Exhibit A.pdf

Exhibit A: As-Built Drawings and Photographs of Each Weld Specimen.

In the table below, each specimen is identified using a unique identification code.

Specimen ERDC 007 appears twice, once as ERDC 007A and once as ERDC 007B, because it contains two welds. Joint type describes the basic shape of the joint (butt, corner, T-). The column labelled AWS joint identifies the AWS joint designation that is represented by each of the ERDC specimens. Joint designations are described in AWS D1.5 (AWS 2020b), Clause 4 and Figure 4.4 . The remaining columns are self-explanatory. In the pages that follow, as-built drawings and photographs are provided for the specimens.

Specimen identification code Joint type AWS joint Weld length

(in.)

Weight (lbs.)

Plate 1 thickness

(in.)

Plate 2 thickness

(in.)

Joint angle (deg.)

ERDC 001 Butt B-U2 12 30 0.625 0.625 180 ERDC 002 Butt B-U3b 6 350 4 4 180 ERDC 003 Butt B-L1b 12 25 0.625 0.50 180 ERDC 004 Butt B-U2 12 30 0.64 0.625 160 ERDC 005 Butt B-U3b 4 30 1 1 90 ERDC 006 Butt B-U2 7 15 0.5 0.5 35

ERDC 007A Butt B-U3b 7.625 70 WT9x65 (tf = 1.2”)

WT9x35.5 (tf = 0.81”) 180

ERDC 007B Butt B-U2 8.4375 70 WT9x65 (tw = 0.67”)

WT9x35.5 (tw = 0.495”) 180

ERDC 008 T- TC-U5b 6 125 1.5 1.5 90 ERDC 009 T- TC-U4b 10 55 0.75 0.75 90 ERDC 010 T- TC-U4b 6 15 0.5 0.5 35 ERDC 011 Corner TC-U5b 6 120 1.875 1.875 90 ERDC 012 Corner TC-U4b 6 70 1.375 1.375 110

AWS 1 Butt - 12 30 0.75 0.75 180 AWS 2 Butt - 12 50 1.0 1.0 180 AWS 3 Butt - 12 35 1.0 0.5 180 AWS 4 Butt - 12 30 0.75 0.75 180

AWS 5 T- - 12 30 1.0 0.75 90

AWS 6 T- - 6 25 0.75 0.5 45

AWS 7 Butt - 6 15 1.0 0.5 180 AWS 8 Corner - 6 15 0.75 0.75 90

Note: The following abbreviations are used: WT refers to a shape cut from a wide flange beam, tf refers to flange thickness, and tw refers to web thickness.

SOLICITATION NO.:

FILE NAME:

DWN BY:CKD BY:

DESIGNED BY:DESCRIPTION

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FILE NUMBER:

SIZE:

SUBMITTED BY:

PLOT SCALE:PLOT DATE:

DATEMARKDESCRIPTION

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U.S. ARMY CORPS OF ENGINEERS ENGINEER RESEARCH & DEVELOPMENT CENTER

NAVIGATION SYSTEMS RESEARCH PROGRAM

EFFECTS OF WELDING ON RELIABILITY AND

PERFORMANCE OF EXISTING HSS

1'-0"

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SPECIMEN 1

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B2EDTLEC

Stamp

Figure: Photo of Specimen ERDC 001.

DWN BY:CKD BY:

DESIGNED BY:DESCRIPTION

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MARKAPPR. DATE:

FILE NUMBER:

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U.S. ARMY CORPS OF ENGINEERS ENGINEER RESEARCH & DEVELOPMENT CENTER

NAVIGATION SYSTEMS RESEARCH PROGRAM

EFFECTS OF WELDING ON RELIABILITY AND

PERFORMANCE OF EXISTING HSS

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SPECIMEN 2

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Figure: Photo of Specimen ERDC 002.

DWN BY:CKD BY:

DESIGNED BY:DESCRIPTION

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AB

MARKAPPR. DATE:

FILE NUMBER:

SIZE:

SUBMITTED BY:

PLOT SCALE:PLOT DATE:

DATEMARKDESCRIPTION

CONTRACT NO.:

DATEAPPR.

o f E n g in e e r s

U S

A rm y C o rp s

ID

S h e e t o f E n g in e e r s

U S

A rm y C o rp s

U.S. ARMY CORPS OF ENGINEERS ENGINEER RESEARCH & DEVELOPMENT CENTER

NAVIGATION SYSTEMS RESEARCH PROGRAM

EFFECTS OF WELDING ON RELIABILITY AND

PERFORMANCE OF EXISTING HSS

1'-0"

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Figure: Photo of Specimen ERDC 003.

DWN BY:CKD BY:

DESIGNED BY:DESCRIPTION

D

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AB

MARKAPPR. DATE:

FILE NUMBER:

SIZE:

SUBMITTED BY:

PLOT SCALE:PLOT DATE:

DATEMARKDESCRIPTION

CONTRACT NO.:

DATEAPPR.

o f E n g in e e r s

U S

A rm y C o rp s

ID

S h e e t o f E n g in e e r s

U S

A rm y C o rp s

U.S. ARMY CORPS OF ENGINEERS ENGINEER RESEARCH & DEVELOPMENT CENTER

NAVIGATION SYSTEMS RESEARCH PROGRAM

EFFECTS OF WELDING ON RELIABILITY AND

PERFORMANCE OF EXISTING HSS

1'-0"

S P

E C

IM

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N

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SPECIMEN 4

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Figure: Specimen ERDC 004.

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SPECIMEN DETAILS

SAMPLE MATERIAL APPROX.

ID WEIGHT

5 ASTMA36 30 LBS

JOINT DETAILS

JOINT WELDING JOINT BASE METAL GROOVE

TYPE PROCESS DESIGNATION THICKNESS PREPARATION

DOUBLE-V-GROOVE WELD R = 0"

SMAW B-U3b 1" f = 0" BUTT JOINT a = � = 60°

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1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

FABRICATOR SHALL SUBMIT WPS FOR GOVERNMENT REVIEW AND APPROVAL.

2. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

3. WELD TABS SHALL BE REMOVED IN ACCORDANCE WITH AWS D1.1 PROVISIONS FOR

CYCLICALLY LOADED NONTUBULAR STRUCTURES.

4. SPECIMEN ID (ERDC005) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A1 AS SHOWN.

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TYPE

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SPECIMEN DETAILS

SAMPLE

ID

WELDING

PROCESS

MATERIAL

ASTM A36

APPROX.

WEIGHT

15 LBS

JOINT DETAILS

JOINT

DESIGNATION

BASE METAL

THICKNESS

GROOVE

PREPARATION

SINGLE-V-GROOVE WELD

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R = 0.125" f= 0.125" a = 60°

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1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

2. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

3. SPECIMEN ID (ERDC006) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A1 AS SHOWN.

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Figure: Specimen ERDC 006.

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+Y1 FACE A1

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+Z1

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FACE A2

FACE B2J-

FACE A3 FACE A4

�"""" """"'·' � SECTION@

I

SPECIMEN 7

SCALE: 6" = 1'

I

3 I

I

JOINT

TYPE

DOUBLE-V-GROOVE WELD

BUTT JOINT

JOINT

TYPE

SINGLE-V-GROOVE WELD

BUTT JOINT

4 I

SPECIMEN DETAILS

SAMPLE

ID

MATERIAL APPROX.

WEIGHT

7 ASTM A36 70 LBS

WEB JOINT DETAIL

WELDING

PROCESS

SMAW

JOINT

DESIGNATION

B-U3b

BASE METAL

THICKNESS

0.495"/0.670"

. I/ � _,, ri-�� 'Lit�:_, \ .. .,_-11 I

FLANGE JOINT DETAIL

WELDING

PROCESS

SMAW

JOINT

DESIGNATION

B-U2

------ A

BASE METAL

THICKNESS

0.810"/1.20"

�•r. ... .a.r.c '-"-'- 1,- ...... .w"

D'-,LI---

I

/(' I ' I

I t t

NOTES:

r • • T,

1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

GROOVE

PREPARATION

R = O" f = O" a = l3 = 60°

GROOVE

PREPARATION

R = 0" f= O" a = 60°

2. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

3. WELD ACCESS HOLES SHALL NOT BE INCLUDED.

4. FABRICATOR SHALL PROVIDE LIFTING LUGS FOR HANDLING THE SPECIMEN. LIFTING

LUGS SHALL BE LOCATED AWAY FROM THE WELD. PROPOSED LOCATION AND DESIGN

SHALL BE SUBMITTED FOR APPROVAL.

5. SPECIMEN ID (ERDC007) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A1 AS SHOWN.

I

[m] US Army Corps of EnginHrs 11

I j

� r w ..

z ► e> m iii � w w z z w u.

u ui =i

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a. u

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"'0 w <:

w 0 g� zZ w

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w u w a.

Sheet

ID

ERDC 007

B2EDTLEC

Stamp

Figure: Specimen ERDC 007.

B

A

IF:CE C

I

ERDC008

+Y

1½"

6"

+x

10"

PLAN

Ill m

Cll w u.. I �

+Y

I

FACE A

+Y

. I

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--- ±,m-------------------7:-•"'--------------------11-�

SECTION@

SPECIMEN 8

SCALE: 6" = 1'

I I

I

SPECIMEN DETAILS

SAMPLE

ID

MATERIAL

ASTM A36

JOINT DETAILS

APPROX.

WEIGHT

125 LBS

I

JOINT

TYPE

WELDING

PROCESS

JOINT

DESIGNATION

BASE METAL

THICKNESS

GROOVE

PREPARATION

DOUBLE BEVEL GROOVE WELD

T-JOINT

NOTES:

SMAW TC-U5b

• J" __ _.;_ _ _ _ /_

_..r._.•\.,.

MR,;;" •r i!. .. .:r .� V

J- ' �-1 •

;.. l:�. � �

-·�1-, ,----:3

-� p

1.5"

1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1.1, EXCEPT AS NOTED.

2. ALL WELDS SHALL BE CONTINUOUS AND WRAPPED. SEAL WELDS SHALL BE THE

SAME SIZE AS THE ADJACENT WELD AND SHALL NOT BE LESS THAN THE MIN. FILLET

WELD SIZE PER AWS D1 .1.

3. REINFORCING FILLET WELDS SHALL BE APPLIED IN ACCORDANCE WITH AWS D1 .1

FOR CYCLIC LOADING.

4. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

R = 0.0625" f = 0.125" a =45°

5. FABRICATOR SHALL PROVIDE LIFTING LUGS FOR HANDLING THE SPECIMEN. LIFTING

LUGS SHALL BE LOCATED AWAY FROM THE WELD. PROPOSED LOCATION AND DESIGN

SHALL BE SUBMITTED FOR APPROVAL.

6. SPECIMEN ID (ERDC008) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A AS SHOWN.

I I

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z ► e> m iii � □ □ w w z z w lL 0

"' 0 u ui =i w"'

!z � �8 ffi ff "':,: a. u

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:,: "'u "'

"' I-m � wz "'0 "';:: w <: w 0 g� zZ w

<J) <J)

0 z

IL 0

w u

"' w a.

Sheet

ID

ERDC 008

Figure: Specimen ERDC 008.

B

A

ERDC009

+Y

10"

+X

FACE A

+Y

I

FACE C

1'-0"

• I •

PLAN

¾"

1,r

<(mm W I �

� I �

+Y

2 3 4 5

[m] US Army Corps of EnginHrs 11

SPECIMEN DETAILS

ffi

SAMPLE MATERIAL APPROX.

ID WEIGHT "

J

JOINT

TYPE

SINGLE BEVEL GROOVE WELD

T-JOINT

NOTES:

9 ASTM A36 55 LBS

JOINT DETAILS

WELDING

PROCESS

SMAW

• ,i __

--(,)1:

I� .,__ I

� - .. "i L T . .ii

JOINT

DESIGNATION

J'-f'

TC-U4b

<r.J.��"i:'.Ji�.

1 •:

L.

BASE METAL

THICKNESS

0.75"

1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

GROOVE

PREPARATION

R= 0.125" f = 0.125" a= 45°

2. ALL WELDS SHALL BE CONTINUOUS AND WRAPPED. SEAL WELDS SHALL BE THE

SAME SIZE AS THE ADJACENT WELD AND SHALL NOT BE LESS THAN THE MIN. FILLET

WELD SIZE PER AWS D1.1.

3. REINFORCING FILLET WELDS SHALL BE APPLIED IN ACCORDANCE WITH AWS D1 .1

FOR CYCLIC LOADING.

4. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

5. FABRICATOR SHALL PROVIDE LIFTING LUGS FOR HANDLING THE SPECIMEN. LIFTING

LUGS SHALL BE LOCATED AWAY FROM THE WELD. PROPOSED LOCATION AND DESIGN

SHALL BE SUBMITTED FOR APPROVAL.

6. SPECIMEN ID (ERDC009) SHALL BE PERMANENTLY AND IN DELI BLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A AS SHOWN.

I j

� r w ..

z ► e> m iii � " " w w z

L � :z

-4- -- -- - - -- -- -- -?=- -- -- -- - - -- -- --1- -z w u.

+IFACE C

-2" I

=.1 - -u

SECTION@

SPECIMEN 9

SCALE: 6" = 1'

I I I I ui =i

"' w"' !z � �8 ffi ff "':,: a. u

�� ifj ffl o"' .. <J) u

"' I-m � wz "'0 "';:: w <: w 0 g� zZ w

<J) <J) :,:

0 z u.

w u

"' w a.

Sheet

ID

ERDC 009

Figure: Specimen ERDC 009.

B

A

ERDC010

+Y

I F

CE C

6"

+x

8"

PLAN

i,1•

FACE A

+Y

• I

<,_'?: , <o +Y

/ c,'v

'f

• i_ rl

FACE C �::: �-----.r

SECTION@

SPECIMEN 10

SCALE: 6" = 1'

I

I

JOINT

TYPE

SINGLE BEVEL GROOVE WELD

T-JOINT

NOTES:

SPECIMEN DETAILS

SAMPLE

ID

10 ASTM A36

JOINT DETAILS

WELDING

PROCESS

JOINT

DESIGNATION

SMAW TC-U4b

I:::,.

�� . C

.. ,',··! I)'

., -1� r • ,.

11 , I

\i.

_,.._r

1: I

·-1 _,, _. .. :I ...

1'::-[1

_j

BASE METAL

THICKNESS

0.50"

1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

GROOVE

PREPARATION

R=0" f = O" a =45°

2. ALL WELDS SHALL BE CONTINUOUS AND WRAPPED. SEAL WELDS SHALL BE THE

SAME SIZE AS THE ADJACENT WELD AND SHALL NOT BE LESS THAN THE MIN. FILLET

WELD SIZE PER AWS D1.1.

3. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

4. REINFORCING FILLET WELDS SHALL BE APPLIED IN ACCORDANCE WITH AWS D1 .1

FOR CYCLIC LOADING.

5. SPECIMEN ID (ERDC010) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A AS SHOWN.

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L

8:

w

I w j

� r w ..

z ► e> m iii � □ □ w w z z w

u. 0

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�� ifj ffl o"' .. <J) :,: "' (.) w

1--m � wz "'0 "';:: w <: w 0 g� zZ w

<J) <J) :,:

0 z

u. 0 w (.)

"' w a.

Sheet

ID

ERDC 010

Figure: Specimen ERDC 010.

2 3

D I 1'-3½"

1'-1%"

I

ERDC011

+Y 1�

101 I +x l

[I__ 0

FACE A �

+y c I PLAN

I • 1½"

• I

� f

B I

�1

1 j

FACE B

�, .. FACE A +y

Al

SECTION@

SPECIMEN 11

SCALE: 6" = 1'

SPECIMEN DETAILS

SAMPLE MATERIAL APPROX.

ID WEIGHT

11 ASTM A36 120 LBS

I JOINT DETAILS I

JOINT WELDING JOINT BASE METAL GROOVE

TYPE PROCESS DESIGNATION THICKNESS PREPARATION

I DOUBLE BEVEL GROOVE WELD

T-JOINT SMAW TC-U5b 1.875"

-0 125"

NOTES:

I· �-· r, EF.:

. t··� :--=-'

• I :,.. " i

1: J,la).IJJJI.

N

1--

;· .... �� 1··J �.J-

1. WELDING SHALL BE IN ACCORDANCE WITH AWS 01 .1, EXCEPT AS NOTED.

2. REINFORCING FILLET WELDS SHALL BE APPLIED IN ACCORDANCE WITH AWS 01 .1

FOR CYCLIC LOADING. REINFORCING FILLET WELD SHALL BE HELD BACK

3. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

4. WELD TABS SHALL BE REMOVED IN ACCORDANCE WITH AWS 01 .1 PROVISIONS FOR

CYCLICALLY LOADED NONTUBULAR STRUCTURES. REINFORCING FILLET WELD SHALL

NOT BE HELD BACK FROM EDGE OF PLATE.

5. FABRICATOR SHALL PROVIDE LIFTING LUGS FOR HANDLING THE SPECIMEN. LIFTING

LUGS SHALL BE LOCATED AWAY FROM THE WELD. PROPOSED LOCATION AND DESIGN

SHALL BE SUBMITTED FOR APPROVAL.

6. SPECIMEN ID (ERDC011) SHALL BE PERMANENTLY AND IND ELI BLY MARKED ON THE

SAMPLE IN THE UPPER LEFT HAND CORNER OF FACE A AS SHOWN.

[m] US Army Corps of EnginHrs 11

I ,u m l

� ,--" ,u � w w z z w rt) u ui

...2 w"' !z � �8 I-"' ili "- "- u 0 "' iil ili > U) ww o"' "'rt) u "'

11 I Iffi � g�

11 ili 2

� ui g j

0. ,u

I-:-:--::!

Sheet

ID

ERDC 011

Figure: Specimen ERDC 011.

B

A

I

.--- ��� t:KUC012 I +Y

I

I

I

' +x

L._ I FACE C • FACE A I

I

+y n__ 0

PLAN

""Cl

I I

+Z I fb- - - - - - - - - - - J _ - - - - - - - - -/�� - I

FACE C

/ I 'ro 11½"

I

SECTION@

SPECIMEN 12

SCALE: 6" = 1'

I I

!JV77)�"

J: I -.:

, !J I J:

I I

I

+Y

I

I

JOINT

TYPE

I

SPECIMEN DETAILS

SAMPLE

ID

MATERIAL

ASTM A36

JOINT DETAILS

WELDING

PROCESS

JOINT

DESIGNATION

APPROX.

WEIGHT

70 LBS

BASE METAL

THICKNESS

GROOVE

PREPARATION

SINGLE BEVEL GROOVE WELD

T-JOINT SMAW TC-U4b 1.375"

R= O" f= O" a =45°

I t'

:··',-·_t;> ,, n�

.I :J-� JT

<�•�if:,._i{ l: .... i,l ii;

NOTES:

1. WELDING SHALL BE IN ACCORDANCE WITH AWS D1 .1, EXCEPT AS NOTED.

2. REINFORCING FILLET WELDS SHALL BE APPLIED IN ACCORDANCE WITH AWS D1 .1

FOR CYCLIC LOADING.

3. CODE PERMITTED REINFORCEMENT TO REMAIN. DO NOT GRIND WELD FLUSH.

4. WELD TABS SHALL BE REMOVED IN ACCORDANCE WITH AWS D1 .1 PROVISIONS FOR

CYCLICALLY LOADED NONTUBULAR STRUCTURES. REINFORCING FILLET WELD SHALL

NOT BE HELD BACK FROM EDGE OF PLATE.

5. FABRICATOR SHALL PROVIDE LIFTING LUGS FOR HANDLING THE SPECIMEN. LIFTING

LUGS SHALL BE LOCATED AWAY FROM THE WELD. PROPOSED LOCATION AND DESIGN

SHALL BE SUBMITTED FOR APPROVAL.

6. SPECIMEN ID (ERDC012) SHALL BE PERMANENTLY AND INDELIBLY MARKED ON THE

SAMPLE IN THE UPPER RIGHT HAND CORNER OF FACE A AS SHOWN.

I

[m] US Army Corps of EnginHrs 11

I j

� r

,u ..

z ► e> m iii � □ □ w w z z w

IL 0

"' 0 u ui =i

"' w"' !z � �8 ffi ff "':,: a. u

�� ifj ffl o"' .. <J) u"'

"'I-m � wz "'0 "';:: w <: w 0 g� zZ w

<J) <J) :,:

0 z

IL 0

w u

"' w a.

Sheet

ID

ERDC 012

Figure: Specimen ERDC 012.

AWS 1

S

S

S

S

S

S

S

AWS Specimens_3