1. 6-1. Compute the volumes for stations 88+30 to 88+68 from the table SLOPE-STAKING NOTESSECOND EXAMPLE SURFACE GRADE STA. ELEV. ELEV. 92+00 891.6 874.63 18.1 C20.0 C20.1 61.2 40.3 25.0 C18.1 C20.0 C20.1 c17.0 17.8 C179 C15.1 CIO 36.8 45.4 91 +52 875.6 875.59 0 0 20 25 F11.4 91+00 864.5 876.63 F12.1 90+50 867.3 F10.3 42.8 F10.1 40.2 F12.8 45.6 90+05 875.3 F3.2 . 89+73 879.2 F12.2 44.4 89+59 885.6 F8.3 36.6 89+43 879.8 F7.3 34.6 F16.1 52.2 89+08 873.7 F6.8 831.27 C16.8 F12.9 88+68 881.3 58.6 882.03 9740 Bases: 50 ft in cut; 40 ft in fill. Side slopes: 2:1; Gradient-2% 1. 6-1. Compute the volumes for stations 88+30 to 88+68 from the table SLOPE-STAKING NOTESSECOND EXAMPLE SURFACE GRADE STA. ELEV. ELEV. 92+00 891.6 874.63 18.1 C20.0 C20.1 61.2 40.3 25.0 C18.1 C20.0 C20.1 c17.0 17.8 C179 C15.1 CIO 36.8 45.4 91 +52 875.6 875.59 0 0 20 25 F11.4 91+00 864.5 876.63 F12.1 90+50 867.3 F10.3 42.8 F10.1 40.2 F12.8 45.6 90+05 875.3 F3.2 . 89+73 879.2 F12.2 44.4 89+59 885.6 F8.3 36.6 89+43 879.8 F7.3 34.6 F16.1 52.2 89+08 873.7 F6.8 831.27 C16.8 F12.9 88+68 881.3 58.6 882.03 9740 Bases: 50 ft in cut; 40 ft in fill. Side slopes: 2:1; Gradient-2%