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) = 12.0 Exploration ID: TP-04 Elevation (ft) Existing Ground Level: 618.0 Elevations are approximate and based on Google Earth©. Proposed SWM Basin Bottom Level: - Seasonal High Water Table: - Termination: 606.0 Mark Most Top Elevation/Bottom Observed Water Table Soil Morphological USDA Soil Texture Hydraulically Elevation Elevation Note Observations Restrictive (ft.) (ft.) 10 YR 3/2 very dark Silt Loam 618.0/617.7 grayish brown, moist, Topsoil blocky, loose

, moist, Topsoil blocky, loose 7.5 YR 5/4 brown, Sandy Loam 617.7/617.4 moist, blocky, loose, 5% Fill gravel 2.5Y 5/1 gray, moist, Fill, contains glass Silty Loam 617.4/617.0 blocky, loose, 90% bottles gravel 7.5 YR 3/1 very dark Clay Loam x 617.0/615.0 gray, moist, blocky, friable, 20% gravel 5 YR 3/3 dark reddish Sandy Silt 615.0/606.0 Not encountered brown, moist, single grain, loose, 40% gravel