DRAFT_140R4025R0006_Attachment_3_-_00_00_02A_GeologyDwgsAndLogs_NGWSP-Reach1Pipeline_11x17_12-09-2024_3.pdf

PDF 16 MB Posted Jan 10, 2025

Attached to: NGWSP REACH 1 PIPELINE REPAIRS
Solicitation number: 140R4025R0006
Issued by: Department of the Interior Bureau of Reclamation

About this file

Written by GovTribe AI · Jan 10, 2025

This is a geology drawings and logs document that appears to be Attachment 3 of solicitation 140R4025R0006 for the Navajo-Gallup Water Supply Project (NGWSP) Reach 1 Pipeline Repairs. The document contains technical geological drawings, maps, and borehole logs related to the pipeline route and repair locations. The drawings are formatted for 11x17 paper size and dated December 9, 2024. This is a draft version being released as part of the pre-solicitation package by the Bureau of Reclamation.

The document serves as a technical reference providing geological survey data and subsurface conditions that contractors would need to consider when preparing bids for the pipeline repair work. However, without access to view the actual drawings and logs, the specific geological details and subsurface conditions cannot be summarized.

View the file

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T H

S A

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 3-

S T

S A V

B Y

O R N

B U

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N A V A

-G A

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W A

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S A N

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A N

L A

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C H

GENERAL GEOLOGIC

LEGEND, EXPLANATION,

AND NOTES

FARMINGTON, NM

1695-529-60410

2024-03-20

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

ADMIN APPROVAL -

Beyer, Christopher

Thornburg, D

Graham, Kris

Beyer, Christopher R

Gladden, Ryan L P.E.

Deputy Construction Engineer

Km Qal

DHR1-22-1

TPR1-22-1

Km Qal

BEDROCK ABBREVIATIONS:

CLSTN - CLAYSTONE

SS- SANDSTONE

GEOLOGIC EXPLANATION GENERAL GEOLOGIC NOTESGENERAL GEOLOGIC LEGEND

STRATIGRAPHY

FILL

Qal

Kpc

D H

R 1-

-9

El ev

7.0

20.5

TD 29.2'

(CL)sg

(SP)g

Feet 0 100 200

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

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S A V

D A

-0 3-

S T

S A V

B Y

O R N

B U

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N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C H

A N

J U

A N

N G

N M

O D

O N

LOCATION OF

EXPLORATION

FARMINGTON, NM

1695-529-60398

2024-03-20

San Juan Generating

Station

General Map see drawing 1695-529-60397.

For General Geologic Legend, Explanation, and Notes see drawing 1695-529-60410.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Location Map see drawing 1695-529-60400.

For Reach 1 San Juan San Juan River Intake and Pumping Plant - Location of Exploration see drawing 1695-529-60399.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Surface Geology and Location of Sections see drawing 1695-529-60420

For Reach 1 San Juan San Juan River Intake and Pumping Plant Geologic Sections A-A', B-B', C-C', D-D', E-E, and F-F' see drawing 1695-529-60423.

For San Juan Generating Station Modifications Location Map see drawing 1695-529-60401.

For San Juan Generating Station Modifications - Surface Geology see drawing 1695-529-60429.

Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328.

TPR1-22-13

G ra ve l S ur fa ce

Kpc

Qal

Kpc

Qal

Qal/Fill

Qal

Kpc

Qal

Kpc Kpc

Qal

Kpc

Feet 0 100.0002 200.0004

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 3-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

S A N

J U

A N

N G

N R

V O

O D

O N

SURFACE GEOLOGY

FARMINGTON, NM

1695-529-60429

2024-03-20

San Juan Generating

Station

Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328.

General Map see drawing 1695-529-60397.

For General Geologic Legend, Explanation, and Notes see drawing 1695-529-60410.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Location Map see drawing 1695-529-60400.

For Reach 1 San Juan San Juan River Intake and Pumping Plant - Location of Exploration see drawing 1695-529-60399.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Surface Geology and Location of Sections see drawing 1695-529-60420

For Reach 1 San Juan San Juan River Intake and Pumping Plant Geologic Sections A-A', B-B', C-C', D-D', E-E, and F-F' see drawing 1695-529-60423.

For San Juan Generating Station Modifications Location Map see drawing 1695-529-60401.

For San Juan Generating Station Modifications Location of Exploration see drawing 1695-529-60398.

T H

S A

SHEET

B U

U O

F R

O N

U .S

A R

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C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 1-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C K

V E

GENERAL GEOLOGIC

LEGEND, EXPLANATIONS

AND NOTES

FARMINGTON, NM

1695-529-60340

2023-01-23

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

ADMIN APPROVAL -

CHRIS BEYER

D THORNBURG

CHRIS BEYER

Beyer, Christopher R

Gladden, Ryan L P.E.

Deputy Construction Engineer

GENERAL GEOLOGIC LEGEND

STRATIGRAPHY

GEOLOGIC EXPLANATION GENERAL GEOLOGIC NOTES

BEDROCK ABBREVIATIONS:

SS- SANDSTONE

CLSTN - CLAYSTONE

SLTSTN - SILTSTONE

Kmf Qal

DHR2-21-8

TPR2-21-5

DHR2-21-8

TPR2-21-5

Qal

Qtg

Kpc

Kch

Kmf

Kpl

D H

R 2-

-1

El ev

Pr oj

T.D. 80.0

10.5

COBBLES AND BOULDERS

SHALE

U S H

W A

Y 64 IN

IAN

SERVIC

E RO

TE 36

N 367

RD 6815

R D

RTE 362

NO NAME ROAD

RD 6800

TPR2-21-1

TPR2-21-3

TPR2-21-8

TPR2-21-11

TPR2-21-15

DHR2-21-11

DHR2-21-14

TPR2-21-1A

TPR2-22-5

TPR2-22-17

TPR2-22-13

TPR2-22-12

TPR2-22-10TPR2-22-9

TPR2-22-7TPR2-22-6TPR2-22-4

TPR2-22-2

TPR2-22-21

TPR2-22-20

TPR2-22-19

TPR2-22-18

TPR2-22-16

TPR2-22-14

WELLDHR2-22-16

WELLDHR2-22-17

DHPNM-21-1C

DHR2-22-19

DHR2-22-18

DHR2-22-13

DHR2-22-15

DHR2-22-12

DHR2-22-10

DHR2-22-8

DHR2-22-1

DHR2-22-9

DHR2-22-7

DHR2-22-6

DHR2-22-5-WELL

DHR2-22-4

DHR2-22-3

DHR2-22-2

DHR2-22-23 (HDD Entry Pit)

Description

DHPNM-21-1C

DHR2-22-1

DHR2-22-2

DHR2-22-3

DHR2-22-4

DHR2-22-5-WELL

DHR2-22-6

DHR2-22-7

DHR2-22-8

DHR2-22-9

DHR2-22-10

DHR2-22-12

DHR2-22-13

DHR2-22-15

DHR2-22-18

DHR2-22-19

WELLDHR2-22-16

WELLDHR2-22-17

Northing

2081589.02

2104541.06

2100979.33

2100550.85

2099864.28

2099703.04

2099266.54

2097845.33

2097348.74

2096759.29

2096310.14

2093768.27

2090908.63

2090491.70

2086760.03

2082528.18

2090009.86

2089796.70

Easting

2537208.86

2544828.18

2542943.10

2542966.29

2542934.78

2543037.71

2543178.68

2542967.85

2542728.26

2542803.54

2543107.81

2543007.10

2543463.69

2543056.35

2539997.84

2538924.19

2542892.49

2542846.16

Longitude

W108° 28' 03.25"

W108° 26' 31.46"

W108° 26' 54.35"

W108° 26' 54.03"

W108° 26' 54.36"

W108° 26' 53.08"

W108° 26' 51.32"

W108° 26' 53.80"

W108° 26' 56.70"

W108° 26' 55.73"

W108° 26' 51.95"

W108° 26' 52.99"

W108° 26' 47.16"

W108° 26' 52.13"

W108° 27' 29.41"

W108° 27' 42.26"

W108° 26' 54.10"

W108° 26' 54.66"

Latitude

N36° 43' 07.83"

N36° 46' 55.27"

N36° 46' 19.93"

N36° 46' 15.69"

N36° 46' 08.90"

N36° 46' 07.31"

N36° 46' 03.01"

N36° 45' 48.94"

N36° 45' 44.02"

N36° 45' 38.19"

N36° 45' 33.77"

N36° 45' 08.63"

N36° 44' 40.38"

N36° 44' 36.23"

N36° 43' 59.14"

N36° 43' 17.22"

N36° 44' 31.46"

N36° 44' 29.35"

Longitude (DEC DEG)

W108.46756925

W108.44207118

W108.44842986

W108.44834128

W108.44843382

W108.44807885

W108.44758803

W108.44827663

W108.44908364

W108.44881371

W108.44776517

W108.44805327

W108.44643228

W108.44781341

W108.45816879

W108.46173785

W108.44836206

W108.44851551

Latitude (DEC DEG)

N36.71884050

N36.78201839

N36.77220234

N36.77102585

N36.76913951

N36.76869844

N36.76750200

N36.76359468

N36.76222648

N36.76060876

N36.75938047

N36.75239696

N36.74455045

N36.74339811

N36.73309399

N36.72145112

N36.74207175

N36.74148545

Description

TPR2-22-2

TPR2-22-4

TPR2-22-5

TPR2-22-6

TPR2-22-7

TPR2-22-9

TPR2-22-10

TPR2-22-12

TPR2-22-13

TPR2-22-14

TPR2-22-16

TPR2-22-17

TPR2-22-18

TPR2-22-19

TPR2-22-20

TPR2-22-21

Northing

2102742.64

2101229.88

2100225.77

2099133.56

2098330.29

2093483.64

2092519.40

2089269.82

2089143.60

2089032.00

2086955.89

2085802.29

2084507.34

2083523.84

2081704.72

2081535.84

Easting

2544271.15

2543120.37

2542966.96

2543269.97

2543321.63

2543782.16

2543840.65

2542018.61

2541859.41

2541623.29

2540138.24

2539708.33

2539521.94

2539294.14

2538678.55

2537475.64

Longitude

W108° 26' 38.16"

W108° 26' 52.19"

W108° 26' 53.99"

W108° 26' 50.18"

W108° 26' 49.49"

W108° 26' 43.45"

W108° 26' 42.65"

W108° 27' 04.78"

W108° 27' 06.73"

W108° 27' 09.62"

W108° 27' 27.70"

W108° 27' 32.89"

W108° 27' 35.07"

W108° 27' 37.79"

W108° 27' 45.21"

W108° 27' 59.97"

Latitude

N36° 46' 37.45"

N36° 46' 22.42"

N36° 46' 12.48"

N36° 46' 01.70"

N36° 45' 53.76"

N36° 45' 05.86"

N36° 44' 56.33"

N36° 44' 24.09"

N36° 44' 22.83"

N36° 44' 21.71"

N36° 44' 01.08"

N36° 43' 49.65"

N36° 43' 36.83"

N36° 43' 27.09"

N36° 43' 09.07"

N36° 43' 07.32"

Longitude (DEC DEG)

W108.44393404

W108.44783012

W108.44833189

W108.44727343

W108.44707950

W108.44540151

W108.44518084

W108.45132823

W108.45186874

W108.45267209

W108.45769401

W108.45913538

W108.45974251

W108.46049785

W108.46255751

W108.46665785

Latitude (DEC DEG)

N36.77706895

N36.77289364

N36.77013296

N36.76713837

N36.76493294

N36.75162881

N36.74898138

N36.74002364

N36.73967412

N36.73936341

N36.73363449

N36.73045819

N36.72689801

N36.72419255

N36.71918488

N36.71869925

T H

S A

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 2-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C H

N M

V E

LOCATION OF

EXPLORATION

FARMINGTON, NM

1695-529-60355

2023-02-02

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

ADMIN APPROVAL -

Beyer, Christopher

D. Thornburg

Chris Beyer

Beyer, Christopher R

Gladden, Ryan L P.E.

Deputy Construction Engineer

0 1000' 2000'

RD 6800

Gravel Surface

Kpc

N20 W

5°

Kpc

Qal

Kpc

Qal

Kpc Kpc

Kpc

Qal

Kpc

Qal

Kpc

Qal

Kpc

Qal

Pond

TPR2-21-1

TPR2-21-3

TPR2-21-1A

DHR2-22-1

TPR2-22-4

TPR2-22-2

DHR2-22-3

DHR2-22-2

Feet 1:2400

4002000 100

1. Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

2. The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328

3. Contour interval is 2 feet.

GENERAL NOTES

General Map..........................................1695-529-60351.

Location Map.........................................1695-529-60352.

Location of Exploration Map.....................1695-529-60355.

General Geologic Legend, Explanation and Notes....................................................1695-529-60340.

Surface Geology...............................1695-529-60357 thru 1695-529-60362.

REFERENCE DRAWINGS

EET - 2

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 1-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C H

P N

M O

SURFACE GEOLOGY

FARMINGTON, NM

1695-529-60357

2023-01-23

RD 6800

S H

W A Y 64

Exisiting 42" PNM Pipeline

Shumway

Arroyo

Fa rm er s Mut ua l D itc h

Site 2-5

TPR2-22-5 DHR2-22-10

DHR2-22-8

TPR2-22-7

TPR2-22-6

2-22-4

DHR2-22-9

DHR2-22-7

DHR2-22-6

DHR2-22-5-WELL

DHR2-22-4

DHR2-22-3

DHR2-22-2

+00

S H

Feet 1:2400

4002000 100

1. Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

2. The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328

3. Contour interval is 2 feet.

GENERAL NOTES

REFERENCE DRAWINGS

General Map..........................................1695-529-60351.

Location Map.........................................1695-529-60352.

Location of Exploration Map.....................1695-529-60355.

General Geologic Legend, Explanation and Notes....................................................1695-529-60340.

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-2 .D

W G

S T

S A V

D A

-0 1-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C H

P N

M O

SURFACE GEOLOGY

FARMINGTON, NM

1695-529-60358

RD 6815

R D

Jewett Valley Ditch

Feet 1:2400

4002000 100

1. Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

2. The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328

3. Contour interval is 2 feet.

GENERAL NOTES

REFERENCE DRAWINGS

General Map..........................................1695-529-60351.

Location Map.........................................1695-529-60352.

Location of Exploration Map.....................1695-529-60355.

General Geologic Legend, Explanation and Notes....................................................1695-529-60340.

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-3 .D

W G

S T

S A V

D A

-0 1-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

C H

P N

M O

SURFACE GEOLOGY

FARMINGTON, NM

1695-529-60359

S a n J u a n R i v e r

U S

H W

DHR1-23-1

DHR1-23-10

DHR1-23-11

DHR1-23-15

DHR1-23-16

DHR1-23-17

DHR1-23-23

DHR1-23-24

OWR1-23-3

DHR1-23-4

OWR1-23-5

DHR1-23-6

OWR1-23-7

DHR1-23-8

DHR1-23-9

OWR1-23-PERC

TPR1-23-9

TPR1-23-5

TPR1-23-6

TPR1-23-1

TPR1-23-15

TPR1-23-14

TPR1-23-8

TPR1-23-3

TPR1-23-2

TPR1-23-7

TPR1-23-4

Qal

Qal/FILL

Qal

DHR1-23-2

N. 2093500 E.

N. 2093500

N. 2093000

Qal/FILL

T H

S A

SHEET

B U

U O

F R

O N

U .S

A R

O F

C A D

A ut oC A D

S T

C A D

A M

-5

-6

-R D

-1 .D

W G

S T

S A V

D A

-0 3-

S T

S A V

B Y

O R N

B U

R G

N A V A

-G A

U P

W A

R S

R O

C T

S A N

J U

A N

L A

R A L

C H

I N

K E

A N

D P

U M

G P

SURFACE GEOLOGY &

LOCATION OF GEOLOGIC

SECTIONS

FARMINGTON, NM

1695-529-60420

2024-03-20

DESIGNED

DRAWN

CHECKED

TECH. APPR.

APPROVED

ADMIN APPROVAL

Chris Beyer

D. Thornburg

Kris Graham

Beyer, Christopher R

Gladden, Ryan L P.E.

Deputy Construction Engineer

Feet 0 60 120

Coordinates based on New Mexico State Plane West Zone, feet. (NAD83).

The Ground to New Mexico State Plane West Zone Grid conversion factor is 0.999713762328.

General Map see drawing 1695-529-60397.

For General Geologic Legend, Explanation, and Notes see drawing 1695-529-60410.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Location Map see drawing 1695-529-60400.

For Reach 1 San Juan San Juan River Intake and Pumping Plant - Location of Exploration see drawing 1695-529-60399.

For Reach 1 San Juan San Juan River Intake and Pumping Plant Geologic Sections A-A', B-B', C-C', D-D', E-E, and F-F' see drawing 1695-529-60423.

For San Juan Generating Station Modifications Location Map see drawing 1695-529-60401.

For San Juan Generating Station Modifications Location of Exploration see drawing 1695-529-60398.

For San Juan Generating Station Modifications - Surface Geology see drawing 1695-529-60429.

BOTTOM OF HOLEBOTTOM OF HOLE

0.0 to 20.5 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 8.0 ft SILTY SAND:

About 80% predominately fine sand, about 20% fines with no plasticity, and no dry strength; trace gravel; maximum size. 50mm; grayish brown in color, moist.

8.0 to 20.5 ft CLAYEY SAND WITH GRAVEL:

About 60% predominately fine sand, trace medium to coarse sand; about 20% fines with low plasticity, low dry strength and low toughness; about 20% fine to coarse gravel; trace cobbles, maximum size, 150mm.

20.5 to 25.0.0 ft CRETACEOUS FRUITLAND FORMATION (Kf)

20.5 to 25.0 ft SANDSTONE:

Gray, fine grained, argillaceous, thickly to massively bedded, moderately hard (H4), slightly to moderately weathered (4), no reaction with HCl.

STRATIGRAPHY:

0.0 to 20.5 ft QUATERNARY ALLUVIUM (Qal)

20.5 to 25.0 ft CRETACEOUS FRUITLAND FORMATION (Kf)

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: Braden Samuels HELPER: Derek Nate, Mike Meadows

PURPOSE:

Foundation investigations at PNM River Pumping Plant site.

DRILL EQUIPMENT:

Eijkelkamp XL 240.

DRILL METHOD:

0.0 to 25.0 Sonic Drilling with 8" casing.

DRILLING MEDIUM:

0.0 to 25.0 none.

CASING RECORD/ DRILLING

NOTES:

0.0 to 25.0 ft 8" steel casing.

HOLE COMPLETION:

0.0 to 25.0 ft bentonite pellets.

SAMPLING:

SPT#1 5.0 to 6.5 ft SPT#2 10.0 to 11.5 ft (sample spilled, not enough material for gradation) SPT #3 15.0 to 16.5 ft

(SC)g

Qal/Fill

5076.7

5072.2

5076.7

5072.2

8/7/7

2/3/5 sank

(SC)g

4 4

DRILL HOLE DHR1-23-1SHEET 1 OF 1

Silty Sand Clayey Sand with Gravel

Bentonite seal with NO pipe

DRILL HOLE DHR1-23-1SHEET 1 OF 1

D E

P T

F ra ct ur e D en si ty

R Q

D R

Q D

F ra ct ur e D en si ty

STATE: New Mexico

SHEET 1 OF 1

BEGUN: 3/21/2023 FINISHED: 3/21/2023

REVIEWED BY: K. Graham

TOTAL DEPTH: 25.0 ft

ENGINEERING PROPERTIES

HSA= hollow stem auger FADC= flight auger dry core HQ3= coring system SPT= standard penetration test CA= California sample NA= not available ft= feet NE= not encountered N/P= nonplastic NR= no recovery HCl= hydrochloric acid FeOx= iron oxide CaCOx= calcium carbonate MnOx= manganese oxide SpG= specific gravity SL= shrinkage limit O.D.= outside diameter = water level

All angles measured from horizontal axis at zero degrees unless otherwise noted.

The data for the center column and "classification and physical condition" column are based on Bureau of Reclamation Engineering Geology Field Manual and drawings titled Geology for Designs and Specifications as follows "Drawing No. 40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No.

40-D-6499 Standard Descriptors and Descriptive Criteria for Discontinuities."

HOLE LOGGED BY: C. Beyer

GRAPHIC LEGEND:

LOCATION: Reach 1 Intake

DEPTH TO WATER & ELEVATION: 10.0 ft (5087.2)

ANGLE FROM HORIZONTAL: -90o

TOP OF CASING ELEVATION: NA

TOTAL DEPTH: 25.0 ft

HOLE LOGGED BY: C. BeyerDEPTH TO BEDROCK: 20.5 ft.

NOTES

DEPTH TO BEDROCK: 20.5 ft.

REVIEWED BY: K. Graham

NOTES

GEOLOGIC LOG OF DRILL HOLE NO. DHR1-23-1

COMMENTS:

STATE: New Mexico

SHEET 1 OF 1

WATER DEPTH MEASURED ON: 3/21/2023

PROJECT: Navajo Gallup Water Supply ProjectFEATURE: Reach 1 PNM Option

GROUND ELEVATION: 5097.2 ft

ANGLE FROM HORIZONTAL: -90o

DEPTH TO WATER & ELEVATION: 10.0 ft (5087.2)

BEGUN: 3/21/2023 FINISHED: 3/21/2023

GRAPHIC LEGEND:

GROUND ELEVATION: 5097.2 ftLOCATION: Reach 1 Intake

GEOLOGIC LOG OF DRILL HOLE NO. DHR1-23-1

WATER DEPTH MEASURED ON: 3/21/2023

PROJECT: Navajo Gallup Water Supply ProjectFEATURE: Reach 1 PNM Option

COORDINATES: N 2,093,295.6 E 2,552,917.2 NAD 83

H O

O M

H ar dn es s

W ea th er in g

G E

U N

G R

A P

E C

O V

E R

H O

O M

H ar dn es s

W ea th er in g

G E

U N

G R

A P

D E

P T

E C

O V

E R

K -V al ue ft

/y r)

S S

A T

CLASSIFICATION AND

PHYSICAL CONDITION

N E

W N

G W

E A

C H

N T

A K

D R

N G

I N

V E

S T

N S

.G P

J G

S T

D U

S L

A B

.G D

4/ 1/

G13

BOTTOM OF HOLE

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: B. Samuels HELPER: CJ. Weber, D. Nate

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 4.0: 4.25-inch HSA with pilot bit.

4.0 to 9.0: 4.25-inch HSA with dry core system with California and SPT sampling.

9.0 to 40.0: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 9.0: None

9.0 to 40.0: Water

CASING RECORD/ DRILLING NOTES:

0.0 to 4.0: HSA with pilot bit

4.0 to 6.5: FADC

6.5 to 9.0: FADC

9.0 to 12.0: HQ3

12.0 to 17.0: HQ3

17.0 to 22.0: HQ3

22.0 to 27.0: HQ3

27.0 to 32.0: HQ3

32.0 to 37.0: HQ3

37.0 to 40.0: HQ3 Casing removed.

HOLE COMPLETION:

0.0 to 40.0: Bentonite.

SAMPLING:

4.0 to 5.5: SPT

6.5 to 8.0: SPT

9.0 to 10.0: A CA

11.2 to 12.0: A HQ3

13.0 to 13.9: B HQ3

18.5 to 19.4: C HQ3

23.0 to 23.6: D HQ3

37.9 to 38.7: E HQ3

Qal

Kpc

0.0 to 8.3 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 4.3 ft LEAN CLAY (CL): About 90% fines with medium plasticity, medium toughness, medium dry strength and no dilatancy; about 10% fine sand; maximum size, fine sand; brown and dry; weak reaction with HCl.

LAB TEST DATA: Test interval 4.0 to 5.5 ft; 57.4% fines, 40.6% sand, 2.0% gravel; LL= 27.2, PI= 7.7, SpG= 2.67, moisture= 4.8%. Lab classification is SANDY LEAN CLAY s(CL). Sample representative of 1.1 ft of the sample interval. Test extended into underlying interval.

4.3 to 8.3 ft SANDY LEAN CLAY s(CL): About 60% fines with medium plasticity, low toughness, low dry strength and no dilatancy; about 35% fine to coarse, hard, angular to rounded sand; about 5% fine, hard, angular to subrounded gravel;

maximum size, 30 mm; brown and dry; weak reaction with HCl.

LAB TEST DATA: Test interval 6.5 to 8.0 ft; 41.6% sand, 58.4% fines, LL= 36.7, PI= 9.9, SpG= 2.76, moisture= 2.8%. Lab classification is SANDY SILT s(ML). Sample representative of 1.4 ft of the sample interval.

8.3 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc)

8.3 to 12.0 ft SANDSTONE: Light gray color, fine grained and argillaceous; moderately soft (H5) and intensely weathered (W7); moderately to thinly bedded and dips from 11° to horizontal; easily separates on bedding planes;

mechanical breaks and bedding plane separation throughout core; no reaction with HCl.

12.0 to 14.2 ft SANDSTONE: Light brown color, fine grained and argillaceous; moderately soft (H5) and intensely weathered (W7); moderately to thinly bedded and dips from 11° to horizontal; easily separates on bedding planes;

mechanical breaks and bedding plane separation throughout core; gypsum in some bedding planes; no reaction with HCl.

14.2 to 21.5 ft SANDSTONE: Light to dark gray and brown color, fine grained and argillaceous; moderately soft (H5) and moderately weathered (W5); moderately to thinly bedded and dips from 11° to horizontal; easily separates on bedding planes; mechanical breaks and bedding plane separation throughout core; gypsum in some bedding planes; very soft (H7) claystone lamination present; no reaction with HCl.

21.5 to 35.4 ft SANDSTONE: Light gray color, fine grained and argillaceous; moderately soft (H5) and moderately weathered (W5); moderately to thinly bedded and dips from 11° to horizontal; easily separates on bedding planes;

mechanical breaks and bedding plane separation throughout core; no reaction with HCl.

35.4 to 40.0 ft SANDSTONE: Light to dark gray and brown color, fine grained and argillaceous; moderately soft (H5) and moderately weathered (W5); moderately to thinly bedded and dips from 11° to horizontal; mechanical breaks and bedding plane separation throughout core; gypsum in some bedding planes; very soft (H7) claystone lamination present; no reaction with HCl.

STRATIGRAPHY:

0.0 to 8.3 ft QUATERNARY ALLUVIUM (Qal)

8.3 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc)

Sample

FD1

FD0

s(CL)

Sandstone

5155.1

5151.5

5119.8

Bentonite seal with NO pipe

Lean Clay Sandy Lean Clay

Sandstone

SHEET 1 OF 1 DRILL HOLE DHR2-22- 2

N G

W S

P R

O C

K R

E A

C H

N M

D R

H O

.G P

J G

S T

D U

S L

A B

.G D

/6 /2

GROUND ELEVATION: 5159.8 ft NAVD88

HOLE LOGGED BY: P. Gardner

REVIEWED BY:

DEPTH TO BEDROCK: 8.3 ft

WATER DEPTH MEASURED ON: 3/18/2022 TOP OF CASING ELEVATION: NA

ANGLE FROM HORIZONTAL: -90oBEGUN: 3/18/2022 FINISHED: 3/18/2022

NOTES R

H O

O M

TOTAL DEPTH: 40.0 ft

FEATURE: Reach 2

G E

U N

D E

P T

S S

A T

COORDINATES: N 2100979.3 E 2542943.1 NAD83

CLASSIFICATION AND

PHYSICAL CONDITION

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22- 2 SHEET 1 OF 1

GRAPHIC LEGEND:HSA= hollow stem auger FADC= flight auger dry core HQ3= coring system SPT= standard penetration test CA= California sample NA= not available ft= feet NE= not encountered N/P= nonplastic NR= no recovery HCl= hydrochloric acid FeOx= iron oxide CaCOx= calcium carbonate MnOx= manganese oxide SpG= specific gravity SL= shrinkage limit O.D.= outside diameter = water level

All angles measured from horizontal axis at zero degrees unless otherwise noted.

H ar dn es s

G R

A P

F ra ct ur e D en si ty

W ea th er in g

B lo w s pe r

F oo t (S am pl e In te rv al

LOCATION: Pipeline Alignment

E C

O V

E R

PROJECT: Navajo Gallup Water Supply Project STATE: New Mexico

ENGINEERING PROPERTIES

COMMENTS:

DEPTH TO WATER & ELEVATION: NE

G14

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: B. Samuels HELPER: CJ. Weber, D. Nate

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 4.0: 4.25-inch HSA with pilot bit.

4.0 to 5.4: 4.25-inch HSA with dry core system and SPT sampling.

5.4 to 40.0: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 5.4: None

5.4 to 40.0: Water

CASING RECORD/ DRILLING NOTES:

0.0 to 4.0: HSA with pilot bit

4.0 to 5.4: FADC

5.4 to 7.0: FADC

7.0 to 12.0: HQ3

12.0 to 17.0: HQ3

17.0 to 22.0: HQ3

22.0 to 27.0: HQ3

27.0 to 32.0: HQ3

32.0 to 37.0: HQ3

37.0 to 40.0: HQ3 Casing removed.

HOLE COMPLETION:

0.0 to 40.0: Bentonite

SAMPLING:

4.0 to 5.5: SPT

9.8 to 10.9: A HQ3

18.4 to 19.4: B HQ3

29.7 to 30.7: C HQ3

37.6 to 38.6: D HQ3

Qal

Kpc

0.0 to 5.4 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 4.4 ft LEAN CLAY (CL): About 90% fines with medium plasticity, medium toughness, medium dry strength and no dilatancy; about 10% fine sand; maximum size, fine sand; brown and dry; strong reaction with HCl.

LAB TEST DATA: Test interval 4.0 to 5.5 ft; 50.1% sand, 49.9% fines, LL= 29.5, PI= 5.9, SpG= 2.69, moisture= 8.7%. Lab classification is SILTY, CLAYEY SAND (SC-SM). Sample representative of 0.9 ft of the sample interval. Test extended into underlying interval.

4.4 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc)

5.4 to 10.2 ft SANDSTONE: Light brown color, fine grained and argillaceous; moderately soft (H5) and intensely weathered (W7); laminated to thinly bedded and dips from 19° to horizontal; easily separates on bedding planes; mechanical breaks and bedding plane separation throughout core; gypsum present; no reaction with HCl.

10.2 to 15.4 ft SANDSTONE: Light gray color, fine grained and argillaceous; moderately soft (H5) and intensely weathered (W7); thinly bedded and dips from 19° to horizontal;

easily separates on bedding planes; mechanical breaks and bedding plane separation throughout core; gypsum present;

no reaction with HCl.

15.4 to 17.0 ft SHALE: Light to dark gray and black color;

very soft (H7) and moderately weathered (W5); laminate beds of sandstone and claystone; easily separates on bedding planes; mechanical breaks and bedding plane separation throughout core; no reaction with HCl.

17.0 to 30.7 ft SANDSTONE: Light gray color and fine to medium grained; moderately soft (H5) and slightly weathered (W3); laminated to thinly bedded; very soft (H7) claystone lamination at 22.0 ft below ground surface; strong reaction with HCl.

30.7 to 38.6 ft SHALE: Light to dark gray and black color;

very soft (H7) and slightly weathered (W3); laminate beds of sandstone and claystone; easily separates on bedding planes;

mechanical breaks and bedding plane separation throughout core; no reaction with HCl.

38.6 to 40.0 ft SANDSTONE: Light gray color and fine to medium grained; moderately soft (H5) and slightly weathered (W3); laminated to thinly bedded; strong reaction with HCl.

STRATIGRAPHY:

0.0 to 5.4 ft QUATERNARY ALLUVIUM (Qal)

5.4 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc) refusal

FD2

FD1

FD0

Sandstone

Shale

Sandstone

Shale

Sandstone

5151.3

5141.3

5139.7

5126.0

5118.1

5116.7

Bentonite seal with NO pipe

Lean Clay Sandstone

Shale

SHEET 1 OF 1 DRILL HOLE DHR2-22- 3

N G

W S

P R

O C

K R

E A

C H

N M

D R

H O

.G P

J G

S T

D U

S L

A B

.G D

/6 /2

GROUND ELEVATION: 5156.7 ft NAVD88

HOLE LOGGED BY: P. Gardner

REVIEWED BY:

DEPTH TO BEDROCK: 5.4 ft

WATER DEPTH MEASURED ON: 3/19/2022 TOP OF CASING ELEVATION: NA

ANGLE FROM HORIZONTAL: -90oBEGUN: 3/19/2022 FINISHED: 3/19/2022

NOTES R

H O

O M

TOTAL DEPTH: 40.0 ft

FEATURE: Reach 2

G E

U N

D E

P T

S S

A T

COORDINATES: N 2100550.8 E 2542966.3 NAD83

CLASSIFICATION AND

PHYSICAL CONDITION

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22- 3 SHEET 1 OF 1

All angles measured from horizontal axis at zero degrees unless otherwise noted.

H ar dn es s

G R

A P

F ra ct ur e D en si ty

W ea th er in g

B lo w s pe r

F oo t (S am pl e In te rv al

LOCATION: Pipeline Alignment

E C

O V

E R

PROJECT: Navajo Gallup Water Supply Project STATE: New Mexico

ENGINEERING PROPERTIES

COMMENTS:

DEPTH TO WATER & ELEVATION: NE

G15

Qal

2.3

2.0

3.5

4.1

3.6

12.6

s(ML)

0.0

4.2

0.0

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: B. Samuels HELPER: CJ. Weber, D. Nate

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 4.0: 4.25-inch HSA with pilot bit.

4.0 to 29.0: 4.25-inch HSA with dry core system and SPT sampling.

29.0 to 40.0: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 29.0: None

29.0 to 40.0: Water

CASING RECORD/ DRILLING

NOTES:

0.0 to 4.0: HSA with pilot bit

4.0 to 6.5: FADC

6.5 to 9.0: FADC

9.0 to 11.5: FADC

11.5 to 14.0: FADC

14.0 to 19.0: FADC

19.0 to 24.0: FADC

24.0 to 29.0: FADC

29.0 to 32.0: HQ3

32.0 to 37.0: HQ3

37.0 to 40.0: HQ3 Casing removed.

HOLE COMPLETION:

0.0 to 40.0: Bentonite

SAMPLING:

4.0 to 5.5: SPT

6.5 to 8.0: SPT

9.0 to 10.5: SPT

11.5 to 13.0: SPT

14.0 to 15.5: SPT

19.0 to 20.5: SPT

24.0 to 25.5: SPT

29.0 to 30.5: SPT

30.5 to 31.2: A HQ3

34.6 to 35.3: B HQ3

51.1

60.9

72.5

66.5

77.5

43.3

0.0 to 28.2 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 4.0 ft SILTY SAND (SM): About 80% fine to medium sand; about 20% nonplastic fines with no dry strength and rapid dilatancy; trace of fine to coarse, hard, subrounded gravel; trace of hard, rounded cobbles; maximum size, 5-inch; brown and dry; weak reaction with HCl.

4.0 to 19.3 ft SILTY SAND (SM): About 85% fine sand; about 15% nonplastic fines with no dry strength and rapid dilatancy; trace of fine to coarse, hard, rounded gravel; maximum size, 25 mm; brown and dry; weak reaction with HCl.

LAB TEST DATA: Test interval 4.0 to 5.5 ft;

51.1% sand, 48.9% fines, LL= NA, PI= NP, SpG= 2.67, moisture= 2.3%; lab classification is SILTY SAND (SM); sample representative of

1.4 ft of the sample interval.

LAB TEST DATA: Test interval 6.5 to 8.0 ft;

60.9% sand, 29.1% fines, LL= NA, PI= NP, SpG= 2.70, moisture= 2.0%; lab classification is SILTY SAND (SM); sample representative of

1.4 ft of the sample interval.

LAB TEST DATA: Test interval 9.0 to 10.5 ft;

72.5% sand, 27.5% fines, LL= NA, PI= NP, SpG= 2.70, moisture= 3.5%; lab classification is SILTY SAND (SM); sample representative of

1.5 ft of the sample interval.

LAB TEST DATA: Test interval 11.5 to 13.0 ft;

66.5% sand, 33.5% fines, LL= NA, PI= NP, SpG= 2.70, moisture= 4.1%; lab classification is SILTY SAND (SM); sample representative of

1.5 ft of the sample interval.

LAB TEST DATA: Test interval 14.0 to 15.5 ft;

77.5% sand, 18.3% fines, 4.2% gravel; LL= NA, PI= NP, SpG= 2.72, moisture= 3.6%; lab classification is SILTY SAND (SM); sample representative of 1.4 ft of the sample interval.

LAB TEST DATA: Test interval 19.0 to 21.5 ft;

56.7% fines, 43.3% sand, LL= NA, PI= NP, SpG= 2.67, moisture= 12.6%; lab classification is SANDY SILT s(ML); sample representative of

1.4 ft of the sample interval; test extended into underlying interval.

19.3 to 22.7 ft CLAYEY SAND (SC): About 80% fine sand; about 20% fines with low plasticity, low toughness, low dry strength and slow dilatancy;

maximum size, fine sand; brown and dry; weak reaction with HCl.

22.7 to 27.6 ft SILTY SAND (SM): About 85% fine sand; about 15% nonplastic fines with no dry strength and rapid dilatancy; trace of fine to coarse, hard, rounded gravel; maximum size, 50 mm; brown and dry; no reaction with HCl.

LAB TEST DATA: Test interval 24.0 to 25.5 ft;

90.4% sand, 9.6% fines, LL= NA, PI= NP, SpG= 2.68, moisture= 3.7%; lab classification is POORLY GRADED SAND WITH SILT (SP-SM);

sample representative of 1.5 ft of the sample interval.

27.6 to 28.2 ft GRAVELY LEAN CLAY WITH SAND g(CL)s: About 55% fines with medium plasticity, medium toughness, medium dry strength and no dilatancy; about 35% fine, hard, rounded gravel; about 10% fine sand; maximum size, 50 mm;

dark brown and dry; strong reaction with HCl.

LAB TEST DATA: Test interval 29.0 to 30.5 ft;

64.9% fines, 35.1% sand, LL= 33.1, PI= 18.1, SM

5128.6

48.9

29.1

27.5

33.5

18.3

56.7

GRAPHIC LEGEND:

Bentonite seal with NO pipe

SHEET 1 OF 2 DRILL HOLE DHR2-22- 8

Silty Sand Clayey Sand

Gravelly Clay with Sand Shale

Sandstone

O R

A T

O R

Y C

H O

O M

U A

L C

O R

E R

E C

O V

E R

REVIEWED BY:DATE MEASURED: 3/23/2022

FEATURE: Reach 2

TOTAL DEPTH: 40.0 ft

G R

A P

B lo w s pe r

F oo t (S am pl e In te rv al

D E

P T

PROJECT: Navajo Gallup Water Supply Project

ANGLE FROM HORIZONTAL: -90°

LOCATION: Pipeline Alignment

NOTES

STATE: New Mexico

HOLE LOGGED BY: P. Gardner

TOP OF CASING ELEVATION: NA

DEPTH TO BEDROCK: 28.2

COORDINATES: N 2097348.74 E 2542728.26 NAD83

G E

S Y

M B

L LABORATORY DATA

BEGUN: 3/23/22 FINISHED: 3/23/22

GROUND ELEVATION: 5147.9 ft NAVD88

CLASSIFICATION AND

PHYSICAL CONDITION

A N

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22- 8

R A

V E

S T

D E

M O

U R

E C

O N

T E

N T

SHEET 1 OF 2

DEPTH AND ELEVATION OF WATER LEVEL: NA

N G

W S

P S

R E

A C

P N

M D

L H

S .G

P J

T S

T D

U S

L A

B .G

D T

COMMENTS: HSA= hollow stem auger FADC= flight auger dry core HQ3= coring system SPT= standard penetration test CA= California sample NA= not available ft= feet NE= not encountered N/P= nonplastic NR= no recovery HCl= hydrochloric acid FeOx= iron oxide CaCOx= calcium carbonate MnOx= manganese oxide SpG= specific gravity SL= shrinkage limit O.D.= outside diameter = water level

All angles measured from horizontal axis at zero degrees unless otherwise noted.

40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No. 40-D-6499 Standard Descriptors and Descriptive Criteria for Discontinuities."

G16

Kpc

33.1

18.1

3.7

13.3

SP-SM

s(CL)

0.0

90.4

35.1

SpG= 2.72, moisture= 13.3%; lab classification is SILTY SAND (SM); sample representative of

1.4 ft of the sample interval.

28.2 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc)

28.2 to 31.2 ft SHALE: Brown color interbedded sandstone and claystone; very soft (H7) and intensely weathered (W7); laminated to thinly bedded and dips from 9° to horizontal; unfractured (FD0) and friable; mechanical breaks and bedding plane separation throughout core; FeOx and gypsum present; no reaction with HCl.

31.2 to 38.4 ft SANDSTONE: Brown color and fine grained; moderately soft (H5) and intensely weathered (W7); laminated to thickly bedded and dips from 9° to horizontal; unfractured (FD0) and friable; mechanical breaks and bedding plane separation throughout core; very soft (H7) claystone lamination; FeOx and MnOx staining present; no reaction with HCl.

38.4 to 40.0 ft SHALE: Brown color interbedded sandstone and claystone; very soft (H7) and intensely weathered (W7); laminated to thinly bedded and dips from 9° to horizontal; unfractured (FD0) and friable; mechanical breaks and bedding plane separation throughout core; FeOx and gypsum present; no reaction with HCl.

STRATIGRAPHY:

0.0 to 28.2 ft QUATERNARY ALLUVIUM (Qal)

28.2 to 40.0 ft CRETACEOUS PICTURED CLIFFS (Kpc)

g(CL)s

Shale

Sandstone

Shale

5125.2

5120.3

5119.7

5116.7

5109.5

5107.9

9.6

64.9

GRAPHIC LEGEND:

Bentonite seal with NO pipe

SHEET 2 OF 2 DRILL HOLE DHR2-22- 8

Silty Sand Clayey Sand

Gravelly Clay with Sand Shale

Sandstone

O R

A T

O R

Y C

H O

O M

U A

L C

O R

E R

E C

O V

E R

REVIEWED BY:DATE MEASURED: 3/23/2022

FEATURE: Reach 2

TOTAL DEPTH: 40.0 ft

G R

A P

B lo w s pe r

F oo t (S am pl e In te rv al

D E

P T

PROJECT: Navajo Gallup Water Supply Project

ANGLE FROM HORIZONTAL: -90°

LOCATION: Pipeline Alignment

NOTES

STATE: New Mexico

HOLE LOGGED BY: P. Gardner

TOP OF CASING ELEVATION: NA

DEPTH TO BEDROCK: 28.2

COORDINATES: N 2097348.74 E 2542728.26 NAD83

G E

S Y

M B

L LABORATORY DATA

BEGUN: 3/23/22 FINISHED: 3/23/22

GROUND ELEVATION: 5147.9 ft NAVD88

CLASSIFICATION AND

PHYSICAL CONDITION

A N

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22- 8

R A

V E

S T

D E

M O

U R

E C

O N

T E

N T

SHEET 2 OF 2

DEPTH AND ELEVATION OF WATER LEVEL: NA

N G

W S

P S

R E

A C

P N

M D

L H

S .G

P J

T S

T D

U S

L A

B .G

D T

All angles measured from horizontal axis at zero degrees unless otherwise noted.

40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No. 40-D-6499 Standard Descriptors and

G17

Qtg

3.1

3.2

4.4

6.1

8.3

s(ML)

1.4

0.0

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: CJ. Weber HELPER: M. Howell

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 4.0: 4.25-inch HSA with pilot bit.

4.0 to 18.7: 4.25-inch HSA with FADC and SPT sampling.

18.7 to 24.0: 4.25-inch HSA with pilot bit.

24.0 to 34.5: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 24.0: None

24.0 to 34.5: Water

CASING RECORD/ DRILLING

NOTES:

0.0 to 4.0: HSA with pilot bit

4.0 to 6.5: FADC

6.5 to 9.0: FADC

9.0 to 11.5: FADC

11.5 to 14.0: FADC

14.0 to 18.7: FADC

18.7 to 24.0: HSA with pilot bit

24.0 to 25.6: HQ3

25.6 to 27.0: HQ3

27.0 to 32.0: HQ3

32.0 to 34.5: HQ3 Casing removed.

HOLE COMPLETION:

0.0 to 34.5: Bentonite

SAMPLING:

4.0 to 5.5: SPT

6.5 to 8.0: SPT

9.0 to 10.5: SPT

11.5 to 13.0: SPT

14.0 to 15.5: SPT

51.2

50.9

39.3

51.3

55.6

0.0 to 18.0 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 9.4 ft SANDY LEAN CLAY s(CL): About 60% fines with low plasticity, low toughness, low dry strength and slow dilatancy; about 40% predominantly fine sand; trace of fine, hard, subangular to subrounded gravel; maximum size, 10 mm; brown and dry; strong reaction with HCl.

9.4 to 18.0 ft SANDY LEAN CLAY s(CL): About 55% fines with low plasticity, low toughness, low dry strength and slow dilatancy; about 45% predominantly fine sand; trace of fine, hard, subangular to subrounded gravel; maximum size, 10 mm; brown and moist at 13.6 ft below ground surface; strong reaction with HCl.

18.0 to 34.5 ft QUATERNARY TERRACE GRAVEL (Qtg)

18.0 to 18.7 ft CLAYEY GRAVEL (GC): About 50% fine to coarse, hard, subrounded to rounded gravel; about 40% fine to coarse, hard angular to rounded sand; about 10% fines with low plasticity, low toughness, low dry strength and slow dilatancy;

maximum size, 50 mm; brown and dry; strong reaction with HCl.

18.7 to 24.0 ft NO RECOVERY: Hollow stem auger with pilot bit; interpreted to be cobbles and boulders by drilling characteristics.

24.0 to 34.5 ft POOR RECOVERY: Recovered cobbles and gravels washed by the drilling process;

some recovery determined to be greater than 5-inches; flowing sand encountered at 28.0 ft below ground surface.

STRATIGRAPHY:

0.0 to 18.0 ft QUATERNARY ALLUVIUM (Qal)

18.0 to 34.5 ft QUATERNARY TERRACE GRAVEL (Qtg) s(CL)

Cobbles and boulders

5127.5

5111.0

47.4

49.1

60.7

47.7

44.4

GRAPHIC LEGEND:

Bentonite seal with NO pipe

SHEET 1 OF 1 DRILL HOLE DHR2-22- 9

Sandy Lean Clay Clayey Gravel

Boulders and cobbles

O R

A T

O R

Y C

H O

O M

U A

L C

O R

E R

E C

O V

E R

REVIEWED BY:DATE MEASURED: 4/16/2022

FEATURE: Reach 2

TOTAL DEPTH: 34.5 ft

G R

A P

B lo w s pe r

F oo t (S am pl e In te rv al

D E

P T

PROJECT: Navajo Gallup Water Supply Project

ANGLE FROM HORIZONTAL: -90°

LOCATION: Pipeline Alignment

NOTES

STATE: New Mexico

HOLE LOGGED BY: P. Gardner

TOP OF CASING ELEVATION: NA

DEPTH TO BEDROCK: NE

COORDINATES: N 2096759.29 E 2542803.54 NAD83

G E

S Y

M B

L LABORATORY DATA

BEGUN: 4/15/22 FINISHED: 4/16/22

GROUND ELEVATION: 5145.5 ft NAVD88

CLASSIFICATION AND

PHYSICAL CONDITION

A N

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22- 9

R A

V E

S T

D E

M O

U R

E C

O N

T E

N T

SHEET 1 OF 1

DEPTH AND ELEVATION OF WATER LEVEL: 23.1 ft (5122.4)

N G

W S

P S

R E

A C

P N

M D

L H

S .G

P J

T S

T D

U S

L A

B .G

D T

All angles measured from horizontal axis at zero degrees unless otherwise noted.

40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No. 40-D-6499 Standard Descriptors and Descriptive Criteria for Discontinuities."

5122.4

5126.8

G18

7.8

10.2

12.9

18.3

s(ML) s(ML) s(ML)

0.0

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: B. Samuels HELPER: CJ. Weber, D. Nate

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 4.5: 4.25-inch HSA with pilot bit.

4.5 to 21.2: 4.25-inch HSA with FADC and SPT sampling.

21.2 to 30.4: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 21.2: None

21.2 to 30.4: Water

CASING RECORD/ DRILLING

NOTES:

0.0 to 4.5: HSA with pilot bit

4.5 to 7.0: FADC

7.0 to 9.5: FADC

9.5 to 12.0: FADC

12.0 to 14.5: FADC

14.5 to 19.0: FADC

19.0 to 21.2: FADC Refusal

21.2 to 22.0: HQ3

22.0 to 27.0: HQ3

27.0 to 29.5: HQ3

29.5 to 30.4: HQ3 Welded bit Casing removed.

HOLE COMPLETION:

0.0 to 30.4: Bentonite

SAMPLING:

4.5 to 6.0: SPT

7.0 to 8.5: SPT

9.5 to 11.0: SPT

12.0 to 13.5: SPT

14.5 to 16.0: SPT

19.5 to 21.0: SPT

62.4

50.1

36.5

45.3

46.3

0.0 to 16.9 ft QUATERNARY ALLUVIUM (Qal)

0.0 to 3.5 ft SANDY LEAN CLAY s(CL): About 60% fines with medium plasticity, medium toughness, medium dry strength and no dilatancy; about 40% predominantly fine sand; trace of fine, hard, subrounded gravel; maximum size, 10 mm; grayish brown and dry; strong reaction with HCl.

3.5 to 8.0 ft SILTY SAND (SM): About 65% predominantly fine sand; about 35% nonplastic fines with no dry strength and rapid dilatancy; trace of fine, hard, subrounded gravel; maximum size, 10 mm;

light brown and dry; strong reaction with HCl.

LAB TEST DATA: Test interval 4.5 to 6.0 ft;

62.4% sand, 37.6% fines, LL= NA, PI= NP, SpG= 2.68, moisture= 7.8%. Lab classification is SILTY SAND (SM). Sample representative of

1.3 ft of the sample interval.

LAB TEST DATA: Test interval 7.0 to 8.5 ft;

50.1% sand, 49.9% fines, LL= NA, PI= NP, SpG= 2.67, moisture= 10.2%. Lab classification is SILTY SAND (SM). Sample representative of

1.4 ft of the sample interval. Test extended into underlying interval.

8.0 to 16.9 ft SANDY LEAN CLAY s(CL): About 55% fines with low plasticity, low toughness, low dry strength and slow dilatancy; about 45% fine sand;

maximum size, fine sand; brown and wet at 15.2 ft below ground surface; weak reaction with HCl.

LAB TEST DATA: Test interval 9.5 to 11.0 ft;

63.5% fines, 36.5% sand, LL= NA, PI= NP, SpG= 2.63, moisture= NA%. Lab classification is SANDY SILT s(ML). Sample representative of

1.3 ft of the sample interval.

LAB TEST DATA: Test interval 12.0 to 13.5 ft;

54.7% fines, 45.3% sand, LL= NA, PI= NP, SpG= 2.60, moisture= 12.9%. Lab classification is SANDY SILT s(ML). Sample representative of

1.4 ft of the sample interval.

LAB TEST DATA: Test interval 14.5 to 16.0 ft;

53.7% fines, 46.3% sand, LL= NA, PI= NP, SpG= 2.62, moisture= 18.3%. Lab classification is SANDY SILT s(ML). Sample representative of the full 1.5 ft of the sample interval.

16.9 to 30.4 ft QUATERNARY TERRACE GRAVEL (Qtg)

16.9 to 21.2 ft CLAYEY GRAVEL (GC): About 50% fine to coarse, hard, subrounded to rounded gravel; about 40% fine to coarse, hard angular to rounded sand; about 10% fines with low plasticity, low toughness, low dry strength and slow dilatancy;

maximum size, 50 mm; brown and wet; strong reaction with HCl.

LAB TEST DATA: Test interval 19.5 to 21.0 ft;

51.5% gravel; 39.5% sand, 9.0% fines, LL= NA, PI= NP, SpG= 2.60, moisture= 1.5%. Lab classification is POORLY GRADED GRAVEL WITH SILT AND SAND (GP-GM)s. Sample representative of 1.1 ft of the sample interval.

21.2 to 29.5 ft POOR RECOVERY: Recovered cobbles and gravels washed by the drilling process;

some recovery determined to be greater than 5-inches.

29.5 to 30.4 ft NO RECOVERY: Interval would not accept water through the drill string; removed drill string and found the HQ3 bit had welded closed; the hole was plugged and abandoned due to time constraint imposed by the land owner.

s(CL)

5139.0

5134.5

37.6

49.9

63.5

54.7

53.7

GRAPHIC LEGEND:

Bentonite seal with NO pipe

SHEET 1 OF 2 DRILL HOLE DHR2-22-10

Sandy Lean Clay Silty Sand

Clayey Gravel Boulders and cobbles

O R

A T

O R

Y C

H O

O M

U A

L C

O R

E R

E C

O V

E R

REVIEWED BY:DATE MEASURED: 3/30/2022

FEATURE: Reach 2

TOTAL DEPTH: 30.4 ft

G R

A P

B lo w s pe r

F oo t (S am pl e In te rv al

D E

P T

PROJECT: Navajo Gallup Water Supply Project

ANGLE FROM HORIZONTAL: -90°

LOCATION: Pipeline Alignment

NOTES

STATE: New Mexico

HOLE LOGGED BY: P. Gardner

TOP OF CASING ELEVATION: NA

DEPTH TO BEDROCK: NE

COORDINATES: N 2096310.14 E 2543107.81 NAD83

G E

S Y

M B

L LABORATORY DATA

BEGUN: 3/30/22 FINISHED: 3/30/22

GROUND ELEVATION: 5142.5 ft NAVD88

CLASSIFICATION AND

PHYSICAL CONDITION

A N

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22-10

R A

V E

S T

D E

M O

U R

E C

O N

T E

N T

SHEET 1 OF 2

DEPTH AND ELEVATION OF WATER LEVEL: 15.2 ft (5127.3)

N G

W S

P S

R E

A C

P N

M D

L H

S .G

P J

T S

T D

U S

L A

B .G

D T

All angles measured from horizontal axis at zero degrees unless otherwise noted.

40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No. 40-D-6499 Standard Descriptors and

G19

Qtg

NA NP 1.5 (GP-GM)s51.5

39.5

STRATIGRAPHY:

0.0 to 16.9 ft QUATERNARY ALLUVIUM (Qal)

16.9 to 30.4 ft QUATERNARY TERRACE GRAVEL (Qtg)s(CL)

Poor recovery

5125.6

5121.3

5112.1

9.0

GRAPHIC LEGEND:

Bentonite seal with NO pipe

SHEET 2 OF 2 DRILL HOLE DHR2-22-10

Sandy Lean Clay Silty Sand

Clayey Gravel Boulders and cobbles

O R

A T

O R

Y C

H O

O M

U A

L C

O R

E R

E C

O V

E R

REVIEWED BY:DATE MEASURED: 3/30/2022

FEATURE: Reach 2

TOTAL DEPTH: 30.4 ft

G R

A P

B lo w s pe r

F oo t (S am pl e In te rv al

D E

P T

PROJECT: Navajo Gallup Water Supply Project

ANGLE FROM HORIZONTAL: -90°

LOCATION: Pipeline Alignment

NOTES

STATE: New Mexico

HOLE LOGGED BY: P. Gardner

TOP OF CASING ELEVATION: NA

DEPTH TO BEDROCK: NE

COORDINATES: N 2096310.14 E 2543107.81 NAD83

G E

S Y

M B

L LABORATORY DATA

BEGUN: 3/30/22 FINISHED: 3/30/22

GROUND ELEVATION: 5142.5 ft NAVD88

CLASSIFICATION AND

PHYSICAL CONDITION

A N

GEOLOGIC LOG OF DRILL HOLE NO. DHR2-22-10

R A

V E

S T

D E

M O

U R

E C

O N

T E

N T

SHEET 2 OF 2

DEPTH AND ELEVATION OF WATER LEVEL: 15.2 ft (5127.3)

N G

W S

P S

R E

A C

P N

M D

L H

S .G

P J

T S

T D

U S

L A

B .G

D T

All angles measured from horizontal axis at zero degrees unless otherwise noted.

40-D-6493 Standard Descriptors and Descriptive Criteria for Rock. Drawing No. 40-D-6499 Standard Descriptors and Descriptive Criteria for Discontinuities."

5127.3

G20

All measurements are from ground level and reported in feet unless otherwise noted.

DRILLED BY:

Upper Colorado Drill Crew DRILLER: B. Samuels HELPER: CJ. Weber, D. Nate

PURPOSE:

Preconstruction soil and bedrock pipeline alignment investigation.

DRILL EQUIPMENT:

CME Model 850X track mounted rotary drill rig.

DRILL METHOD:

0.0 to 24.0: 4.25-inch HSA with pilot bit.

24.0 to 40.0: HQ3 diamond core drilling system with 5-foot-long split tube sample barrel..

DRILLING MEDIUM:

0.0 to 24.0: None

24.0 to 40.0: Water

CASING RECORD/ DRILLING NOTES:

0.0 to 4.0: HSA with pilot bit

4.0 to 9.0: HSA with pilot bit

9.0 to 14.0: HSA with pilot bit

14.0 to 19.0: HSA with pilot bit

19.0 to 24.0: HSA with pilot bit

24.0 to 27.0: HQ3

27.0 to 32.0: HQ3

32.0 to 37.0: HQ3

37.0 to 40.0: HQ3

HOLE COMPLETION:

0.0 to 40.0: Bentonite

SAMPLING:

25.8 to 26.8: A HQ3

27.2 to 28.0: B HQ3

37.1 to 38.2: C HQ3

H5-H7

Qtg

Kpc

0.0 to 13.6 ft QUATERNARY TERRACE GRAVEL…

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it. Updated Jan 10, 2025.