12 2026 02 12 Crestmont CC Stormwater Management Report

0 +541.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/25/2024. GRAB S-1 +540.0 1 Tan SILT, trace gravel, trace roots (moist) GRAB S-2 2 \\LANGAN.COM\DATA\PAR\DATA8\101049801\PROJECT

2 \\LANGAN.COM\DATA\PAR\DATA8\101049801\PROJECT DATA\_DISCIPLINE\GEOTECHNICAL\GINTLOGS\101049801_TEST PITS.GPJ ... 8/25/2025 10:49:09 AM ... Report: Log - LANGANTP +538.5 Brown Silty fine SAND, some gravel, trace cobbles (moist) 3 4 5 GRAB 6 S-3 7

7 Refusal encountered at 8ft bgs (bucket teeth +533.0 8 scraping at bottom). End of Test Pit at 8ft bgs. Completed excavating on 4/25/2024. Test pit backfilled with excavated material upon completion. 9 Easy digging observed from 0 to 8ft bgs. No mottling nor groundwater seepage

No mottling nor groundwater seepage obeserved in the dug test pit. 10 11 12 13 14 15

LOG OF TEST PIT TP-5 Sheet 1 of 1 PROJECT NAME PROJECT NUMBER DATE Eagle Rock Ave Widening 101049801 4/26/2024 LOCATION ELEVATION West Orange, NJ Approx. el 550 (NAVD88) EXCAVATION CONTRACTOR DEPTH WATER LEVEL - First WATER LEVEL - Completion Semeraro Construction, Co., Inc. 7.5 ft - - EQUIPMENT FOREMAN LANGAN PERSONNEL

LANGAN PERSONNEL CAT 306 Excavator Mike Marie Vilsaint SAMPLE Depth Symbol ELEV Number DESCRIPTION REMARKS Type (feet) Scale

0 +550.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/26/2024. GRAB S-1 +549.0 1 Brown to tan Silty fine GRAVEL, some f-c sand, trace cobbles HSG taken from 12 to 24" bgs. (moist) 2 \\LANGAN.COM\DATA\PAR\DATA8\101049801\PROJECT DATA\_DISCIPLINE\GEOTECHNICAL\GINTLOGS\101049801_TEST PITS.GPJ ... 8/25/2025 10:49:10 AM ... Report: Log - LANGANTP

TS.GPJ ... 8/25/2025 10:49:10 AM ... Report: Log - LANGANTP 3 4 GRAB S-2 5 6 7 Refusal encountered at 7.5ft bgs (bucket +542.5

(bucket +542.5 teeth scraping at bottom). End of Test Pit at 7.5ft bgs. Completed excavating on 4/26/2024. 8 Test pit backfilled with excavated material upon completion. Easy digging observed from 0 to 7.5ft bgs. No mottling nor groundwater seepage 9

obeserved in the dug test pit. 10 11 12 13 14 15