2025 01 14 West Essex Highlands Development Building D Slope Stability Study

TP-F2 TP-F1 B-11 FF: 618.0 GF: 607.0 BUIL D ING 101147901 D.1 TP-12 B-12 TP-1 AA el 606 > 9 ft belowLB-1 elel597 597 TP-8 beyond TP-2 TP-3 LB-2 A A 3 LB-1 el 606 11 13 ft el 595 593 el el 582 582 > 5.5 4 ft ft below 576.5 el el 578 el 604 14 ft el 590 el 522 >> 50 50 ftft below elel472 beyond 472 el 550 >> 12 12 ftft below elel538 beyond 538 TP-13 FF:618.0 GF: 597.0 TP-E2 B-13 TP-D1 FF: 618.0 GF: 594.0 TP-14 BB LB-3 TP-4 TP-4 T LB-3 TP-7 el el616 616 3.75 > 5 ft el 612.2 below el 611 TP-5 TP-5 LB-4 TP-6 TP-6 B el 584 >4.5 4.8ftft below elel579.2 beyond 579.2 el 579.5 el 528 > 12 ft below elel516 beyond 516 LB-4 B el 548 584 el > 45ftft >45 below el beyond el 503 503 DING D.2 el el 614 614 > 3.5 3.7 ftft below el 610.3 el 610.5 el 614 9 ft el 605 TP-D2 B-14 BUIL TP-15 LGF: 582.0 TP-C2 1. BASE PLAN OBTAINED FROM PLAN TITLED "OVERALL GRADING PLAN SP-11" DATED 1 OCTOBER 2024 PREPARED BY ANDERSON CONSULTING SERVICES LLC (ACS).AND IS 1. AERIAL PHOTOGRAPH TAKEN FROM NEARMAP LB-1 ED 30 OCTOBER 2024. el 606 13 ft el 593 SCALE: 1" = 50' LEGEND: APPROXIMATE LOCATION OF LANGAN BORING Langan Engineering and Environmental Services, LLC. TP-1 APPROXIMATE SURFACE ELEVATION APPROXIMATE LOCATION OF LANGAN TEST PIT APPROXIMATE OVERBURDEN SOIL AND DECOMPOSED ROCK THICKNESS APPROXIMATE TOP OF ROCK Figure 101049801 101147901 A A APPROXIMATE LOCATION GLOBAL SLOPE STABILITY ANALYSIS SECTION 300 Kimball Drive Parsippany, NJ 07054 T: 973.560.4900 F: 973.560.4901 www.langan.com NJ CERTIFICATE OF AUTHORIZATION No. 24GA27996400 WEST ESSEX HIGHLANDS WEST ORANGE NEW JERSEY PROPOSED INVESTIGATION INVESTIGATION PLAN PLAN 1/14/2025 11/4/2024 1 RLB AY © 2021 Langan NOTES: