15430
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15430

Course Number: DOCUMENT 33286, Fall 2009

College/University: George Mason

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August 17, 2001 SECTION 15430 - PLUMBING SPECIALTIES LA-006-2617-00 PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including the General Conditions of the Construction Contract, apply to this Section. 1.2 SUMMARY A. This Section includes plumbing specialties for the following: 1. 2. B. Water distribution systems. Soil, waste and vent systems. Related Sections include...

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17, August 2001 SECTION 15430 - PLUMBING SPECIALTIES LA-006-2617-00 PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including the General Conditions of the Construction Contract, apply to this Section. 1.2 SUMMARY A. This Section includes plumbing specialties for the following: 1. 2. B. Water distribution systems. Soil, waste and vent systems. Related Sections include the following: 1. 2. 3. Division 15 Section "Valves" for general-duty ball, check, gate and globe valves. Division 15 Section "Water Distribution Piping" for water-supply piping and connections. Division 15 Section "Drainage and Vent Piping" for drainage and vent piping and connections. 1.3 SYSTEM PERFORMANCE REQUIREMENTS A. Provide components and installation capable of producing piping systems with following minimum working-pressure ratings, unless otherwise indicated: 1. 2. Water Distribution Piping: 125 psig. Soil, Waste, and Vent Piping: 10-foot head of water. 1.4 SUBMITTALS A. General: Submit each item in this Article according to the General Conditions of the Construction Contract. Product Data: For each plumbing specialty indicated. Include rated capacities of selected equipment and shipping, installed and operating weights. Indicate materials, finishes, dimensions, required clearances and methods of assembly of components; and piping and wiring connections for the following plumbing specialty products: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Backflow preventers. Water regulators. Balancing valves. Water filters. Strainers. Thermostatic water mixing valves and water tempering valves. Water hammer arresters. Trap seal primer valves and systems. Drain valves. Hose bibbs, hydrants and sanitary post hydrants. Hose stations. 15430 - 1 B. PLUMBING SPECIALTIES August 17, 2001 12. 13. 14. 15. 16. 17. 18. 19. C. D. Backwater valves. Cleanouts. Floor drains, open receptors, and trench drains. Air-admittance valves. Vent caps, vent terminals, and roof flashing assemblies. Roof drains. Sleeve penetration systems. Laundry lint trap. LA-006-2617-00 Reports: Specified in "Field Quality Control" Article. Maintenance Data: For specialties to include in the maintenance manuals specified in Division 1. Include the following: 1. 2. 3. 4. 5. 6. Backflow preventers. Water regulators. Water filters. Thermostatic water mixing valves and water tempering valves. Trap seal primer valves and systems. Hose stations. 1.5 QUALITY ASSURANCE A. Product Options: Drawings indicate size, profiles, dimensional requirements, and characteristics of plumbing specialties and are based on the specific types and models indicated. Other manufacturers' products with equal performance characteristics may be considered. Refer to Division 1 Section "Substitutions." Provide listing/approval stamp, label, or other marking on plumbing specialties made to specified standards. Listing and Labeling: Provide electrically operated plumbing specialties specified in this Section that are listed and labeled. 1. D. E. Terms "Listed" and "Labeled": As defined in National Electrical Code, Article 100. B. C. Comply with ASME B31.9, "Building Services Piping," for materials, products, and installation. Comply with NFPA 70, "National Electrical Code," for electrical components. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Backflow Preventers: a. Ames Co., Inc. 15430 - 2 PLUMBING SPECIALTIES August 17, 2001 b. c. d. e. 2. CMB Industries; Febco Div. Conbraco Industries, Inc. Watts Industries, Inc.; Water Products Div. Zurn Industries, Inc.; Wilkins Div. LA-006-2617-00 Water Regulators: a. b. c. d. e. Cla-Val Co. Conbraco Industries, Inc. Spence Engineering Co., Inc. Watts Industries, Inc.; Water Products Div. Zurn Industries, Inc.; Wilkins Div. 3. Calibrated Balancing Valves: a. b. c. d. e. f. Amtrol, Inc. Hays Fluid Controls, Inc. ITT Fluid Technology Corp.; ITT Bell & Gossett Div. Taco, Inc. Tour & Andersson, Inc.; Valve Div. Watts Industries, Inc.; Water Products Div. 4. Memory-Stop Balancing Valves: a. b. c. d. e. Crane Co.; Valve Div. Grinnell Corp. Hammond Valve Corp. Milwaukee Valve Co., Inc. Nibco, Inc. 5. Water Filters: a. b. c. d. e. f. AMETEK, Inc.; Plymouth Products Div. Filtrine Manufacturing Co. Honeywell-Braukmann, Inc. Manitowoc Co., Inc. Memtec America Corp.; Filterite Div. Watts Industries, Inc.; Water Products Div. 6. Thermostatic Water Mixing Valves: a. b. c. d. e. Lawler Manufacturing Co., Inc. Leonard Valve Co. Mark Controls Corp.; Powers Process Controls. Symmons Industries, Inc. T & S Brass and Bronze Works, Inc. 7. Water Tempering Valves: PLUMBING SPECIALTIES 15430 - 3 August 17, 2001 a. b. c. d. e. 8. Heat-Timer Corp. Holby Valve Co., Inc. Leonard Valve Co. Powers Process Controls. Symmons Industries, Inc. LA-006-2617-00 Outlet Boxes: a. b. c. d. Acorn Engineering Co. Guy Gray Manufacturing Co., Inc. Oatey Co. Plastic Oddities, Inc. 9. Hose Stations: a. b. c. d. e. Cooney Brothers, Inc.; Hose Station Div. Leonard Valve Co. Penberthy, Inc. Strahman Valves, Inc. T & S Brass and Bronze Works, Inc. 10. Hydrants: a. b. c. d. e. Josam Co. Smith: Jay R. Smith Mfg. Co. Watts Industries, Inc.; Water Products Div. Woodford Manufacturing Co. Zurn Industries, Inc.; Hydromechanics Div. 11. Water Hammer Arresters: a. b. c. d. e. f. Josam Co. Precision Plumbing Products, Inc. Sioux Chief Manufacturing Co., Inc. Smith: Jay R. Smith Mfg. Co. Watts Industries, Inc.; Water Products Div. Zurn Industries, Inc.; Hydromechanics Div. 12. Trap Seal Primer Valves: a. b. c. d. Josam Co. Precision Plumbing Products, Inc. Smith: Jay R. Smith Mfg. Co. Zurn Industries, Inc.; Hydromechanics Div. 13. Sleeve Penetration Systems: a. ProSet Systems, Inc. 14. Water Meter: a. Hersey. 15430 - 4 PLUMBING SPECIALTIES August 17, 2001 LA-006-2617-00 15. Floor Drains: a. b. c. d. J. R. Smith Mfg. Co. Zurn Industries, Inc. Wade. Josam Co. 2.2 BACKFLOW PREVENTERS A. General: ASSE standard, backflow preventers, of size indicated for maximum flow rate and maximum pressure loss indicated. 1. 2. 2-Inch NPS and Smaller: Bronze body with threaded ends. 2-1/2-Inch NPS and Larger: Bronze, cast-iron, steel, or stainless-steel body with flanged ends. a. Interior Lining: AWWA C550 or FDA-approved, epoxy coating for backflow preventers having cast-iron or steel body. 3. 4. 5. B. Interior Components: Corrosion-resistant materials. Exterior Finish: Polished chrome-plate if used in chrome-plated piping system. Strainer on inlet, if indicated. Pipe-Applied, Atmospheric-Type Vacuum Breakers: ASSE 1001, with floating disc and atmospheric vent. Hose-Connection Vacuum Breakers: ASSE 1011, nickel plated, with nonremovable and manual drain features, and ASME B1.20.7 garden-hose threads on outlet. Units attached to rough-bronzefinish hose connections may be rough bronze. Intermediate Atmospheric-Vent Backflow Preventers: ASSE 1012, suitable for continuous pressure application. Include inlet screen and 2 independent check valves with intermediate atmospheric vent. C. D. E. Reduced-Pressure-Principle Backflow Preventers: ASSE 1013, suitable for continuous pressure application. Include outside screw and yoke gate valves on inlet and outlet, and strainer on inlet; test cocks; and pressure-differential relief valve with ASME A112.1.2 air-gap fitting located between 2 positive-seating check valves. 1. Pressure Loss: 12 psig maximum, through middle one-third of flow range. F. Double-Check Backflow Prevention Assemblies: ASSE 1015, suitable for continuous pressure application. Include shutoff valves on inlet and outlet, and strainer on inlet; and test cocks with 2 positive-seating check valves. 1. Pressure Loss: 5 psig maximum, through middle one-third of flow range. PLUMBING SPECIALTIES 15430 - 5 August 17, 2001 G. LA-006-2617-00 Antisiphon-Pressure-Type Vacuum Breakers: ASSE 1020, suitable for continuous pressure application. Include shutoff valves, spring-loaded check valve, spring-loaded floating disc, test cocks and atmospheric vent. 1. Pressure Loss: 5 psig maximum, through middle one-third of flow range. H. Dual-Check-Valve-Type Backflow Preventers: ASSE 1024, suitable for continuous pressure application. Include union inlet and 2 independent check valves. Dual-Check-Valve-Type Backflow Preventers: ASSE 1032, suitable for continuous pressure application for carbonated beverage dispensers. Include stainless-steel body; primary and secondary checks; ball check; intermediate atmospheric-vent port for relieving carbon dioxide; and threaded ends, 3/8-inch NPS. Reduced-Pressure Detector Assembly Backflow Preventers: ASSE 1047, FM approved or UL listed, and suitable for continuous pressure application. Include outside screw and yoke gate valves on inlet and outlet, and strainer on inlet. Include test cocks; pressure-differential relief valve with ASME A112.1.2 air-gap fitting located between 2 positive-seating check valves; and bypass with displacement-type water meter, valves, and reduced-pressure backflow preventer. 1. Pressure Loss: 12 psig maximum, through middle one-third of flow range. I. J. K. Double-Check Detector Assembly Backflow Preventers: ASSE 1048, FM approved or UL listed, and suitable for continuous pressure application. Include outside screw and yoke gate valves on inlet and outlet, and strainer on inlet. Include test cocks; 2 positive-seating check valves; and bypass with displacement-type water meter, valves, and double-check backflow preventer. 1. Pressure Loss: 5 psig maximum, through middle one-third of flow range. L. Hose-Connection Backflow Preventers: ASSE 1052, suitable for at least 3-gpm flow and applications with up to 10-foot head back pressure. Include 2 check valves; intermediate atmospheric vent; and nonremovable, ASME B1.20.7 garden-hose thread on outlet. Back-Siphonage Backflow Vacuum Breakers: ASSE 1056, suitable for continuous pressure and backflow applications. Include shutoff valves, check valve, test cocks, and vacuum vent. M. 2.3 WATER REGULATORS A. General: ASSE 1003, water regulators, rated for initial working pressure of 150 psig minimum, of size, flow rate, and inlet and outlet pressures indicated. Include integral factory-installed or separate field-installed Y-pattern strainer. 1. 2. 3. 4. B. 2-Inch NPS and Smaller: Bronze body with threaded ends. 2-1/2-Inch NPS and Larger: Bronze or cast-iron body with flanged ends. Include AWWA C550 or FDA-approved interior epoxy coating for regulators with cast-iron body. Interior Components: Corrosion-resistant materials. Exterior Finish: Polished chrome-plate if used in chrome-plated piping system. Pilot-operated type, single- or double-seated, cast-iron-body main valve, with bronze-body pilot valve. PLUMBING SPECIALTIES 15430 - 6 August 17, 2001 2.4 BALANCING VALVES A. LA-006-2617-00 Calibrated Balancing Valves: Adjustable, with 2 readout ports and memory setting indicator. Include manufacturer's standard hoses, fittings, valves, differential pressure meter, and carrying case. 1. 2. 2-Inch NPS and Smaller: Bronze body with brass ball, adjustment knob, calibrated nameplate and threaded or solder-joint ends. 2-1/2-Inch NPS and Larger: Cast-iron, Y-pattern body with bronze disc and flanged or grooved ends. B. Memory-Stop Balancing Valves, 2-Inch NPS and Smaller: MSS SP-110, ball valve, rated for 400psig minimum CWP. Include 2-piece, ASTM B 62 bronze body with standard port, chrome-plated brass ball, replaceable seats and seals, blowout-proof stem, solder-joint ends and vinyl-covered steel handle with memory-stop device. 2.5 WATER FILTERS A. General: Cartridge-type assemblies suitable for potable water of size and at flow rate and pressure loss indicated. Include housing, fittings, filter cartridges, and cartridge end caps. Wall-Mounting Type: Housing head section with threaded inlet and outlet, mounting bracket, and removable lower section for 10-inch- long filter cartridge. 1. 2. Housing Material: Stainless steel, 150-psig minimum operating pressure or plastic, 125-psig minimum operating pressure. Cartridge: Pleated-polypropylene filter media, 10 inches, 10-micron-particulate removable rating. B. C. Floor-Mounting Type: Stainless-steel housing rated at 150-psig minimum operating pressure. 1. 2. 3. 4. Base Section: Floor-mounting section with inlet and outlet connections and removable top section for one or more 10-micron-particulate removable-rating cartridges. Connections, 2-Inch NPS and Smaller: Threaded. Connections, 2-1/2-Inch NPS and Larger: Flanged. Cartridge: Pleated-polypropylene filter media. 2.6 THERMOSTATIC WATER MIXING VALVES A. General: ASSE 1017, manually adjustable, thermostatic water mixing valve with bronze body. Include check stop and union on hot- and cold-water-supply inlets, adjustable temperature setting, and capacity at pressure loss as indicated. 1. 2. B. Bimetal Thermostat, Operation and Pressure Rating: 125 psig minimum. Liquid-Filled Motor, Operation and Pressure Rating: 100 psig minimum. Thermostatic Water Mixing Valves: Unit, with the following: 1. 2. 3. Piping, of sizes and in arrangement indicated. Include valves and unions. Piping Component Finish: Polished chrome-plate. Cabinet: Steel box with steel hinged door and white enameled finish. 15430 - 7 PLUMBING SPECIALTIES August 17, 2001 4. 5. C. Cabinet Mounting: Recessed or surface. Thermometer: Manufacturer's standard. LA-006-2617-00 Manifolded, Thermostatic Water Mixing Valve Assemblies: Factory-fabricated unit consisting of parallel arrangement of thermostatic water mixing valves. 1. Arrangement: One large-flow, thermostatic water mixing valve with flow-control valve, pressure regulator, inlet and outlet pressure gages, and one small-flow, thermostatic water mixing valve with flow-control valve. Include outlet thermometer, factory- or field-installed inlet and outlet valves, and other indicated options. Piping, of sizes and in arrangement indicated. Include valves and unions. Piping Component Finish: Polished chrome-plate. Cabinet: Steel box with steel hinged door and white enameled finish or stainless-steel box with stainless-steel hinged door as indicated. Cabinet Mounting: Recessed or surface as indicated. 2. 3. 4. 5. 2.7 WATER TEMPERING VALVES A. General: Manually adjustable, thermostatically controlled water tempering valve; bronze body; and adjustable temperature setting. System Water Tempering Valves: Piston or discs controlling both hot- and cold-water flow, capable of limited antiscald protection. Include threaded inlets and outlet, capacity at pressure loss, and temperature range or setting as indicated. 1. C. Finish: Rough bronze unless chrome-plated finish is indicated. B. Limited-Volume, Water Tempering Valves: Solder-joint inlets and 3/4-inch NPS maximum outlet, with minimum capacity and maximum pressure loss as indicated. 2.8 STRAINERS A. Strainers: Y-pattern, unless otherwise indicated, and full size of connecting piping. Include ASTM A 666, Type 304, stainless-steel screens with 3/64-inch round perforations, unless otherwise indicated. 1. 2. 3. 4. Pressure Rating: 125-psig minimum steam working pressure, unless otherwise indicated. 2-Inch NPS and Smaller: Bronze body, with female threaded ends. 2-1/2-Inch NPS and Larger: Cast-iron body, with interior AWWA C550 or FDA-approved epoxy coating and flanged ends. Y-Pattern Strainers: Screwed screen retainer with centered blowdown. a. 5. 6. Drain: Factory- or field-installed, hose-end drain valve with pipe plug. T-Pattern Strainers: Malleable-iron or ductile-iron body with grooved ends; access end cap with drain plug and access coupling with rubber gasket. Basket Strainers: Bolted flange or clamp cover and basket with lift-out handle. a. b. Simplex Type: Single unit, with one basket. Drain: Factory- or field-installed, hose-end drain valve with pipe plug. 15430 - 8 PLUMBING SPECIALTIES August 17, 2001 LA-006-2617-00 B. Drainage Basket Strainers: Non-pressure-rated, cast-iron or coated-steel body; with bolted flange or clamp cover and drain with plug. 1. 2. Basket: Bronze or stainless steel with 1/8- or 3/16-inch- diameter holes and lift-out handle. Female threaded ends for 2-inch NPS and smaller, and flanged ends for 2-1/2-inch NPS and larger. 2.9 OUTLET BOXES A. General: Recessed-mounting outlet boxes with fittings complying with ASME A112.18.1M. Include box with faceplate, services indicated for equipment connections, and wood-blocking reinforcement. Ice Maker Outlet Boxes: With hose connection and the following: 1. 2. 3. 2.10 A. Box and Faceplate: Stainless steel, enameled or epoxy-painted steel or plastic as indicated. Shutoff Fitting: Hose bibb. Supply Fitting: Gate, globe, or ball valve and copper, water tubing. B. HOSE STATIONS General: Assembly with fitting complying with ASME A112.18.1M and hose-connection outlet with threads complying with ASME B1.20.7. Mixing-Valve Hose Station: Hot- and cold-water mixing valve with shutoff and check valves on inlets, hose with nozzle, and the following: Single-Valve Hose Station: Hot-water valve with shutoff valve on inlet, hose with nozzle, and the following: Single-Valve Hose Station: Cold-water valve with shutoff valve on inlet, hose with nozzle, the and following: 1. 2. 3. 4. 5. 6. 7. 8. Cabinet: Stainless-steel enclosure with exposed valve handles, hose connection, and hose rack. Include manufacturer's standard thermometer in front. Hose-Rack Material: Stainless steel. Body Material: Bronze with stainless-steel wetted parts. Body Finish: Rough brass or chrome plate. Installation: Wall mounting. Include reinforcement. Supply Fitting: Gate, globe, or ball valve and check valve and copper, water tubing. Omit check valve if check stop is included with fitting. Hose: Manufacturer's standard for service fluid, temperature, and pressure; 50 feet long. Nozzle: Manufacturer's standard. B. C. D. 2.11 A. HYDRANTS Wall Hydrants: ASME A112.21.3M or ASSE 1019, nonfreeze, automatic draining, antibackflow type, key operation, with 3/4- or 1-inch NPS threaded or solder-joint inlet, and ASME B1.20.7 gardenhose threads on outlet. Include operating key for each hydrant. 1. 2. Type: Recessed. Finish: Polished bronze or nickel bronze. PLUMBING SPECIALTIES 15430 - 9 August 17, 2001 B. LA-006-2617-00 Post Hydrants: ASME A112.21.3M, nonfreeze, bronze casing, cast-iron or cast-aluminum casing guard, key operation. Include operating key for each hydrant. 1. 2. 3. Inlet: 3/4- or 1-inch NPS threaded. Outlet: Integral or field-installed, nonremovable, drainable, hose-connection vacuum breaker with ASME B1.20.7 garden-hose threads on outlet and tapped drain port in valve housing. Length: As required for installing inlet valve below frost line. 2.12 A. TRAP SEAL PRIMER VALVES Trap Seal Primer Valves: ASSE 1018, water-supply-fed type, with the following characteristics: 1. 2. 3. 4. 5. 125-psig minimum working pressure. Bronze body with atmospheric-vented drain chamber. Inlet and Outlet Connections: 1/2-inch NPS threaded, union, or solder joint. Gravity Drain Outlet Connection: 1/2-inch NPS threaded or solder joint. Finish: Chrome plated, or rough bronze for units used with pipe or tube that is not chrome finished. B. Trap Seal Primer System: Factory-fabricated, automatic-operation assembly for wall mounting with the following: 1. Piping: 3/4-inch NPS, ASTM B 88, Type L; copper, water tubing inlet and manifold with number of 1/2-inch NPS outlets as indicated. 2. Cabinet: Steel box with stainless-steel cover. 3. Electric Controls: 24-hour timer, solenoid valve, and manual switch for 120-V, ac power. 4. Water Hammer Arrester: ASSE 1010. 5. Vacuum Breaker: ASSE 1001. DRAIN VALVES Hose-End Drain Valves: MSS SP-110, 3/4-inch NPS ball valve, rated for 400-psig minimum CWP. Include 2-piece, ASTM B 62 bronze body with standard port, chrome-plated brass ball, replaceable seats and seals, blowout-proof stem, and vinyl-covered steel handle. 1. 2. 3. Inlet: Threaded or solder joint. Outlet: Short-threaded nipple with ASME B1.20.7 garden-hose thread and cap. Hose-End Drain Valve Option: MSS SP-80, gate valve, Class 125, ASTM B 62 body, with 3/4-inch NPS threaded or solder-joint inlet and ASME B1.20.7 garden-hose threads on outlet and cap. Hose bibbs are prohibited for this application. Fire-Hose-End Drain Valve Option: UL 668, 1-1/2-inch NPS, bronze body, 90-degree angle or straightway-pattern hose valve, rated for 175-psig minimum working pressure. a. Male Outlet Threads: NFPA 1963 and local fire department standards. Include attached chain and cap. 1) Option: 2-1/2-inch NPS valves with 2-1/2-by-1-1/2-inch NPS adapter and attached chain and cap may be provided instead of 1-1/2-inch NPS valves. 2.13 A. 4. B. Stop-and-Waste Drain Valves: MSS SP-110, ball valve, rated for 200-psig minimum CWP or MSS SP-80, Class 125, gate valve; ASTM B 62 bronze body, with 1/8-inch NPS side drain outlet and cap. PLUMBING SPECIALTIES 15430 - 10 August 17, 2001 2.14 A. B. FLOOR DRAINS General: Size outlets as indicated on Drawings. LA-006-2617-00 Floor Drains: ASME A112.21.1M, cast-iron body, with seepage flange and clamping device. Floor drains for installation in floors not having membrane waterproofing may have seepage flange without clamping device. Floor drains for use as area drains in exterior slab on grade may be furnished with anchor flange instead of seepage flange and clamping device. See the Drawings for shape, dimensions, strainer and body top finish, top-loading classification, sump size, and specific features. Open Drains: Shop or field-fabricate from ASTM A 74, Service Class, hub-and-spigot, cast-iron, soilpipe fittings. Include P trap, hub-and-spigot riser section of length to provide depth indicated, and where indicated increaser fitting of size indicated, joined with ASTM C 564 neoprene gaskets. Size P trap as indicated on Drawings. Deep Seal Traps: Cast iron or bronze, with inlet and outlet matching connected piping, cleanout where indicated, and trap seal primer valve connection where indicated. 1. 2-Inches (DN 50) Size: 4-inches minimum water seal. 2. 2-1/2-Inches (DN 65) and Larger: 5-inches minimum water seal. Inlet Fittings: Cast iron, with threaded inlet and threaded or spigot outlet, and trap seal primer valve connection. Air Gap Fittings: ASME A112.1.2, cast iron or cast bronze, with fixed air gap, inlet for drain pipe or tube, and threaded or spigot outlet. C. D. E. F. 2.15 A. MISCELLANEOUS PIPING SPECIALTIES Water Hammer Arresters: ASME A112.26.1M, ASSE 1010, or PDI-WH 201, bellows or piston type with pressurized cushioning chamber. Sizes are based on water-supply fixture units, ASME A112.26.1M sizes A through F and PDI-WH 201 sizes A through F. Hose Bibbs: Bronze body, with renewable composition disc, 1/2- or 3/4-inch NPS threaded or solder-joint inlet. Provide ASME B1.20.7 garden-hose threads on outlet and integral or fieldinstalled, nonremovable, drainable, hose-connection vacuum breaker. 1. 2. Finish: Chrome or nickel plated. Operation: Wheel handle or operating-key (handle) type as indicated. Include operating key. B. C. Roof Flashing Assemblies: Manufactured assembly made of 4-lb/sq. ft., 0.0625-inch- thick, lead flashing collar and skirt extending at least 8 inches from pipe with galvanized steel boot reinforcement, and counterflashing fitting. 1. Vent Cap: Open top, without cap. D. Open Drains: Shop or field fabricate from ASTM A 74, Service class, hub-and-spigot, cast-iron, soilpipe fittings. Include P-trap, hub-and-spigot riser section of length to provide depth indicated; and where indicated, increaser fitting of size indicated, joined with ASTM C 564 rubber gaskets. Size Ptrap as indicated. Do not use in finished areas. PLUMBING SPECIALTIES 15430 - 11 August 17, 2001 E. LA-006-2617-00 Deep-Seal Traps: Cast iron or bronze, with inlet and outlet matching connected piping, cleanout where indicated, and trap seal primer valve connection where indicated. 1. 2. F. 2-Inch NPS: 4-inch minimum water seal. 2-1/2 Inch NPS and Larger: 5-inch minimum water seal. Floor-Drain Inlet Fittings: Cast iron, with threaded inlet and threaded or spigot outlet, and trap seal primer valve connection. Air-Gap Fittings: ASME A112.1.2, cast iron or cast bronze, with fixed air gap, inlet for drain pipe or tube, and threaded or spigot outlet. Stack Flashing Fittings: Counterflashing-type, cast-iron fitting, with bottom recess for terminating roof membrane, and with threaded or hub top for extending vent pipe. Vent Caps: Cast-iron body with threaded or hub inlet and vandal-proof design. Include vented hood and set-screws to secure to vent pipe. Vent Terminals: Commercially manufactured, shop-fabricated or field-fabricated, frost-proof assembly constructed of galvanized steel, copper, or lead-coated copper. Size to provide 1-inch enclosed air space between outside of pipe and inside of flashing collar extension, with counterflashing, as indicated. Expansion Joints: ASME A112.21.2M, assembly with cast-iron body with bronze sleeve, packing gland, and packing, of size and end types corresponding to connected piping. Downspout Boots: ASTM A 74, Service class, hub-and-spigot, cast-iron soil pipe. Downspout Nozzles: Cast-bronze body with threaded inlet for pipe size indicated, and cast-bronze wall flange with mounting holes. 1. Finish: Polished bronze or nickel bronze. G. H. I. J. K. L. M. 2.16 A. SLEEVE PENETRATION SYSTEMS Description: UL 1479, through-penetration firestop assembly consisting of sleeve and stack fitting with firestopping plug. 1. 2. Sleeve: Molded PVC plastic, of length to match slab thickness and with integral nailing flange on one end for installation in cast-in-place concrete slabs. Stack Fitting: ASTM A 48, cast-iron, hubless-pattern, wye-branch stack fitting with neoprene O-ring at base and cast-iron plug in thermal-release harness in branch. Include PVC protective cap for plug. a. Special Coating: Include corrosion-resistant interior coating on fittings for plastic chemical waste and vent stacks. 2.17 A. FLASHING MATERIALS Lead Sheet: ASTM B 749, Type L51121, copper bearing, with the following minimum weights and thicknesses, unless otherwise indicated: PLUMBING SPECIALTIES 15430 - 12 August 17, 2001 1. 2. 3. B. General Use: 4 lb/sq. ft. or 0.0625-inch thickness. Vent Pipe Flashing: 3 lb/sq. ft. or 0.0469-inch thickness. Burning: 6 lb/sq. ft. or 0.0937-inch thickness. LA-006-2617-00 Copper Sheet: ASTM B 152, of the following minimum weights and thicknesses, unless otherwise indicated: 1. 2. General Applications: 12 oz./sq. ft Vent Pipe Flashing: 8 oz./sq. ft C. D. Zinc-Coated Steel Sheet: ASTM A 653, with 0.20 percent copper content and 0.04-inch minimum thickness, unless otherwise indicated. Include G90 hot-dip galvanized, mill-phosphatized finish for painting if indicated. Elastic Membrane Sheet: ASTM D 4068, flexible, chlorinated polyethylene, 40-mil minimum thickness. Fasteners: Metal compatible with material and substrate being fastened. Metal Accessories: Sheet metal strips, clamps, anchoring devices, and similar accessory units required for installation; matching or compatible with material being installed. Solder: ASTM B 32, lead-free alloy. Bituminous Coating: SSPC-Paint 12, solvent-type, bituminous mastic. E. F. G. H. PART 3 - EXECUTION 3.1 PLUMBING SPECIALTY INSTALLATION A. General: Install plumbing specialty components, connections and devices according to manufacturer's written instructions. Install backflow preventers of type, size and capacity indicated, at each water-supply connection to mechanical equipment and systems, and to other equipment and water systems as indicated....

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Chapter 1 Encoding Information We will see that clever encoding can reduce the the number of bits to represent information. This reduces the time to transmit information or the space for storing information. For example, Morse encoding is more eff
George Mason - HW - 465
ECE 465:Computer Network Protocols and Applications Prof. B.-P. Paris Homework 4 Due: February 20, 2007 Reading Chapter 2 in Kurose and Ross through section 2.5 Chapter 2 Review Questions 1. Question 8 2. Question 9 Chapter 2 Problems 1. Problem 6 2.
George Mason - ECE - 297
ECE 297:11 Reconfigurable Architectures for Computer SecurityCourse web page:http:/mason.gmu.edu/~kgaj/ECE297Instructors:Kris Gaj (GMU) Tarek El-Ghazawi (GWU) TA: Pawel Chodowiec (GMU)1Kris Gaj George Mason University Science & Technology II
George Mason - ECE - 297
ECE297:11 Lecture 3 Mathematical Background: Modular ArithmeticGeneral NotationZ integers - there exists - for all - belongs to! - there exists unique - does not belong toDivisibilitya|b a divides b a is a divisor of ba| biff c
George Mason - ECE - 699
Project SpecificationA. Names of all team members: Narendra Nutakki Shylaja Gunda B. Title of the project: Design of a 32-bit unsigned multiplier modulo 232 and for 32 squaring mod 2 . C. Hardware and Software Unit Initial Specification: Function
George Mason - ECE - 699
ECE 645: PROJECT SPECIFICATIONTITLE: A VHDL Implementation of a 3-D Cross-Correlator for Template MatchingBy Tapan DesaiDate: 4/12/021. Functional Requirement The design will implement the cross-correlation algorithm given below. R( x, y , z
George Mason - ECE - 699
Lecture 6Sequential Multiplication SchemesNotationa Multiplicand x Multiplier p Product (a x)ak-1ak-2 . . . a1 a0 xk-1xk-2 . . . x1 x0 p2k-1p2k-2 . . . p2 p1 p0Basic Multiplication Equationsp=ax x = xi 2ii=0 k-1 k-1p = a x = xi 2i
George Mason - ECE - 297
Coding characters into numbersA B C D E F G H I J K L M 0 1 2 3 4 5 6 7 8 9 10 11 12 N O P Q R S T U V W X Y Z 13 14 15 16 17 18 19 20 21 22 23 24 25
Minnesota - EC - 70205
11.1Feb 8Economy with Government DebtNow assume that the government taxes labor income and issues debt to pay for a constant stream of government expenditures G. This economy is more complicated and tricky than the previous economy without deb
Minnesota - SHOUR - 004
1Twentieth Century Macroeconomics1. Keynes: General Equilibrium, no dynamics, more emphasis on aggregate behavior, less emphasis on individual behavior . leads to estimation methods using simultaneous equations 2. Downfall of Keynesian Economics:
George Mason - ECE - 645
Midterm exam I 20 points total April 5, 2000Part I 1. (1 point) Match the following 6-bit representations of -21 with the names of these representations: A. B. C. D. 101010 110101 001011 101011a. biased with B=25 b. one's complement c. two's compl
George Mason - ECE - 645
Lecture 8Sequential MultipliersNotationa Multiplicand x p Multiplier Product (a x)ak-1ak-2 . . . a1 a0 xk-1xk-2 . . . x1 x0 p2k-1p2k-2 . . . p2 p1 p01Multiplication of two 4-bit unsigned binary numbers in dot notationBasic Multiplicati
George Mason - ECE - 645
VLSI Design Automation of a Montgomery Multiplier using Astro by SynopsysECE 698 PROJECT SPECIFICATION Steve HubbardI.IntroductionThe Astro design suite by Synopsys is an advanced place and route tool for physical chip design and will be the p
George Mason - MATH - 125
Math 125-001 Slides 04/201Paths and Circuits: Applications (continued)Definitions A Tournament is a digraph with exactly one arc connecting any two vertices. The score in a tournament is the outdegree, and the score sequence is the outdegree seq
George Mason - MATH - 125
Math 125-001 Slides 03/301AlgorithmsDefinition: Algorithm is a systematic procedure that produces in a finite number of steps the answer to a question or the solution of a problem. Example: Horners algorithm for polynomial evaluationS = a 0
George Mason - MATH - 125
Math 125-001 Slides 04/021Algorithms (continued)Linear search for x in a set {ai, i = 1.n} For i = 1 to n If x = ai, Return i Return False Complexity: O(n) Binary search for x in an ordered sequence {ai, i = 1.n | i < j ai aj} n1 := 1, n2 := n
George Mason - MATH - 125
Math 125-001 Slides 02/051Solution to an exercise 1.2.3.b (p r) [ (q r) (p r) ] (p r) [ (q r) (p r) ] ( (p r) ) (q r) (p r) 1Math 125-001 Slides 02/052Cardinality |S| is the number of elements in S | = 0A = B |A|=|B| A
George Mason - MATH - 125
Math 125-001 Slides 04/131Paths and Circuits (continued)Recall: An Eulerian trail in a pseudograph is a trail that passes through every vertex and includes every edge. An Eulerian circuit in a pseudograph is a circuit that contains every vertex
George Mason - ISA - 767
Electronic Payment SystemsISA 767, Secure Electronic Commerce Mar. 30, 2005 Jaehong Park, jpark2@gmu.edu George Mason UniversityReferencesK. Laudon, and C. Traver, E-Commerce: Business, Technology, Society, Second Edition, Addison Wesley, 2003 W
George Mason - HIST - 120
Declaring IndependenceSources in American History Professor Zachary M. Schrag United States History History 120, section 1 George Mason University Spring 2006Creative Commons Public Domain Dedication Copyright-Only Dedication (based on United Stat
Minnesota - GUENT - 006
Minnesota - CVM - 6102
CVM 6102 Small Animal Thoracic Imaging Laboratories Spring 2008The CVM 6102 laboratories will be set-up as free-style. There is room for about 15-20 laptop-based stations (room is wireless and you need your own laptops). Divide yourselves however yo
Minnesota - CVM - 6105
Ultrasound Physics, Artifacts, and EquipmentLaura E. Ziegler, DVM, Dip. ACVRWhy physics? Helps to understand WHY things look the way they do Provides a better understanding of the limitations of ultrasound Is vital to understanding artifacts (a
Minnesota - CVM - 6105
Musculoskeletal, Gastrointestinal, and NonCardiac Thoracic ultrasounda.k.a. the miscellaneous parts we couldnt figure out where to putMusculoskeletalThe basic sonographic character of the structures in the musculoskeletal system is similar amongs
Minnesota - CVM - 6105
Ultrasonography of the Lower Urinary TractKari L. Anderson, DVM, DACVR Associate Clinical Professor University of MinnesotaObjectives Imaging indications and protocol for bladder/urethra Normal sonographic appearance Imaging artifacts asso