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

Log of Test Pit TP-17 Sheet 1 of 1 Project Project No. Date West Essex Highlands 101049801 4/14/2025 Location Elevation and Datum West Orange, New Jersey Approx. el. 566.0 (NAVD88) Excavation Company Depth Water Level - First Water Level - Completion Semeraro Construction, Co., Inc. 12.0 ft - - Excavation Equipment Excavation Foreman Field Engineer Hitachi Excavator 7X85 Roy Westervelt Bhumi Peer SAMPLE Depth Elev. G-1 Number SYMBOL DESCRIPTION Scale REMARKS Type (ft) +566.0 0 GRAB +565.8 Topsoil (Approx 2") [TOPSOIL] Began excavating on 4/14/2025 at 12:15 PM. Fine roots extend to Brown Silty fine to medium

soil (Approx 2") [TOPSOIL] Began excavating on 4/14/2025 at 12:15 PM. Fine roots extend to Brown Silty fine to medium SAND, some clay, some gravel with 1 ft bgs. trace roots and trace brick pieces (moist) [FILL] 1 GRAB G-2 HSG taken from 18" to 30" bgs. 2 Large pieces of concrete at 2 ft. Large pieces of rock from 2.5 ft to 4 ft. 3 4 5 GRAB G-3 6 Large chunk of concrete and bricks at 6 ft. 7 8 9 +556.0 Tan to reddish brown Clayey SILT, some fine to medium sand, 10 GRAB G-4

GRAB G-4 trace gravel (moist) 11 +554.5 GRAB Reddish brown SILT, some clay, some fine to medium sand, G-5 +554.0 some gravel (moist) 12 Excavator limit reached and southwest wall collapsing. No water End of Test Pit at 12.0ft. seepage nor mottling observed. End of test pit at 1:15 PM on 4/14/2025. 13 14 15 16 17 18 19 20 Langan Cloud Database, Project : 101049801, West Essex Highlands. Produced at 08/25/2025 15:06:15