The copper era and Morenci leader., 1920-08-20

rules A separate vent shall be con- nected on each side ol all running traps. These vent pipes shall be of cast iron when in the ground and of the weights specified in this ordinance and of not less than three inches in- ternal diameter. The vent pipe on the sewer side of a running trap shall be carried up to at least six inches above the highestpart of the main roof. The vent pipe on the house side of a run ming trap may terminate above the ground at any point not less than eight feet from any door, window or air shaft.
 VE ENTS
 Sec. 6. (a) All vent pipes shall be the same size as the waste pipe it vents.
 .(b) No vent shall terminate. direct ly below or within eight feet of any window, door or airshaft
 (c) All vents shall be taken off above the water seal of the trap serv- ed by such vents except in the case of water closets, pedestals slop sinks and pedestal urinals. &
 (d) In no case shall the water seal of any trap be located mere than two and oae half feet from the per pndicular> vent which serves such trap. -.v -
 (e) All vents, when possible. shall be run on an angle of not less than (60) sixty degrees where practical.
 (f) Where horizontal vent pipes have to be used,, they shall have a rise of one quarter inch per foot and be not over fifteen feet in length in the aggregate of horizontal portions thereof.
 (g) In every building having a water closet there shall be at least one four-inch stack running from the sewer to and through the roof When there be but one closet such stack may vent such closet provided the closet be not set at greater distance than two and one-haff feet from the stack. If set at greater distance a two inch vent shall be taken of and conducted through the roo ito the outer air or into the main stack. If there be more than one closet, each shall be vented, except the highest closet provided such highest closet be not more than two and one-han feet from the stack In such case the stack may vent the highest closet, when two ol more one and one-half inch wastes from small fixtures on lower fiorr ana properly vented with one and one half inch pipe, enter soil bend with | in eighteen inches of closet open ing it shall not be necessary to agaiI revent the bend with the two incl vent hereinbefore required. | (h) Where galvanized vents con meet by means of lead caulked joint, into cast iron fittings of a greater diameter, the vents shall have tn, coupling screwed before caulked t such pipe fittings. 'p l (D The term Branch :vents' al used in this section shall be deeme, to mean all the vent pipes located I between the fixtures served and tn, point where such branch vents joil and intersect the main vertical ven or run through the roof to the oute air. n
 (j) All branch or special vent { within a radius of twelve feet ma, converge into one pipe, or such vent 1 may be conducted into the main stacl not less than two feet above 'th' highest fixture in the system. Tn | LII duCu ultlu6S ouoii uC hOI iOoo Shoi I three feet from the floor line. (k) No f1ue of whatever kind shal 1 be used as sewer ventilator or t. ventilate any trap. drain or vast pipe. Rainwater leaders or celia drains shall not be connected witt : any soil pipe or. waste pipe except b, special permission from the Mayo and Common Council
 CD Vent branches, inverted Y s 0 plain T's may be used in opening lief