2025 06 18 WEH Slope Stability Analysis Letter Report

NLB-3 Log of Boring Project West Essex Highlands 1 of 2 101049801 Location Elevation and Datum West Orange, New Jersey Approx. el. 566.0 (NAVD 88) Drilling Company Date Started Date Finished Craig Geotechnical Drilling 5/5/2025 Drilling Equipment Rock Depth ATV Rig Dark brown SILT, trace clay, trace fine sand with root fragments (moist) [TOPSOIL] Brown Silty fine to coarse SAND, trace gravel (moist) [SM] S-1 4 (Drilling Fluid, Casing Depth, Fluid Loss, Drilling Resistance, etc.) Started drilling at 7:33 AM on 5/5/2025. S-1 at 0 ft 6 3 2 S-2 at 2 ft 6 S-2 18 9 4 7 4 Drove casing to 4 ft. Drilled to 4 ft. S-3 at 4 ft 3 5 S-3 12 11 6 5 6 S-4 at 6 ft 12 19 S-4 19 35 16 55 8 Drove casing to 8 ft. Drilled to 8 ft. S-5 at 8 ft 13 22 9 Orangish brown Silty fine to coarse SAND, some gravel, trace clay (wet) [SM] - 5 7 Orangish brown Silty fine to coarse SAND, trace gravel, trace clay (moist) [SM] 2 10 20 30 40 2 2 5 Orangish brown Silty fine to coarse SAND, trace gravel, trace clay (moist) [SM] - 24 HR. Remarks N-Value (Blows/ft) 3 3 Orangish brown Silty fine to coarse SAND, some gravel, trace clay (moist) [SM] Type 0 1 +564.0 Sample Data Recov. (in) Penetrresist BL/6in +566.0 Depth Scale Number Sample Description - Core Rebecca Blocker 30 SS Drop (in) Completion 0 Mark Aquino SS 140 8 Field Engineer SS 140 Undisturbed Drilling Foreman SS 2in OD Split Spoon Weight (lbs) Automatic Water Level (ft.) S-5 SS Automatic Weight (lbs) 22.0 ft Disturbed First 15 50 28 27 10 S-6 at 10 ft 26 53 11 S-6 SS Elev. (ft) 4" diameter steel Casing Depth (ft) 20.0 Drop (in) 30 8 109 56 66 12 13 14 Orangish brown Silty fine to coarse SAND, some gravel, trace clay (wet) [SM] 15 Drove casing to 15 ft. Drilled to 15 ft. S-7 at 15 ft 18 23 16 S-7 SS Sampler Hammer Number of Samples Coring (min) Sampler 32.0 ft 3-7/8in Tricone Roller Bit Casing Diameter (in) Casing Hammer 5/5/2025 Completion Depth Size and Type of Bit Material Symbol Sheet Project No. 17 43 20 Template: Log-BH; Strip: BH-GEO; Printed on 06/17/2025