2025 06 18 WEH Slope Stability Analysis Letter Report

LB-4 Log of Boring Project West Essex Highlands 2 of 3 101049801 Location Elevation and Datum +532.0 16 Type Sample Data S-7 Recov. (in) Penetrresist BL/6in Sample Description Depth Scale Number Elev. (ft) Approx. el. 548.0 (NAVD 88) Coring (min) New Jersey, West Orange Material Symbol Sheet Project No. 1 Remarks N-Value (Blows/ft) (Drilling Fluid, Casing Depth, Fluid Loss, Drilling Resistance, etc.) 10 20 30 40 12 22 15 17 Rig chattering from 17 ft to 19 ft. 18 01:49 00:48 +525.0 Reddish brown fine to medium SAND, some silt (moist) [SM] C-1 0 40/3" RQD=0% 02:08 S-8 REC=8% 20 No Recovery SANDSTONE [BOULDER] SS +528.0 +527.8 NQ 19 40/3" 21 22 Drove casing to 20 ft. Drilled to 20 ft. S-8 at 20 ft Spoon bouncing. Drove casing to 20 ft. Drilled to 20 ft. C-1 at 20.25 ft 23 Drop while coring. Stop core run. 00:07 24 25 Drove casing to 25 ft. Drilled to 25 ft. S-9 at 25 ft 13 S-9 SS 12 26 7 21 9 18 27 28 29 30 Drilled to 30 ft. S-10 at 30 ft S-10 SS 39 12 S-11 SS Reddish brown fine to medium SAND, some silt (moist) [SM] 2 88 50/2" 50/2" 80/3" 80/3" 31 32 33 34 Reddish brown fine to medium SAND, some silt (moist) [SM] 35 36 Template: Log-BH; Strip: BH-GEO; Printed on 01/03/2025 Drilled to 35 ft. S-11 at 35 ft