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

Log of Test Pit TP-13 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. 551.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 8.5 ft 3.0 - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +551.0 Dark brown fine to coarse SAND, some silt with roots and 0 Began excavating on 4/15/2025 at 10:25 AM. GRAB G-1 construction debris [TOPSOIL and FILL] Roots greater than

G-1 construction debris [TOPSOIL and FILL] Roots greater than 1/2" in diameter extend to 6" bgs. +550.0 Roots less than 1/2" in diameter extend to 1 ft bgs. Dark gray to gray CLAY, some silt (moist) 1 GRAB G-2 +549.0 Orangish brown to reddish brown Silty fine to medium SAND, 2 some clay, trace gravel (wet) 3 HSG taken from 30" to 40" bgs. Little water seepage observed at 3 ft. GRAB G-3 4 +546.0 Reddish brown SILT, some clay, some gravel, trace fine to 5 Cobbles and boulders (1 ft dia.) encountered at 5 ft. coarse sand with cobbles and boulders (moist) 6 7 GRAB G-4 Hard digging at

G-4 Hard digging at 7.5 ft. 8 +542.5 Obstruction and excavator bucket refusal at 8.5 ft. Possible End of Test Pit at 8.5ft. weathered rock or boulder. No mottling observed. 9 End of test pit at 11:00 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 15:06:13