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! 4715.5000 SCOPE AND APPLICABILITY. tor, who has demonstrated practical knowledge of water condi- tioning installation and servicing. Parts 4715.5000 to 4715.6000 prescribe minimum standards and procedures for all water conditioning installations and servicing Subp. 10. Water distribution system. "Water distribution sys- in single-family dwellings. Any person who installs or services tem" means a water supply system as defined in the Minnesota water conditionina equipment, whether or not such person is li- Plumbing Code(part 4715.0100). censed pursuant to Minnesota Statutes 1978, sections 328.57 to 328.66,must comply with the standards and procedures prescribed STAT AUTH: MS s 326.60 in parts 4715.5000 to 4715.6000,and with the applic�ble provi- 4715.5200 CONNECTION WITH WATER sions of the current version of the Minnesota Plumbing Code, parts 4715.ot00 to 47t5.2860. DISTRIBUTION SYSTEM. STAT AUTH:MS s 326.60 Any water conditioning equipment may be instalied only in con- nection with a water distribution system which has already been 4715.5100 DEFINITIONS. constructed. Such connection may be made either by cutting into a coid water line or by connecting to a joint specifically installed Subpart 1. Commissioner. "Commissioner"means the commis- for the purpose. In connecting the equipment the conuactor or ' sioner of health. installer may use only the type of pipe material which is permit- ted in the Minnesota Plumbing Code (parts 4715.0100 to Subp.2. Disinfect. "Disinfect"means to destroy pa[hogenic bac- 4715.2860). teria and other harmful organisms. Every installation shall include the installation of a bypass valve Subp. 3. Installation. "Installation" as defined in Minnesota Which would allow the equipment to be serviced or removed with- Statutes 1978,section 326.61,subdivision I includes: out the need for shutting off the water service completely. A. the connection of any water conditioning equipment to If the homeowner so requests,the installer or contractor is permitted an existing water distribution system; to install a line which bypasses the water conditioning ec�uipmen[ and to connect this raw water line to any existing service outlet. B. the connection of the line canying conditioned water to a water distribution system,or raw water to points not needing con- STAT AUTH: MS s 326.60 ditioned water; 4715.5300 EQUIPMENT DRAIN. C. the connecting of drain and overflow iines which drain the equipment;and The equipment drain line shall drain into the existing receptor such as a floor drain or laundry tub. No drain or overflow line D. the providing of an air gap between the drain and over- leading from the equipment sh�ll be directly connected to any flow lines and the receiving building receptor. receptor. Between the delivery end of the drain or overflow Iine and the receptor, there must be an air gap which is at least two Subp.4. Raw water. "Raw water" means water which has not times the diameter of the drain or overflow line, but in no case passed throu�h any water conditioning equipment. shall the air gap be less than 1.5 inches. This air gap distance shall apply above the flood level rim of the receiving fixture to Subp.5. Receptor. "Receptor"means an open,accessible,indi- provide the required air gap. If flexible drain line is used,it must vidual waste si�k, floor drain, or other fixture which is trapped be secured in some manner to prevent its being accidentally moved. and vented in accordance with the Minnesota Plumbing Code (parts 4715.0100 to 47152860). STAT AUTA: MS s 326.60 Subp.6. Servicing. "Servicing"means repairs or adjustments to 4715.5400 LOCATION. any water conditionin=installations. Any water conditioning equipment and the pipina necessary to in- Subp. 7. Water conditioning contractor. "Water conditioning stall such equipment shall not be placed in such a location or man- contractor" means the person in a firm or corporation who has ner so as to interfere with the normal operation of existing windows, demonstrated skill in planning, superintending, installing, and doors, or other exits or openings, nor shall it be located in such a servicing water conditioning installations. place so as to make other existing equipment inaccessible. Subp. 8. Water conditioning equipmen� "Water conditioning STAT AUTH: MS s 326.60 equipment" (equipment)means any appliance,appurtenance,or fixture designed to treat water, so as to alter, modify, add,or re- move any minerals,chemicals,or bacteria contained in water. Subp.9. Water conditioning installer. "Water conditioning in- s[aller" means a person,other than a water conditioning contrac- 1?':