Ordinance No. 18446 - Laserfiche WebLink

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18H~{6 a minimum uniform depth off' three inches ~3'~ } leveled to the required elevation prior to placing the pipe. There shall be a sufficient quantity of bedding material pre- sent a~t all points to form a supporting cradle equal to one-half the outside diameter of the pipe, or a two-inch ~2"} minimum depth, whichever is the greater, and extend to the walls of the trench. Beal holes of ample dimen-- sions shall be formed in the pipe bedding at each pipe . ?oint location to provide for a proper joint, uniform pipe bearing throughput its length and full inspection. Subsections ~d~_ a~nd~ ~e}_ are added as follows: ~d~.. Back~f~i~ll. Backfill in the pipe zone shall be of selecte nohcohesiv~e material consisting of crushed rock ar pea gravel either of wh~:ch to have no piece or size greater than three-quarter inch X3/4"} diameter. The pipe zone shall be that area on both sides of the pipe and from sip inches ~6"} above the top of the pipe to the top of the pipe bedding material., Within a street right-of -way where perrnanent~ or non-permanent pavements , including driveways and sidewalks are traversed, trench backfill shall. consist of imported bar run gravel or .crushed rock graded from coarse to fine with a maximum density in lifis not to exceed twenty-four inches x,24" } . ~.e} B.uildings constructed over existing sewer main or lateral. ~~o building of any kind shall be constructed aver an~existing sewer main or lateral unless yr until such sanitary sewer has been replaced with either cast iron water pipe or extra heavy cast iron soil pipe of a type and class, as specified by the city engineer. The work involved in relocating or replacing a sewer line shall be performed under the supervision of the city engineer by a contractor employed by the owner and approv- ed by the director of public works. The owner, without charge to the city, shall install manholes as deemed necessary by the city engineer in order to permit proper maintenance of the portion of the sewer to be covered by a building. The owner or developer shall, without charge to the city,. con~'ey such additional easements or rights-- of~way on the property as may be required to accomplish construction or relocation. Cast of such work shall be borne by the owner of the property. ~l1} Secti~n~1120, Sewer Pipe Sizes and Slope, subsec- tion ~b}_, is amended to read: fib} Minimum co~'er opening diameter. of twenty--four inches x.24"} . ~l2} Section 14D2, Storm Sewer Connected to Combination Sewer, is deleted. ~~ ~~~ X13} Sectiwn 1410 S ecif~ications of a Dr Well or Rain or Storm Water Disposa~,~, subsection ~a}., a.s amended so that the first sentence reads: "Dry wells, when permitted by the administrative authority, shall- be constructed of reinforced concrete rings with an ~.nside diameter of not less than two feet Ordinance -- 9