Las Vegas City Ordinances, July 18, 1911 to March 31, 1933, lvc000013-55

shall be made with pig lead and oakum and throughly caulked. Eight: All vents pipes and their fittings must be either cast iron, or wrought iron or standard weight or extra heavy. All vents and extensions above the highest fixture, if cast iron, may be standard pipe. Ninth: All vertical stacks or soil and waste pipes shall be provided with a brass trap screw ferrule at the foot and also in other places where the inspecting officer may think necessary. The screw ferrule shall be the same diameter as the waste stack or lateral run. All changes of direction of soil or water pipes shall be made with full Y branches and one eight bend; sanitary T's shall not be used except in perpendicular stacks. All clean outs shall be extended to outside of walls of some convenient point satisfactory to the Plumbing Inspector. Tenth: All connection between lead piping shall be joined by wiped joints, connections between soil pipes and lead or wrought iron pipe and lead, shall be made with brass ferrules or brass solder nipples, their joints shall be wiped. Bolted or copper bit, cup or flush solder joints arc prohibited in all cases. Eleventh: Waste pipes in all cases shall be of lead, or cast iron, of the following sizes: for bath tubs, laundry trays, urinals, wash basins, each not less than one and one half inches, a sink two inches and to have clean out plug slop hoppers not less than two inches. A water closet placed in an isolated building shall be vented by a pipe the top of which is not less than fifteen feet above the ground. Twelfth: All traps and vents shall be the same size as the wastes, provided that if more than one fixture shall be vented, the size of such pipe snail be as follows: for mere than one and not exceeding two fixtures, one and one-half inches; for more than two and not exceeding eighty two inches; for more than eight and not exceeding twelve, two and one half inches, for more than twelve and not exceeding twenty three inches. Thirteen: Crown vent pipes from water closets, slop hoppers or slop sink shall not be less than two inches, and where more than one water closet, slop hopper, or slop sink is vented through the same pipe the size shall be as follows: For more than one and not to exceed four closets, slop hoppers or slop sinks, two inches; for more than four and not to exceed eight, two and one half inches; for more than eight and not to exceed fourteen, three inches; for more than fourteen and not to exceed twenty four, four inches. Any vent pipe running in a horizontal direction shall not exceed fifteen feet in length, and shall have a fall of not less than one-quarter inch per foot. Fourteen: All vents shall rise perpendicular to six inches above fixtures to prevent backwater entering vents. In no case shall any fixture waste be erected in the bend of the trap. Fifteen: No private vault, cesspool, exhaust from engine or blow off from boiler shall be connected with a house drain or sewer. Sixteenth. Every water closet, sink, bath tub, basin or other fixture maintained within any house or building that are of bad or defective quality, and are removed and replaced with other fixtures of their representative class, shall have their traps vented in accordance with this ordinance. Seventeenth: All plumbing or house drainage work done replace any that may be condemned by the Board of health or the Board of City Commissioners or by the Plumbing inspector shall be considered as new work and constricted in conformity with the requirements of this ordinance; and no person or persons shall connect or cause to be connected any plumbing or house drainage work with any public sewer unless the said plumbing and house drainage work conforms to the requirements of this ordinance. Eighteen. No building other structure shall be used or occupied as a factory, laundry, tenement or lodging house or place on which or where human beings reside or work, unless such building is provided with one or more water closets, for every twenty-five occupants, workers employes or residents or fraction thereof, in such building or structure. There shall be separate water closets provided for two (2) sexes. Where vent pipes branch into one another, and where