North Dakota Administrative Code

A certificate and license issued under the provisions of this chapter is valid for not more than one year, beginning the first day of July and expiring on the thirtieth day of June of the following year. History: Effective February 1, 1996. General Authority: NDCC 43-18.2-02 Law …

1. State plumbing code defined. The board adopts, as the state plumbing code, the 2018 edition of the Uniform Plumbing Code published by the international association of plumbing and mechanical officials (IAPMO), to be known as the 2018 North Dakota Plumbing Code, including chapt…

The scope of this code excludes the development of specific standards related to any, all, or any combination of the composition, dimensions, or mechanical and physical properties of materials, fixtures, devices, and equipment used or installed in plumbing systems. The inclusion …

Repealed effective April 1, 2010.

The executive director and inspectors of the North Dakota state plumbing board, under the direction of the board, shall administer laws, rules, plumbing installation standards of this state, and the North Dakota Plumbing Code. In all cases when any action is taken by the executiv…

Any plumbing installation requiring inspection must have a plumbing installation certificate properly executed by the master or journeyman plumber in charge of the installation. The board shall have paper or electronic certificates for the person in charge of the installation. 1.…

Nothing in this article may be construed to prevent the application of local ordinances or other legal requirements. History: Effective March 1, 2000. General Authority: NDCC 43-18-09 Law Implemented: NDCC 43-18-09

Repealed effective April 1, 2020. 1

1. All sewage treatment systems shall be constructed, added to, or altered in accordance with this chapter. When a public or noncommunity sewerage system is deemed available to a premise used for human occupancy if such premise is within two hundred feet [60.96 meters], the appro…

1. Individuals or business contractors may be required by the administrative authority to have or obtain a license or permit to install individual onsite sewage treatment systems as described in this chapter. 2 2. Where required by administrative authority, installers of septic s…

1. Design. The design of the individual sewage treatment system must take into consideration location with respect to wells or other sources of water supply, topography, water table, soil characteristics, area available, and maximum occupancy of the building. 2. Type of system. T…

1. The minimum lot size in which a private treatment system may be installed is forty thousand square feet [3716.00 square meters]. Smaller lot sizes may be approved by the administrative authority if a centralized sewage treatment system is provided or the soil conditions presen…

When percolation tests are required, they must be made as follows: 1. Test hole dimensions and locations. Each test hole must be six inches [15.24 centimeters] in diameter, have vertical sides, and be bored or dug to the depth of the bottom of the proposed individual sewage treat…

When soil borings are required, they must be made as follows: 1. Each boring or excavation must be made to a depth at least three feet [0.91 meters] deeper than the bottom of the proposed system or until bedrock or a water table is encountered, whichever is less. 2. A soil textur…

1. Liquid capacity. The liquid capacity of all septic tanks shall conform to the tables contained in subsection 7 of section 62-03.1-03-03 and this subsection as determined by the number of bedrooms or apartment units in dwelling occupancies and the occupant load or the number of…

1. Use. A distribution box may be used when more than one line of absorption field or more than one seepagebed is used. 2. Connection. Each lateral line shall be connected separately tothe distribution box and shall not be subdivided. 3. Invert level. The inlet invert shall be at…

1. Design. Absorption trenches shall be designed and constructed on the basis of the percolation test results or other soil data. Trench bottom area required is shown in the table in subsection 4. The bottom of the trench shall be dug so it is dead level throughout its length. Th…

All piping from building drain to sewage treatment system shall be four inches [10.16 centimeters] or larger service schedule 40 acrylonitrile-butadiene-styrene or polyvinyl chloride plastic pipe, type PSP PVC sewer pipe SDR 3540 , and fittings A.S.T.M. D3033 or D3034, exclusive …

This section pertains to pumps installed after the septic tank. Sumps and ejectors installed before the septic tank must meet the requirements set forth in section 710.0 of the Uniform Plumbing Code. 1. Pumping chambers. a. The pumping chambers must be watertight and constructed …

1. Mounds. Mounds may be constructed on soils having a percolation rate faster than one hundred twenty minutes per inch [2.54 centimeters]. For soils slower than one hundred twenty minutes per inch [2.54 centimeters], either the system must be moved to more amenable soil or see s…

1. All requests for permission to erect and use chemical toilets shall be approved by the administrative authority. 2. Where approved by the administrative authority, chemical toilets shall be as follows: A chemical toilet consists of a toilet seat connected by a metal hopper to …

1. All requests for permission to erect and use privies shall be approved by the administrative authority. 2. General specifications for the design and construction of a privy. A privy pit must be constructed by providing a watertight structure in the pit. The watertight structur…

1. Every person engaged in the business of removing and disposing of the solid and liquid contents of private sewage treatment systems shall obtain an annual license from the department of environmental quality. 2. All solid and liquid contents of chemical toilets, septic tanks, …

For the purpose of this article, the following terms shall have the meaning indicated in this section. No attempt is made to define ordinary words which are used in accordance with their established dictionary meaning except where it is necessary to define their meaning as used i…

All plumbing materials and water conditioning systems or parts thereof installed hereafter shall meet or exceed the minimum provisions of this article and conform to national sanitation foundation, underwriters laboratories, or water quality association listed standards. History:…

1. Prohibited fittings. No running threads, bands, or saddles shall be used in the drainage system. No drainage or vent piping shall be drilled, tapped, burned, or welded. The provisions of this subsection may be waived by the administrative authority. 2. Obstruction to flow. No …

Where a health or safety hazard exists on a premise by reason of an existing installation, the owner or the owner's agent shall make such corrections as may be necessary to abate such nuisance and bring the water conditioning installation within the provisions of this article. Ge…

Any part of a building or premise which is changed, altered, or required to be replaced as a result of the installation, alteration, renovation, or replacement of a water conditioning system, or any part thereof, shall be left in a safe, nonhazardous condition. General Authority:…

Whenever the cold water distribution piping is used for grounding the electrical system it shall not be interrupted by a nonmetallic bushing, union, or valve unless an electrician licensed by the North Dakota electrical board installs a properly sized bonding jumper with approved…

Water conditioning systems shall be installed in workmanlike manner conforming to generally accepted good practice. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

1. Breakage. Pipes passing under or through walls shall be protected from breakage. Any plumbing pipe passing under a footing or through a foundation wall shall be provided with a relieving arch; or there shall be built into the masonry wall an iron-pipe sleeve two pipe sizes gre…

In exterior walls annular space between sleeves and pipes shall be filled or rightly caulked with coal tar, asphaltum compound, lead, or other material found equally effective and approved as such by the administrative authority. General Authority: NDCC 43-18.1-03 Law Implemented…

In or on buildings where openings have been made in walls, floors, or ceilings for the passage of pipes, they shall be closed and protected by the installation of approved metal collars securely fastened to the adjoining structure. General Authority: NDCC 43-18.1-03 Law Implement…

It shall be unlawful to sell, offer for sale, purchase, or install any used water conditioning material or equipment, unless it conforms to the standards and regulations set forth in this article. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

Any water conditioning equipment condemned by the administrative authority because of wear, damage, defects, or sanitary hazards shall not be used for water conditioning purposes. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

Every water conditioning unit, appliance, or appurtenance thereto which is to receive or discharge any liquid waste shall discharge to the sanitary drainage system of the building in accordance with the requirements of this article. General Authority: NDCC 43-18.1-03 Law Implemen…

Except where otherwise specified in this article, all measurements shall be made to the center lines of the pipes. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04 3

1. Minimum standards. Materials shall conform at least to the standards cited in this chapter, which shall be considered minimum standards, when used in the construction, installation, alteration, or repair of water conditioning systems or parts thereof, except that: a. The admin…

1. Existing buildings. In existing buildings or premises in which plumbing installations are to be altered, renovated, or replaced, such new materials and work shall meet or exceed the provisions of this article. Where the administrative authority shall find that the full perform…

Joints and connections in the water conditioning system shall be watertight for the pressure required by test. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

1. Threaded. Every threaded joint shall conform to the American National Taper Pipe Thread, ANSI B2.1-1960. All burrs shall be removed. Pipe ends shall be reamed or filed out to size of bore, and all chips shall be removed. Pipe joint compound shall be used only on male threads. …

Every joint from copper tube to threaded pipe shall be made by the use of brass or copper converter fittings. The joint between the copper pipe and the fitting shall be properly soldered, and the connection between the threaded pipe and the fitting shall be made with a standard p…

Unions in the water supply system shall be metal-to-metal with ground seats. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04 2

Hangers and anchors shall be securely attached to the building construction at sufficiently close intervals to support the piping and its contents. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

1. Threaded pipe standard pipe size - at every other story height. 2. Copper tube - at each story height but not more than ten foot [3.05 meter] intervals. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04

1. Horizontal pipe of the following materials shall be supported at not more than the distance intervals shown. 2. Steel threaded pipe - one-inch [2.54 centimeter] diameter or less - eight foot [2.44 meter] intervals. Over one-inch [2.54 centimeter] diameter - ten foot [3.05 mete…

Hangers, anchors, and supports shall be of metal or other material of sufficient strength to support the piping and its contents. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04