Adopts With Amendments
Chapter 33
Interior Environment
International Residential Code 2021
[F] 3301 General
Section 3301 — General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 3301.1 Scope
Section 3301.1 — Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 3301.1.1 Scope of Storm Drainage
Section 3301.1.1 — Scope of Storm Drainage. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 3301.1.2 Roof Drain Sizing
Section 3301.1.2 — Roof Drain Sizing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3301.1.3 Gutter Sizing
Section 3301.1.3 — Gutter Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 3301.2 Roof Drains
Section 3301.2 — Roof Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3301.2.1 Storm Drainage Scope
Section 3301.2.1 — Storm Drainage Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 3302 Roof Drains
Section 3302 — Roof Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3302.1 Roof Drainage
Section 3302.1 — Roof Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3302.1.1 Storm Pipe Materials IRC
Section 3302.1.1 — Storm Pipe Materials IRC. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3302.2 Storm drain sizing
Section 3302.2 — Storm drain sizing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3302.3 Gutters and downspouts
Section 3302.3 — Gutters and downspouts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 3303 Sizing of Storm Drainage Piping
Section 3303 — Sizing of Storm Drainage Piping. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3303.1 Gutters and Downspouts
Section 3303.1 — Gutters and Downspouts. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 3303.1.1 Roof Drain Sizing
Section 3303.1.1 — Roof Drain Sizing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3303.2 Sump pit
Section 3303.2 — Sump pit. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 3304.1 Roof Drainage
Section 3304.1 — Roof Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3305 Subsoil Drains
Section 3305 — Subsoil Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 3305.1 Secondary Drainage
Section 3305.1 — Secondary Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] E3301.2 Branch Circuit General
Section E3301.2 — Branch Circuit General. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] E3302.2 Kitchen Circuits
Section E3302.2 — Kitchen Circuits. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] E3302.3 Bathroom Circuits
Section E3302.3 — Bathroom Circuits. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] E3302.4 Laundry Circuit
Section E3302.4 — Laundry Circuit. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] E3303.1 AFCI Protection
Section E3303.1 — AFCI Protection. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] E3303.2 GFCI Protection
Section E3303.2 — GFCI Protection. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] E3304.1 Required Receptacles
Section E3304.1 — Required Receptacles. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] E3304.2 Kitchen Counter Receptacles
Section E3304.2 — Kitchen Counter Receptacles. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] E3305.1 Smoke Alarm Circuits
Section E3305.1 — Smoke Alarm Circuits. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] E4301.1 General Class 2 Circuits
Section E4301.1 — General Class 2 Circuits. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] P2701.2 Fixture standards
Section P2701.2 — Fixture standards. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2702.1 Fixture Clearance
Section P2702.1 — Fixture Clearance. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2702.2 Fixture setting
Section P2702.2 — Fixture setting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2703.1 Tail Piece
Section P2703.1 — Tail Piece. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2705.2 Installation of fixtures
Section P2705.2 — Installation of fixtures. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2706.2 Waste receptor
Section P2706.2 — Waste receptor. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2708.2 Shower compartment dimensions
Section P2708.2 — Shower compartment dimensions. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2709.1 Shower Receptor
Section P2709.1 — Shower Receptor. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2709.2 Shower Drain
Section P2709.2 — Shower Drain. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P2710.1 Sink Installation
Section P2710.1 — Sink Installation. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P2711.1 Water Closet Installation
Section P2711.1 — Water Closet Installation. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P2711.2 Water Closet Clearance
Section P2711.2 — Water Closet Clearance. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3201.1 Traps Scope
Section P3201.1 — Traps Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] P3201.2 Trap Required
Section P3201.2 — Trap Required. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3201.5 Size of Fixture Traps
Section P3201.5 — Size of Fixture Traps. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3301.1 IRC Storm Drainage
Section P3301.1 — IRC Storm Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3301.1.1 Storm Drainage Design
Section P3301.1.1 — Storm Drainage Design. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3301.2 Storm Drainage System Design
Section P3301.2 — Storm Drainage System Design. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3302.1 Storm Water Disposal
Section P3302.1 — Storm Water Disposal. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3302.2 Storm Drainage Pipe Sizing
Section P3302.2 — Storm Drainage Pipe Sizing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3302.3 Roof Drain Flow Rate
Section P3302.3 — Roof Drain Flow Rate. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3303.1 Gutters and Leaders
Section P3303.1 — Gutters and Leaders. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3303.2 Minimum Pipe Size
Section P3303.2 — Minimum Pipe Size. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3303.3 Vertical Leader Sizing
Section P3303.3 — Vertical Leader Sizing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3303.4 Horizontal Pipe Sizing
Section P3303.4 — Horizontal Pipe Sizing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3303.5 Rainfall Rate
Section P3303.5 — Rainfall Rate. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3304.1 Materials
Section P3304.1 — Materials. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] P3304.2 Building Storm Sewer Pipe
Section P3304.2 — Building Storm Sewer Pipe. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3305.1 Cleanouts Required
Section P3305.1 — Cleanouts Required. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3305.2 Cleanout Spacing
Section P3305.2 — Cleanout Spacing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] P3306.1 Secondary Drainage
Section P3306.1 — Secondary Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3306.2 Secondary Drain Size
Section P3306.2 — Secondary Drain Size. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3307.1 Subsoil Drains
Section P3307.1 — Subsoil Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3307.2 Subsoil Drain Slope
Section P3307.2 — Subsoil Drain Slope. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3307.3 Subsoil Drain Discharge
Section P3307.3 — Subsoil Drain Discharge. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3308.1 Traps on Storm Drains
Section P3308.1 — Traps on Storm Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] P3401.1 General Regulations Plumbing
Section P3401.1 — General Regulations Plumbing. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] R1001.1.1 Storm Shelter Requirements
Section R1001.1.1 — Storm Shelter Requirements. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R3301.1 Storm Drainage General
Section R3301.1 — Storm Drainage General. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] R3301.2 Roof Drainage
Section R3301.2 — Roof Drainage. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] R3301.3 Occupancy
Section R3301.3 — Occupancy. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] R3301.4 Debris Impact
Section R3301.4 — Debris Impact. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] R3302.1 Rain Leaders and Conductors
Section R3302.1 — Rain Leaders and Conductors. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R3302.2 Building Storm Drains
Section R3302.2 — Building Storm Drains. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.