W911KB25R0018-0003 Attachment C-101.pdf

PDF 6 MB Posted Apr 21, 2025

Attached to: FLOATING BREAKWATER REPLACEMENT, BAR POINT HARBOR, KETCHIKAN, ALASKA
Solicitation number: W911KB25R0018
Issued by: Department of the Army Corps of Engineers Engineering District Alaska

About this file

Written by GovTribe AI · Apr 21, 2025

This document is a technical drawing (Sheet C-101) for the Floating Breakwater Replacement project at Bar Point Harbor in Ketchikan, Alaska, prepared by the US Army Corps of Engineers Alaska District. The drawing provides detailed site plan and survey information for the new concrete floating breakwater installation, including precise specifications for anchor blocks, chain lengths, and positioning. The plan includes 36 primary anchor blocks (N1-N36) and additional supplemental anchor blocks (N101-N109), with varying bottom elevations ranging from -30.0 to -102.8 feet MLLW (Mean Lower Low Water). Each anchor block is specified with specific dimensions, chain link quantities, and chain sizes, with most blocks using either 1 3/8" or 1 1/2" stud link anchor chains. The drawing also indicates project limits, navigation aids, and a post-construction survey boundary that extends 50 feet beyond the new anchor blocks.

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Other files

File	Type	Posted
W911KB25R0018-0007.pdf	PDF	Apr 30, 2025
W911KB25R0018-0006.pdf	PDF	Apr 24, 2025
W911KB25R0018_KET005_RFP_DRWGS.pdf	PDF	Apr 21, 2025
W911KB25R0018-0002.pdf	PDF	Apr 21, 2025
W911KB25R0018-0004 Attachment Updated Drawings.pdf	PDF	Apr 21, 2025
W911KB25R0018-0004.pdf	PDF	Apr 21, 2025
W911KB25R0018-0003.pdf	PDF	Apr 21, 2025
W911KB25R0018-0004 Attachment Example high res hydro.pdf	PDF	Apr 21, 2025
W911KB25R0018-0001.pdf	PDF	Apr 21, 2025
W911KB25R0018-0005.pdf	PDF	Apr 21, 2025
W911KB25R0018_KET005_RFP_SPECS.pdf	PDF	Apr 21, 2025

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E 3, 8, E 3, 8, E 3, 8, E 3, 8, N 1,289,500

AREA A: SOUTH BASIN

-11

-5

-15

-20

-25

-30

-17

-15

-20

-16

-25

-30

-35

-10

-5

-70

-60

-50

-30 -20

-10

-10 -15

-20 -30 -35

-40

-3

ANCH-16

ANCH-1

ANCH-2

ANCH-3

ANCH-4

ANCH-5

ANCH-6

ANCH-7

ANCH-8

ANCH-9

ANCH-10

ANCH-11

ANCH-12

ANCH-13

ANCH-14

ANCH-15

ANCH-17

ANCH-18

ANCH-19

ANCH-20

ANCH-21

ANCH-22 ANCH-23

ANCH-24

ANCH-25

ANCH-26

ANCH-27

ANCH-28

ANCH-29

ANCH-30

ANCH-31

ANCH-32

ANCH-33

ANCH-34

ANCH-35

ANCH-36

ANCH-37

ANCH-38

ANCH-39

OBST-6

OBJ-3

OBJ-8

OBJ-9

OBJ-10

OBJ-12

OBJ-14

OBJ-16

OBJ-18

OBJ-20

OBJ-21

OBJ-22

OBJ-23

OBJ-24

OBJ-27

OBJ-28

OBJ-34

OBJ-39

OBJ-40

-10

-40

OH/E

O H

/E O

H /E

O H

/E O

H /E

O H

/E O

H /E

BAR-4 1972

BPB-2 1998

JULIE 2024

E 3, 7, E 3, 8, E 3, 8, E 3, 9, N 1,290,000

N 1,290,500

E 3, 7, E 3, 8, E 3, 8, E 3, 9, 22210

22220

22215

N 1,289,500

E 3, 8, E 3, 9, E 3, 8, E 3, 9, -40

-120

-115

-110

-105

-100

-95

-90

-85 -80

-75 -70

-65

-60 -55-50 -45

-40 -35

-30 -25

-20 -15 -10 -5

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

-55

-50

PROJECT LIMITS

TONGASS NARROWS

PL NO 5

HARBOR

PL NO 6

PL NO 4

PL NO 7

PL NO 8

PL NO 9

PL NO 2

PL NO 3

PROJECT LIMITS

959'

12'

48'

60' (TYP SPACING

NEW ANCHOR BLOCKS)

60'

60' (TYP SPA

NEW ANCHOR BLOCKS)

45'OFFSET

N17

29'

N. 1,289,758 E. 3,098,426

NEW

NAVIGATION

AID (NOTE 8)

140'

42' 42'

62' 42'

19°' 19°'

190'

NEW CONCRETE

ANCHOR BLOCK

10'-0" x 10'-0" x 5'-0"

TYP

NEW CONCRETE

ANCHOR BLOCK

7-0" x 7'-0" x 4'-0" TYP, THIS SIDE

NEW CONCRETE ANCHOR BLOCK

15'-0" x 15'-0" x 5'-0" TYP THIS SIDE

A4 C-201

D4C-201

AREA BEHIND

THE MAIN

BREAKWATER

WHERE THE

ATTENUATED

WAVES SHALL

NOT EXCEED

1.00 FT.

MAIN CONCRETE FLOATING BREAKWATER

AREA BEHIND THE MAIN BREAKWATER WHERE THE

ATTENUATED WAVES SHALL NOT EXCEED 1.00 FT.

ST C

O N

STR

TIO

VEY LIM

ITS N

TE 9

ST CO

NSTRUCTIO

SURVEY LIM

ITS NO

TE 9

OJE

S, T

POST CONSTRUCTION

SURVEY LIMITS NOTE 9

N1 N2

N3 N4

N5 N6

N7 N8

N9 N10

N11 N12

N13 N14

N15 N16

N18 N19 N20

N21 N22

N23 N24

N25 N26

N27 N28

N29 N30

N31

N32 N33 N34

N36

N107 N108 N109

N102 N103 N104 N105 N101

N106

C-201

N. 1,290,548 E. 3,097,441

N. 1,290,074 E. 3,098,276

NEW

NAVIGATION AID

(NOTE 8)

NEW NAVIGATION

AID (NOTE 8)

N. 1,289,768 E. 3,098,287

NEW CONCRETE ANCHOR BLOCK

18'-0" x 18'-0" x 5'-6" TYP THIS SIDE

ENTRANCE CONCRETEFLOATING

BREAKWATER

PROJECT LIMITS

GRAPHIC SCALE IN FEET

0 300200100 10050

PL NO 1

K E

-C -1

C-101

C O

N C

B R

MP PC JC

-G -H

H J.

A-

-G

NOTES

1. AS BUILT DRAWINGS MAKE REFERENCE TO AN RCA CABLE. CONTRACTOR SHALL

LOCATE THIS CABLE AND PROTECT IN PLACE.

2. SEE DWG V-101 FOR PROJECT LIMITS DATA INFORMATION.

3. THE DESIGN PRESENTED ON THE DRAWINGS IS BASED ON THE CONCRETE

FLOATING BREAKWATER DIMENSIONS. CHANGES MAY OCCUR IF CONTRACTOR

CONCRETE FLOATING BREAKWATER DIMENSION VARY FOR DRAFT AND FREEBOARD

AND LENGTH. THESE PARAMETERS EFFECT THE CHAIN REACTIONS WHICH MAY

AFFECT CHAIN DESIGN AND ANCHOR BLOCK SIZING.

4. 195 LINKS FOR 15-FATHOM (90-FT) 1 3/8" STUD LINK ANCHOR CHAIN

"ANCHOR MARINE HOUSTON" OR EQUAL.

179 LINKS FOR 15-FATHOM (90-FT) 1 1/2" STUD LINK ANCHOR CHAIN "ANCHOR

MARINE HOUSTON" OR EQUAL.

5. CHAINS SHOULD BE OF THE MATERIAL AND WEIGHT SPECIFIED.

SMALL CHANGES MAY OCCUR IF CONCRETE FLOATING BREAKWATER DRAFT

AND FREEBOARD ARE DIFFERENT FROM THE DRAWING.

6. CHAINS AND ANCHOR ARE POSITIONED PERPENDICULAR TO THE CONCRETE

BREAKWATER'S CENTERLINE, UNLESS SHOWN OTHERWISE.

7. NEW NAVIGATION AID MOUNTING PLATES, BOLTS, AND SUPPORTS TO BE PROVIDED

BY CONTRACTOR TO MATCH EXISTING.

8. IF CHAIN SHOTS ARE JOINED, JOINT LINKS SHALL BE EQUAL OR GREATER

STRENGTH THAN THE JOINED CHAIN.

9. THE POST CONSTRUCTION SURVEY BOUNDARY SHALL EXTEND BEYOND THE NEW

ANCHOR BLOCKS BY 50 FT AS SHOWN.

LEGEND

EXISTING CONCRETE ANCHORS BLOCK

PROPOSED NEW CONCRETE ANCHOR BLOCKS

PROPOSED NEW CONCRETE FLOATING BREAKWATER

NEW MOORING CHAIN

SURVEY CONTROL DATA

STATION NORTHING EASTING MLLW DESCRIPTION

BAR-2 1972 1,289,295.61 3,099,769.18 20.94 3.5 DOMED USACE BC

BAR-4 1972 1,289,552.31 3,098,796.18 20.70 3.5 DOMED USACE BC

BPB-2 1998 1,289,530.10 3,099,011.94 19.20 3.25 DOMED SBC

BPB-3 2001 1,289,759.16 3,099,834.79 22.89 3.25 DOMED SBC

JULIE 2024 1,290,612.66 3,098,709.88 22.08 3.25 DOMED SBC

NEW

ANCHOR

BLOCK ID

ELEV. BOTTOM

OF ANCHOR

(MLLW ELEV.

FT.)

CHAIN

LENGTH

(NUMBER OF

LINKS) SEE

NOTE 4

CHAIN

SIZE

ANCHOR BLOCK

DIMENSIONS

N1 -99.0 561 1 3/8" 15.0' x 15.0' x 5.0' N2 -99.0 561 1 3/8" 15.0' x 15.0' x 5.0' N3 -100.4 563 1 3/8" 15.0' x 15.0' x 5.0' N4 -102.8 566 1 3/8" 15.0' x 15.0' x 5.0' N5 -102.5 566 1 3/8" 15.0' x 15.0' x 5.0' N6 -102.1 565 1 3/8" 15.0' x 15.0' x 5.0' N7 -101.2 564 1 3/8" 15.0' x 15.0' x 5.0' N8 -101.3 564 1 3/8" 15.0' x 15.0' x 5.0' N9 -100.1 563 1 3/8" 15.0' x 15.0' x 5.0'

N10 -99.3 562 1 3/8" 15.0' x 15.0' x 5.0' N11 -98.1 560 1 3/8" 15.0' x 15.0' x 5.0' N12 -96.8 558 1 3/8" 15.0' x 15.0' x 5.0' N13 -95.2 556 1 3/8" 15.0' x 15.0' x 5.0' N14 -93.4 554 1 3/8" 15.0' x 15.0' x 5.0' N15 -90.4 550 1 3/8" 15.0' x 15.0' x 5.0' N16 -87.3 546 1 3/8" 15.0' x 15.0' x 5.0' N17 -83.0 540 1 3/8" 15.0' x 15.0' x 5.0' N18 -55.1 231 1 1/2" 7.0' x 7.0' x 4.0' N19 -55.1 231 1 1/2" 7.0' x 7.0' x 4.0' N20 -53.9 230 1 1/2" 7.0' x 7.0' x 4.0' N21 -61.5 241 1 1/2" 7.0' x 7.0' x 4.0' N22 -60.1 239 1 1/2" 7.0' x 7.0' x 4.0' N23 -61.9 241 1 1/2" 7.0' x 7.0' x 4.0' N24 -61.6 241 1 1/2" 7.0' x 7.0' x 4.0' N25 -61.8 241 1 1/2" 7.0' x 7.0' x 4.0' N26 -61.3 240 1 1/2" 7.0' x 7.0' x 4.0' N27 -61.9 241 1 1/2" 7.0' x 7.0' x 4.0' N28 -60.7 239 1 1/2" 7.0' x 7.0' x 4.0' N29 -59.5 238 1 1/2" 7.0' x 7.0' x 4.0' N30 -58.2 236 1 1/2" 7.0' x 7.0' x 4.0' N31 -55.9 233 1 1/2" 7.0' x 7.0' x 4.0' N32 -52.3 228 1 1/2" 7.0' x 7.0' x 4.0' N33 -48.4 222 1 1/2" 7.0' x 7.0' x 4.0' N34 -45.3 218 1 1/2" 7.0' x 7.0' x 4.0' N35 -75.0 346 1 1/2" 10.0' x 10.0' x 5.0' N36 -45.0 315 1 1/2" 10.0' x 10.0' x 5.0'

N101 -92.0 510 1 1/2" 18.0' x 18.0' x 5.5' N102 -84.0 482 1 1/2" 18.0' x 18.0' x 5.5' N103 -79.0 478 1 1/2" 18.0' x 18.0' x 5.5' N104 -72.0 471 1 1/2" 18.0' x 18.0' x 5.5' N105 -50.0 465 1 1/2" 18.0' x 18.0' x 5.5' N106 -89.0 507 1 1/2" 18.0' x 18.0' x 5.5' N107 -57.0 388 1 3/8" 7.0' x 7.0' x 4.0' N108 -45.0 377 1 3/8" 7.0' x 7.0' x 4.0' N109 -30.0 365 1 3/8" 7.0' x 7.0' x 4.0'

D R

D W

G S

O N

D R

E C

O N

E D

C O

N O

O M

C H

F, B

C H

F, S

O N

U .S

. A R

M Y

R D

H O

E, A

A C

O R

REFERENCE

NUMBER:

SHEET OF

1 2 3 4 5 6 7 8 9 10 11 12

US Army Corps of Engineers ® Alaska District

VERIFY SCALES: BAR IS ONE INCH

ON ORIGINAL DRAWING

0 1"

P O

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C H

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MAURICIO.POSADA

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AM3

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7. NEW NAVIGATION SIGNS TO MATCH EXISTING. REFER TO SPEC SECTION 01 91 41 FOR ADDITIONAL REQUIREMENTS.

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(NOTE 7)

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(NOTE 7)

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REVISED NOTE 7 AND CALLOUTS

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File details come from the government source that posted it. Updated Apr 21, 2025.