J_2024 05 09_West Orange Stormwater Management Plan

#200 #140 #100 #60 #40 #30 #20 #10 #4 3/8 in. ½ in. ¾ in. 1 in. 1½ in. 2 in. 3 in. 6 in. Gradation Curve(s) 100 90 80 PERCENT FINER 70 60 50 40 30 20 10 0 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. % Cobbles 0.0 0.0 0.0 0.0 % Gravel Coarse Fine Coarse 6.1 2.7 0.1 0.2 % Sand Medium 16.1 18.2 7.4 7.6 % Fines Fine 23.4 15.3 29.3 30.0 Silt Clay 0.0 0.0 0.0 0.0 5.2 11.5 1.6 7.9 49.2 52.3 61.6 54.3 SOURCE SAMPLE NO. DEPTH (ft.) Material Description USCS SBH-1 S1 1.5 Silt, and fine to coarse Sand, trace fine Gravel (MC=19.3%) Fill SBH-1 S2 3-5 Clayey Silt, and f to m Sand, little f Gravel (MC=18.5%) ML SBH-3 S3 4-6 Clayey Silt, and f to m Sand, trace f Gravel (MC=20.8%) Fill SBH-3 S4B 6-8 Silty Clay, and f to m Sand, trace f Gravel (MC=17.2%) CL SOIL DATA SYMBOL Melick-Tully & Associates a Division of GZA GeoEnvironmental, Inc. South Bound Brook, NJ Client: PSE&G Project: West Orange Switching Station Lifecycle Projet - West Orange, NJ Project No.: 26.0092704.00 Plate 8A