The copper era and Morenci leader., 1920-09-03

roof at any point not less than eight feet from any door, window or air shaft.
 WE 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.
 Co 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 one half feet from the per pendicular vent which serves such trap.
 (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 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 a greater distance I than two and one-half feet from the l stack < If set at greater distance a | two inch vent shall be taken off and
 conducted through the roof to 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-hah feet from 1 the stack. In such case the stack may
 vent the highest closet. When two or
 more one and one-half inch wastes
 from small fixtures on lower floors, ! properly vented with one and one. | half inch pipe, enter a soil bend with in eighteen inches of a closet open ing it shall not be necessary to again
 revent the bend with the two inch vent hereinbefore required.
 (h) Where galvanized vents con. meet by means of lead caulked joints into cast iron fittings of a greater diameter, the vents shall have the
 coupling screwed op before caulkeG tc such pipe fittings.
 ,l G) The term Branch vents'' as } used in this section shall be deemed to mean all the vent pipes located } between the fixtures served and the point where such branch vents joiI i and intersect the main vertical ven
 or run through the roof to the outer , air.
 CD All branch or special vents within a radius of twelve feet may
 converge into one pipe, or such vents may be conducted into the main stacf not less than two feet above the highest fixture in the system The branch fittings shall be not less thar three feet from the floor line. (k) No flue of whatever kind shal be used as a sewer ventilator or tt , ventilate any trap. drain or waste pipe Rainwater leaders or cellal
 drains shall not be connected witt any soil pipe or waste pipe except b! special permission from the Mayor and Common Council.
 CD Vent branches, inverted Y ol
 plain T's may be used in opening lief
 in vent pipes to revent fixtures. Cas screw fittings may be used on galvan
 ized iron vent pipes X 3 (m) Revent pipes for fixtures shal : not be less than the sizes shown ant !, shall be of ele materials as per table l Number as follows, to-wit: 7 Table No. 2 - Sizes of Vent Pipes 5 EXTRA LIGHT LEAD, STANDARD ) CAST IRON, GALVANIZED IRON OR BRASS
 FIXTURES
 Sizes of vent pipes and number O