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Section 15060 <br /> PIPING SYSTEMS <br /> Piping shall be installed as specified except for adjustments to avoid architectural, <br /> structural, HVAC' and other features and shall be coordinated with electrical construction. A <br /> minimum vertical clearance of 8 feet (under pipe for access) shall be provided in all tunnels <br /> and galleries. Piping sections shall be painted in accordance with Section 09800, <br /> PAINTING AND SPECIAL COATING SYSTEMS prior to installation. Unless <br /> specifically shown otherwise on the plans, minimum depth of cover for buried pipe shall be <br /> 36 inches over the top of the pipe. <br /> B. Piping Sizes <br /> Where the size of piping is not specified, the Contractor shall provide piping of the sizes <br /> required by UPC. Unless specified otherwise, small piping (less than 1 inch in diameter) <br /> required for services not described by UPC shall be 1/2 inch. <br /> C. Pipe Support, Anchorage And Seismic Bracing <br /> Piping shall be supported by anchor brackets, guides, saddles or hangers. See plans and <br /> Sections 15140, PIPING SUPPORTS for acceptable types of supports,guides, saddles, <br /> hangers and structure attachments for general pipe support, expansion/contraction and for <br /> seismic bracing. Minimum spacing shall be as specified for supports and for seismic <br /> bracing. Where a specific type of support or anchorage is indicated on the layout drawings, <br /> then only that type shall be used there. Piping shall be vertically supported by anchor <br /> brackets, guides, saddles or hangers and shall be seismically braced where indicated to resist <br /> lateral load. Supports shall be provided on each run at each change of direction. Pipe <br /> supports shall be hot-dip galvanized. Existing pipes and supports, electrical conduit and <br /> supports, and related equipment shall not be used to support new piping. <br /> D. Anchorage For Buried Piping <br /> All plugs, caps, tees and bends in buried pressure piping systems shall be anchored by <br /> means of reaction backing or restrained joints as specified in the individual piping sections. <br /> Concrete thrust blocks shall be as shown on the plans. <br /> E. Bedding And Backfill <br /> Bedding and backfill for buried piping shall be as specified in Section 02210, <br /> EXCAVATION,BACKFILLING, AND COMPACTION FOR UTILITIES and as shown <br /> on the plans. Piping shall be buried as specified in Paragraph 3.01A, Location of this <br /> section. Depth shall be adjusted to avoid other utilities. <br /> F. Not Buried To Buried Or Encased Piping Material Transitions <br /> Wherever a pipe 2 inches in diameter and larger passes from concrete encasement or <br /> structure wall to earth, a flexible sleeve type pipe coupling, or a push-on bell and spigot, <br /> Walnut Grove Sewer Project(Conformed) 15060-5 SAO 160401 <br /> March 2008 n:Asa0160401\specs\wo conformvdig I�v1 5060.doc <br />