2026-05-15 TCY Tower Updated Drawing YD-187-002_20260515.pdf

YORKTOWN TRAINING CENTER ABOVE

DECK SENSOR UNIT TOWER

ISOMETRIC

FRO

NT

REFERENCE PLANS

4 RESERVED ARRANGEMENT DRAWING YD-TBD

3 RESERVED ELECTRICAL DRAWING YD-TBD

2 MK20 MOD 1 EOSS IEU FDN

TRAINING CENTER YORKTOWN YD-187-003

1 MK110 FOUNDATION ADAPTER YD-187-001

NO. TITLE DRAWING NO.

NOTE: LONGITUDINAL CENTER OF GRAVITY (LCG) - THE REFERENCE POINT IS THE FORWARD

PERPENDICULAR FOR VESSELS 120' AND GREATER. FOR VESSELS AND STANDARD BOATS LESS THAN 120', IDENTIFY THE REFERENCE POINT USED. EDIT OR DELETE THIS NOTE AS CONDITIONS REQUIRE.

WEIGHT CONTOL

WEIGHT

GROUP DESCRIPTION WEIGHT

(LBS)

VCG REF

BL

LCG REF

(SEE

NOTE)

F/A TCG REF

CL P/S

SWBS REMOVALS

ADDITIONS 4552.84 SHEET REVISION STATUS AND SUBTITLE INDEX

7 - ADSU PEDESATAL DETAILS,

6 - STAIR WELDMENT A & D, ADSU PEDESATAL ASSY

5 - TOWER WELDMENT A & D,

4 - TOWER ASSEMBLY AND, LANDING WELDMENT & DIAG BRACE

3 - GRATING INSTALLATION & DET AND, CUSTOM GRATING CLIPS

2 - OVERALL DIMENSIONS, & TOWER FOOTPRINT

1 - TITLE SHEET,

SH REV SHEET SUBTITLE

REVISONS

REV SH ZONE ITEM DESCRIPTION DATE APPVL SIG

& ORG

GENERAL NOTES

THIS DRAWING IS CREATED TO FACILITATE THE FABRICATION OF A NEW TOWER FOR THE 1.

MK20 MOD 1 ELECTRO-OPTICAL SENSOR SYSTEM (EOSS) ABOVE DECK SENSOR UNIT (ADSU)

AT US COAST GUARD TRAINING CENTER IN YORKTOWN VA.

FABRICATION, WELDING AND INSPECTION SHALL BE AS SPECIFIED ON THIS DRAWING AND IN 2.

ACCORDANCE WITH SFLC STD. SPEC 0740 "WELDING AND ALLIED PROCESSES".

ALL BURRS AND SHARP EDGES SHALL BE ROUNDED AND/OR GROUND SMOOTH TO PREVENT 3.

INJURY TO PERSONNEL AND DAMAGE TO EQUIPMENT.

ALL ANGLE BRACING SHALL HAVE CORNERS SNIPED 2" AT 45 .4.

PAINT ALL NEW AND DISTURBED AREAS IN ACCORDANCE WITH COMDTINST M10260.3 "COLOR 5.

AND COATINGS MANUAL".

BONDING AND GROUNDING SHALL BE IN ACCORDANCE WITH ALL LOCAL REGULATIONS.6.

SUBSTITUTION OF A STEEL GRADE OR ALLOY WITH A HIGHER YIELD STRESS IS AUTHORIZED.7.

ALL WELDS TO BE 3/16" DOUBLE FILLET UNLESS OTHERWISE NOTED.8.

CONSOLIDATED MATERIAL LIST

REV PC# 15 UNIT MFR PART NO /

NSN DESCRIPTION MATERIAL

1 1 ASSY MULTIPLE, SEE BELOW TOWER WELDMENT STEEL

4 SF 5/8 PL (25.5#) ASTM A36 STEEL

45'2 1/2 FT L5X3X1/2" ASTM A36 STEEL

40 SF 1/4 PL (10.2#) ASTM A36 STEEL

14' 1/2 FT L3X2X1/4" ASTM A36 STEEL

236'7 9/16 FT L3X3X1/4" ASTM A36 STEEL

41'2 1/2 FT FB 3 X 1/4" ASTM A36 STEEL

119'7 31/32 FT PIPE 1.5 SCH 40 ASTM A36 STEEL

2 1 ASSY - STAIR LANDING WELDMENT STEEL

11'7 1/2 FT L5X3X0.5 ASTM A36 STEEL

2'10 3/4 FT FB 3 X 1/4" ASTM A36 STEEL

22'6 FT PIPE 1.5 SCH 40 ASTM A36 STEEL

1 SF 10.2# PL (1/4" THK) ASTM A36 STEEL

3 1 ASSY - STAIR WELDMENT STEEL

34'2 23/32 FT MC10X6.5 ASTM A36 STEEL

16'7 17/32 FT FB 3 X 1/4" ASTM A36 STEEL

2 SF 10.2# PL (1/4" THK) ASTM A36 STEEL

115'8 1/2 FT PIPE 1.5 SCH 40 ASTM A36 STEEL

1 FT - RB 3/8" DIA STEEL

4 5' 9' FT L3X3X1/4 DIAG STAIR BRACE ASTM A36 STEEL

5 1 ASSY MULTIPLE ADSU PEDESTAL SUB-ASSEMBLY VARIOUS

45 SF PL 1/4" ASTM A36 STEEL

2 SF PLATE, 3/4" ASTM A36 STEEL

5'2 15/16 FT-IN PIPE 2 SCH 40 ASTM A36 STEEL

1 SF PL 1/4" ASTM A36 STEEL

3 SF PL 1/4" ASTM A36 STEEL

1 EA MMC 10195A43 304 SS MOUNT ACCESS PANEL AND FRAME 304 STAINLESS STEEL

1 EA FLAMBEAU P/N's:

070300 & 080282AE

4 QUART MULTI-PURPOSE TANK, NATURAL, THREADED NECK, HDPE,

SLOTTED WITH 2.25 INCH TWIST GRIP MULTI-PURPOSE THREADED CAP,

WASHER SYMBOL/WORDING, NYLON, INTERNAL TETHER, THREAD VENT

PLASTIC

8 EA MMC 92141A029 OR EQ WASHER 1/4-20, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL 4 EA MMC 92314A546 OR EQ HEX HEAD SCREWS, 1/4-20: X 1", 18-8 STAINLESS STEEL, 18-8 STAINLESS STEEL 4 EA MMC 91831A011 OR EQ NYLON-INSERT LOCKNUT, 1/4-20, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL 4 EA MMC 92141A031 OR EQ WASHER, FOR 3/8 BOLT, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL 4 EA MMC 92196A624 OR EQ SOCKET HEAD SCREW, 3/8-16 X 1", 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL 4 EA MMC 91831A127 OR EQ NYLON-INSERT LOCKNUT, 3/8-16, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL

3 EA FLAMBEAU P/N's:

468818 & 066040 FLAMBEAU WASHER PUMP, 24V & PUMP INLET GROMET VARIOUS

5 EA TBD HOSE TBD

6 4 EA MMC 6867T76 OR EQ SERRATED STEEL BAR GRATING, GALVANIZED, 10 FEET LONG, 3 FEET

WIDE, 1" HIGH X 1/8" WIDE BEARING BAR GALVANIZED STEEL

7 1 EA MMC 6867T76 OR EQ SERRATED STEEL BAR GRATING, GALVANIZED, 4 FEET LONG, 3 FEET WIDE, 1" HIGH X 1/8" WIDE BEARING BAR GALVANIZED STEEL

8 2 ASSY - STAIR FOOT (* 1X RIGHT HAND, 1X LEFT HAND) STEEL

1 SF PLATE, 5/8" X 4" X 1'6" ASTM A36 STEEL

1'10 FT L3X2X0.25 ASTM A36 STEEL

9 15 EA MMC 6856T35 OR EQ

STAIR TREAD 10-15/16" X 30" X 1-1/2" BAR GRATING, STANDARD-

DUTY WELDED, STAIR TREAD, GW-100, SERRATED SURFACE, CHECKERED

PLATE 90° ANGLE NOSING

GALVANIZED STEEL

10 1 EA MMC 4073K63 SAFETY GATE, GALVANIZED STEEL, FOR 30" TO 40" OPENING STEEL

11 3 FT MMC 3618T18 OR EQ MEDIUM DUTY CHAIN, 316 STAINLESS STEEL, 1/2 TRADE SIZE 316 STAINLESS STEEL

12 2 EA MMC 8947T29 OR EQ OVAL QUICK LINK, TYPE 316 STAINLESS STEEL, 1/2" THICKNESS, 9/16"

OPENING, NOT FOR LIFTING 316 STAINLESS STEEL

13 136 EA MMC 92141A031 OR EQ WASHER, FOR 3/8 BOLT, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL

14 64 EA MMC 92314A554 OR EQ 18-8 STAINLESS STEEL HEX HEAD SCREWS, 3/8"-16 THREAD SIZE, 1-

1/4" LONG 18-8 STAINLESS STEEL

15 68 EA MMC 91831A127 OR EQ NYLON-INSERT LOCKNUT, 3/8-16, 18-8 STAINLESS STEEL 18-8 STAINLESS STEEL

16 4 EA MMC 92949A630 OR EQ 18-8 Stainless Steel Button Head Hex Drive Screw, 3/8"-16 Thread Size, 1-3/4" Long 18-8 Stainless Steel

17 4 EA MMC 91578A116 STEEL WEDGE ANCHOR FOR CONCRETE, 1/2" DIAMETER, 3-3/4" LONG STEEL

18 18 EA MMC 6268T551 OR EQ C-CLIP FOR GRATING STEEL

19 4 ASSY MULTIPLE CUSTOM CLIP, 5" VARIOUS

1 EA MMC 6268T26 OR EQ SADDLE CLIP STEEL

1 EA MMC 91309A539 OR EQ LOW-STRENGTH ZINC-PLATED STEEL HEX HEAD SCREW 1/4"-20 THREAD

SIZE, 5/8" LONG GALVANIZED STEEL

1 EA MMC 94855A247 OR EQ SQUARE NUT 1/4-20 GALVANIZED STEEL

1 SF - PL 5.1" (1/8" THK) CUSTOM GRATING CLIP, 5" STEEL

20 4 ASSY MULTIPLE CUSTOM CLIP, 3" VARIOUS

1 EA MMC 6268T26 OR EQ SADDLE CLIP STEEL

1 EA MMC 91309A539 OR EQ Low-Strength Zinc-Plated Steel Hex Head Screw 1/4"-20 Thread Size, 5/8" Long GALVANIZED STEEL

1 EA MMC 94855A247 OR EQ SQUARE NUT 1/4-20 GALVANIZED STEEL

1 SF - PL 5.1# (1/8" THK) CUSTOM GRATING CLIP, 3" STEEL

** QUANTITIES OF SUB ASSEMBLY COMPONENTS ARE PER ASSEMBLY.

2/5/26

USCG APPROVAL

UNITED STATES COAST GUARD WASHINGTON, D.C. 20593

OFFICE OF NAVAL ENGINEERING

CAGE CODE

81340

USCG DRAWING NO. REV

SCALE: SHEET: 1 OF

SIZE

D

TRAINING CENTER YORKTOWN

MM/DD/YY

AS NOTED

APPVL SIG /s/

UPDATE REQUIRED FOR ALL AUTHORIZED CONFIGURATION CHANGES.

***SELECTED RECORD DRAWING***

APPVL AUTH

MK20 MOD 1 EOSS ADSU TOWER

YD

CAMH

2/17/26CAMH

YD-MK20-187-002

CMR

MM/DD/YY

JGW MM/DD/YY

DESIGNED:

DRAWN:

APPROVED:

CONTRACTORS FOR ADMINISTRATIVE AND OPERATIONAL PURPOSES; MM/DD/YYYY. OTHER

REQUESTS SHALL BE REFERRED TO COMMANDING OFFICER, USCG SFLC ESD TIMB,

SPECIAL NOTATIONS

CHECKED:

: THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS RESTRICTED WARNING

EXPORT ADMINISTRATION ACT OF 1979, AS AMENDED, TITLE 50, U.S.C. APP 2401 ET.

SEQ. VIOLATIONS OF THESE EXPORT LAWS ARE SUBJECT TO SEVERE CRIMINAL

THIS DRAWING GENERATED IN SOLIDWORKS. SOLIDWORKS PART FILES,

2401 HAWKINS POINT ROAD, MAIL STOP 25/STINFO PROJECT MANAGER, BALTIMORE, MD

DISTRIBUTION STATEMENT D

PENALTIES.

: FOR UNCLASSIFIED, LIMITED DOCUMENTS, DESTROY BY ANY

: DISTRIBUTION AUTHORIZED TO DHS/CG/DOD AND THEIR

21226-5000.

BY THE ARMS EXPORT-CONTROL ACT (TITLE 22, U.S.C. SEC 2751, ET. SEQ.) OR THE

DOCUMENT.

N5591

/s/

/s/

/s/

/s/

STINFO DESIGNATION

FT

DESTRUCTION NOTICE

METHOD THAT WILL PREVENT DISCLOSURE OF CONTENTS OR RECONSTRUCTION OF THE

ASSEMBLY FILE AND DRAWING FILE ARE AVAILABLE.

PROJECT:

A A

B B

C C

D D

TOLERANCES

(UNLESS SPECIFIED OTHERWISE)

FRACTIONAL MACHINING 1/32" (0.8mm)

TOOL DESIGN: 0.002" (0.05mm)

FLAME CUTTING, SHEARING, NIBBLING,

FORMING AND WELDING 0.060" (1.5mm)

DECIMAL MACHINING TOLERANCES:

X. 0.060" (1.5mm) X.X 0.030" (.76mm) X.XX 0.010" (0.25mm) X.XXX 0.005" (0.13mm)

ANGULARITY: 0.5

0"

0"

1 1/2" 4 1/2" 7 1/2"

9"

7'9" 7'10 1/2" 8'1 1/2" 8'4 1/2"

8'6" 8'4 31/32" 8'6 23/32" 8'8 31/32"

11' 25/32" 11'3 1/32" 11'4 25/32"

1/

2" 1/

2" 9" 9' 9"

9'

1/

2" '1

1/

2" '4

1/

2" '6

'1

'3

'1

'5

16'9 31/32"

LEFT

SCALE 1 : 24

ELEVATION 12-C

11'5 1/32"

8'6 1/4"

14'9 7/8"

11'1 5/8"

BB

SECTION 15-A

TOWER MOUNTING LAYOUT

LOOKING DOWN

SECTION A-A

SCALE 1 : 24

13/16" THRU X16

FOR 3/4" MOUNTING

HARDWARE

17/32" THRU X4

FOR 1/2" MOUNTING

HARDWARE

SEE DETAIL

31-A

SEE DETAIL

43-A

SEE DETAIL

26-D

SEE DETAIL

47-A

ELEVATION 15-C

BACK

SCALE 1 : 24

26-A

SEE DETAIL

SEE DETAIL

44-A

10'6 1/2"

16'5 23/32"

AA

INSTALL STAIR

INCLUDED HARDWARE

AS SHOWN WITH

DETAIL 47-A

CHAIN AS SHOWN

ADSU PEDESTAL SEE

SCALE 1 : 24

INSTALL SAFETY GATE

ISOMETRIC 10-A

2X

TOWER WELDMENT

ASSEMBLY SEE

DETAIL 26-A

SIZE USCG DRAWING NO. REV

SCALE:

SHEET:

D

MK20 MOD 1 EOSS ADSU TOWER

& TOWER FOOTPRINT

81340 YD-MK20-187-002

AS NOTED

CAGE CODE

TRAINING CENTER YORKTOWN

OVERALL DIMENSIONS

A A

B B

C C

D D

21 3

SCALE 1 : 2

PIECE 20, 4 REQUIRED

DETAIL 22-B

4SEE DETAIL

23-A

SCALE 1 : 1

SEE DETAIL 23-D FOR DIMENSIONS NOT SHOWN

FLAT PLATE LAYOUT

DETAIL 23-A

D O W N

R 1/

D O

R 1/

5 1/8" 1' 7/16"

SCALE 1 : 1

FLAT PLATE LAYOUT

DETAIL 23-B

D O

R 1/

D O

R 1/

R1/4" 3 1/8"

R1/16"

8 7/16"

1 1/4"

29/32"

19/32" 1/2"

1/4" R1/8"

SEE DETAIL

24-B

SECTION 19-A

SECTION B-B

GRATING INSTALLATION

SCALE 1 : 16

19 1820

19SEE DETAIL

22-B

C

D

1 1/16" X3

2'8 13/32"

3'3 1/2" 2'9 19/32"

3'0"

3'0"

1'4 7/8"

8'6 1/2"

21 3

SCALE 1 : 2

PIECE 21, 4 REQUIRED

DETAIL 24-B

4SEE DETAIL

23-B

SCALE 1 : 8

DETAIL C

DETAIL 20-C

7/8" X2

1'5 13/16"

2'9 1/2"

1 1/16" X2

TRIM GRATING BARS

SCALE 1 : 4

1/4" - 3/8" FROM

NEWEL POSTS TYP

DETAIL 18-C

DETAIL D

TRIM CROSS TIE

TO NEAREST

GRATING BAR TYP

MATERIAL LIST CUSTOM CLIPS

ITEM NO. MFR PART NO / NSN DESCRIPTION QTY.

1 - PL 5.1# (1/8" THK) 8

2 MMC 6268T26 OR EQ SADDLE CLIP 8

3 MMC 91309A539 OR EQ

LOW-STRENGTH ZINC-PLATED

STEEL HEX HEAD SCREW

1/4"-20 THREAD SIZE, 5/8"

LONG

4 MMC 94855A247 OR EQ SQUARE NUT 1/4-20 8

SIZE USCG DRAWING NO. REV

SCALE:

81340

SHEET:

MK20 MOD 1 EOSS ADSU TOWER

CUSTOM GRATING CLIPS

TRAINING CENTER YORKTOWN

YD-MK20-187-002

AS NOTED

CAGE CODE

GRATING INSTALLATION & DET AND

D -

A A

B B

C C

D D

OUTSIDE

OF LEG

OUTSIDE

OF LEG

OUTSIDE

SEE DETAIL 43-A

OF LEG

OF LEG

TOWER WELDMENT

SEE DETAIL 31-A

WELDMENT ASSEMBLY DETAILS

SCALE 1 : 16

PLAN 26-A

STAIR WELDMENT

SEE DETAIL 35-A

PEDESTAL ON TOWER

CENTER ADSU

PEDESTAL

SEE DETAIL 47-A

OUTSIDE

SEE DETAIL 26-D H 4'0"

5'0"

4'0"

5'0"

E

E

FF

GG

DETAIL 26-D

PIECE 4, DIAG BRACE

SCALE 1 : 8

6"

CHAMFER 2" @45

5'9"

ATTACHMENT DETAILS

SCALE 1 : 16

SECTION E-E

PEDESTAL - TOWER

SECTION 28-A

1/4 1-6TYP

STAIR - LANDING

SECTION F-F

4X

8X

SECTION 29-C

ATTACHMENT DETAILS

4X

SCALE 1 : 16

FIELD DRILL

LANDING TO

MATCH STAIR

WELDMENT

7/16" X4

2'0"

2 1/2"

2X

1/4"

CHAMFER

DETAIL 31-A

3X

3X

SCALE 1 : 12

ASSEMBLY & DETAILS

LANDING WELDMENT

2'6 1/2"

2'11 1/4"

1' 1/

2" 3' 7"3' 9"

1/2"

2 1/2"

JJ

SECTION G-G

3/16

SCALE 1 : 16

DIAG BRACE ATTACHMENT

DETAILS

SECTION 28-B

3/16

1 3/4"

DETAIL H

SCALE 1 : 8

DETAIL 29-A

CJP

3/16

45°

45°

CJP

SLOT ANGLE

FB PASSES THROUGH

1X

SCALE 1 : 12

1X

SECTION J-J

1X1X

2 3

1X

2'8 3/4"

2'11 1/4"

3' 1/

4"

1' 1/

2"

2X8

FB PASSES THROUGH

SLOT ANGLE

3X

3'1"

2'11 7/8"

3'3 1/4"

LANDING WELDMENT CUT LIST

ITEM

NO. QTY. DESCRIPTION LENGTH

1 1 L5X3X0.5 2'8 3/4" 2 1 L5X3X0.5 2'11 3/4" 3 1 L5X3X0.5 2'11 1/4"

4 1 FB 3 X 1/4" 2'10 3/4"

5 1 L5X3X0.5 2'11 3/4"

6 3 PIPE 1.5 SCH 40 3'9"

7 2 PIPE 1.5 SCH 40 2'6 1/2"

8 2 PIPE 1.5 SCH 40 3'1"

9 3 10.2# PL (1/4" THK) DIA 1 29/32"

SIZE USCG DRAWING NO. REV

SCALE:

MK20 MOD 1 EOSS ADSU TOWER

TRAINING CENTER YORKTOWN

81340

LANDING WELDMENT & DIAG BRACE

TOWER ASSEMBLY AND

YD-MK20-187-002

AS NOTED

CAGE CODE

D

SHEET:

A A

B B

C C

D D

6 15/32"

5 3/16"

3 19/32"

8 23/32"

11 3/32"

1' 9/16"

7 1/8" 3 11/32"

8 19/32"

6 3/16"

2 15/16"

1'3 1/4"

6 29/32"

9 7/8"

9 31/32"

7 17/32"

8 23/32"

3 29/32"

SECTION 36-A

SECTION AF-AF

SCALE 1 : 16

1 1/2" TYP

9"

13/16" 9"

3"TYP

DETAIL 39-B

DETAIL W

SCALE 1 : 12

1 29/32"

2 9/16"

DETAIL Y

SCALE 1 : 12

DETAIL 40-B

NOTCH JOIST

AROUND

CONNECTION

PLATE 1"

DETAIL 33-A

TOWER WELDMENT

ASSEMBLY & DETAILS

SCALE 1 : 32

NOTCH FB JOIST

AROUND

CONNECTOR PLATE

PICECE #25 X2

1' 4"

'6

1/

2"

4' 1/

4"

FR

O N T

1'4" C-C

TYP

M

M

LL

K

K

2X

SCALE 1 : 32

4X

ELEVATION 37-A

LEFT, RIGHT SIM

SECTION L-L

9X34

31 2X

362X

4X

2X1

2X

2X

4X

4X

5X

218X

2X

5X

2X

4X 5

4X 19

2X

2X 16

4X

W

U

V

Y

2'8" X2 2'10 1/8"

33.3°

1 29/32"

53.1°

AFAF

DETAIL P

SCALE 1 : 12

DETAIL 38-C

ENSURE ANGLES

ARE ALLIGNED.

CENTER CONNECTION

PLATE AS SHWON

2" TYP

HAND

2X

SCALE 1 : 32

TYP

TOP OF PAD

ELEVATION 35-A

FRONT

SECTION K-K

2X

5X

1X

9X

5X

218X

4X

2X

4X

54X

4X

2X

4X

2X

254X

4X

4X

4X

2X

RAIL1/4

N

P R

T

1'10 1/2"

3'7"

27.7°

9"

2'7 1/16" X4

46.9°

5'9"

6"

11'0"

4X

ELEVATION 35-C

BACK

SECTION M-M

SCALE 1 : 32

4X

4X

38 3X

1X

9X

2X

4X

2X

2X

5X

395X

8X 21

4X 24

2X

122X

4X

2X

4X

2'5 3/32"

27.7°

46.9°

DETAIL 37-C

DETAIL N

SCALE 1 : 12

5 7/16"

17/32"

2" TYP

DETAIL 39-A

DETAIL U

SCALE 1 : 12

1 1/4"

3 9/16"

DETAIL 38-D

DETAIL T

SCALE 1 : 12

2" TYP

1"

DETAIL V

SCALE 1 : 12

DETAIL 40-A

ENSURE ANGLES

ARE ALLIGNED.

CENTER CONNECTION

PLATE AS SHWON

DETAIL 37-D

DETAIL R

SCALE 1 : 12

1 3/32"

4 11/32"

SIZE USCG DRAWING NO. REV

SCALE:

MK20 MOD 1 EOSS ADSU TOWER

D

TOWER WELDMENT A & D

SHEET:

YD-MK20-187-002

AS NOTED

CAGE CODE

TRAINING CENTER YORKTOWN

81340 -

A A

B B

C C

D D

3 1

TOWER WELDMENT CUT LIST

ITEM

NO. QTY. DESCRIPTION LENGTH WIDTH

1 2 L5X3X1/2" 8'6 1/2" 2 1 L5X3X1/2" 8' 1/2" 3 2 L5X3X1/2" 10' 1/2"

4 4 5/8 PL (25.5#) 9" 9"

5 4 L3X3X1/4" 11' 6 2 L3X3X1/4" 6'2 25/32" 7 4 L3X3X1/4" 8' 8 4 L3X3X1/4" 10' 9 2 L3X3X1/4" 5'7 7/16" 10 2 L3X3X1/4" 5'7 7/16" 11 2 L3X3X1/4" 6'2 25/32" 12 2 L3X3X1/4" 4'10 5/8" 13 2 L3X3X1/4" 4'10 3/8" 14 2 L3X3X1/4" 10'3 7/16" 15 2 L3X3X1/4" 3'11 31/32" 16 2 L3X3X1/4" 8'6 5/8" 17 2 L3X3X1/4" 4' 5/16"

18 4 1/4 PL (10.2#) 10" 9"

19 4 1/4 PL (10.2#) 1'10" 10"

20 2 1/4 PL (10.2#) 1'3" 10"

21 8 1/4 PL (10.2#) 1' 10"

22 2 1/4 PL (10.2#) 1'4" 10"

23 4 1/4 PL (10.2#) 1'10" 1'1"

24 4 1/4 PL (10.2#) 1'8" 10"

25 4 1/4 PL (10.2#) 1'1" 9"

26 5 FB 3 X 1/4" 2'11 3/4"

27 3 FB 3 X 1/4" 7' 1/4"

28 4 FB 3 X 1/4" 1'3 3/4"

29 2 L3X2X1/4" 7' 1/4"

30 5 PIPE 1.5 SCH 40 3'9"

31 2 PIPE 1.5 SCH 40 8'4 1/4"

32 1 PIPE 1.5 SCH 40 10'4 1/4"

33 1 PIPE 1.5 SCH 40 7'3 1/4"

34 9 PIPE 1.5 SCH 40 3'7"

35 4 PIPE 1.5 SCH 40 2'10 1/8"

36 2 PIPE 1.5 SCH 40 2'8"

37 4 PIPE 1.5 SCH 40 2'7 1/16"

38 3 PIPE 1.5 SCH 40 2'5 3/32"

39 5 1/4 PL (10.2#) 1 29/32" 1 29/32"

CENTER OF VERT LEG

1 23/32"

1 17/32"10 31/32"

17' 29/32"

17'1 11/32"

9"

40°

3'2 11/32"

9 3/32"

8 11/32" TYP

EVENLY SPACED

3"

2 13/16"

3 7/32" X2

DETAIL 43-D

DETAIL AC

SCALE 1 : 8

7 1/2"

2"

FIELD DRILL

4X 7/16"

TO MATCH STAIR FOOT

DETAIL 44-A

SCALE 1 : 8

STAIR FOOT WELDMENT

CHAMFER 2"X2"

1 REQ AS SHOWN,

1 REQ OPPOSITE

1X12 1X

7 1/2"

2 5/8"

3" 2X 1/2"

11"

R1/2"

2 1/4"

2" 4" 10"

1'6"

4"

1 1/4" 2X 17/32"

ELEVATION 47-A

ADSU PEDESTAL ASSEMBLY

7/16"

SEE DETAIL 52-A

PEDESTAL WELDMENT

4X

8X

24 26

1X

4X

TEMPLATE FROM EQUIPMENT

DRILL

SCALE 1 : 8

4X

3X 1X

4X

4X

DRILL 5/16"

TEMPLATE FROM

EQUIPMENT

27 28

1X

23 31

ELEVATION 47-B

ADSU PEDESTAL ASSEMBLY

SCALE 1 : 8

1'2"

1'9"

1" THRU

GRIND EDGES

SMOOTH

1'-8"

5X

RAIL

5X

SCALE 1 : 16

STAIR WELDMENT

ELEVATION 43-A

2X

5 6X

2 1

2X12

7 2X

2X

2X

10X9

1/4

TYP

HAND

AA

AB

AC

3'0" X5

R6 29/32"

2'5 3/8"

1 29/32"

DETAIL 44-D

DETAIL AA

SCALE 1 : 8

5"

TYP

R3"

50°

7" 60X 7/16"

2 1/2"

CENTERED ON PLATE

7/16"

2'0" 4X

2'6"

SCALE 1 : 4

DETAIL AB

DETAIL 43-C

13/16" X2 R1 5/16"

STAIR WELDMENT CUT LIST

ITEM

NO. QTY. DESCRIPTION LENGTH WIDTH

1 1 MC10X6.5 17'1 11/32"

2 1 MC10X6.5 17'1 11/32"

3 1 10.2# PL (1/4" THK) 2'6" 5"

4 2 10.2# PL (1/4" THK) 1 29/32" 1 29/32"

5 6 FB 3 X 1/4" 2'9 1/4"

6 2 PIPE 1.5 SCH 40 17' 29/32"

7 2 PIPE 1.5 SCH 40 2' 21/32"

8 10 PIPE 1.5 SCH 40 3'2 11/32"

9 2 PIPE 1.5 SCH 40 3'11 11/16"

10 5 PIPE 1.5 SCH 40 3'9 1/16"

11 5 PIPE 1.5 SCH 40 3'9 1/16"

12 2 RB 3/8" DIA

STAIR FOOT WELDMENT CUT LIST

ITEM

NO. QTY. DESCRIPTION LENGTH

11 1 PLATE, 5/8" X 4" X 1'6"

12 1 L3X2X0.25 11"

MATERIAL LIST

REV PC# QTY. UNIT MFR PART NO / NSN DESCRIPTION MATERIAL

21 1 MULTIPLE SEE CUT LIST ADSU WELDMENT / SHEETMETAL STEEL

22 1 MMC 10195A43 304 SS MOUNT ACCESS PANEL AND FRAME 304 STAINLESS

STEEL

23 1 FLAMBEAU P/N's: 070300

& 080282AE

4 QUART MULTI-PURPOSE TANK, NATURAL,

THREADED NECK, HDPE, SLOTTED WITH 2.25

INCH TWIST GRIP MULTI-PURPOSE THREADED

CAP, WASHER SYMBOL/WORDING, NYLON,

INTERNAL TETHER, THREAD VENT

PLASTIC

24 8 MMC 92141A029 OR EQ WASHER 1/4-20, 18-8 STAINLESS STEEL 18-8 STAINLESS

STEEL

25 4 MMC 92314A546 OR EQ HEX HEAD SCREWS, 1/4-20: X 1", 18-8

STAINLESS STEEL,

18-8 STAINLESS

STEEL

26 4 MMC 91831A011 OR EQ NYLON-INSERT LOCKNUT, 1/4-20, 18-8

STAINLESS STEEL

18-8 STAINLESS

STEEL

27 4 MMC 92141A031 OR EQ WASHER, FOR 3/8 BOLT, 18-8 STAINLESS

STEEL

18-8 STAINLESS

STEEL

28 4 MMC 92196A624 OR EQ SOCKET HEAD SCREW, 3/8-16 X 1", 18-8

STAINLESS STEEL

18-8 STAINLESS

STEEL

29 4 MMC 91831A127 OR EQ NYLON-INSERT LOCKNUT, 3/8-16, 18-8

STAINLESS STEEL

18-8 STAINLESS

STEEL

30 3 FLAMBEAU P/N's: 468818 & 066040

FLAMBEAU WASHER PUMP, 24V & PUMP INLET

GROMET VARIOUS

31 1 TBD HOSE TBD

81340

SIZE USCG DRAWING NO. REV

SCALE:

D

MK20 MOD 1 EOSS ADSU TOWER

TRAINING CENTER YORKTOWN

ADSU PEDESATAL ASSY

YD-MK20-187-002

AS NOTED

CAGE CODE

STAIR WELDMENT A & D

SHEET:

A A

B B

C C

D D

8"

3 21/32"

7/

2"

22.5° 45°

TYP

1'2 7/8"

1 17/32"10 31/32"

1"

2"

1"

DETAIL 51-D

NOZZLE ASSY CLOSURE

PLATE 4 REQ.

SCALE 1 : 8

TRIM AS

REQUIRED

4 3X

6"

2 3/8"

DETAIL 49-B

WASHER NOZZLE SUPPORT ASSY

SCALE 1 : 8

1X

1'1 15/32"

55°

DETAIL 49-D

ADSU MOUNTING PLATE

SCALE 1 : 8

1' 27/32"

1'2 1/4"

1'3 1/2"

PCD

1/2" X 11/16"

SLOT

8X 17/32"

THRU ALL

DETAIL 51-B

PEDESTAL STIFFENER

PIECE 8, 2 REQUIRED

SCALE 1 : 8

8 2X

1 7/16"

4 3/4" 8"

1 11/16"

3"

1"

3'0"SECTION 56-C

SECTION AD-AD

SCALE 1 : 8

2'8 3/4"

1'4 3/4" 1/4

2X 10

1X 14

1X

3X

1X 11

2' 1/

1 1/2"

UNDERSIDE ONLY

DRILL

7"

81340

SIZE USCG DRAWING NO. REV

SCALE:

D

MK20 MOD 1 EOSS ADSU TOWER

ADSU PEDESATAL DETAILS

TRAINING CENTER YORKTOWN

YD-MK20-187-002

AS NOTED

CAGE CODE

7SHEET:

A A

B B

C C

D D

3 1

ADSU PEDESTAL WELDMENT CUT LIST

ITEM NO. QTY. DESCRIPTION LENGTH WIDTH

1 1 PL 1/4" 8'3 31/32" 3'

2 1 PL 1/4" 2'10 3/4" 2'10 3/4"

3 3 PL 1/4" 2 3/8" 2 3/8"

4 3 PL 1/4" 6 3/4" 6 3/4"

5 1 PL 1/4" 2'9 1/4" 2'9 1/4"

6 1 PLATE, 3/4" 1'3 1/2" 1'3 1/2"

7 1 FB 3 X 1/4" 3'

8 2 FB 3 X 1/4" 3'

9 1 FB 3 X 1/4" 1'4 1/4"

10 2 PIPE 2 SCH 40 4 27/32"

11 1 PIPE 2 SCH 40 1'2 21/32"

12 1 PIPE 2 SCH 40 3 9/16"

13 1 PIPE 2 SCH 40 1 19/32"

14 1 PIPE 2 SCH 40 2'9 13/32"

1X

3/8

INCLUDED WITH

NOZZLES

ADSU

49-D

SEE DETAIL

2X

1X

INSTALL WASHER

1'3 17/32" 1'3 17/32"

DETAIL 53-C

PEDESTAL SIDES

FLAT PLATE LAYOUT

SCALE 1 : 8

D O

R

D O

R

D O

R

D O

R

10"

1'3 3/8"

2'8 9/32" 4' 21/32"

6'9 1/16" 8'1 1/8"

8'3 31/32"

9 3/32"

1'3 3/8"

5'11 13/16"

2 15/16"

7'5 1/4"

3 3/4"

R2" X3

DETAIL 56-C

PEDESTAL SIDES

SCALE 1 : 8

ADAD

1X

56-B

SEE DETAIL 54-B

1X

3X

DETAIL 52-A

WITH PLATES.

SCALE 1 : 8

ADSU PEDESTAL WELDMENT

7 51-B

SEE DETAIL

SIDE

MATCH PEDESTAL

PLATES TO

TRIM TOP OF

SUPPORT ASSY

AND SECURE

1X

LOCATE NOZZLE

1X 98

2X

SEE DETAIL

DETAIL 56-B

PEDESTAL TOP

SEE ADSU

SCALE 1 : 8

MOUNTING

PLATE FOR

HOLE PATTERN

1' 27/32" 1'6 3/4"

2'10 3/4"

R2"

INSTALLATION

REQUIRED FOR

DRILL HOLE AS

DO NOT DRILL

PEDESTAL BASE

IN THIS AREA

DETAIL 54-B

ELECTRICAL

SCALE 1 : 8

2'9 1/4"

1'5 1/4"

R1/4"