12 2026 02 12 Crestmont CC Stormwater Management Report

LOG OF TEST PIT TP-6 Sheet 1 of 1 PROJECT NAME PROJECT NUMBER DATE Eagle Rock Ave Widening 101049801 4/26/2024 LOCATION ELEVATION West Orange, NJ Approx. el 545 (NAVD88) EXCAVATION CONTRACTOR DEPTH WATER LEVEL - First WATER LEVEL - Completion Semeraro Construction, Co., Inc. 5.5 ft - - EQUIPMENT FOREMAN LANGAN PERSONNEL

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

0 +545.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/26/2024. GRAB S-1 1 +543.5 Tan SILT, some roots, trace f-c sand (moist) HSG taken from 18" to 30" bgs. 2

GRAB \\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 S-2 3 +541.5 Brown SILT, some cobbles, trace fine sand, trace roots (moist) 4 GRAB S-3 5

5 Refusal encountered at 5.5ft bgs (bucket +539.5 teeth scraping at bottom). End of Test Pit at 5.5ft bgs. Completed excavating on 4/26/2024. 6 Test pit backfilled with excavated material upon completion. Easy digging observed from 0 to 5.5ft bgs. No mottling nor groundwater seepage

No mottling nor groundwater seepage 7 obeserved in the dug test pit. 8 9 10 11 12 13

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LOG OF TEST PIT TP-7 Sheet 1 of 1 PROJECT NAME PROJECT NUMBER DATE Eagle Rock Ave Widening 101049801 4/26/2024 LOCATION ELEVATION West Orange, NJ Approx. el 548 (NAVD88) EXCAVATION CONTRACTOR DEPTH WATER LEVEL - First WATER LEVEL - Completion Semeraro Construction, Co., Inc. 3 ft - - EQUIPMENT FOREMAN LANGAN PERSONNEL

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

0 +548.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/26/2024. GRAB S-1 +547.3 Tan SILT, some roots, trace gravel (moist) GRAB 1 S-2