MALF-903-A_B (Draft).pdf

PDF 693 KB Posted

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

About this file

The document is a technical draft engineering drawing for a Main Pivot Right Weldment (MALF) component, specifically designed for Articulated Concrete Mattress (ACM) lifting frames. The detailed multi-page technical drawing includes precise dimensional specifications, welding requirements, and manufacturing notes. Key technical specifications include:

Welding and Material Requirements:

  • All materials must have ABS material certification
  • Welding must comply with the latest AWS structural welding code
  • Weld testing includes volumetric radiographic, ultrasonic, surface end, and magnetic particle inspection methods
  • Critical welds are subject to non-destructive testing
  • Materials must be furnished with certificates from mill or material manufacturers indicating material specifications, manufacturing process, heat treatment details, and mechanical/chemical properties

The drawing appears to be part of the U.S. Army Corps of Engineers' Memphis District project for procuring four new 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.

View the file

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Text version

1/4"

7-1/8"

2-1/8"

3-1/2"

4-3/4"

9-1/2"

7-3/8"

A

A

6-7/8"

7-3/8"

13/16" 3/4"

2-1/16"

2-7/16"

2-3/8"

3/16" 1/8"

SECTION A-A

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

904-A&904-B ARE MIRROR VERSION OF 903-A&903-B

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

SEE NOTES

PART NUMBER: REV

SHEET 1 OF 5

MALF-903-A

DO NOT SCALE

MAIN PIVOT, RIGHT, WELDMENT

ggoldman

FINISH

SEE NOTES

CREATED: 11/19/2022

SIZE

AUNLESS OTHERWISE SPECIFIED

G2 ENGINEERING

CONSULTING

A A

B B

C C

D D

DRAFT

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:

ITEM

NO. PART NUMBER QTY.

1 MALF-903-001 1

2 MALF-903-002 2

3 MALF-903-003 1

4 MALF-903-004 1

5 MALF-903-005 1

6 MALF-903-006 1

7 MALF-903-007 1

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

SEE NOTES

PART NUMBER: REV

SHEET 2 OF 5

MALF-903-A

DO NOT SCALE

MAIN PIVOT, RIGHT, WELDMENT

ggoldman

FINISH

SEE NOTES

CREATED: 11/19/2022

SIZE

AUNLESS OTHERWISE SPECIFIED

G2 ENGINEERING

CONSULTING

A A

B B

C C

D D

2-3/4"

1-1/4"

1"

6-1/2"

3.379 1" 53.87 2.121

5"

MALF-903-001

3/8"

112.37 4.424

49.55 1.951

6-3/8"

3-1/8"

3-1/4"

2-1/4" 4-1/4"

6-1/2"

85.83 3.379

79.27 3.121

3-1/4"

MALF-903-002

3/8"

3-1/4" 2"

MALF-903-003

4"

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

SEE NOTES

PART NUMBER: REV

SHEET 3 OF 5

SEE SHEET

DO NOT SCALE

MAIN PIVOT, RIGHT, WELDMENT

ggoldman

FINISH

SEE NOTES

CREATED: 11/19/2022

SIZE

AUNLESS OTHERWISE SPECIFIED

G2 ENGINEERING

CONSULTING

A A

B B

C C

D D

2X 1-5/8"

2X 74.08 2.917

2X 98.95 3.896

3X 1-1/16"

3X 1" 3X 1"

4X 1/4" X 45Á

2-7/16" 2-7/16"

7X 19.45 .766

6-7/8"

MALF-903-004

1/2"

4-7/8"

1"

1"

1" 53.87 2.121

6-7/8"

79.27 3.121

MALF-903-005

121.90 4.799

MALF-903-006

99.11 3.902

MALF-903-007

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

SEE NOTES

PART NUMBER: REV

SHEET 4 OF 5

SEE SHEET

DO NOT SCALE

MAIN PIVOT, RIGHT, WELDMENT

ggoldman

FINISH

SEE NOTES

CREATED: 11/19/2022

SIZE

AUNLESS OTHERWISE SPECIFIED

G2 ENGINEERING

CONSULTING

A A

B B

C C

D D

4-3/4"

3-3/4"

5-3/4"

2-5/8"

B C

C

8X 5.11 .201 1"

TAP 1/4-20

2-3/4"

DETAIL B

SCALE 1 : 2

53.00 2.087

60.50+ 0.20 0.00

2.382+- .008 0"

60.00+ 0.51 0.00

2.362+- .020 0"

5/16" 3/8"

SECTION C-C

SCALE 1 : 2

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:

NOTE:

POST MACHINE PROCESS TO OCCUR AFTER ALL

WELDS ARE COMPLETED AND INSPECTED AS PER

SPECIFICATION

904-A&904-B ARE MIRROR VERSION OF 903-A&903-B

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

SEE NOTES

PART NUMBER: REV

SHEET 5 OF 5

MALF-903-B

DO NOT SCALE

MAIN PIVOT, RIGHT, WELDMENT

ggoldman

FINISH

SEE NOTES

CREATED: 11/19/2022

SIZE

AUNLESS OTHERWISE SPECIFIED

G2 ENGINEERING

CONSULTING

A A

B B

C C

D D

Weldment
Drawing View1
Drawing View25
Drawing View26
Drawing View27
Section View A-A
Drawing View37
BOM
Drawing View24
Components
Drawing View3
Drawing View4
Drawing View5
Drawing View6
Drawing View7
Drawing View8
Components(2)
Drawing View16
Drawing View17
Drawing View18
Drawing View19
Drawing View20
Drawing View21
Drawing View22
Drawing View23
Post Machining
Drawing View34
Detail View B (1 : 2)
Section View C-C

File details come from the government source that posted it. Updated .