MALF-907 (Draft).pdf

PDF 691 KB Posted

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

About this file

This document is a detailed engineering draft design for a Hydraulic Mount Weldment (Part Number MALF), specifically for ACM Lifting Frames intended for the U.S. Army Corps of Engineers Memphis District. The technical drawing includes multiple views and detailed dimensional specifications for a complex metal mounting frame with multiple circular openings, designed to ASTM A Grade Steel standards. The drawing includes precise tolerances, with annotations specifying welding requirements such as using the latest AWS structural welding codes, non-destructive testing protocols, and material certification standards. The design appears to be part of a larger system supporting revetment mat loading operations, with the lifting frames intended to integrate with a new robotic ACM (Articulated Concrete Mattress) laying barge scheduled for delivery in December 2025.

The draft design (marked with "DRAFT" watermarks) includes front, side, and isometric views, with detailed measurements in inches and specific manufacturing notes. The document indicates five identical units will be produced (quantity listed in the parts table), with material specifications calling for ASTM A Grade Steel. Welding specifications are comprehensive, requiring volumetric radiographic testing, ultrasonic testing, surface end testing, and magnetic particle inspection for critical welds. The design was created by engineering consultants, with drafting completed by Marc Dickinson and J. Goldman, and is marked as confidential with instructions that contents should not be distributed without consent.

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Text version

3/4" 1'9" 3/4"

3/8" 1'9" 3/8"

3/8" 3/8" 3"

3"

6-3/8"

A

A

B B

39.12 1.540

39.12 1.540

48.77 1.920

2"

5"

2"

3" 3"

3-3/8"

3/8"

5"

3/8"

6-3/8"

SECTION A-A

39.08 1.538

122.85 4.837

1-1/8" 1'9-3/4" 1-1/8"

2'0"

6-3/8"

SECTION B-B

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 3

MALF-907

DO NOT SCALE

HYDRAULIC MOUNT, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

Marc.Dickinson

11/19/2022

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:

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-907-001 1 Hydraulic Mount Weldment.01

2 MALF-907-002 2 Hydraulic Mount Weldment.02

3 MALF-907-003 4 Hydraulic Mount Weldment.03

4 MALF-907-004 2 Hydraulic Mount Weldment.05

5 MALF-907-005 1 Hydraulic Mount Weldment.10

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 3

MALF-907

DO NOT SCALE

HYDRAULIC MOUNT, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

ggoldman

11/19/2022

A A

B B

C C

D D

5-3/4"

1'9-3/4"

4X 1/2" X 45ÁMALF-907-001

3/8"

6"

1'8"

4" 6" 6" 4"

3"

3" 3X 3"

MALF-907-002

1/2"

76.52 3.013

34.90 1.374

24.13 .950

17.49 .689

3/8" 50.93 2.005

1-1/2" 22.35 .880

29.55 1.163

46.97 1.849

3/4"

60.45 2.380

MALF-907-003

16.00 .630

6"

5"

MALF-907-004

1/2"

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

1'10-1/2"

1"

7"

1"

9"

2"

5"

2"

3/4" 1'9" 3/4"

12X 19.84 .781

1/2" X 45Á

MALF-907-005

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 3 OF 3

MALF-907

DO NOT SCALE

HYDRAULIC MOUNT, WELDMENTG2 ENGINEERING

CONSULTING

FINISH

SEE NOTES

CREATED:

ggoldman

11/19/2022

A A

B B

C C

D D

Weldment
Drawing View1
Drawing View13
Drawing View14
Drawing View15
Section View A-A
Section View B-B
BOM
Drawing View2
Components
Drawing View3
Drawing View4
Drawing View5
Drawing View6
Drawing View7
Drawing View8
Drawing View9
Drawing View10
Drawing View11
Drawing View12

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