2021 Corrosion Guaging Report.pdf
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This document contains a thickness measurement report for the structural members of the Training Ship Freedom Star and a related federal contract opportunity notice for the ship's FY23 regulatory dry docking. The thickness measurement report details ultrasonic testing of the vessel's bottom plating, flat keel, and "A" strake plating from frames 35 to 41. It lists original and measured thicknesses for over 100 structural locations and notes any diminution exceeding thresholds. The related federal contract opportunity is a solicitation from the Maritime Administration to provide industrial support for the regulatory dry docking of the Training Ship Freedom Star in accordance with the statement of work, with no further details provided.
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by
WINDWARD MARINE-INDUSTRIAL, INC.
Office- 973-202-7595 email- info@marinendt.com
FREEDOM STAR
ABS ID NO. 8100109
for
MARAD
REPORT ON ULTRASONIC THICKNESS MEASUREMENTS
07 April 2021
G-21029
GENERAL PARTICULARS
Ships name :
IMO Number :
Class Id Number :
Port of Registry :
Gross tons :
Deadweight :
Date of built :
Classification society :
Name of Company performing thickness measurement
Thickness measurement company certified by
Certificate No. :
Certificate valid to :
Place of measurement :
First date of measurement :
Last date of measurement :
Type of Survey: :
Measuring equipment :
Operator qualifications :
Report Number : consisting of 13 sheets
Name of operator : Name of surveyor :
Signature of operator : Signature of surveyor :
GE DMS 2 AND CYGNUS 2
G-21029
ASNT UTM LEVEL II
NEIL NEMAI RICHARD 'CHAD" GESTEWITZ
PINEY POINT, MD
4/7/2021
4/7/2021
ANNUAL SURVEY
20-43396990-A AND 204396990-B
8-Sep-23
FREEDOM STAR
7925314
ABS ID NO. 8100109
NORFOLK, VA
ABS New Jersey
January 1, 1981
AMERICAN BUREAU OF SHIPPING
Windward Marine-Industrial, Inc.
THICKNESS MEASUREMENTS OF
MISCELLANEOUS STRUCTURAL MEMBERS
BOTTOM PLATING IWO FLUME TANK FR. 35-41
LONG'L BHD STIFFENERS NO. 3 P SWB TANK
TANK TOP TRANSVERSE, FR. 28, O. 3 P SWB TANK
TABLE OF CONTENTS
PAGES
4-11
TM4 Below Minimum Allowed:
Substantial Corrosion:
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
FLAT KEEL PLATING 1 .500 .439 .390 .125 .061 12.2 .110 22.0
REFER TO SKETCH FOLLOWING 2 .500 .474 .390 .125 .026 5.2 .110 22.0
3 .500 .500 .480 .125 .000 0.0 .020 4.0
4 .500 .453 .490 .125 .047 9.4 .010 2.0
5 .500 .454 .381 .125 .046 9.2 .119 23.8
6 .500 .447 .509 .125 .053 10.6 .000 0.0
7 .500 .428 .512 .125 .072 14.4 .000 0.0
8 .500 .415 .510 .125 .085 17.0 .000 0.0
9 .500 .465 .370 .125 .035 7.0 .130 26.0
10 .500 .420 .510 .125 .080 16.0 .000 0.0
11 .500 .467 .510 .125 .033 6.6 .000 0.0
12 .500 .440 .508 .125 .060 12.0 .000 0.0
13 .500 .480 .366 .125 .020 4.0 .134 26.8
14 .500 .398 .511 .125 .102 20.4 .000 0.0
15 .500 .428 .512 .125 .072 14.4 .000 0.0
16 .500 .410 .512 .125 .090 18.0 .000 0.0
17 .500 .500 .450 .125 .000 0.0 .050 10.0
18 .500 .430 .508 .125 .070 14.0 .000 0.0
19 .500 .440 .510 .125 .060 12.0 .000 0.0
20 .500 .415 .509 .125 .085 17.0 .000 0.0
21 .500 .420 .400 .125 .080 16.0 .100 20.0
22 .500 .400 .507 .125 .100 20.0 .000 0.0
23 .500 .410 .510 .125 .090 18.0 .000 0.0
24 .500 .475 .508 .125 .025 4.9 .000 0.0
25 .500 .482 .450 .125 .018 3.6 .050 10.0
STRUCTURAL MEMBER
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
BOTTOM PLATING
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
OPERATOR: NEIL NEMAI SURVEYOR: RICHARD 'CHAD" GESTEWITZ DATE: 4/7/2021
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
FLAT KEEL PLATING 26 .500 .460 .388 .125 .040 8.0 .112 22.4
REFER TO SKETCH FOLLOWING 27 .500 .480 .411 .125 .020 4.0 .089 17.8
28 .500 .450 .410 .125 .050 10.0 .090 18.0
29 .500 .405 .430 .125 .095 19.0 .070 14.0
30 .500 .420 .420 .125 .080 16.0 .080 16.0
31 .500 .420 .400 .125 .080 16.0 .100 20.0
32 .500 .460 .397 .125 .040 8.0 .103 20.6
33 .500 .496 .416 .125 .004 0.8 .084 16.8
34 .500 .440 .470 .125 .060 12.0 .030 6.0
35 .500 .461 .479 .125 .039 7.8 .021 4.2
36 .500 .440 .393 .125 .060 12.0 .107 21.4
37 .500 .470 .423 .125 .030 6.0 .077 15.4
38 .500 .500 .442 .125 .000 0.0 .058 11.6
39 .500 .440 .430 .125 .060 12.0 .070 14.0
40 .500 .510 .476 .125 .000 0.0 .024 4.8
41 .500 .510 .411 .125 .000 0.0 .089 17.8
42 .500 .510 .440 .125 .000 0.0 .060 12.0
43 .500 .493 .460 .125 .007 1.4 .040 8.0
44 .500 .495 .410 .125 .005 1.0 .090 18.0
45 .500 .460 .452 .125 .040 8.0 .048 9.6
46 .500 .480 .420 .125 .020 4.0 .080 16.0
47 .500 .470 .490 .125 .030 6.0 .010 2.0
48 .500 .500 .490 .125 .000 0.0 .010 2.0
49 .500 .483 .400 .125 .017 3.4 .100 20.0
50 .500 .490 .450 .125 .010 2.0 .050 10.0
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
BOTTOM PLATING
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
FLAT KEEL PLATING 51 .500 .434 .456 .125 .066 13.2 .044 8.8
REFER TO SKETCH FOLLOWING 52 .500 .450 .410 .125 .050 10.0 .090 18.0
53 .500 .450 .391 .125 .050 10.0 .109 21.8
54 .500 .476 .390 .125 .024 4.8 .110 22.0
55 .500 .406 .450 .125 .094 18.8 .050 10.0
56 .500 .460 .396 .125 .040 8.0 .104 20.8
57 .500 .492 .410 .125 .008 1.6 .090 18.0
58 .500 .495 .390 .125 .005 1.0 .110 22.0
59 .500 .360 .457 .125 .140 28.0 .043 8.6
60 .500 .427 .412 .125 .073 14.6 .088 17.6
61 .500 .420 .420 .125 .080 16.0 .080 16.0
62 .500 .457 .421 .125 .043 8.6 .079 15.8
63 .500 .498 .420 .125 .002 0.4 .080 16.0
64 .500 .452 .435 .125 .048 9.6 .065 13.0
65 .500 .470 .368 .125 .030 6.0 .132 26.4
66 .500 .462 .378 .125 .038 7.6 .122 24.4
67 .500 .433 .440 .125 .067 13.4 .060 12.0
68 .500 .460 .453 .125 .040 8.0 .047 9.4
69 .500 .452 .470 .125 .048 9.6 .030 6.0
70 .500 .479 .366 .125 .021 4.2 .134 26.8
71 .500 .410 .445 .125 .090 18.0 .055 11.0
72 .500 .432 .480 .125 .068 13.6 .020 4.0
73 .500 .418 .469 .125 .082 16.4 .031 6.2
74 .500 .410 .490 .125 .090 18.0 .010 2.0
75 .500 .420 .410 .125 .080 16.0 .090 18.0
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
BOTTOM PLATING
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
FLAT KEEL PLATING 76 .500 .470 .470 .125 .030 6.0 .030 6.0
REFER TO SKETCH FOLLOWING 77 .500 .410 .390 .125 .090 18.0 .110 22.0
78 .500 .450 .390 .125 .050 10.0 .110 22.0
79 .500 .440 .445 .125 .060 12.0 .055 11.0
80 .500 .410 .446 .125 .090 18.0 .054 10.8
81 .500 .440 .421 .125 .060 12.0 .079 15.8
82 .500 .470 .419 .125 .030 6.0 .081 16.2
83 .500 .470 .488 .125 .030 6.0 .012 2.4
84 .500 .480 .432 .125 .020 4.0 .068 13.6
85 .500 .430 .430 .125 .070 14.0 .070 14.0
86 .500 .480 .470 .125 .020 4.0 .030 6.0
87 .500 .480 .400 .125 .020 4.0 .100 20.0
88 .500 .460 .480 .125 .040 8.0 .020 4.0
89 .500 .430 .390 .125 .070 14.0 .110 22.0
90 .500 .510 .400 .125 .000 0.0 .100 20.0
91 .500 .500 .402 .125 .000 0.0 .098 19.6
92 .500 .470 .450 .125 .030 6.0 .050 10.0
93 .500 .450 .431 .125 .050 10.0 .069 13.8
94 .500 .490 .460 .125 .010 2.0 .040 8.0
95 .500 .491 .450 .125 .009 1.8 .050 10.0
96 .500 .498 .421 .125 .002 0.4 .079 15.8
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
BOTTOM PLATING
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
"A" STRAKE PLATING 1 .375 .340 .366 .094 .035 9.3 .009 2.4
REFER TO SKETCH FOLLOWING 2 .375 .355 .350 .094 .020 5.3 .025 6.7
3 .375 .358 .376 .094 .017 4.5 .000 0.0
4 .375 .354 .320 .094 .021 5.6 .055 14.7
5 .375 .360 .370 .094 .015 4.0 .005 1.3
6 .375 .351 .375 .094 .024 6.4 .000 0.0
7 .375 .322 .330 .094 .053 14.1 .045 12.0
8 .375 .340 .369 .094 .035 9.3 .006 1.6
9 .375 .361 .377 .094 .014 3.7 .000 0.0
10 .375 .350 .304 .094 .025 6.7 .071 18.9
11 .375 .358 .367 .094 .017 4.5 .008 2.1
12 .375 .332 .378 .094 .043 11.5 .000 0.0
13 .375 .320 .387 .094 .055 14.7 .000 0.0
14 .375 .353 .351 .094 .022 5.9 .024 6.4
15 .375 .351 .378 .094 .024 6.4 .000 0.0
16 .375 .353 .310 .094 .022 5.9 .065 17.3
17 .375 .307 .365 .094 .068 18.1 .010 2.7
18 .375 .330 .379 .094 .045 12.0 .000 0.0
19 .375 .356 .363 .094 .019 5.1 .012 3.2
20 .375 .362 .366 .094 .013 3.5 .009 2.4
21 .375 .360 .379 .094 .015 4.0 .000 0.0
22 .375 .336 .310 .094 .039 10.4 .065 17.3
23 .375 .331 .361 .094 .044 11.7 .014 3.7
24 .375 .305 .379 .094 .070 18.7 .000 0.0
25 .375 .330 .308 .094 .045 12.0 .067 17.9
BOTTOM PLATING
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
"A" STRAKE PLATING 26 .375 .311 .358 .094 .064 17.1 .017 4.5
REFER TO SKETCH FOLLOWING 27 .375 .366 .371 .094 .009 2.4 .004 1.1
28 .375 .367 .301 .094 .008 2.1 .074 19.7
29 .375 .367 .368 .094 .008 2.1 .007 1.9
30 .375 .366 .377 .094 .009 2.4 .000 0.0
31 .375 .366 .368 .094 .009 2.4 .007 1.9
32 .375 .365 .367 .094 .010 2.7 .008 2.1
33 .375 .366 .378 .094 .009 2.4 .000 0.0
34 .375 .368 .340 .094 .007 1.9 .035 9.3
35 .375 .368 ..369 .094 .007 1.9 -
36 .375 .365 .377 .094 .010 2.7 .000 0.0
37 .375 .366 .380 .094 .009 2.4 .000 0.0
38 .375 .360 .366 .094 .015 4.0 .009 2.4
39 .375 .330 .379 .094 .045 12.0 .000 0.0
40 .375 .310 .378 .094 .065 17.3 .000 0.0
41 .375 .320 ..368 .094 .055 14.7 -
42 .375 .320 .377 .094 .055 14.7 .000 0.0
43 .375 .315 .320 .094 .060 16.0 .055 14.7
44 .375 .330 .368 .094 .045 12.0 .007 1.9
45 .375 .376 .380 .094 .000 0.0 .000 0.0
46 .375 .370 .339 .094 .005 1.3 .036 9.6
47 .375 .375 .366 .094 .000 0.0 .009 2.4
48 .375 .374 .376 .094 .001 0.3 .000 0.0
49 .375 .325 .094 - .050 13.3
50 .375 .366 .094 - .009 2.4
BOTTOM PLATING
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
Vessel's Name Class ID No. Report No.
STRUCTURAL MEMBER
LOCATION OF STRUCTURE
NO. ORIG Max Diminution Diminution
OR Thk. Gauged Dim. P S
LTR. (in.) P S (in.) (in.) % (in.) %
"A" STRAKE PLATING 51 .375 .379 .094 - .000 0.0
REFER TO SKETCH FOLLOWING 52 .375 .340 .094 - .035 9.3
53 .375 .330 .094 - .045 12.0
54 .375 .379 .094 - .000 0.0
55 .375 .340 .094 - .035 9.3
56 .375 .365 .094 - .010 2.7
57 .375 .377 .094 - .000 0.0
58 .375 .345 .094 - .030 8.0
59 .375 .310 .094 - .065 17.3
60 .375 .380 .094 - .000 0.0
61 .375 .347 .094 - .028 7.5
62 .375 .367 .094 - .008 2.1
63 .375 .380 .094 - .000 0.0
64 .375 .374 .094 - .001 0.3
65 .375 .366 .094 - .009 2.4
66 .375 .380 .094 - .000 0.0
67 .375 .330 .094 - .045 12.0
68 .375 .366 .094 - .009 2.4
69 .375 .382 .094 - .000 0.0
70 .375 .342 .094 - .033 8.8
71 .375 .367 .094 - .008 2.1
72 .375 .380 .094 - .000 0.0
BOTTOM PLATING
CENTERLINE FLAT KEEL AND "A" STRAKE PLATING IWO FLUME TANK FR. 35-41
STRUCTURAL MEMBER
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR ABS ID NO. 8100109 G-21029
TM6 Below Minimum Allowed:
Vessel's Name Class Identity No. ABS ID NO. 8100109 Report No. G-21029
STRUCTURAL MEMBER:
LOCATION OF STRUCTURE:
ORIG Max Diminution Diminution
Thk. Gauged Dim. P S
(in.) P S (in.) (in.) % (in.) %
VERTICAL STIFFENERS - - -
FR. 26 1 WEB .250 .240 .075 .010 4.0 -
FLG .250 .243 .075 .007 2.8 -
2 WEB .250 .235 .075 .015 6.0 -
FLG .250 .220 .075 .030 12.0 -
3 WEB .250 .248 .075 .002 0.8 -
FLG .250 .183 .075 .067 26.8 -
FR. 27 1 WEB .250 .240 .075 .010 4.0 -
FLG .250 .238 .075 .012 4.8 -
2 WEB .250 .237 .075 .013 5.2 -
FLG .250 .246 .075 .004 1.6 -
3 WEB .250 .243 .075 .007 2.8 -
FLG .250 .215 .075 .035 14.0 -
FR. 28 1 WEB .250 .238 .075 .012 4.8 -
FLG .250 .240 .075 .010 4.0 -
2 WEB .250 .238 .075 .012 4.8 -
FLG .250 .220 .075 .030 12.0 -
3 WEB .250 .249 .075 .001 0.4 -
FLG .250 .198 .075 .052 20.8 -
FR. 29 1 WEB .250 .240 .075 .010 4.0 -
FLG .250 .228 .075 .022 8.8 -
2 WEB .250 .238 .075 .012 4.8 -
FLG .250 .220 .075 .030 12.0 -
3 WEB .250 .236 .075 .014 5.6 -
FLG .250 .180 .075 .070 28.0 -
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR
LONG'L BHD VERT. STIFFENERS DRAWING
NO. 3 P SWB TANK
DESCRIPTION
OR GAUGING POINT
TM6 Below Minimum Allowed:
Vessel's Name Class Identity No. ABS ID NO. 8100109 Report No. G-21029
STRUCTURAL MEMBER:
LOCATION OF STRUCTURE:
ORIG Max Diminution Diminution
Thk. Gauged Dim. P S
(in.) P S (in.) (in.) % (in.) %
TANK TOP TRANSVERSE - - -
FR. 28 1 WEB .250 .253 .075 .000 0.0 -
FLG .250 .233 .075 .017 6.8 -
2 WEB .250 .242 .075 .008 3.2 -
FLG .250 .199 .075 .051 20.4 -
3 WEB .250 .246 .075 .004 1.6 -
FLG .250 .180 .075 .070 28.0 -
DESCRIPTION
OR GAUGING POINT
NO. 3 P SWB TANK
REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS
FREEDOM STAR
TANK TOP TRANSVERSE DRAWING
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