Geotechnical Engineering Report Addendum No 1 Results of Testing 01 29 2025 submission

Soil Profile Report Project Name/#: Mavis #2296 - Additional Infiltration Testing Municipality: West Orange Project Location: 460 Prospect Avenue Block/Lot: Block: 105 Lot: 64.01 Driller: Sano Drilling Inspector: Maddie Trudnak / ECS Date of Observation: 1/14/2025 Lowest point in BMP (ft) = - Prepared by: JCY Maximum Impounded Water Depth (ft) = - Required Soil Profile Depth (ft) = 9.0 Exploration ID: TP-05 Elevation (ft) Existing Ground Level: 616.0 Elevations are approximate and based on Google Earth©. Proposed SWM Basin Bottom Level: - Seasonal High Water Table: - Termination: 607.0 Mark Most Top Elevation/Bottom Observed Water Table Soil Morphological USDA Soil Texture Hydraulically Elevation Elevation Note Observations Restrictive (ft.) (ft.) Asphalt 616.0/615.2 10YR 6/2 light brownish Sandy Loam 615.2/615.0 Subgrade

615.2/615.0 Subgrade gray, moist, 90% gravel 10YR 5/1 gray, moist, Fill, contains brick, Sandy Loam 615.0/613.0 blocky & single grain, plastic, cobbles loose, 30% gravel 5YR 3/3 dark reddish brown, moist, blocky, Silty Clay Loam x 613.0/607.0 Not encountered Bucket refusal @ 9.0' bgs friable, 30% gravel and cobbles