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5/3/202224.301.301 (1) (e)24.301.301 (1) (f)Montana amendmentMontana amendment Delete Table 104.5 – PLUMBING PERMIT FEES and replace with thefollowing schedule: (i) for each plumbing fixture 10 (ii) water service – domestic or commercial 20 (iii) for each building sewer and each trailer park sewer 20 (iv) storm drains and storm drainage 20 (v) for each water heater (replacement or new) 25 (vi) for each industrial water pretreatment interceptor, including its trayand vent, excepting kitchen type grease interceptors functioning asfixture traps 30 (iv) Factory-built buildings covered by an insignia issued by thedepartment need not have a plumbing permit for the constructionof the unit; however, a permit will still be required for on-sitework, as provided for in these rules.Copyright IAPMO 2021Copyright IAPMO 20212525262624.301.301 (1) (f)24.301.301 (1) (f)Montana amendment (continued)Montana amendment (continued) (vii) for alteration or repair of water piping and/or water treatmentequipment 30 (viii) for repair or alteration of drainage or vent piping 30 (ix) for each lawn sprinkler system and fire protection system or any onemeter, including backflow protection devices therefore 30 (x) for each hose bibb, vacuum breakers, or backflow protective deviceson tanks, vats, etc., or for installation on unprotected plumbing fixtures,including necessary water piping 6 each (xi) requested plumbing inspection fee (provided that such service is notin excess of one hour duration, and then in 35 for each 30 minutes orfractional part thereof in excess of one hour. Travel and per diem may becharged as per the state of Montana’s existing rate for these items) 75 (xii) reinspection (provided the 30 does not exceed the original permitfee, in which case the original fee will be charged) 45Copyright IAPMO 2021Copyright IAPMO 20212727282824.301.301 (1) (f)24.301.301 (1) (f)Montana amendment (continued)Montana amendment (continued) (xiii) for each medical gas type/piping system as follows:(A) oxygen piping 100(B) nitrogen piping 100(C) medical compressed air piping 100(D) nitrous oxide piping 100(E) carbon dioxide piping 100(G) any other medical gas piping not included above in (A) through (F) 100(H) if total outlets for all gases/vacuum piping exceed 20 outlets, then thereis an additional fee for each outlet over 20 10Copyright IAPMO 202129 (xiv) for each gray water system (commercial or residential) 60Copyright IAPMO 2021293030Copyright IAPMO 20225

5/3/2022Chapter 124.301.361104.0 PermitsMontana amendment (1) Any person who is required under 50-60-505, MCA to obtain a plumbingpermit, and the work is not covered by a local government inspectionprogram, shall do so prior to installation through the department. (2) The exception to the plumbing permit requirement listed in 50-60-503,MCA, for plumbing installations on farms having their own individual watersupply or sewage disposal system applies to farm and ranch installationsused in conjunction with an agricultural or livestock raising operation whichare not connected to either a public water supply or public sewer system.Any building used as or in conjunction with a hotel, bed and breakfastestablishment, or other place where sleeping accommodations arefurnished to transient guests for a fee is subject to the requirements of ARM24.301.301. This section and its sub-sections deal with the matter ofplumbing permits. Montana added several amendments which will now beconsidered Copyright IAPMO 2021Copyright IAPMO 20213131323224.301.36124.301.361Montana amendmentMontana amendment (3) The exception to the plumbing permit requirement listed in 50-60506(4), MCA, for the owner of residential property applies to the owner ofa single-family dwelling who does the work on the plumbing installation inthe dwelling in which they will reside. The “homeowner exemption”applies to those dwellings intended for the owner’s personal use and notfor dwellings built on speculation of resale or intended as rental property. (4) The exception to permit requirements listed in 50-60-506(5), MCA, forregularly employed maintenance personnel doing maintenance work onthe business premises applies to personnel on the regular payroll ratherthan personnel under contract. Maintenance work includes the stoppingof leaks in pipes, valves, or fixtures, when such repairs do not involve orrequire the replacement or rearrangement of valves, pipes, or fixtures. (5) The applicant shall complete the plumbing application form anddesignate in the spaces provided the items to be covered by theplumbing permit. (6) No plumbing permit shall be issued for a building or structure underthe jurisdiction of the department, until the building permit has beenissued for said building or structure. (7) After review and approval of the application, the department shallissue a permit to the applicant.Copyright IAPMO 2021Copyright IAPMO 202133333434Chapter 124.301.371105.0 Inspections and TestingMontana amendment (1) When the permit holder is ready for inspection, he shall notify thedepartment either orally or in writing. The notification shall be given notless than 24 hours before the work is to be inspected. To assist thedepartment with its scheduling of inspections, it is asked that inspectionrequests be made as much in advance of the 24-hour minimum noticetime as possible. Cover (rough-in) inspections are made by a stateplumbing inspector wherever possible. Insulation and wallboard shall notbe applied prior to inspections unless 48 hours, excluding Saturdays,Sundays and holidays have expired after the plumbing installation iscomplete and notice to inspect has been received. This section and its sub-sections deal with the matter ofplumbing inspections. Montana added several amendments which will now beconsidered Copyright IAPMO 202135Copyright IAPMO 2021353636Copyright IAPMO 20226

5/3/202224.301.37124.301.371Montana amendmentMontana amendment (2) The permit holder shall be responsible for assuring that the plumbingwork is not covered before the department has granted permission tocover said work. The inspection shall be made during daylight hoursunless it is more convenient to all parties involved to make the inspectionat night. (3) Upon completion of the final inspection and approval of the plumbingwork, the department shall, if requested, issue the permit holder acertificate of compliance. (4) If the inspection reveals code violations, the permit holder shall begiven an opportunity to make corrections. If after reinspection theviolation has been corrected, the permit holder shall be issued acertificate of compliance. If such violation is not corrected, the permitholder or other responsible persons will be charged as per 50-60-110,MCA. (5) Plumbing inspectors shall not inspect any plumbing work in whichthey have any financial or personal interest, or which they have installedor repaired. (This is a new provision!)Copyright IAPMO 2021Copyright IAPMO 202137373838Words have meaning Chapter 2Define the word “stock” Definitions Foundation of UPC! Words have meaning, context & authorialintent are important!(a) liquid made by stewing bones & vegetables, as in soup broth(b) to assess, as in take “stock” of a situation(c) a store of goods(d) farm animals, as in livestock(e) timber frame with holes to hold criminals for public punishment(f) support or handle for an implement or gun(g) shares or financial interest in a company, as in “stock market”(h) reputation – his “stock” is rising as he continues to excel at workCopyright IAPMO 2021 18 new or modified definitions One Montana amendment Plus, a selection of critically important terms to understand Copyright IAPMO 202139394040205.0Category 3 Vacuum SystemOrdinary Words A Category 3 vacuum distribution system that can beeither a wet system designed to remove liquids, air-gas,or solid from the treated area; or a dry system designedto trap liquids and solids before the service inlet and toaccommodate air-gas only through the service inlet.[NFPA 99:3.3.21]See a dictionary Copyright IAPMO 20214141Copyright IAPMO 20214242Copyright IAPMO 20227

5/3/2022205.0205.0Circuit Vent (new)Commercial Modular System (new) The vent that connects to a horizontal drainage branchand vents two traps to a maximum of eight trapsconnected into a battery of fixtures. A drinking water treatment unit system consisting ofmultiple components attached to a manifold, producedspecifically for food service applications, and notintended for use in residential applications.Copyright IAPMO 2021Copyright IAPMO 202143434444206.0206.0 Dead LegDead Leg (new)Continued A section of potable water pipe which contains water thathas no flow or does not circulate. Many installations are dead legs: Capped ends Futures New definition, necessary for section 309.6 What is the issue? Legionella Water stagnation Relates also to Appendix N, dealing with LegionellaCopyright IAPMO 2021Copyright IAPMO 202145454646207.0209.0Expansion Tank (new)General Anesthesia and Levels of Sedation/Analgesia A vessel used toprotect potable watersystems fromexcessive pressure. Deep Sedation/Analgesia. A drug-induced depression ofconsciousness during which patients cannot be easily arousedbut respond purposefully following repeated or painfulstimulation. The ability to independently maintain ventilatoryfunction may be impaired. Patients may require assistance inmaintaining a patent airway, and spontaneous ventilation may beinadequate. Cardiovascular function is usually maintained.[NFPA 99:3.3.66.2]Copyright IAPMO 202147Copyright IAPMO 202147(new)4848Copyright IAPMO 20228

5/3/2022209.0General Anesthesia and Levels of Sedation/Analgesia(continued) General Anesthesia. A drug-induced loss of consciousnessduring which patients are not arousable, even by painfulstimulation. The ability to independently maintain ventilatoryfunction is often impaired. Patients often require assistance inmaintaining a patent airway, and positive pressure ventilationmay be required because of depressed spontaneous ventilationor drug-induced depression of neuromuscular function.Cardiovascular function may be impaired. [NFPA 99:3.3.66.1]Copyright IAPMO 20214949Copyright IAPMO 202150Copyright IAPMO 2021525051Copyright IAPMO 20215152209.0209.0General Anesthesia and Levels of Sedation/AnalgesiaGeneral Anesthesia and Levels of Sedation/Analgesia(continued) Minimal Sedation (Anxiolysis). A drug-induced state duringwhich patients respond normally to verbal commands. Althoughcognitive function and coordination may be impaired, ventilatoryand cardiovascular functions are unaffected. [NFPA 99:3.3.66.4]Copyright IAPMO 202153(continued) Moderate Sedation/Analgesia (Conscious Sedation). A druginduced depression of consciousness during which patientsrespond purposefully to verbal commands, either alone oraccompanied by light tactile stimulation. No interventions arerequired to maintain a patent airway, and spontaneous ventilationis adequate. Cardiovascular function is usually maintained.[NFPA 99:3.3.66.3]Copyright IAPMO 2021535454Copyright IAPMO 20229

5/3/2022209.0Group Wash Fixture (new) A lavatory that allowsmore than one personto utilize the fixture atthe same time. Thefixture has one ormore drains and oneor more faucets.Copyright IAPMO 20215555Copyright IAPMO 202156Copyright IAPMO 202158Copyright IAPMO 20216056Copyright IAPMO 2021575758214.0Low-Pressure Water Dispenser (new) A terminal fitting located downstream of a pressurereducing valve that dispenses drinking hot water above710C (1600F) or cold water or both at a pressure of105kPa (15psi) or less.Copyright IAPMO 2021595960Copyright IAPMO 202210

5/3/2022216.0Nonwater Urinal with Drain Cleansing Action (new) A non-water urinal that conveys waste into the drainagesystem without the use of water for flushing andautomatically performs a drain-cleansing action after apre-determined amount of time.Copyright IAPMO 2021Copyright IAPMO 20216161626224.301.301 (1) (l)218.0Montana amendmentPoint-of-Entry, Water Treatment Unit (new) (1) (l) 218.0 Definition of Plumbing System is amended toread: Includes all potable water and alternate water sourcesincluding supply and distribution pipes, all plumbing fixtures andtraps, all drainage and vent pipes, building drains and buildingsewers, including their respective joints and connections,devices, receptacles, and appurtenances within the property lineof any premises, and includes water heaters and vents for thepremises. A device serving the water distribution system of abuilding for the purposes of altering, modifying, adding,or removing minerals, chemicals, contaminants, andsuspended solids in water.Copyright IAPMO 2021Copyright IAPMO 202163636464218.0218.0P.o.E. (continued)Point-of Use, Water Treatment Unit (new)There are many differentmodels A device serving a single atmospheric outlet such as afaucet for the purposes of altering, modifying, adding, orremoving minerals, chemicals, contaminants, andsuspended solids in water.Maintenance is essential!Copyright IAPMO 202165Copyright IAPMO 2021656666Copyright IAPMO 202211

5/3/2022218.0Pre-Fabricated Shower Enclosure (new) A factory-assembled watertight structure with enclosingwalls, a drain, and a door or access way.Copyright IAPMO 20216767Copyright IAPMO 20216868218.0218.0Private or Private UsePublic Water System (new) Applies to plumbing fixtures in residences andapartments, to private bathrooms in hotels, hospitals,and health-care facilities, and to restrooms in commercialestablishments where the fixtures are intended for theuse of a family or an individual. A system for the provision to the public of water forhuman consumption through pipes or other constructedconveyances, if such system has at least fifteen serviceconnections or regularly serves an average of twenty-fiveindividuals daily for at least 60 days per year. New phrase addedCopyright IAPMO 2021Copyright IAPMO 202169697070224.0QuestionVent OffsetWhich of these constitutes a “dead leg”? An arrangement of two or more fittingsand pipe installed for the purpose oflocating a vertical section of the ventpipe in a different but parallel planewith respect to an adjacent section ofvertical vent pipe. [NFPA 54:3.3.102] (A) a 2” long section of 1” Type K copper water tube with a cap (B) water pipe provided for future fixtures (C) waterline roughed in at a non-water urinal for future retrofit of awater-supplied urinal One word deleted Copyright IAPMO 202171 (D) all of the aboveCopyright IAPMO 2021717272Copyright IAPMO 202212

5/3/2022Chapter 3301.2General RegulationsMinimum Standards. Pipe, pipe fittings, traps, fixtures, material, and devices used in aplumbing system shall be listed (third-party certified) by a listingagency (accredited conformity assessment body) as complyingwith the approved applicable recognized standards referenced inthis code, and shall be free from defects. Unless otherwiseprovided for in this code, materials, fixtures, or devices used orentering into the construction of plumbing systems, or partsthereof shall be submitted to the Authority Having Jurisdiction(AHJ) for approval prior to being installed. Predominantly minor changes One new section added No Montana amendments New verbiage addedCopyright IAPMO 2021Copyright IAPMO 202173737474Creativity abounds And it even “works” but does this conform toUPC requirements?Copyright IAPMO 20217575Copyright IAPMO 202176Copyright IAPMO 20217876301.2.2Standards. A list of plumbing standards that appear in specific sections of thiscode is referenced in Table 1701.1. Standards referenced in Table1701.1 shall be applied as indicated in the applicable referenced section.A list of additional approved standards, publications, practices, andguides that are not referenced in specific sections of this code appear inTable 1701.2. The documents indicated in Table 1701.2 shall bepermitted in accordance with Section 301.3. An IAPMO InstallationStandard is referenced in Appendix I for the convenience of the users ofthis code. It is not considered as part of this code unless formallyadopted as such by the AHJ. New word added, sentence deletedCopyright IAPMO 2021777778Copyright IAPMO 202213

5/3/2022Unlisted Urinal309.6Creative, but Dead Legs. This installation may fit well ina pub, tavern or similarestablishment, however Dead legs shall have a method of flushing. What constitutes this? A valve? Sediment faucet or boiler drain? Removable plug or cap? Enforcement to ensure flushing occurs?Copyright IAPMO 2021Copyright IAPMO 202179798080Dead LegsChapter 4Continued Plumbing Fixtures and Fixture Fittings Ten changes Hot water temperature limitations at various fixtures: When is an eyewash stationused? Public lavatories Gang showers Bathtubs & whirlpool bathtubs Bidets Does this not in effect becomea “dead leg”?Copyright IAPMO 2021 New devices Other minor changes8181Copyright IAPMO 202182Copyright IAPMO 20218482402.6.3Securing Floor-Mounted, Back-Outlet Water Closet Bowls. Where floor-mounted back-outlet water closets are used,the soil pipe shall be not less than 3 inches (80mm) indiameter. Offset, eccentric, or reducing floor closetflanges shall not be used.Copyright IAPMO 2021838384Copyright IAPMO 202214

5/3/2022Copyright IAPMO 20218585Copyright IAPMO 202186Copyright IAPMO 20218886What is it?WC Flange This is an “offset”WC Flange: (A) True (B) FalseCopyright IAPMO 2021878788407.3Water temperature at fixtures Limitation of Hot Water Temperature for Public Lavatories.How is it verified? A calibrated thermometer must beused! Hot water delivered from public-use lavatories shall be limited toa maximum temperature of 1200F (490C). The water heaterthermostat shall not be considered a control for meeting thisprovision. The maximum temperature shall be regulated by oneof the following means: (1) A limiting device conforming to either ASSE 1070/ASMEA112.1070/CSA B125.70, or (2) A water heater conforming to ASSE 1084.Copyright IAPMO 202189 Do not rely on guesses by holdingyour hand under the tap Keep a record findings at time ofinstallation or inspection.Copyright IAPMO 2021899090Copyright IAPMO 202215

5/3/2022408.1408.3.1Application.Gang Showers. Manufactured shower receptors and shower bases shallcomply with ASME A112.19.1/CSA B45.2, ASMEA112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4,CSA B45.12/IAPMO Z402, or CSA B45.5/IAPMO Z124.Prefabricated shower enclosures shall comply withIAPMO IGC 154. Where gang showers are supplied with a singletemperature-controlled water supply pipe, it shall becontrolled by a mixing valve that complies with ASSE1069.Copyright IAPMO 2021 Reworded, however essence remains unchanged.Copyright IAPMO 202191919292Master mixing valve408.3.2Gang shower Temperature Limiting. The maximum water temperature discharging from an individualshowerhead shall be limited to 1200F (490C) by one of thefollowing methods: (1) A shower or tub/shower combination valve conforming toASSE 1016/ASME A112.1016/CSA B125.16 where either: (a) The valve is field-adjusted to the required maximumtemperature, or (b) The handle position, stop, or temperature limiting control isset in accordance with the manufacturer’s instructions to therequired maximum temperature. UPC requires ASSE (or equivalent) listing Master controls should NOT be accessibleto publicCopyright IAPMO 20219393Copyright IAPMO 202194Copyright IAPMO 20219694408.3.2Temperature Limiting.(Continued) (2) For gang showers supplied by a single water supply pipe, amixing valve that conforms to ASSE 1069 that is field-adjusted tothe required maximum temperature. (3) A limiting device conforming to either ASSE 1070/ASMEA112.1070/CSA B 125.70 or CSA B125.3. (4) A water heater conforming to ASSE 1084. (5) A temperature actuated flow reduction device conforming toASSE 1062.Copyright IAPMO 2021959596Copyright IAPMO 202216

5/3/2022408.5Finished Curb or Threshold. The immediate adjoining space to showers withoutthresholds Where there is a shower without a threshold,the floor space within the same r

elsewhere in this code, shall be considered deleted and replaced with the title of the model code adopted by the department and in effect at the time. (b) All references to the International Plumbing Code shall be deleted and replaced with the Uniform Plumbing Code. It takes all plumbing out of the IMC, replacing them with UPC provisions.