Page 648 - 2018_IRC

CHAPTER 27

PLUMBING FIXTURES

User notes:
About this code: Because fixture design and quality are paramount to ensure that plumbing fixtures operate properly, Chapter 27 specifies
numerous product and material standards for plumbing fixtures. Regulations for locating plumbing fixtures and constructing field-built shower
receptors are provided.
Code development reminder: Code change proposals to this chapter will be considered by the IRC—Mechanical/Plumbing Code Develop-
ment Committee during the 2018 (Group A) Code Development Cycle. See explanation on page iv.

SECTION P2701 SECTION P2705
FIXTURES, FAUCETS AND FIXTURE FITTINGS INSTALLATION

P2701.1 Quality of fixtures. Plumbing fixtures, faucets and P2705.1 General. The installation of fixtures shall conform
fixture fittings shall have smooth impervious surfaces, shall to the following:
be free from defects, shall not have concealed fouling sur- 1. Floor-outlet or floor-mounted fixtures shall be secured to
faces, and shall conform to the standards indicated in Table the drainage connection and to the floor, where so
P2701.1 and elsewhere in this code. designed, by screws, bolts, washers, nuts and similar fas-
teners of copper, copper alloy or other corrosion-resis-
SECTION P2702 tant material.
FIXTURE ACCESSORIES 2. Wall-hung fixtures shall be rigidly supported so that
P2702.1 Plumbing fixtures. Plumbing fixtures, other than strain is not transmitted to the plumbing system.
water closets, shall be provided with approved strainers. 3. Where fixtures come in contact with walls and floors,
Exception: Hub drains receiving only clear water waste the contact area shall be water tight.
and standpipes shall not require strainers. 4. Plumbing fixtures shall be usable.
P2702.2 Waste fittings. Waste fittings shall conform to 5. Water closets, lavatories and bidets. A water closet,
ASME A112.18.2/CSA B125.2, ASTM F409 or shall be lavatory or bidet shall not be set closer than 15 inches
made from pipe and pipe fittings complying with any of the (381 mm) from its center to any side wall, partition or
standards indicated in Tables P3002.1(1) and P3002.3. vanity or closer than 30 inches (762 mm) center-to-cen-
ter between adjacent fixtures. There shall be a clearance
P2702.3 Plastic tubular fittings. Plastic tubular fittings shall of not less than 21 inches (533 mm) in front of a water
conform to ASTM F409 as indicated in Table P2701.1. closet, lavatory or bidet to any wall, fixture or door.
P2702.4 Carriers for wall-hung water closets. Carriers for 6. The location of piping, fixtures or equipment shall not
wall-hung water closets shall conform to ASME A112.6.2. interfere with the operation of windows or doors.
7. In flood hazard areas as established by Table R301.2(1),
SECTION P2703 plumbing fixtures shall be located or installed in accor-
TAIL PIECES dance with Section R322.1.6.
P2703.1 Minimum size. Fixture tail pieces shall be not less than 8. Integral fixture-fitting mounting surfaces on manufac-
1 / inches (38 mm) in diameter for sinks, dishwashers, laundry tured plumbing fixtures or plumbing fixtures constructed
1
2
tubs, bathtubs and similar fixtures, and not less than 1 / inches on site, shall meet the design requirements of ASME
1
4
(32 mm) in diameter for bidets, lavatories and similar fixtures. A112.19.2/CSA B45.1 or ASME A112.19.3/CSA B45.4.
SECTION P2704 SECTION P2706
SLIP-JOINT CONNECTIONS WASTE RECEPTORS
P2704.1 Slip joints. Slip-joint connections shall be installed P2706.1 General. For other than hub drains that receive only
only for tubular waste piping and only between the trap outlet clear-water waste and standpipes, a removable strainer or
of a fixture and the connection to the drainage piping. Slip- basket shall cover the waste outlet of waste receptors. Waste
joint connections shall be made with an approved elastomeric receptors shall not be installed in concealed spaces. Waste
sealing gasket. Slip-joint connections shall be accessible. receptors shall not be installed in plenums, attics, crawl
Such access shall provide an opening that is not less than 12 spaces or interstitial spaces above ceilings and below floors.
inches (305 mm) in its smallest dimension. Waste receptors shall be readily accessible.

2018 INTERNATIONAL RESIDENTIAL CODE ® 623
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