J_2024 05 09_West Orange Stormwater Management Plan

TEST BORING LOG EXPLORATION NO.: SBH-4 SHEET: 1 of 2 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin PSE&G Engineers and Scientists 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.): 600.5 Date Start - Finish: 6/27/2022 - 6/27/2022 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 2 * S2 3 * S3 4-6 6 4 4 4 8 S4 6-8 6 4 3 2 7 S5 8-10 2 15 11 6 26 S6 10-12 5 7 8 8 CL 15 S7 15-17 3 4 5 3 Sample Description and Identification Gray-brown silty clay, some fine to medium sand, trace fine gravel (wet)(very stiff) Water Depth Content (ft) (%) 11.3 12.3 5 15.3 21.5 10 Brown clayey silt, little fine to medium sand, trace fine gravel (wet)(stiff) Reddish brown fine to coarse sand, some clayey silt, little fine to coarse gravel (wet)(loose) 9 Stab. Time 6/27/22 Fill - Brown clayey silt, some fine to coarse sand, trace fine gravel (moist)(medium to stiff) ML 15 Groundwater Depth (ft.) Time Water Depth 8" Topsoil Fill - Reddish brown fine to medium sand, and silt, trace fine gravel (moist) S1 10 Symbol Hammer Fall (in.): 30 Coring Time (min/ft) Hammer Weight (lb.): 140 Date Final Boring Depth (ft.): 45 15 SM 20 S8 20-22 10 22 20 11 - grading (dense) 42 20 Dark yellowish brown fine to coarse sand, and silt, trace fine gravel (wet)(very dense) 25 S9 S10 30-30.8 125 100/3" 100+ 25 SM Gray-brown fine to coarse gravel, little fine to coarse sand, little silt (weathered basalt)(wet)(very dense) 100+ 30 GP 35 35 * - Hand dug to 4' REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:08:21 AM 30 25-27 24 59 60 66 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.: 3D Remark GZA GeoEnvironmental, Inc. *

TEST BORING LOG EXPLORATION NO.: SBH-4 SHEET: 2 of 2 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin PSE&G Engineers and Scientists 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.): 600.5 Date Start - Finish: 6/27/2022 - 6/27/2022 Hammer Type: Automatic Hammer Auger or Casing O.D./I.D Dia (in.): 6 Rock Core Size: 2 Depth (ft) No. S11 Depth (ft.) Sample Blows (per 6 in.) 35-35.2 100/2" SPT Value 100+ 5.8 5.3 7.6 6.2 40 6.0 4.7 6.6 5.5 Symbol Hammer Fall (in.): 30 Coring Time (min/ft) Hammer Weight (lb.): 140 Date Final Boring Depth (ft.): 45 Groundwater Depth (ft.) Time Water Depth Stab. Time 6/27/22 Sample Description and Identification Gray fractured basalt, good quality, very close to close joint spacing ROCK CORE RUN NO. 1: 35' to 40' REC = 92% RQD = 78% ROCK CORE RUN NO. 2: 40' to 45' REC = 100% RQD = 76% Water Depth Content (ft) (%) 40 6.1 45 7.9 End of exploration at 45 feet. 45 50 55 60 70 REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:08:22 AM 65 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.: 3D Remark GZA GeoEnvironmental, Inc.

TEST BORING LOG EXPLORATION NO.: SBH-5 SHEET: 1 of 1 PROJECT NO: 26.0092704.00 REVIEWED BY: Chris McLaughlin PSE&G Engineers and Scientists 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.): 601.5 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 2 * S2 3 * S3 4-6 9 9 10 6 19 S4 6-8 4 4 3 3 7 S5 8-10 9 10 10 10 20 S6 10-12 12 14 14 15 15-17 7 7 8 10 15 17-19 17 12 15 12 27 15 S7 S8 Groundwater Depth (ft.) Time Water Depth Sample Description and Identification Fill - Reddish brown fine to coarse sand, and silt, little fine gravel (moist)(medium dense) Buried Topsoil - Very dark brown silty clay, trace fine sand, trace organics (slight organic odor) (moist)(medium) Brown clayey silt, some fine to medium sand, trace fine gravel (very moist)(very stiff) 28 Water Depth Content (ft) (%) 14.9 5 10.8 16.6 15.4 10 15 ML 20 20 S9 23-23.2 100/2" 100+ 25 11.8 7.5 10.1 10.7 - sampler refusal atop bedrock Gray fractured basalt, fair quality, very close to close joint spacing ROCK CORE RUN NO. 1: 25' to 30' REC = 100% RQD = 51% 9.0 30 7.5 6.1 4.1 4.2 ROCK CORE RUN NO. 2: 30' to 35' REC = 92% RQD = 75% - grading to fair-good quality 4.1 35 * - Hand dug to 4' 25 30 35 End of exploration at 35 feet. REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:08:22 AM Stab. Time 6/27/22 11" Topsoil Fill - Reddish brown clayey 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 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.: 3E Remark GZA GeoEnvironmental, Inc. *

TEST BORING LOG EXPLORATION NO.: TP-101 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.): +601 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.): 9.5 Groundwater Depth (ft.) Time Water Depth 5/31/22 Stab. Time 8 Sample Description and Identification Water Depth Content (ft) (%) Topsoil - Dark yellowish brown (10YR, 3/4) loam, 15% gravel, 10% cobbles, moderate medium subangular blocky to crumb, slightly moist, friable, clear wavy boundary, common fine to medium roots Fill - Yellowish red (5YR, 4/6) sandy loam, 20% gravel, 10% cobbles, moderate medium subangular blocky to crumb, moist, friable, clear wavy boundary 5 10 Fill - Dark reddish brown (5YR, 3/4) silty clay, 15% gravel, 5% cobbles, moderate medium subangular blocky, moist, friable, clear wavy boundary 5 Fill - Very dark gray (5Y, 3/1) clay, 10% gravel, 10% cobbles, moderate medium subangular blocky, moist to wet, firm End of exploration at 9.5 feet. Slight groundwater seepage encountered @ 8' Single Ring Test Results: Failed to drain during presoak @ 3' 15 REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:13:53 AM Tube Permeameter Test Results: <0.06 in/hr @ 6.5' <0.06 in/hr @ 9' 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.: 3A Remark PSE&G GZA GeoEnvironmental, Inc.

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.

TEST BORING LOG EXPLORATION NO.: TP-103 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.): +601.5 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.): 9.3 Groundwater Depth (ft.) Time Water Depth 5/31/22 Stab. Time 9 Sample Description and Identification Water Depth Content (ft) (%) Topsoil - Dark reddish brown (5YR, 3/3) silty clay, 5% gravel, moderate medium crumb, moist, friable, clear wavy boundary, common fine to medium roots Fill - Dark reddish brown (5YR, 3/3) silt loam, 10% gravel, 10% cobbles, moderate medium subangular blocky, moist, friable, few fine roots 5 Fill - Greenish gray (10Y, 6/1) clay, 5% gravel, 5% cobbles, 5% stone/boulders, moderate medium subangular blocky, moist, firm, to cemented, clear wavy boundary 5 Fill - Dark brown (10YR, 3/3) silty clay loam, 10% gravel, 5% cobbles, moderate medium subangular blocky to crumb, moist, friable 10 End of exploration at 9.3 feet. Slight groundwater seepage encountered @ 9' Single Ring Test Results: Failed to drain during presoak @ 3.3' 15 REMARKS 2 - MTA BORING LOG WITH CORES; 8/8/2022; 11:13:53 AM Tube Permeameter Test Results: 0.5 in/hr @ 6' 0.4 in/hr @ 9' 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.: 3C Remark PSE&G GZA GeoEnvironmental, Inc.

LETTER TYPICAL MAJOR DIVISIONS SYMBOL DESCRIPTIONS CLEAN Well-graded gravels, gravel- GRAVEL & GRAVELS cw fe es Be ees GRAVELLY SOILS (Little or no fines) CG Poorly-graded gravels, gravel- iP sand mixtures, little or no fines More than 50% of GRAVELS WITH a Silty gravels, gravel-sand-silt coarse fraction iM mixtures. COARSE RETAINED one 4h FINES GRAINED (Appreciable amount Clayey_ gravels, gravel-sand- SOILS of fines) GC clay mixtures. CLEAN SAND Well graded sands, gravelly SAND AND sw sands, little or no fines. More than 50% SANDY SOILS (Little or no fines) Poorly-graded sands, gravelly of material SP sands, little or no fines. is LARGER than No, 200 Sieve More than 50% of SANDS WITH Silty sands, sand-silt mixtures coarse fraction FINES SM PASSING a No. 4 Sieve (Appreciable amount Clayey sands, sand-clay of fines) sc mixtures. Inorganic silts and very fine ML sands, rock flour, silty or clayey fine sands or clayey silts with slight plasticity, FINE GRAINED | SILTS AND CLAYS Liquid limit Inorganic clays of low to SOILS LESS than 50 cL medium plasticity, gravelly clays, sandy clays, silty clays, Jean clays. Organic silts and organic silty More than 50% of OL clays of low plasticity, material is SMALLER than No. Tnorganic silts, micaceous or 200 Sieve. MH diatomaceous fine sand or silty Liquid limit soils. ILT: LAYS GREATER Inorganic clays of high SILTS.ANDG than 50 CH plasticity, fat clays. ‘Organic clays of medium to OH high plasticity, organic silts. HIGHLY ORGANIC SOILS PT Peat, humus, swamp soils with high organic contents NOTE: DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS. GRADATION* COMPACTNESS* CONSISTENCY* sand and/or gravel clay and/or silt Range of Shearing Strength in % Finer by Weight Relative Density Pounds per Square Foot Trace 0% to 10% Loose 0% 10 40% Very Soft Tess than 250, Little 10% t0 20% Medium Dense 40% to 70% Soft 250 to $00 Some 20% to 35% Dense 70% t0 90% Medium 500t0 1000 ‘And 35% to 50% Very Dense 90% to 100% ‘Stiff 1000 to 2000 Very Stiff 2000 to 4000 Hard Greater than 4000 *Values are from laboratory or field test data, where applicable. When no testing was performed, values are estimated. UNIFIED SOIL CLASSIFICATION SYSTEM SOIL CLASSIFICATION CHART PLATE 5

Texture Triangle: Fine Earth Texture Classes (———) 100 e ‘Ss 7. A > K) silty clay Oe. Yy Oo clay loam silty clay \“ loam & silt loam & 10 il S silt s v v v v v v v v % i) S oS S S S S DS Sand separate ( %) USDA SOIL CLASSIFICATION SYSTEM PLATE 6

ENGINEERING ROCK CLASSIFICATION AND CORE DESCRIPTION CHART (1) DESCRIPTIVE TERMINOLOGY FOR JOINT SPACING Description Term Spacing of Joints Very Close Close Moderately Close Wide Very Wide Less than 2 inches 2 inches to 1 foot 1 foot to 3 feet 3 feet to 10 feet Greater than 10 feet RELATIONSHIP OF RQD AND ROCK QUALITY Rock Quality Designation (RQD) (2) Description of Rock Quality 0 – 25% 25 – 50% 50 – 75% 75 – 90% 90 – 100% Very Poor Poor Fair Good Excellent (1) Core description system is based on a suggested system proposed in the ASCE Rock Mechanics Seminar in April and May of 1968 entitled “Geologic Considerations of Rock Mechanics” as presented by Don V. Deere. (2) “Rock Quality Designation” is defined as a modified core recovery ratio which considers only pieces of core that are at least 4 inches long. Obvious features induced by drilling are ignored in this system. MELICK-TULLY AND ASSOCIATES, a Division of GZA PLATE 7

#200 #140 #100 #60 #40 #30 #20 #10 #4 3/8 in. ½ in. ¾ in. 1 in. 1½ in. 2 in. 3 in. 6 in. Gradation Curve(s) 100 90 80 PERCENT FINER 70 60 50 40 30 20 10 0 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. % Cobbles 0.0 0.0 0.0 0.0 % Gravel Coarse Fine Coarse 6.1 2.7 0.1 0.2 % Sand Medium 16.1 18.2 7.4 7.6 % Fines Fine 23.4 15.3 29.3 30.0 Silt Clay 0.0 0.0 0.0 0.0 5.2 11.5 1.6 7.9 49.2 52.3 61.6 54.3 SOURCE SAMPLE NO. DEPTH (ft.) Material Description USCS SBH-1 S1 1.5 Silt, and fine to coarse Sand, trace fine Gravel (MC=19.3%) Fill SBH-1 S2 3-5 Clayey Silt, and f to m Sand, little f Gravel (MC=18.5%) ML SBH-3 S3 4-6 Clayey Silt, and f to m Sand, trace f Gravel (MC=20.8%) Fill SBH-3 S4B 6-8 Silty Clay, and f to m Sand, trace f Gravel (MC=17.2%) CL SOIL DATA SYMBOL Melick-Tully & Associates a Division of GZA GeoEnvironmental, Inc. South Bound Brook, NJ Client: PSE&G Project: West Orange Switching Station Lifecycle Projet - West Orange, NJ Project No.: 26.0092704.00 Plate 8A