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2703.6 License required: A permit shall be issued only to a person who has a currently valid <br />electrical contractors license, electrical maintenance license, electrical industrial license, or electrical <br />communications contractor license, duly issued by the Building Commissioner of St. Louis County, <br />Missouri, or to a homeowner for work to be performed under a homeowner's permit. <br /> <br />(CHAPTER 28 MECHANICAL EQUIPMENT AND SYSTEMS) <br /> <br />(SECTION 2800.0 GENERAL) <br /> <br />2801.2 Mechanical code: All mechanical equipment and systems shall be constructed, installed and <br />maintained in accordance with this chapter and the 2000 Edition of the ICC International Mechanical <br />Code listed in Chapter 35. <br /> <br />(SECTION 2810.0 ADDITIONAL REQUIREMENTS) <br /> <br />2810.1 Boiler room security: Every boiler or combination boiler shall be located in an enclosed <br />area designed to prevent unauthorized entry, secured with a locked door openable from the inside <br />without the use of a key. Storage or living quarters shall not be permitted in any enclosure for a <br />boiler or similar heating equipment. <br /> <br />Exception: Heating boilers located in buildings of Use Group R-3 and Use Group R-2 <br />containing six or fewer dwelling units. <br /> <br />2810.2 Mechanical draft system exhaust termination: The termination of mechanical draft system <br />chimneys or vents equipped with power exhansters shall be located a minimum o f 10 feet (304 mm) <br />from the lot line or from an adjacent building on the same lot. The exhaust shall be directed away <br />from the building. <br /> <br />2810.3 Kitchen exhaust system cleaning schedule: A cleaning schedule shall be maintained by the <br />owner or occupant for every commercial kitchen exhaust system. The schedule shall indicate <br />methods of cleaning and the time interval between cleaning. <br /> <br />2810.4 Boiler shutoffvalves: Every boiler, including a single low-pressure steam boiler, or battery <br />of modular units, shall have a shutoffvalve in the supply and return piping. For multiple boilers or <br />battery of modnlar unit installations, each boiler or battery of modular units shall have individual <br />shutoff valves in the supply and return piping. <br /> <br />2810.5 Periodic inspections: All boilers and pressure vessels shall be inspected by the Missouri <br />Department of Public Safety, Division of Fire Safety, Boiler/Pressure Vessel Unit as provided by <br />state statutes. <br /> <br />22 <br /> <br /> <br />