MALF-902 (Draft).pdf

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Attached to
Request for Information (RFI) - ACM Lifting Frames
Solicitation number
W912EQ25SS0010
Issued by

About this file

These engineering design draft drawings depict technical specifications for a Lifting Arm Bottom Weldment, specifically for the MALF-902 component. The technical drawings, marked as "DRAFT", show multiple detailed orthographic and isometric views of a steel structural component with precise dimensional annotations. The design is for a lifting arm with complex geometric features, including mounting plates, angled structural members, and specific weld requirements. The drawings specify use of ASTM A36 Grade Steel, include multiple tolerance levels, and contain detailed manufacturing notes about material certification, welding standards, and non-destructive testing requirements for critical welds. The drawings are part of a Request for Information (RFI) by the U.S. Army Corps of Engineers Memphis District for procuring four articulated concrete mattress (ACM) lifting frames to support revetment mat loading operations, with integration planned for a new robotic ACM laying barge scheduled for delivery in December 2025.

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Text version

3'4"

2-1/2" 15Á

1'2"

10Á

8-1/4"

8" 6"

6" 1'1-1/4"

3" 3"

10-1/4"

3'4"

5"

1'0"

1'1-1/4"

17Á 17Á

NOTE:

UNLESS OTHERWISE SPECIFIED ALL MATEIRALS USED IN CONSTRUCTION OF COMPONETNS ARE TO HAVE ABS MATERIAL CERTIFICATION IN ACCORDINATE WITH THE Å

APPLICAPLE SECIONS OF "ABS RULES FOR MATERIALS AND WLEDING (PART 2)"

MATERIALS ARE TO BE FURNISHED WITH CERTIFICATES ISSUED BY THE MILL OR MATERIAL MANUFACTURER, INDICATING, AS A MINIMUM AND AS APPLICABLE, THE Å MATERIAL SPECIFICATION, GRADE, PROCESS OF MANUFACTURE, HEAT TREATMENT DETAILS, MECHANICAL AND CHEMICAL PROPERTIES, IDENTIFICATION NUMBERS, AND

TEST RESULTS.

ALL WELDING SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF AWS D1.1 "STRUCTURAL WELDING CODE - STEEL"Å ALL WELDS SHALL BE TESTED USING EITHER VOLUMETRIC RADIOGRAPHIC TESTING (RT) OR ULTRASONIC TESTING (UT) METHODS OR SURFACE NDT TECNIQUES INCLUDING Å MAGNETIC PARTICLE INSPECTION (MPI), PENETRANT TESTING (PT), EDDY CURRENT (EC) OR ALTERNATING CURRENT FIELD MEASURMENT (AFCM) CRITICAL WELDS ARE TO BE SUBJECTED TO THE FOLLOWING NONDESTRUCTIVE TESTING TO THE SATISFACTION OF THE ATTENDING SURVEYOR PRIOR TO PROOF LOAD Å

TESTING:

100% VOLUMETRIC NDT OF ALL CRITICAL BUTT WELDSÅ

100% SUFACE NDT ON BOTH SIDES OF CRITICAL FILLET WELDSÅ

DRAWN BY:

THE INFORMATION CONTAINED IN THIS DRAWING IS CONSIDERED

CONFIDENTIAL. CONTENT SHOULD NOT BE DISTRIBUTED WITHOUT CONSENT

DIMENSIONS ARE IN INCHES

TOLERANCES:

ANGULAR: MACH .5 DEG

ONE PLACE DECIMAL .05

TWO PLACE DECIMAL .01

THREE PLACE DECIMAL .005

MATERIAL

ASTM A572 Grade 50 Steel

SIZE

B

PART NUMBER: REV

UNLESS OTHERWISE SPECIFIED

SHEET 1 OF 4

MALF-902

DO NOT SCALE

LIFTING ARM BOTTOM, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

Marc.Dickinson

11/19/2022

A A

B B

C C

D D

DRAFT

6 1

NOTE:

UNLESS OTHERWISE SPECIFIED ALL MATEIRALS USED IN CONSTRUCTION OF COMPONETNS ARE TO HAVE ABS MATERIAL CERTIFICATION IN ACCORDINATE WITH THE Å

APPLICAPLE SECIONS OF "ABS RULES FOR MATERIALS AND WLEDING (PART 2)"

MATERIALS ARE TO BE FURNISHED WITH CERTIFICATES ISSUED BY THE MILL OR MATERIAL MANUFACTURER, INDICATING, AS A MINIMUM AND AS APPLICABLE, THE Å MATERIAL SPECIFICATION, GRADE, PROCESS OF MANUFACTURE, HEAT TREATMENT DETAILS, MECHANICAL AND CHEMICAL PROPERTIES, IDENTIFICATION NUMBERS, AND

TEST RESULTS.

ALL WELDING SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF AWS D1.1 "STRUCTURAL WELDING CODE - STEEL"Å ALL WELDS SHALL BE TESTED USING EITHER VOLUMETRIC RADIOGRAPHIC TESTING (RT) OR ULTRASONIC TESTING (UT) METHODS OR SURFACE NDT TECNIQUES INCLUDING Å MAGNETIC PARTICLE INSPECTION (MPI), PENETRANT TESTING (PT), EDDY CURRENT (EC) OR ALTERNATING CURRENT FIELD MEASURMENT (AFCM) CRITICAL WELDS ARE TO BE SUBJECTED TO THE FOLLOWING NONDESTRUCTIVE TESTING TO THE SATISFACTION OF THE ATTENDING SURVEYOR PRIOR TO PROOF LOAD Å

TESTING:

100% VOLUMETRIC NDT OF ALL CRITICAL BUTT WELDSÅ

100% SUFACE NDT ON BOTH SIDES OF CRITICAL FILLET WELDSÅ

ITEM

NO. PART NUMBER QTY. DESCRIPTION

1 MALF-902-001 2 LIFTING ARM BOTTOM, WELDMENT.01

2 MALF-902-002 2 LIFTING ARM BOTTOM, WELDMENT.02

3 MALF-902-003 2 LIFTING ARM BOTTOM, WELDMENT.03

4 MALF-902-004 2 LIFTING ARM BOTTOM, WELDMENT.04

5 MALF-902-005 1 LIFTING ARM BOTTOM, WELDMENT.05

6 MALF-902-006 2 LIFTING ARM BOTTOM, WELDMENT.06

7 MALF-902-007 2 LIFTING ARM BOTTOM, WELDMENT.08

8 MALF-902-008 1 LIFTING ARM BOTTOM, WELDMENT.09

9 MALF-902-009 2 LIFTING ARM BOTTOM, WELDMENT.12

10 MALF-902-010 2 LIFTING ARM BOTTOM, WELDMENT.14

DRAWN BY:

THE INFORMATION CONTAINED IN THIS DRAWING IS CONSIDERED

CONFIDENTIAL. CONTENT SHOULD NOT BE DISTRIBUTED WITHOUT CONSENT

DIMENSIONS ARE IN INCHES

TOLERANCES:

ANGULAR: MACH .5 DEG

ONE PLACE DECIMAL .05

TWO PLACE DECIMAL .01

THREE PLACE DECIMAL .005

MATERIAL

ASTM A572 Grade 50 Steel

SIZE

B

PART NUMBER: REV

UNLESS OTHERWISE SPECIFIED

SHEET 2 OF 4

MALF-902

DO NOT SCALE

LIFTING ARM BOTTOM, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

Marc.Dickinson

11/19/2022

A A

B B

C C

D D

3'3-1/2"

1"

1'1-1/2"

602.00 23.701

33.00 1.299

6"

2-5/8"

1-7/8"

MALF-902-001

5/8"

15.22 .599 5"

MALF-902-003

11.55 .455

33.04 1.301

4.13 .163

40.45 1.593

70.69 2.783

124.99 4.921

195.69 7.704

MALF-902-002

3/8"

3/8"

5"

79.50 3.130

MALF-902-004

3/8"

10-1/4"

1" 8-1/4" 1"

1"

3"

3"

1"

8"

19.84 .781

4X 1/2" X 45ÁMALF-902-005

1/2"

DRAWN BY:

THE INFORMATION CONTAINED IN THIS DRAWING IS CONSIDERED

CONFIDENTIAL. CONTENT SHOULD NOT BE DISTRIBUTED WITHOUT CONSENT

DIMENSIONS ARE IN INCHES

TOLERANCES:

ANGULAR: MACH .5 DEG

ONE PLACE DECIMAL .05

TWO PLACE DECIMAL .01

THREE PLACE DECIMAL .005

MATERIAL

ASTM A572 Grade 50 Steel

SIZE

B

PART NUMBER: REV

UNLESS OTHERWISE SPECIFIED

SHEET 3 OF 4

MALF-902

DO NOT SCALE

LIFTING ARM BOTTOM, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

Marc.Dickinson

11/19/2022

A A

B B

C C

D D

31.898

1-7/8"

MALF-902-006

1/2"

1"

6"

1"

8"

1-1/8"

3/4"

1-7/8"

19.84 .781

MALF-902-007

12.89 .507

8"

8"

6"

3'3-1/2"

1"

6"

3'3-1/2"

R2-1/2"

3'6"

1'2"

2-1/2"

8"

MALF-902-008

1-1/4"

214.62 8.449

6"

138.42

5.449 3"

2-3/8"

3-5/8" 20.24 .797

2X 1" X 45Á

MALF-902-009

1/2"

2-3/8"

2-5/8"

5"

62.33 2.454

59.45 2.341

121.79 4.795

2-1/2"

MALF-902-010

3/8"

DRAWN BY:

THE INFORMATION CONTAINED IN THIS DRAWING IS CONSIDERED

CONFIDENTIAL. CONTENT SHOULD NOT BE DISTRIBUTED WITHOUT CONSENT

DIMENSIONS ARE IN INCHES

TOLERANCES:

ANGULAR: MACH .5 DEG

ONE PLACE DECIMAL .05

TWO PLACE DECIMAL .01

THREE PLACE DECIMAL .005

MATERIAL

ASTM A572 Grade 50 Steel

SIZE

B

PART NUMBER: REV

UNLESS OTHERWISE SPECIFIED

SHEET 4 OF 4

MALF-902

DO NOT SCALE

LIFTING ARM BOTTOM, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

Marc.Dickinson

11/19/2022

A A

B B

C C

D D

Weldment
Drawing View1
Drawing View34
Drawing View35
Drawing View36
Drawing View37
BOM
Drawing View29
Components
Drawing View2
Drawing View3
Drawing View5
Drawing View6
Drawing View7
Drawing View8
Drawing View9
Drawing View10
Drawing View11
Drawing View12
Components(2)
Drawing View23
Drawing View24
Drawing View25
Drawing View26
Drawing View27
Drawing View28
Drawing View30
Drawing View31
Drawing View32
Drawing View33

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