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93-9571 Water Sewers— Salina. Ka—, (Published in The Salina Journal June W, 1993) ORDINANCE NUMBER 93-9571 AN ORDINANCE ENACTING ARTICLE II, DIVISION 4 OF CHAPTER 41 OF THE SALINA CODE REGULATING CROSS CONNECTIONS BETWEEN THE PUBLIC WATER SUPPLY OF THE CITY OF SALINA AND ANY OTHER WATER OR ANY SUBSTANCE OF QUESTIONABLE OR UNKNOWN QUALITY, OR ANY SUBSTANCE WHICH WOULD TEND TO DEGRADE THE PUBLIC WATER SUPPLY. Kansas: BE IT ORDAINED by the Governing Body of the City of Salina, Section 1. That Article II, Division 4 of Chapter 41 of the Salina Code is hereby enacted to read as follows: "ARTICLE II. WATER DIVISION 4. WATER CROSS CONNECTIONS "Section 41-70. Purpose. The purpose of this division is to protect the public water supply system of the City of Salina from contamination due to backflow from any cross connection; to prohibit and eliminate all cross connections between a private water supply and the public water supply; and to provide for the maintenance of a continuing effective cross connection control program. This program shall include regularly scheduled inspections to detect and eliminate certain cross connections as well as to prevent any future backflow from other regulated cross connections. The Permits and Inspection Division of the City of Salina shall be responsible for conducting the cross connection control program. "Section 41-70.1 Definitions. "Section 41-70.1(1) . Air Gap. The unobstructed vertical distance at least twice the diameter of the supply line and no less than one inch, through the free atmosphere, between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture, or other device and the flood level rim of a receptacle. "Section 41-70.1(2) . Approved Device. Devices tested and accepted by a recognized testing laboratory approved by the Kansas Department of Health and Environment and the Permit and Inspection Division. "Section 41-70.1(3). Backflow. The flow of water or other substances into the distribution system of a potable supply of water from any source other than its intended source. Backsiphonage is one type of backflow. "Section 41-70.1(4).Backflow Preventer. A device or means to prevent backflow. "Section 41-70.1(5). Backsiphonage. The flowing back of contaminated or polluted substances from a plumbing fixture or any vessel or source into the potable water supply system due to negative pressure in said system. "Section 41-70.1(6) . Chemigation. Any process whereby pesticides, fertilizers or other chemicals or animal wastes are added to the potable water system for the purpose of application to land, crops, lawns, greenhouse vegetation or land vegetation through an irrigation system. Kansas "Section 41-70.1(7). Contaminant. Any substance that upon entering the potable water supply would render it a danger to the health or life of the consumer. "Section 41-70.1(8). Cross Connection. Any physical connection or arrangement between two otherwise separate piping systems, one of which contains potable water and the other which contains water or any substance of unknown or questionable quality whereby there may be flow from one system to the other. "Section 41-70.1(9). Double Check Valve Assembly. A device consisting of two internally loaded soft seated check valves with positive shut-off valves on both upstream and downstream ends, and properly located test ports. "Section 41-70.1(10) . Dual Check Valve. A device consisting of two internally loaded soft seated check valves. This device does not contain test ports and is acceptable for use only at the meter of residential customers. "Section 41-70.1(11). Dual Check Valve with Atmospheric Vent. A dual check valve with an atmospheric vent which, in the event of failure of the downstream check valve, vents leakage into the atmosphere through the vent port. This device is suitable for use with residential boilers, sterilizers, processing tanks, and dairy equipment. "Section 41-70.1(12) . Free Water Surface. A water surface at atmospheric pressure. "Section 41-70.1(13). Flood Level Rim. The edge of the receptacle from which water overflows. "Section 41-70.1(14). Frost Proof Closet. A hopper with no water in the bowl and with the trap and water supply control valve located below frost line. "Section 41-70.1(15). Irrigation System. Any device or combination of devices having a hose, pipe or other conduit which connects directly or indirectly to the City water system, through which water is drawn and applied to land, crops, lawns, greenhouse vegetation or land vegetation. The term does not include any hand held hose sprayer or other similar device. "Section 41-70.1(16). KDHE. The Kansas Department of Health and Environment. "Section 41-70.1(17) . Overhaul. To examine thoroughly, with a view to repairs. "Section 41-70.1(18). Permits and Inspection Division. The agency of the municipal government vested with the responsibility for enforcement of the cross connection ordinances. "Section 41-70.1(19). Person. Any individual, partnership, copartnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity, or any other legal entity or their legal representatives, agents or assigns. The singular shall include the plural where indicated by the context. "Section 41-70.1(20) . Plumbing. The practice, materials and fixtures used in the installation, maintenance, extension and alteration of all piping fixtures, appliances and appurtenances. "Section 41-70.1(21) . Pollution. The presence of any foreign substance (organic, inorganic or biological) in K- -Co, Printing — Swine. Kansas water which tends to degrade its quality so as to constitute a hazard or impair the usefulness or quality of the water to a degree which does not create an actual hazard to the public health but which does adversely affect the water quality. "Section 41-70.1(22). Private Water Supply. All water supplies other than the public water supply system of the City of Salina. "Section 41-70.1(23). Reduced Pressure Zone Backflow Preventer. An assembly of two independently acting soft seated approved check valves together with a hydraulically operating differential pressure relief valve located between the check valves and at the same time below the first check valve. The unit shall contain properly located test cocks and resilient seated shut-off valves at each end of the assembly. To be approved these assemblies must be accessible for inspection and testing and be installed in an above ground location where no part of the assembly will be submerged. "Section 41-70.1(24). Tester. A trained technician licensed by the City Clerk upon approval of the Permit and Inspection Division to perform testing and repair of backflow preventers. "Section 41.70.1(25). Vacuum. Any absolute pressure less than that exerted by the atmosphere. "Section 41-70.1(26) . Vacuum Breaker. A device that permits entrance of air into the water supply distribution line to prevent backsiphonage. "Section 41-70.1(27) . Water, Potable. Water free from impurities in amounts sufficient to cause disease or harmful physiological effects. It's quality shall conform to KDHE requirements for public water supplies. "Section 41-70.1(28) . Water, Non potable. Water that is not safe for human consumption or that is of questionable potability. "Section 41-70.2. Prohibited cross connections. (a) Private Water Supplies. No person shall establish or permit to be established or maintain or permit to be maintained, any cross connection whereby a private water supply may enter the public water supply system of the City of Salina. (b) Chemigation. No person shall apply any substance by the chemigation process through an irrigation system as defined in this division. "Section 41-70.3. Regulated cross connections. Cross connections made in the following installations shall be regulated in the following manner: (1) Boilers. Potable water connections to boiler feed water systems in which boiler water conditioning chemicals are or can be introduced shall be made through an air gap or through a reduced pressure zone backflow preventer located in the potable water line before the point where such chemicals may be introduced. (2) Refrigeration Unit Condensers and Cooling Jackets. Except when potable water provided for a refrigeration condenser or cooling jacket is KMn-Cow Printing — Salina Kansas _ entirely outside the piping or tank containing a toxic refrigerant, the inlet connection shall be provided with an approved backflow preventer. Heat exchangers used to heat water for potable use shall be of the double wall type. (3) Cross Connections not subject to backpressure. Where a water cross connection is not subject to back pressure, a vacuum breaker shall be installed on the discharge side of the last valve on the line serving the fixture or equipment. A list of some conditions requiring protective devices of this kind are given in the following table: Partial list of cross connections not subject to back pressure. a. Aspirators and ejectors b. Commercial dish washing machine C. Commercial laundry machine d. Dental units e. Garbage can cleaning machines f. Flush tanks g. Hose bibs h. Hose outlets i. Lawn sprinkler j. Steam tables k. Tank and vats 1. Trough urinals (4) Cross Connections subject to backpressure. Where a potable water cross connection is made to a line, fixture, tank, vat, pump, or other equipment with a hazard of backflow where the water cross connection is subject to backpressure, an air gap shall be installed. Where an air gap cannot be installed, the Permits and Inspection Division may require the use of an approved reduced pressure zone backflow preventer. . A partial list of such connections is shown in the following table: Partial list of cross connections subject to back pressure: _ a. Chemical lines b. Dock water outlets C. Fire sprinkler systems d. Hose bibs (where hose use is above free water surface) e. Individual water supplies f. Industrial process water lines g. Pressure tanks h. Pumps Kinn-Cox Printing — Safina, K-11 i. Steam lines j . Swimming pools k . Tanks and vats - bottom inlets. (5) Other Cross Connections. Connection to the public potable water supply system for the following is prohibited unless properly protected by the appropriate backflow prevention device. a. Bidets b. Operating, dissecting, embalming, and mortuary tables or similar equipment -in such installations the hose used for water supply shall terminate at least twelve (12) inches away from every point of the table or attachments. C. Pumps for non potable substances. Priming only through an air gap. d. Building drains, sewers, or vent systems e. Commercial buildings or industrial plants manufacturing or otherwise using polluting or contaminating substances. f. Irrigation systems. g. Any fixture of similar hazard. "Section 41-70.4. Protective backflow preventers required. (a) Approved devices to protect against backflow shall be installed at all existing and newly installed fixtures and equipment where, in the judgment of the Permit and Inspection Division, backflow may occur and where there is a hazard of contamination of the public water supply system. If in the judgment of the Permit and Inspection Division an approved backflow prevention device is required, or if previously installed backflow prevention devices do not meet current requirements, the Building Official or his agent will give notice in writing to the customer to install the proper device. The customer shall immediately install the proper device at the customer's expense. Failure to comply shall be grounds for discontinuing water service to the customer until the device is properly installed. (b) The type of protective device required under this division shall be determined by the degree of hazard which exists as follows: ( 1) Premises having water or substances which would be non hazardous to the health and well being of the consumers shall protect the public system with no less than an approved double check valve assembly. ( 2) Premises where material dangerous to health is handled in a manner which creates an actual or potential hazard shall protect the public system by an approved air gap or an approved reduced pressure zone backflow prevention assembly. ( 3) Premises where cross connections are uncontrolled shall protect the public water supply installing an approved air gap or an approved reduced Kansas pressure zone backflow prevention device at the service connection. ( 4) Premises where because of security requirements or other prohibitions it is impossible to complete an in plant cross connection inspection, the public system shall be protected by an approved air gap or an approved reduced pressure zone backflow prevention assembly. (c) Premises which may fall into one or more of the above mentioned categories may be, but are not limited to the following: ( 1) Beverage bottling plants ( 2) Buildings - hotels, apartments, public or private buildings, or other structures having actual or potential cross connections. ( 3) Car wash facilities ( 4) Chemical manufacturing, handling, or processing plants. ( 5) Chemically contaminated water. ( 6) Dairies and cold storage facilities. ( 7) Film or photography processing laboratories. ( 8) Fire systems ( 9) Hospitals, medical centers, morgues, mortuaries, autopsy facilities, clinics, or nursing and convalescent homes. (10) Laundries (11) Metal cleaning, processing, or fabricating plants (12) Oil and gas production, storage, or transmission facilities. (13) Packing or food processing plants. (14) Paper and paper products plants. (15) Power plants (16) Radioactive materials plants facilities (17) Restricted or classified facilities (18) Rubber plants (19) Sand, gravel, or asphalt plants. (20) Schools or colleges (21) Solar heating systems or handling (22) Temporary service - fire hydrants, air valves, blow -offs and other outlets. "Section 41-70.5. Installation of approved devices. When required, approved devices shall be installed by a contractor licensed to make the installation by the City of Salina in accordance with the manufacturer's instructions, any applicable Permits and Inspection — Salina, Kansas Division regulations, and the Uniform Plumbing Code or any other applicable local, state or federal laws. The owner of an owner -occupied single family residence may personally install the approved devices in the owner's residence without a license, but shall not be exempt from any required permits and inspections. Backflow and backsiphonage devices of all types shall be in an accessible location. Installation in pits or any other location not properly drained shall be prohibited, unless dual check valves are installed in the meter box. Atmospheric vacuum breakers shall be installed with the critical level at least six inches above the flood rim of the fixture they serve and on the discharge side of the last control valve to the fixture. No shut off valve or faucet shall be installed beyond the atmospheric vacuum breaker. Pressure vacuum breakers shall be installed with the critical level at least twelve inches above the flood rim but may have control valves down stream from the vacuum breaker. For closed equipment or vessels such as pressure sterilizers the top of the vessel shall be considered the flood level rim and a check valve shall be installed on the discharge side of the pressure vacuum breaker. "Section 41-70.6. Testing, maintenance and repair of approved devices. It shall be the responsibility of building and premise owners to maintain all backflow preventers and vacuum breakers within the building or on the premises in good working order and to make sure no piping or other arrangements have been installed for the purpose of bypassing the backflow devices. The Permits and Inspection Division will set appropriate testing and overhaul schedules for such devices. Testing intervals shall not exceed one (1) year and overhaul intervals shall not exceed five (5) years for devices located within a building or on premises having a high degree of hazard. A building or premises having a low degree of hazard, including but not limited to one and two family dwellings, shall not be subject to testing and overhaul requirements. Section 41.70.7. Qualified technicians. Testing and overhaul of all backflow preventers and vacuum breakers shall be made by qualified technicians. Qualified technicians are those technicians who have completed a Kansas Department of Health and Environment approved training course and have passed a written examination such as the American Backflow Prevention Association device testers examination. Upon approval of the Permits and Inspection Division, the City Clerk shall license the device testers after ascertaining the technician meets the above qualifications. "Section 41-70.8. Inspection. The Permits and Inspection Division or other designate of the City Manager of the City of Salina shall have the right of entry into any building or premises in the City as frequently as necessary in order to ensure that plumbing has been installed in a manner as to prevent the possibility of contamination of the public water supply system of the City of Salina, Kansas. "Section 41-70.9. Protection from contaminants. Pursuant to its Home Rule Authority and K.S.A. 65-163a, the City of Salina, may refuse to deliver water to any premises where a condition exists which might lead to Kinn -Cox P,ntinq — Salina, Kansas _.. the contamination of the public water supply system and may continue to refuse to deliver water until the condition is corrected to the satisfaction of the City. In addition, the City may immediately terminate water service to a premises where a backflow condition exists which may be hazardous to the health of customers served by this public water supply system of the City of Salina." Section 2. This ordinance shall take effect and be in force from and after its adoption and publication once in the official city newspaper. Introduced: May 24, 1993 Passed: June 7, 1993 Peter F. Brungardt, Mayor [SEAL] ATTEST: Jacq�ieline Shiever, CMC City Clerk