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CODES

Residential Code 2015 of Maryland

ADOPTS WITH AMENDMENTS:

International Residential Code 2015 (IRC 2015)

Part I — Administrative

Chapter 1 Scope and Administration

Part II — Definitions

Chapter 2 Definitions

Part III — Building Planning and Construction

Chapter 3 Building Planning

Chapter 4 Foundations

Chapter 5 Floors

Chapter 6 Wall Construction

Chapter 7 Wall Covering

Chapter 8 Roof-Ceiling Construction

Chapter 9 Roof Assemblies

Chapter 10 Chimneys and Fireplaces

Part IV — Energy Conservation

Chapter 11 [RE] Energy Efficiency

Part V — Mechanical

Chapter 12 Mechanical Administration

Chapter 12 Mechanical Administration

Chapter 13 General Mechanical System Requirements

Chapter 13 General Mechanical System Requirements

Chapter 14 Heating and Cooling Equipment and Appliances

Chapter 14 Heating and Cooling Equipment and Appliances

Chapter 15 Exhaust Systems

Chapter 15 Exhaust System

Chapter 16 Duct Systems

Chapter 16 Duct Systems

Chapter 17 Combustion Air

Chapter 17 Combustion Air

Chapter 18 Chimneys and Vents

Chapter 18 Chimneys and Vents

Chapter 19 Special Appliances, Equipment and Systems

Chapter 19 Special Appliances, Equipment and Systems

Chapter 20 Boilers and Water Heaters

Chapter 20 Boilers and Water Heaters

Chapter 21 Hydronic Piping

Chapter 21 Hydronic Piping

Chapter 22 Special Piping and Storage Systems

Chapter 22 Special Piping and Storage Systems

Chapter 23 Solar Thermal Energy Systems

Chapter 23 Solar Thermal Energy Systems

Part VI — Fuel Gas

Chapter 24 Fuel Gas

Chapter 24 Fuel Gas

Part VII — Plumbing

Chapter 25 Plumbing Administration

Chapter 25 Plumbing Administration

Chapter 26 General Plumbing Requirements

Chapter 26 General Plumbing Requirements

Chapter 27 Plumbing Fixtures

Chapter 27 Plumbing Fixtures

Chapter 28 Water Heaters

Chapter 28 Water Heaters

Chapter 29 Water Supply and Distribution

Chapter 29 Water Supply and Distribution

Chapter 30 Sanitary Drainage

Chapter 30 Sanitary Drainage

Chapter 31 Vents

Chapter 31 Vents

Chapter 32 Traps

Chapter 32 Traps

Chapter 33 Storm Drainage

Chapter 33 Storm Drainage

Part VIII — Electrical

Chapter 34 General Requirements

Chapter 34 General Requirements

Chapter 35 Electrical Definitions

Chapter 35 Electrical Definitions

Chapter 36 Services

Chapter 36 Services

Chapter 37 Branch Circuit and Feeder Requirements

Chapter 37 Branch Circuit and Feeder Requirements

Chapter 38 Wiring Methods

Chapter 38 Wiring Methods

Chapter 39 Power and Lighting Distribution

Chapter 39 Power and Lighting Distribution

Chapter 40 Devices and Luminaires

Chapter 40 Devices and Luminaries

Chapter 41 Appliance Installation

Chapter 41 Appliance Installation

Chapter 42 Swimming Pools

Chapter 42 Swimming Pools

Chapter 43 Class 2 Remote-Control, Signaling and Power-Limited Circuits

Chapter 43 Class 2 Remote-Control Signaling and Power-Limited Circuits

Part IX — Referenced Standards

Chapter 44 Referenced Standards

Appendix A Sizing and Capacities of Gas Piping

Appendix B Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, and Appliances Listed for Use With Type B Vents

Appendix C Exit Terminals of Mechanical Draft and Direct-Vent Venting Systems

Appendix D Recommended Procedure for Safety Inspection of an Existing Appliance Installation

Appendix E Manufactured Housing Used as Dwellings

Appendix F Radon Control Methods

Appendix G Piping Standards for Various Applications

Appendix H Patio Covers

Appendix I Private Sewage Disposal

Appendix J Existing Buildings and Structures

Appendix K Sound Transmission

Appendix L Permit Fees

Appendix M Home Day Care—R-3 Occupancy

Appendix N Venting Methods

Appendix O Automatic Vehicular Gates

Appendix P Sizing of Water Piping System

Appendix Q Reserved

Appendix R Light Straw-Clay Construction

Appendix S Strawbale Construction

Appendix T Recommended Procedure for Worst-Case Testing of Atmospheric Venting Systems Under N1102.4 or N1105 Conditions ≤ 5ACH₅₀

Appendix U Solar-Ready Provisions—Detached One- And Two-Family Dwellings, Multiple Single-Family Dwellings (Townhouses)

Heads up: There are no suggested sections in this chapter.

Heads up: There are no amended sections in this chapter.

Chapter 14 Heating and Cooling Equipment and Appliances

User note: Code change proposals to this chapter will be considered by the IRC — Plumbing and Mechanical Code Development Committee during the 2015 (Group A) Code Development Cycle.

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