The copper era and Morenci leader., 1920-08-27

 which when collected shall amount to two (2) cubic centimeters during the five (5) minute period.
 ]. TThe pipe. when subjected to an in- St&rnal hydrostatic pressure of Ten period of Five (5) minutes. shall re- sist fracture of pressure shown in the following table:
 Size Fracture tt not les than
 E. Pounds per square inch 6" 49
 g." 35
 10" 3e
 912" 90
 115:s = 30
 SIS" e.S 30
 rNkeTe the v:trifed sewer pipe is usexstor house sewer t shalt l:e first with deep and wide socket, salt $4azed, and shall be of the Manu- factdreTss Standard Dimensions, two (2) or two and oue-half CHA feet to the piece. No pipe fintended. to be straight shall vary from straight line more than one-fourth fZ) inch to the foot in length; shall be smooth, 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 vitrivcation 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 twenty fourth (1-24) of it's diameter, and shall be true and straight and sha, not be less than two CD or more than three (3) feet in length; snail be of the self contering 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 o1 the exterior wall of the building Vitrified or concrete pipe or house sewer shall not come within (6) inches. of the surface of the ground throughout it's entire course, and shal 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 feet under the ground. Tbe joint of each and
 
 piping shall be completely filled witt one part Portland cement to two parts of sand and every joint through ! ly cleaned from the inside so as not tC | form any obstruction The different sections shall be straight and sym | metrical i'll form so that when laid il | they shall be perfect on the bottom and sides with fall of not less thar 1 one quarter of an inch per foot to ward the public sewer, providing sucf i fall can be. obtained. The piping sbal l be perfectly water tight and shai ] not be covered or concealed in an, way unti it shall have been approved l by the plumbing inspector. In case i 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 i such pipe to be- uncovered and inspec 1 the, same. Alls:ehanges in the direc i ton of horizontal Hines shall be mad' with Y:cbranhes, and ,one-eighth bends
 (k)Where the diameter of tn, | house sewer is less than six (6) inches , reducer from six (6) inch dia meter to the diameter of the house {; sewer shall be used; in making tn i connection with the main sewer line i CD Except ass herein otherwis, provided, no trap !or any manner O obstruction of theSfree flow of ai through the whole course of the drail : or soil pipe shall be allowed.
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