Connections to public sewers shall comply with the following:
A. Cast Iron Pipe: House connection sewers shall be made with pipe of cast iron, clay or other material, approved by the Public Works Director.
B. City Specifications: The pipe of the house connection sewer shall be laid in conformity with City specifications for public sewers.
C. Alignment: The pipe shall be laid in a straight alignment and at a uniform slope, and shall have a fall of at least one foot (1') in fifty feet (50') unless the Public Works Director determines that an exception is warranted.
D. Depth: The pipe must be at least three and one-half feet (31/2') below an established street or alley grade where it crosses the property line on the date of installation unless the Public Works Director determines that an exception is warranted.
E. Right Angle From Connection: The alignment of the house connection sewer must be at right angles from the connection to the public sewer unless the Public Works Director determines that an exception is warranted.
F. Wye Or Tee Saddles: A collar wye or tee saddle shall be installed in tapped public sewers by cutting a properly proportioned hole in the public sewer and fitting the saddle tightly in place. Wye saddles shall be placed in the side of the public sewer with the wye branch so pointed as to direct the flow from the house connection sewer downstream at approximately a forty five degree (45°) angle with the public sewer, and tilted upward at approximately forty five degrees (45°) from the horizontal. Tee saddles shall be used for the construction of chimney pipes and for connections to twelve inch (12") diameter and larger public sewers and tilted upward at approximately forty five degrees (45°) from the horizontal or as approved by the Public Works Director.
G. Wye Or Tee Connection: No house or industrial waste connection to a public sewer shall be made, except through a wye or tee branch, without written permission from the Public Works Director. (Ord. 1093, 1-20-1987)