MALF-901-A_B (Draft).PDF
PDF 698 KB Posted
- Solicitation number
- W912EQ25SS0010
About this file
The provided file is a detailed engineering draft document for a Lifting Arm Pivot Weldment (Part Number MALF-901-A) designed for an Articulated Concrete Mattress (ACM) lifting frame. The technical drawing, created by G2 Engineering Consulting on 8/24/2022, contains five sheets of comprehensive design specifications for a complex weldment component. The design is for ASTM A572 Grade 50 Steel and includes precise dimensional drawings, multiple component part numbers (MALF-901-001 through MALF-901-013), and critical manufacturing notes covering material certification, welding requirements, and non-destructive testing protocols.
Key technical specifications include stringent material and welding requirements, such as ABS material certification, compliance with AWS D1.1 Structural Welding Code, and mandatory non-destructive testing methods including volumetric radiographic testing, ultrasonic testing, and surface inspection techniques. The drawing specifies tight tolerances (angular: 0.5 degrees, decimal tolerances from 0.05 to 0.005), and includes detailed views, sections, and dimensional callouts for each component. The draft is marked confidential and is part of a U.S. Army Corps of Engineers 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
Other files
| File | Type | Posted |
|---|---|---|
| REQUEST FOR INFORMATION (RFI) - ACM LIFTING FRAMES.pdf | ||
| MALF-903-A_B (Draft).pdf | ||
| MALF-100-101-102-103 (Draft).pdf | ||
| MALF (Draft).pdf | ||
| MALF-912 (Draft).pdf | ||
| MALF-606 (Draft).pdf | ||
| MALF-907 (Draft).pdf | ||
| MALF-603 (Draft).pdf | ||
| MALF-906 (Draft).pdf | ||
| MALF-911 (Draft).pdf | ||
| MALF-600 (Draft).pdf | ||
| MALF-908 (Draft).pdf | ||
| MALF-604 (Draft).pdf | ||
| MALF-602 (Draft).pdf | ||
| MALF-105 (Draft).pdf | ||
| MALF-104 (Draft).pdf | ||
| MALF-601 (Draft).pdf | ||
| MALF-902 (Draft).pdf | ||
| MALF-910 (Draft).pdf | ||
| MALF-909 (Draft).pdf | ||
| MALF-605 (Draft).pdf |
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Text version
1'9"
1'5-7/16"
2-5/8"
8"
217.51 8.563
204.76 8.062
8"
10-7/16"
10-1/4"
6-1/4"
1"
19.84 .781
6"
8-1/4"
NOTE:
UNLESS OTHERWISE SPECIFIED ALL MATEIRALS USED IN CONSTRUCTION OF COMPONETNS ARE TO HAVE ABS MATERIAL CERTIFICATION IN ACCORDINATE WITH THE •
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 • 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"• ALL WELDS SHALL BE TESTED USING EITHER VOLUMETRIC RADIOGRAPHIC TESTING (RT) OR ULTRASONIC TESTING (UT) METHODS OR SURFACE NDT TECNIQUES INCLUDING • 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 •
TESTING:
100% VOLUMETRIC NDT OF ALL CRITICAL BUTT WELDS•
100% SUFACE NDT ON BOTH SIDES OF CRITICAL FILLET WELDS•
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-901-A
DO NOT SCALE
LIFTING ARM PIVOT, WELDMENT
ggoldman
FINISH
SEE NOTES
CREATED: 8/24/2022
SIZE
AUNLESS OTHERWISE SPECIFIED
A A
B B
C C
D D
G2 ENGINEERING
CONSULTING
DRAFT
NOTE:
UNLESS OTHERWISE SPECIFIED ALL MATEIRALS USED IN CONSTRUCTION OF COMPONETNS ARE TO HAVE ABS MATERIAL CERTIFICATION IN ACCORDINATE WITH THE •
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 • 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"• ALL WELDS SHALL BE TESTED USING EITHER VOLUMETRIC RADIOGRAPHIC TESTING (RT) OR ULTRASONIC TESTING (UT) METHODS OR SURFACE NDT TECNIQUES INCLUDING • 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 •
TESTING:
ITEM
NO. PART NUMBER QTY.
1 MALF-901-001 1
2 MALF-901-002 1
3 MALF-901-003 2
4 MALF-901-004 4
5 MALF-901-005 2
6 MALF-901-006 1
7 MALF-901-007 1
8 MALF-901-008 1
9 MALF-901-009 1
10 MALF-901-010 1
11 MALF-901-011 1
12 MALF-901-007-B 1
13 MALF-901-013 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-901-A
DO NOT SCALE
LIFTING ARM PIVOT, WELDMENT
ggoldman
FINISH
SEE NOTES
CREATED: 8/24/2022
SIZE
AUNLESS OTHERWISE SPECIFIED
A A
B B
C C
D D
G2 ENGINEERING
2-5/8"
217.51 8.563
8"
204.76 8.062
A
7"
3-1/2"
A
B
.201 5.11 1"
TAP 1/4"-20
2-3/4"
B
B
DETAIL A
SCALE 1 : 4
61.00+
0.20 0.00
2.402+ .008 0"
52.00 2.047
60.00+
0.51 0.00
2.362+ .020 0"
3/8"
SECTION B-B
SCALE 1 : 4
NOTE:
UNLESS OTHERWISE SPECIFIED ALL MATEIRALS USED IN CONSTRUCTION OF COMPONETNS ARE TO HAVE ABS MATERIAL CERTIFICATION IN ACCORDINATE WITH THE •
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 • 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"• ALL WELDS SHALL BE TESTED USING EITHER VOLUMETRIC RADIOGRAPHIC TESTING (RT) OR ULTRASONIC TESTING (UT) METHODS OR SURFACE NDT TECNIQUES INCLUDING • 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 •
TESTING:
NOTE:
POST MACHINE PROCESS TO OCCUR AFTER ALL
WELDS ARE COMPLETED AND INSPECTED AS PER
SPECIFICATION
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
MALF-901-A
DO NOT SCALE
LIFTING ARM PIVOT, WELDMENT
ggoldman
FINISH
SEE NOTES
CREATED: 8/24/2022
SIZE
AUNLESS OTHERWISE SPECIFIED
A A
B B
C C
D D
G2 ENGINEERING
1'2-5/8"
5-1/2"
3/8"
MALF-901-001
7.490
5-1/2"
3/8"
6.232
3/4"
54° 105° 4"
53.52 2.107
1/2"
8"
2"
1"
1"
3/8"
1'3-1/2"
97°
8"
R2"
75°
134.67 5.302
3-1/2"
284.19 11.188
207.99 8.188
9-7/16"
8"
3/8"
1'3-1/2"
214.34 8.438
3/8"
R1"
111.99 4.409
143.72 5.658
3/8"
323.69 12.744
145.98 5.747
1-1/2"
1/2" 30°
R1/2"
DO
W
N
.1
4° R
MALF-901-002
MALF-901-003
MALF-901-004
MALF-901-005
MALF-901-006 MALF-901-007-A
(MALF-901-007-B MIRROR)
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
PART NUMBER: REV
SHEET 4 OF 5
SEE SHEET
DO NOT SCALE
LIFTING ARM PIVOT, WELDMENT
ggoldman
FINISH
UNFINISHED
CREATED: 8/24/2022
SIZE
AUNLESS OTHERWISE SPECIFIED
A A
B B
C C
D D
G2 ENGINEERING
104.72 4.123
3/8"
7.918
5-1/2"
3/8"
.781 THRU
10-1/4"
8"
1/2"
1/2"
3/8"
7-1/2"
3-1/2"
.726MIN
5-1/2"
1'2-7/8"
3/8"
MALF-901-008
MALF-901-009
MALF-901-010
MALF-901-011
MALF-901-012
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
PART NUMBER: REV
SHEET 5 OF 5
SEE SHEET
DO NOT SCALE
LIFTING ARM PIVOT, WELDMENT
ggoldman
FINISH
UNFINISHED
CREATED: 8/24/2022
SIZE
AUNLESS OTHERWISE SPECIFIED
A A
B B
C C
D D
G2 ENGINEERING
| MALF-901-A |
| Drawing View1 |
| Drawing View2 |
| Drawing View3 |
| Drawing View4 |
| MALF-901-A-BOM |
| Drawing View29 |
| MALF-901-B |
| Drawing View30 |
| Drawing View31 |
| Detail View A (1 : 4) |
| Section View B-B |
| WELDMENT COMPONENTS |
| Drawing View5 |
| Drawing View6 |
| Drawing View7 |
| Drawing View8 |
| Drawing View9 |
| Drawing View10 |
| Drawing View11 |
| Drawing View12 |
| Drawing View13 |
| Drawing View14 |
| Drawing View15 |
| Drawing View16 |
| Drawing View17 |
| Drawing View18 |
| WELDMENT COMPONENTS(2) |
| Drawing View19 |
| Drawing View20 |
| Drawing View21 |
| Drawing View22 |
| Drawing View23 |
| Drawing View24 |
| Drawing View25 |
| Drawing View26 |
| Drawing View27 |
| Drawing View28 |
File details come from the government source that posted it. Updated .