Chapter 19.14 PLUMBING CODE

Chapter 19.14
PLUMBING CODE

Sections:

19.14.010 Uniform Plumbing Code adopted.

(a) The Uniform Plumbing Code, 2015 Edition, published by the International Association of Plumbing and Mechanical Officials (IAPMO), is expressly referred to and adopted as the plumbing code of the city, and by this reference and adoption made a part of this chapter as if fully set forth herein, save and except those specific deletions, amendments, and additions made in subsection (b) of this section. One copy of said Uniform Plumbing Code shall be filed and kept in the office of the city clerk.

(b) The following provisions designated “deletion” are deleted and excepted from, and the following provisions designated “addition” are added to, and the following provisions designated “amendment” are amendments to the provisions of the Uniform Plumbing Code so as to be and become part of the plumbing code of the city as so amended:

(1) Amendment. Section 312.6, Freezing protection, of the U.P.C. shall be amended in its entirety to read as follows:

Water, soil, and waste pipes shall not be installed outside of a building, in attics or crawl spaces, concealed in outside walls, or in any other place subjected to freezing temperature unless adequate provisions are made to protect such pipes from freezing by insulation or heat or both.

Exterior water supply system piping installed in trenches on private property shall be installed at a minimum of 6 inches below the frost line established at 32 inches (38 inches to top of pipe). A 48-inch bury is recommended for worst-case conditions and will meet Ketchikan Public Utilities Water Division (KPU) standards for installation in the right of way and the installation of fire hydrants on private property.

Exceptions:

1. Less than 36-inch bury will require 2-inch thick by 24-inch wide rigid Dow Styrofoam Hi-60 extruded polystyrene, Owens Corning Foamular 600 extruded polystyrene insulation, or equal.

2. Less than 28-inch bury will require two layers of 2-inch rigid foam with lapped seams.

3. Less than 18-inch bury will require two layers of 2-inch rigid foam with self-regulating heating cable with waterproof jacket such as Raychem 6-watt/ft. Winterguard Wet, or equal. It is further required that two inch bedding material be placed between the rigid foam and heat cabled pipe. Article 426 and 427 of the 2008 edition of the National Electrical Code requires the self-regulating heating cable must be ground fault equipment protected on each heating cable branch circuit.

4. Overland, rock face surface, or under dock installations are allowed under the following conditions: The pipe must be heat traced with Raychem or equal heating cable to the KPU demark. The pipe must be insulated with a minimum 1-1/8 inch OD closed cell urethane such as Armstrong AP Armaflex 2000 pipe insulation, or equal, with weather resistant protective finish.

5. If other than type K, annealed copper tubing will be used, the tubing or pipe must be approved for use, be installed to the manufacturer’s specifications, and be equal to the requirements as stated in exceptions 1, 2, 3, and 4. Specifications must be provided and approved by the building official or Ketchikan Public Utilities Engineering Department.

Installation details are available at the KPU Water Division Engineering Department located at 2930 Tongass Avenue, Ketchikan, Alaska 99901.

(2) Amendment. Table 422.1, Minimum Plumbing Facilities, of the U.P.C. shall be amended in its entirety to read as follows:

TABLE 422.1

MINIMUM PLUMBING FACILITIES,2,3,7,9,10

GENERAL

Each building shall be provided with sanitary facilities, including provisions for persons with disabilities as prescribed by the city. Table 422.1 applies to new buildings, additions to a building, and changes of occupancy or type in an existing building resulting in an increased occupant load. Plumbing fixtures shall be provided for the type of building occupancy with the minimum numbers as shown in Table 422.1. The numbers of fixtures are the minimum required as shown in Table 422.1 and the occupant load factors shall be as shown in Table 422.1.

EXCEPTION: Where circumstances dictate that a different ratio is needed, the adjustment shall be approved by the building official.

TABLE 422.1 MINIMUM PLUMBING FACILITIES1
TYPE OF OCCUPANCY2	WATER CLOSETS (FIXTURES PER PERSON)3			URINALS (FIXTURES PER PERSON)4	LAVATORIES (FIXTURES PER PERSON)5,6		BATHTUB OR SHOWERS (FIXTURES PER PERSON)	DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON)	OTHER
A-1 Assembly occupancy (fixed or permanent seating) – theatres, concert halls and auditoriums	Male 1: 1-100 2: 101-200 3: 201-400		Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-200 2: 201-300 3: 301-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-600 4: 601-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.			Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-2 Assembly occupancy – restaurants, pubs, lounges, night clubs and banquet halls	Male 1: 1-50 2: 51-150 3: 151-300 4: 301-400		Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-200 2: 201-300 3: 301-400 4: 401-600	Male 1: 1-150 2: 151-200 3: 201-400	Female 1: 1-150 2: 151-200 4: 201-400	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 250 males and 1 fixture for each 125 females.			Over 600, add 1 fixture for each additional 300 males.	Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-3 Assembly occupancy (typical without fixed or permanent seating) – arcades, places of worship, museums, libraries, lecture halls, gymnasiums (without spectator seating), indoor pools (without spectator seating)	Male 1: 1-100 2: 101-200 3: 201-400		Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-600 4: 601-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.			Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-4 Assembly occupancy (indoor activities or sporting events with spectator seating) – swimming pools, skating rinks, arenas and gymnasiums	Male 1: 1-100 2: 101-200 3: 201-400		Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.			Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-5 Assembly occupancy (outdoor activities or sporting events) – amusement parks, grandstands and stadiums	Male 1: 1-100 2: 101-200 3: 201-400		Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.			Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
B Business occupancy (office, professional or service type transactions) – banks, vet clinics, hospitals, car wash, banks, beauty salons, ambulatory health care facilities, laundries and dry cleaning, educational institutions (above high school), or training facilities not located within school, post offices and printing shops	Male 1: 1-50 2: 51-100 3: 101-200 4: 201-400		Female 1: 1-15 2: 16-30 3: 31-50 4: 51-100 8: 101-200 11: 201-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-75 2: 76-150 3: 151-200 4: 201-300 5: 301-400	Female 1: 1-50 2: 51-100 3: 101-150 4: 151-200 5: 201-300 6: 301-400	–	1 per 150	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females.			Over 600, add 1 fixture for each additional 300 males.	Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		–	1 per 150	1 service sink or laundry tray
E Educational occupancy – private or public schools	Male 1 per 50		Female 1 per 30	Male 1 per 100	Male 1 per 40	Female 1 per 40	–	1 per 150	1 service sink or laundry tray
F1, F2 Factory or Industrial occupancy – fabricating or assembly work	Male 1: 1-50 2: 51-75 3: 76-100		Female 1: 1-50 2: 51-75 3: 76-100	–	Male 1: 1-50 2: 51-75 3: 76-100	Female 1: 1-50 2: 51-75 3: 76-100	1 shower for each 15 per- sons exposed to excessive heat or to skin contamina-tion with poisonous, infectious or irritating material.	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 100, add 1 fixture for each additional 40 persons.			–	Over 100, add 1 fixture for each additional 40 persons.			Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
I-1 Institutional occupancy (houses more than 16 persons on a 24-hour basis) – substance abuse centers, assisted living, group homes, or residential facilities	Male 1 per 15		Female 1 per 15	–	Male 1 per 15	Female 1 per 15	1 per 8	1 per 150	1 service sink or laundry tray
I-2 Institutional occupancy – medical, psychiatric, surgical or nursing homes	Hospitals and nursing homes – individual rooms and ward room	1 per room		–	1 per room		1 per room	1 per 150	1 service sink or laundry tray
		1 per 8 patients		–	1 per 10 patients		1 per 20 patients	1 per 150	1 service sink or laundry tray
	Hospital Waiting or Visitor Rooms	1 per room		–	1 per room		–	1 per room	– –
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	–	Male 1 per 40	Female 1 per 40	–	–	– –
	Employee Use	Over 55, add 1 fixture for each additional 40 persons.		–	Male 1 per 40	Female 1 per 40	–	–	– –
I-3 Institutional occupancy (houses more than 5 people)	Prisons	1 per cell		–	1 per cell		1 per 20	1 per cell block/floor	– –
	Correctional facilities or juvenile center	1 per 8		–	1 per 10		1 per 8	1 per floor	1 service sink or laundry tray
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	–	Male 1 per 40	Female 1 per 40	–	1 per 150	– –
	Employee Use	Over 55, add 1 fixture for each additional 40 persons.		–	Male 1 per 40	Female 1 per 40	–	1 per 150	– –
I-4 Institutional occupancy (any age that receives care for less than 24 hours)		Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	–	Male 1 per 40	Female 1 per 40	–	1 per 150	1 service sink or laundry tray
		Over 55, add 1 fixture for each additional 40 persons.		–	Male 1 per 40	Female 1 per 40	–	1 per 150	1 service sink or laundry tray
M Mercantile occupancy (the sale of merchandise and accessible to the public)		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-100 2: 101-200 4: 201-300 6: 301-400	Male 0: 1-200 1: 201-400	Male 1: 1-200 2: 201-400	Female 1: 1-200 2: 201-300 3: 301-400	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each 200 females.		Over 400, add 1 fixture for each additional 500 males.	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each 400 females.		–	Over 750, add 1 fixture for each additional 500 persons.	– –
R-1 Residential occupancy (minimal stay) – hotels, motels, bed and breakfast homes		1 per sleeping room		–	1 per sleeping room		1 per sleeping room	–	1 service sink or laundry tray
R-2 Residential occupancy (long-term or permanent)	Dormitories	Male 1 per 10	Female 1 per 8	1 per 25	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
	Dormitories	Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.		Over 150, add 1 fixture for each additional 50 males.	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	–	Male 1 per 40	Female 1 per 40	–	–
	Employee Use	Over 55, add 1 fixture for each additional 40 persons		–	Male 1 per 40	Female 1 per 40	–	–
	Apartment house/unit	1 per apartment		–	1 per apartment		1 per apartment	–	1 kitchen sink per apartment. 1 laundry tray or 1 automatic clothes washer connection per unit or 1 laundry tray or 1 automatic clothes washer connection for each 12 units
R-3 Residential occupancy (long-term or permanent in nature) for more than 5 but does not exceed 16 occupants	Male 1 per 10		Female 1 per 8	–	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
	Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.			–	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150	1 service sink or laundry tray
R-3 Residential occupancy (one and two family dwellings)	1 per one and two family dwelling			–	1 per one and two family dwelling		1 per one and two family dwelling	–	1 kitchen sink and 1 automatic clothes washer connection per one and two family dwelling
R-4 Residential occupancy (residential care or assisted living)	Male 1 per 10		Female 1 per 8	–	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
	Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.			–	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150	1 service sink or laundry tray
S-1, S-2 Storage occupancy – storage of goods, warehouse, aircraft hanger, food products, appliances	Male 1: 1-100 2: 101-200 3: 201-400		Female 1: 1-100 2: 101-200 3: 201-400	–	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-200 2: 201-400 3: 401-750	–	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females.			–	Over 750, add 1 fixture for each additional 500 persons.		–	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray

Notes:

1The figures shown are based on one fixture being the minimum required for the number of persons indicated or any fraction thereof.

2A restaurant is defined as a business that sells food to be consumed on the premises.

(a) The number of occupants for a drive-in restaurant shall be considered as equal to the number of parking stalls.

(b) Hand-washing facilities shall be available in the kitchen for employees.

3The total number of required water closets for females shall not be less than the total number of required water closets and urinals for males.

4For each urinal added in excess of the minimum required, one water closet shall be permitted to be deducted. The number of water closets shall not be reduced to less than two-thirds of the minimum requirement.

5Group lavatories that are 24 lineal inches (610 mm) of wash sink or 18 inches (457 mm) of a circular basin, where provided with water outlets for such space, shall be considered equivalent to one lavatory.

6Metering or self-closing faucets shall be installed on lavatories intended to serve the transient public.

7Occupant loads over 30 shall have one drinking fountain for each 150 occupants.

8Drinking fountains shall not be installed in toilet rooms.

9When the design occupant load is less than 10 persons, a facility usable by either sex may be approved by the building official.

10Any category not mentioned specifically or about which there are any questions shall be classified by the building official and included in the category which it most nearly resembles, based on the expected use of the plumbing facilities.

(3) Section 603.2 of the U.P.C. is amended by the addition of the following at the end of that section:

All persons who service, test or install devices on assemblies as required by this section shall enroll in and use the approved single-point repository service to file records of all required inspections, tests and maintenance. The repository service is maintained and provided to the city’s water division through a third party reporting system. Fees, as applicable, shall be paid directly by such persons to the approved single-point repository service vendor.

(4) Amendment. Section 1208.1 of the U.P.C. shall be amended by the addition of Section 1208.1.2, Piping system requirements, which shall read as follows:

In addition to the requirements of this code for gas piping, the facilities and piping for use with liquefied petroleum gas shall meet the following requirements:

1. Liquefied petroleum gas piping shall not serve any gas fired appliance located in a pit or basement where heavier than air gas might collect to form a flammable mixture.

2. Pipe joint compounds used on threaded connections shall be insoluble in liquefied petroleum gas.

3. Every valve and appurtenance used on such piping shall be designed and approved for use with liquefied petroleum gas.

4. Relief valves shall discharge to the exterior of the building into the air and shall be located at least five feet horizontally away from any opening into a building that is below the discharge opening.

(Ord. 1953 §§ 2, 3, 2022; Ord. 1879 § 1, 2018)

Chapter 19.14PLUMBING CODE

19.14.010 Uniform Plumbing Code adopted.

Chapter 19.14
PLUMBING CODE