2026 02 12 Crestmont CC and Eagle Rock Ave Stormwater Management Report

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LOG OF TEST PIT TP-9 Sheet 1 of 1 PROJECT NAME PROJECT NUMBER DATE Eagle Rock Ave Widening 101049801 4/26/2024 LOCATION ELEVATION West Orange, NJ Approx. el 553 (NAVD88) EXCAVATION CONTRACTOR DEPTH WATER LEVEL - First WATER LEVEL - Completion Semeraro Construction, Co., Inc. 8 ft - - EQUIPMENT FOREMAN LANGAN PERSONNEL

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

0 +553.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/26/2024. GRAB S-1 1 +551.0 2 Tan SILT, some fine sand, trace fine gravel, trace roots (wet) HSG taken from 24" to 36" bgs. GRAB \\LANGAN.COM\DATA\PAR\DATA8\101049801\PROJECT DATA\_DISCIPLINE\GEOTECHNICAL\GINTLOGS\101049801_TEST PITS.GPJ ... 8/25/2025 10:49:12 AM ... Report: Log - LANGANTP

GAN.COM\DATA\PAR\DATA8\101049801\PROJECT DATA\_DISCIPLINE\GEOTECHNICAL\GINTLOGS\101049801_TEST PITS.GPJ ... 8/25/2025 10:49:12 AM ... Report: Log - LANGANTP S-2 +550.0 3 Brown Sandy SILT, some f-c gravel, some cobbles (moist) 4 5 GRAB 6 S-3 7

7 Refusal encountered at 8ft bgs (bucket teeth +545.0 8 scraping at bottom). End of Test Pit at 8ft bgs Completed excavating on 4/26/2024. Test pit backfilled with excavated material upon completion. 9 Easy digging observed from 0 to 8ft bgs. No mottling nor groundwater seepage

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

LOG OF TEST PIT TP-10 Sheet 1 of 1 PROJECT NAME PROJECT NUMBER DATE Eagle Rock Ave Widening 101049801 4/25/2024 LOCATION ELEVATION West Orange, NJ Approx. el 537 (NAVD88) EXCAVATION CONTRACTOR DEPTH WATER LEVEL - First WATER LEVEL - Completion Semeraro Construction, Co., Inc. 11 ft 10.75 ft - EQUIPMENT FOREMAN LANGAN PERSONNEL

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

0 +537.0 Dark gray to black Silty SAND, some roots (dry) [TOPSOIL] Started excavating on 4/25/2024. GRAB S-1 +536.0 1 Light brown SILT, trace fine sand Mottling observed between 1 to 2ft bgs. GRAB S-2 +535.0