5 Specs and Drawings RFQ_STD SPECIFICATION FOR FABRICATION OF 2PT54 METER BUOY FRAMEWORKS AND BRIDLE.pdf

PDF 12 MB Posted Apr 22, 2026

Attached to: NOAA: 2. 54m Buoy Frame & Bridles for the National Data Buoy Center (NDBC)
Solicitation number: 142082-26-0206
Issued by: Department of Commerce National Oceanic and Atmospheric Administration

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Written by GovTribe AI · Apr 22, 2026

This is a standard specification document for the fabrication of a 2.54-meter buoy framework and bridle assembly for the National Data Buoy Center (NDBC) Weather Buoy Array.

The contractor shall fabricate and deliver four complete 2.54M buoy frameworks assemblies (drawing ATHULL2.0-N1002) and four 2.54M bridle assemblies with bridle padeyes (drawing ATBDL2.0-F1002). All work must be performed in accordance with referenced drawings, applicable government standards (NDBC-8090), and industry standards including AWS D1.2/D1.2M for aluminum welding and AWS D1.6/D1.6M for stainless steel welding. The contractor must provide all necessary labor, materials, equipment, and facilities to complete fabrication and deliver specified piece parts to the National Data Buoy Center, Building 3203, Stennis Space Center, Mississippi 39529. Quality assurance requirements include submission of welding procedures and welder qualifications conforming to AWS D1.2 prior to fabrication, provision of vendor-supplied material certifications for all aluminum materials, performance of a hull pressure test in accordance with NDBC-8090 with government witness notification at least two weeks prior to testing, and production of a first article for inspection before commencing fabrication of remaining articles. Any leaks discovered during pressure testing must be repaired and retested until passing. All sharp edges must be broken and deburred per specifications outlined in referenced drawings.

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NDBC STANDARD SPECIFICATION FOR FABRICATION OF 2.54 M FRAMEWORK AND BRIDLE USED IN

THE WEATHER BUOY ARRAY

1. SCOPE

1.1. General. This specification describes the requirements for the fabrication of the buoy and bridle structure used in the 2.54 M Foam Buoy as part of the NDBC Weather Buoy Array. The contractor shall provide all the necessary labor, material, equipment, facilities and services to fabricate and deliver the specified piece parts to the National Data Buoy Center (NDBC).

1.2. Precedence. Any ambiguity of conflict between this specification and other applicable documents shall be resolved by the following order of precedence:

a) The issued contract with any amendments or modifications

b) This specification

c) The drawings listed in paragraph 2.4

d) Other applicable documents listed in paragraph 2.0

2. APPLICABLE DOCUMENTS

2.1. General. The documents listed in this section are referenced in section 3 and 4 of this specification. This section does not include documents cited in other sections of this specification, which are recommended for additional information or used as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements cited in sections 3 and 4 of this specification, whether or not the referenced documents are listed here.

2.2. Government Documents. The following documents for a part of this specification to the extent referenced herein. Suffixes denoting the specific issue of each document are omitted from future references to the documents in this specification.

STANDARD DATE TITLE

NDBC-8090 1998 NDBC STANDARD TEST PROCEDURE FOR 3-

METER BUOY WATERTIGHT INTEGRITY TEST

2.3. Industry Publications. The following documents of the issues specified form a part of this specification to the extent referenced herein. Suffixes denoting the specific issue of each document will be omitted from future references to the document in this specification.

STANDARD DATE TITLE

AWS D1.2/D1.2M 2014 Structural Welding Code – Aluminum

AWS D1.6/ /D1.6M 2017 Structural Welding Code – Stainless Steel

2.4. Drawings. The following NDBC drawings form a part of this specification to the extent referenced herein and shall be referred to as "the drawings" throughout this specification:

Drawing Rev Title

ATHULL2.0-N1002 0 2.54M BUOY FRAMEWORKS ASSEMBLY

ATHULL2.0-F2003 0 2.54M HULL INSERT WELDMENT

ATHULL2.0-N2004 0 2.54M LID WELDMENT

ATHULL2.0-F2002 0 HULL RETAINER WELDMENT

HURRHULL-F2021 0 BUOY BOTTOM RETAINER FLANGE

HURRHULL-F2018 0 THREADED TAB ISOLATOR

HURRHULL-F2019 0 THREADED TAB

ATHULL2.0-N2006 0 CABLE PASS THROUGH GASKET

ATHULL2.0-N2005 0 CABLE PASS THROUGH CAP

ATHULL2.0-N2007 0 2.54M LID GASKET

NDBC-9209 E HATCH DOG BOLT ASSEMBLY

NDBC-9208 C DOG BOLT

ATBDL2.0-F1002 0 2.54M BRIDLE WITH BRIDLE PADEYE

ATBDL2.0-F1001 0 BRIDLE ASSEMBLY

ATBDL2.0-F2004 0 MOORING PADEYE WELDMENT

ATBDL2.0-F2003 0 BRIDLE LEG ISOLATOR

ATBDL2.0-F2002 0 PENDANT ISOLATOR PLATE

ATBLD2.0-F2001 0 BRIDLE WELDMENT

3. REQUIREMENTS

The contractor shall fabricate and assemble the following from the drawings listed above:

Drawing Title Quantity

ATHULL2.0-N1002 2.54M BUOY FRAMEWORKS ASSEMBLY 4

ATBDL2.0-F1002 2.54M BUOY BRIDLE WITH BRIDLE PADEYE 4

All aluminum welding shall be in accordance with AWS D1.2.

All stainless steel welding shall be in accordance with AWS D1.6

4. QUALITY ASSURANCE

4.1. Welding Procedures and Qualifications. The contractor shall submit welding procedures and welder qualifications that conform with AWS D 1.2 prior to fabrication of any of the weldments.

4.2. Material Certifications. The contractor shall provide vendor supplied material certifications for all materials used in the construction of all aluminum.

4.3. Hull Pressure Test. The contractor shall perform a hull pressure test in accordance with NDBC-

8090. Any leaks will require repair and retest until test is passed. At least two weeks prior to performing this test, the contractor shall notify the government so they can witness the test.

4.4. First Article. The contractor shall produce and deliver a first article of the mast for inspection prior to commencing fabrication of the remainder of the articles.

5. DELIVERABLES

All deliverables shall be shipped to the following address:

National Data Buoy Center Attn: Property Officer Building 3203 Stennis Space Center, MS 39529

FRONT VIEW

SCALE 1 : 4

EXPLODED VIEW

SCALE 1 : 5

DETAIL A

SCALE 1 : 2

DETAIL C

SCALE 1 : 2

13 ATBDL2.0-F2003 BRIDLE LEG ISOLATOR 3

12 ATBDL2.0-F2002 PENDANT ISOLATOR PLATE 1

11 ATBDL2.0-F2001 BRIDLE WELDMENT 1

10 13332NUT, NYLON-INSERT HEX LOCKNUT, .375"-16 THREAD SIZE, .5625" WIDTH, .4531" HEIGHT, 316 SST 3

9 92186A72613646SCREW, CAP, HEX HEAD, .50" 13 UNC x 3.50" LG., PARTIAL THREAD, 316 SST McMASTER-CARR3

8 90107A03313647WASHER, FLAT, .50" SCREW SIZE, .531" ID, 1.25" OD, .069" THK, 316 SST McMASTER-CARR6

7 14024ZINC ANODES (FOR BRIDLE) 3

6 90295A49414394WASHER, FLAT, .50" SCREW SIZE, .53" ID, 1.25" OD, .09"-.11" THK, NYLON 6/6 McMASTER-CARR6

5 91500A19414421SCREW, FLAT HEAD, MACHINE, PHILLIPS, #8-32 UNC x .50" LG., FULL THREAD, 316 SST McMASTER-CARR9

4 1909BRICK, WEIGHT, METAL, 2.00" x 4.00" x 8.00", LEAD 3

3 90715A1652716NUT, NYLON-INSERT HEX LOCKNUT, .50"-13 THREAD SIZE, .75" WIDTH, .5938" HEIGHT, 316 SST McMASTER-CARR3

2 3414SCREW, CAP, HEX HEAD, .375" 16 UNC x 1.50" LG., PARTIAL THREAD, 316 SST 3

1 663WASHER, FLAT, .375" SCREW SIZE, .4063" ID, .8125" OD, .05" THK, 316 SST

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

DWG NO

ATBDL2.0-F1001

TITLE

2.54M BUOY BRIDLE ASSEMBLY

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

SCALE

DRAWING LEVEL

* = VENDOR REQUIRED OTHERWISE VENDOR SUGGESTED.

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

3 REQ'D

2x 2x

2 1 10

3 REQ'D

RIGHT SIDE VIEW

SCALE 1 : 5

ISOMETRIC VIEW

SCALE 1 : 5

DETAIL A

SCALE 1 : 1

6 ATBDL2.0-F1001 BRIDLE ASSEMBLY 1

5 ATBDL2.0-F2004 MOORING PADEYE WELDMENT 1

4 HURRHULL-F2021 BUOY BOTTOM RETAINER FLANGE NDBC3

3 92186A84818759SCREW, CAP, HEX HEAD, .75" 10 UNC x 3.25" LG., PARTIAL THREAD, 316 SST McMASTER-CARR3

2 90715A0366920NUT, NYLON-INSERT HEX LOCKNUT, .75"-10 THREAD SIZE, 1.0625" WIDTH, .875" HEIGHT, 316 SST McMASTER-CARR3

1 731WASHER, FLAT, .75" SCREW SIZE, .8125" ID, 2.00" OD, .148" THK, 316 SST

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

DWG NO

ATBDL2.0-F1002

TITLE

2.54M BUOY BRIDLE WITH BRIDLE PADEYE

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

3 REQ'D

3 1 4 2

ISOMETRIC BOTTOM VIEW

SCALE 1 : 5

FRONT VIEW

SCALE NTS

TOP VIEW

SCALE NTS

ISOMETRIC TOP VIEW

SCALE 1 : 8

DETAIL A

SCALE 1 : 4

4 18438PLATE, METAL, .50" x 24.00" x 24.00", 316 SST 1

3 8318 COMBO8318PLATE, METAL, .25" x 48.00" x 96.00", 316 SST 33.000 in^2

2 8422PLATE, METAL, .75" x 48.00" x 96.00", 316 SST 3

1 8422PLATE, METAL, .75" x 48.00" x 96.00", 316 SST

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 4

APPROVED

DWG NO

ATBDL2.0-F2001

TITLE

2.54M BUOY BRIDLE WELDMENT

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

NOTES:

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

.375

..375

.25

3/8

TYP

21.75

56.70( )

120°( )

3/8

SCALE 2 : 1

SIDE VIEW

SCALE 2 : 1

ISOMETRIC VIEW

SCALE 2 : 1

TOP VIEW

SCALE 1 : 2

SIDE VIEW

SCALE 1 : 2

ISOMETRIC VIEW

SCALE 1 : 2

A A

B B

C C

D D

SHEET 2 OF 4

DWG NO

ATBDL2.0-F2001

SIZE

REV

BALLAST TAB

BRIDLE BASE PLATE

2.75

4.00

R.254x

.25( )

30°

.25

1.00

1.78

3x n.81 x THRU

EQUALLY SPACED

ON n8.00 BC n10.71

120°

3x 8-32 UNC THRU - 2B

ON n8.93 BC

EQUALLY SPACED

.75( )

1.40

2.94

5.11

SCALE 3 : 7

SIDE VIEW

SCALE 3 : 7

DETAIL B

SCALE 0.86 : 1

DETAIL C

SCALE 0.86 : 1

A A

B B

C C

D D

SHEET 3 OF 4

DWG NO

ATBDL2.0-F2001

SIZE

REV

4.00

18°

1.25 6.03

15.53

25.03

34.53

44.03

50.92

51.64

53.53

55.67

56.43

58.10

.99

1.50

1.99

2.99

4.06

4.32

.75( ) n.97 x THRU

4.00

162°

72°

2x 8-32 UNC - 2B THRU

72°

1.03

1.50

4.38

4.97

7.17

8.28

3.39

3.45

4.55

5.11

5.87

R.60

R1.50

4.06

108°

.37

3.09

4.58

4.00

3.64

1.79

2.87

3.51

.36

2.00

4.05

4.39

2.60

4.56

4.58

BRIDLE LEG

TOP VIEW

SCALE NTS

SIDE VIEW

SCALE 1 : 3

ISOMETRIC VIEW

SCALE NTS

A A

B B

C C

D D

SHEET 4 OF 4

DWG NO

ATBDL2.0-F2001

SIZE

REV

BRIDLE LEG CROSS BRACE

.50( )

60°

2.74

16.30

17.47

18.80

19.21

21.05

21.16

.73

.97

1.78

16.30

16.74

17.43

17.84

19.38

20.08

20.21

20.74

.53

.74

1.13

1.83

2.21

2.74

3.09

3.33

3.51

3.83

4.00

4.21

4.74

32.07

33.00

34.40

36.66

37.00

3.33

R4.003x

R.503x

SCALE 1 : 1

FRONT VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE NTS

1 18599SHEET, PLASTIC, .1875" x 12.00" x 12.00", WHITE, ACETAL

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

DWG NO

ATBDL2.0-F2002

TITLE

PENDANT ISOLATOR PLATE

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

.188( ) n10.71

3x n.81 THRU

EQUALLY SPACED

ON n6.75 BC

60° 60°

3x n.18 THRU w n.33 X 82°

EQUALLY SPACED

ON n 8.93

120°

SCALE 2 : 1

TOP VIEW

SCALE 2 : 1

ISOMETRIC VIEW

SCALE 2 : 1

1 14508SHEET, PLASTIC, .125" x 12.00" x 12.00", CHEMICAL-AND-WEAR RESISTANT, BLACK, ACETAL

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

DWG NO

ATBDL2.0-F2003

TITLE

2.54 M BUOY BRIDLE LEG ISOLATOR

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

.125( )_

.36

2.00

3.64

4.00

1.70

3.40 n.81 THRU

2x n.18 THRU w n.33 X 82°

SCALE 1 : 2

BOTTOM VIEW

SCALE 1 : 2

FRONT VIEW

SCALE 1 : 2

ISOMETRIC VIEW

SCALE 1 : 2

3 13526PLATE, METAL, .75" x 48.00" x 96.00", STEEL A-36 1

2 13526PLATE, METAL, .75" x 48.00" x 96.00", STEEL A-36 1

1 7708PLATE, METAL, .25" x 48.00" x 96.00", STEEL, A-36

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 2

APPROVED

DWG NO

ATBDL2.0-F2004

TITLE

2.54 M BUOY MOORING PADEYE WELDMENT

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN 0

.375

.25

SCALE 1 : 2

SIDE VIEW

SCALE 1 : 2

ISOMETRIC VIEW

SCALE 1 : 2

FRONT VIEW

SCALE 1 : 1

TOP VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

FRONT VIEW

SCALE 1 : 1

SIDE VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

A A

B B

C C

D D

SHEET 2 OF 2

DWG NO

ATBDL2.0-F2004

SIZE

REV

PENDANT BASE PLATE

PENDANT PADEYE

PENDANT PADEYE DOUBLER

2.42

.78

.39

1.19

1.49

5.25

5.80

10.71

16.07

1.44

3.61

3.87

5.53

30°

60°

3x n1.02 THRU

ON n 8.00 BC

EQUALLY SPACED

1.44

3.61

3.87

5.53

120°

1.19

60°

30° n10.71

1.21

.75( ) n1.75 THRU

R2.38

1.19

2.08

3.27

R.894x

R.304x

.37

1.34

3.35

5.73

R1.192x

1.19

2.08

3.27

.75( )

4x .125 x 45° Chamfer n3.50 n1.75 THRU

.25( )

TOP VIEW

SCALE 1 : 1

SECTION A-A

SCALE 1 : 1

ISOMETRIC VIEW

SCALE NTS

TOP VIEW

SCALE 1 : 5

SIDE VIEW

SCALE 1 : 5

TOP VIEW

SCALE 1 : 5

FRONT VIEW

SCALE 1 : 5

ISOMETRIC VIEW

SCALE NTS

A A

2 BAR, METAL, ROUND, 2.50", ALUMINUM, 5086 NEED VENDOR ASSIGNED5.250 in

1 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086

NDBC1

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 1

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-F2002

TITLE

2.54M HULL BOTTOM RETAINER WELDMENT

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

1.75

.125 x 45° CHAMFER n2.50( ) n2.06 n1.00

1.375

TIE ROD CUP

.3750( ) n30.88 ID THRU n37.75 OD

3x n2.06 THRU v n2.53 x .125

ON n34.38 BC

EQUALLY SPACED

120° TYP

HULL BOTTOM RETAINER

0.25

0° SIDE VIEW

SCALE 1 : 10

RIGHT SIDE VIEW

SCALE 1 : 10

ISOMETRIC VIEW

SCALE 1 : 10

TOP VIEW

SCALE 1 : 10

SECTION A-A

SCALE 1 : 2

15 NEED PART NUMBER

ASSIGNED

BAR, METAL, ROUND, 2.50", ALUMINUM, 5086 NEED

VENDOR

ASSIGNED

5.250 in

14 TUBE, METAL, RECTANGLE, 2.00" x 3.00" x .25" THK, ALUMINUM, 5086 2

13 TUBE, METAL, RECTANGLE, 3.00" x 3.00" x .25" THK, ALUMINUM, 5086 1

12 PIPE, 4.00", SCH 40, ALUMINUM, 5086 1

11 5574

PIPE, .750", SCH 40, ALUMINUM, 6061

12.500 in

10 6607PLATE, METAL, .50" x 48.00" x 144.00", ALUMINUM, 6061, T6 136.080 in^2

9 6613COUPLING, PIPE, .50 NPT, SCH 40, ALUMINUM 1.312 in

8 6616PLATE, METAL, .25" x 48.00" x 120.00", ALUMINUM 5086 [1/4", 4', 10'] 2

7 6616PLATE, METAL, .25" x 48.00" x 120.00", ALUMINUM 5086 [1/4", 4', 10'] 1

6 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086

NDBC1

5 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086 NDBC1

4 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086 [3/8", 4', 12'] 1

3 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086 12

2 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086 1

1 8411PLATE, METAL, .75" x 48.00" x 144.00", ALUMINUM 5086

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 5

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-F2003

TITLE

2.54 M UPPER CLAMPING WELDMENT

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ALL WELDS MUST COMPLY WITH AWS D1.1/ D1.2.

GRIND DOWN WELD FLUSH.

.25

TYP

.19 1.44

.19

TYP

12x

180° REF

0° REF

6.25

34°

94°

154°

146°

86°

26°

90°

BOTTOM VIEW

SCALE 1 : 8

180° SIDE VIEW

SCALE 1 : 8

290° SIDE VIEW

SCALE 1 : 8

SIDE VIEW

SCALE 1 : 1

FRONT VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 10

DETAIL B

SCALE 1 : 2

DETAIL A

SCALE 1 : 3

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 2 OF 5

DWG NO

ATHULL2.0-F2003

SIZE

REV

COUPLING

TYP

2 5

.25

1.31

.25

2 5

.25

1.63

SCALE 1 : 10

SECTION B-B

SCALE 1 : 10

DETAIL C

SCALE 1 : 1

DETAIL D

SCALE 1 : 1

TOP VIEW

SCALE 1 : 7

SIDE VIEW

SCALE 1 : 7

SIDE VIEW #1

SCALE 1 : 7

SIDE VIEW #2

SCALE 1 : 7

B B

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 3 OF 5

DWG NO

ATHULL2.0-F2003

SIZE

REV

3 5

.25 3-6

.25

.38 1.88

30.91

31.35

33.41

33.85

40.76

48.38 n34.38

120°

45°

180° REF

0° REF

.11

.89

.64

24.06

41.55

44.33

53.92

56.70

58.30

63.31

.50

25.28

25.78

26.28

31.01

.50

25.28

25.78

26.28

31.01

R39.25

.375

HULL INSERT TOP

2.14

3.00

4.13

4.86

4.88

5.00

9.50

14.52

17.23

17.44

18.88

23.63

28.13

32.63

1.50

4.00

6.73

9.43

10.14

40.24

41.00

43.00

44.09

45.00

47.00

47.38

49.00

49.50

R2.00

R1.88

R2.00

HOLE TABLE

HOLE XDIM YDIM DESCRIPTION

A1 -6.38 1.50 n1.00 x .75

A2 -23.63 49.00 n1.00 x .75

B1 -28.13 49.50 n5.00 x .75

18x n.18 THRU w n.33 X 82°

9x n.40 x THRU

3x n2.06 THRU v n2.53

EQUALLY SPACED

ON n 34.38 n2.00 THRU

.75

R1.50

R.50

R.503x

HULL INSERT STRUT

SCALE 1 : 8

SECTION C-C

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 12

60° SIDE VIEW

SCALE 1 : 12

285° SIDE VIEW

SCALE 1 : 12

300° SIDE VIEW

SCALE 1 : 12

180° SIDE VIEW

SCALE 1 : 12

TOP VIEW

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

TOP VIEW

SCALE 1 : 2

SIDE VIEW

SCALE 1 : 2

TOP VIEW

SCALE 1 : 1

SIDE VIEW

SCALE 1 : 1

SIDE VIEW

SCALE 1 : 2

TOP VIEW

SCALE 1 : 2

SIDE VIEW #1

SCALE 1 : 2

TOP VIEW

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

SIDE VIEW #1

SCALE 1 : 2

SIDE VIEW #1

SCALE 1 : 1

SIDE VIEW #2

SCALE 1 : 2

SIDE VIEW #2

SCALE 1 : 2

SIDE VIEW #2

SCALE 1 : 1

C C

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 4 OF 5

DWG NO

ATHULL2.0-F2003

SIZE

REV

2.54 M CAN

CABLE PASS THROUGH TUBING

VENT TUBE

0° REF

180° REF

120° 120°

60°

15°

60°

R.13

44.38

48.00

15.38

30.75 n1.19 x THRU

45.88

15.38

30.75 n1.19 x THRU

15.38

30.75

44.38 n1.19 x THRU

44.88 n2.00 x THRU

15.38

30.75

R15.38

6.00

17.87

18.00 n3.50 x .25

3.00

4.00 n.41 x THRU

EQUALLY SPACED

ON n6.60 n8.10 n4.50 x THRU

.38

CABLE PASS THROUGH FLANGE

3.00

CABLE TRANSITION PIPE

6.25

2.50

3.50

CABLE PASS THROUGH END CAP

3.00

18.43

18.50

R15.38 n1.13 x .25

2.00

3.00

HIGH AND LOW VENT TUBING

2.50

1.50

HIGH AND LOW VENT TUBING END CAP

.25

1.20

1.95

R.75

.38

.75

1.75

2.88 n.95 x THRU

CAN LATCH

SIDE VIEW

TOP VIEW

SCALE 1 : 1

TOP VIEW

SCALE 1 : 5

SIDE VIEW

SCALE 1 : 5

SIDE VIEW #1

SCALE 1 : 5

SIDE VIEW #2

SCALE 1 : 5

SIDE VIEW #1

SCALE 1 : 5

SIDE VIEW #2

SCALE 1 : 5

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 5 OF 5

DWG NO

ATHULL2.0-F2003

SIZE

REV

n1.00 x THRU n2.06 x 1.38

1.75

.13 X 45° Chamfer

TIE ROD CUP

2 5 n30.00

.38

CYLINDER BOTTOM

2 5

29.03

29.47

38.88

R.50

1.75

.50

R.50

270° INTERNAL MOUNTING BRACKET

31.53

31.97

38.88

R.50

R.14

1.00

1.75

R.50

.50

90° INTERNAL MOUNTING BRACKET

R.14

3 5

EXPLODED VIEW

SCALE 1 : 7

DETAIL A

SCALE 0.29 : 1

ISOMETRIC VIEW

SCALE 1 : 10

20 ATHULL2.0-F2003 2.54 M HULL INSERT WELDMENT 1

19 ATHULL2.0-N2004 2.54 M LID WELDMENT 1

18 ATHULL2.0-F2002 HULL BOTTOM RETAINER WELDMENT NDBC1

17 96545A468 ROD, METAL, .75" x 10 UNC, 48" LG., ALL THREAD, 316 SST McMaster-Carr3

16 HURRHULL-F2021 BUOY BOTTOM RETAINER FLANGE NDBC6

15 HURRHULL-F2018 THREADED TAB ISOLATOR NDBC9

14 HURRHULL-F2019 THREADED TAB NDBC9

13 NDBC-9209 HATCH DOG BOLT ASSEMBLY NDBC6

12 ATHULL2.0-N2006 CABLE PASS THROUGH GASKET 1

11 ATHULL2.0-N2005 CABLE PASS THROUGH CAP 1

10 ATHULL2.0-N2007 2.54M LID GASKET NDBC1

9 14558WASHER, SHOULDER, .75" SCREW SIZE, .78" ID, .92" SHOULDER OD, 2.00" OVERALL DIA., .13" THICK

WASHER, .63" LG., DELRIN

8 91500A19716200SCREW, FLAT HEAD, MACHINE, PHILLIPS, #8-32 UNC x .75" LG., FULL THREAD, 316 SST McMASTER-CARR18

7 48335K15518689PIPE FITTING, High-Strength White Nylon Threaded Pipe Fitting, .75 Pipe Size, Hex Plug .ipt MCMASTER1

6 92186A84818759SCREW, CAP, HEX HEAD, .75" 10 UNC x 3.25" LG., PARTIAL THREAD, 316 SST McMASTER-CARR6

5 90715A1452702NUT, NYLON-INSERT, HEX LOCKNUT, .375"-16 THREAD SIZE, .5625" WIDTH, .4531" HEIGHT, 316 SST McMASTER-CARR6

4 663WASHER, FLAT, .375" SCREW SIZE, .4063" ID, .8125" OD, .05" THK, 316 SST 12

3 90715A0366920NUT, NYLON-INSERT HEX LOCKNUT, .75"-10 THREAD SIZE, 1.0625" WIDTH, .875" HEIGHT, 316 SST McMASTER-CARR12

2 92186A630708SCREW, CAP, HEX HEAD, .375" 16 UNC x 1.75" LG., PARTIAL THREAD, 316 SST McMASTER-CARR6

1 731WASHER, FLAT, .75" SCREW SIZE, .8125" ID, 2.00" OD, .148" THK, 316 SST

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 1

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-N1002

TITLE

2.54 M BUOY FRAMEWORKS ASSEMBLY

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ZONE REV DESCRIPTION DATE APPROVED

6 REQ'D

TOP VIEW #1

TOP VIEW #2

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

ISOMETRIC VIEW

SCALE 1 : 4

5 8411PLATE, METAL, .75" x 48.00" x 144.00", ALUMINUM 5086 54.000 in^2

4 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086 NDBC1

3 8408SHEET, METAL, .125" x 48.00" x 96.00", ALUMINUM, 5086 2

2 4404BAR, ROUND, .75", ALUMINUM, 6061 24.715 in

1 18045BAR, METAL, FLAT, .375" x 1.00", ALUMINUM, 6061

NDBC1

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 4

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-N2004

TITLE

2.54 M BUOY LID WELDMENT

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ALL TYP WELD CALLOUTS MUST COMPLY WITH AWS D 1.1/D 1.2.

60°

60° n33.21

12.836x

60°

TYP

2.00

25.65

12.37

28°

76°

28°

76° 76°

76°

TYP

BOTTOM VIEW

SCALE 1 : 3

SECTION A-A

SCALE 1 : 3

TOP VIEW

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

TOP VIEW

SCALE 1 : 1

SIDE VIEW

SCALE 1 : 1

SECTION B-B

SCALE 1 : 1

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 2 OF 4

DWG NO

ATHULL2.0-N2004

SIZE

REV

2 3

TYP

n31.50

.375

2.54 M BUOY LID BASE

.38

.64

.75

2.75

4.50

.72

1.00

1.28

2.00

R.256x n.56

153°

.75

.64

2.54 M BUOY LID LATCH

n1.00

SIDE VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

FRONT VIEW

FLAT PATTERN VIEW

SCALE 1 : 1

TOP VIEW

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

ISOMETRIC VIEW

SCALE 1 : 4

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 3 OF 4

DWG NO

ATHULL2.0-N2004

SIZE

REV

.75

2.75

3.25

4.00

1.25

5.50

6.75

R.502x

R1.252x

12.36

D O

W N

D O

W N

2.54 M BUOY LID HANDLE

1.00 n31.50 n32.25

TYP

2.54 M BUOY LID RIM

SIDE VIEW

SCALE 1 : 4

ISOMETRIC VIEW

SCALE 1 : 4

TOP VIEW

SCALE 1 : 4

SIDE VIEW

SCALE 1 : 4

ISOMETRIC VIEW

SCALE 1 : 4

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 4 OF 4

DWG NO

ATHULL2.0-N2004

SIZE

REV

2.00( )

TYP

n29.25 n29.00

2.54 M BUOY INNER LIP

2 4 n26.44 n28.94

.125

2.54 M BUOY LID INNER LIP BACKING

2 4

SIDE VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

1 8409PLATE, METAL, .375" x 48.00" x 144.00", ALUMINUM, 5086

NDBC1

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 1

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-N2005

TITLE

2.54 M CABLE PASS THROUGH CAP

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

n8.10

30°

6x n.41 x THRU

ON n6.60 BC

EQUALLY SPACED

60°

.375( )

SIDE VIEW

SCALE 1 : 1

ISOMETRIC VIEW

SCALE 1 : 1

1 2156GASKET, ROLL, .125" x 36.00", BLACK, NEOPRENE 60 DURO

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 1

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-N2006

TITLE

2.54 M BUOY CABLE PASS THROUGH

GASKET

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

n4.50 ID THRU n8.10 OD

6x n.41 THRU

ON Ø6.60 BC

EQUALLY SPACED

.125( )

SIDE VIEW

SCALE 1 : 4

ISOMETRIC VIEW

SCALE 1 : 4

1 4222GASKET, NEOPRENE RUBBER, .50" THICKNESS, 45 DUROMETER

NDBC1

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

D R A W

I N

S T A T E

SHEET 1 OF 1

APPROVED

CHRIS BROWN

DWG NO

ATHULL2.0-N2007

TITLE

2.54 METER LID GASKET

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

n31.38 n29.38 THRU

.50( )

NTS

SIDE VIEW

NTS

ISOMETRIC VIEW

NTS

11B5 14508SHEET, PLASTIC, .125" x 12.00" x 12.00", CHEMICAL-AND-WEAR RESISTANT, BLACK, ACETAL

1.125 in^2

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

ERIC GAY

MELISSA DUNCAN

LLOYD RABALAIS

9/22/2016

DWG NO

HURRHULL-F2018

TITLE

THREADED TAB ISOLATOR

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

5/22/2017

7/14/2016

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ERIC GAY

EA133W-12-CN0050

3/21/2024

RODNEY RILEY

3/22/2024

HURRHULL-F1002

HURRHULL-F1005

HURRHULL-F1007

SCALE

DRAWING LEVEL

PRODUCTION

R. RILEY 3/22/2024

CO22-0027

* = VENDOR REQUIRED OTHERWISE VENDOR SUGGESTED.

NOTES:

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

.375

.75

.25

1.50

(.125)

2x n.177 THRU n.40 THRU

R.254x

.50

1.00

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN

INITIAL BASELINE PRODUCTION RELEASE PER

CO22-0027. TRANSITIONED FROM PROTOTYPE.

J. STEWART 10/19/22 M. STEELE 10/19/22

3/21/2024

3/22/2024

E. GAY

R. RILEY

SCALE 5 : 1

SIDE VIEW

SCALE 5 : 1

ISOMETRIC VIEW

NTS

11B5 7531PLATE, METAL, .25" x 48.00" x 144.00", 316 SST

1.125 in^2

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

ERIC GAY

MELISSA DUNCAN

LLOYD RABALAIS

9/22/2016

DWG NO

HURRHULL-F2019

TITLE

THREADED TAB

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

8/4/2016

7/14/2016

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ERIC GAY

EA133W-12-CN-0050

3/21/2024

RODNEY RILEY

3/22/2024

HURRHULL-F1002

HURRHULL-F1005

HURRHULL-F1007

SCALE

DRAWING LEVEL

PRODUCTION

RODNEY RILEY 3/22/2024

CO22-0027

* = VENDOR REQUIRED OTHERWISE VENDOR SUGGESTED.

NOTES:

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

.375

.75

(.25)

2x 8-32 UNC - 2B

3/8-16 UNC - 2B

R.254x

.25

1.50

.50

1.00

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN

INITIAL BASELINE PRODUCTION RELEASE PER

CO22-0027. TRANSITIONED FROM PROTOTYPE.

J. STEWART 10/19/22 M. STEELE 10/19/22

03/21/2024

03/22/2024

SCALE 4 : 1

SIDE VIEW

SCALE 4 : 1

ISOMETRIC VIEW

NTS

11C7 14446PLATE, PLASTIC, 2.00" x 48.00" x 96.00", NATURAL WHITE, UHMW

1.641 in^2

PARTS LIST

ITEMZONEPART/SPEC. NO.NDBC CONT. NO.DESCRIPTIONNOTESVENDORQTY.

A A

B B

C C

D D

SHEET 1 OF 1

APPROVED

ERIC GAY

MELISSA DUNCAN

LLOYD RABALAIS

11/13/2017

DWG NO

HURRHULL-F2021

TITLE

BUOY BOTTOM RETAINER FLANGE

SIZE

REV

NATIONAL DATA BUOY CENTER

John C. Stennis Space Center

Stennis Space Center, Mississippi 39529

UNLESS OTHERWISE SPECIFIED:

DIMENSIONS ARE IN INCHES

TOLERANCES

DECIMALS ANGULAR

.XX +/- .05 +/- .5

.XXX +/-.010 .

DO NOT SCALE DRAWING

APPLICATION

-NO. HULL NO. NEXT ASSY. USED ON

NDBC PROJ. ENGINEER

NTSC ENGINEER

CHECKED

DRAWN

APPROVALS DATE

CONTRACT NO.

5/22/2017

5/16/2017

CHAIR, ENGINEERING REVIEW BOARD

CHANGE ORDER #

ERIC GAY

EA133W-12-CN-0050

3/21/2024

RODNEY RILEY

3/22/2024

HURRHULL-F1001 SCOOP

HURRHULL-F1004 SCOOP

SCALE

DRAWING LEVEL

PRODUCTION

RODNEY RILEY 3/22/2024

CO22-0027

* = VENDOR REQUIRED OTHERWISE VENDOR SUGGESTED.

NOTES:

BREAK ALL SHARP EDGES AND DEBURR EXPOSED WORK.1.

n.81 THRU n1.875 OD

.03 x 45° CHAMFER

.75 .13

REVISION HISTORY

ZONE REV DESCRIPTION DATE APPROVED

GEN

INITIAL BASELINE PRODUCTION RELEASE PER

CO22-0027. TRANSITIONED FROM PROTOTYPE.

J. STEWART 10/19/22 M. STEELE 10/19/22

03/21/2024

03/22/2024

ORIGINAL TDR

NDBC8090(1)

PROCEDURE: NDBC-8090

DATE:

NDBC STANDARD TEST PROCEDURE

FOR

3-METER BUOY WATERTIGHT

INTEGRITY TEST

NATIONAL DATA BUOY CENTER

JOHN C. STENNIS SPACE CENTER

STENNIS SPACE CENTER, MISSISSIPPI 39529-6000

PROCEDURE: NDBC-8090

NDBC8090(1) i

REVISIONS

REV.

DESCRIPTION

DATE

APPROVED

SUPERSEDES OE-5035; ECR R98-0045

NDBC-8090

1.0 PURPOSE

This procedure establishes the guidelines for conducting a watertight integrity test of the 3-m discus buoy hull structure.

2.0 APPLICATION

This procedure applies to all 3-m buoys.

3.0 PREREQUISITES

a. 03D0001000, 3-m discus hull structure drawing

b. NDBC-5028, Construction of Aluminum Ocean Buoy Structures

c. NDBC-8031, Welding and Repair Processes

d. NDBC-8029, Securing of Watertight Fittings

4.0 DISCUSSION

This procedure defines requirements for leak testing the hull compartments of the 3-m discus buoy using compressed air. The internal compartmentation of the hull consists of one center equipment compartment and six peripheral void compartments. All compartment bulkheads and feed throughs are of continuous welded construction.

5.0 MATERIALS REQUIRED

The following test equipment will be required for the test:

a. Leak test soap solution

b. Compressed air supply

c. Air test set including the following as a minimum:

1. 1 manual pressure regulator (0 to -5 psi)

2. Miscellaneous pipe fittings and hose

3. 1 relief valve (automatically relieves pressure greater than

5 psi) (Note: The valve will be non-adjustable and capable of independently reducing the pocket air pressure more rapidly than it can be increased by the air source.)

4. 2 pressure gauges (calibrated, 0 to 5 psig minimum range, 0 to

12 psig maximum range, readable to 0.125 psig or better)

5. 2 air pressure valves (manual, 150 psig)

6.0 SAFETY

an improper air test procedure can result in extensive structural damage and serious injury to test personnel. Testing should always be performed by qualified personnel using proper equipment. Any procedural questions will be resolved before the start of testing.

7.0 INSTRUCTIONS

7.1 GENERAL

7.1.1 Figure 1 depicts typical setups for leak testing hull compartments.

Compartment 1 will be tested via the vent pipe connections (¾-NPT-2A), or through ½-NPT-2B access. Each void compartment (2 through 7) will be tested via the ½-NPT-2B access.

7.1.2 The test will be conducted in the ambient environment in an area shaded from direct sunlight and rainfall.

7.1.3 For compartment identification see Figure 2. Upon detection of leakage, testing will be suspended until each leak is repaired, the failure documented, and testing resumed at the discretion of the test director.

This test procedure may be “redlined” as necessary, during testing and the test continued at the discretion of the test director. Any such deviations from prescribed procedure will be noted on the test data sheet in the comments section.

7.2 AIR TEST ACCOMPANYING ORIGINAL FABRICATION

7.2.1 Because of the method of construction of the buoy, it is recommended that each compartment be air tested as it is individually completed, (i.e., assemble hatch and cableway flange onto Compartment 1 (securing each in accordance with NDBC-8029), air test Compartment 1 with no deck plates installed; then proceed to the peripheral compartments, welding the deck plating on a particular void, then air testing that compartment, and so on). This method will permit access to problem welds.

7.2.2 Three alternate voids (2, 4, and 6 or 3, 5, and 7) can be welded and tested together without restricting access to all seams.

7.3 PRETEST PREPARATION

7.3.1 Record the serial numbers and calibration due dates for all test equipment on the test acceptance sheet.

7.3.2 For testing Compartment 1, verify that all gaskets are installed and the center hatch is secured per NDBC-8029 and vents are sealed.

7.3.3 Set up test equipment for the compartment under test specified in Figure 1.

7.4 TEST SEQUENCE

7.4.1 Record measured parameters, test dates, and test sequence on the test data sheets.

7.4.2 Pressurize Compartments 1 through 7, individually, to 1½ ±¼ psig with adjacent compartments opened to the ambient environment.

7.4.3 After pressurizing the compartment, shut off the compressed air supply, and leak-check all access covers, seals, and welded joints using liquid soap solution.

7.4.4 Note the locations of any leaks on Figure 2 of this procedure or separate sketches and submit with the test data sheet.

7.4.5 Once the compartment pressure has stabilized, record the pressure, and note the time.

7.4.6 Record the final pressure after 15 minutes have elapsed. The compartment pressure must not drop by more than psig (3.46 inches of water) in 15 minutes.

7.4.7 Locate and repair any leakage and retest the compartment. Leakage due to defects in plating or welds will be repaired in accordance with NDBC-8031.

7.5 POST TEST SECURE SEQUENCE

7.5.1 Following the test of each compartment, release the air pressure through the air test fixture vent.

7.5.2 Disconnect and remove all test equipment.

7.5.3 Reinstall all air test plugs with teflon tape.

7.5.4 Complete test data sheet and test acceptance sheet entries.

7.6 EMERGENCY SECURE SEQUENCE

7.6.1 Shut off compressed air supply.

7.6.2 Open the manual valve to the vent.

8.0 DATA SHEET

3-METER BUOY WATERTIGHT INTEGRITY TEST

RUN NUMBER DATE OF RUN

BUOY ID

Compt.

Number

Test

Date

Seq.

Initial

Pressure

(1½ ±¼ psig)

Pressure

After

15 min

(psig)

Temp.

Number of Leaks

Approval

Initial

Final

Comments:

Recorded By

8.1 ACCEPTANCE SHEET

3-METER BUOY WATERTIGHT INTEGRITY TEST

BUOY ID:

RUN NUMBER:

TEST CONDUCTOR: DATE

OF RUN:

TEST RECORDER: TEST LOCATION:

TEST COMPLETED: YES: NO:

ACTION REQUIRED:

TEST REQUIREMENTS HAVE BEEN MET:

Government Inspector

TEST DATA ARE AVAILABLE:

Government Inspector

TEST EQUIPMENT SERIAL NUMBER CALIBRATION DUE DATE

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DESCRIPTION

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DATE

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APPROVED

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LTR.

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ZONE

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REVISIONS

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50-QANW-5-00901

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NDBC PROJ ENGR

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PART/SPEC NO./NDBC LOG CONT NO.

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CONTRACT NO.

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DRAWN

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CHECK

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ENGINEER

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APPROVED

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HULL NO.

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-NO.

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NEXT ASSY

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USED ON

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APPLICATION

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UNLESS OTHERWISE SPECIFICED:

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DIMENSIONS ARE IN INCHES

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TOLERANCES

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DO NOT SCALE DRAWING

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TREATMENT

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FINISH

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DECIMALS

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.XX +.03

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.XXX +.010

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ANGULAR

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QTY.

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NO.

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NOTES

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NATIONAL DATA BUOY CENTER

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SHEET OF

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SCALE

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RELEASE DATE

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SSC, MS 39529

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FSCM NO.

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PARTS LIST

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SIZE

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DATE

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NOAA

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DWG NO.

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DESCRIPTION

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REV

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DOG BOLT

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NDBC-9208

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DOG BOLT,THREADED,.50-13UNC X

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MATERIAL CERTIFICATION TO BE SUPPLIED WITH ALL

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NOTES:

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REMOVED, REV B.

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REMOVED, REV C.

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DELIVERIES.

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.125 TYP

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OF THREAD, TYP,B.S.

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45%%DCHAMFER TO ROOT

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.50-13 UNC THREAD,3 IN. MINIMUM LINGTH

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03D1-SUBS

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NDBC-9209

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NDBC-9209

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06N16-SUBS

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NDBC-9209

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I.CRAFT

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DOG BOLT,CAST

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5.00L,316 SST

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CHAMFER

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IMC 9/8/97 JABR 09/10/97

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ITEM 1 PER ECR R97-0045.

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REVISED DOG BOLT LENGTH AND

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JABR

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T.M.RUTLEDGE

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W.T.NEWMAN

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W.T.NEWMAN

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T. NEWMAN

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TR 09/12/97

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GEN

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REVISED NOTE 2, DELETED

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NOTE 3, REVISED APPL. BLOCK

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AND DRAWING PER ECR R01-

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0083. IMC 09/17/01

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JK 09/18/01

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D.SCALLY

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CAST DOG BOLTS MEETING THESE MATERIAL AND DIMENSIONAL

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SPECIFICATION ARE ACCEPTABLE.

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GEN

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REVISED DOG BOLT,ADDED NOTE

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4, AND DELETED NOTE 2 PER

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ECR R03-0012, IMC 03/25/03

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TR/S/ 03/25/03

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D.SCALLY/S/

Printed Copies May Be Obsolete:

Validate Prior to use.

AutoCAD Drawing/Sketch:

NATIONAL DATA BUOY CENTERNOAA

DRAW

ING NAME: C:\Users\CHRIST~1.BRO\AppData\Local\Temp\AcPublish_34060\NDBC-9209.dwg

PLOT DATE: Feb 12, 2026 - 2:18pm

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50-QANW-0-00402

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DISCARD ALL PRIOR DWGS

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REVISED:

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RELEASE DATE:

AutoCAD SHX Text John C. Stennis Space Center

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- NO.

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DO NOT SCALE DRAWING

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CONFIGURATION MGT. APPROVAL

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UNLESS OTHERWISE SPECIFIED:

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.XXX .010

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HULL NO.

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NO.

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NDBC

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DATE

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SYSTEM. CHANGES SHALL ONLY BE INCORPORATED AS DIRECTED BY

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THIS DRAWING HAS BEEN GENERATED AND IS MAINTAINED BY A CAD

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THE NDBC ENGINEERING DEPARTMENT.

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ZONE

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LTR

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NDBC PROJ ENGR

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DATE

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%%UNOTES:

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MELT ENDS OF ITEM 6 TO FILL COUNTERSINKS IN

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CROSS DRILLED DOG BOLT END.

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ITEMS 8 AND 9 MAY BE SUBSTITUTED FOR ITEM 3

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OBTAINED FROM: CADILLAC PLASTIC

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2605 RIDGELAKE DR.

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METARIE,LA 70004

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PH#. 504-534-6222

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REMOVED, REV C.

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HATCH DOG BOLT

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ASSEMBLY

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NDBC-9209

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NDBC-9208

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CAST DOG BOLT

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REMOVED (REV B)

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ANSI B18.8.1

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PIN, CLEVIS, %%C.75 X 2.00, 1.76 GRIP,

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ANSI B18.2.2

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NUT, HEAVY HEX, .50-13UNC, 316 SST

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ROD, NYLATRON GS, %%C1.25 X .50L,

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POLYETHELENE, BLACK

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ROD, %%C.125 X .875 L, HMW OR HDPE,

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316 SST

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WASHER, FLAT, .094 THK X .50 I.D.,

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REMOVED (REV B)

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ANSI B18.8.1

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PIN, COTTER, %%C.125 X 2.50L, SST

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03D1-SUBS

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06N16-SUBS

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I.CRAFT

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REMOVED, REV C.

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T.RUTLEDGE

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W.T. NEWMAN

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W.T.NEWMAN

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300 SER, SST

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NUT, NYLOCK, .75-10UNC, 316 SST

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SCREW, HEX HD, .75-10UNC X 3.00L,

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316 SST

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AND ITEM 11 .

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ADDED FLAGNOTE 4 ,ITEM #12, AND -002

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PER ECR R97-0002. IMC 01/22/97

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JABR 01/23/97 TR 01/23/97

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W.T.NEWMAN

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REVISED FLAGNOTE 3 & ITEM 7, AND

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DELETED ITEMS 2 AND 10 PER ECR R97-

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10 PER ECR R97-0045.

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IMC 9/05/97 JABR 09/10/97

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GEN

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GEN

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DELETED FLGNS 2 & 4., PART NUMBERS

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8, 9, & 12, AND REV DRAWING PER ECR

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R01-0083. IMC 09/17/01

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TR 09/12/97

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D.SCALLY

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JK 09/18/01

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GEN

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REVISED ITEM 6 TO INCLUDE, OR HDPE

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OR HDPE TO DESCRIPTION PER

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ECR-R02-0066. F.L.08/20/02

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D.SCALLY

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GEN

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W.T.NEWMAN

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GEN

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ADDED ITEMS 8 AND 9 AND FLAGNOTE 2

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BACK TO PARTS LIST AND FIELD OF DWG

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PER ECP PO4-0049 (ECO CO4-0008)

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IMC 08/06/04 JWO/S/ 08/06/04

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REVISED DRAWING ON NEW DWG FORMAT &

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S/CUCULLU/S/

DRAW

ING NAME: C:\Users\CHRIST~1.BRO\AppData\Local\Temp\AcPublish_34060\NDBC-9209.dwg

PLOT DATE: Feb 12, 2026 - 2:18pm

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FILE

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NDBC-9209

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UNIT WT

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CONTRACT NO

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DRAWN BY

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CAGE CODE

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AUTOCAD2000

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DRAWING NO

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SHEET

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REV

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.156 MIN

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.56 THRU

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DOG BOLT ASSY

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SECTION

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.94 REF

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THRU

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(REF)

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NDBC-9208.pdf

Sheets and Views

NDBC-9208-Layout1

NDBC-9209.pdf

Sheets and Views

NDBC-9209-sht1

NDBC-9209-sht2

File details come from the government source that posted it. Updated Apr 22, 2026.