SECTION (15150) - SANITARY WASTE AND VENT PIPING

Transcription

1 SECTION (15150) - SANITARY WASTE AND VENT PIPING PART 1 GENERAL 1.01 SUMMARY A. Section Includes: 1. Pipe Materials. 2. Fittings. 3. Joining Materials. B. Related Sections: 1.02 REFERENCES 1. Section (07840) - Firestopping: for fire-barrier sealers. 2. Section (08310) - Access Doors: for access panels to concealed components. 3. Section (09900) - Painting: for field-applied finishes for piping. 4. Section (11450) -Residential Appliances: for drainage and vent services for clothes washers. 5. Section (11400) - Food Service Equipment: for drainage and vent services for food service equipment. 6. Section (15050) Common Work Results for Plumbing 7. Section (15060) - Hangers and Supports for Plumbing Piping and Equipment 8. Section (15075) Identification for Plumbing Piping and Equipment. 9. Section (15083) - Plumbing Insulation. 10. Section (15430) - Plumbing Equipment. 11. Section (15410) - Plumbing Fixtures. 12. Section (02300) Earth Moving: for excavating, trenching, and backfilling. 13. Section (02500) - Utilities 14. Section (02620) - Subdrainage A. The American Society of Mechanical Engineers (ASME) Publications: 1. B31.9 Building Services Piping 2. B16.1 Cast Iron Pipe Flanges and Flanged Fittings 3. B16.4 Gray Iron Threaded Fittings: (Classes 125 and 250) 4. B16.12 Cast Iron Threaded Drainage Fittings 5. B16.23 Cast Copper Alloy Solder Joint Drainage Fittings: DWV 6. B16.29 Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings-DWV B. ASTM International (ASTM) Publications: (Former American Society for Testing and Materials) 1. A48 "Standard Specification for Gray Iron Castings" 2. A53 "Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless" PAGE 1 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

2 REVISED: 09/03/12 3. A74 Standard Specification for Cast Iron Soil Pipe and Fittings 4. A666 Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar 5. A674 Standard Practice for Polyethylene Encasement for Ductile Iron Pipe for Water or Other Liquids 6. A888 Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications 7. B306 Standard Specification for Copper Drainage Tube (DWV) 8. C564 Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings 9. C1173 Standard Specification for Flexible Transition Couplings for Underground Piping Systems 10. C1277 Standard Specification for Shielded Couplings Joining Hubless Cast Iron Soil Pipe and Fittings 11. D2321 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications 12. D2665 Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings 13. D3311 Standard Specification for Drain, Waste, and Vent (DWV) Plastic Fittings Patterns 14. F402 "Standard Practice for Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings" 15. F409 Standard Specification for Thermoplastic Accessible and Replaceable Plastic Tube and Tubular Fittings 16. F477 "Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe" 17. F891 Standard Specification for Coextruded Poly(Vinyl Chloride) (PVC) Plastic Pipe With a Cellular Core C. American Water Works Association (AWWA) Publications: 1. C105/ANSI A Standard for Polyethylene Encasement for Ductile-Iron Pipe Systems 2. C110/ANSI A21.10 " Standard for Ductile-Iron and Gray-Iron Fittings, 3 In.-48 In. (76 mm- 1,219 mm), for Water " 3. C111/ANSI A21.11 "Standard for Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings" 4. C151/ANSI A Standard for Ductile-Iron Pipe, Centrifugally Cast, for Water 5. C153/ANSI A Standard for Ductile-Iron Compact Fittings for Water Service 6. C600 Installation of Ductile-Iron Water Mains and Their Appurtenances D. Cast Iron Soil Pipe Institute (CISPI) Publications: 1. Cast Iron Soil Pipe and Fittings Handbook" Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications PAGE 2 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.

3 E. NFS International (NFS) Publications: 1.03 DEFINITIONS 1. NSF/ANSI 14 "Plastics Piping Components and Related Materials" A. Sewerage Piping: Building sewer piping outside building that conveys sanitary sewage from building (by Site Contractor). B. Drainage Piping: Building sewer piping outside building that conveys storm drainage from building (by Plumbing Contractor, beginning at 5-0 outside of building.) C. Service Entrance Piping: Drainage piping at entry into building between outside building sewer piping and inside drainage piping (by Site Contractor). D. Drainage and Vent Piping: Piping inside building that conveys waste water and vapors from fixtures and equipment throughout the building. E. Force-Main Piping: Drainage piping, under pressure (where required due to local conditions). F. The following are industry abbreviations for plastic and other piping materials: 1. PVC: Polyvinyl chloride SYSTEM PERFORMANCE REQUIREMENTS A. Provide components and installation capable of producing piping systems with the following minimum working-pressure ratings, unless otherwise indicated: 1.05 SUBMITTALS 1. Soil, Waste, and Vent Systems: 10-foot head of water. 2. Storm Drainage Systems: 10-foot head of water. 3. Sewage, Force-Main Piping Systems: 100 psig (only where required due to local conditions). PART 2 PRODUCTS 2.01 PIPE MATERIALS A. General: Applications of the following pipe and tube materials are indicated in Part 3 "Piping Applications" Article. B. Hub-and-Spigot, Cast-Iron Soil Pipe: ASTM A74, Service weight ASTM C564 rubber gasket. C. Hubless, Cast-Iron Soil Pipe: ASTM A888 or CISPI 301. D. PVC Plastic Pipe: ASTM D2665, Schedule 40. E. Steel Pipe: ASTM A53. F. Ductile Iron Pipe: AWWA C151. G. Copper Tubing: ASTM B306. H. PVC Piping 1. PVC Pipe: ASTM D2665, solid-wall drain, waste, and vent. a. PVC Socket Fittings: ASTM D2665, made to ASTM D3311, drain, waste, and vent patterns. 2. Cellular-Core, Schedule 40, PVC Pipe: ASTM F891, Schedule 40. a. PVC Socket Fittings: ASTM D2665, made to ASTM D3311, drain, waste, and vent patterns and to fit Schedule 40 pipe. PAGE 3 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

4 3. Cellular-Core, Sewer and Drain Series, PVC Pipe: ASTM F891, Series PS JOINING MATERIALS a. PVC Socket Fittings: ASTM D2665, made to ASTM D3311, drain, waste, and vent patterns and to fit Series PS 100 sewer and drain pipe. A. General: Applications of the following piping joining materials are indicated in Part 3 "Piping Applications" Article. B. Refer to Section "Common Work Results for Plumbing" for commonly used joining materials. C. Hubless, Cast-Iron, Soil-Piping Couplings: ASTM C1277 assembly of metal housing, corrosion-resistant fasteners, and ASTM C564 rubber sleeve or gasket with integral, center pipe stop. Include the following: D. Transition Couplings: Coupling or other manufactured fitting same size as, with pressure rating at least equal to, and with ends compatible with piping to be joined. E. Flexible, Transition Couplings for Underground, Nonpressure Piping: ASTM C1173 with elastomeric sleeve. Include ends same sizes as piping to be joined and include corrosionresistant metal band on each end. 1. Sleeve Type for Plain-End Piping: Rubber or elastomeric sleeve and stainless-steel band assembly, fabricated to match outside diameters of piping to be joined. Include the following: a. Sleeves for Cast-Iron Soil Piping: ASTM C564 rubber. b. Sleeves for Plastic Piping: ASTM F477 elastomeric seal. c. Sleeves for Dissimilar Piping: Compatible with piping materials to be joined. d. Bands: Stainless steel, one at each pipe insert. 2. Gasket Type for Dissimilar-End Piping: Rubber or elastomeric compression gasket, made to match inside diameter of pipe or hub, and outside diameter of adjoining pipe. Include the following: a. Gaskets for Cast-Iron Soil Piping: ASTM C564 rubber. b. Gaskets for Plastic Piping: ASTM F477 elastomeric seal. c. Gaskets for Dissimilar Piping: Compatible with piping materials to be joined PIPE AND TUBE FITTINGS A. General: Applications of the following pipe and tube fitting materials are indicated in Part 3 "Piping Applications" Article. B. Hub-and-Spigot, Cast-Iron, Soil-Pipe Fittings: ASTM A74, Service weighthub and spigot. Include ASTM C564 rubber gasket for each hub. C. Hubless, Cast-Iron, Soil-Pipe Fittings: CISPI 301. D. Ferrous Expansion Joints: Compound, galvanized steel fitting with telescoping body and slippipe section. Include packing rings, packing, limit rods, chrome-plated finish on slip-pipe section, and flanged ends. E. Ferrous, Double Expansion Joints: Compound, galvanized steel fitting with telescoping body and 2 slip-pipe sections. Include packing rings, packing, limit rods, chrome-plated finish on slip-pipe sections, and flanged ends. REVISED: 09/03/12 PAGE 4 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.

5 F. PVC Socket Fittings: ASTM D2665, made to ASTM D3311 drain, waste, and vent pipe patterns. G. PVC Plastic, Tubular Fittings: ASTM F409 drainage pattern, with ends as required for application. H. Steel Pipe Fittings: 1. Cast-Iron, Threaded, Drainage Fittings: ASME B16.12 [galvanized]. 2. Gray-Iron, Threaded Fittings: ASME B16.4, Class 125, [galvanized,] standard pattern. 3. Cast-Iron Flanges: ASME B16.1, Class Cast-Iron, Flanged Fittings: ASME B 16.1, Class 125 [galvanized]. I. Ductile Iron Pipe Fittings: 1. Mechanical-Joint, Ductile-Iron Fittings: AWWA C110, ductile or gray-iron standard pattern or AWWA C153, ductile-iron compact pattern. a. Glands, Gaskets, and Bolts: AWWA C111, ductile or gray-iron glands, rubber gaskets, and steel bolts. J. Copper Tube Fittings: 1. ASME B16.23, cast copper or ASME B16.29 wrought copper, solder-joint fittings. PART 3 EXECUTION 3.01 EXCAVATION A. Refer to Section "Earth Moving" for excavating, trenching, and backfilling PIPING APPLICATIONS A. Transition and special fittings with pressure ratings at least equal to piping pressure rating may be used in applications below, unless otherwise indicated. B. Flanges may be used on aboveground piping, unless otherwise indicated. C. Aboveground, Soil, Waste, and Vent Piping: Use the following: D. Underground, Soil, Waste, and Vent Piping: Use the following: /2-Inch NPS: Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: to 4-Inch NPS: Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints to 4-Inch NPS: Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-and-spigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints to 4-Inch NPS: Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: PAGE 5 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

6 REVISED: 09/03/12 d. Couplings: Compact, Type 304, stainless steel to 4-Inch NPS (DN50 to DN100): PVC plastic pipe, PVC socket fittings, and solventcemented joints and 6-Inch NPS (DN125 and DN150): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints and 6-Inch NPS (DN125 and DN150): Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-and-spigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints and 6-Inch NPS (DN125 and DN150): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Compact, Type 304, stainless steel and 6-Inch NPS (DN125 and DN150): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints Inch NPS (DN200): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints Inch NPS (DN200): Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-andspigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints Inch NPS (DN200): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Compact, Type 304, stainless steel Inch NPS (DN200): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints. E. Aboveground, Storm Drainage Piping: Use the following: to 4-Inch NPS (DN50 to DN100): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints to 4-Inch NPS (DN50 to DN100): Hubless, cast-iron soil pipe; hubless, cast-iron, soilpipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Heavy-duty, Type 301, stainless steel. PAGE 6 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.

7 3. 2- to 4-Inch NPS (DN50 to DN100): PVC plastic pipe, PVC socket fittings, and solventcemented joints and 6-Inch NPS (DN125 and DN150): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints and 6-Inch NPS (DN125 and DN150): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Heavy-duty, Type 301, stainless steel and 6-Inch NPS (DN125 and DN150): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints. F. Underground, Storm Drainage Piping: Use the following: and 4-Inch NPS (DN80 and DN100): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints and 4-Inch NPS (DN80 and DN100): Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-and-spigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints and 4-Inch NPS (DN80 and DN100): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Compact, Type 304, stainless steel and 4-Inch NPS (DN80 and DN100): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints and 6-Inch NPS (DN125 and DN150): Hub-and-spigot, cast-iron soil pipe, Service class; hub-and-spigot, cast-iron, soil-pipe fittings, Service class; and compression joints and 6-Inch NPS (DN125 and DN150): Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-and-spigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints and 6-Inch NPS (DN125 and DN150): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Compact, Type 304, stainless steel and 6-Inch NPS (DN125 and DN150): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints Inch NPS (DN200): Hub-and-spigot, cast-iron soil pipe, Extra Heavy class; hub-andspigot, cast-iron, soil-pipe fittings, Extra Heavy class; and compression joints. PAGE 7 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

8 REVISED: 09/03/ Inch NPS (DN200): Hubless, cast-iron soil pipe; hubless, cast-iron, soil-pipe fittings; and one of the following hubless, cast-iron, soil-piping couplings: d. Couplings: Compact, Type 304, stainless steel Inch NPS (DN200): PVC plastic pipe, PVC socket fittings, and solvent-cemented joints. G. Aboveground, Sewage Force Mains: Use the following: to 4-Inch NPS (DN50 and DN100): Hard copper water tube, Type L (Type B); copper, solder-joint pressure fittings; and soldered joints to 4-Inch NPS (DN50 and DN100): Hard copper water tube, Type L (Type B); copper, grooved-end fittings; and copper, keyed couplings to 4-Inch NPS (DN50 to DN100): Galvanized steel pipe and cast-iron, threaded fittings to 4-Inch NPS (DN50 to DN100): Galvanized steel pipe; steel, grooved-end fittings; and steel, keyed couplings and 6-Inch NPS (DN125 and DN150): Hard copper water tube, Type L (Type B); copper, grooved-end fittings; and copper, keyed couplings and 6-Inch NPS (DN125 and DN150): Galvanized steel pipe and cast-iron, threaded fittings and 6-Inch NPS (DN125 and DN150): Galvanized steel pipe; steel, grooved-end fittings; and steel, keyed couplings and 6-Inch NPS (DN125 and DN150): Ductile-iron, grooved-end pipe; ductile-iron, grooved-end fittings; and ductile-iron, keyed couplings PIPING INSTALLATION, GENERAL A. Refer to Section "Common Work Results for Plumbing" for basic piping installation SERVICE ENTRANCE PIPING INSTALLATION A. Refer to Section "Utilities" for sanitary piping and refer to Section Subdrainage for storm piping. B. Extend building sanitary drain piping and connect to sanitary sewer piping in sizes and locations indicated for service entrances into building. Install cleanout and extension to grade at connections of building sanitary drains with building sanitary sewers. C. Extend building storm drain piping and connect to storm sewer piping in sizes and locations indicated for service entrances into building. Install cleanout and extension to grade at connections of building storm drains and building storm sewers. D. Install wall penetration system at each service entrance pipe penetration through foundation wall. Make installation watertight. Refer to Section "Common Work Results for Plumbing" for wall penetration systems DRAINAGE AND VENT PIPING INSTALLATION A. Install cast-iron soil piping according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," Chapter IV, "Installation of Cast Iron Soil Pipe and Fittings." PAGE 8 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.

9 B. Make changes in direction for drainage and vent piping using appropriate branches, bends, and long-sweep bends. Sanitary tees and short-sweep 1/4 bends may be used on vertical stacks if change in direction of flow is from horizontal to vertical. Use long-turn, double Y- branch and 1/8-bend fittings if 2 fixtures are installed back to back or side by side with common drain pipe. Straight tees, elbows, and crosses may be used on vent lines. Do not make change in direction of flow greater than 90 degrees. Use proper size of standard increasers and reducers if different sizes of piping are connected. Reducing size of drainage piping in direction of flow is prohibited. C. Lay buried building drain piping beginning at low point of each system. Install true to grades and alignment indicated, with unbroken continuity of invert. Place hub ends of piping upstream. Install required gaskets according to manufacturer's written instructions for use of lubricants, cements, and other installation requirements. Maintain swab in piping and pull past each joint as completed. D. Install drainage and vent piping at the following minimum slopes, unless otherwise indicated: 1. Sanitary Building Drain: 2 percent downward in direction of flow for piping 3-inch NPS (DN80) and smaller; 1 percent downward in direction of flow for piping 4-inch NPS (DN100) and larger. 2. Horizontal, Sanitary Drainage Piping: 2 percent downward in direction of flow. 3. Storm Building Drain: 1 percent downward in direction of flow. 4. Horizontal, Storm Drainage Piping: 2 percent downward in direction of flow. 5. Vent Piping: 1 percent down toward vertical fixture vent or toward vent stack. E. Install force mains at elevations indicated if required due to local conditions. F. Install engineered, sanitary drainage and vent systems in locations indicated and as follows: 1. Combination Waste and Vent: Comply with standards of authorities having jurisdiction. 2. Reduced-Size Venting: Comply with standards of authorities having jurisdiction. G. Install engineered, controlled-flow, storm drainage systems in locations indicated. Comply with standards of authorities having jurisdiction. H. Sleeves are not required for cast-iron soil piping passing through concrete slab on grade if slab is without membrane waterproofing. I. Install PVC plastic drainage piping according to ASTM D2665. J. Install underground, PVC plastic drainage piping according to ASTM D JOINT CONSTRUCTION A. Refer to Section "Common Work Results for Plumbing" for basic piping joint construction. B. Cast-Iron, Soil-Piping Joints: Make joints according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," Chapter IV, "Installation of Cast Iron Soil Pipe and Fittings." 1. Compression Joints: Make with rubber gasket matching class of pipe and fittings. 2. Hubless Joints: Make with rubber gasket and sleeve or clamp. C. Grooved Joints: Assemble joints with coupling, gasket, lubricant, and bolts according to coupling and fitting manufacturer's written instructions. D. PVC Piping Joints: Join drainage piping according to ASTM D2665. PAGE 9 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

10 E. Handling of Solvent Cements, Primers, and Cleaners: Comply with procedures in ASTM F402 for safe handling during joining of plastic pipe and fittings HANGER AND SUPPORT INSTALLATION A. Refer to Section "Hangers and Supports for Plumbing Piping and Equipment" for pipe hanger and support devices. Install the following: 1. Riser clamps, MSS Type 8 or Type 42, for vertical runs. 2. Adjustable steel clevis hangers, MSS Type 1, for individual, straight, horizontal runs 100 feet and less. 3. Adjustable roller hangers, MSS Type 43, for individual, straight, horizontal runs longer than 100 feet. 4. Spring cushion rolls, MSS Type 49, if indicated, for individual, straight, horizontal runs longer than 100 feet. 5. Pipe rolls, MSS Type 44, for multiple, straight, horizontal runs 100 feet or longer. Support pipe rolls on trapeze. 6. Spring hangers, MSS Type 52, for supporting base of vertical runs. B. Install supports according to "Hangers and Supports for Plumbing Piping and Equipment" C. Support vertical piping and tubing at base and at each floor. D. Rod diameter may be reduced one size for double-rod hangers, with 3/8-inch minimum rods. E. Install hangers for cast-iron soil piping with the following maximum spacing and minimum rod diameters: /2- and 2-Inch NPS (DN40 and DN50): Maximum horizontal spacing, 60 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 15 feet Inch NPS (DN80): Maximum horizontal spacing, 60 inches with 1/2-inch minimum rod diameter; maximum vertical spacing, 15 feet and 5-Inch NPS (DN100 and DN125): Maximum horizontal spacing, 60 inches with 5/8-inch minimum rod diameter; maximum vertical spacing, 15 feet Inch NPS (DN150): Maximum horizontal spacing, 60 inches with 3/4-inch minimum rod diameter; maximum vertical spacing, 15 feet through 12-Inch NPS (DN200 through DN300): Maximum horizontal spacing, 60 inches with 7/8-inch minimum rod diameter; maximum vertical spacing, 15 feet. 6. Spacing for horizontal pipe in 10-foot lengths may be increased to 10 feet. Spacing for fittings is limited to 60 inches. F. Install hangers for PVC plastic piping with the following maximum spacing and minimum rod diameters: /2- and 2-Inch NPS (DN40 and DN50): Maximum horizontal spacing, 48 inches with 3/8-inch minimum rod diameter; maximum vertical spacing, 48 inches and 5-Inch NPS (DN100 and DN125): Maximum horizontal spacing, 48 inches with 5/8-inch minimum rod diameter; maximum vertical spacing, 48 inches Inch NPS (DN150): Maximum horizontal spacing, 48 inches with 3/4-inch minimum rod diameter; maximum vertical spacing, 48 inches. REVISED: 09/03/12 PAGE 10 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.

11 4. 8- through 12-Inch NPS (DN200 through DN300): Maximum horizontal spacing, 48 inches with 7/8-inch minimum rod diameter; maximum vertical spacing, 48 inches. G. Support piping and tubing not listed above according to MSS SP-69 and manufacturer's written instructions CONNECTIONS A. Connect service entrance piping to exterior sewerage and drainage piping. Use transition fitting to join dissimilar piping materials. B. Connect drainage piping to service entrance piping, and extend to and connect to the following: 1. Plumbing Fixtures: Connect drainage piping in sizes indicated, but not smaller than required by plumbing code. Refer to Section "Plumbing Fixtures." 2. Plumbing Specialties: Connect drainage and vent piping in sizes indicated, but not smaller than required by plumbing code. Refer to Section "Plumbing Specialties." 3. Equipment: Connect drainage piping as indicated. Provide shutoff valve, if indicated, and union for each connection. Use flanges instead of unions for connections 2-1/2-inch NPS (DN65) and larger FIELD QUALITY CONTROL A. Inspect drainage and vent piping as follows: 1. Do not enclose, cover, or put piping into operation until it is inspected and approved by authorities having jurisdiction. 2. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be made. Perform tests specified below in presence of authorities having jurisdiction. a. Roughing-In Inspection: Arrange for inspection of piping before concealing or closing-in after roughing-in and before setting fixtures. b. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests specified below and to ensure compliance with requirements. 3. Reinspection: If authorities having jurisdiction find that piping will not pass test or inspection, make required corrections and arrange for reinspection. 4. Reports: Prepare inspection reports and have them signed by authorities having jurisdiction. B. Test drainage and vent piping according to procedures of authorities having jurisdiction or, in absence of published procedure, as follows: 1. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or repaired. If testing is performed in segments, submit separate report for each test, complete with diagram of portion of piping tested. 2. Leave uncovered and unconcealed new, altered, extended, or replaced drainage and vent piping until it has been tested and approved. Expose work that has been covered or concealed before it has been tested and approved. 3. Roughing-In Plumbing Test Procedure: Test drainage and vent piping, except outside leaders, on completion of roughing-in. Close openings in piping system and fill with water to point of overflow, but not less than 10 feet of head. Water level must not drop from 15 PAGE 11 FILE: CFRST-Sanitary Waste And Vent Piping REVISED: 09/03/ , Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

12 minutes before inspection starts through completion of inspection. leaks. Inspect joints for 4. Finished Plumbing Test Procedure: After plumbing fixtures have been set and traps filled with water, test connections and prove they are gastight and watertight. Plug vent-stack openings on roof and building drains where they leave building. Introduce air into piping system equal to pressure of 1-inch wg. Use U-tube or manometer inserted in trap of water closet to measure this pressure. Air pressure must remain constant without introducing additional air throughout period of inspection. Inspect plumbing fixture connections for gas and water leaks. 5. Repair leaks and defects using new materials and retest piping or portion thereof until satisfactory results are obtained. 6. Prepare reports for tests and required corrective action CLEANING AND PROTECTING A. Clean interior of piping system. Remove dirt and debris as work progresses. B. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work. C. Place plugs in ends of uncompleted piping at end of day and when work stops. D. Exposed PVC Piping: Protect plumbing vents exposed to sunlight with 2 coats of water-based latex paint. END OF SECTION REVISED: 09/03/12 PAGE 12 FILE: CFRST-Sanitary Waste And Vent Piping CFRST SPECMSTR-NEW BUILD 2012, Marriott International, Inc.