(a) House lines in building shall comply with the Standard for Welded and Seamless Wrought-Steel Pipe, American National Standards Institute B36.10-75.
(b) All pipe fittings except stopcocks and valves shall be malleable iron and, except for stopcocks, valve couplings and unions, shall be of the banded or beaded type.
(c) Running threads, right and left couplings, bushings, cast iron fittings, solder type fittings or connections shall not be used.
(d) When unions are used they shall be of the ground joint type and shall be center punched to prevent loosening.
(e) Handle type stopcocks or hard seat valves shall be used and all valves requiring packing shall be packed with asbestos material.
(f) House piping and fittings shall be clear and free from cutting burrs and defects in structure or threading. Pipe dope or thread lubricant shall be used sparingly and on male threads only.
(g) All house pipes shall be securely supported by means of straps or hooks of permanent material to ceilings and walls and all strains on piping eliminated.
(h) House piping shall not be laid in a concrete floor slab. Where the house lines are laid under a concrete floor slab, the lines shall be cased from a point six inches beyond line entry to a point two inches above the floor for each riser.
(i) House piping shall not be run in or through an air duct, clothes chute, chimney or flue, ventilating duct, dumb waiter or elevator shaft. Bends in pipe shall not be permitted.
(j) When installing house piping, which shall be concealed in partitions, the number of fittings shall be kept to a minimum. Unions and swing joints made of combinations of fittings shall not be used.
(k) When welding is used, the welding procedures and the quality of welding shall conform to the procedures and processes in Pressure Piping Systems Code 4101:8 of the Ohio Administrative Code for welds on piping systems intended to operate at less than twenty percent of the specified minimum yield strength.
(l) When a semirigid tubing connector or a connector of flexible metal tubing and fittings is used, it shall connect to a solid pipe outlet in the same room as the appliance. The length of the connection shall not exceed six feet and it shall be installed so as to be protected against mechanical injury. For water heaters the connection shall not exceed two feet.
(m) House pipe outlets shall be far enough from walls and floors and shall project far enough from them to permit the use of a pipe wrench of suitable size without straining or bending the pipe. All outlets shall be securely capped or plugged.
(n) No connection shall be made between a gas line and any water line, air line or any other line carrying a fluid or gas other than that in the gas company's mains. No regulator shall be installed to control the flow of gas which has gas on one side of the diaphragm and water, steam or air at more than atmospheric pressure on the other side.
(o) House piping to an appliance shall not be less in size than the manifold size or connection at the appliance. Piping and fittings to a central heating furnace or boiler shall not be less than one and one-fourth inches. The drop line to the equipment shall be no less than the size of the manifold.
(p) No house piping smaller than three-fourths of an inch shall be approved except for supplying small incidental heaters, Bunsen burners, refrigerators and clothes driers.
(q) In remodeling or extending existing house piping, connections shall be made so that sizes can be maintained in accordance with the provisions of this section. Where sizes cannot be maintained from existing house piping, extensions shall be supplied by a separate line of pipe from the meter.
(r) A valve or stop shall be installed ahead of each gas-burning appliance. The valve or stop shall be placed in an accessible position.
(s) Unless otherwise specifically provided in this section, house lines laid outside of a building shall be installed, constructed, altered and repaired in accordance with the provisions of Section 1333.03, from the meter setting outlet through the foundation or floor of such building. (Ord. 412. Passed 3-23-59.)