(a) Scope, Application and Intent of Chapter. This chapter shall govern the design, installation, alteration, removal, replacement and repair of the complete plumbing system in or about a dwelling house and its accessory structures, supplemented by other provisions of this Building Code and by the more restrictive requirements of any statute and the rules or regulations promulgated thereunder. It is the intent of this chapter to provide a properly designed and installed residential plumbing system. Where not covered in this Building Code, the plumbing equipment, materials and installation shall comply with the provisions of the Ohio Plumbing Code and/or regulations of the Ohio Department of Health and/or the County Board of Health (refer to Appendix A).
(b) Installations; Permits Required. Except for minor repairs, no drainage system, plumbing system or parts thereof shall be installed in or about a dwelling house without a separate permit therefor.
(c) Supervision by Qualified Installer Required. All plumbing work or systems, for which a permit is required, shall be done under the direct supervision of installers who are licensed and authorized to do such work under applicable provisions of registration, licensing or certificates of qualifications.
(d) Access and Service. Plumbing fixtures and equipment shall be installed in such a manner as to afford ready access for cleaning, service and replacement. All fixtures and equipment shall include in the water supply connection isolation valves to serve as an isolation means for disconnection, service and/or replacement. Unless otherwise approved by the Building Inspector, all pipes shall be run to the nearest wall.
(e) Design and Sizing Standards; Roof Penetration of Sanitary Vents.
(1) The plumbing system for a building shall be designed and all components sized in accordance with applicable codes, standards, regulations and accepted engineering practice. Accepted engineering practice means that calculations and design are in accordance with appropriate Engineering Society manuals and guidelines.
(2) System equipment capabilities, pipe sizing and physical arrangement shall be such as to meet usage requirements, function safely and properly, provide durability and operate at low noise levels.
(3) Systems shall be designed by a professional engineer registered in the State of Ohio, and the drawings submitted as part of the architectural building plans shall include the size and location of sewers, water distribution, gas and water service size and location, fixture location, and equipment type and capacity. Drawings shall also include an isometric or stack-type diagram of the sanitary sewer, waste and vent system.
(4) Roof penetration of sanitary vents shall be located on the rear or other portion of the roof that will conceal the vent and piping from the front approach and/or street side of the structure.