Amendment 0004_101051 Gas Alley ACP For Construction Geotech Data Report.pdf

PDF 6 MB Posted Mar 13, 2026

Attached to: PROJECT TITLE: GAS ALLEY MODERNIZATION PROJECT AT FORT DRUM, NY
Solicitation number: W912DS26BA006
Issued by: Department of the Army Corps of Engineers Engineering District New York

About this file

Written by GovTribe AI · Mar 13, 2026

This is a subsurface exploration report documenting geotechnical and infiltration testing conducted at Fort Drum, New York for the Gas Alley Modernization Project (PN: 101051). QPK Design subcontracted Parratt-Wolff, Inc. to perform thirteen borings and twelve infiltration tests on May 22-23 and June 5, 2024, with infiltration testing completed on June 16, 2024. Borings were drilled to 10 feet or until groundwater was encountered, while infiltration test holes were drilled to 8 feet or 2 feet above the water table. A 4-inch PVC pipe was installed with a 12-inch bentonite seal in each infiltration test hole per 2022 New York State Stormwater Management Design Manual specifications.

The borings generally encountered medium dense to dense brown fine to coarse sand, with loose sand detected near existing utilities in five borings, and stiff to very stiff silt in the upper 2 to 4 feet of two locations. Groundwater was encountered between 8.0 and 10.0 feet below ground surface in all borings except one. Infiltration rates ranged from 5.5 to 24.0 inches per hour with an average of 17.3 inches per hour. Laboratory testing on representative soil samples included natural moisture content (ASTM D2216), sieve analysis (ASTM D1140), and hydrometer analysis (ASTM D422), with results classifying the soils as sand per USDA classification. The report includes boring and infiltration test hole logs, infiltration test results tables, and laboratory test data in three appendices.

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450 SOUTH SALINA ST PO BOX 29 | SYRACUSE NY 13201-0029 | T: 315.472.7806 | F: 315.472.7800 | WWW.QPKDESIGN.COM

September 25, 2025

Mr. Andrew Mitchell

Project Manager

New York District

U.S. Army Corps of Engineers

Fort Drum, NY 13602

Re: Subsurface Exploration REV 1

Gas Alley ACP

PN: 101051

Fort Drum, NY

224049.00

Dear Mr. Mitchell, This documents our subsurface exploration at Fort Drum for the Gas Alley ACP Project (PN: 101051). The primary objectives of the exploration were to:

1. Estimate soil types and consistency along the proposed development

2. Estimate depth to groundwater and infiltration rates at proposed stormwater facilities

Subsurface Exploration

QPK Design (QPK) subcontracted Parratt-Wolff, Inc. (PWI) to perform the subsurface exploration on May 22nd and 23rd, 2024 and on June 5th, 2024 consisting of thirteen (13) borings and twelve (12) infiltration tests at the locations shown on Figure 1. Borings were drilled with hollow stem augers and split spoon sampling was performed with an automatic hammer in accordance with ASTM D1586. Borings are designated as BT-1 through BT-15 and infiltration tests are designated at IT-1 through IT-13. Borings BT-2, BT-14, and Infiltration

Test IT-2 were omitted due to access constraints. Boring and Infiltration test hole logs are attached in Appendix

A. Infiltration tests performed in accordance with the 2022 New York State Stormwater Management Design

Manual.

QPK was on site on May 22nd, 2024 to walk the site with PWI, coordinate dig permit approvals, and to observe drilling activities.

Borings were drilled to a depth of 10 feet or until groundwater was encountered. Infiltration test holes were drilled without sampling to a depth of 8 feet or 2 feet above the water table. A 4-inch pvc pipe was installed to the bottom of the boring with a 12-inch bentonite seal on the outside of the pipe, as shown on Figure 2.

After the required presoaking period, QPK performed infiltration tests on June 16th, 2024. A minimum of 24 inches of water was added to each casing and depth of water was recorded after 60 minutes. Results of infiltration testing is included in Appendix B.

ARCHITECTURE | ENGINEERING | INTERIOR DESIGN | SITE + PLANNING

Subsurface Exploration Findings

Borings generally encountered medium dense to dense, brown, fine to coarse sand. Along the north side of westbound Ontario Ave, borings encountered loose, brown, fine sand from the ground surface to depths between 2 and 4 feet. Loose sand encountered in borings BT-1, 3, 5, 7, and 13 are near existing utilities and we surmise likely old fill. Stiff to very stiff, silt was encountered in the top 2 to 4 feet in borings BT-11 and BT-

15.

Groundwater was encountered in each boring between 8.0 feet and 10.0 feet below ground surface, with exception of boring BT-15 where groundwater was not encountered.

Infiltration rates ranged from 5.5 to 24.0 inches per hour, with an average infiltration rate of 17.3 inches per hour.

Laboratory Test Results

Laboratory testing was performed on representative soil samples for classification purposes (Appendix C).

The following test were performed:

1. Natural Moisture Content (ASTM D2216)

2. Sieve Analysis (ASTM D1140)

3. Hydrometer Analysis (ASTM D422)

Based on laboratory test results the USDA soils classification is sand.

Very truly yours, QPK DESIGN - Architecture Engineering Site & Planning

BRANDON RHEA, P.E.

Geotechnical Engineer

BR/JT

Figure 1: Boring and Infiltration Test Location Plan

Figure 2: Infiltration Test Setup

Appendix A: Boring and Infiltration Test Hole Logs

Appendix B: Infiltration Test Results

Appendix C: Laboratory Test Results

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640635

660655

670665

N:1474518.3527 E:1038681.9784

N:1474664.6144 E:1038872.7049

N:1474669.3072 E:1038895.6876

N:1474606.1822 E:1039248.2862

N:1474609.6115 E:1039261.7567

N:1474773.2134 E:1039359.5280

N:1474777.1806 E:1039383.3451

N:1474731.2855 E:1039593.3473

N:1474734.4619 E:1039615.9920

N:1474869.9233 E:1039817.5432

N:1474875.5817 E:1039839.4290

N:1474813.8472 E:1039998.2007

N:1474817.0288 E:1040022.4741

N:1475085.1001 E:1039979.3111

N:1475061.9390 E:1039981.3089

N:1474953.0966 E:1040090.5577

N:1474945.6846 E:1040108.9566

N:1475558.4340 E:1040150.8985

N:1474907.1697 E:1040416.3264

N:1474909.5736 E:1040438.7745

N:1474989.9613 E:1040860.5787

N:1474998.2931 E:1040888.1531

N:1475183.7608 E:1041050.6856

N:1475186.3245 E:1041075.0536

N:1475255.5425 E:1041396.9685

N:1475137.5070 E:1041646.6285

N:1474512.2457 E:1038661.5559

N:1474541.4905 E:1038412.2626

N:1474536.6393 E:1038391.9368

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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IT#1

DEPTH:9'

BT#1

DEPTH:11'

IT#2

DEPTH:9'

BT#2

DEPTH:11'

BT#3

DEPTH:11'

IT#3

DEPTH:9'

IT#4

DEPTH:9'

BT#4

DEPTH:11'

BT#5

DEPTH:12'

IT#5

DEPTH:10'

IT#6

DEPTH:10'

BT#6

DEPTH:12'

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DEPTH:10'

BT#7

DEPTH:12'

BT#9

DEPTH:12'

IT#9

DEPTH:10'

IT#10

DEPTH:10'

BT#10

DEPTH:12'

IT#8

DEPTH:10'

BT#8

DEPTH:12'

IT#11

DEPTH:10'

BT#11

DEPTH:12'

IT#12

DEPTH:10'

BT#12

DEPTH:12'

BT#13

DEPTH:12'

IT#13

DEPTH:10'

BT#15

DEPTH:12'

BT#14

DEPTH:12'

BT#16

DEPTH:12'

FIGURE 1

BORING AND INFILTRATION TEST

LOCATION PLAN

APPENDIX A

BORING AND INFILTRATION TEST HOLE LOGS

TEST BORING LOG 5879 Fisher Road East Syracuse, NY 13057

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-1

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 9.8' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.5' 3 3 Brown moist loose to dense fine SAND 2.0' 5 8 8 2.0'- S-2 1.0' 5 11 4.0' 13 15 24

5.0 4.0'- S-3 1.0' 14 17 6.0' 16 13 33 6.0'- S-4 1.3' 15 15 8.0' 18 23 33 8.0' 8.0'- S-5 1.5' 10 9 Brown moist to wet medium dense fine

WL▼ 10.0 10.0' 9 15 18 SAND, little silt Bottom of Boring 10.0'

15.0

20.0

25.0

30.0

35.0

40.0

638.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-1

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

638.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-3

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 8.0' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.0' 5 3 Brown moist loose to dense fine to medium

2.0' 2 5 5 SAND

2.0'- S-2 1.0' 5 5 4.0' 7 9 12

5.0 4.0'- S-3 1.5' 15 16 6.0' 16 16 32 6.0'- S-4 1.0' 11 10

WL ▼ 8.0' 10 15 20 8.0'

8.0'- S-5 1.0' 10 13 Brown wet medium dense fine to coarse

10.0 10.0' 17 20 30 SAND, trace silt Bottom of Boring 10.0'

Note: Gasoline-like odor observed at 10.0'

15.0

20.0

25.0

30.0

35.0

640.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-3

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

640.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-4

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING 8.0' DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.7' 2 6 Brown dry SILT, trace fine sand 0.5' 2.0' 8 4 14 Brown moist medium dense to dense fine 2.0'- S-2 1.5' 6 6 to medium SAND 4.0' 14 14 20

5.0 4.0'- S-3 1.9' 6 9 6.0' 15 13 24 6.0'- S-4 1.5' 17 19

WL ▼ 8.0' 16 17 35 8.0'

8.0'- S-5 1.5' 8 6 Brown wet medium dense fine to coarse

10.0 10.0' 10 10 16 SAND, trace fine gravel, trace silt Bottom of Boring 10.0'

15.0

20.0

25.0

30.0

35.0

642.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-4

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

642.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-5

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 8.0' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.0' 2 2 Brown dry to moist very loose to loose 2.0' 3 2 5 fine SAND 2.0'- S-2 1.0' 2 1 4.0' 1 1 2 4.0'

5.0 4.0'- S-3 1.5' 6 9 Brown moist medium dense fine SAND, 6.0' 10 17 19 trace silt 6.0'- S-4 1.5' 20 13

WL ▼ 8.0' 15 18 28 8.0'

8.0'- S-5 1.5' 10 11 Gray wet medium dense fine to medium

10.0 10.0' 11 13 22 SAND, trace silt Bottom of Boring 10.0'

Note: Gasoline-like odor observed at 10.0'

15.0

20.0

25.0

30.0

35.0

643.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-5

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

643.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-6

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING 10.0' DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.3' 9 10 Brown dry medium dense fine SAND, 2.0' 10 11 20 trace fine gravel 0.5' 2.0'- S-2 1.6' 9 14 Brown moist medium dense to very dense 4.0' 18 20 32 fine to coarse SAND

5.0 4.0'- S-3 1.2' 14 18 6.0' 20 23 38 6.0'- S-4 1.9' 28 26 8.0' 27 21 53 8.0'- S-5 1.4' 14 22

WL▼ 10.0 10.0' 41 45 63 10.0'

10.0'- S-6 0.5' 30 50/0.4' Brown wet very dense fine to coarse 10.9' SAND, trace fine gravel

Bottom of Boring 10.9'

15.0

20.0

25.0

30.0

35.0

645.6 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-6

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

10.0 Bottom of Boring 10.0'

Note: Installed 4" PVC to 10.0' Bentonite seal from 10.0' to 9.0'

15.0

20.0

25.0

30.0

35.0

645.6 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-7

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 8.0' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.5' 4 5 Brown dry loose to medium dense fine to 2.0' 4 5 9 coarse SAND 2.0'- S-2 1.0' 6 6 4.0' 7 10 13 4.0'

5.0 4.0'- S-3 1.5' 4 7 Brown moist medium dense fine to 6.0' 8 7 15 medium SAND 6.0'- S-4 1.3' 11 11

WL ▼ 8.0' 11 15 22 8.0'

8.0'- S-5 1.5' 20 15 Brown-gray wet dense fine SAND, trace

10.0 10.0' 18 13 33 silt Bottom of Boring 10.0'

Note: Gasoline-like odor observed at 10.0'

15.0

20.0

25.0

30.0

35.0

648.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-7

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

648.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-8

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING 8.0' DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.2' 17 10 Brown dry to moist very loose to medium 2.0' 5 5 15 dense fine SAND, trace fine gravel 2.0'- S-2 0.8' 3 1 4.0' 1 1 2

5.0 4.0'- S-3 No 2 2 6.0' Rec 2 3 4 6.0' 6.0'- S-4 1.4' 6 8 Brown moist medium dense fine SAND

WL ▼ 8.0' 6 5 14 8.0'

8.0'- S-5 1.5' 6 8 Brown wet medium dense fine SAND,

10.0 10.0' 10 10 18 trace silt Bottom of Boring 10.0'

15.0

20.0

25.0

30.0

35.0

651.0 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-8

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 05/22/24

WHILE DRILLING DATE COMPLETED: 05/22/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

10.0 Bottom of Boring 10.0'

Note: Installed 4" PVC to 10.0' Bentonite seal from 10.0' to 9.0'

15.0

20.0

25.0

30.0

35.0

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-9

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 8.0' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

0.0'- S-1 1.3' 5 8 Brown dry to moist medium dense fine to 2.0' 7 14 15 medium SAND 2.0'- S-2 1.0' 10 11 4.0' 11 13 22

5.0 4.0'- S-3 1.5' 15 10 6.0' 10 13 20 6.0'- S-4 1.0' 8 8

WL ▼ 8.0' 7 10 15 8.0'

8.0'- S-5 1.5' 5 6 Brown wet medium dense fine to medium

10.0 10.0' 7 7 13 SAND

Bottom of Boring 10.0'

15.0

20.0

25.0

30.0

35.0

652.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. IT-9

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C - NO. OF BLOWS TO DRIVE CASING 12" W/ # HAMMER

REMOVED FALLING "/ OR PERCENT CORE RECOVERY

CASING TYPE HOLLOW STEM AUGER SHEET 1 OF 1

SAMPLE

DRIVE STRATA

SAMPLE SAMPLE RECORD DESCRIPTION OF MATERIAL CHANGE

DEPTH DEPTH NO. Rec PER 6" N DEPTH

Drilled to 8.0' without sampling

5.0

Bottom of Boring 8.0' 10.0

Note: Installed 4" PVC to 8.0' Bentonite seal from 8.0' to 7.0'

15.0

20.0

25.0

30.0

35.0

652.5 FT +/-

PROJECT Gas Alley ACP Modernization

HOLE NO. BT-10

LOCATION Fort Drum, New York JOB NUMBER: 24042A

SURF. EL.

GROUNDWATER DEPTH DATE STARTED: 06/05/24

WHILE DRILLING 8.0' DATE COMPLETED: 06/05/24

BEFORE CASING N - NO. OF BLOWS TO DRIVE SAMPLER 12" W/140# HAMMER

REMOVED FALLING 30" - ASTM D-1586 STANDARD PENETRATION TEST

AFTER CASING C -…

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