J_2024 05 09_West Orange Stormwater Management Plan

TEST BORING LOG West Orange Logged By: Juan Matallana Type of Rig: Track Rig Boring Location: See Plan Drilling Co.: Craig Test Borings, Inc. Driller: Bryan Rig Model: CME 55LC Drilling Method: Mud Rotary Ground Surface Elev. (ft.): 602.5 Date Start - Finish: 6/28/2022 - 6/28/2022 Hammer Type: Automatic Hammer Auger or Casing O.D./I.D Dia (in.): 6 Rock Core Size: 2 Depth (ft) No. 5 Depth (ft.) Sample Blows (per 6 in.) SPT Value 1 * S2 3 * S3 4-6 4 3 3 3 6 S4 6-8 4 3 3 3 6 S5 8-10 9 9 9 7 18 S6 10-12 11 9 8 8 17 20 S7 15-17 13 7 10 8 S8 20-20.2 100/2" Fill - Reddish brown clayey silt, and fine to medium sand, trace fine gravel (wet)(medium) 17 SM 9.8 12.0 9.6 9.3 11.3 11.1 12.0 12.5 REMARKS - sampler refusal atop cobbles/boulders Gray fractured basalt, poor quality, very close joint spacing ROCK CORE RUN NO. 1: 25' to 30' REC = 100% RQD = 48% ROCK CORE RUN NO. 2: 30' to 35' REC = 28% RQD = 0% - grading to very poor quality 10.7 * - Hand dug to 4' * - Hand dug to 4' 14.5 5 Buried Topsoil - Dark gray silty clay, and fine to medium sand, trace fine gravel, trace organics (slight organic odor) (very moist)(medium) 10 Reddish brown silty clay, and fine to medium sand, little fine to coarse gravel (moist to wet)(very stiff) Reddish brown fine to medium sand, and clayey silt (wet)(medium dense) 12.0 35 Water Depth Content (ft) (%) 20.8 21.7 25 30 Sample Description and Identification Stab. Time * * CL 15 Groundwater Depth (ft.) Time Water Depth 11" Topsoil Fill - Reddish brown silt, and fine to medium sand, trace fine gravel, trace roots (moist) S1 10 Symbol Hammer Fall (in.): 30 Coring Time (min/ft) Hammer Weight (lb.): 140 Date Final Boring Depth (ft.): 35 Remark Engineers and Scientists 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:08:21 AM EXPLORATION NO.: SBH-3 SHEET: 1 of 1 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin PSE&G GZA GeoEnvironmental, Inc. 17.2 15 20 25 30 35 End of exploration at 35 feet. 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

ctual 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.: 3C