About this file

This solicitation is for repairs to the outer breakwater at Hyannis Harbor in Barnstable, Massachusetts. Under the contract, the last 400 feet of the breakwater will be adaptively reconstructed by adding new 5 to 7 ton stones and repurposing existing parapet stones to form a rounded, rubble-mound configuration that ties into repairs made in the 1960s. The remaining approximately 800 feet of the breakwater that was maintained in the 1960s will also be repaired to its existing dimensions by adding similarly sized stones and replacing any that have been displaced. Due to the location of the structure, all work must be performed from marine-based equipment, with no staging or storage of materials allowed near the breakwater. The solicitation was issued by the U.S. Army Corps of Engineers, New England District.

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Text version

(Acting for D. Margolis)

JULY 2021

LP

T

N/A

N/A

SPRAGUE.BRENDAN.R.15036502

Digitally signed by

SPRAGUE.BRENDAN.R.1503650238

Date: 2021.07.20 14:58:15 -04'00' 7/20/2021

07/21/2021

7/22/2021

7/22/2021

PAOLINO.JASON.ANDREW.

1268067597

Digitally signed by

PAOLINO.JASON.ANDREW.1268067597

Date: 2021.07.21 15:10:04 -04'00'

TESSIER.MATTHEW.E.1377

053253

Digitally signed by

TESSIER.MATTHEW.E.1377053253

Date: 2021.07.22 08:56:03 -04'00'

TESSIER.MATTHEW.E.1

377053253

Digitally signed by

TESSIER.MATTHEW.E.1377053253

Date: 2021.07.22 09:03:36 -04'00'

JU

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100'

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HYANNIS HARBOR

LIMIT OF WORK

125' (HARBOR SIDE)

+9

9+

4+

7+

0+

1+

2+

3+

4+

5+

6+

7+

8+

9+

+0

+0

STATE BREAKWATER

FEDERAL BREAKWATER

EXISTING 15.5' ANCHORAGE

CONSTRUCTION LIMITS

APPROX. LOCATION OF

EXISTING TOE OF STRUCTURE

ATLANTIC OCEAN

CONSTRUCTION LIMITS MIN 10' FT

OFFSET FROM ANCHORAGE

LIMIT OF WORK

150' ( OCEAN SIDE)

HORIZONTAL CONTROL LINE

FERRY STRIKE

EELGRASS AREA

MINOR REPAIR AREA

10'

PARAPET STONE 1

PARAPET STONE 2

G-101

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SYMBOL

CONSTRUCTION LIMITS

DESCRIPTION

LEGEND

NEW ARMOR STONE TO BE INSTALLED

GENERAL NOTES:

1. EXISTING CONDITIONS OF THE PROJECT AREA ARE APPROXIMATE AND WERE COMPILED FROM A 2017 TOPOGRAPHIC/BATHYMETRY SURVEY CONDUCTED BY USACE NEW ENGLAND DISTRICT, A 2018 AERIAL SURVEY CONDUCTED BY THE JOINT AIRBORNE LIDAR BATHYMETRY TECHNICAL CENTER OF EXPERTISE (JALBTCX), AND VARIOUS SITE VISITS CONDUCTED BY USACE NEW ENGLAND DISTRICT IN SUMMER 2020 AND 2021.

2. ELEVATIONS SHOWN ARE IN U.S. FEET AND REFERENCE THE PLANE OF MEAN LOWER LOW WATER (MLLW),

3. BREAKWATER ALIGNMENT AND HORIZONTAL POSITIONING ARE IN U.S. FEET AND REFERENCE THE FOLLOWING COORDINATE SYSTEM, NAD83

MASSACHUSETTS STATE PLANE, MAINLAND ZONE.

4. AERIAL PHOTOGRAPH BEING USED IS FROM DIGITALGLOBAL AND WAS TAKEN IN MAY 2019.

5. THE INFORMATION DEPICTED WITHIN THESE PLANS REPRESENT THE RESULTS OF SURVEY MADE ON THE DATES INDICATED, AND CAN ONLY BE

CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT THAT TIME.

6. PRIOR TO THE START OF CONSTRUCTION, THE CONTRACTOR SHALL PERFORM A PRE-CONSTRUCTION SURVEY OF THE ENTIRE FEDERAL BREAKWATER WITHIN THE LIMIT OF WORK, REFER TO SPECIFICATION SECTION 01 11 00 SUMMARY OF WORK FOR FURTHER DETAILS.

7. AFTER THE COMPLETION OF THE PRE-CONSTRUCTION SURVEY, THE CONTRACTOR SHALL MARK OUT WITH PAINT AND NOTIFY THE CONTRACTING OFFICER'S REPRESENTATIVE (COR) IF THERE ARE ANY AREAS OF SIGNIFICANT DAMAGE OUTSIDE THE DESIGNED REPAIR WORK SHOWN ON THESE PLANS. CONTRACTOR SHALL SCHEDULE A SITE WALK WITH THE COR TO REVIEW ALL AREAS OF DAMAGE. IN ADDITION TO, THE CONTRACTOR SHALL NOTIFY THE COR OF ANY INCONSISTENCIES AND/OR CHANGES IN THE EXISTING SITE CONDITIONS SHOWN ON THESE PLANS.

8. HORIZONTAL CONTROL LINES FOR THE REPAIR AREAS SHALL BE ESTABLISHED FROM THE CONTROL LINES SHOWN ON THE SHEET C-101. BASED ON THE PRE-CONSTRUCTION SURVEY RESULTS, AND IF NECESSARY, THE CONTRACTOR SHALL PROPOSE AN ADJUSTED CONTROL LINE WHICH CORRESPONDS WITH THE STRUCTURE'S CENTER OF MASS. THE CONTRACTOR SHALL REQUEST ADJUSTING THE CONTROL LINE IN AN RFI (REQUEST FOR INFORMATION) PRIOR TO MAKING ANY DEVIATION TO THE CONTROL LINES SHOWN ON THE PLAN.

9. PRIOR TO THE START OF REPAIR WORK, THE CONTRACTOR SHALL REVIEW THE PROJECT REPAIR AREAS WITH THE COR TO SHOW ALL OF THE WORK

IDENTIFIED ON THESE PLANS.

10. AS-BUILT SECTIONS ARE REQUIRED WITH EACH PAY REQUEST IN ACCORDANCE WITH SPECIFICATION SECTION 01 71 23 "FIELD ENGINEERING".

11. THE CONTRACTOR SHALL REPORT TONNAGE OF NEW ARMOR STONE INSTALLED ON THE REQUIRED AS-BUILT SECTIONS. AS-BUILT SECTIONS ARE REQUIRED WITH PAY REQUESTS IN ACCORDANCE WITH SPECIFICATION SECTION 01 22 00 AND SECTION 01 71 23.

12. ARMOR STONE INSTALLED IN THE REPAIR AREA SECTIONS MAY VARY IN ELEVATION FROM THE DESIGN GRADE, IN ACCORDANCE WITH SPECIFICATION SECTION 35 31 19. VARIATIONS IN THE FINISHED GRADE WITHIN THE TOLERANCES STATED IN THE SPECIFICATIONS SHALL BE ACCEPTED AS THE

REQUIRED FINISHED CREST ELEVATION.

13. UNLESS OTHERWISE NOTED, ALL EXISTING ARMOR STONES OUTSIDE OF A REPAIR AREA THAT INTERFACE WITH NEW OR RESET ARMOR STONES SHALL BE RE-ADJUSTED, AS NECESSARY, TO PROVIDE FOR MAXIMUM INTERLOCKING BETWEEN THE REPAIRS AND NON-REPAIR AREAS. PLACEMENT OF NEW ARMOR STONE AND THE RE-ADJUSTMENT OF EXISTING STONES SHALL BE IN ACCORDANCE WITH SPECIFICATION 35 31 19.

14. DURING CONSTRUCTION, ALL INCOMPLETE REPAIR AREAS MUST BE SECURED TO PREVENT MATERIAL LOSS AND/OR MATERIAL MIGRATION INTO THE

WATER DURING TIDAL CYCLES.

15. NO ANCHORING OR SPUDDING IN ANY AREAS OF EELGLASS IS PERMITTED.

16. THE MEAN TIDAL RANGE, MEASURED FROM MHW TO MLW IS 3.19 FEET.

LIMIT OF WORK BOUNDARY COORDINATES

POINT NORTHING EASTING

A 2690938.36 985312.72

B 2690495.27 986532.95

C 2690236.78 986439.17

D 2690681.94 985218.94

EXISTING 15.5 FOOT ANCHORAGE

400'0 200'

GENERAL PLAN

SCALE 1" = 200'

GRAPHIC SCALE:

EXISTING ARMOR STONE TO BE EXCAVATED

(SHOWN ON SECTION SHEETS)

HORIZONTAL CONTROL LINE

ALLOCATION OF REPAIR WORK

REPAIR AREA STATION RANGE DESCRIPTION OF WORK

MINOR REPAIR AREA 0+00 TO 0+90

RE-WORK AND RE-SET EXISTING ARMOR STONE TO ALLOW THE

PLACEMENT OF NEW ARMOR STONE AND ALL EXISTING STONE WITHIN

LIMITS OF THE DESIGN TEMPLATE.

SEE SHEET C-305 FOR FURTHER DETAILS.

FERRY STRIKE 4+00 TO 4+60

RE-WORK AND RE-SET EXISTING ARMOR STONE TO ALLOW THE

PLACEMENT OF NEW ARMOR STONE AND ALL EXISTING STONE WITHIN

LIMITS OF THE DESIGN TEMPLATE.

SEE SHEET C-301 FOR FURTHER DETAILS.

PARAPET SECTION 1 7+70 TO 11+00

RE-USE EXISTING ARMOR STONE AND PARAPET STONE TO ALLOW THE

PLACEMENT OF NEW STONE AND EXISTING STONE WITHIN LIMITS OF THE

DESIGN TEMPLATE.

SEC 10+50 O 11+00 TRANSITION SLOPE.

SEE SHEET C-302 AND SHEET C-303 FOR FURTHER DETAILS

PARAPET SECTION 2 11+00 TO 11+20

RE-USE EXISTING ARMOR STONE AND PARAPET STONE TO ALLOW THE

PLACEMENT OF NEW STONE AND EXISTING STONE WITHIN LIMITS OF THE

DESIGN TEMPLATE.

SEE SHEET C-304 FOR FURTHER DETAILS.

BREAKWATER HEAD 11+20 TO 11+92 RE-BUILD BREAKWATER HEAD.

SEE SHEET C-304 FOR FURTHER DETAILS.

LOCATION OF EXISTING TOE OF STRUCTURE

EXISTING PARAPET STONE TO BE REUSED

(SHOWN ON SECTION SHEETS)

EXISTING STONE TO BE REINSTALLED

LIMITS OF EELGRASS

ISSUE FOR CONSTRUCTION

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0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 11+98

REPAIR TOP OF CREST

TO +10.2' MLLW FROM

STATIONS 4+00 TO 4+60

PROPOSED GRADE

EXISTING GRADE

BREAKWATER BEACON

AREA TO CONNECT

TO EXISTING GRADE

REFER TO NOTE 13

ON SHEET G-101

AREA TO CONNECT

TO EXISTING GRADE

MIN LIMIT OF EXISTING ARMOR

STONE TO BE REWORKED

REPAIR TOP OF CREST

TO +10.2' MLLW FROM

STATIONS 7+70 TO 11+40

MIN LIMIT OF EXISTING ARMOR

STONE TO BE REWORKED

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STATION

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REFER TO TYPICAL SECTION

ON SHEET C-305

5.1

-7.8

-6.7

-6.9

-8.6

.9

-10.4

-9.4

-8.2

2.6

-8.0

-8.8

-11.4

-10.9

-10.1

-8.9

6.3

-8.2

-9.0

-10.0

1 9

-11.5

-10.8

-9.8

7.2

-8.2

-9.8

-10.4

-12.1

-11.3

-10.4

7.9

-8.7

-9.5

-10.5

-13.0

-11.9

-10.6

6.5

-6.1

-9.0

-10.1

-10.7

-12.2

-11.0

-6.3

-0.2

-7.8

-9.1

-9.3

-12.6

-11.4

-10.2

9.1

-6.6

-9.5

-8.7

-10.5

-12.2

-10.9

-2.5

-3.4

-8.4

-9.9

-10.5

-12.7

-12.0

-10.6

6.2

-7.4

-9.1

-10.5

-10.9

-12.6

-11.6

2.8

-6.6

-9.0

-10.1

-11.0

-13.5

-12.7

-10.1

4.9

-8.0

-9.9

-10.5

-13.9

-13.3

-12.4

7.2

-7.1

-9.3

-10.3

-10.8

-14.2

-13.2

-8.0

0.4

-8.3

-9.8

-10.8

-14.5

-13.9

-12.8

8.8

-7.8

-9.9

-10.9

-12.0

-14.4

-13.4

-0.5

-1.9

-9.1

-10.5

-12.2

-14.7

-14.0

-12.8

9.3

-8.8

-10.8

-12.0

-13.5

-14.5

-13.8

-2.7

-9.1

-10.5

-12.2

-13.6

-14.9

-14.2

-12.7

-6.2

-10.0

-12.8

-13.6

15.2

-14.1

-13.9

2.1

-9.6

-13.2

-13.8

-15.3

-14.6

-14.4

-11.8

-8.2

-11.0

-15.2

-16.0

-14.4

-14.2

-13.9

5.6

-9.8

-14.2

-16.0

-16.6

-14.8

-14.2

-7.7

-8.0

-16.4

-16.6

-16.1

-15.3

-14.7

-14.2

-14.2

-16.5

-16.9

-17.0

-16.1

-14.8

-14.7

-15.9

-16.7

-16.5

-15.1

-15.3

-16.1

0+

0+

0+

0+

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1+

2+

2+

3+

3+

4+

4+

5+

5+

6+

6+

7+

7+

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9+

9+

+0

+0

+5

+5

+0

+0

+2

9.

+2

9.

+9

8.

+9

8.

EXISTING 15.5' ANCHORAGE

WORK LIMIT CONTROL

DATA ID (TYPICAL)

CONSTRUCTION LIMITS

(SEE SHEET G-101)

APPROXIMATE LOCATION OF

REPAIR AREA TOE OF STRUCTURE

APPROXIMATE LOCATION OF

EXISTING TOE OF TRUCTURE

APPROXIMATE LOCATION OF REPAIR

AREA EXISTING TOE OF STRUCTURE

HORIZONTAL CONTROL LINE; TYP

ALONG BREAKWATER

(SEE NOTE1)

HORIZONTAL CONTROL LINE LOCATION

MARKER; SEE CONTROL LINE COORDINATE

DATA TABLE (TYPICAL)

AREA OF REPAIR/

REPLACEMENT

(GRAY)

LIMITS OF CREST

TOP OF SLOPE

BREAKWATER BEACON

(SEE NOTE 5, THIS SHEET)

SEE NOTE 4

R10.5'

MINOR REPAIR AREA

(APPROX. 100 TONS

OF NEW ARMOR STONE)

111110.0.1

4.9

APPROXIMATE LOCATION OF

REPAIR AREA TOE OF STRUCTURE

-2.7

-9.1

-1122.7

-6.2

13 9

2.1

-9.6

-11.8

-8.2

-13.9

5.6

-9.8

-7.7

-8.0

-1

0 0 0 00 0 0

ESTES

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1" =1

CONTROL LINE & TRANSITION COORDINATE DATA

LOCATION MARKER STATION NORTHING EASTING DESCRIPTION

0+00.00 2690804.17 985294.47 BEGIN CONTROL LINE

11+50.00 2690448.34 986282.35 START TRANSITION SIDE SLOPE

11+00.00 2690431.39 986329.37 END TRANSITION SIDE SLOPE END

11+92.00 2690400.03 986416.46 END CONTROL LINE

WORK LIMIT CONTROL DATA

LOCATION ID STATION NORTHING EASTING DESCRIPTION

4+00.00 2690780.25 985260.85 START OF REPAIR - WORK AREA

4+60.00 2690760.43 985318.38 END OF WORK AREA

7+70.00 2690657.83 985609.74 START OF WORK AREA

11+98.00 2690399.97 986421.78 END OF BREAKWATER REPAIR

0+00.00 2690804.17 985294.47 START OF MINOR REPAIR AREA

90+00.00 2690773.67 985379.14 END OF MINOR REPAIR AREA

NOTES:

1. CONTROL FOR THE BREAKWATER SHALL BE ESTABLISHED FROM THE CONTROL LINE SHOWN ON THE CONTRACT DRAWING. THE CONTROL LINE REPRESENTS THE CENTERLINE OF THE BREAKWATER REPAIR CREST AT THE FINISHED ELEVATION. REPAIR AREA TOE LOCATIONS WILL BE SET FROM ESTABLISHED CONTROL LINE, CREST WIDTH AND REQUIRED SIDE SLOPES. LIMIT OF THE TOE SHOWN ON THE CONTRACT DRAWINGS IS APPROXIMATE ONLY AND SHALL NOT BE USED AS CONSTRUCTION LIMITS.

2. TRANSITION FROM 1.5:1 SIDE SLOPE TO 2:1 SIDE SLOPE BETWEEN STATION 10+50 AND 11+00. REFER TO CONTROL LINE COORDINATE

DATA.

3. REFER TO SHEET G-101 FOR LIMITS OF WORK.

4. TRANSITION TO BREAKWATER HEAD AT STATION 11+20, WITH A RADIUS OF 10.5' CENTERED ON CONTROL LINE COORDINATES (APPROX.

CENTER OF BEACON).

5. BREAKWATER BEACON TO BE REMOVED AND REPLACED BY OTHERS OUTSIDE OF THIS WORK. PROTECT AND MONITOR THE BEACON

CONCRETE BASE DURING CONSTRUCTION. REFER TO SPECIFICATIONS SECTION 01 11 00.

B

A

C

D

SCALE: 1"= 60'

HYANNIS BREAKWATER - PLAN VIEW

HYANNIS BREAKWATER - PROFILE VIEW

60' 120'0

CONSTRUCTION TOLERANCE DETAIL

SCALE: NONEA8

HARBOR SIDE OCEAN SIDE

VARIES

1V

6"

6"

ARMOR STONE

NEAT LINE

CREST ELEV. = +10.2' (MLLW)

C O

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NOTES:

1. REFER TO PARAGRAPH "CONSTRUCTION TOLERANCES" IN SPECIFICATION SECTION 35 31 19

(BREAKWATER REPAIRS).

2. REFER TO SHEETS C-301 TO C-304 FOR SECTIONS.

VARIES

1V

12"

6"

8' WIDE CREST

HOR. SCALE: 1" = 60'

VERT. SCALE: 1"= 10'

GRAPHIC SCALE:

10' 20'0

50' 100'0 1"=50'

1"=10'

BREAKWATER HEAD CENTERED ON

THE BEACON2630421.64 986357.7411+29.60

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STA 4+10

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-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

STA 4+20

-30

-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

STA 4+30

-30

-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

STA 4+40

-30

-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

STA 4+50

-30

-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

STA 4+60

-30

-20

-10

-30

-20

-10

0 10 20 30 40 50 600-10-20-30-40-50-60

RE-SET MATERIAL

NEW ARMOR STONE

(GRAY MATERIAL)

TOP OF CREST ELEV. +10.2'

1.5H:1V 1.5H:1V

OCEANHARBOR HARBOR OCEAN

EL. 0.00 FT

NEAT LINE

ARMOR STONE LOWER CONSTRUCTION

TOLERANCE (SEE NOTE 3)

ARMOR STONE UPPER CONSTRUCTION

TOLERANCE (SEE NOTE 3)

8'

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1"

REPAIR AREA FERRY STRIKE SECTION VIEWS

REPAIR AREA FERRY STRIKE NOTES:

1. RE-WORK AND RE-SET EXISTING ARMOR STONE, AS NECESSARY, TO ALLOW THE PLACEMENT OF NEW ARMOR STONE WITHIN THE DESIGN SLOPE. NEW ARMOR STONE SHALL BLEND SMOOTHLY WITH ADJACENT EXISTING SLOPES OF THE BREAKWATER. THE CONTRACTOR SHALL TAPER THE WIDTH AND HEIGHT OF THE EXISTING SECTIONS OF THE

BREAKWATER IN ORDER TO PROVIDE A SMOOTH TRANSITION.

2. PLACEMENT OF NEW ARMOR STONE AND RE-WORKING STONE SHALL BE INSTALLED TO CONSTRUCT A STABLE, WELL INTERLOCKED SECTION WITH ALL FACES ARMOR STONE IN CONTACT WITH ADJACENT STONES. REFER TO SPECIFICATION SECTION 35 31 19 FOR INTERLOCKED REQUIREMENTS AND THE CONSTRUCTION TOLERANCES.

3. FOR ARMOR STONE CONSTRUCTION TOLERANCES REFER TO DETAIL A8 ON SHEET C-101 AND SPECIFICATIONS.

C1 HORIZ. SCALE: 1"= 20'. VERT. SCALE: 1"=20'

HYANNIS BREAKWATER - REPAIR SECTION VIEWS

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NEW ARMOR STONE

(GRAY MATERIAL)

SEE NOTE 4

EL. 10.2 FT

1.5H:1V 1.5H:1V

EXISTING STONE

(HATCHED AREA)

SEE NOTE 1RE-USE EXISTING

PARAPET STONE

(SEE NOTE 2)

HARBOR OCEAN

EL. -1.30 FT

EXISTING GRADE

SEE NOTE 3

EXISTING

PARAPET STONE

TO BE REMOVED

NEAT LINE

ARMOR STONE UPPER

CONSTRUCTION

TOLERANCE (SEE NOTE6)

ARMOR STONE LOWER

CONSTRUCTION

TOLERANCE

(SEE NOTE 6)

8'

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(DARK GRAY AREA)

(SEE NOTE 3)

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TYPICAL SECTION VIEWTYPICAL SECTION VIEW

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1"

REPAIR AREA PARAPET SECTION 1 NOTES:

1. REMOVE ALL EXISTING STONE (HATCHED AREA) AND STOCKPILE FOR REUSE.

2. REUSE THE EXISTING PARAPET STONE AS SHOWN IN TYPICAL SECTION VIEW. PARAPET STONE SHALL BE USED TO FILL THE TOE AREA OF THE HARBOR SIDE ON THE BREAKWATER BELOW ELEVATION -1.3 FEET. PLACE THE LONG EDGE OF THE PARAPET STONES PARALLEL TO THE EXISTING CONTROL LINE ALONG THE STRUCTURE AND STACK AS SHOWN IN THE TYPICAL SECTION VIEW. PARAPET STONES SHALL BE PLACED IN A CONTINUOUS MANNER FROM THE BEGINNING OF THE REPAIR AREA TO THE START OF THE BREAKWATER HEAD CONSTRUCTION (STA. 7+70 to 11+20) . THE SMALL (1.5' X 2') FACE OF THE PARAPET STONES SHALL BE PLACED ADJACENT TO THE NEXT SET OF STACKED PARAPET STONES ALONG THE

LENGTH OF THE STRUCTURE, WITHIN 1 FOOT OF THE ADJACENT STACK.

3. PLACE THE EXISTING STONE (HATCHED MATERIAL) IN THE DARK GRAY AREAS AS SHOWN ON THE SECTIONS. RE-WORK AND RE-SET EXISTING STONE, AS NECESSARY, TO ALLOW THE

PLACEMENT OF NEW ARMOR STONE WITHIN THE DESIGN SLOPE.

4. INSTALL NEW STONE ONLY IN THE LIGHT GRAY AREAS. NEW ARMOR STONE SHALL BLEND SMOOTHLY WITH ADJACENT EXISTING SLOPES OF THE BREAKWATER. THE CONTRACTOR SHALL TAPER THE WIDTH AND HEIGHT OF THE EXISTING SECTIONS OF THE BREAKWATER IN ORDER TO PROVIDE A SMOOTH TRANSITION.

5. THE EXCESS EXISTING STONE NOT USED ON THE DARK GRAY AREA SHALL BECOME CONTRACTOR'S PROPERTY AND SHALL BE DISPOSED OFF-SITE.

6. FROM STA. 10+50 TO STA 11+00 TRANSITION SIDE SLOPS FROM 1.5:1 TO 2:1 SLOPE.

7. FOR ARMOR STONE CONSTRUCTION TOLERANCES REFER TO DETAIL A8 ON SHEET C-101.

REPAIR AREA PARAPET SECTION 1 SECTION VIEWS

A1 HORIZ. SCALE: 1"= 20'. VERT. SCALE: 1"=20'

HYANNIS BREAKWATER - REPAIR SECTION VIEWS

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REPAIR AREA PARAPET SECTION 1 SECTION VIEWS

A1 HORIZ. SCALE: 1"= 20'. VERT. SCALE: 1"=20'

HYANNIS BREAKWATER - REPAIR SECTION VIEWS

20' 40'0

**REFER TO NOTES ON SHEET C-302.

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SEE NOTE 6

NEW STONE

LIGHT GRAY AREA

SEE NOTE 4

BEACON CONCRETE PAD

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NEW ARMOR STONE

(GRAY MATERIAL)

(SEE NOTE 4)

EL. 10.20 FT

EXISTING STONE

(HATCHED AREA)

(SEE NOTE 1)

EXISTING

PARAPET STONE

TO BE REMOVED

HARBOR OCEAN

EL. -1.30 FT

RE-USE EXISTING STONE

(DARK GRAY AREA)

(SEE NOTE 3)

EXISTING GRADE

2H:1V 2H:1V

SEE NOTE 3

8'

NEAT LINE

ARMOR STONE UPPER

CONSTRUCTION

TOLERANCE (SEE NOTE6)

ARMOR STONE LOWER

CONSTRUCTION

TOLERANCE

(SEE NOTE 6)

RE-USE EXISTING

PARAPET STONE

(SEE NOTE 2)

TYPICAL SECTION VIEW

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B1 HORIZ. SCALE: 1"= 20'. VERT. SCALE: 1"=20'

HYANNIS BREAKWATER - REPAIR SECTION VIEWS

20' 40'0

REPAIR AREA PARAPET SECTION 2 SECTION VIEWS

REPAIR AREA PARAPET SECTION 2 NOTES:

1. REMOVE ALL EXISTING STONE (HATCHED AREA) AND STOCKPILE FOR REUSE.

2. REUSE THE EXISTING PARAPET STONE AS SHOWN IN TYPICAL SECTION VIEW PARAPET STONE SHALL BE USED TO FILL THE TOE AREA OF THE HARBOR SIDE ON THE BREAKWATER BELOW ELEVATION -1.30 FEET. PLACE THE LONG EDGE OF THE PARAPET STONES PARALLEL TO THE EXISTING CONTROL LINE ALONG THE STRUCTURE AND STACK AS SHOWN IN THE TYPICAL SECTION VIEW. PARAPET STONES SHALL BE PLACED IN A CONTINUOUS MANNER FROM THE BEGINNING OF THE REPAIR AREA TO THE START OF THE BREAKWATER HEAD CONSTRUCTION (STA. 7+70 to 11+20) . THE SMALL (1.5' X 2') FACE OF THE PARAPET STONES SHALL BE PLACED ADJACENT TO THE NEXT SET OF STACKED PARAPET STONES ALONG THE

LENGTH OF THE STRUCTURE, WITHIN 1 FOOT OF THE ADJACENT STACK.

3. PLACE THE EXISTING STONE (HATCHED MATERIAL) IN THE DARK GRAY AREAS AS SHOWN ON THE SECTIONS. RE-WORK AND RE-SET EXISTING STONE, AS NECESSARY, TO ALLOW THE PLACEMENT OF NEW ARMOR STONE WITHIN THE DESIGN SLOPE.

4. INSTALL NEW STONE ONLY IN THE LIGHT GRAY AREAS. NEW ARMOR STONE SHALL BLEND SMOOTHLY WITH ADJACENT EXISTING SLOPES OF THE BREAKWATER. THE CONTRACTOR SHALL TAPER THE WIDTH AND HEIGHT OF THE EXISTING SECTIONS

OF THE BREAKWATER IN ORDER TO PROVIDE A SMOOTH TRANSITION.

5. BREAKWATER HEAD STARTS AT STA. 11+20 AND ENDS AT STA. 11+40 WITH A RADIUS OF 10.5' CENTERED ON THE BEACON.

6. FOR THE BREAKWATER HEAD, RE-WORK EXISTING STONE APPROXIMATELY 3-FEET DEEP TO ALLOW THE PLACEMENT OF NEW ARMOR STONE WITHIN THE DESIGN SLOPE.

7. THE EXCESS EXISTING STONE NOT USED IN THE DARK GRAY AREA SHALL BECOME CONTRACTOR'S PROPERTY AND SHALL BE DISPOSED OFF-SITE.

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OCEAN

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8'

1.5H:1V

ARMOR STONE LOWER

CONSTRUCTION TOLERANCE

ARMOR STONE UPPER

CONSTRUCTION TOLERANCE

HARBOR

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D1 HORIZ. SCALE: 1"= 20'. VERT. SCALE: 1"=20'

HYANNIS BREAKWATER - MINOR REPAIR AREA

20' 40'0

MINOR REPAIR AREA SECTION VIEWS

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NOTES

1. REHANDLE EXISTING ARMOR STONE IN ORDER TO INTERLOCK NEW 4-7 TON ARMOR STONE ALONG THE OCEAN SIDE SLOPE AND WITHIN

THE LIMITS SHOWN IN THE TYPICAL SECTION.

2. WALK LENGTH OF STONE RESET AREA ON THE BREAKWATER WITH COR TO DETERMINE THE LOCATION OF MINOR REPAIR AREAS.

AREAS OF MINOR REPAIR ARE LOCALIZED AREAS WHERE ARMOR STONES ARE DISPLACED OR POORLY INTERLOCKED.

3. PRIOR TO REMOVAL OF ARMOR STONE, THE CONTRACTOR SHALL MARK THE TOE OF THE REPAIR AREA.SEE NOTE 4 FOR REPAIR AREA TOE DEFINITION. THE CONTRACTOR SHALL RECEIVE COR CONCURRENCE FOR LIMIT OF CUT. ONCE APPROVED, THE CONTRACTOR SHALL BEGIN STONE REMOVAL.UPON EXCAVATION, IF THE MARKED TOE DOES NOT MEET THE DEFINITION IN NOTE 4, THE CONTRACTOR MUST CONTINUE TO CUT THE SIDE SLOPE UNTIL THE CONDITIONS DEFINED IN NOTE 4 ARE FOUND.

4. IN THESE LOCALIZED AREAS, THE CONTRACTOR SHALL REMOVE THE NECESSARY EXISTING ARMOR STONE ALONG THE CREST AND/OR SIDE SLOPES TO THE TOE OF THE REPAIR LIMIT. THE REPAIR AREA TOE AND ADJACENT AREA OF SLOPE SHALL BE THE LOCATION WHERE THE EXISTING ARMOR STONES ARE NO LONGER DISPLACED OR LOOSE AND THE EXISTING ARMOR STONES PROVIDE A BASE WHERE THE STONES ARE STABLE, WELL INTERLOCKED, AND ALL FACES OF EXISTING ARMOR STONES ARE IN CONTACT WITH

ADJACENT ARMOR STONE.

5. REUSE ALL EXISTING ARMOR STONE IN ACCORDANCE WITH SPEC SECTION 35 31 19, PARAGRAPH 3.5 "REUSE OF EXISTING STONE."

5. CONTRACTOR SHALL RESET ORIGINAL CREST STONES BACK ON THE CREST BY MAINTAINING THE ORIGINAL CREST ELEVATION.

6. THE CONTRACTOR SHALL ADD NEW 4-7 TON ARMOR STONES AS NEEDED. THE AMOUNT OF ARMOR STONE ADDED SHOULD BE SUFFICIENT ENOUGH TO PROVIDE FOR THE REQUIRED FINISHED CREST ELEVATION AND/OR SIDE SLOPES.

7. A MINIMUM THICKNESS OF ONE ARMOR STONE SHALL BE PLACED AT ALL LOCATIONS WITHIN THE REPAIR AREA.

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