J_2024 05 09_West Orange Stormwater Management Plan

TEST PIT LOG Engineers and Scientists PSE&G West Orange, NJ EXPLORATION NO.: TP-202 SHEET: 1 of 1 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin Logged By: Alex Avelar Test Pit Location: See Plan Final Test Pit Depth (ft.): 10 Contractor: Furino and Sons, Inc. Operator: Matt Ground Surface Elev. (ft.): +606 Date Start - Finish: 1/5/2023 - 1/5/2023 Type of Excavator: Track Excavator Date Excavator Model: Depth (ft) Sample No. CAT 305E Sample Depth (ft.) 1/5/23 Stratum Depth (in.) 0-1 1 S1, T1 1.5 1-24 2 S2, T2 4 Sample Description and Identification 1" of Leaf litter and topsoil Reddish brown (5YR, 4/3) sandy clay loam, 10% gravel, moderate medium crumb, moist, friable, clear smooth boundary, few fine roots Reddish brown (5YR, 4/3) clay, 10% gravel, 5% cobbles, moderate medium subangular blocky, moist, firm 7 S3, T3 8 12 3 6 7 9 Excavator refusal atop basalt rock at 10' End of exploration at 10 feet. Groundwater not encountered 10 Single Ring Permeability Test Results: Failed to drain during presoak = <0.06 in/hr @ 4 ft. Tube Permeameter Test Results: 0.2 in/hr @ 1.5' <0.06 in/hr @ 4' 14 15 REMARKS 3B - MTA TEST PIT USDA; 1/17/2023; 10:21:02 AM 13 2 8 78-120 9 11 1 5 6 10 Water Depth Content (ft) (%) 4 24-78 5 8 Stab.Time NE Reddish brown (5YR, 4/3) clay loam, 15% gravel, moderate medium subangular blocky, moist, friable, gradual smooth boundary 3 4 Groundwater Depth (ft.) Time Water Depth See Log Key for exploration of sample description and identification procedures. Stratification lines represent approximate boundaries between soil and bedrock types. Actual transitions may be gradual. Water level readings have been made at the times and under the conditions stated. Fluctuations of groundwater may occur due to other factors than those present at the times the measurements were made. Plate No.: 2B Remark GZA GeoEnvironmental, Inc.