2025 06 18 WEH Slope Stability Analysis Letter Report

Global Stability Study for Eastern Slope near Building D West Essex – Highlands Development West Orange, New Jersey Langan Project No.: 101049801 14 January 2025 Revised 18 June 2025 Page 5 of 5 (location, layout, loading, elevation) or existing slope conditions should be brought to our attention so that we can determine whether such changes affect our conclusions. Sincerely, Langan Engineering and Environmental Services, LLC Mark K. Seel, P.E. Vice President Ronald D. Boyer, P.E. Senior Principal / Senior Vice President Enclosure(s): Figure 1, Figure 2, Attachment A cc: John Cote, Michael Vitello, Adam Yoda / Langan NJ Certificate of Authorization No. 24GA27996400 \\langan.com\data\PAR\data8\101049801\Project Data\_Discipline\Geotechnical\Reports\2024 - Slope Stability Memorandum\2025-01-14 - Slope Stability Analysis LetterRpt.docx