Laserfiche WebLink
a m m m m m m m m lam i r <br /> FIGURE 6.4 <br /> SCHOOL SECTION <br /> DRAINAGE IMPROVEMENTS SUMMARY <br /> DESIGNED SPECIFIED RIPRAP <br /> DESIGN CHANNEL BOTTOM SIDE SLOPE VELOCITY FLOW CHANNEL MAX. ROCK MAX ROCK THICKNESS <br /> CHANNEL/DITCH FLOW (CFS) TYPE WIDTH (FT) FT/FT FPS DEPTH (FT) DEPTH (FT) SIZE (IN) SIZE (IN) (IN) <br /> DITCH A 140 TRAP. 10 2 6.58 1.61 2 4.29 6 9 <br /> DITCH B <br /> 0+00 TO 9+00 92 TRAP. 5 2 4.89 2.06 2.5 2.46 3 INCH MINUS (SPALLS)6'TOTAL <br /> 9+00 TO 11+45 92 TR4P. 10 2 8.08 096 1.5 6.43 6 9 <br /> 11+45 TO 17+70 92 TRAP. 5 2 N/A N/A VARIES NONE NONE NONE <br /> CHANNEL A 3 TRI. 0 2 6.43 0.48 1.5 4.16 6 9 <br /> CHANNEL B 2 TRI. 0 2 6.49 0.39 1.5 4.16 6 9 <br /> CHANNEL C 36 TRAP. 5 2 9.34 0.65 1.5 8.59 9 15 <br /> CHANNEL D 18 TRAP. 5 2 8.98 0.35 1.5 7.97 9 15 <br /> ROCK GRADATIONS <br /> TYPE A TYPE B <br /> 4'<D100<6' 6'<0100<9' <br /> 2'<D50<5' 4'<D50<7' <br /> .375'<Dl5<3' 1'<Dl5<4' <br /> RIPRAP BEDDING SHALL CONSIST OF QUARRY FINES OR TERRACE GRAVEL DEPOSITS <br /> THAT ARE REASONABLY WELL GRADED FROM A MAXIMUM SIZE OF 3 INCHES TO 3116 INCHES <br />