ADOPTS WITH AMENDMENTS:

International Residential Code 2015 (IRC 2015)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

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

N1101.1 Scope

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N1101.1 General

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Buildings regulated by this code shall comply with the Energy Conservation Code-Residential Provisions.

N1101.2 (R101.3) Intent

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N1101.3 (R101.5.1) Compliance Materials

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N1101.4 (R102.1.1) Above Code Programs

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N1101.5 (R103.2) Information on Construction Documents

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N1101.5.1 (R103.2.1) Thermal Envelope Depiction

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N1101.6 (R202) Defined Terms

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N1101.7 (R301.1) Climate Zones

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N1101.7.1 (R301.2) Warm Humid Counties

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N1101.7.2 (R301.3) International Climate Zones

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N1101.8 (R301.4) Tropical Climate Zone

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N1101.9 (R302.1) Interior Design Conditions

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N1101.10 (R303.1) Identification

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N1101.10.1 (R303.1.1) Building Thermal Envelope Insulation

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N1101.10.1.1 (R303.1.1.1) Blown or Sprayed Roof/Ceiling Insulation

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N1101.10.2 (R303.1.2) Insulation Mark Installation

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N1101.10.3 (R303.1.3) Fenestration Product Rating

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N1101.10.4 (R303.1.4) Insulation Product Rating

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N1101.10.4.1 (R303.1.4.1) Insulated Siding

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N1101.11 (R303.2) Installation

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N1101.11.1 (R303.2.1) Protection of Exposed Foundation Insulation

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N1101.12 (R303.3) Maintenance Information

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N1101.13 (R401.2) Compliance

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N1101.13.1 (R401.2.1) Tropical Zone

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N1101.14 (R401.3) Certificate (Mandatory)

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Section N1102 (R402) Building Thermal Envelope

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N1102.1 (R402.1) General (Prescriptive)

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N1102.1.1 (R402.1.1) Vapor Retarder

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N1102.1.2 (R402.1.2) Insulation and Fenestration Criteria

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N1102.1.3 (R402.1.3) R-Value Computation

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N1102.1.4 (R402.1.4) U-factor Alternative

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N1102.1.5 (R402.1.5) Total UA Alternative

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N1102.2 (R402.2) Specific Insulation Requirements (Prescriptive)

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N1102.2.1 (R402.2.1) Ceilings With Attic Spaces

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N1102.2.2 (R402.2.2) Ceilings Without Attic Spaces

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N1102.2.3 (R402.2.3) Eave Baffle

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N1102.2.4 (R402.2.4) Access Hatches and Doors

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N1102.2.5 (R402.2.5) Mass Walls

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N1102.2.6 (R402.2.6) Steel-Frame Ceilings, Walls, and Floors

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N1102.2.7 (R402.2.7) Walls With Partial Structural Sheathing

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N1102.2.8 (R402.2.8) Floors

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N1102.2.9 (R402.2.9) Basement Walls

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N1102.2.10 (R402.2.10) Slab-On-Grade Floors

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N1102.2.11 (R402.2.11) Crawl Space Walls

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N1102.2.12 (R402.2.12) Masonry Veneer

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N1102.2.13 (R402.2.13) Sunroom Insulation

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N1102.3 (R402.3) Fenestration (Prescriptive)

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N1102.3.1 (R402.3.1) U-factor

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N1102.3.2 (R402.3.2) Glazed Fenestration SHGC

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N1102.3.3 (R402.3.3) Glazed Fenestration Exemption

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N1102.3.4 (R402.3.4) Opaque Door Exemption

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N1102.3.5 (R402.3.5) Sunroom Fenestration

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N1102.4 (R402.4) Air Leakage (Mandatory)

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N1102.4.1 (R402.4.1) Building Thermal Envelope

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N1102.4.1.1 (R402.4.1.1) Installation

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N1102.4.1.2 (R402.4.1.2) Testing

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N1102.4.2 (R402.4.2) Fireplaces

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N1102.4.3 (R402.4.3) Fenestration Air Leakage

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N1102.4.4 (R402.4.4) Rooms Containing Fuel-Burning Appliances

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N1102.4.5 (R402.4.5) Recessed Lighting

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N1102.5 (R402.5) Maximum Fenestration U-factor and SHGC (Mandatory)

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Section N1103 (R403) Systems

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N1103.1 (R403.1) Controls (Mandatory)

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N1103.1.1 (R403.1.1) Programmable Thermostat

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N1103.1.2 (R403.1.2) Heat Pump Supplementary Heat (Mandatory)

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N1103.2 (R403.2) Hot Water Boiler Outdoor Temperature Setback

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N1103.3 (R403.3) Ducts

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N1103.3.1 (R403.3.1) Insulation (Prescriptive)

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N1103.3.2 (R403.3.2) Sealing (Mandatory)

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N1103.3.2.1 (R403.3.2.1) Sealed Air Handler

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N1103.3.3 (R403.3.3) Duct Testing (Mandatory)

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N1103.3.4 (R403.3.4) Duct Leakage (Prescriptive)

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N1103.3.5 (R403.3.5) Building Cavities (Mandatory)

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N1103.4 (R403.4) Mechanical System Piping Insulation (Mandatory)

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N1103.4.1 (R403.4.1) Protection of Piping Insulation

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N1103.5 (R403.5) Service Hot Water Systems

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N1103.5.1 (R403.5.1) Heated Water Circulation and Temperature Maintenance Systems (Mandatory)

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N1103.5.1.1 (R403.5.1.1) Circulation Systems

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N1103.5.1.2 (R403.5.1.2) Heat Trace Systems

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N1103.5.2 (R403.5.2) Demand Recirculation Systems

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N1103.5.3 (R403.5.3) Hot Water Pipe Insulation (Prescriptive)

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N1103.5.4 (R403.5.4) Drain Water Heat Recovery Units

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N1103.6 (R403.6) Mechanical Ventilation (Mandatory)

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N1103.6.1 (R403.6.1) Whole-House Mechanical Ventilation System Fan Efficacy

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N1103.7 (R403.7) Equipment Sizing and Efficiency Rating (Mandatory)

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N1103.8 (R403.8) Systems Serving Multiple Dwelling Units (Mandatory)

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N1103.9 (R403.9) Snow Melt System Controls (Mandatory)

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N1103.10 (R403.10) Pools and Permanent Spa Energy Consumption (Mandatory)

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N1103.10.1 (R403.10.1) Heaters

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N1103.10.2 (R403.10.2) Time Switches

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N1103.10.3 (R403.10.3) Covers

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N1103.11 (R403.11) Portable Spas (Mandatory)

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N1103.12 (R403.12) Residential Pools and Permanent Residential Spas

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Section N1104 (R404) Electrical Power and Lighting Systems (Mandatory)

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N1104.1 (R404.1) Lighting Equipment (Mandatory)

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N1104.1.1 (R404.1.1) Lighting Equipment (Mandatory)

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Section N1105 (R405) Simulated Performance Alternative (Performance)

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N1105.1 (R405.1) Scope

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N1105.2 (R405.2) Mandatory Requirements

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N1105.3 (R405.3) Performance-Based Compliance

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N1105.4 (R405.4) Documentation

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N1105.4.1 (R405.4.1) Compliance Software Tools

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N1105.4.2 (R405.4.2) Compliance Report

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N1105.4.2.1 (R405.4.2.1) Compliance Report for Permit Application

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N1105.4.2.2 (R405.4.2.2) Compliance Report for Certificate of Occupancy

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N1105.4.3 (R405.4.3) Additional Documentation

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N1105.5 (R405.5) Calculation Procedure

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N1105.5.1 (R405.5.1) General

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N1105.5.2 (R405.5.2) Residence Specifications

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N1105.6 (R405.6) Calculation Software Tools

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N1105.6.1 (R405.6.1) Minimum Capabilities

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N1105.6.2 (R405.6.2) Specific Approval

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N1105.6.3 (R405.6.3) Input Values

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Section N1106 (R406) Energy Rating Index Compliance Alternative

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N1106.1 (R406.1) Scope

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N1106.2 (R406.2) Mandatory Requirements

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N1106.3 (R406.3) Energy Rating Index

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N1106.3.1 (R406.3.1) ERI Reference Design

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N1106.4 (R406.4) ERI-Based Compliance

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N1106.5 (R406.5) Verification by Approved Agency

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N1106.6 (R406.6) Documentation

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N1106.6.1 (R406.6.1) Compliance Software Tools

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N1106.6.2 (R406.6.2) Compliance Report

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N1106.6.3 (R406.6.3) Additional Documentation

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N1106.7 (R406.7) Calculation Software Tools

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N1106.7.1 (R406.7.1) Minimum Capabilities

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N1106.7.2 (406.7.2) Specific Approval

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N1106.7.3 (R406.7.3) Input Values

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Section N1107 (R501) Existing Buildings — General

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N1107.1 (R501.1) Scope

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N1107.1.1 (R501.1.1) Additions, Alterations, or Repairs: General

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N1107.2 (R501.2) Existing Buildings

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N1107.3 (R501.3) Maintenance

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N1107.4 (R501.4) Compliance

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N1107.5 (R501.5) New and Replacement Materials

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N1107.6 (R501.6) Historic Buildings

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Section N1108 (R502) Additions

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N1108.1 (R502.1) General

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N1108.1.1 (R502.1.1) Prescriptive Compliance

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N1108.1.1.1 (R502.1.1.1) Building Envelope

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N1108.1.1.2 (R502.1.1.2) Heating and Cooling Systems

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N1108.1.1.3 (R502.1.1.3) Service Hot Water Systems

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N1108.1.1.4 (R502.1.1.4) Lighting

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N1108.1.2 (R502.1.2) Existing Plus Addition Compliance (Simulated Performance Alternative)

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Section N1109 (R503) Alterations

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N1109.1 (R503.1) General

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N1109.1.1 (R503.1.1) Building Envelope

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N1109.1.1.1 (R503.1.1.1) Replacement Fenestration

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N1109.1.2 (R503.1.2) Heating and Cooling Systems

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N1109.1.3 (R503.1.3) Service Hot Water Systems

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N1109.1.4 (R503.1.4) Lighting

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N1109.2 (R503.2) Change in Space Conditioning

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Section N1110 (R504) Repairs

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N1110.1 (R504.1) General

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N1110.2 (R504.2) Application

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Section N1111 (R505) Change of Occupancy or Use

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N1111.1 (R505.1) General

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N1111.2 (R505.2) General

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