersible type, duplex design, with anti-floatation design basin and loose fit lid with pipe flanges and cord grips. Pumps shall be open volute design, rated to pass minimum 0.75-inch solids. Pumps shall be removable via chain, or when basin exceeds 6-feet deep a stainless steel slide rail removal system shall be provided. Pump system controls shall include lead/lag operation, alternating operation and overload protection. Pumps operation shall be controlled by mechanical float level switches. A separate high level alarm panel and associated mechanical float switch shall be provided. Alarm panel shall provide remote annunciation to the building automation system.

221513– GENERAL SERVICE COMPRESSED-AIR PIPING

Pipe shall be Schedule 40 black steel ASTM A-53 Type E and F. Fittings shall be ASTM A234 steel welding type and/or ASTM B16.3 threaded malleable iron, consistent with joint requirements.
Pipe shall be extruded aluminum ASTM B241. Fittings – Polyamide with fiberglass or treated aluminum push type body and nuts conforming to UL94HB, with gripping ring for sizes 1.5-inch and smaller and double clamp ring for 2.5-inch and larger. Rated system pressure shall be 185 psig at 140 degrees F. Piping and fittings are to be by same manufacturer. Pipe hangers shall be as manufactured by piping system manufacturer.
Pipe shall be Type "L" seamless hard drawn copper tubing. Fittings shall be ASME B16.22 wrought copper or cast bronze, solder ends with soldered joints.

221516 – GENERAL SERVICE COMPRESSED-AIR VALVES

General purpose valves, 2.5-inch size and smaller shall be ball-type, two piece, bronze & stem, chrome plated brass ball, safety vent, blowout-proof stem.
General purpose valves 3-inch size and larger shall be butterfly-type. Butterfly valves shall be lug style manufactured in accordance with MSS SP-67 and be rated at least 200 psi non-shock cold working pressure. Body shall be cast iron or ductile iron. Valve shall have plated ductile iron or aluminum bronze alloy disc with Buna-N rubber seat and seals, stainless steel stem, lever or gear operator.

221519 – GENERAL SERVICE PACKAGED AIR COMPRESSORS AND RECEIVERS

Compressor shall be reciprocating type with high efficiency intercooler, mounted on a horizontal or vertical receiver, simplex or duplex depending on application, constructed for 200 psig, ASME labeled with pressure switch, relief valve, pressure gauges and drains. Compressors shall not to exceed a decibel level above 85 db, or shall be equipped with sound attenuation to reduce the decibel level to below 85 db.
Scroll type?, screw type?
Additional accessories shall include factory installed air‑cooled aftercooler, belt guard, inlet air filter and sound muffler, low oil level shut‑down, electronic tank drain valve, vibration isolators, UL Listed control panel.
Dryer shall be a refrigerated, heat sink cycling type equipped with refrigerant feed and refrigeration controls to vary the load from 0 ‑ 100% capacity. Maximum working pressure shall be 200 psig.
Desiccant type dryers?
Electronic drain valves shall automatically drain condensate, without compressed air loss. Units shall be provided with electronic control to perform automatic diagnostic routines.
Pressure reducing regulators shall have brass body, reduced pressure range 2 - 125 psig adjustable, 300 psig maximum supply pressure, spring type, diaphragm operated and relieving.
Provide oil/water separator for all drains from air compressor, receiver, dryer and filters.
Provide the following filtration as appropriate for application.
Moisture Separator designed to remove bulk liquids and large volumes of water, with automatic condensate drain.
Particulate filter designed to remove solids, burnt oil and bulk liquids, with a pressure differential indicator and automatic condensate drain. Filter element shall limit carryover 5 micron, 5 ppm.
Coalescing filter designed to remove liquid aerosols and mist, with a pressure differential indicator and automatic condensate drain. Filter element shall limit carryover to 1 micron, 0.1 ppm.
Polishing coalescing filter designed to remove majority of liquid aerosols and mist. Filter element shall limit carryover to 0.01 micron, 0.01 ppm.
Activated carbon filter designed to remove vapors and odors, with a pressure differential indicator. Filter element shall limit carryover to 0.003 ppm.

223100 – DOMESTIC WATER SOFTENERS

Water softening system shall be a factory assembled, skid mounted, pre-piped, packaged, vertical pressure type system complete, ready for operation including resin tanks, multi-port control valves, brine tank(s), electronic controller and all interconnecting piping, tubing, wiring, and meters. The system shall be a simplex, duplex or triplex, and automatic alternating type or automatic parallel progressive type control as appropriate for the application.
Tank(s) will be electrical welded pressure vessel, low carbon steel construction rated for 100.0 psig working pressure and a minimum design of 1.2 times the working pressure. As an option, tanks shall be constructed of fiberglass-reinforcement polyester with additional reinforcement from continuous fiberglass overwrap, rated for 100 psig working pressure.
The ion exchange resin shall be “standard mesh” of sulfanated polystyrene capable of removing minimum 30,000 grains of hardness per cubic foot and manufactured to comply with the food additive regulation 21 CFR 173.25 as set forth by the USFDA.
The main operating valve will be a fully automatic multiport diaphragm type to control all steps of regeneration of backwash, brine/rinse, fast rinse and brine tank refill. Valve shall allow hard water bypass.
Electronic Programmable Controllers shall be provided to automatically cycle the main operating valve and be capable of receiving a signal from a flow sensor to activate regeneration on a volume basis and/or time/calendar basis. The controller shall allow for manual initiation of automatic regeneration with a button on the face of the controller.

223400 – FUEL-FIRED DOMESTIC WATER HEATERS

Domestic water heaters shall be natural gas fired or electric depending on application. Natural gas fired instantaneous domestic water heaters may be utilized where applicable to load profile. Water supply to instantaneous domestic water heaters shall be quality tested and treated to comply with water heater manufacturer’s requirements.
High efficiency condensing type domestic water heaters shall be used, unless water is pre-heated. Water heaters in systems with pre-heated water shall not exceed the 85% thermal efficiency.
Gas fired heaters exceeding 75,000 BTU/HR input shall be certified to ANSI Z21.10.3. Gas fired water heaters and storage tanks with fuel inputs of 200,000 BTU/HR or higher, storage capacities of 120 gallons or more, or storage temperatures exceeding 210 degrees F shall be ASME tested and labled for minimum working pressure of 150 PSIG, and shall bear the HLW stamp.
Gas fired water heater controls shall comply with ASME CSD-1 safety standards.
Water heater thermal efficiency and standby losses shall meet ASHRAE 90.1 requirements.
Neutralizing basins shall be supplied for all condensing water heater drains.
Flues for condensing water heaters shall be non-corrosive superferritic stainless steel alloy (AL29-4C). PVC or CPVC shall not be used. PVC or CPVC may be used for combustion air inlet pipe.

224200 – COMMERCIAL PLUMBING FIXTURES

All plumbing fixtures, equipment and trim shall meet the dimensional and performance requirements of the ANSI, ARI, ASME, ASSE and/or CSA standards listed in the current edition of the Ohio Plumbing Code. All faucets and fittings supplying drinking water for human consumption shall conform to the requirements of NSF/ANSI 61, Annex G and NSF/ANSI-372.

224213 – COMMERCIAL WATER CLOSETS AND URINALS

Water closets shall be white vitreous china, wall mounted, high efficiency, 1.6 / 1.28 gallon per flush, 1.5-inch inlet spud, elongated bowl, top spud, mounted with rim at 15-inches above finished floor, 17-inches above finished floor for ADA compliant units. Flush valves shall be manual operation, diaphragm type, exposed, with screwdriver check angle stop and adjustable tailpiece. Flush valve shall be ADA compliant design where installed on ADA compliant fixtures.
Water closet Map testing score shall be minimum 800 grams of miso at the rated gallons per flush.
Urinals shall be white vitreous china urinal, wall hung, flushing rim, siphon jet or washout design, ultra/high efficiency, 0.125 / 0.5 gallons per flush, 0.75-inch inlet top spud, mounted with rim at 24-inches above finished floor, 17-inches above finished floor for ADA compliant units. Flush valve shall be manual operation, diaphragm type, exposed with screwdriver check angle stop and adjustable tailpiece. Flush valve shall be ADA compliant design where installed on ADA compliant fixtures.
Urinals shall be certified to the U.S. EPA’s WaterSense® specification as High Efficiency Urinals.

Note: If floor mounted urinals are desired, must use sensor operated flush valve to meet ADA requirements, and 1.0 GPF to meet ANSI testing for urinal wall cleaning.

224216 – COMMERCIAL LAVATORIES AND SINKS

Lavatories shall be white vitreous china, 21-inches X 17.625-inches oval, self-rimming with front overflow, faucet holes on 4-inch centers. Faucet shall be cast brass manually operated faucet, handle and spout style to match application.
Lavatories shall be white vitreous china, 20.5-inches X 18.25-inches, wall hung, to comply with ADA accessibility requirements, front overflow, faucet ledge, faucet holes on 4-inch centers, support from concealed arm carrier. Faucet shall be cast brass manually operated faucet, handle and spout style to match application.
Lavatory faucets located in public toilet rooms shall deliver maximum 0.5 gallons per minute, with vandal resistant aerator and be provided with an ASSE 1070 compliant mixing valve to limit the hot water supply to maximum 110 degrees F. Lavatory faucets located in non-public toilet rooms shall deliver maximum 1.5 gallons per minute
Stainless steel sinks shall be 18 gauge, 304 SS, top mount, hole-punched to match selected faucet and spray, 3.5-inch drain opening(s), raised rim, coved corners, sound/condensation coating on underside.
Sink faucets shall be manually operated cast brass, deck mounted, rigid or swivel cast brass spout, supplies on 8" centers, 1.5 gallons per minute and ceramic operating cartridge. Handle, spout style, strainer style and accessories to match application. Use laminar flow aerator or base mounted flow controllers with plain end spouts for sinks in medical treatment areas.
Janitor mop basin sinks shall be floor set, molded plastic and stone composite, square or rectangular, with tiling flange, vinyl bumper guards, hose and wall hook, mop hanger and stainless steel wall guard. Faucet shall be cast brass, wall mounted, rough chrome plated, with pale hook spout, 0.75" male hose thread outlet, metal lever handles and elevated vacuum breaker. Provide check valves in the cold and hot water supplies. Check valves shall be accessible for repair.
Laundry tub sinks shall be molded plastic and stone composite, floor set with metal support legs. Faucet shall be cast brass, deck mounted, chrome plated, vacuum breaker swing spout, ceramic cartridges and metal lever handles.

224223 – COMMERCIAL SHOWER

Shower bases shall be terrazzo, acrylic or composite to match application. Shower bases shall include tiling flange, appropriate depth curb and integral drain body to accept minimum 1.5-inch waste piping. ADA compliant transfer showers shall have maximum 0.5-inch curb. ADA compliant roll-in showers shall have no curb. Non-ADA showers shall have 2-inch curb.
Shower units shall be one piece, acrylic shower enclosure module with integral soap ledges, appropriate depth curb and integral drain body to accept minimum 1.5-inch waste piping. ADA compliant units shall include, grab bars, fold up seat, and backer plates support all mounted accessories. ADA compliant transfer showers shall have maximum 0.5-inch curb. ADA compliant roll-in showers shall have no curb. Non-ADA showers shall have 2-inch curb.
Shower valve and trim shall be brass body and trim, thermostatic / pressure balance, 1.5 / 2.0 gallons per minute shower head, handle, integral service stops/check stops, adjustable temperature limit stop and cast brass adjustable spray head with arm and flange. Unit serving ADA compliant shower shall include 1.5 / 2.0 gallons per minute hand shower, hose quick disconnect, 30” / 48” slide bar and metal / vinyl hose. Finish trim style and accessories shall be selected in coordination with the Architect and University to meet the specific application.

224516 – EYEWASH EQUIPMENT

Pedestal or wall mounted barrier free assembly, stainless steel bowl, 2-spray type heads with covers, stay open actuating ball valve, identification sign, ANSI Z358.1 compliant.

224526 – EYE/FACE WASH EQUIPMENT

Pedestal or wall mounted barrier free mounted assembly, stainless steel bowl, 4-spray type heads with covers, stay open actuating ball valve, identification sign, ANSI Z358.1 compliant.

224533 – COMBINATION EMERGENCY FIXTURE UNITS

Combination emergency eye wash and shower, stainless steel shower head and stainless steel eyewash bowl, stay open shower actuating ball valve, stay open eye wash actuating ball valve with spray heads, schedule 40 galvanized steel piping, 1.25" supply, 1.25" drain outlet, ADA compliant, identification sign, ANSI Z358.1 compliant.

224536 – EMERGENCY FIXTURE WATER – TEMPERING EQUIPMENT

Mixing valve: ANSI Z358.1, ASSE 1071 compliant to provide tempered water at flow rate of connected emergency fixture. Unit to include cold water bypass, inlets with integral water strainer, check valves, supply stops, outlet connection, dial thermometer on tempered water outlet. Set temperature at 80 degrees F, with limit stop set at 90 degrees F.

224713 – DRINKING FOUNTAINS

Bi-level drinking fountain shall be wall mounted, front and side push pads, bubbler guard, vandal resistant stainless steel construction and finish. Mounted so one side meets ADA accessibility requirements.
Provide glass filter accessory on ADA compliant side.

226200 – Vacuum Systems for Laboratory and Medical Facilities

All vacuum systems installed in medical facilities serving patients shall be compliant with the currently enforced edition of NFPA 99, and shall be tested and verified by a certified verifier prior to final acceptance of the systems, who shall follow strictly the procedures for verification as described in currently enforced edition of NFPA 99 and who shall provide a written report and certificate.

226213 – Vacuum Piping for Laboratory and Medical Facilities

Tubing for medical vacuum and waste anesthesia gas disposal shall be Type “L” hard-drawn copper (ASTM B-88 or B-819) or ASTM B-280 ACR copper.
Fittings shall be wrought copper, brass or bronze designed expressly for brazed connections (ANSI B16.22 or MSS SP-73). Joints shall be brazed in compliance with ANSI / AWS A5.8. Joints shall be made using a copper-phosphorus brazing filler alloy with a melting temperature in excess of 1,000 degrees F. (BCuP-5 series) without flux
Valves shall be full port, 3-piece, ball-type shut-off, rated for minimum 300 psig working pressure. All materials shall be compatible with oxygen service. Valves shall be specially cleaned for oxygen service in a facility equipped to clean, rinse and purge the material. Valves shall be delivered to the project site cleaned, capped and sealed.

226219 – Vacuum Equipment for Laboratory and Medical Facilities

Vacuum producers shall be factory packaged (prewired and pre-piped,) tank or frame mounted. The medical vacuum producer unit shall be a complete plant consisting of pumps, receiver, controls and alarms. The plant will require single point field connections for electrical, intake air, discharge air and condensate drains, only.
Vacuum producers shall be multiplex design (minimum duplex), so that the system demand can be delivered with the largest producer in the package out of service.
Vacuum receivers shall include a 3-valve bypass assembly to permit system operation with the receiver out of service.

226300 – Gas Systems for Laboratory and Medical Facilities

All gas systems installed in medical facilities serving patients shall be compliant with the currently enforced edition of NFPA 99, and shall be tested and verified by a certified verifier prior to final acceptance of the systems, who shall follow strictly the procedures for verification as described in currently enforced edition of NFPA 99 and who shall provide a written report and certificate.

226313 – Gas Piping for Laboratory and Medical Facilities

Tubing for pressurized gases shall be Type "L" (Type “K” for systems with working pressure exceeding 185 PSI), hard-drawn seamless copper (ASTM B-819). All tubing and fittings shall be labeled "OXY", “MED”, “OXY/MED”, “OXY/ACR” or “ACR/MED”.
Fittings shall be wrought copper, brass or bronze designed expressly for brazed connections (ANSI B16.22 or MSS SP-73). Joints shall be brazed in compliance with ANSI / AWS A5.8. Joints shall be made using a copper-phosphorus brazing filler alloy with a melting temperature in excess of 1,000 degrees F. (BCuP-5) without flux.
Tubing and fittings shall be specially cleaned for oxygen service in a facility equipped to clean, rinse and purge the material. Tubing and fittings shall be delivered to the project site cleaned and capped/bagged.
Valves shall be full port, 3-piece, ball-type shut-off, rated for minimum 300 psig working pressure. All materials shall be compatible with oxygen service. Valves shall be specially cleaned for oxygen service in a facility equipped to clean, rinse and purge the material. Valves shall be delivered to the project site cleaned, capped and sealed.

226319 – Gas Equipment for Laboratory and Medical Facilities

Air compressors shall be factory packaged (prewired and pre-piped), tank or frame mounted, and of an oil-less technology design. The air compressor unit shall be a complete plant consisting of compressors, receiver, controls and alarms. The plant will require single point field connections for electrical, intake air, discharge air and condensate drains, only.
Air compressors shall be multiplex design (minimum duplex), so that the system demand can be delivered with the largest compressor in the package out of service.
Air compressor systems filtering, air drying and multiplexing shall be designed to accommodate the application. Consult with the University prior to design.

226653 – Chemical-Waste and Vent Piping

The extent of chemical-waste drainage shall be determined in consultation with the University based on the presence of acids and processes in the laboratories.
Chemical- waste drainage piping above ground shall be Polypropylene S40 piping with fusion and/or mechanical joints.
Chemical-waste drainage piping below grade shall be Polypropylene S40 piping with fusion joints.
The University shall be consulted prior to the use of high silicon iron drainage piping, borosilicate glass drainage piping or plenum rated PVDF drainage piping for chemical-waste.

226700 – Processed Water Systems for Laboratory and Healthcare Facilities

A water quality test shall be conducted and data of the required water quality shall be acquired prior to the design of processed water systems.
Pure water generating systems shall be provided to meet the requirements of most routine laboratory water quality needs. Systems shall be centrally located to minimize the length of recirculation loops. Higher quality water, where required at local units, shall be point-of-use systems fed from the centrally located pure water generating system.
All centrally located and point-of-use pure water systems shall be provided by same manufacturer for ease of maintenance and stocking of consumables.

226713 – Processed Water Piping for Laboratory and Healthcare Facilities

Pure water system piping, fittings, valves and supports shall be un-pigmented, Type 2, high impact virgin natural polypropylene. Piping and fittings shall be Schedule 80 socket fused type.

Facility Operations