J_2024 05 09_West Orange Stormwater Management Plan

TEST BORING LOG EXPLORATION NO.: TP-102 SHEET: 1 of 1 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin Engineers and Scientists West Orange, NJ Logged By: Wesley Swanson Type of Rig: Track Excavator Boring Location: See Plan Drilling Co.: Furino & Sons Driller: Charlie Rig Model: Komatsu PC45 Drilling Method: Ground Surface Elev. (ft.): +599 Date Start - Finish: 5/31/2022 - 5/31/2022 Hammer Type: Donut Auger or Casing O.D./I.D Dia (in.): Rock Core Size: Depth (ft) No. Depth (ft.) Sample Blows (per 6 in.) SPT Value Symbol Hammer Fall (in.): 30 Coring Time (min/ft) Hammer Weight (lb.): 140 Date Final Boring Depth (ft.): 5 Groundwater Depth (ft.) Time Water Depth 5/31/22 Stab. Time 4 Sample Description and Identification Water Depth Content (ft) (%) Topsoil - Dark brown (7.5YR, 3/3) silty clay, 5% gravel, moderate medium crumb, moist, friable, clear wavy boundary, common fine to medium to coarse roots Possible Fill - Reddish brown (7.5YR, 4/3) loam, 15% gravel, 10% cobbles, weak medium crumb, slightly moist, friable, clear wavy boundary, few fine roots Possible Fill - Reddish brown (5YR, 4/4) silt loam, 15% gravel, 10% cobbles, moderate medium subangular blocky, moist, friable, clear wavy boundary 5 Reddish brown (5YR, 4/4) sandy loam, 15% gravel, 25% cobbles, moderate medium subangular blocky, wet, friable End of exploration at 5 feet. Moderate groundwater seepage encountered @ 4' Single Ring Test Results: Failed to drain during presoak @ 3' 5 Sidewalls collapsing below 4' Tube Permeameter Test Results: 0.6 in/hr @ 1' 0.5 in/hr @ 4.5' 15 REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:13:53 AM 10 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.: 3B Remark PSE&G GZA GeoEnvironmental, Inc.