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<br />SHAPE <br /> <br />CIRCULAR <br /> <br />0", <br />, ' <br />, . <br />. ' <br /> <br /> <br />".- . <br />. ... . <br /> <br />PIPE ARCH <br /> <br />0.'...".. <br />o <br /> <br />HORIZONTAL ELLIPSE <br /> <br />o <br /> <br />VERTICAL <br />ELLIPSE <br /> <br />~,'" <br />Ii '~ <br /> <br />y <br /> <br />RECTANGULAR <br />(box sections) <br /> <br />fr' ., )i <br /> <br />ARCH <br /> <br />~""", <br />.... .' <br />. ' , <br />, , <br />, ' <br />, , <br /> <br />RANGE OF SIZES <br /> <br />12 to 180 <br />inches <br />reinforced <br /> <br />4 to 36 <br />inches <br />non-reinforced <br /> <br />15 to 132 <br />inches <br />equivalent <br />diameter <br /> <br />Span x Ri se <br /> <br />l8 to 144 <br />inches <br />equivalent <br />diameter <br /> <br />Span x Rise <br /> <br />36 to 144 <br />inches <br />equivalent <br />diameter <br /> <br />Span <br />3ft to 12ft <br /> <br />Span <br />24 ft to 41 ft <br /> <br />COMMON USES <br /> <br />Culverts, storm drains, and sewers. <br /> <br />Culverts, storm drains, and sewers. <br />Used where head is limited. <br /> <br />Culverts, storm drains, and sewers. <br />Used where head is limited. <br /> <br />Culverts, storm drains, and sewers. <br />Used where lateral clearance is <br />limited. <br /> <br />Culverts, storm drains, and sewers. <br />Used for wide openings with limited <br />head. <br /> <br />Culvert and storm drains. For low, <br />wide waterway enclosures. <br /> <br />Exhibit 10. Standard concrete pipe shapes. <br /> <br />19 <br />