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

Log of Test Pit TP-12 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/15/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 548.5 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 8.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +548.5 +548.2 Topsoil (Approx. 4") [TOPSOIL] 0 Began excavating on 4/15/2025 at 8:35 AM. Gray Silty CLAY with organics (moist) Roots extend to 8" bgs. GRAB GRAB

ts extend to 8" bgs. GRAB GRAB G-1 +547.5 Brown to orangish brown Silty fine to medium SAND, some 1 HSG taken from 12" to 24" bgs. G-2 clay, trace gravel (moist) +546.5 Reddish brown Sandy SILT, some gravel, trace clay (moist) 2 GRAB G-3 3 Cobbles encountered at 3 ft. 4 5 6 Hard digging at 6 ft. Boulders (1 ft dia.) encountered at 6 ft. 7 +540.5 8 Excavator bucket refusal encountered at 8 ft due to an obstruction. End of Test Pit at 8.0ft. Possible weathered rock or boulder. No water seepage nor mottling observed in test pit. 9 End of test pit at 9:13 AM on 4/15/2025. Test pit backfilled with

it. 9 End of test pit at 9:13 AM on 4/15/2025. Test pit backfilled with excavated material. 10 11 12 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:12