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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />VERTICAL DIMENSION <br />OF PIPE (INCHES) <br /> <br />15 TO 36 <br />42 AND LARGER <br /> <br />MAXIMUM ALLOW ABLE DIST ANCE <br />BETWEEN MANHOLES AND/OR CLEANOUTS <br /> <br />400 FEET <br />500 FEET <br /> <br />MINIMUM RADIUS FOR RADIUS PIPE <br /> <br />DIAMETER OF PIPE <br /> <br />RADIUS OF CURVATURE <br /> <br />48" TO 54" <br />57" TO 72" <br />78" TO 108" <br /> <br />28.50 FEET <br />32.00 FEET <br />38.00 FEET <br /> <br />SHORT RADIUS BENDS SHALL NOT BE USED ON <br />SEWERS 42 INCHES OR LESS IN DIAMETER <br /> <br />MINIMUM PIPE DIAMETER <br /> <br />TYPE <br /> <br />MINIMUM EQUIVALENT <br />PIPE DIAMETER <br /> <br />18 INCHES <br /> <br />MINIMUM CROSS- <br />SECTIONAL AREA <br /> <br />1.77 SQ. FT. <br /> <br />MAIN TRUNK <br />*LA TERAL FROM INLET <br /> <br />*MINIMUM SIZE OF LATERAL SHALL ALSO BE BASED UPON A WATER <br />SURF ACE INSIDE THE INLET WITH A MINIMUM OIST ANCE OF I FOOT <br />BELOW THE GRATE OR THROAT <br /> <br />MANNING'S N-VALUE <br /> <br />SEWER TYPE <br /> <br />CONCRETE (NEWER PIPE) <br />CONCRETE (OLDER PIPE) <br />CONCRETE (PRELlMNARY <br />SIZING) <br /> <br />CAPACITY CALCULATION <br /> <br />VELOCITY CALCULA TION <br /> <br />.012 <br />.015 <br />.015 <br /> <br />.011 <br />.012 <br />.012 <br /> <br />PLASTIC <br /> <br />.012 <br /> <br />.009 <br /> <br /> <br />STORM SEWER ALIGNMENT <br />AND SIZE CRITERIA <br />TABLE 6-1 <br /> <br />Public Works <br />Department DATE: JANUARY, 1997 <br /> <br />SCALE: N. T S <br />