Okla. Admin. Code § 748:20-6-32

Current through Vol. 42, No. 3, October 15, 2024

Section 748:20-6-32 - IRC[®] 2018 Chapter 27 Plumbing Fixtures

Chapter 27 of the IRC® 2018 is adopted with the following modifications:

(1) Section P2705.1 General. This section has been modified to add a ninth requirement for fixtures to conform to that specifies vanity countertops are permitted to extend a specific length into the water closet floor space. This section has been modified to read: P2705.1 General. The installation of fixtures shall conform to the following:

(A) Item 1: Floor-outlet or floor-mounted fixtures shall be secured to the drainage connection and to the floor, where so designed, by screws, bolts, washers, nuts and similar fasteners of copper, copper alloy, or other corrosion-resistant material.

(B) Item 2: Wall-hung fixtures shall be rigidly supported so that the strain is not transmitted to the plumbing system.

(C) Item 3: Where fixtures come into contact with walls and floors, the contact area shall be watertight.

(D) Item 4: Plumbing fixtures shall be usable.

(E) Item 5: Water closets, lavatories, and bidets. A water closet lavatory or bidet shall not be set closer than 15 inches (381 mm) from its center to any side wall, partition or vanity or closer than 30 inches (762 mm) center-to-center between adjacent fixtures. There shall be a clearance of not less than 21 inches (533 mm) in front of a water closet, lavatory or bidet to any wall, fixture, or door.

(F) Item 6: The location of piping, fixtures or equipment shall not interfere with the operation of windows or doors.

(G) Item 7: In flood hazard areas as established by Table R301.2(1), plumbing fixtures shall be located or installed in accordance with Section R322.1.6.

(H) Item 8: Integral fixture-fitting mounting surfaces on manufactured plumbing fixtures or plumbing fixtures constructed on site, shall meet the design requirements of ASME A112.19.1/CSA B41.1 or ASME A112.19.3/CSA B45.4.

(I) Item 9: Vanity countertops shall be permitted to extend a maximum of 1.5 inches (38.1 mm) into the water closet floor space.

(2) Section P2709.2 Lining required. This section has been modified to clarify it is only effective where required and to change the distance the lining material must extend from 2 inches to 3 inches (51 mm to 76 mm). This section has been modified to read: P2709.2 Lining required.

(A) Where required, the adjoining walls and floor framing enclosed on-site built-up shower receptors shall be lined with one of the following materials:

(i) Item 1: Sheet lead.

(ii) Item 2: Sheet copper.

(iii) Item 3: Plastic liner material complies with ASTM D 4068 or ASTM D 4551.(iv) Item 4: Hot mopping in accordance with Section P2709.2.3.

(v) Item 5: Sheet-applied load bearing, bonded waterproof membranes that comply with ANSI A118.10.

(B) The lining material shall extend not less than 3 inches (76 mm) beyond or around the rough jambs and not less than 3 inches (76 mm) above finished thresholds. Sheet-applied load bearing, bonded waterproof membranes shall be applied in accordance with the manufacturer's installation instructions.

(3) Section P2715.1 Laundry tray waste outlet. This section has been modified to replace the word "tub" with the word "tray" in the section heading and section language. This section has been modified to read: P2715.1 Laundry tray waste outlet. Each compartment of a laundry tray shall be provided with a waste outlet not less than 1 1/2 inches (38 mm) in diameter and a strainer or crossbar to restrict the clear opening of the waste outlet.

Okla. Admin. Code § 748:20-6-32

Amended and renumbered from 748:20-5-17 by Oklahoma Register, Volume 39, Issue 24, September 1, 2022, eff. 9/14/2022