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ATS Job # B345887Customer WO#

West Rock

N/A

Mr. Malcolm Hanzel

1913 FM 105Evadale, Texas 77615

APPLIED TECHNICAL SERVICES, INC.

12/7/2020

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Customer PO# 4511516568

Jeff Smith

Service Provided: API 510 and Non Destructive Examination Report

Applied Technical Services has performed the requested scope of work. WestRock or other competent engineering personnel should evaluate the results of these inspections and tests. Please see the enclosed report for further details regarding the results of this project.

Regional Manager

Respectfully submitted,

Thank you for allowing ATS to perform the above service for your company. For further information regarding this project, please call our office.

ATS450, 4/14Proprietary Document

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ATS Job #

Non Destructive Examination Results

External Visual Inspection Checklist

NDE Executive Summary

Photographs

Summary of Ultrasonic Thickness Measurements

APPLIED TECHNICAL SERVICES, INC.

Table of ContentsB345887

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Internal Visual Inspection Checklist

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full

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APPLIED TECHNICAL SERVICES, INC.

NDE Executive Summary

Client: West Rock Date: December 7, 2020

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Equipment # 40-0105 WO # N/AEquipment: FL4 Digester Steaming Vessel PO # 4511516568

Facility: Evadale, Texas ATS Job # B345887

Summary of Results:

Severe corrosion was observed on the Nozzle N1 flange bolts (previously noted).

Equipment Access:

The equipment was accessed from the ground.

PT was performed on 12 steam nozzles.

CWI visual inspection of screw, flights and welds.

Scope of Inspection:

An internal and external API 510 visual inspection was performed.

Ultrasonic thickness measurements were acquired at all accessible locations.

Inadequate thread engagement was observed on the Nozzle N19 flange bolts (previously noted).

A broken pressure gauge was observed on the east head (previously noted).

A 4'x6' section of the wear plate was replaced where thinning was observed. The repair was inspected with PT and no relevant indications were observed.

A PRV was not located on the vessel. Per the mill, the vessel PRV is located on associated piping.

All 12 steam nozzles were inspected with PT and no relevant indications were observed.

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APPLIED TECHNICAL SERVICES, INC.

NDE Executive Summary

Client: West Rock Date: December 7, 2020

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Equipment # 40-0105 WO # N/AEquipment: FL4 Digester Steaming Vessel PO # 4511516568

Facility: Evadale, Texas ATS Job # B345887

3

3

3

Action Items: Priority:

The wear plate should continue to be monitored with thickness readings at each inspection. 2

UT Thickness Survey 2 year(s) Dec-2022

Frequency based on client guidelines.

External Visual Inspection 2 year(s) Dec-2022

Future Inspections:

Based on the continued use in this service, the recommended frequencies for re-inspection are listed below:

Inspection Type Frequency Required Date

The broken pressure gauge should be replaced as needed.

The corroded nozzle N1 flange bolts should be replaced.

Replace short bolting on N19.

Priority 3 Low likelihood and consequence of failure. Non-critical code or standard deficiency. Industry best practice or preventative maintenance. Housekeeping items.

Legend

Priority 1 High likelihood and consequence of failure. Critical code or standard deficiency. May not be fit for continued service without action.

Priority 2 Medium likelihood and consequence of failure. Repair may be needed for continued effective service.

Internal Visual Inspection 2 year(s) Dec-2022

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APPLIED TECHNICAL SERVICES, INC.

Summary of Ultrasonic Thickness Measurements

Component

Previous Average

Thickness (inches)

Average Measured Thickness (inches)

Minimum Measured Thickness

Minimum Required

Thickness (inches)

Corrosion Rate (in/yr.)

ATS Job # B345887

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Theoretical Remaining Life (yrs.)

0.688 0.124 0.0000 >30Shell Course 2 0.691 0.692 0.382 0.124 0.0000 >30Wear Plate 0.228 0.209 0.127 0.125 0.0117 7.2

Shell Course 1 0.692 0.712

Nozzle N2 0.652 0.652 0.649 0.087 0.0000 >30Nozzle N1 0.539 0.540 0.540 0.084 0.0000 >30

Nozzle N4 0.346 0.348 0.331 0.087 0.0000 >30Nozzle N3 0.349 0.344 0.319 0.087 0.0030 >30

Nozzle N6 0.349 0.343 0.334 0.087 0.0036 >30Nozzle N5 0.352 0.346 0.322 0.087 0.0039 >30

Nozzle N8 0.347 0.346 0.327 0.087 0.0006 >30Nozzle N7 0.321 0.316 0.312 0.087 0.0031 >30

Nozzle N10 0.320 0.315 0.304 0.087 0.0030 >30Nozzle N9 0.322 0.316 0.306 0.087 0.0036 >30

Nozzle N12 0.326 0.326 0.317 0.087 0.0003 >30Nozzle N11 0.331 0.323 0.314 0.087 0.0051 >30

Nozzle N14 0.350 0.352 0.330 0.087 0.0000 >30Nozzle N13 0.312 0.311 0.308 0.087 0.0009 >30

Nozzle N16 0.229 0.229 0.222 0.081 0.0000 >30Nozzle N15 0.229 0.532 0.530 0.087 0.0000 >30

Nozzle N18 0.521 0.525 0.525 0.081 0.0000 >30Nozzle N17 0.287 0.283 0.274 0.081 0.0026 >30

Nozzle N20 0.546 0.547 0.545 0.084 0.0000 >30Nozzle N19 0.319 0.316 0.313 0.084 0.0020 >30

Nozzle N21 0.659 0.657 0.650 0.084 0.0016 >30

At Minimum Required or Below

Notes:

Average thickness from 2019 ATS Report.

Minimum required thickness from 2017 ATS Report.

Legend> 10% Above Minimum Required

Within 10% Above Minimum Required

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APPLIED TECHNICAL SERVICES, INC.

Photographs

4115

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Photo 1: Overall internal view.

ATS Job # B345887

4116

Photo 2: Internal nozzle views.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

17

Photo 3: Internal nozzle views.

23

Photo 4: Internal nozzle views.

ATS450, 4/14Proprietary Document

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

25

Photo 5: Internal nozzle views.

18

Photo 6: Steaming nozzles.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

19

Photo 7: Steaming nozzles.

20

Photo 8: Steaming nozzles.

ATS450, 4/14Proprietary Document

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

21

Photo 9: Steaming nozzles.

22

Photo 10: Wearplate weld erosion.

ATS450, 4/14Proprietary Document

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

24

Photo 11: West head.

26

Photo 12: Internal screw.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

27

Photo 13: Internal screw.

28

Photo 14: Internal screw.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

30

Photo 15: External view.

31

Photo 16: Steam nozzles.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

32

Photo 17: Steam nozzles.

33

Photo 18: Steam nozzles.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

34

Photo 19: West head.

35

Photo 20: Top of vessel.

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APPLIED TECHNICAL SERVICES, INC.

Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

36

Photo 21: South side of vessel.

38

Photo 22: South side of vessel.

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Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

37

Photo 23: East head.

39

Photo 24: Saddle support anchor bolt.

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Photographs

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

40

Photo 25: New section of wearplate.

41

Photo 26: Final PT of wearplate patch replacement.

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Date

Date

Date

6 Feet 0 Inches

30 Feet 2.5 Inches

psig

°F

XXXX

APPLIED TECHNICAL SERVICES, INC.

General Equipment Information

Job InformationJob # B345887

Inspection DatesExternal VT

Internal VT

NDT

12/7/2020

12/7/2020

ClientFacility

12/7/2020

Evadale, Texas

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Equipment Design

InformationHeight / Length

Rectangular Size

N/A

N/AOperating Press.

Inspector Robert Kulhanek

Client West Rock

EquipmentEquipment # 40-0105

Name FL4 Digester Steaming Vessel

P.O. # 4511516568

Shell-Side Tube-Side Jacket-Side

Contents

Design Press. 35

Steam / Liquor N/A

Specific Gravity 1.00 N/A

N/A

N/A

Drawings

Service Parameters

Nameplate

U-1 Form

Standard Utilized For This Evaluation

API-510 / NBIC

Design Temp.

Nat'l Board No.

Previous UT Data

Previous Int VT

Serial number

4/29/2019

4/29/2019

N/A

N/A

Operating Temp. Unknown N/A N/A

VT External

VT Internal

Manufacturer

Year

Previous Ext VT

Unknown

Settlement

MFL

PT / MT / WFMT

Vacuum Box

4/29/2019

UT Thickness

Kamyr

1991

1900

3079

20309-209SR1

Not attached

Available

SA-515 70 Shell

300 N/A N/A

ATS Inspections Performed

SA240 304L Wearplate

Jurisdiction

Service Category

Regulation

State Texas

Client Provided Information

Equipment Type

Materials Of Construction

CODE / STANDARD OF CONSTRUCTION

Diameter

Pressure Vessel (no jacket)

N/A

ASME Sec.VIII, Div. 1

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1. Yes No NA NI

a. X

b.

c.

2. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

f. X

g. X

h.

APPLIED TECHNICAL SERVICES, INC.

API 510 Pressure VesselExternal Visual Inspection Checklist

Client: West Rock Date: December 7, 2020

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Facility: Evadale, Texas ATS Job # B345887Equipment # 40-0105 WO # N/AEquipment: FL4 Digester Steaming Vessel PO # 4511516568

NA = Not Applicable, NI = Not Inspected

GENERAL INFO / NAMEPLATE Record Data / Condition / Comments

Nameplate problems (illegible, missing, damaged, etc.) Not attached.

Shell Height / Length and # of Courses (heights/lengths) 30'2.5" OAL

Materials of construction SA255C, SA515-70

EAST HEAD Condition / Comments

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Weld defects (cracks, leaks, distortion, porosity, etc.)

Poor drainage (Are there spots retaining water?)

Insulation damage (wet, damp, staining, etc.)

Debris/product build-up (note location, depth, etc.)

Flange bolts (corrosion, damage, distortion, missing)

General surface corrosion at exposed surfaces.

Type of head or roof (2:1 ellipsoidal, F&D, Hemispherical, Cone, Dome, Floating, Umbrella, Flat, etc.) Flat

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API 510 Pressure VesselExternal Visual Inspection Checklist

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

3. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

f. X

g. X

h. X

i. X

4. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

f.

5. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

f. X

g. X

General surface corrosion in exposed areas.

Weld defects (cracks, leaks, distortion, porosity, etc.)

Insulation damage (wet, damp, staining, etc.)

Flange bolts (corrosion, damage, distortion, missing)

SHELL Condition / Comments

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Bulges / distortion (location , size, etc.)

Weld / Rivet defects (cracks, leaks, distortion, etc.)

Bracket/Gusset/Support welds (cracks, defects, etc.)

Voids / gaps between floor and foundation (uplift, seals)

Floor plate extension / "chime" (corrosion, holes, etc.)

Record "Chime" width and thickness

Insulation damage (wet, damp, staining, etc.) Moderate damage - numerous areas.

WEST HEAD Condition / Comments

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

General surface corrosion in exposed areas.

Repads (leaks at weep holes, plugged, etc.)

Sight glass / level gauge damage (leaking, cracks, bent)

Moderate to severe bolting corrosion - N1Short bolting - N19

Type of head or floor (2:1 ellipsoidal, F&D, Hemispherical, Cone, Dome, Floating, Umbrella, Flat, etc.) Flat

NOZZLES AND MANWAYS Condition / Comments

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Weld defects (cracks, leaks, distortion, porosity, etc.)

Flanges (leaking, corroded, etc.)

Flange bolts (corrosion, damage, distortion)

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API 510 Pressure VesselExternal Visual Inspection Checklist

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

6. Yes No NA NI

6.1

a. X

b. X

c. X

d. X

e. X

f. X

6.2

a. X

b. X

c. X

d. X

6.3

a. X

b. X

c. X

d. X

e. X

6.4

a. X

b. X

c. X

SUPPORT SYSTEM Condition / Comments

FOUNDATIONS

Concrete damage (broken, spalling, cracking)

Coating failed, disbonded, peeling, etc.

Drainage issues (damaged dike, standing liquid, etc.)

Exposed aggregate, debris or vegetation build-up

Signs of settlement around perimeter of tank

Anchor lugs / bolts (cracks, corrosion, loose, missing)

Corrosion of anchor bolts.

Concrete footer / grout (damaged, missing, cracks).

Leg damage (bent, misaligned, broken)

Coating failure with active corrosion in exposed areas.

N/A

SADDLES

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Attachment weld defects (cracks, leaks, distortion, etc.)

Saddle wear plate (cracks, corrosion, holes, etc.)

LEGS

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Attachment weld defects (cracks, leaks, distortion, etc.)

SKIRTS

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Attachment weld defects (cracks, leaks, distortion, etc.)

N/A

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API 510 Pressure VesselExternal Visual Inspection Checklist

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

7. Yes No NA NI

7.1

a.

b. X

c. X

d. X

e. X

7.2

a.

b. X

c. X

d. X

e.

8. Yes No NA NI

a. X

b. X

9. Yes No NA NI

a. X

VENTS / RELIEF DEVICES Condition / Comments

TANK VENTING

Overflow and/or vent (note location, height) N/A

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Attachment weld defects (cracks, leaks, distortion, etc.)

Vent / overflow (plugged, buildup, etc.)

VESSEL PRESSURE RELIEF

Pressure/vacuum relief (note location, type, size) PRV was not located.

N/A

Coating failed, disbonded, peeling, etc.

Corrosion, pitting or holes, (record location, depth, appearance)

Attachment weld defects (cracks, leaks, distortion, etc.)

Relief valve tag (record set pressure, date, CFM, etc.)

APPURTENANCES Condition / Comments

N/A

Grounding cable broken, detached, or missing? N/A

None observed.

Expansion Joints (leaking, broken, etc.) N/A

Inspection Performed By: API 510 #

Robert Kulhanek 22186

Miscellaneous Condition / Comments

Are previous action items still active? Yes

Additional Comments / Recommendations:

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1. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

2. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

f. X

3. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

APPLIED TECHNICAL SERVICES, INC. 5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

API 510 Pressure VesselInternal Visual Inspection Checklist

Client: West Rock Date: December 7, 2020Facility: Evadale, Texas ATS Job # B345887

Equipment # 40-0105 WO # N/AEquipment: FL4 Digester Steaming Vessel PO # 4511516568

Weld defects (cracks, leaks, distortion, porosity, etc.)

Roof supports beams / rafters (broken, detached, deteriorated)

Hatches, manways, covers (corrosion, holes, etc.)

No visible damage or deterioration was observed.

NA = Not Applicable, NI = Not Inspected

EAST HEAD Condition / Comments

Coating / liner failed, disbonded, peeling, etc.

Corrosion, erosion, pitting, holes, (record location, depth, appearance)

Weld / Rivet defects (cracks, leaks, distortion, etc.)

Bracket/Gusset/Support welds (cracks, defects, etc.)

Wear plates (eroded, detached, pitted, etc.)

Erosion was observed on the wear plate welds.

SHELL Condition / Comments

Coating / liner failed, disbonded, peeling, etc.

Corrosion, erosion, pitting, holes, (record location, depth, appearance)

Bulges / distortion (location , size, etc.)

Ponding / excessive flexing / peaking

Sump / drain (cracked, plugged, etc.)

No visible damage or deterioration was observed.

WEST HEAD Condition / Comments

Coating / liner failed, disbonded, peeling, etc.

Corrosion, erosion, pitting, holes, (record location, depth, appearance)

Weld defects (cracks, leaks, distortion, porosity, etc.)

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APPLIED TECHNICAL SERVICES, INC. 5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

API 510 Pressure VesselInternal Visual Inspection Checklist

4. Yes No NA NI

a. X

b. X

c. X

d. X

5. Yes No NA NI

a. X

b. X

c. X

d. X

e. X

6. Yes No NA NI

a. X

Sight glass / level gauge damage (leaking, cracks, bent)

No visible damage or deterioration was observed.

NOZZLES AND MANWAYS Condition / Comments

Coating / liner failed, disbonded, peeling, etc.

Corrosion, erosion, pitting, holes, (record location, depth, appearance)

Weld defects (cracks, leaks, distortion, porosity, etc.)

APPURTENANCES Condition / Comments

Trays, downcomers, packing (cracked, bent, missing)

Vortex breakers / baffles (cracked, bent, unbolted, etc.)

Agitator issues (broken blades, bearings, cracks, etc.)

Internal heater problems (describe type and issues: coil, stab in exchanger, bayonet, cracking, erosion, etc.)

Poison pads (cracked, broken, loose)

N/A

Inspection Performed By: API 510 #

Robert Kulhanek 22186

Miscellaneous Condition / Comments

Are previous action items still active? Yes

Additional Comments / Recommendations:

Section of wearplate replaced during outage - east end.

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NDT Technician(s):Eqpt Name / No.:

270°

South/West Head

0°- Verify270°

APPLIED TECHNICAL SERVICES, INC.

Equipment Rollout / Nozzle Locations (Not to Scale)

Robert Kulhanek Date:

ATS Job # B345887

12/7/20

Elevation View (as seen from inside)

40-0105 FL4 Digester Steaming Vessel

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Loca

tion

Shell Course 1

Shell Course 2

Datum = 0"C1

C2

C3

ShellCourse 1

ShellCourse 2

Datum = 0"

Location

C1C2C3

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SPECIFICATIONS:ACCEPT / REJECT CRITERIA:

SHEAR SURFACE X CONTACTX LONGITUDINAL X THICKNESS IMMERSION TRANSDUCER FREQUENCY:X SKETCH ATTACHED TRANSDUCER SIZE:

TRANSDUCER ANGLE:REFERENCE STD.: (SN)

SN MATERIAL SIZE: (THICK./DIA.)

SN COUPLANT/BATCH NO:DAC METHOD:

INSPECTION PERFORMED BY: Level IILevel

CLIENT APPROVAL:

GE DMS Go GOPLS16040023

INDICATION LEVEL

MFG.

40-0105 FL4 Digester

GE FH2E 00010424

ACCEPT

INSPECTION RESULTS

TRANSDUCER:CAL DUE DATE:

SKETCH AND TECHNIQUE DESCRIPTION: See attached pages for readings and locations

See attached

THICKNESS MEASUREMENTSMIN. THICKNESS REQUIRED:

MIN. THICKNESS RECORDED:

provided, non-standard test method, ATS does not assume responsibility for validation of the method.

Not specified ACCEPT

Mason Brown U.T.T.U.T.T.

Ultrasonic Inspection Report

Client:

Equipment:

7.5 MHz

MFG.UT EQUIPMENT:

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Date:ATS Job #

WO #PO #

December 7, 2020B345887

N/A

Part Size:Carbon & Stainless Various

APPLIED TECHNICAL SERVICES, INC.

INSPECTION PROCEDURE

ATS 130.9 Rev.9

.750"-1.00"

4511516568

Steaming VesselShell

Evadale, Texas40-0105

FL4 Digester Steaming Vessel

Customer Information

REJECTN/AN/A

Equipment #

REFERENCE LEVELREJECT

SCANNING METHOD:

Facility:

Material:

Nozzles

Prior to use

IDENTIFICATION

SURFACE CONDITION:ManualSmooth

REMARKS

This report may not be reproduced except in full without the written approval of ATS. If the method used is a customer

.3800°

SS-1-019

18K060N/A

Wear Plate

West Rock

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NDT Technician(s):Eqpt Name / No.:

270°

South/West Head

0°- Verify

B345887

40-0105 FL4 Digester Steaming Vessel12/7/20

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

270°

0.124

0.705 0.1240.714 0.124

2 1 0.688 0.69824 1

0.710 0.1240.723 0.124

48 1 0.707 0.72772 1 0.727 0.710

0.715 0.1240.709 0.124

96 1 0.729 0.715120 1 0.706 0.708

0.1240.704 0.124

144 2 0.710 0.699168 2 0.713 0.708

0.705192 2 0.725 0.717216 2 0.714 0.712 0.716

Location from Datum (inches)

Shell Course 0° 45° 90° 135° 180°

240 2 0.710 0.717264 2 0.701 0.706

225°

0.6910.693 0.382

APPLIED TECHNICAL SERVICES, INC.

Shell Ultrasonic Thickness Measurements

Mason Brown Date:

ATS Job #

0.1240.124

0.124

270° 315°Minimum Required

Thickness288 2 0.124

0.7060.717

Loca

tion

Shell Course 1

Shell Course 2

Datum = 0"C1

C2

C3

ShellCourse 1

ShellCourse 2

Datum = 0"

Location

C1C2C3

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full

www.atslab.com

NDT Technician(s):Eqpt Name / No.:

270°

South/West Head

0°-

APPLIED TECHNICAL SERVICES, INC.

ATS Job # B345887

East Head Wearplate Ultrasonic Thickness Measurements

Verify

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

270°

Mason Brown Date: 12/7/2040-0105 FL4 Digester Steaming Vessel

190° 210°Minimum Required

Thickness

Location from Datum (inches) 150° 170° 180°

240 0.242 0.188 0.235252 0.238 0.139 0.174

0.190 0.240 0.1250.245 0.1250.221

216 0.235 0.181 0.207228 0.238 0.190 0.162

0.127 0.238 0.1250.245 0.1250.160

192 0.233 0.227 0.210204 0.238 0.226 0.186

0.177 0.238 0.1250.235 0.1250.170

168 0.233 0.217 0.198180 0.233 0.231 0.157

0.203 0.236 0.1250.245 0.1250.180

144 0.233 0.181 0.247156 0.224 0.168 0.193

0.165 0.244 0.1250.242 0.1250.217

120 0.233 0.191 0.213132 0.231 0.183 0.202

0.174 0.240 0.1250.238 0.1250.190

96 0.227 0.188 0.205108 0.229 0.179 0.185

0.172 0.235 0.1250.240 0.1250.186

72 0.239 0.189 0.20184 0.231 0.191 0.158

0.129 0.230 0.1250.238 0.1250.175

48 0.235 0.165 0.18260 0.240 0.228 0.169

0.145 0.245 0.1250.233 0.1250.175

24 0.212 0.136 0.19836 0.200 0.160 0.191

0.226 0.249 0.1250.245 0.1250.167

2 0.249 0.249 0.24912 0.240 0.179 0.238

0.250 0.249 0.1250.249 0.1250.249

Loca

tion

Shell Course 1

Shell Course 2

Datum = 0"C1

C2

C3

ShellCourse 1

ShellCourse 2

Datum = 0"

Location

C1C2C3

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full

www.atslab.com

NDT Technician(s):Eqpt Name / No.:

Shell Repad

270° / W

12 0.650 0.649 0.658

Width0° / N

0.652

Dist. From

Datum (inches)

90° / E 180° / S 270° / W Thick

N/A N/A

N1 24 12

N3 4 60 0.373 0.335 0.319 0.350

0.540 0.540 0.540 0.540N2 45x22

Nozzle0° / N 90° / E 180° / S

NPS / Dia.

Nozzle Neck

N4 4 72 0.340 0.360 0.360 0.331N5 4 847 0.355 0.364 0.342 0.322

0.306

N6 4 96 0.342 0.334 0.346 0.351N7 4 108 0.313 0.318 0.312 0.321

N11 4 156 0.324 0.323 0.330 0.314

N8 4 130 0.327 0.345 0.360 0.352N9 4 132 0.323 0.308 0.328

N12 4 168 0.329 0.317 0.335 0.321N13 4 180 0.310 0.309 0.315 0.308N14 4 192 0.359 0.362 0.358 0.330N15 24 144 0.530 0.530 0.534 0.535N16 4 221 0.235 0.231 0.229 0.222N17 3 240 0.290 0.291 0.274 0.276N18 18 264 0.525 0.525 0.525 0.525N19 8 252 0.317 0.315 0.313 0.318N20 24 264 0.545 0.546 0.548 0.548N21 45x22 264 0.665 0.661 0.650 0.650

Internal Projection (inches)

Nozzle Ultrasonic Thickness Measurements

APPLIED TECHNICAL SERVICES, INC.

Mason Brown Date: 12/7/2040-0105 FL4 Digester Steaming Vessel

N10 4 144 0.304 0.307 0.330 0.320

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

ATS Job # B345887

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full

www.atslab.com

PENETRANT: MFG./DESIGNATION BATCH NO.EMULSIFIER: MFG./DESIGNATION BATCH NO.

CLEANER: MFG./DESIGNATION BATCH NO.DEVELOPER: MFG./DESIGNATION BATCH NO.

PENETRANT DWELL TIME PART TEMPERATUREEMULSIFIER DWELL TIME TYPE

DRYING TIME METHODDEVELOPING TIME SENSITIVITY

POST CLEANING LIGHTING EQUIPMENT

INSPECTION PERFORMED BY: Level II P.T.Level P.T.

CLIENT APPROVAL:

Steaming Vessel wearplate replacement patch 1 72"x45" patch installed.

Michael Werneth

N/A

INSPECTION PROCEDURE

SPECIFICATIONS:ACCEPT / REJECT CRITERIA:

ATS 150.15 Rev.9ASME Sec. VIII Div I

Fenix P036> 100fc

APPLIED TECHNICAL SERVICES, INC.

REMARKS

13B18K

15 minutes

ACCEPTINSPECTION RESULTS

Equipment: FL4 Digester Steaming Vessel PO # 4511516568

14J11KMagnaflux SKL-WP2

IDENTIFICATION

17C195

provided, non-standard test method, ATS does not assume responsibility for validation of the method.

This report may not be reproduced except in full without the written approval of ATS. If the method used is a customer

N/A

QTY

C (Solvent Washable)

Ambient ≈ 74°II (Dye)

N/A

15 minutes

N/AMagnaflux SKC-SMagnaflux SKD-S2

15 minutesN/A

N/A

Material: Stainless Steel Part Size: Various

REJECT

5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Penetrant Inspection Report

Client: West Rock Date: December 7, 2020Facility: Evadale, Texas ATS Job # B345887

Equipment # 40-0105 WO #

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full

www.atslab.com

PENETRANT: MFG./DESIGNATION BATCH NO.EMULSIFIER: MFG./DESIGNATION BATCH NO.

CLEANER: MFG./DESIGNATION BATCH NO.DEVELOPER: MFG./DESIGNATION BATCH NO.

PENETRANT DWELL TIME PART TEMPERATUREEMULSIFIER DWELL TIME TYPE

DRYING TIME METHODDEVELOPING TIME SENSITIVITY

POST CLEANING LIGHTING EQUIPMENT

INSPECTION PERFORMED BY: Level II P.T.Level P.T.

CLIENT APPROVAL:This report may not be reproduced except in full without the written approval of ATS. If the method used is a customer

provided, non-standard test method, ATS does not assume responsibility for validation of the method.

Mason Brown

Steaming Vessel Nozzle N3-N14 12 No relevant indications found at the time of inspection.

INSPECTION RESULTS IDENTIFICATION ACCEPT REJECT QTY REMARKS

5 minutes C (Solvent Washable)10 minutes N/A

Magnaflux SKC-S Fenix P036> 100fc

Magnaflux SKD-S2 13B18K10 minutes Ambient ≈ 72°

N/A II (Dye)

Magnaflux SKL-WP2 14J11KN/A N/A

Magnaflux SKC-S 17C195

ACCEPT / REJECT CRITERIA: ASME Sec. VIII Div I

Equipment: FL4 Digester Steaming Vessel PO # 4511516568Material: Stainless Steel Part Size: Various

INSPECTION PROCEDURE

SPECIFICATIONS: ATS 150.15 Rev.9

Facility: Evadale, Texas ATS Job # B345887Equipment # 40-0105 WO # N/A

APPLIED TECHNICAL SERVICES, INC. 5555 Commerce Blvd. East ● Mobile, Alabama 36619 ● 251-434-6440

Penetrant Inspection Report

Client: West Rock Date: December 7, 2020

ATS450, 4/14Proprietary Document

To Be Reproduced Only In Full