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


 of Thirty (30) square inches at the end Of five minute period, nor shall in any case pipe be accepted when the accumulated moisture on the eX-i terior surface of the pipe runs down the side of the pipe in such quantity, which when collected shall amount to two CD cubic centimeters during the five (5) minute period.
 The pipe when subjected to an in- ternal hydrostatic pressure of Ten G0) pounds per square inch during a period of Five (5) minutes. shall re- sist fracture of pressure shown in the following table: Size Pounds per square inch
 s. B
 ,10.' 90,
 12" 90
 15" 50
 IS" 30
 Where vitrifed sewer pipe is used for house sewer # shalt te first quality, with deep and wide socket, salt glazed, and shall be of the Manu- lecturers Standard Dimensions, two CD or two and one-half (21a) feet to the piece. No pipe intended to be straight shall vary from a straight line more than one-fourth (M) inch to the foot in length; shall be smoot", straight, circular in section, and in side and out shall be concentric; blis- ters. checks or cracks will be cause for rejection, if in the opinion of the Plumbing Inspector ne same is not suitable; fire cracks in bell end of pipes will not be cause for rejection if crack can be placed in the upper half of the joint as laid; broken or cracked bells may be used when the area of the part broken out is less than one-fourth (A) the area of the bell, but the broken portion must be laid in the upper half of the sewer and the broken space filled with mort ar; pipe. must fit together without chipping of the spigot or breaking of the bell: want of thorough vitrification or fusion or the use of improper or insufficient materials or methods in it's manufacture will be cause for re- jection.
 Where cement pipe is used for house sewer it shall be of uniform size and thickness, and shall not vary from true cylinder more than one
 
 and shall be true and straight and shall not be less than two CD nor more than three (3) feet in length; snail be of the self centering type and shall have an annular space of not less than three eighths (3-S) of an inch between the male and female ends; shall be first quality, free from cracks, blisters and other imperfections and shall be dense and tough. No pipe shall be used which has a piece broken from the spigot end, nor which has a piece broken from the bell end if the frac- ture extends into the body of the pipe or is longer than one-third of the diameter of the pipe. Broken or crack ed bells shall be placed in the upper half of the joint as laid and the broken place shall be filled with mortar. Drain pipes other than cast iron, wrought iron with Durham system shall not be allowed under or in any building nor within two (2) feet of | the exterior wall of the building. | Vitrifed or concrete pipe or house sewer shall not come within (6) 1 inches of the surface of the ground throughout its entire course, and shall be at least three feet under the ground at the property line or on the grade of the public sewer, where such public sewer is less. than three fee. under | the ground. The joint Of each and every section of vitrified or concrete piping shall be completely filled with one part Portland cement to two parts of sand and every joint through /; ly cleaned from the inside so as not to ! form any obstruction. The different l sections shall be straight and sym i metrical in form so that when laid il | they shall be perfect on the bottom and sides with a fall of not less thar | one quarter of an inch per foot tp' ward the public sewer, providing sucf fall can be obtained The piping shal be perfectly water tight and shal 1 not be covered or concealed in an. way unti it shall have been approved by the plumbing inspector. In case | any pipe CT piping shall be covered i before it is inspected by the plumbing inspector, the plumbing inspector shall. at the expense of the person ol plumber in charge of the work, cause such pipe to be uncovered and inspec the same. All changes in the direc tion of horizontal lines shall be mad with Y branches and one eighth bends
 (k)Where the diameter of tn, house sewer is less than six (6) inche'
 reducer from a six (6) inch dia meter to the diameter of the Nhous' sewer shall be used in making tn
 connection with the main sewer line
 CD Except as herein otherwis provided, no trap or any manner o obstruction to the free flow of ai through the whole course of the drail or soil pipe shall be allowed.
 (m) All soil or waste pipes am ] fittings in buildings not exceedin ]I three stories in height may be of th ) grade known as standard cast iro ) pipe. '.<,EYa } (c) No safe waste from :: basin 3 bath, sink, water closets or other h1 ) ture shall connect with any soil pipt ; waste pipe or sewer, but shall di: 5 charge into a. water. supplied sink. I Cp1 tTledpfutc shall hG nlacad a