J_2024 05 09_West Orange Stormwater Management Plan

21239 FM529 Rd., Bldg. F Cypress, TX 77433 Tel: 281-985-9344 Fax: 832-427-1752 info@geothermusa.com http://www.geothermusa.com June 16, 2022 Melick Tully and Associates 117 Canal Road South Bound, NJ 08880 Attn: Chis McLaughlin, P.E. Re: Thermal Analysis of Native Soil Samples West Orange Switching Station – West Orange, NJ (Project No. 26009270400) The following is the report of thermal dryout characterization tests conducted on the five (5) tube samples of native soil from the referenced project sent to our laboratory. Thermal Resistivity Tests: The tube samples were tested ‘as received’. The tests were conducted in accordance with the IEEE standard 442-2017. The results are tabulated below and the thermal dryout curves are presented in Figures 1 to 3. Sample ID, Description, Thermal Resistivity, Moisture Cont ent and Density Sample ID Thermal Resistivity (°C-cm/W) Wet Dry Moisture Content (%) Sandy Loam (Fill) 114 304 9 88 8 Sandy Clay (Fill) 68 171 19 110 3 Silt Loam 65 182 16 109 3 Silt Loam 105 263 13 90 8 Silty Clay Loam 99 323 15 85 Depth (ft) Description (Melick Tully) 3 Dry Density (lb/ft 3 ) TP-101 TP-102 TP-103 Please contact us if you have any questions or if we can be of further assistance. Geotherm USA Nimesh Patel COOL SOLUTIONS FOR UNDERGROUND POWER CABLES THERMAL SURVEYS, CORRECTIVE BACKFILLS & INSTRUMENTATION Serving the electric power industry since 1978