CHAPTER 4-06
2018 INTERNATIONAL PLUMBING CODE

Sections:

4-06-001-0001    AMENDMENTS, ADDITIONS, AND DELETIONS

4-06-001-0001 AMENDMENTS, ADDITIONS, AND DELETIONS

The following provisions shall have the effect of either amending, adding to, or deleting from the 2018 International Plumbing Code (IPC) adopted in Flagstaff City Code, Title 4, Building Regulations, Chapter 4-01, Administrative Enactments, Section 4-01-001-0002, Adoption of Model Codes.

CHAPTER 1, SCOPE AND ADMINISTRATION

Section 106, Fees

Amend 2018 IPC 106.6.2, Fee schedule, by deleting and replacing with:

The fees for all plumbing work shall be in accordance with 2018 IBC 109.2, as adopted and amended by the City of Flagstaff.

Amend 2018 IPC 106.6.3, Fee refunds, by deleting and replacing with:

Refunds shall be in accordance with 2018 IBC 109.6, as adopted and amended by the City of Flagstaff.

Section 109, Means of Appeal

Amend 2018 IPC 109.1, Application for appeal, by deleting and replacing with:

In order to hear and decide appeals of orders, decisions or determinations made by the Building Official relative to the application and interpretation of this code, there shall be and is hereby created a Building and Fire Code Board of Appeals per Flagstaff City Code, Title 2, Boards and Commissions.

Amend 2018 IPC Sections 109.2 through 109.7 by deleting in their entirety.

CHAPTER 3, GENERAL REGULATIONS

Section 301, General

Amend 2018 IPC 301.7, Conflicts, by deleting and replacing with:

Where conflicts between this Code and the conditions of the listing or the manufacturer’s installation instructions occur, the listing or manufacturer’s installation requirements shall apply.

Section 305, Protection of Pipes and Plumbing System Components

Amend 2018 IPC 305.4, Freezing, by revising the last sentence to read:

Exterior water supply piping shall be installed not less than thirty (30) inches below grade.

Amend 2018 IPC 305.4.1, Sewer depth, by deleting and replacing with:

Building sewers that connect to private sewage disposal systems shall be approved by Coconino County Environmental Quality prior to installation. Building sewers that connect to City-provided sewer shall be a minimum of twelve (12) inches below grade.

Section 312, Tests and Inspections

Amend 2018 IPC 312.1, Required tests, by replacing the fourth sentence with:

All plumbing system piping shall be tested with either water or air.

Amend 2018 IPC 312.3, Drainage and vent air test, by deleting the first sentence.

Amend 2018 IPC 312.4, Drainage and vent fina1 test, by de1eting in its entirety.

Amend 2018 IPC 312.6, Gravity and sewer test, by de1eting in its entirety.

Amend 2018 IPC 312.7, Forced sewer test, by de1eting in its entirety.

CHAPTER 6, WATER SUPPLY AND DISTRIBUTION

Section 604, Design of Bui1ding Water Distribution System

Amend 2018 IPC Tab1e 604.4, Maximum f1ow rates and consumption for p1umbing fixtures and fixture fittings, by revising the fo11owing va1ues:

Maximum Flow Rate or Quantity for a Urinal to 1 pint.

Maximum Flow Rate or Quantity for a Water Closet to 1.3 gallons.

Dual-flush toilets: The effective flush volume shall not exceed 1.28 gallons (4.8 liters). The effective flush volume is the average flush volume of two reduced flushes and one full flush. Flush volumes shall be tested in accordance with ASME A112.19.2/CSA B45.1 and ASME A112.19.14.

CHAPTER 7, SANITARY DRAINAGE

Section 703, Bui1ding Sewer

Amend 2018 IPC 703, Bui1ding sewer, by adding Section 703.7, Bui1ding sewer 1ocating means:

703.7 Building Sewer Locating Means. All non-metallic building sewer piping shall be installed with a plastic covered No. 12 AWG Type UF 600V tracer wire taped to the top of the piping with a minimum 10 mil tape. The building sewer tracer wire shall be green in color.

CHAPTER 9, VENTS

Section 903, Vent Termina1s

Amend 2018 IPC 903.1, Roof termination, as fo11ows:

Replace "[NUMBER OF INCHES]" with "twelve (12)".

(Ord. 2019-16, Amended, 06/18/2019)