Appendix A Revisions.pdf

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Design-Build Sitka Waterfront Improvements (Sitka, AK)
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70Z05025R43000002
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About this file

These documents are detailed design and engineering plans for the Sitka Moorings project for the US Coast Guard, specifically documenting the construction of waterfront facilities in Sitka, Alaska. The comprehensive set of architectural and engineering drawings covers multiple aspects of the project, including demolition plans, site layouts, electrical systems, utilities, waterfront structural elements, and specific details for an approach pier, new WLB wharf, and associated infrastructure.

Key project components include a 224-foot approach pier, a 225-foot WLB (Seagoing Buoy Tender) wharf, electrical systems with shore power connections, utility infrastructure, and optional elements such as a boat bay maintenance facility and an FRC (Fast Response Cutter) floating dock. The project involves extensive site preparation, including demolition of existing features, grading, utility installations, and construction of new maritime structures. The design accommodates specific operational requirements like crane operations, shore power connections for different vessel types, and complex marine engineering considerations such as tide levels, pier resilience, and utility transitions between land and marine environments.

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Text version

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US COAST GUARD

CIVIL ENGINEERING

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SHEET ID

DEMOLITION NOTES:

1. SEE WS (WATER FRONT) SHEETS FOR WATER FRONT

DEMOLITION.

2. REMOVE ASPHALT PAVEMENT WITHIN AND AROUND NEW

BUILDING FOOTPRINT.

3. REMOVE FENCE.

4. REMOVE LIGHT POLES.

5. REMOVE VEHICLE SLIDING GATE.

6. REMOVE PAVEMENT MARKINGS.

7. REMOVE BUSHES, AND SALVAGE AND REPLANT AS NEEDED

PER USCG MOA REQUIREMENTS.

8. REMOVE AND SALVAGE EXISTING MEMORIAL BENCHES AND

PLANT POTS. COORDINATE WITH PROPERTY OWNER.

9. REMOVE, SALVAGE, AND RELOCATE EXISTING SWINGSET.

COORDINATE WITH PROPERTY OWNER.

10. REMOVE GUARD RAIL.

11. DISMANTLE AND DISCARD THE EXISTING WIND TURBINE AND

ITS FOUNDATION.

12. REMOVE MISCELLANEOUS UTILITY WATER LINES.

13. REMOVE WALKWAY.

14. EXCAVATE SHORELINE FOR ABUTMENT FOUNDATION.

15. REMOVE CONCRETE.

16. REMOVE BOLLARDS.

GENERAL NOTES:

1. REPLACE PAVEMENT IN-KIND WHEN TRENCHING FOR NEW

UTILITIES.

2. EXISTING BACKGROUND PER TOPOGRAPHIC

SURVEY PREPARED BY NORTH 57 LAND SURVEYING LLC ON

11/17/2023.

3. THIS SURVEY DOES NOT GUARANTEE THE EXISTENCE OR

NONEXISTENCE, SIZE, TYPE, DEPTH, MATERIAL, OR

LOCATION OF ANY UNDERGROUND UTILITIES. ALL UTILITIES

SHOWN ARE BASED ON ABOVEGROUND UTILITY

STRUCTURES, AVAILABLE UTILITY MAPS AND SITE PLANS.

THE CONTRACTOR SHALL HAVE ALL EXISTING SITE UTILITIES

VERIFIED PRIOR TO ANY EXCAVATION.

4. ELEVATIONS SHOWN HEREON ARE IN FEET AND REFER TO

NOAA/NOS MEAN LOW WATER DATUM (MLLW=0.00).

ELEVATIONS ARE BASED ON THE NGS PUBLISHED

ELEVATION AT BM#16 OF 20.57FT.

5. HORIZONTAL COORDINATES SHOWN HEREON ARE IN US

SURVEY FEET AND REFER TO THE ALASKA STATE PLANE

COORDINATE SYSTEM, ZONE 1. THE FOLLOWING VALUES OF

THESE SURVEY CONTROL POINTS ARE THE BASIS OF THE

SURVEY. THE BASIS OF BEARINGS IS AS FOLLOWS:

S 31°28'21" E 325.97' (R) 325.98' (M).

6. COORDINATE OFFSITE RELOCATION OF SALVAGED ITEMS

WITH THE NEIGHBORING PROPERTY OWNER, THE STATE OF

ALASKA DEPARTMENT OF EDUCATION.

7. FOR THE BASED BID, PROVIDE DEMOLITION AND CLEARING

OF EXISITNG SITE FEATURES WITHIN THE WATERFRONT

AND LANDSIDE AREAS NECESSARY FOR CONSTRUCT FULLY

OPERATIONAL APPROACH PIER, WLB WHARF, AND FRC

DOCK.

8. THE CONTRACTOR LAYDOWN AREA SHOWN IS

APPROXIMATE. USE OF TRACT C1 AREA MAY BE PHASED IN

A WAY TO ALLOW COMPLETION OF EACH ELEMENT OF THE

SITE.

X

SURVEY CONTROL POINTS:

9D

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CONTRACTOR

LAYDOWN AREA

LEGEND:

AC PAVEMENT DEMOLITION

CONCRETE PAVEMENT DEMOLITION

PROPERTY LINE

EXISTING SITE FEATURES

DEMOLISH SITE FEATURES

BASE BID DEMOLITION

BID OPTION 1 DEMOLITION

BID OPTION 2 DEMOLITION

EXISTING WHARF

AIRPORT ACCESS ROAD

CAMPUS ACCESS ROAD

TRACT C

TRACT B

DOCK ACCESS (P

AVED)

USCG OFFICE

POINT NUMBER NORTHING EASTING ELEVATION DESCRIPTION

8 30202.47 51204.63 - SPIKE

19 29987.81 51363.68 18.93 MAG NAIL

55 29996.17 51145.21 - MAG NAIL

129 30351.71 50915.77 21.2 2 1/2" BRONZE TABLET

400 30448.71 50867.39 - REBAR AND 2" ALUM. CAP

428 30198.51 51014.53 - MAG NAIL

5337 29972.27 51383.74 - MAG NAIL

6002 30375.1 50954.19 - 2 1/2" BRONZE TABLET

6003 30579.54 50940.35 - 3 1/2" ALUM TABLET

6004 30379.12 51023.55 - MAG NAIL

10001 30073.72 51085.95 19.54 2 1/2" BRONZE TABLET

PROPERTY LINEDEMOLITION LIMITS

BID OPTION 1

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C1

224'

APPROXIMATE LIMITS OF

INWATER WORK

SITE NOTES:

1. WATER SHORE TIE PER DETAIL 1 ON SHEET C6.

2. UTILITY STAND PER DETAIL 2 ON SHEET C6.

3. DOCK FLEX CONNECTION PER DETAIL 3 ON SHEET C6.

4. SANITARY SEWER CONNECTION PER DETAIL 4 ON SHEET C6.

5. FIRE HOSE CONNECTION MANIFOLD PER DETAIL 6 ON SHEET

C6.

6. STUB-OUT CONNECTION FOR WATER AND SEWER.

GENERAL NOTES:

1. SEE ELECTRICAL SHEETS FOR ELECTRICAL ITEMS.

2. FOR THE BASE BID, PROVIDE WATERFRONT AND LANDSIDE

INFRASTRUCTURE AND UTILITIES NECESSARY FOR FULLY

OPERATIONAL APPROACH PIER, WLB WHARF, AND FRC

DOCK.

3. SITE LAYOUT SHOWN ON THE TOP PORTION OF THIS SHEET

INCLUDES THE FULL BUILD OUT (BASE BID AND BOTH BID

OPTIONS). PARTIAL SITE LAYOUT SHOWN ON THE BOTTOM

PORTION OF THIS SHEET IS AN EXAMPLE OF WHAT A BASE

BID ONLY SITE WOULD LOOK LIKE.

4. THE CONTRACTOR LAYDOWN AREA SHOWN IS

APPROXIMATE. USE OF TRACT C1 AREA MAY BE PHASED IN

A WAY TO ALLOW COMPLETION OF EACH ELEMENT OF THE

SITE.

X

EXISTING WHARF

AIRPORT ACCESS ROAD

CAMPUS ACCESS ROAD

DOCK ACCESS (P

AVED)

USCG OFFICE

PROPERTY LINE

EXAMPLE OF BASE BID SITE LAYOUT

LEGEND:

AC PAVEMENT

CONCRETE PAVEMENT

GRASSY SWALE

PROPERTY LINE

EXISTING SITE FEATURES

PROPOSED SITE FEATURES

BASE BID

BID OPTION 1

BID OPTION 2

BID OPTION 3

9C

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WLB WHARF

(BASE BID)FRC FLOATING DOCK

(BID OPTION 3)

35'

BOAT BAY

BUILDING

(BID OPTION 1)

S35° 02' 14.06"E

PARKING

(BID OPTION 2)

CONTRACTOR

LAYDOWN AREA

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(BASE BID)

EXISTING FLOATING DOCK WILL REMAIN

IN USE IF BID OPTION 3 IS NOT

AWARDED. IF OPTION 3 IS AWARDED,

THEN THE EXISTING FLOAT WILL REMAIN,

BUT WILL NO LONGER BE IN USE.

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224'

9'

30'

CAMPUS ACCESS ROAD

USCG OFFICE

113.8'

24'

ATON YARD

24'

BOAT BAY BUILDING

(BID OPTION 1)

47'-4"

20'

6'

SITE NOTES:

1. APPROACH PIER, SEE WATERFRONT DRAWINGS.

2. APPROXIMATE PIER ABUTMENT, SEE WATERFRONT

DRAWINGS.

3. BOAT STORAGE AREA.

4. NO PARKING HATCH PAVEMENT MARKING.

5. PARKING STALL.

6. PEDESTRIAN GATE. PROVIDE SUFFICIENT BOLLARD

CLEARANCE AND VERIFY SWING DIRECTION.

7. MANUAL VEHICLE SLIDING GATE.

8. ASPHALT PAVEMENT.

9. SECURITY FENCE.

10. PROPERTY LINE.

11. RELOCATED MEMORIAL BENCH AND PLANT POTS.

12. RELOCATED SWINGSET.

13. EDGE OF PAVEMENT.

14. EXISTING BUILDING TO REMAIN.

15. STORM DRAINAGE LOW IMPACT DEVELOPMENT

GRASSY SWALE. MAY INCLUDE REPLANTED BUSHES

SHOWN ON D1.

16. EXISTING ELECTRICAL TRANSFORMER TO REMAIN.

17. APPROACH PIER ABUTMENT WING WALLS AND

HEAVY DUTY CONCRETE APPROACH SLAB, SEE

DETAIL 5 ON SHEET C6.

18. BOLLARDS.

19. VEHICULAR (HIGHWAY STYLE) GUARDRAIL.

20. PROVIDE A LANDSCAPE BUFFER BETWEEN FENCE

AND EXISTING SIDEWALK.

21. CONCRETE DRIVEWAY.

22. CONCRETE WALKWAY, CURB.

23. 4' MAN GATE TO ACCESS ELECTRIC METER.

24. 16' WIDE DOUBLE SWING GATE.

25. REMOVABLE BOLLARDS.

26. PROVIDE BOLLARDS AROUND UTILITY YARD.

27. PROVIDE ADA PARKING STALL AND SIGNAGE.

28. VAN ACCESSIBLE ADA PARKING STALL.

29. CONCRETE PAVEMENT.

GENERAL NOTES:

1. 58 TOTAL PARKING STALLS.

2. SEE C3 SHEET FOR GRADING ITEMS.

3. SEE C4 SHEET FOR UTILITY ITEMS.

4. SEE ELECTRICAL SHEETS FOR ELECTRICAL ITEMS.

5. COORDINATE OFFSITE RELOCATION OF SALVAGED ITEMS

WITH THE OWNER OF THE NEIGHBORING PROPERTY, THE

STATE OF ALASKA DEPARTMENT OF EDUCATION.

6. FOR THE BASE BID, PROVIDE WATERFRONT AND LANDSIDE

INFRASTRUCTURE NECESSARY FOR FULLY OPERATIONAL

APPROACH PIER, WLB WHARF, AND FRC DOCK, INCLUDING

THE PERIMETER FENCE AROUND TRACT C1.

7. SITE LAYOUT SHOWN INCLUDES BASE BID AND BOTH

OPTIONS.

8. SITE SECURITY FENCE AND GATES ARE A PART OF BID

OPTION 2.

X

5TYP

LEGEND:

AC PAVEMENT

CONCRETE PAVEMENT

GRASSY SWALE

PROPERTY LINE

EXISTING SITE FEATURES

PROPOSED SITE FEATURES

18TYP

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16'

PROPERTY LINE

SITE WORK

BID OPTION 2

SITE WORK

BASE BIDAREA FOR

POTENTIAL FUTURE

DEVELOPMENT

79'

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MOORINGS

C3

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BOAT BAY BUILDING

(BID OPTION 1)

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CAMPUS ACCESS ROAD

USCG OFFICE

FG=18.75

FG=18.75

1.

9%

2.

0%

2.

0%

2.

0%

2.

0%

2.

0%

1.

7%

1.0%

2.0%

1.55%

1.65% 2.5%

1.

5%

GRADING NOTES:

1. SLOPE AT 2% MAX TOWARDS THE SWALE.

2. ADJUST MANHOLE TO NEW GRADE.

3. ADJUST CATCH BASIN TO NEW GRADE.

4. STORM DRAINAGE LOW IMPACT DEVELOPMENT GRASSY

SWALE. MAY INCLUDE REPLANTED BUSHES SHOWN ON D1.

5. 2:1 V-DITCH.

6. CONFORM TO EXISTING GRADES.

7. SEE GEOTECHNICAL REPORT FOR SUBSURFACE SOIL

CONDITIONS, INCLUDING HARD ROCK AND BOULDERS.

8. FOR THE BASE BID, PROVIDE WATERFRONT AND LANDSIDE

GRADING AND STORM DRAINAGE NECESSARY FOR FULLY

OPERATIONAL APPROACH PIER, WLB WHARF, AND FRC DOCK.

9. GRADE DRIVEWAY TO CONFORM TO EXISTING GRADES.

10. GRADE WALKWAYS TO CONFORM TO EXISTING GRADES.

X

4 5

LEGEND:

SURFACE SLOPE

APPROXIMATE GRADING LIMIT

PROPERTY LINE

EXISTING SITE FEATURES

PROPOSED SITE FEATURES

1.00%

PROPERTY LINE

5 C6

BID OPTION 2 BASE BID

6 6

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MOORINGS

C4

ATON YARD

BOAT BAY BUILDING

(UTILITIES FOR BUILDING ARE

PART OF BID OPTION 1)

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CIVIL ENGINEERING

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SHEET ID

CAMPUS ACCESS ROAD

USCG OFFICE

UTILITY NOTES:

1. 4" SANITARY SEWER LINE.

2. SANITARY SEWER MANHOLE.

3. CONNECT TO EXISTING SANITARY SEWER MANHOLE.

4. 4" SANITARY SEWER FORCE MAIN.

5. 6" WATER LINE.

6. 2" WATER LINE.

7. 6" STORM DRAIN PIPES COLLECTION ROOF DRAINAGE.

8. FIRE DEPARTMENT CONNECTION DRY STANDPIPE

PER FIRE PROTECTION REQUIREMENTS.

9. 6" FIRE WATER LINE DRY STANDPIPE SYSTEM.

10. FIRE HYDRANT ON 6" LATERAL WITH VALVE.

11. ADJUST MANHOLE TO NEW GRADE.

12. ADJUST CATCH BASIN TO NEW GRADE.

13. STORM DRAINAGE LOW IMPACT DEVELOPMENT

GRASSY SWALE.

14. 2:1 V-DITCH.

15. CONNECT TO EXISTING 6" WATER LINE. PROVIDE

VALVE.

16. SEWER OIL WATER SEPARATOR.

17. ELECTRICAL STRUCTURE, SEE ELECTRICAL PLANS.

18. 1500 GALLON SEWER OIL WATER SEPARATOR.

19. STORM DRAIN PIPE STUBOUT, IF BASE BID ONLY.

GENERAL NOTES:

1. WATER AND SEWER UTILITIES ARE MOUNTED ON THE SIDE

OF THE PIER.

2. SEE ELECTRICAL SHEETS FOR ELECTRICAL ITEMS.

3. SEE GEOTECHNICAL REPORT FOR SUBSURFACE SOIL

CONDITIONS, INCLUDING HARD ROCK AND BOULDERS.

4. FOR THE BASE BID, PROVIDE WATERFRONT AND LANDSIDE

UTILITIES NECESSARY FOR FULLY OPERATIONAL APPROACH

PIER, WLB WHARF, AND FRC DOCK.

X

2 3

PROPERTY LINE

LEGEND:

SANITARY SEWER

FIRE WATER

FRESH WATER

STORM DRAIN

9C

9C

4.

dw g

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19 (BASE BID)5

9' -0

TOP OF FLOATING DOCK

30"

1 5/8" STAINLESS STEEL CHANNEL

STRUT WITH 316 STAINLESS STEEL

BOLTS AT EACH VERTICAL MEMBER

1 5/8" STAINLESS STEEL CHANNEL

RISER SUPPORT AS NEEDED TO

SUPPORT WATER AND SEWER LINES

ON SAME SUPPORT, TYP

3x3x3/16 SQ TUBE HOT DIP

GALVANIZED STEEL, TYP

TOP OF FLOATING

DOCK

1/2"x6"x8" PLATE

1/2"x4"x8" PLATE PAINTED STEEL PIPE

MOUNTED TO FLOAT AND

PIPE SUPPORTS, TYP

PAINTED STEEL PIPE

MOUNTED TO FLOAT AND

PIPE SUPPORTS, TYP

9' -0

" A N

D V

AR

IE

S

18" MINIMUM WIDTH

TO BE DETERMINED BY MECHANICAL

CONTRACTOR AND DOCK FABRICATOR.

(2'-9"± FOR MID-DOCK SUPPORTS AND

ELECTRICAL SUPPORTS)

NOTE: ALL BOLTS AND HARDWARE

ARE 316 STAINLESS STEEL

GATE VALVE

KAMLOCK

COUPLER ELBOW

W/ CHECK VALVE

FLOAT DOCK

OR WHARF

NOTE:

PROVIDE 8"x8"x25 1/2" TALL HOT DIP

GALVANIZED STEEL "H" BEAM PIPE

SUPPORT BOLTED TO DOCK AT

EACH RISER.+18.75'± MLLW

WHARF DECK

SUPPORT WATER AND SEWER PIPES

TO UNDERSIDE OF WHARF

BOLTED FLANGED CONNECTIONS

AT FLEXIBLE HOSE CONNECTIONS

TO PIPE, TYP.

WATER AND SEWER PIPES

SUPPORTED ON GANGWAY OUTRIGGER

MINIMUM BEND RADIUS SHALL

NOT BE LESS THAN MANUFACTURER'S

RECOMMENDATION

STAINLESS STEEL PIPE RISER

MOUNTED TO UTILITY STAND

UTILITY STAND

STAINLESS STEEL FLANGE

ALLOW ACCESS SPACE FOR

FLANGE BOLTS CONNECTION

TO HDPE PIPE IN DOCK

GANGWAY

FLOAT DOCK

KAMLOCK COUPLER ELBOW

W/ CHECK VALVE

4" RISER

2 1/2" BRASS VALVE AS

APPROVED BY THE FIRE

MARSHAL, TYP.

4"x2 1/2"x2 1/2"" THREADED TWO-WAY

MALE OUTLET DIXON POWHATAN OR

APPROVED EQUAL

DOCK

NOTE:

1. PROVIDE 8"x8"x25 1/2" TALL HOT DIP GALVANIZED

STEEL "H" BEAM PIPE SUPPORT BOLTED TO DOCK

AT EACH RISER.

2. PROVIDE PROTECTIVE RAILING AS REQUIRED BY

FIRE DEPARTMENT.

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UTILITY STAND

DOCK FLEX CONNECTION

FIRE HOSE VALVE CONNECTION DETAIL

SANITARY SEWER CONNECTION

C1 C6

C1 C6

C1 C6

C1 C6

APPROACH PIER ABUTMENT SECTION5

C3 C6

APPROACH PIER ABUTMENT

ELEVATION 18.75

APPROXIMATE EXISTING MUDLINE

MATCH PROPOSED GRADE

APPROACH PIER BENT PER WATER FRONT DRAWINGS

BACKFILL AS NEEDED.

APPROACH PIER CONCRETE SLAB

CAPABLE OF SUPPORTING HS20-44

AND 75-TON MOBILE CRANE LOADING

AC PAVEMENT

CONSTRUCT WING WALLS ADJACENT TO

APPROACH PIER ABUTMENT AS NEEDED

TO SUPPORT SIDE SLOPES, APPROACH

SLAB, AND VEHICLE LOADING

9C

9C

6.

dw g

EXCAVATE AND FILL AS

REQUIRED TO CONSTRUCT

APPROACH PIER

ABUTMENT FOUNDATION

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0 2' 4' 8'

BOAT BAY BUILDING - EAST ELEVATION (WEST ELEVATION SIMILAR)

D2

0 2' 4' 8'

BOAT BAY BUILDING - NORTH ELEVATION (SOUTH ELEVATION SIMILAR)

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SHEET ID

DEMOLITION NOTES

EXISTING LIGHT POLE SHALL BE DEMOLISHED INCLUDING FOUNDATION AND

ABANDONED UNDERGROUND CONDUIT AND WIRE. THE CONTRACTOR SHALL

MAINTAIN EXISTING LIGHTING AS LONG AS POSSIBLE DURING

CONSTRUCTION FOR SECURITY OF THE ACTIVE US COAST GUARD SITE. THE

CONTRACTOR SHALL PROVIDE TEMPORARY LIGHTING AS REQUIRED TO

MAINTAIN SECURITY BASED ON CONSTRUCTION ACTIVITIES.

EXISTING PADMOUNT TRANSFORMER TO BE REMOVED BY THE CITY OF SITKA

ELECTRIC UTILITY ONCE THE NEW ELECTRICAL SYSTEM IS ARE IN PLACE AND

OPERATIONAL.

EXISTING UNDERGROUND PRIMARY CABLING TO BE REMOVED BY THE CITY

OF SITKA ELECTRIC UTILITY ONCE THE NEW ELECTRICAL SYSTEMS ARE IN

PLACE AND OPERATIONAL.

EXISTING UNDERGROUND SECONDARY BETWEEN UTILITY TRANSFORMER

AND SERVICE SWITCHBOARD TO BE REMOVED ONCE NEW ELECTRICAL

SYSTEM IS IN PLACE AND OPERATIONAL.

EXISTING US COAST GUARD

OFFICE BUILDING

EXISTING SITE

UTILITY

TRANSFORMER

SHEET LEGEND

EXISTING LIGHT POLE AND FOUNDATION TO BE DEMOLISHED.

EXISTING LIGHT POLE AND FOUNDATION TO REMAIN.

EXISTING PIER ELECTRICAL

SERVICE SWITCHBOARD

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40' 20' 0 40' 80'

SCALE: 1"=40'-0"

SCALE:

N1 OVERALL ELECTRICAL SITE PLAN - DEMOLITION

1" = 40' - 0"

JM JS

JS JM

FDC

NEW WLB WHARF

EXISTING

APPROACH

EXISTING WHARF

NEW

APPROACH

PIER

EXISTING FLOATING DOCK

NEW SERVICE

TRANSFORMER

EXISTING SITE

UTILITY

TRANSFORMER

EXISTING UTILITY

MANHOLE

PM J

E2

PM

EXISTING US COAST GUARD

OFFICE BUILDING

NEW BUILDING

E4

FLOATING DOCK

ENLARGED PLAN

PM

J

SHEET LEGEND

SHOWER POWER MOUND. SEE SHEET E4 FOR MORE

INFORMATION.

JUNCTION BOX, NEMA 4X, TYPE 316 STAINLESS STEEL

SIZED PER CODE.

TRANSFORMER.T

PM PM PM

ELECTRIC SERVICE SCOPE OF WORK

BY CITY OF SITKA ELECTRIC UTILITY:

- CUTTING, TRENCHING, BACKFILL, SURFACE REPAIR FOR 15KV

BETWEEN PRIMARY METER VAULT AND EXISTING UTILITY

INFRASTRUCTURE

- CONDUIT, CORE DRILLING OF PRIMARY METER VAULT FOR

NEW UTILITY CONDUIT

- 15KV CABLE AD ASSOCIATED APPURTENANCES BETWEEN

PRIMARY METER VAULT AND EXISTING UTILITY PADMOUNT

SWITCH TO THE EAST

BY ELECTRICAL CONTRACTOR:

- 15KV CONDUIT, CABLE AND ASSOCIATED APPURTENANCES

BETWEEN PRIMARY METER DISCONNECT AND NEW

TRANSFORMER

- PADMOUNT TRANSFORMER, PAD, VAULT, AND ASSOCIATED

EARTHWORK

- CONNECTION OF SECONDARY CONDUIT TO TRANSFORMER

VAULT

- SECONDARY CABLE CONNECTION TO SERVICE TRANSFORMER

- SECONDARY CONDUIT AND CABLE FROM TRANSFORMER TO

SERVICE SWITCHBOARD

- SWITCHBOARD SUSE PULL SECTION WITH CTS AND METER IN

AGREEMENT WITH USCG ADVANCED METERING STANDARDS.

CITY OF SITKA ELECTRICAL CONNECTION BY CITY OF SITKA.

PROVIDE NEW PADMOUNT TRANSFORMER. SEE ONE-LINE ON E5 FOR

ADDITIONAL INFORMATION. COORDINATE SIZE AND SITE

REQUIREMENTS WITH THE CITY PER THE CITY OF SITKA STANDARDS.

NEW 480Y/277V SWITCHBOARD WITH CITY OF SITKA CURRENT

TRANSFORMER COMPARTMENT AND METER FED FROM NEW PADMOUNT

SERVICE TRANSFORMER. PROVIDE WITH MAIN BREAKER WITH LSIG

ADJUSTABLE SETTINGS.

THE SWITCHBOARD SHALL BE SIZED TO SERVE THE FOLLOWING LOADS

WITH 25% SPARE CAPACITY AND SPACE:

- EXISTING USCG OFFICE BUILDING

- BOAT BAY BUILDING

- (2) 400A, 450V BUOY TENDER SHORE POWER CONNECTION VIA

ISOLATION TRANSFORMER

- (2) 200A, 450V FRC SHORE POWER CONNECTION VIA ISOLATION

TRANSFORMER

- 200A, 480V FRC SHORE POWER MOUND MAINTENANCE POWER

CONNECTION

- (3) COMBO 30A/50A, 120/240V ATON BOAT SHORE POWER

CONNECTIONS

6" DIA CONCRETE FILLED PIPE BOLLARD WITH 12"X36" CONCRETE

FOUNDATION (TYP OF 6)

300KVA, 480v TO 450v DELTA SHORE POWER ISOLATION TRANSFORMER

PER CSTO ELECTRICAL SHORE TIES STANDARD.

FRC SHORE POWER SWITCHBOARD WITH 400A MAIN BREAKER WITH

SHUNT TRIP BASED ON VOLTAGE MONITOR RELAY. SWITCHBOARD

SHALL INCLUDE A GROUND MONITORING SYSTEM WITH VISUAL AND

AUDIBLE ANNUNCIATION AND LOCAL OVERRIDE PER CSTO ELECTRICAL

SHORE TIE STANDARD.

PROVIDE UNDER PIER FIBERGLASS RESIN REINFORCED CONDUIT

SUITABLE FOR THE LOCATION INSTALLED FOR THE FOLLOWING

SYSTEMS:

- (2) 4"C FRC SHORE POWER

- (1) 4"C FRC MAINTENANCE POWER

- (3) 2"C ATON SHORE POWER CONNECTION

- (2) 4"C BUOY TENDER SHORE POWER

- (1) 2"C FOR SPARE RECEPTACLE

PROVIDE LIGHTING OF PARKING AREA WITH POLE MOUNTED FIXTURES

AROUND THE PERIMETER OF THE AREA INDICATED. POLES POSITIONED

ADJACENT TO FENCING SHOULD BE 3' INSIDE THE FENCE LINE. FIXTURES

SHALL NOT IMPEDE THE FLOW OF TRAFFIC AND MATERIALS

THROUGHOUT THE SITE. POLE HEIGHT SHALL BE LIMITED TO 25FT.

PROVIDE BIRD SPIKES ON ALL FIXTURES.

PROVIDE LIGHTING OF FIXED WHARF AND APPROACH PIER WITH POLE

MOUNTED FIXTURES. THE LUMINAIRE ARMS SHALL NOT EXTEND MORE

THAN 5' INTO THE WHARF OR APPROACH PIER AREAS SO AS TO NOT

INTERFERE WITH CRANE OPERATIONS. PLACE POLES AROUND THE

PERIMETER OF THE WEST, EAST, AND SOUTH EDGES OF THE WHARF.

FIXTURES SHALL NOT IMPEDE MOORING OF BOATS AND SHIPS AND

SHALL NOT INFRINGE ON THE PATHS OF TRAVEL FROM SHORE TO THE

BOATS AND SHIPS. POLE HEIGHT SHALL BE LIMITED TO 30FT. PROVIDE

BIRD SPIKES ON ALL FIXTURES.

500 KVA, 480V TO 480V DELTA SHORE POWER ISOLATION TRANSFORMER

FOR BUOY TENDER PER CSTO ELECTRICAL SHORE TIES STANDARD.

BUOY TENDER SHORE POWER SWITCHBOARD WITH 800A MAIN BREAKER

WITH SHUNT TRIP BASED ON VOLTAGE MONITOR DELAY. SWITCHBOARD

SHALL INCLUDE A GROUND MONITORING SYSTEM WITH VISUAL

ANNUNCIATION AND LOCALOVERRIDE PER CSTO ELECTRICAL SHORE TIE

STANDARD.

BUOY TENDER SHORE POWER MOUND WITH (2) 400A BUOY TENDER

CONNECTIONS AND INTEGRAL COMMUNICATIONS ENCLOSURE FOR

TERMINATION OF COPPER TWISTED PAIR.

PROVIDE 4'x4' ELECTRICAL HANDHOLE ON SHORE.

PROVIDE 2'X5' COMMUNICATIONS HANDHOLE ON SHORE.

AT TRANSITION FROM LAND TO PIER, ROUTE CONDUITS ALONG THE SIDE

OF THE APPROACH PIER TO AVOID HE WAVE BREAK. CONDUITS SHALL

TRANSITION TO THE UNDERSIDE OF THE NEW WLB WHARF FOR ROUTING

TO THE FRC FLOATING DOCK.

CONSTRUCTION NOTES

GENERAL NOTES

1. ALL EXTERIOR HARDWARE SHALL BE STAINLESS STEEL AND

SUITABLE FOR A MARINE ENVIRONMENT. EXTERIOR ENCLOSURES

SHALL BE NEMA 4X, UNLESS SPECIFIED OTHERWISE.

EXISTING 200A, 480V

SERVICE DISCONNECT

EXISTING PIER

SWITCHBOARD

E5

SECONDARY SERVICE

FROM NEW SERVICE

TRANSFORMER TO NEW

SWITCHBOARD

TT

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40' 20' 0 40' 80'

SCALE: 1"=40'-0"

SCALE:

N1 OVERALL ELECTRICAL SITE PLAN - CONSTRUCTION

1" = 40' - 0"

SCALE:

N2 ENLARGED PLAN

1" = 5' - 0"

JM JS

JS JM

CONSTRUCTION NOTES

STRUCTURE AND MOUNTING/ANCHORING SHALL BE DESIGNED BY

THE STRUCTURAL ENGINEER BASED ON THE CABLES TO BE

SUPPORTED AND APPLICABLE FORCES/MOVEMENT ANTICIPATED.

PROVIDE PRIMARY, LOOP FEED, PADMOUNT TRANSFORMER WITH

SWITCHING AND FUSING AS SHOWN. PROVIDE #1/0 BARE COPPER

GROUND LOOP AROUND VAULT OFFSET 24" AND BURIED 18"

BELOW FINISHED GRADE WITH TWO CONNECTIONS TO THE

TRANSFORMER GROUND ON OPPOSITE SIDES OF THE LOOP.

PROVIDE TWO, 5/8"X8'-0" COPPER CLAD STEEL GROUND RODS

DRIVEN TO 12" BELOW FINISHED GRADE AT OPPOSITE CORNERS

OF THE LOOP WITH ONE OF THEM HAVING A TEST WELL. SIZE

EXPULSION (EXP) AND CURRENT LIMITING (CL) FUSES BASED ON

THE MANUFACTURER'S RECOMMENDATIONS FOR THE

TRANSFORMER SELECTED.

PROVIDE #1/0 BARE COPPER GROUND CONNECTION FROM SURGE

ARRESTORS TO GROUND LOOP.

FR

ON

T

8'-0" TALL STAINLESS

STEEL CABLE SUPPORT

FOR STRAIN RELIEF

GANGWAY

POWER CONDUITS WITH BELL ENDS

FLOAT DECK

STAINLESS STEEL

JUNCTION BOX FOR

POWER. COMMUNICATIONS

JUNCTION BOX ADJACENT

PROVIDE STRAIN RELIEF KELLUM GRIPS FOR

ALL POWER AND COMMUNICATIONS CABLES

AND RACEWAYS.

POWER AND COMMUNICATIONS

CONDUITS UNDER WHARF

CONDUIT SUPPORTS (TYP)

WHARF DECK

WHARF CURB

PROVIDE STRUCTURAL

SUPPORT FOR JUNCTION BOX

SUPPORT CONDUITS

AT VERTICAL TRANSITION

COMMUNICATIONS

TRANSITION BOX

PROVIDE ADEQUATE SLACK

IN CABLES TO ENABLE

MAXIMUM FLOAT HORIZONTAL

AND VERTICAL MOVEMENT

INNERDUCT

STRAIN RELIEF

KELLEM GRIPS (TYP)

EXP CL

NEW PADMOUNT TRANSFORMER ON

NEW TRANSFORMER VAULT

12.47KV TO 480Y/277V

M

PADMOUNT PRIMARY METER

WITH DISCONNECT BY UTILITY

PRIMARY METER VAULT BY CITY

OF SITKA ELECTRIC UTILITY

FROM

UTILITY

SYSTEM

(1) 4"C., (3) #2 CU., 15KV, MV105

(1) 4"C., PULL ROPE ONLY

200A, 15KV, LOAD-BREAK

CONNECTION (TYP)

TO SECONDARY

SWITCHBOARD,

SEE E6

NEW SERVICE TRANSFORMER

PROVIDE ELECTRICAL

CONNECTION TO

MOTORIZED GATE

CITY OF SITKA ELECTRICAL

CONNECTION BY CITY OF SITKA

PAD MOUNTED METER

PROVIDED BY CITY OF SITKA

ELECTRIC UTILITY

CONDUIT AND CABLE

BY CONTRACTOR

CONDUIT AND CABLE

BUT CITY OF SITKA

ELECTRIC UTILITY

(2) 4" C., PRIMARY POWER

TO NEW SWITCHGEAR

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SCALE:1 GANGWAY CABLE TRANSITION DIAGRAM EXAMPLE

1/2" = 1' - 0"

SCALE:2 ONE-LINE DIAGRAM - MEDIUM VOLTAGE

DIAGRAMMATIC SCALE:3 ONE-LINE DIAGRAM - MEDIUM VOLTAGE

DIAGRAMMATIC

400A/3P 800A/3P 400A/3P

400A/3P

500KVA

480VΔ -> 450VΔ

800A/3P

300KVA

480VΔ -> 450VΔ

FROM 12KV TRANSFORMER

SECONDARY, SEE DETAIL 2/E5

CONNECTION

FOR NEW BOAT

BAY BUILDING

SERVICE ENTRANCE

SWITCHBOARD WITH GROUPED BREAKERS, 480Y/277V SHORE POWER SWITCHBOARD BREAKERS WITH ADDITIONAL RELAYS AND CONTROLS

50C

50C

50C

MET

50C

50C

50C

MET

SPD SPD

30A/3P 100%

RATED CB

30A, 480V SAFETY

INTERLOCKED MODULE

100A, 480V SAFETY

INTERLOCKED MODULE

POWER WELDING

200A/3P

M

CONSTRUCTION NOTES

PROVIDE USCG METERING FOR MAIN SERVICE

CONNECTED TO USCG METERING SYSTEM. METER

SHALL BE COMPATIBLE WITH USCG MODHOPPED

COMMUNICATIONS PROTOCOL.

BREAKER CONTROL SHALL BE ELECTRONIC AND

PROGRAMMABLE.

PROVIDE GROUND MONITORING SYSTEM PER RFP

REQUIREMENTS.

SIZE CIRCUIT BREAKER AND SWITCHBOARD AS

REQUIRED. COORDINATE SERVICE WITH THE CITY

OF SITKA ELECTRIC UTILITY.

MOUNT RECEPTACLE IN COMMUNICATIONS

ENCLOSURE.

SHORE POWER ISOLATION TRANSFORMER PER

USCG "CSTO ELECTRIC SHORE TIE".

PROVIDE NEMA 3R POWER MOUND ENCLOSURE

WITH (1) 30A NEMA L5-30 RECEPTACLE, (1) 50A

LEVITON 6370CR (NON-NEMA) RECEPTACLE, AND (1)

20A GFCI RECEPTACLE FOR ATON BOAT SHORE

POWER. EACH RECEPTACLE SHALL INCLUDE AN

INDEPENDENT CIRCUIT BREAKER ADJACENT TO

RECEPTACLE TO ENABLE OPERATOR TO TURN OFF

POWER PRIOR TO DISCONNECTING PLUG. ALL

RECEPTACLES SHALL BE TWIST LOCK.

PROVIDE USCG METERING CONNECTED TO USCG

METERING SYSTEM. METERS SHALL BE

COMPATIBLE WITH USCG MODHOPPER

COMMUNICATIONS PROTOCOL.

THE CONTRACTOR SHALL ADJUST THE TRIP

SETTING OF THE MAIN CIRCUIT BREAKER TO 400A

WITH ADJUSTABLE SETTINGS BASED ON THE

CONTRACTOR PROVIDED COORDINATION STUDY.

AL1

D

4"C., (3)#3/0 MCM CU.,

& #6 CU GND

EXISTING USCG

OFFICE BUILDING

2 SETS OF 4"C., (3) 600KCM CU.,

& #1/0 CU. GND IN EACH

2 SETS OF 3"C.,

(3)#3/0 CU., &

#3 CU. GND

FRC SHORE POWER

ENCLOSURE

2 SETS OF 4"C.,

(3)#3/0 CU., &

#3 CU. GND IN EACH

2 SETS OF 4"C.,

(3) 600KCM CU., &

#1/0 CU. GND IN EACH

G G

G 50A/2P CB

10KVA 1Ø

480V-120/240V

TRANSFORMER

50A/2P CB

#8 AWG

#3/0 AWG

200A/3P 100%

RATED CB

200A/3P 100%

RATED CB

#600KCM AWG

400A/3P 100%

RATED CB

400A/3P 100%

RATED CB

GROUND LUG,

TYP.

#1/0 AWG

600KCM AWG

#1/0 AWG

600KCM AWG

400A, CROUSE-HINDS M24368/2

RECEPTACLE FOR SHIPS-SERVICE

POWER SUPPLY

SHIPS-SERVICE POWER SUPPLY

450V, 3-W+GND UNGROUNDED DELTA

SHIPS-SERVICE POWER SUPPLY

450V, 3-W+GND UNGROUNDED DELTA

INDUSTRIAL-SERVICE POWER SUPPLY

480V, 3 W+GND UNGROUNDED DELTA

200A, 100% RATED CIRCUIT BREAKERS, 480V

ESL SAFETY INTERLOCKED MODULE WITH

RUSSELLSTOLL DF2404FR000 RECEPTACLE

(MATES WITH DS2404MP000 MALE PLUG)

#2 AWG

#3/0 AWG

#2 AWG

#3/0 AWG

GROUND LUG, TYP.

30A/2P CB

20A/1P CB, TYP.

100A/3P 100%

RATED CB

#2 AWG

#2 AWG

#10 AWG

NEMA L6-30A

240V 1Ø

RECEPTACLE

20A 120V DUPLEX

RECEPTACLE, GFCI

BUOY TENDER SHORE

POWER ENCLOSURE

480V, 3PH, 4W

COMMUNICATIONS

ENCLOSURE

40W STRIP HEATER WITH 40°

THERMOSTAT AND 1A FUSE

LSIG

#1/0 AWG

#6 AWG

#3 AWG

FRC SHORE POWER BUOY TENDER SHORE POWER

#10 AWG

80A/2P

37.5KVA

1Ø, 480V->120/240V200A/2P

60A/2P

60A/2P

60A/2P

120/240V, 200A

1Ø, PANEL

1"C., (2)#2 CU.,

& #8 CU GND

1-1/2"C., (2)#3/0 CU., & #6 CU GND

PM

PM

PM

30A,W

W,G

2"C., (2)#6 CU., & #10 CU GND

SCALE:1 SHORE POWER ONE-LINE DIAGRAM

DIAGRAMMATIC

50A,W

30A,W

W,G

30A,W

W,G

M M M M M

8 8 8 8 8

M

200A/3P

M

EXISTING PIER

SWITCHBOARD

(2) 3"C., WITH (4)#4/0 CU.,

& #4 CU GND IN EACH

3"C., WITH (4)#3/0 CU.,

& #6 CU GND

200A/3P

400AT/

1200AF/3P

SPARE

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CIVIL ENGINEERING

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9W

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AutoCAD SHX Text

WLB WHARF

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SCALE:

AutoCAD SHX Text

APPROACH PIER - DECK PLAN

AutoCAD SHX Text 1/8" = 1'-0"

AutoCAD SHX Text

NORTH

AutoCAD SHX Text

AutoCAD SHX Text

WS-6

AutoCAD SHX Text

WS-11

AutoCAD SHX Text CRANE OPERATIONS ON APPROACH ARE LIMITED TO MOBILE CRANE IN TRANSIT WITH LOAD. NO OUTRIGGER LOADING.

AutoCAD SHX Text 35'-0"

AutoCAD SHX Text

EXIST. RIPRAP

AutoCAD SHX Text

EXIST. RIPRAP

AutoCAD SHX Text

SLOPE

AutoCAD SHX Text

RESTORE RIPRAP MOVED FOR PILE INSTALLATION

AutoCAD SHX Text

RESTORE RIPRAP MOVED FOR PILE INSTALLATION

AutoCAD SHX Text

PRIOR TO INSTALLING DECK

AutoCAD SHX Text

FDC

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PER CIVIL

AutoCAD SHX Text

SHORELINE

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WARP TO DRAIN

AutoCAD SHX Text

35' WIDE APPROACH PIER

AutoCAD SHX Text

PRECAST OR C.I.P. CONC. PILE CAP BEAMS

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GALV. STL PIPE PILES W/ CONC. FILL

AutoCAD SHX Text

12" HIGH CONC. CURB

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12" HIGH CONC. CURB

AutoCAD SHX Text

WIDEN CAPS FOR BATTER PILES AS NEEDED

AutoCAD SHX Text

EXPANSION JOINT

AutoCAD SHX Text

P.T. TIMBER GUARD RAILING (TYP.)

AutoCAD SHX Text

WLB WHARF SEE SHEET WS-7WS-7

AutoCAD SHX Text

ANGLE APPROACH PIER TO MEET UP WITH PIERHEAD POSITION PER CIVIL DRAWINGS

AutoCAD SHX Text

PRECAST OR COMPOSITE CONCRETE DECK

AutoCAD SHX Text

CONCRETE ABUTMENT

AutoCAD SHX Text

EXPANSION JOINT

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CONCRETE APRON OVER COMPACTED FILL REGION

AutoCAD SHX Text 185'-0"±

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LEGEND

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LR = LIFE RING & STAND FDC = FIRE DEPT. CONN.

AutoCAD SHX Text

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AutoCAD SHX Text

55' MIN.

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225' WLB

AutoCAD SHX Text 35'-0"

AutoCAD SHX Text

250' MIN. TOTAL LENGTH

AutoCAD SHX Text 25'-0"

AutoCAD SHX Text 30'-0"

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APPROACH PIER SEE WS-6WS-6

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(6) MOORING BOLLARDS

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65'-0" MIN.

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CORNER PROTECTION SYSTEM (TYP.)

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MIN. 24" COMPOSITE PLASTIC CAMELS

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COMPOSITE PLASTIC OR FIBERGLASS FENDER PILES

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12" HIGH CONC. CURB (TYP.)

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12" HIGH CONC. CURB (TYP.)

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P.T. TIMBER GUARD RAILING (TYP. 3 SIDES)

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PRECAST OR C.I.P. CONCRETE PILE CAP BEAMS

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GALV. STL PIPE PILES W/ CONC. FILL

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SS

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FW

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SS

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FW

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PM

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PRECAST OR COMPOSITE CONCRETE DECK

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WIDEN CAPS FOR ADD'L BATTER PILES AS REQ'D BY DESIGN (TYP.)

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CONCRETE WHARF EDGE

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CONCRETE WHARF EDGE

AutoCAD SHX Text 25'-0"

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TURN HORNS 45°

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TURN HORNS 45°

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CONTRACTOR TO ANGLE APPROACH TO MEET SHORESIDE PIERHEAD LOCATION PER CIVIL

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LEGEND

AutoCAD SHX Text L = SAFETY LADDER LR = LIFE RING & STAND PM = SHORE POWER MOUND FW = FRESH WATER SS = SANITARY SEWER HVC = FIRE HOSE VALVE CONN.

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LR

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SCALE:

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NEW WHARF - DECK PLAN

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NORTH

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UNLIMITED CRANE OPERATIONS ON WHARF

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HVC

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HVC

WARP TO DRAIN

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BID OPTION 3: SOUTH CORNER PROTECTION

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BID OPTION 3: 3' CLR WIDTH GALV. STEEL CATWALK W/ RAILING

AutoCAD SHX Text BID OPTION 3: 10'x8' MOORING DOLPHIN W/ SAFETY RAILING ON 2 SIDES

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PROVIDE BREAK IN CURB FOR FUTURE OR AWARDED CATWALK

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PROVIDE BREAK IN CURB FOR FUTURE OR AWARDED CATWALK

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BID OPTION 3: GANGWAY TO FRC DOCK

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CONTINUE RAILING IF BID OPTION 3 IS NOT AWARDED

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65'-0" MIN.

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+18.75' MLLW

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DECK ELEV.

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OUTBOARD BERTH

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0.0' MLLW

AutoCAD SHX Text 12x12 CONC. CURB (TYP.)

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PRECAST OR COMPOSITE CONC. DECK (TYP.)

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GALV. STL PIPE PILES W/ CONC. FILL

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PRECAST OR C.I.P. CONC. PILE CAP BEAMS

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COMPOSITE PLASTIC OR FIBERGLASS FENDER PILES

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BATTER PILE (TYP.)

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-30'± MLLW

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-35'± MLLW

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COMPOSITE PLASTIC CAMELS

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U.S.C.G. 225' WLB

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+12.8' MLLW

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HIGHEST ASTRONOMICAL TIDE

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-3.3' MLLW

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LOWEST ASTRONOMICAL TIDE

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WS-7

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WS-10

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MUDLINE VARIES

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MUDLINE VARIES

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CONCRETE DEADMAN

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WARP DECK TO DRAIN

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SCALE:

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WLB WHARF - TRANSVERSE SECTION

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"HARDENED" STEEL HANGING CHAIN

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FOR RESILIENCY PROVIDE PILES @ 8'-6" MAX. SPACING ON EACH BENT

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PROVIDE BREAKS IN CURB FOR DRAINAGE & TO AVOID PONDING (TYP.)

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+18.75' MLLW

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DECK ELEV.

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0.0' MLLW

AutoCAD SHX Text 12x12 CONC. CURB (TYP.)

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PRECAST OR COMPOSITE CONC. DECK (TYP.)

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GALV. STL PIPE PILES W/ CONC. FILL

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PRECAST OR C.I.P. CONC. PILE CAP BEAMS

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+12.8' MLLW

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HIGHEST ASTRONOMICAL TIDE

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-3.3' MLLW

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LOWEST ASTRONOMICAL TIDE

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WS-6

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WS-11

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MUDLINE VARIES

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P.T. TIMBER GUARDRAIL (TYP.)

AutoCAD SHX Text 35'-0"

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SCALE:

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APPROACH PIER - TRANSVERSE SECTION

AutoCAD SHX Text 1/4" = 1'-0"

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PROVIDE BREAKS IN CURB FOR DRAINAGE & TO AVOID PONDING (TYP.)

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FOR RESILIENCY PROVIDE PILES @ 9' MAX. SPACING ON EACH BENT

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WARP DECK TO DRAIN

Sheets and Views
7198749D1-D1
7198749C1-C1
7198749C2-C2
7198749C3-C3
7198749C4-C4
7198749C6-C6
2025-04-18 TranSystems Revised Drawings.pdf
D1 - DEMOLITION PLAN
C1 - OVERALL SITE PLAN
C2 - SITE PLAN
C3 - GRADING PLAN
C4 - UTILITY PLAN
C6 - SITE DETAILS
A2 - EXTERIOR ELEVATIONS
E1 - OVERAL ELEC SITE PLAN - DEMOLITION
E2 - OVERAL ELEC SITE PLAN - CONSTRUCTION
E5 - ELECTRICAL DETAILS
E6 - ELECTRICAL ONE-LINE DIAGRAM - LOW VOLTAGE
WS-6 - NEW APPROACH PIER
WS-7 - NEW WLB WHARF
WS-10 - NEW WLB WHARF - SECTION
WS-11 - APPROACH PIER - SECTION

File details come from the government source that posted it. Updated .