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The portions of information copyrighted by or licensed to the International Code Council, Inc., have been obtained and reproduced with permission. The acronym ICC®, the ICC logo, 2009 Virginia Mechanical Code are federally protected trademarks and service marks of ICC. All other code titles are the trademarks and services marks of the International Code Council, Inc. ALL RIGHTS RESERVED. Without advance written permission from the International Code Council, Inc., no part of the International Code Council, Inc.'s copyrighted or licensed material may be reproduced, distributed or transmitted in any form of by any means, including, without limitation, electronic, optical or mechanical means (by way of example and not limitation, photocopying, printing, or recording by or in an information storage retrieval system). For information on permission to copy the International Code Council, Inc. materials, please contact: Publications, 4051 West Flossmoor Road, Country Club Hills, IL 60478. Phone 1-888-ICC-SAFE (422-7233). Show less...
Virginia Mechanical Code, 2009
- 2009 VIRGINIA MECHANICAL CODE
- 2009 VIRGINIA MECHANICAL CODE EXCERPTS FROM THE VIRGINIA CONSTRUCTION CODE FOR MECHANICAL WORK TITLE PAGE
- COPYRIGHT
- PREFACE
- TABLE OF CONTENTS
- CHAPTER 1 - ADMINISTRATION [Go to Page]
- SECTION 101 GENERAL
- SECTION 102 PURPOSE AND SCOPE
- SECTION 103 APPLICATION OF CODE
- SECTION 104 ENFORCEMENT, GENERALLY
- SECTION 105 LOCAL BUILDING DEPARTMENT
- SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
- SECTION 107 FEES
- SECTION 108 APPLICATION FOR PERMIT
- SECTION 109 CONSTRUCTION DOCUMENTS
- SECTION 110 PERMITS
- SECTION 111 RDP SERVICES
- SECTION 112 WORKMANSHIP, MATERIALS AND EQUIPMENT
- SECTION 113 INSPECTIONS
- SECTION 114 STOP WORK ORDERS
- SECTION 115 VIOLATIONS
- SECTION 116 CERTIFICATES OF OCCUPANCY
- SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
- SECTION 118 BUILDINGS AND STRUCTURES BECOMING UNSAFE DURING CONSTRUCTION
- SECTION 119 APPEALS
- CHAPTER 2 - DEFINITIONS [Go to Page]
- SECTION 201 GENERAL
- SECTION 202 GENERAL DEFINITIONS
- CHAPTER 3 - GENERAL REGULATIONS [Go to Page]
- SECTION 301 GENERAL
- SECTION 302 PROTECTION OF STRUCTURE
- SECTION 303 EQUIPMENT AND APPLIANCE LOCATION
- SECTION 304 INSTALLATION
- SECTION 305 PIPING SUPPORT [Go to Page]
- TABLE 305.4 PIPING SUPPORT SPACING
- SECTION 306 ACCESS AND SERVICE SPACE
- SECTION 307 CONDENSATE DISPOSAL [Go to Page]
- TABLE 307.2.2 CONDENSATE DRAIN SIZING
- SECTION 308 CLEARANCE REDUCTION [Go to Page]
- TABLE 308.6 CLEARANCE REDUCTION METHODS
- SECTION 309 TEMPERATURE CONTROL
- SECTION 310 EXPLOSION CONTROL
- SECTION 311 SMOKE AND HEAT VENTS
- SECTION 312 HEATING AND COOLING LOAD CALCULATIONS
- CHAPTER 4 - VENTILATION [Go to Page]
- SECTION 401 GENERAL [Go to Page]
- TABLE 401.5 OPENING SIZES IN LOUVERS, GRILLES AND SCREENS PROTECTING AIR IN TAKE OPENINGS
- SECTION 402 NATURAL VENTILATION
- SECTION 403 MECHANICAL VENTILATION [Go to Page]
- EQUATION 4-1
- TABLE 403.3 MINIMUM VENTILATION RATES [Go to Page]
- TABLE 403.3—continued MINIMUM VENTILATION RATES [Go to Page]
- TABLE 403.3—continued MINIMUM VENTILATION RATES
- TABLE 403.3.1.2 ZONE AIR DISTRIBUTION EFFECTIVENESS
- EQUATION 4-2
- EQUATION 4-3
- EQUATION 4-4
- EQUATION 4-5
- TABLE 403.3.2.3.2 SYSTEM VENTILATION EFFICIENCY
- EQUATION 4-6
- EQUATION 4-7
- EQUATION 4-8
- SECTION 404 ENCLOSED PARKING GARAGES
- SECTION 405 SYSTEMS CONTROL
- SECTION 406 VENTILATION OF UNINHABITED SPACES
- CHAPTER 5 - EXHAUST SYSTEMS [Go to Page]
- SECTION 501 GENERAL
- SECTION 502 REQUIRED SYSTEMS [Go to Page]
- EQUATION 5-1
- SECTION 503 MOTORS AND FANS
- SECTION 504 CLOTHES DRYER EXHAUST [Go to Page]
- TABLE 504.6.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
- SECTION 505 DOMESTIC KITCHEN EXHAUST EQUIPMENT
- SECTION 506 COMMERCIAL KITCHEN HOOD VENTILATION SYSTEM DUCTS AND EXHAUST EQUIPMENT
- SECTION 507 COMMERCIAL KITCHEN HOODS [Go to Page]
- TABLE 507.11 MINIMUM DISTANCE BETWEEN THE LOWEST EDGE OF A GREASE FILTER AND THE COOKING SURFACE OR THE HEATING SURFACE
- SECTION 508 COMMERCIAL KITCHEN MAKEUP AIR
- SECTION 509 FIRE SUPPRESSION SYSTEMS
- SECTION 510 HAZARDOUS EXHAUST SYSTEMS [Go to Page]
- TABLE 510.8 MINIMUM DUCT THICKNESS
- TABLE 510.8.2 CLEARANCE TO COMBUSTIBLES
- SECTION 511 DUST, STOCK AND REFUSE CONVEYING SYSTEMS [Go to Page]
- TABLE 511.2 CONSTRUCTION, CLEARANCE AND TERMINATION REQUIREMENTS FOR SINGLE-WALL METAL CHIMNEYS
- SECTION 512 SUBSLAB SOIL EXHAUST SYSTEMS
- SECTION 513 SMOKE CONTROL SYSTEMS [Go to Page]
- EQUATION 5-2
- EQUATION 5-3
- EQUATION 5-4
- SECTION 514 ENERGY RECOVERY VENTILATION SYSTEMS
- CHAPTER 6 - DUCT SYSTEMS [Go to Page]
- SECTION 601 GENERAL
- SECTION 602 PLENUMS
- SECTION 603 DUCT CONSTRUCTION AND INSTALLATION [Go to Page]
- TABLE 603.4 DUCT CONSTRUCTION MINIMUM SHEET METAL THICKNESSES FOR SINGLE DWELLING UNITS
- SECTION 604 INSULATION
- SECTION 605 AIR FILTERS
- SECTION 606 SMOKE DETECTION SYSTEMS CONTROL
- SECTION 607 DUCT AND TRANSFER OPENINGS [Go to Page]
- TABLE 607.3.2.1 FIRE DAMPER RATING
- CHAPTER 7 - COMBUSTION AIR [Go to Page]
- SECTION 701 GENERAL
- CHAPTER 8 - CHIMNEYS AND VENTS [Go to Page]
- SECTION 801 GENERAL
- SECTION 802 VENTS [Go to Page]
- TABLE 802.2 VENT APPLICATION
- SECTION 803 CONNECTORS [Go to Page]
- TABLE 803.9(1) MINIMUM CHIMNEY CONNECTOR THICKNESS FOR LOW-HEAT APPLIANCES
- TABLE 803.9(2) MINIMUM CHIMNEY CONNECTOR THICKNESS FOR MEDIUM- AND HIGH-HEAT APPLIANCES
- TABLE 803.10.4 CHIMNEY CONNECTOR SYSTEMS AND CLEARANCES TO COMBUSTIBLE WALL MATERIALS FOR DOMESTIC HEATING APPLIANCES
- TABLE 803.10.6 CONNECTOR CLEARANCES TO COMBUSTIBLES
- SECTION 804 DIRECT-VENT, INTEGRAL VENT AND MECHANICAL DRAFT SYSTEMS
- SECTION 805 FACTORY-BUILT CHIMNEYS
- SECTION 806 METAL CHIMNEYS
- CHAPTER 9 - SPECIFIC APPLIANCES, FIREPLACES AND SOLID FUEL-BURNING EQUIPMENT [Go to Page]
- SECTION 901 GENERAL
- SECTION 902 MASONRY FIREPLACES
- SECTION 903 FACTORY-BUILT FIREPLACES
- SECTION 904 PELLET FUEL-BURNING APPLIANCES
- SECTION 905 FIREPLACE STOVES AND ROOM HEATERS
- SECTION 906 FACTORY-BUILT BARBECUE APPLIANCES
- SECTION 907 INCINERATORS AND CREMATORIES
- SECTION 908 COOLING TOWERS, EVAPORATIVE CONDENSERS AND FLUID COOLERS
- SECTION 909 VENTED WALL FURNACES
- SECTION 910 FLOOR FURNACES
- SECTION 911 DUCT FURNACES
- SECTION 912 INFRARED RADIANT HEATERS
- SECTION 913 CLOTHES DRYERS
- SECTION 914 SAUNA HEATERS
- SECTION 915 ENGINE AND GAS TURBINE-POWERED EQUIPMENT AND APPLIANCES
- SECTION 916 POOL AND SPA HEATERS
- SECTION 917 COOKING APPLIANCES
- SECTION 918 FORCED-AIR WARM-AIR FURNACES
- SECTION 919 CONVERSION BURNERS
- SECTION 920 UNIT HEATERS
- SECTION 921 VENTED ROOM HEATERS
- SECTION 922 KEROSENE AND OIL-FIRED STOVES
- SECTION 923 SMALL CERAMIC KILNS
- SECTION 924 STATIONARY FUEL CELL POWER SYSTEMS
- SECTION 925 MASONRY HEATERS
- SECTION 926 GASEOUS HYDROGEN SYSTEMS
- SECTION 927 HEAT RECOVERY VENTILATORS
- CHAPTER 10 - BOILERS, WATER HEATERS AND PRESSURE VESSELS [Go to Page]
- SECTION 1001 GENERAL
- SECTION 1002 WATER HEATERS
- SECTION 1003 PRESSURE VESSELS
- SECTION 1004 BOILERS
- SECTION 1005 BOILER CONNECTIONS
- SECTION 1006 SAFETY AND PRESSURE RELIEF VALVES AND CONTROLS
- SECTION 1007 BOILER LOW-WATER CUTOFF
- SECTION 1008 STEAM BLOWOFF VALVE
- SECTION 1009 HOT WATER BOILER EXPANSION TANK [Go to Page]
- EQUATION 10-1
- SECTION 1010 GAUGES
- SECTION 1011 TESTS
- CHAPTER 11 - REFRIGERATION [Go to Page]
- SECTION 1101 GENERAL
- SECTION 1102 SYSTEM REQUIREMENTS
- SECTION 1103 REFRIGERATION SYSTEM CLASSIFICATION [Go to Page]
- TABLE 1103.1 REFRIGERANT CLASSIFICATION, AMOUNT AND OEL [Go to Page]
- TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL [Go to Page]
- TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL [Go to Page]
- TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL
- SECTION 1104 SYSTEM APPLICATION REQUIREMENTS [Go to Page]
- TABLE 1104.3.2 MAXIMUM PERMISSIBLE QUANTITIES OF REFRIGERANTS
- SECTION 1105 MACHINERY ROOM, GENERAL REQUIREMENTS [Go to Page]
- EQUATION 11-1
- EQUATION 11-2
- SECTION 1106 MACHINERY ROOM, SPECIAL REQUIREMENTS
- SECTION 1107 REFRIGERANT PIPING
- SECTION 1108 FIELD TEST
- SECTION 1109 PERIODIC TESTING
- CHAPTER 12 - HYDRONIC PIPING [Go to Page]
- SECTION 1201 GENERAL
- SECTION 1202 MATERIAL [Go to Page]
- TABLE 1202.4 HYDRONIC PIPE [Go to Page]
- TABLE 1202.4—continued HYDRONIC PIPE
- TABLE 1202.5 HYDRONIC PIPE FITTINGS
- SECTION 1203 JOINTS AND CONNECTIONS
- SECTION 1204 PIPE INSULATION
- SECTION 1205 VALVES
- SECTION 1206 PIPING INSTALLATION
- SECTION 1207 TRANSFER FLUID
- SECTION 1208 TESTS
- SECTION 1209 EMBEDDED PIPING
- CHAPTER 13 - FUEL OIL PIPING AND STORAGE [Go to Page]
- SECTION 1301 GENERAL
- SECTION 1302 MATERIAL [Go to Page]
- TABLE 1302.3 FUEL OIL PIPING
- SECTION 1303 JOINTS AND CONNECTIONS
- SECTION 1304 PIPING SUPPORT
- SECTION 1305 FUEL OIL SYSTEM INSTALLATION
- SECTION 1306 OIL GAUGING
- SECTION 1307 FUEL OIL VALVES
- SECTION 1308 TESTING
- CHAPTER 14 - SOLAR SYSTEMS [Go to Page]
- SECTION 1401 GENERAL
- SECTION 1402 INSTALLATION
- SECTION 1403 HEAT TRANSFER FLUIDS
- SECTION 1404 MATERIALS
- CHAPTER 15 - REFERENCED STANDARDS [Go to Page]
- ACCA
- AHRI
- ANSI
- ASHRAE
- ASME
- ASSE
- ASTM
- AWS
- AWWA
- CSA
- DOL
- FS
- ICC
- IIAR
- MSS
- NAIMA
- NFPA
- SMACNA
- UL
- APPENDIX A COMBUSTION AIR OPENINGS AND CHIMNEY CONNECTOR PASS-THROUGHS [Go to Page]
- FIGURE A-1 ALL AIR FROM INSIDE THE BUILDING
- FIGURE A-2 ALL AIR FROM OUTDOORS—INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC
- FIGURE A-3 ALL AIR FROM OUTDOORS THROUGH VENTILATED ATTIC
- FIGURE A-4 ALL AIR FROM OUTDOORS THROUGH HORIZONTAL DUCTS OR DIRECT OPENINGS
- FIGURE A-5 CHIMNEY CONNECTOR SYSTEMS [Go to Page]
- FIGURE A-5—continued CHIMNEY CONNECTOR SYSTEMS
- APPENDIX B RECOMMENDED PERMIT FEE SCHEDULE [Go to Page]
- B101 MECHANICAL WORK, OTHER THAN GAS PIPING SYSTEMS
- B102 FEE FOR REINSPECTION
- B103 TEMPORARY OPERATION INSPECTION FEE
- B104 SELF-CONTAINED UNITS LESS THAN 2 TONS
- INDEX
- ICC-ES PMG PROGRAM
- INCREASE YOUR CODE KNOWLEDGE
- HELPFUL LINKS [Go to Page]
- ICC WEBSITE
- ICC PRODUCT STORE
- IMMEDIATE DOWNLOADS 24/7 AT THE ECODES STORE
- ICC EVALUATION SERVICE - EVALUATION REPORTS OF PRODUCTS [Go to Page]