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Uniform Mechanical Code, 2012
- Preface
- 2012 UNIFORM MECHANICAL CODE
- Copyright
- Foreword
- Tentative Interim Amendment
- FORM FOR PROPOSALS
- TABLE OF CONTENTS
- Chapter 1 ADMINISTRATION
[Go to Page]
- Part I - General
[Go to Page]
- 101.0 Title, Scope, and General
- 102.0 Application to Existing Mechanical Systems.
- 103.0 Alternate Materials and Methods
- 104.0 Intent
- 105.0 Testing
- Part II - Organization and Enforcement
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- 106.0 Powers and Duties of the Authority Having Jurisdiction
- 107.0 Unsafe Equipment
- 108.0 Board of Appeals
- 109.0 Violations
- Part III - Permits and Inspections
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- 110.0 Penalties
- 111.0 Permits
- 112.0 Application for Permit
- 113.0 Permit Issuance
- 114.0 Fees
- 115.0 Inspections
- 116.0 Connection Approval
- 117.0 Unconstitutional
- 118.0 Validity
- Chapter 2 DEFINITIONS [Go to Page]
- 201.0 General
- 202.0 Accepted Meanings
- 203.0 -A-
- 204.0 -B-
- 205.0 -C-
- 206.0 -D-
- 207.0 -E-
- 208.0 -F-
- 209.0 -G-
- 210.0 -H-
- 211.0 -I-
- 212.0 -J-
- 213.0 -K-
- 214.0 -L-
- 215.0 -M-
- 216.0 -N-
- 217.0 -O-
- 218.0 -P-
- 219.0 -Q-
- 220.0 -R-
- 221.0 -S-
- 222.0 -T-
- 223.0 -U-
- 224.0 -V-
- 225.0 -W-
- 226.0 -X-
- 227.0 -Y-
- 228.0 -Z-
- Chapter 3 GENERAL REQUIREMENTS
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- 301.0 General
- 302.0 Approval
- 303.0 Installation
- 304.0 Service and Access
- 305.0 Automatic Control Devices
- 306.0 Standards
- 307.0 Labeling
- 308.0 Location
- 309.0 Improper Location
- 310.0 Electrical Connections
- 311.0 Workmanship
- 312.0 Condensate Wastes and Control
- 313.0 Personnel Protection
- 314.0 Heating or Cooling Air System
- 315.0 Water Supply
- 316.0 Pipe, Tube Hangers, and Supports
- 317.0 Balancing
- 318.0 Louvers in Hurricane Prone Regions
- 319.0 Protection of Piping, Materials, and
Structures
- 320.0 Sleeves for Piping
- 321.0 Cutting Structure
- 322.0 Ratproofing
- Chapter 4 VENTILATION AIR SUPPLY
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- 401.0 General
- 402.0 Ventilation Air
- 403.0 Ventilation Rates
- 404.0 Multiple-Zone Systems
- Chapter 5 EXHAUST SYSTEMS
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- 501.0 General
- 502.0 Product-Conveying Ducts Classification
- 503.0 Motors, Fans, and Filters
- 504.0 Environmental Air Ducts
- 505.0 Design of Product-Conveying Ventilation Systems
- 506.0 Product-Conveying Ducts
- 507.0 General Requirements
- 508.0 Hoods
- 509.0 Grease Removal Devices in Hoods
- 510.0 Exhaust Duct Systems
- 511.0 Air Movement
- 512.0 Auxiliary Equipment
- 513.0 Fire-Extinguishing Equipment
- 514.0 Procedures for the Use, Inspection, Testing, and Maintenance of Equipment
- 515.0 Minimum Safety Requirements for Cooking Equipment
- 516.0 Recirculating Systems
- 517.0 Solid-Fuel Cooking Operations
- Chapter 6 DUCT SYSTEMS
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- 601.0 General
- 602.0 Material
- 603.0 Installation of Ducts
- 604.0 Insulation of Ducts
- 605.0 Smoke Dampers, Fire Dampers, and Ceiling Dampers
- 606.0 Ventilating Ceilings
- 607.0 Use of Under-Floor Space as Supply Plenum for Dwelling Units
- 608.0 Automatic Shutoffs
- Chapter 7 COMBUSTION AIR
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- 701.0 Air for Combustion and Ventilation
- 702.0 Process Air
- 703.0 Extra Device or Attachment
- 704.0 Bleed Lines for Diaphragm-Type Valves
- Chapter 8 CHIMNEYS AND VENTS
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- 801.0 General
- 802.0 Venting of Appliances
- 803.0 Sizing of Category I Venting Systems
- Chapter 9 INSTALLATION OF SPECIFIC APPLIANCES
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- 901.0 General
- 902.0 General
- 903.0 Air-Conditioning Appliances
- 904.0 Central Heating Boilers and Furnaces
- 905.0 Clothes Dryers
- 906.0 Conversion Burners
- 907.0 Decorative Appliances for Installation in Vented Fireplaces
- 908.0 Gas Fireplaces, Vented
- 909.0 Non-Recirculating Direct Gas-Fired Industrial Air Heaters
- 910.0 Recirculating Direct Gas-Fired Industrial Air Heaters
- 911.0 Duct Furnaces
- 912.0 Floor Furnaces
- 913.0 Food Service Appliance, Floor Mounted
- 914.0 Food Service Appliances, Counter Appliances
- 915.0 Hot Plates and Laundry Stoves
- 916.0 Household Cooking Appliances
- 917.0 Illuminating Appliances
- 918.0 Incinerators, Commercial-Industrial
- 919.0 Infrared Heaters
- 920.0 Open-Top Broiler Units
- 921.0 Outdoor Cooking Appliances
- 922.0 Pool Heaters
- 923.0 Refrigerators
- 924.0 Room Heaters
- 925.0 Stationary Gas Engines
- 926.0 Gas-Fired Toilets
- 927.0 Unit Heaters
- 928.0 Wall Furnaces
- 929.0 Appliances for Installation in Manufactured Housing
- 930.0 Small Ceramic kilns
- 931.0 Compressed Natural Gas (CNG) Vehicular Fuel Systems
- 932.0 Outdoor Open Flame Decorative Appliances
- 933.0 Appliances for Installation in Manufactured Housing
- 934.0 Fuel Cell Power Plants
- 935.0 Evaporative Cooling Systems
- Chapter 10 STEAM AND HOT WATER BOILERS
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- 1001.0 General
- 1002.0 Standards
- 1003.0 Workmanship
- 1005.0 Expansion Tanks
- 1006.0 Safety or Relief Valve Discharge
- 1007.0 Shutoff Valves
- 1008.0 Gas-Pressure Regulators
- 1009.0 Low-Water Cutoff
- 1010.0 Combustion Regulators - Safety Valves
- 1011.0 Automatic Boilers
- 1012.0 Clearance for Access
- 1013.0 Boiler Rooms and Enclosures
- 1014.0 Mounting
- 1015.0 Floors
- 1016.0 Chimneys or Vents
- 1017.0 Drainage
- 1018.0 Boilers, Stokers, and Steam Generators
- 1019.0 Air for Combustion and Ventilation
- 1020.0 Operating Adjustments and Instructions
- 1021.0 Inspections and Tests
- 1022.0 Operating Permit
- 1023.0 Maintenance Inspection
- 1024.0 Operation and Maintenance of Boilers and Pressure Vessels
- Chapter 11 REFRIGERATION
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- 1101.0 General
- 1102.0 Refrigeration Systems
- 1103.0 Refrigerant Classification
- 1104.0 Classification of Refrigeration Systems
- 1105.0 Requirements for Refrigerant and Refrigeration System Use
- 1106.0 General Requirements
- 1107.0 Refrigeration Machinery Rooms
- 1108.0 Refrigeration Machinery Room Ventilation
- 1109.0 Refrigeration Machinery Room Equipment and Controls
- 1110.0 Refrigeration Piping, Containers, and Valves
- 1111.0 Erection of Refrigerant Piping
- 1112.0 Refrigerant Control Valves
- 1113.0 Pressure-Limiting Devices
- 1114.0 Pressure-Relief Devices
- 1115.0 Pressure-Relief Device Settings
- 1116.0 Marking of Pressure-Relief Devices
- 1117.0 Overpressure Protection
- 1118.0 Discharge Piping
- 1119.0 Special Discharge Requirements
- 1120.0 Ammonia Discharge
- 1121.0 Detection and Alarm Systems
- 1122.0 Emergency Pressure Control System
- 1123.0 Equipment Identification
- 1124.0 Testing of Refrigeration Equipment
- 1125.0 Maintenance and Operation
- 1126.0 Storage of Refrigerants and Refrigerant Oils
- 1127.0 General
- 1128.0 Support and Anchorage
- 1129.0 Drainage
- 1130.0 Chemical Treatment Systems
- 1131.0 Location
- 1132.0 Electrical
- 1133.0 Refrigerants and Hazardous Fluids
- Chapter 12 HYDRONICS
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- 1201.0 General
- 1202.0 Scope
- 1203.0 Installation
- 1204.0 Piping Materials
- 1205.0 Piping Joints
- 1206.0 Heat Sources
- 1207.0 Testing
- Chapter 13 FUEL GAS PIPING
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- 1301.0 Scope of Gas Piping
- 1302.0 General
- 1303.0 Inspection
- 1304.0 Certificate of Inspection
- 1305.0 Authority to Render Gas Service
- 1306.0 Authority to Disconnect
- 1307.0 Temporary Use of Gas
- 1308.0 Gas Piping System Design, Materials, and Components
- 1309.0 Excess Flow Valve
- 1310.0 Venting of Gas Appliance Pressure Regulators
- 1311.0 Gas Piping Installation
- 1312.0 Appliance Connections to Building Piping
- 1313.0 Appliance Overpressure Protection
- 1314.0 Safety Shutoff Devices for Unlisted LP-Gas Appliance Used Indoors
- 1315.0 Liquefied Petroleum Gas Facilities and Piping
- 1316.0 Pressure Testing and Inspection
- 1317.0 Interconnections BetweenGas Piping Systems
- 1318.0 Required Gas Supply
- 1319.0 Required Gas Piping Size
- 1320.0 Fuel Gas Piping Systems
- 1321.0 Gas Supply Connections
- 1322.0 Single and Multiple Manufactured Home Site Fuel Supply Systems
- 1323.0 Manufactured Home Site Gas Shutoff Valve
- 1324.0 Gas Meters
- 1325.0 Multiple Manufactured Home Site Fuel Distribution and Supply Systems
- 1326.0 Cathodic Protection Requirements
- 1327.0 Manufactured Home Community LPG Supply Systems
- 1328.0 Required Gas Supply
- 1329.0 Gas Pipe Sizing and Pressure
- 1330.0 Gas Piping Materials
- 1331.0 Gas Piping Installations
- 1332.0 Liquefied Petroleum Gas Appliances
- 1333.0 Oil Supply
- 1334.0 Fuel Supply Systems Installation
- 1335.0 Manufactured Home Accessory Building Fuel Supply Systems
- 1336.0 Community Building Fuel Supply Systems in Manufactured Home Communities
- Chapter 14 PROCESS PIPING
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- 1401.0 General
- 1402.0 Permit
- 1430.0 Plans Required
- 1404.0 Workmanship
- 1405.0 Inspections
- 1406.0 Piping and Tubing
- Chapter 15 SOLAR SYSTEMS
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- 1501.0 General
- Chapter 16 STATIONARY POWER PLANTS
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- 1601.0 Stationary Fuel Cell Power Plants
- 1602.0 Stationary Engine Generators
- Chapter 17 REFERENCED STANDARDS
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- 1701.0 General
- Appendices TOC
- Appendix A RESIDENTIAL PLAN EXAMINER REVIEW FORM FOR HVAC SYSTEM DESIGN
- Appendix B PROCEDURES TO BE FOLLOWED TO PLACE GAS EQUIPMENT IN OPERATION
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- B 1.0 Adjusting the Burner Input
- B 2.0 Primary Air Adjustment
- B 3.0 Safety Shutoff Devices
- B 4.0 Automatic Ignition
- B 5.0 Protective Devices
- B 6.0 Checking the Draft
- B 7.0 Operating Instructions
- Appendix C INSTALLATION AND TESTING OF OIL (LIQUID) FUEL-FIRED EQUIPMENT
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- C 1.0 General
- C 2.0 Definitions
- C 3.0 Standards and Accepted Practices
- C 4.0 Approval of Equipment
- C 5.0 Placing Equipment in Operation
- C 6.0 Pilot Operation
- C 7.0 Burner Operation
- C 8.0 Method of Test
- C 9.0 Special Requirements Based on Btu/h Input
- Appendix D UNIT CONVERSION TABLES
- Appendix E SUSTAINABLE PRACTICES
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- E 101.0 General
- E 201.0 Definitions
- E 301.0 General Regulations
- E 302.0 Disposal of Liquid Waste
- E 303.0 Abandonment
- E 401.0 Water Conservation and Efficiency
- E 402.0 Meters
- E 403.0 HVAC Water Use
- E 501.0 Heating, Ventilation and Air-Conditioning Systems and Equipment
- E 502.0 Heating, Ventilation, and Air-Conditioning Low-Rise Residential Buildings
- E 503.0 Heating, Ventilation, and Air-Conditioning - other than Low-Rise Residential Buildings
- E 601.0 Indoor Environment
- E 602.0 Fireplaces
- E 603.0 Pollutant Control
- E 604.0 Indoor Moisture Control
- E 605.0 Indoor Air Quality for Low-Rise Residential
- E 606.0 Indoor Air Quality for other than Low-Rise Residential Buildings
- E 607.0 Environmental Comfort
- E 608.0 Low VOC Solvent Cement and Primer
- E 701.0 Installer Qualifications
- E 702.0 Qualifications
- E 801.0 Heating, Ventilation, Air Conditioning Systems Commissioning
- E 802.0 Commissioning
- E 803.0 Commissioning Acceptance
- E 804.0 Commissioning Tests
- E 805.0 HVAC System Tests
- E 806.0 Certificate of Acceptance Forms
- Appendix E FORMS
- Appendix F SIZING OF VENTING SYSTEMS SERVING APPLIANCES EQUIPPED WITH DRAFT HOODS, CATEGORY I APPLIANCES, AND APPLIANCES LISTED FOR USE WITH TYPE B VENTS
[Go to Page]
- F 1.0 Examples Using Single Appliance Venting Tables
- F 2.0 Examples Using Common Venting Tables
- F 3.0 Example of Combination Indoor and Outdoor Combustion Air Opening
- Appendix G EXAMPLE CALCULATION OF OUTDOOR AIR RATE
- Index [Go to Page]