The provisions of the 2018 International Plumbing Code are amended, deleted, or corrected as follows and the following provisions shall supersede the part of the text of the 2018 International Plumbing Code as indicated:
(1) Strike Chapter 1 in its entirety and substitute "Chapter 1 – Construction Code Administrative Provisions".
(2) In section 202 in the definition of "Code Official" strike "The officer or other designated authority charged with the administration and enforcement of this code, or a duly authorized representative" and substitute "The Director of Inspections and Permits, or duly authorized representative, charged with the administration and enforcement of this Code".
(3) After section 301.3, insert:
"301.3.1 Abandonment of cesspools, septic tanks, and privies. No cesspool, septic tank, privy, or other means of private sewage disposal shall be permitted wherever a sewer under public ownership adjoins the property in question, and each and every existing cesspool, privy, or other means of private disposal shall be eliminated or left in a condition satisfactory to the County Department of Health. Abandonment shall be completed in accordance with the County Private Sewage Disposal and Well Code."
(4) After section 301.4, insert:
"301.4.1 Private well abandonment. Whenever a public water connection is provided for a property previously served by a well, the property owner shall be responsible for abandoning and closing the well in accord with the requirements of COMAR, 26.04.04.11. No well for household use shall be constructed on a property accessible to a public water main."
(5) After section 303.1, insert:
"303.2 Piping system identification. In commercial buildings or structures with multiple piping systems, all wastewater, stormwater, and grease lines shall be identified using stenciling or commercially available pipe labels. The labels shall indicate the pipe contents and the direction of flow. The interval of identification markings shall not exceed 25 feet."
(6) In section 305.4, strike "and not less than 12 inches (305 mm) below grade".
(7) In section 305.4.1, in the first sentence, strike "[Number] inches (mm)" and substitute "12 inches" and, in the second sentence, strike "[number] inches (mm)" and substitute "18 inches".
(8) After section 306.4, insert:
"306.5 Tracer wire. Nonmetallic sanitary sewer and nonmetallic water supply piping that connects to public systems shall be locatable. An insulated copper tracer wire, 10 AWG minimum in size and suitable for direct burial or an equivalent product shall be utilized. The wire shall be installed in the same trench as the sewer or water supply piping within 12 inches (305 mm) of the piping and shall be installed from within five feet of the building wall to the point where the building sewer or water supply system connects with the public system. At a minimum, one end of the wire shall terminate above grade in an accessible location that is resistant to physical damage, such as with a cleanout or at the building wall."
(9) In section 309.2, strike "3. Covers on potable water wells shall be sealed, except where the top of the casing well or pipe sleeve is elevated to at least 1 foot (305 mm) above the design flood elevation."
(10) After section 403.5, insert:
"403.6 Public swimming pools and spas. Public swimming pools and spas shall conform to this Code and the requirements set forth in COMAR, 10.17.01 and Article 11, Title 14, of the County Code."
(11) In section 410.4, delete "not more than 50 percent of".
(12) After section 504.7.2, insert:
"504.8 Thermal expansion. Thermal expansion shall be provided for all closed potable water systems.
504.8.1 Non-pressurized expansion tanks. Non-pressurized expansion tanks shall be securely fastened to the structure and supported to carry twice the weight of the tank filled with water. Provisions shall be made for draining non-pressurized tanks without emptying the system.
504.8.2 Pressurized expansion tanks. Pressurized expansion tanks shall be consistent with the volume and capacity of the system. Tanks shall be capable of withstanding a hydrostatic test pressure of 2 1/2 times the allowable working pressure of the system.
504.8.3 Minimum capacity. The minimum capacity of expansion tanks shall be determined from the manufacturer's specifications."
(13) In section 602.3.3, strike "connection to the plumbing system" and substitute "the issuance of the certificate of occupancy".
(14) After section 605.3, insert:
"Underground water service piping for public water systems shall be Type L copper. Private water service piping shall be Type K underground and Type L for above ground installations."
(15) After section 605.4, insert:
"Section 605.4.1 Under concrete slabs. Inaccessible water distribution piping under slabs shall be copper water tube minimum Type L for public water systems and Type K for private water systems, brass, ductile iron pressure pipe, galvanized steel pipe, chlorinated polyvinyl chloride (CPVC) or crosslinked polyethylene (PEX) plastic pipe or tubing - all to be installed with approved fittings or bends. The minimum pressure rating for plastic pipe or tubing installed under slabs shall be 100 PSI at 180°F (689 KPA at 82°C)."
(16) Strike section 608.18 in its entirety.
(17) In section 701.2, strike "International Private Sewage Disposal Code" and substitute "the Anne Arundel County Private Sewage Disposal and Well Code".
(18) After section 712.4.2, insert:
"712.4.3 Structures. Structures served entirely by pumping systems shall use alternating duplex pumping equipment with an integral alarm system."
(19) In section 903.1 insert "6" in the space indicated and strike "(mm)".
(20) After section 1003.3.8, insert:
"1003.3.9 Location. All grease interceptors shall be located outside the building served and shall be accessible for servicing."
(Bill No. 1-12; Bill No. 123-15; Bill No. 60-20)