TABLE OF CONTENTS. CHAPTER 2 DEFINITIONS General Applicability Definition of Terms General...

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1 TABLE OF CONTENTS CHAPTER 1 ADMINISTRATION General Title Scope Purpose Unconstitutional Validity Applicability Conflicts Between Codes Existing Installations Maintenance Additions, Alterations, Renovations, or Repairs Health and Safety Changes in Building Occupancy Moved Structures Appendices Duties and Powers of the Authority Having Jurisdiction General Liability Applications and Permits Right of Entry Permits Permits Required Exempt Work Application for Permit Permit Issuance Fees Inspections and Testing General Required Inspections Testing of Systems Connection to Service Utilities Violations and Penalties General Notices of Correction or Violation Penalties Stop Orders Authority to Disconnect Utilities in Emergencies Authority to Condemn Board of Appeals General Limitations of Authority Table Plumbing Permit Fees CHAPTER 2 DEFINITIONS General Applicability Definition of Terms General CHAPTER 3 GENERAL REGULATIONS General Applicability Minimum Standards Alternate Materials and Methods of Construction Equivalency Flood Hazard Areas Alternative Engineered Design Iron Pipe Size (IPS) Pipe General Disposal of Liquid Waste General Connections to Plumbing System Required General Damage to Drainage System or Public Sewer Unlawful Practices Industrial Wastes Detrimental Wastes Safe Discharge Location System Ownership Improper Location General Workmanship Engineering Practices Concealing Imperfections Burred Ends Installation Practices Prohibited Fittings and Practices Fittings Drainage and Vent Piping Waste Connection Use of Vent and Waste Pipes Obstruction of Flow Dissimilar Metals Direction of Flow xix

2 310.8 Screwed Fittings Independent Systems General Protection of Piping, Materials, and Structures General Installation Building Sewer and Drainage Piping Corrosion, Erosion, and Mechanical Damage Protectively Coated Pipe Freezing Protection Fire-Resistant Construction Waterproofing of Openings Steel Nail Plates Sleeves Structural Members Rodentproofing Exposed ABS Piping Exposed PVC Piping Hangers and Supports General Material Suspended Piping Alignment Underground Installation Hanger Rod Sizes Table Hanger Rod Sizes Gas Piping Trenching, Excavation, and Backfill Trenches Tunneling and Driving Open Trenches Excavations Joints and Connections Unions Prohibited Joints and Connections Increasers and Reducers General Food-Handling Establishments General Test Gauges General Pressure Tests (10 psi or less) Pressure Tests (greater than 10 psi to 100 psi) Pressure Tests (exceeding 100 psi) Pressure Range Medical Gas and Vacuum Systems General Rehabilitation of Piping Systems General Table Hangers and Supports CHAPTER 4 PLUMBING FIXTURES AND FIXTURE FITTINGS General Applicability Quality of Fixtures Installation Cleaning Joints Securing Fixtures Wall-Hung Fixtures Setting Flanged Fixture Connections Supply Fittings Installation Design and Installation of Plumbing Fixtures Slip Joint Connections Future Fixtures Accessible Plumbing Facilities General Fixtures and Fixture Fittings for Persons with Disabilities Exposed Pipes and Surfaces Overflows General Prohibited Fixtures Prohibited Water Closets Prohibited Urinals Miscellaneous Fixtures Special Fixtures and Specialties Water and Waste Connections Special Use Sinks Special Use Fixtures Zinc Alloy Components Lavatories Application Water Consumption Limitation of Hot Water Temperature for Public Lavatories Transient Public Lavatories Waste Outlet xx

3 407.6 Overflow Showers Application Water Consumption Individual Shower and Tub-Shower Combination Control Valves Waste Outlet Finished Curb or Threshold Shower Compartments Lining for Showers and Receptors Public Shower Floors Location of Valves and Heads Water Supply Riser Bathtubs and Whirlpool Bathtubs Application Waste Outlet Overflow Limitation of Hot Water in Bathtubs and Whirlpool Bathtubs Backflow Protection Installation and Access Bidets Application Backflow Protection Limitation of Water Temperature in Bidets Water Closets Application Water Consumption Water Closet Seats Urinals Application Backflow Protection Flushing Devices Where Required Flushometer Valves Flush Tanks Water Supply for Flush Tanks Overflows in Flush Tanks Dishwashing Machines Application Backflow Protection Drainage Connection Drinking Fountains Application Drinking Fountain Alternatives Drainage Connection Location Emergency Eyewash and Shower Equipment Application Water Supply Installation Location Drain Faucets and Fixture Fittings Application Deck Mounted Bath/Shower Valves Handheld Showers Faucets and Fixture Fittings with Hose Connected Outlets Separate Controls for Hot and Cold Water Floor Drains Application Strainer Location of Floor Drains Food Storage Areas Floor Slope Food Waste Disposers Application Drainage Connection Water Supply Sinks Application Water Consumption Pre-Rinse Spray Valve Waste Outlet Floor Sinks Application Strainers Minimum Number of Required Fixtures Fixture Count Separate Facilities Fixture Requirements for Special Occupancies Toilet Facilities Serving Employees and Customers Toilet Facilities for Workers Table Minimum Plumbing Facilities xxi

4 CHAPTER 5 WATER HEATERS General Applicability Permits General Inspection Inspection of Chimneys or Vents Final Water Heater Inspection Water Heater Requirements Location Vent Clearance Table 501.1(1) First Hour Rating Pressure-Limiting Devices Temperature-Limiting Devices Temperature, Pressure, and Vacuum Relief Devices Oil-Burning and Other Water Heaters Water Heaters Safety Devices Oil-Fired Water Heaters Indirect-Fired Water Heaters Table 501.1(2) Water Heaters Air for Combustion and Ventilation General Indoor Combustion Air Indoor Opening Size and Location Outdoor Combustion Air Combination Indoor and Outdoor Combustion Air Engineered Installations Mechanical Combustion Air Supply Louvers, Grilles, and Screens Combustion Air Ducts Appliance and Equipment Installation Requirements Dielectric Insulator Seismic Provisions Support of Appliances Ground Support Drainage Pan Added or Converted Equipment or Appliances Types of Gases Safety Shutoff Devices for Unlisted LP-Gas Appliances Used Indoors Use of Air or Oxygen Under Pressure Protection of Gas Appliances from Fumes or Gases other than Products of Combustion Process Air Flammable Vapors Installation in Garages Installation in Commercial Garages Installation in Aircraft Hangars Venting of Flue Gases Extra Device or Attachment Adequate Capacity of Piping Avoiding Strain on Gas Piping Gas Appliance Pressure Regulators Venting of Gas Appliance Pressure Regulators Bleed Lines for Diaphragm-Type Valves Combination of Appliances and Equipment Installation Instructions Protection of Outdoor Appliances Accessibility for Service Equipment and Appliances on Roofs General Installation of Equipment and Appliances on Roofs Access to Equipment and Appliances on Roofs Appliances in Attics and Under-Floor Spaces Venting of Appliances Listing Connection to Venting Systems Design and Construction Type of Venting System to be Used Masonry, Metal, and Factory-Built Chimneys Table Type of Venting System to be Used Gas Vents Table Roof Pitch Height xxii

5 509.7 Single-Wall Metal Pipe Through-the-Wall Vent Termination Table (1) Clearance for Connectors Table (2) Reduction of Clearances with Specified Forms of Protection Condensation Drain Vent Connectors for Category I Appliances Table Minimum Thickness for Galvanized Steel Vent Connectorsfor Low-Heat Appliances Table Minimum Thickness for Steel Vent Connectors for Medium-Heat Appliances and Commercial and Industrial Incinerators Draft Hoods and Draft Controls Manually Operated Dampers Automatically Operated Vent Dampers Obstructions Sizing of Category I Venting Systems Single Appliance Vent Table (1) through Table (6) Multiple Appliance Vent Table 510.2(1) through Table 510.2(9)...61 Table Vent Connector Maximum Length Table (1) Type B Double-Wall Gas Vent Table (2) Type B Double-Wall Gas Vent Table (3) Masonry Chimney Table (4) Masonry Chimney Table (5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent Table (6) Exterior Masonry Chimney Table 510.2(1) Type B Double-Wall Vent Table 510.2(2) Type B Double-Wall Vent Table 510.2(3) Masonry Chimney Table 510.2(4) Masonry Chimney Table 510.2(5) Single-Wall Metal Pipe or Type B Asbestos-Cement Vent Table 510.2(6) Exterior Masonry Chimney Table 510.2(7) Exterior Masonry Chimney Table 510.2(8) Exterior Masonry Chimney Table 510.2(9) Exterior Masonry Chimney CHAPTER 6 WATER SUPPLY AND DISTRIBUTION General Applicability Hot and Cold Water Required Identification of a Potable and Nonpotable Water System Table Minimum Length of Color Field and Size of Letters Unlawful Connections Prohibited Installation Cross-Contamination Backflow Prevention Approval by Authority Cross-Connection Control General Approval of Devices or Assemblies Backflow Prevention Devices, Assemblies, and Methods Table Backflow Prevention Devices, Assemblies, and Methods Table Minimum Air Gaps for Water Distribution General Requirements Specific Requirements Materials Pipe, Tube, and Fittings Lead Content Copper or Copper Alloy Tube Hard-Drawn Copper or Copper Alloy Tubing Flexible Connectors Cast-Iron Fittings Malleable Iron Fittings Previously Used Piping and Tubing Epoxy Coating Plastic Materials Solder Table Materials for Building Supply and Water Distribution Piping and Fittings Flexible Corrugated Connectors Water Heater Connectors Joints and Connections Copper or Copper Alloy Pipe, Tubing, and Joints CPVC Plastic Pipe and Joints CPVC/AL/CPVC Plastic Pipe and Joints Ductile Iron Pipe and Joints Galvanized Steel Pipe and Joints PE Plastic Pipe/Tubing and Joints xxiii

6 605.7 PE-AL-PE Plastic Pipe/Tubing and Joints PE-RT PEX Plastic Tubing and Joints PEX-AL-PEX Plastic Tubing and Joints Polypropylene (PP) Piping and Joints PVC Plastic Pipe and Joints Stainless Steel Pipe and Joints Slip Joints Dielectric Unions Joints Between Various Materials Valves General Fullway Valve Multidwelling Units Multiple Openings Control Valve Accessible Multiple Fixtures Potable Water Supply Tanks General Potable Water Tanks Venting Overflow Valves Water Pressure, Pressure Regulators, Pressure Relief Valves, and Vacuum Relief Valves Inadequate Water Pressure Excessive Water Pressure Expansion Tanks, and Combination Temperature and Pressure-Relief Valves Pressure Relief Valves Discharge Piping Water-Heating Devices Vacuum Relief Valves Installation, Testing, Unions, and Location Installation Trenches Under Concrete Slab Testing Unions Location Abutting Lot Low-Pressure Cutoff Required on Booster Pumps for Water Distribution Systems Disinfection of Potable Water System Water Hammer Pipe Insulation Size of Potable Water Piping Size Pressure Loss Quantity of Water Sizing Water Supply and Distribution Systems Table Water Supply Fixture Units (WSFU) and Minimum Fixture Branch Pipe Sizes Table Fixture Unit Table for Determining Water Pipe and Meter Sizes Sizing per Appendices A and C Friction and Pressure Loss Conditions for Using Table Size of Meter and Building Supply Pipe Using Table Size of Branches Sizing for Flushometer Valves Table Flushometer Fixture Units for Water Sizing Using Table Sizing Systems for Flushometer Tanks Sizing for Velocity Exceptions Drinking Water Treatment Units Application Air Gap Discharge Connection Tubing Sizing of Residential Softeners Residential Fire Sprinkler Systems Where Required Table Sizing of Residential Water Softeners Types of Systems Sprinklers Table Locations Where Intermediate Temperature Sprinklers are Required xxiv

7 612.4 Sprinkler Piping System Sprinkler Piping Design Table Minimum Separation From Obstruction Table (1) Water Service Pressure Loss (PL ws ) Table (2) Minimum Water Meter Pressure Loss (PL m ) Instructions and Signs Inspection and Testing Table (3) Elevation Loss (PL e ) Table (4) Allowable Pipe Length for 3/4 Inch Type M Copper Water Tubing Table (5) Allowable Pipe Length for 1 Inch Type M Copper Water Tubing Table (6) Allowable Pipe Length for 3/4 Inch IPS CPVC Pipe Table (7) Allowable Pipe Length for 1Inch IPS CPVC Pipe Table (8) Allowable Pipe Length for 3/4 Inch PEX Tubing Table (9) Allowable Pipe Length for 1 Inch PEX Tubing CHAPTER 7 SANITARY DRAINAGE PART I Drainage Systems General Applicability Drainage Piping Drainage Fittings Continuous Wastes Lead Caulking Ferrules Soldering Bushings Table Caulking Ferrules Table Soldering Bushings Fixture Unit Equivalents Trap Size Table Materials for Drain, Waste, Vent Pipe and Fittings Table Drainage Fixture Unit Values (DFU) Intermittent Flow Continuous Flow Table 702.2(1) Maximum Drainage Fixture Units for a Trap and Trap Arm Table 702.2(2) Discharge Capacity in Gallons Per Minute for Intermittent Flow Only Size of Drainage Piping Minimum Size Maximum Number of Fixture Units Sizing per Appendix C Fixture Connections (Drainage) Inlet Fittings Single Vertical Drainage Pipe Commercial Sinks Joints and Connections ABS and ABS Co-Extruded Plastic Pipe and Joints Cast-Iron Pipe and Joints Table Maximum Unit Loading and Maximum Length of Drainage and Vent Piping Copper or Copper Alloy Pipe (DWV) and Joints Galvanized Steel Pipe and Joints PVC and PVC Co-Extruded Plastic Pipe and Joining Methods Stainless Steel Pipe and Joints Vitrified Clay Pipe and Joints Special Joints Joints Between Various Materials Changes in Direction of Drainage Flow Approved Fittings Horizontal to Vertical Horizontal to Horizontal Vertical to Horizontal Cleanouts Plug Table Cleanouts Approved Watertight and Gastight Location Cleaning Extension Interceptor Access Clearance Fittings Pressure Drainage Systems Countersunk Cleanout Plugs Hubless Blind Plugs xxv

8 Trap Arms Grade of Horizontal Drainage Piping General Gravity Drainage Required General Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level Backflow Protection Sewage Discharge Sewage Ejector and Pumps Discharge Line Size of Building Drains and Sewers Backwater Valves Drainage and Venting Systems Sump and Receiving Tank Construction Alarm Sump and Receiving Tank Covers and Vents Air Tanks Grinder Pump Ejector Macerating Toilet Systems and Pumped Waste Systems Suds Relief General Testing Media Water Test Air Test PART II Building Sewers Sewer Required Where Required Private Sewage Disposal System Public Sewer Public Sewer Availability Permit Lot Installation Damage to Public Sewer or Private Sewage Disposal System Unlawful Practices Prohibited Water Discharge Prohibited Sewer Connection Commercial Food Waste Disposer Tanks Building Sewer Materials Materials Joining Methods and Materials Existing Sewers Markings General Size of Building Sewers General Table Maximum/Minimum Fixture Unit Loading on Building Sewer Piping Grade, Support, and Protection of Building Sewers Slope Support Protection from Damage Cleanouts Locations No Additional Cleanouts Building Sewer Cleanouts Cleaning Access Manholes Sewer and Water Pipes General Location Building Sewer Abutting Lot Abandoned Sewers and Sewage Disposal Facilities Building (House) Sewer Cesspools, Septic Tanks, and Seepage Pits Filling Ownership Table Minimum Horizontal Distance Required from Building Sewer Disposal Facilities Building Sewer Test General CHAPTER 8 INDIRECT WASTES General Applicability Air Gap or Air Break Required xxvi

9 801.3 Food and Beverage Handling Establishments Bar and Fountain Sink Traps Connections from Water Distribution System Sterilizers Drip or Drainage Outlets Approvals General Indirect Waste Piping Materials Copper and Copper Alloys Pipe Size and Length Indirect Waste Receptors Standpipe Receptors Pressure Drainage Connections General Sterile Equipment General Appliances Non-Classed Apparatus Undiluted Condensate Waste Domestic Dishwashing Machine Cooling Water General Drinking Fountains General Steam and Hot Water Drainage Condensers and Sumps High Temperature Discharge Table Pipe Connections in Blowoff Condensers and Sumps Sumps, Condensers, and Intercepting Tanks Cleaning Strainers Chemical Wastes Pretreatment Waste and Vent Pipes Joining Materials Access Permanent Record Chemical Vent Discharge Diluted Chemicals Clear Water Wastes General Swimming Pools General Condensate Wastes and Control Condensate Disposal Condensate Control Condensate Waste Pipe Material and Sizing Table Minimum Condensate Pipe Size Appliance Condensate Drains Point of Discharge Condensate Waste From Air- Conditioning Coils Plastic Fittings CHAPTER 9 VENTS General Applicability Vents Required Trap Seal Protection Vents Not Required Interceptor Bars, Soda Fountains, and Counter Materials Applicable Standards Use of Copper or Copper Alloy Tubing Changes in Direction Size of Vents Size Length Vent Pipe Grades and Connections Grade Horizontal Drainage Pipe Vent Pipe Rise Roof Termination Location of Opening Common Vertical Pipe Vent Termination Roof Termination Clearance Use of Roof Outdoor Installations Joints Lead Frost or Snow Closure Vent Stacks and Relief Vents xxvii

10 907.1 Drainage Stack Yoke Vent Wet Venting Vertical Wet Venting Horizontal Wet Venting for a Bathroom Group Special Venting for Island Fixtures General Combination Waste and Vent Systems Where Permitted Approval Vents Size Vertical Waste Pipe Cleanouts Fixtures Circuit Venting Circuit Vent Permitted Vent Size and Connection Slope and Size of Horizontal Branch Relief Vent Additional Fixtures Engineered Vent System General Minimum Requirements CHAPTER 10 TRAPS AND INTERCEPTORS General Applicability Where Required Traps Protected by Vent Pipes Vent Pipes Fixture Traps Change of Direction Vent Pipe Opening Traps Described General Requirements Slip Joint Fittings Table Horizontal Lengths of Trap Arms Size Traps Prohibited Movable Parts Trap Seals General Floor Drain Traps General Trap Seal Protection General Building Traps General Interceptors (Clarifiers) and Separators Where Required Approval Design Relief Vent Location Maintenance of Interceptors Discharge Slaughterhouses, Packing Establishments, etc General Minimum Requirements for Auto Wash Racks General Commercial and Industrial Laundries General Bottling Establishments General Grease Interceptors General Hydromechanical Grease Interceptors Gravity Grease Interceptors Table Hydromechanical Grease Interceptor Sizing Using Gravity Flow Rates Table Gravity Grease Interceptor Sizing FOG (Fats, Oils, and Greases) Disposal System Purpose Components, Materials, and Equipment Sizing and Installation Performance Sand Interceptors Discharge Authority Having Jurisdiction Construction and Size xxviii

11 Separate Use Oil and Flammable Liquid Interceptors Interceptors Required Design of Interceptors CHAPTER 11 STORM DRAINAGE General Applicability Where Required Storm Water Drainage to Sanitary Sewer Prohibited Material Uses Table Materials for Subsoil Drain Pipe and Fittings Expansion Joints Required Subsoil Drains Building Subdrains Areaway Drains Window Areaway Drains Filling Stations and Motor Vehicle Washing Establishments Paved Areas Roof Drainage Cleanouts Rainwater Sumps Traps on Storm Drains and Leaders Leaders, Conductors, and Connections Roof Drains Applications Dome Strainers Required Roof Drain Flashings Size of Leaders, Conductors, and Storm Drains Vertical Conductors and Leaders Size of Horizontal Storm Drains and Sewers Size of Roof Gutters Side Walls Draining onto a Roof Values for Continuous Flow General Controlled-Flow Roof Drainage Application Table (1) Controlled-Flow Maximum Roof Water Depth Table (2) Distance of Scupper Bottoms Above Roof Setback Roofs Testing Testing Required Methods of Testing Storm Drainage Systems Table Sizing of Horizontal Rainwater Piping Table Sizing Roof Drains, Leaders, and Vertical Rainwater Piping Table Size of Gutters CHAPTER 12 FUEL GAS PIPING General Applicability Coverage of Piping System General Piping System Requirements Applications Inspection Inspection Notification Excavation Type of Inspections Inspection Waived Certificate of Inspection Issuance Gas Supplier Unlawful Authority to Render Gas Service Authorized Personnel Outlets Authority to Disconnect Disconnection Notice Capped Outlets Temporary Use of Gas General Gas Piping System Design, Materials, and Components Installation of Piping System Provision for Location of Point of Delivery Interconnections Between Gas Piping Systems Sizing of Gas Piping Systems xxix

12 Table Approximate Gas Input for Typical Appliances Acceptable Piping Materials and Joining Methods Table Specifications for Threading Metallic Pipe Gas Meters Gas Pressure Regulators Backpressure Protection Low-Pressure Protection Shutoff Valves Expansion and Flexibility Excess Flow Valve General Gas Piping Installation Piping Underground Installation of Piping Table Support of Piping Concealed Piping in Buildings Piping in Vertical Chases Maximum Design Operating Pressure Appliance Overpressure Protection Gas Pipe Turns Drips and Sediment Traps Outlets Branch Pipe Connection Manual Gas Shutoff Valves Prohibited Devices Systems Containing Gas-Air Mixtures Outside the Flammable Range Systems Containing Flammable Gas-Air Mixtures Electrical Bonding and Grounding Pipe and Tubing other than CSST Bonding of CSST Gas Piping Grounding Conductor or Electrode Lightning Protection System Electrical Circuits Electrical Connections Appliance Connections to Building Piping Connecting Gas Appliances Suspended Low-Intensity Infrared Tube Heaters Use of Gas Hose Connectors Connection of Portable and Mobile Industrial Gas Appliances Appliance Shutoff Valves and Connections Quick-Disconnect Devices Gas Convenience Outlets Sediment Trap Installation of Piping Liquefied Petroleum Gas Facilities and Piping Pressure Testing and Inspection Piping Installations Test Preparation Test Pressure Detection of Leaks and Defects Piping System Leak Test Purging Requirements Table Size and Length of Piping Interconnections Between Gas Piping Systems Interconnections Supplying Separate Users Interconnections for Standby Fuels Required Gas Supply General Volume Gas Appliances Size of Piping Outlets Required Gas Piping Size Pipe Sizing Methods Tables for Sizing Gas Piping Systems Sizing Equations Table Cr and Y for Natural Gas and Undiluted Propane at Standard Conditions Sizing of Piping Sections Engineering Methods Variable Gas Pressure Table (1) Schedule 40 Metallic Pipe Table (2) Schedule 40 Metallic Pipe Table (3) Schedule 40 Metallic Pipe Table (4) Schedule 40 Metallic Pipe xxx

13 Table (5) Schedule 40 Metallic Pipe Table (6) Schedule 40 Metallic Pipe Table (7) Semi-Rigid Copper Tubing Table (8) Semi-Rigid Copper Tubing Table (9) Semi-Rigid Copper Tubing Table (10) Semi-Rigid Copper Tubing Table (11) Semi-Rigid Copper Tubing Table (12) Semi-Rigid Copper Tubing Table (13) Semi-Rigid Copper Tubing Table (14) Corrugated Stainless Steel Tubing (CSST) Table (15) Corrugated Stainless Steel Tubing (CSST) Table (16) Corrugated Stainless Steel Tubing (CSST) Table (17) Corrugated Stainless Steel Tubing (CSST) Table (18) Corrugated Stainless Steel Tubing (CSST) Table (19) Polyethylene Plastic Pipe Table (20) Polyethylene Plastic Pipe Table (21) Polyethylene Plastic Pipe Table (22) Polyethylene Plastic Tubing Table (23) Polyethylene Plastic Tubing Table (24) Schedule 40 Metallic Pipe Table (25) Schedule 40 Metallic Pipe Table (26) Schedule 40 Metallic Pipe Table (27) Schedule 40 Metallic Pipe Table (28) Semi-Rigid Copper Tubing Table (29) Semi-Rigid Copper Tubing Table (30) Semi-Rigid Copper Tubing Table (31) Corrugated Stainless Steel Tubing (CSST) Table (32) Corrugated Stainless Steel Tubing (CSST) Table (33) Corrugated Stainless Steel Tubing (CSST) Table (34) Polyethylene Plastic Pipe Table (35) Polyethylene Plastic Pipe Table (36) Polyethylene Plastic Tubing CHAPTER 13 HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS PART I General Requirements General Applicability Where Not Applicable Conflict of Requirements Terms Where Required Existing Systems Design Requirements Building System Categories Patient Care Rooms Anesthetizing Locations Wet Procedure Locations Health Care Facilities Drinking Fountain Control Valves Psychiatric Patient Rooms Locations for Ice Storage Sterilizers and Bedpan Steamers Aspirators Drains Clinical Sinks Water Supply for Hospitals Medical Gas and Medical Vacuum Piping Systems General Manufacturer s Instructions Supply Source Certification of Systems Construction Documents System Performance Required Operating Pressures Minimum Flow Rates Minimum Station Outlets and Inlets Table Standard Designation Colors and Operating Pressures for Medical Gas and Medical Vacuum Systems Table Minimum Flow Rates Qualifications of Installers General Brazing Table Minimum Outlets and Inlets Per Station Health Care Organization Personnel Brazing Procedures General Examination Brazing Procedure Specification Documentation Procedures Conditions of Acceptance Qualifications xxxi

14 PART II Medical Gas and Medical Vacuum System Piping Pipe Materials General Cleaning Delivery Tubes for Medical Gas Systems Tubes for Medical Vacuum Systems Joints and Connections General Changes in Direction Brazed Joints and Fittings Special Fittings Welded Joints Prohibited Joints Installation of Piping General Required Pipe Sizing Table (1) System Sizing Flow Requirements for Station Outlets and Inlets Table (1) Maximum Permitted Pressure Loss in Medical Gas and Medical Vacuum Systems Pipe Protection Location of Piping Pipe Support Table (1) Maximum Metallic Pipe Support Spacing Table (2) Maximum Plastic Pipe Support Spacing Backfilling and Trenching Connectors Prohibited System Interconnections Changes in System Use Table (2) Pressure Loss for Medical Air Table (3) Pressure Loss for Nitrogen Table (4) Pressure Loss for Nitrous Oxide and Carbon Dioxide Table (5) Pressure Loss for Oxygen Table (6) Pressure Loss for Vacuum Table (7) Pressure Loss for Vacuum (Category 3) Breaching or Penetrating Medical Gas Piping Labeling and Identification Cleaning for Medical Gas Piping Systems Cleaning Contaminated Materials Shutoff Valves General Source Valves Main Valves Riser Valves Service Valves Zone Valves In-Line Shutoff Valves Future Piping Identification PART III Systems, Equipment, and Components Central Supply Systems General Medical Air Systems Medical Air Compressors Medical Air Receivers Medical Vacuum System General Medical-Surgical Vacuum Sources Vacuum Pumps Vacuum Receivers Vacuum Source Exhausts Pressure-Regulating Equipment Where Required Pressure-Relief Valves Pressure Gauges Station Outlets and Inlets General Required Valves Post Installation Identification Warning Systems Category 1 and 2 Systems Category 3 Systems Components PART IV Testing, Inspection and Certification Testing and Inspection Where Required Breached Systems Reports xxxii