Adopts With Amendments
Chapter 11
Storm Drainage
International Plumbing Code 2021
[F] 1101 General Storm Drainage
Section 1101 — General 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] 1101.1 Storm Drainage Scope
Section 1101.1 — 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] 1101.1.1 Storm Drainage General
Section 1101.1.1 — 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] 1101.1.2 Roof Drain Design
Section 1101.1.2 — Roof Drain 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] 1101.2 Where Required - Storm Drainage
Section 1101.2 — Where Required - 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] 1101.2.1 Storm Drainage Scope
Section 1101.2.1 — 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] 1101.3 Storm Drainage Where Required
Section 1101.3 — Storm Drainage Where Required. 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] 1101.4 Roof Drain Sizing
Section 1101.4 — 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] 1101.5 Roof Drains
Section 1101.5 — 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] 1102 Materials for Storm Drainage
Section 1102 — Materials for 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] 1102.1 Storm Drainage Materials
Section 1102.1 — Storm Drainage Materials. 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] 1102.1.1 Storm Pipe Materials
Section 1102.1.1 — Storm Pipe Materials. 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] 1102.2 Underground Building Storm Drain
Section 1102.2 — Underground Building Storm 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] 1102.2.1 Overflow Drains
Section 1102.2.1 — Overflow 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] 1102.3 Roof Drain Screens
Section 1102.3 — Roof Drain Screens. 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] 1102.4 Materials - Storm Drainage Underground
Section 1102.4 — Materials - Storm Drainage Underground. 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] 1103 Sizing Storm Drainage Systems
Section 1103 — Sizing Storm Drainage Systems. 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] 1103.1 Roof Drains
Section 1103.1 — 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] 1103.1.1 Storm Drain Pipe Sizing
Section 1103.1.1 — Storm Drain 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] 1103.2 Roof Drain Size
Section 1103.2 — Roof 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] 1103.2.1 Horizontal Pipe Sizing
Section 1103.2.1 — 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] 1103.3 Horizontal Storm Piping
Section 1103.3 — Horizontal Storm Piping. 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] 1104 Roof Drains
Section 1104 — 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] 1104.1 Vertical Leaders and Conductors
Section 1104.1 — Vertical 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] 1104.1.1 Secondary Roof Drainage
Section 1104.1.1 — Secondary 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] 1104.2 Siphonic Drainage
Section 1104.2 — Siphonic 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] 1104.3 Building Storm Sewer Sizing
Section 1104.3 — Building Storm Sewer 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] 1105.1 Storm Drainage - Secondary Drainage
Section 1105.1 — Storm Drainage - 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] 1105.1.1 Combined Storm and Sanitary
Section 1105.1.1 — Combined Storm and Sanitary. 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] 1105.2 Separate System
Section 1105.2 — Separate System. 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] 1106.1 Secondary Drainage
Section 1106.1 — 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] 1106.1.1 Controlled Flow Roof Drainage
Section 1106.1.1 — Controlled Flow 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] 1106.2 Sump and Ejector Systems
Section 1106.2 — Sump and Ejector Systems. 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] 1106.3 Building Storm Drains and Sewers
Section 1106.3 — Building Storm Drains and Sewers. 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] 1106.6 Combined Storm and Sanitary
Section 1106.6 — Combined Storm and Sanitary. 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] 1107.1 Sump and Pumped Drainage
Section 1107.1 — Sump and Pumped 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] 1108.1 Combined Storm and Sanitary
Section 1108.1 — Combined Storm and Sanitary. 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] 1108.2 Scuppers
Section 1108.2 — Scuppers. 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.