1     
FLOW RATES OR QUANTITY FOR PLUMBING FIXTURES

2     
2022 GENERAL SESSION

3     
STATE OF UTAH

4     
Chief Sponsor: Jani Iwamoto

5     
House Sponsor: Joel Ferry

6     

7     LONG TITLE
8     General Description:
9          This bill modifies provisions related to requirements for plumbing fixtures or fixture
10     fittings.
11     Highlighted Provisions:
12          This bill:
13          ▸     modifies the residential and plumbing code adopted by the state to address
14     maximum flow rates or quantity for certain plumbing fixtures or fixture fittings; and
15          ▸     makes technical amendments.
16     Money Appropriated in this Bill:
17          None
18     Other Special Clauses:
19          This bill provides a special effective date.
20     Utah Code Sections Affected:
21     AMENDS:
22          15A-3-205, as last amended by Laws of Utah 2019, Chapter 20
23          15A-3-306, as last amended by Laws of Utah 2019, Chapter 20
24     

25     Be it enacted by the Legislature of the state of Utah:
26          Section 1. Section 15A-3-205 is amended to read:
27          15A-3-205. Amendments to Chapters 26 through 35 of IRC.
28          (1) A new IRC, Section P2602.3, is added as follows: "P2602.3 Individual water
29     supply. Where a potable public water supply is not available, individual sources of potable
30     water supply shall be utilized, provided that the source has been developed in accordance with
31     Utah Code, Sections 73-3-1 and 73-3-25, as administered by the Department of Natural
32     Resources, Division of Water Rights. In addition, the quality of the water shall be approved by
33     the local health department having jurisdiction."
34          (2) A new IRC, Section P2602.4, is added as follows: "P2602.4 Sewer required. Every
35     building in which plumbing fixtures are installed and all premises having drainage piping shall
36     be connected to a public sewer where the sewer is accessible and is within 300 feet of the
37     property line in accordance with Utah Code, Section 10-8-38; or an approved private sewage
38     disposal system in accordance with Utah Administrative Code, Chapter 4, Rule R317, as
39     administered by the Department of Environmental Quality, Division of Water Quality."
40          (3) In IRC, Section P2705, Item 5, the words "lavatory" and "lavatories" are deleted.
41          (4) In IRC, Section P2705, a new Item 6 is added as follows: "6. Lavatories. A lavatory
42     shall not be set closer than 12 inches from its center to any side wall or partition. A lavatory
43     shall be provided with a clearance of 24 inches in width and 21 inches in depth in front of the
44     lavatory to any side wall, partition, or obstruction." Remaining item numbers are renumbered
45     accordingly.
46          (5) In IRC, Section P2801.8, all words in the first sentence up to the word "water" are
47     deleted.
48          (6) A new IRC, Section P2902.1.1, is added as follows: "P2902.1.1 Backflow assembly
49     testing. The premise owner or the premise owner's designee shall have backflow prevention
50     assemblies operation tested in accordance with administrative rules made by the Drinking
51     Water Board at the time of installation, repair, and relocation and at least on an annual basis
52     thereafter, or more frequently as required by the authority having jurisdiction. Testing shall be
53     performed by a Certified Backflow Preventer Assembly Tester. The assemblies that are subject
54     to this paragraph are the Spill Resistant Vacuum Breaker, the Pressure Vacuum Breaker
55     Assembly, the Double Check Backflow Prevention Assembly, the Double Check Detector
56     Assembly Backflow Preventer, the Reduced Pressure Principle Backflow Preventer, and
57     Reduced Pressure Detector Assembly. Third-party certification for backflow prevention
58     assemblies will consist of any combination of two certifications, laboratory or field.
59     Acceptable third-party laboratory certifying agencies are ASSE, IAPMO, and USC-FCCCHR.
60     USC-FCCCHR currently provides the only field testing of backflow protection assemblies.
61     Also see www.drinkingwater.utah.gov and rules made by the Drinking Water Board."
62          (7) In IRC, Section P2902.1, the following subsections are added as follows:
63          "P2902.1.1 General Installation Criteria.
64          Assemblies shall not be installed more than five feet above the floor unless a permanent
65     platform is installed. The assembly owner, where necessary, shall provide devices or structures
66     to facilitate testing, repair, and maintenance, and to insure the safety of the backflow
67     technician.
68          P2902.1.2 Specific Installation Criteria.
69          P2902.1.2.1 Reduced Pressure Principle Blackflow Prevention Assembly.
70          The reduced pressure principle backflow prevention assembly shall be installed as
71     follows:
72     a. The assembly may not be installed in a pit.
73     b. The relief valve of the assembly shall not be directly connected to a waste disposal line,
74     including a sanitary sewer, a storm drain, or a vent.
75     c. The assembly shall be installed in a horizontal position only, unless listed or approved for
76     vertical installation in accordance with Section 303.4.
77     d. The bottom of the assembly shall be installed a minimum of 12 inches above the floor or
78     ground.
79     e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
80     obstacle, and shall be readily accessible for testing, repair, and maintenance.
81     P2902.1.2.2 Double Check Valve Backflow Prevention Assembly.
82     A double check valve backflow prevention assembly shall be installed as follows:
83     a. The assembly shall be installed in a horizontal position only, unless listed or approved for
84     vertical installation.
85     b. The bottom of the assembly shall be a minimum of 12 inches above the ground or floor.
86     c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
87     obstacle, and shall be readily accessible for testing, repair, and maintenance.
88     d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of clearance
89     between all sides of the vault, including the floor and roof or ceiling, with adequate room for
90     testing and maintenance.
91     P2902.1.2.3 Pressure Vacuum Break Assembly and Spill Resistant Pressure Vacuum Breaker
92     Assembly.
93     A pressure vacuum break assembly or a spill resistant pressure vacuum breaker assembly shall
94     be installed as follows:
95     a. The assembly shall not be installed in an area that could be subject to backpressure or back
96     drainage conditions.
97     b. The assembly shall be installed a minimum of 12 inches above all downstream piping and
98     the highest point of use.
99     c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and shall
100     be readily accessible for testing, repair, and maintenance.
101     d. The assembly shall not be installed below ground, in a vault, or in a pit.
102     e. The assembly shall be installed in a vertical position."
103          (8) In IRC, Table 2903.2, the following changes are made in the column titled
104     "MAXIMUM FLOW RATE OR QUANTITY":
105          (a) In the row titled "Lavatory faucet" the text is deleted and replaced with "1.5 gpm at
106     60 psi".
107          (b) In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80
108     psi".
109          (c) In the row titled "Water closet" the text is deleted and replaced with "1.28 gallons
110     per flushing cycle".
111          [(8)] (9) In IRC, Section 2903.5, at the beginning of the second sentence, insert "If
112     installed,".
113          [(9)] (10) In IRC, Section P2903.9.3, the first sentence is deleted and replaced with the
114     following: "Unless the plumbing appliance or plumbing fixture has a wall-mount valve, shutoff
115     valves shall be required on each fixture supply pipe to each plumbing appliance and to each
116     plumbing fixture other than bathtubs and showers."
117          [(10)] (11) IRC, Section P2910.5, is deleted and replaced with the following:
118     "P2910.5 Potable water connections.
119     When a potable water system is connected to a nonpotable water system, the potable water
120     system shall be protected against backflow by a reduced pressure backflow prevention
121     assembly or an air gap installed in accordance with Section 2901."
122          [(11)] (12) IRC, Section P2910.9.5, is deleted and replaced with the following:
123     "P2910.9.5 Makeup water.
124     Where an uninterrupted nonpotable water supply is required for the intended application,
125     potable or reclaimed water shall be provided as a source of makeup water for the storage tank.
126     The makeup water supply shall be protected against backflow by means of an air gap not less
127     than 4 inches (102 millimeters) above the overflow or by a reduced pressure backflow
128     prevention assembly installed in accordance with Section 2902."
129          [(12)] (13) In IRC, Section P2911.12.4, the following words are deleted: "and
130     backwater valves."
131          [(13)] (14) In IRC, Section P2912.15.6, the following words are deleted: "and
132     backwater valves."
133          [(14)] (15) In IRC, Section P2913.4.2, the following words are deleted: "and backwater
134     valves."
135          [(15)] (16) IRC, Section P3009, is deleted and replaced with the following:
136     "P3009 Connected to nonpotable water from on-site water reuse systems.
137     Nonpotable systems utilized for subsurface irrigation for single-family residences shall comply
138     with the requirements of R317-401, UAC, Graywater Systems."
139          [(16)] (17) In IRC, Section P3103.6, the following sentence is added at the end of the
140     paragraph: "Vents extending through the wall shall terminate not less than 12 inches from the
141     wall with an elbow pointing downward."
142          [(17)] (18) In IRC, Section P3104.4, the following sentence is added at the end of the
143     paragraph: "Horizontal dry vents below the flood level rim shall be permitted for floor drain
144     and floor sink installations when installed below grade in accordance with Chapter 30, and
145     Sections P3104.2 and P3104.3. A wall cleanout shall be provided in the vertical vent."
146          Section 2. Section 15A-3-306 is amended to read:
147          15A-3-306. Amendments to Chapter 6 of IPC.
148          (1) IPC, Section 602.3, is deleted and replaced with the following: "602.3 Individual
149     water supply. Where a potable public water supply is not available, individual sources of
150     potable water supply shall be utilized provided that the source has been developed in
151     accordance with Utah Code, Sections 73-3-1, 73-3-3, and 73-3-25, as administered by the
152     Department of Natural Resources, Division of Water Rights. In addition, the quality of the
153     water shall be approved by the local health department having jurisdiction. The source shall
154     supply sufficient quantity of water to comply with the requirements of this chapter."
155          (2) IPC, Sections 602.3.1, 602.3.2, 602.3.3, 602.3.4, 602.3.5, and 602.3.5.1, are
156     deleted.
157          (3) In IPC, Table 604.4, the following changes are made in the column titled
158     "MAXIMUM FLOW RATE OR QUANTITY":
159          (a) In the row titled "Lavatory, private" the text is deleted and replaced with "1.5 gpm
160     at 60 psi".
161          (b) In the row titled "Shower head" the text is deleted and replaced with "2 gpm at 80
162     psi".
163          (c) In the row titled "Urinal" the text is deleted and replaced with "0.5 gallon per
164     flushing cycle".
165          (d) In the row titled "Water closet" the text is deleted and replaced with "1.28 gallons
166     per flushing cycle".
167          [(3)] (4) A new IPC, Section 604.4.1, is added as follows: "604.4.1 Manually operated
168     metering faucets for food service establishments. Self closing or manually operated metering
169     faucets shall provide a flow of water for at least 15 seconds without the need to reactivate the
170     faucet."
171          [(4)] (5) IPC, Section 606.5, is deleted and replaced with the following: "606.5 Water
172     pressure booster systems. Water pressure booster systems shall be provided as required by
173     Section 606.5.1 through 606.5.11."
174          [(5)] (6) A new IPC, Section 606.5.11, is added as follows: "606.5.11 Prohibited
175     installation. In no case shall a booster pump be allowed that will lower the pressure in the
176     public main to less than the minimum water pressure specified in Utah Administrative Code
177     R309-105-9."
178          [(6)] (7) In IPC, Section 608.1, the words "and pollution" are added after the word
179     "contamination."
180          [(7)] (8) In IPC, Section 608.1, the following subsections are added as follows:
181     "608.1.1 General Installation Criteria.
182     An assembly shall not be installed more than five feet above the floor unless a permanent
183     platform is installed. The assembly owner, where necessary, shall provide devices or structures
184     to facilitate testing, repair, and maintenance and to insure the safety of the backflow technician.
185     608.1.2 Specific Installation Criteria.
186     608.1.2.1 Reduced Pressure Principle Blackflow Prevention Assembly.
187     A reduced pressure principle backflow prevention assembly shall be installed as follows:
188     a. The assembly shall not be installed in a pit or below grade where the relief port could be
189     submerged in water or where fumes could be present at the relief port discharge.
190     b. The relief valve of the assembly shall not be directly connected to a waste disposal line,
191     including a sanitary sewer, storm drain, or vent.
192     c. The assembly shall be installed in a horizontal position, unless the assembly is listed or
193     approved for vertical installation in accordance with Section 303.4.
194     d. The bottom of each assembly shall be installed a minimum of 12 inches above the ground or
195     the floor.
196     e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
197     obstacle, and shall be readily accessible for testing, repair, and maintenance.
198     608.1.2.2 Double Check Valve Backflow Prevention Assembly.
199     A double check valve backflow prevention assembly shall be installed as follows:
200     a. The assembly shall be installed in a horizontal position unless the assembly is listed or
201     approved for vertical installation.
202     b. The bottom of the assembly shall be a minimum of 12 inches above the ground or the floor.
203     c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or
204     obstacle, and shall be readily accessible for testing, repair, and maintenance.
205     d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of clearance
206     around all sides of the vault, including the floor and roof or ceiling, with adequate room for
207     testing and maintenance.
208     608.1.2.3 Pressure Vacuum Breaker Assembly and Spill Resistant Pressure Vacuum Breaker
209     Assembly.
210     A pressure vacuum breaker assembly and spill resistant pressure vacuum breaker assembly
211     shall be installed as follows:
212     a. The assembly shall not be installed in an area that could be subject to backpressure or back
213     drainage conditions.
214     b. The assembly shall be installed a minimum of 12 inches above all downstream piping and
215     the highest point of use.
216     c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and shall
217     be readily accessible for testing, repair, and maintenance.
218     d. The assembly shall not be installed below ground or in a vault or pit.
219     e. The assembly shall be installed in a vertical position."
220          [(8)] (9) In IPC, Section 608.3, the word "and" before the word "contamination" is
221     deleted and replaced with a comma and the words " or pollution" are added after the word
222     "contamination" in the first sentence.
223          [(9)] (10) In IPC, Section 608.6, the words "with the potential to create a condition of
224     either contamination or pollution or" are added after the word "substances."
225          [(10)] (11) In IPC, Section 608.7, the following sentence is added at the end of the
226     paragraph: "Any connection between potable water piping and sewer-connected waste shall be
227     protected by an air gap in accordance with Section 608.14.1."
228          [(11)] (12) IPC, Section 608.8, is deleted and replaced with the following: " 608.8 Stop
229     and Waste Valves installed below grade. Combination stop-and-waste valves shall be
230     permitted to be installed underground or below grade. Freeze proof yard hydrants that drain
231     the riser into the ground are considered to be stop-and-waste valves and shall be permitted. A
232     stop-and-waste valve shall be installed in accordance with a manufacturer's recommended
233     installation instructions."
234          [(12)] (13) IPC, Section 608.14.3, is deleted and replaced with the following: "
235     608.14.3 Backflow preventer with intermediate atmospheric vent. Backflow preventers with
236     intermediate atmospheric vents shall conform to ASSE 1012 or CSA CAN/CSA-B64.3. These
237     devices shall be permitted to be installed on residential boilers, without chemical treatment,
238     where subject to continuous pressure conditions, and humidifiers in accordance with Section
239     608.17.10. The relief opening shall discharge by air gap and shall be prevented from being
240     submerged."
241          [(13)] (14) IPC, Section 608.14.4, is deleted.
242          [(14)] (15) IPC, Section 608.16.3, is deleted and replaced with the following: "
243     608.16.3 Protection by a backflow preventer with intermediate atmospheric vent. Connections
244     to residential boilers only, without chemical treatment, and humidifiers shall be protected by a
245     backflow preventer with an intermediate atmospheric vent."
246          [(15)] (16) IPC, Section 608.16.4, is deleted and replaced with the following: "
247     608.16.4 Protection by a vacuum breaker. Openings and outlets shall be protected by
248     atmospheric-type or pressure-type vacuum breakers. Vacuum breakers shall not be installed
249     under exhaust hoods or similar locations that will contain toxic fumes or vapors. Fill valves
250     shall be set in accordance with Section 425.3.1. Atmospheric Vacuum Breakers - The critical
251     level of the atmospheric vacuum breaker shall be set a minimum of 6 inches (152 mm) above
252     the flood level rim of the fixture or device. Pipe-applied vacuum breakers shall be installed not
253     less than 6 inches (152 mm) above the flood level rim of the fixture, receptor, or device served.
254     No valves shall be installed downstream of the atmospheric vacuum breaker. The atmospheric
255     vacuum breaker shall not be installed where it may be subjected to continuous pressure for
256     more than 12 consecutive hours at any time. Pressure Vacuum Breaker - The critical level of
257     the pressure vacuum breaker shall be set a minimum of 12 inches (304 mm) above the flood
258     level of the fixture or device."
259          [(16)] (17) In IPC, Section 608.16.4.2, the following is added after the first sentence:
260     "Add-on-backflow prevention devices shall be non-removable. In climates where freezing
261     temperatures occur, a listed self-draining frost proof hose bibb with an integral backflow
262     preventer shall be used."
263          [(17)] (18) In IPC, Section 608.17.1.2, the words "or ASSE 1024" are deleted.
264          [(18)] (19) IPC, Section 608.17.2, is deleted and replaced as follows: " 608.17.2
265     Connections to boilers. The potable supply to a boiler shall be protected by an air gap or a
266     reduced pressure principle backflow preventer, complying with ASSE 1013, CSA B64.4 or
267     AWWA C511.
268     Exception: The potable supply to a residential boiler without chemical treatment may be
269     equipped with a backflow preventer with an intermediate atmospheric vent complying with
270     ASSE 1012 or CSA CAN/CSA-B64.3."
271          [(19)] (20) In IPC, Section 608.17.4.1, a new exception is added as follows:
272     "Exception: All class 1 and 2 systems containing chemical additives consisting of strictly
273     glycerine (C.P. or U.S.P. 96.5 percent grade) or propylene glycol shall be protected against
274     backflow with a double check valve assembly. Such systems shall include written certification
275     of the chemical additives at the time of original installation and service or maintenance."
276          [(20)] (21) IPC, Section 608.17.7, is deleted and replaced with the following: "
277     608.17.7 Chemical dispensers. Where chemical dispensers connect to the water distribution
278     system, the water supply system shall be protected against backflow in accordance with Section
279     608.14.1, Section 608.14.2, Section 608.14.5, Section 608.14.6 or Section 608.14.8.
280     Installation shall be in accordance with Section 608.1.2. Chemical dispensers shall connect to a
281     separate dedicated water supply line, and not a sink faucet."
282          [(21)] (22) IPC, Section 608.17.8, is deleted and replaced with the following: "
283     608.17.8 Portable cleaning equipment. Where the portable cleaning equipment connects to the
284     water distribution system, the water supply system shall be protected against backflow in
285     accordance with Section 608.14.1 or Section 608.14.2."
286          [(22)] (23) A new IPC, Section 608.17.11, is added as follows: " 608.17.11 Automatic
287     and coin operated car washes. The water supply to an automatic or coin operated car wash
288     shall be protected in accordance with Section 608.14.1 or Section 608.14.2."
289          [(23)] (24) IPC, Section 608.18, is deleted and replaced with the following: " 608.18
290     Protection of individual water supplies. See Section 602.3 for requirements."
291          Section 3. Effective date.
292          This bill takes effect on July 1, 2022.