Permits & Development - Encroachment(EP)/Driveway(DW) Permits - 2011_PS-1102000 thru PS-1102500_ - PS-1102138

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Title 23 Central Valley Flood Protection Board § 123 (2)Schedule 80 polyvinyl chloride(PVC)pipe is allowed if it is entire- (A)The steel pipe is resilient and not materially reduced in quality due ly buried,all joints are threaded and the components were continually to weathering,prior use or other deteriorating conditions. protected from ultraviolet radiation damage or were newly manufac- tured. (B)The steel pipe joints are butt welded or threaded. (C)The steel pipe installations are corrosion proofed externally with (3)Polyvinyl::hloride(PVC)plastic pipe schedule 40,or better,may a coating of material such as coal tar enamel,asphalt dipped wrap,mor- be used as a conduit for power or communication cables. tar,PVC tape,or polyethylene tape wrapped to a thickness of thirt (4)High density polyethylene pipe may be used for pipeline or con- mils,high solids epoxy,or equivalent. y(30) duit installation.provided the following conditions are met: (D)Unless a continuous internal lining of cement,mortar,or equiva- (A)High dem-ity polyethylene pipeline or conduit joints must be heat lent is provided,as appropriate for the fluid to be conveyed,new steel or electrofusion welded (ASTM Standard F1055-93, dated 1993 or pipe installations may convey only non corrosive material,and water is D3261 93,dates 1993 which is incorporated by reference). considered corrosive. (B) High-der.:;itv polyethylene pipelines and conduits must be de- (E) Steel pipe installations must be designed to resist all anticipated signed to resist all anticipated loading conditions,and the design calcula- loading conditions,and the design calculations must be submitted to the tions must be submitted to the board. board.Steel pipe meeting the following criteria may be used without sub- (C)High density polyethylene pipelines and conduits must be ultra- mittal of design calculations to the board: violet radiation protected. (i)Twelve-(12)inches in diameter or less ten f 0 (5)Cast in-place reinforced concrete pipes and box culverts maybe ( )gauge steel pipe. used above and below the design flood plane if the concrete is at least six niches in diameter sevn twelve-(7 12)inches and a maximum of thirty- (30) (6)inches thick (7)gauge steel pipe. (iii)Greater than thirty -(30) inches and a maximum of forty -eight (6) Precast reinforced concrete pipes and box culverts and concrete (48)inches in diameter three (3)gauge steel pipe. cylinder pipes rmiy be used above and below the design flood plane if the (h)The following materials are not allowed for pipelines or conduits following condit.:ons are met: used to carry natural gas or fluids: (A) Precast reinforced concrete pipe meets ASTM Specification (1)Aluminum pipe within a levee section or within ten(10)feet of le- C'76 90,dated 1990 which is incorporated by reference. vee toes. (B) Precast reinforced concrete pipe joints and precast box culvert (2)Cast iron pipe within a levee section or within ten(10)feet of levee joints are encased in reinforced concrete cast in-place against firm un- toes. disturbed earth. (3) Pipe with flanges, flexible couplings, or other mechanical COLI- (C)The cylin(lers of concrete cylinder pipes are welded and corrosion plings within a levee section or within ten(10)feet of levee toes. protected internally and externally. (4)Prestressed concrete pipe within a Levee section or within ten(10) (D)When installed below the design flood plane,precast reinforced feet of levee toes. concrete pipe and concrete cylinder pipe must be encased below the NOTE: Authority cited: Section 8571, Water Code. Refl_rene: Sections 8608, springline in con:;rete cast against undisturbed earth. 8710 and 8712.Water Code. (7)Steel pipe may be used for all types of pipeline or conduit installa- HISTORY tions through a 1.vee above the design flood plane if the pipe meets the 1.New section and figures 8.04,8.05 and 8.06 Fled 9 30-96.operative 10-30-96 following requirtrients: (Register 96,No.40). Page 4.25 Register 2009,No.49;12-4-2009