W912HN-19-B-5002_AMD2.pdf

PDF 15 MB Posted Apr 2, 2019

Attached to: Hurricane Irma Jones/Oysterbed Revetment Repair
Solicitation number: W912HN19B5002
Issued by: Department of the Army Corps of Engineers Engineering District Savannah

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File	Type	Posted
Bid_Opening_Attendees_and_Abstract.pdf	PDF	Apr 23, 2019
A.07__Site_Visit_8_April_2019.pdf	PDF	Apr 9, 2019
amd2.pdf	PDF	Apr 2, 2019
19B5002.PDF	PDF	Apr 2, 2019
amd1.pdf	PDF	Mar 28, 2019
W912HN-19-B-5002_AMD1.pdf	PDF	Mar 28, 2019
19B5002.PDF	PDF	Mar 28, 2019
19B5002_Site_Visit_Roster_21_March_2019.pdf	PDF	Mar 21, 2019
A.07.15_19B5002_Site_visit_3-12-19.pdf	PDF	Mar 12, 2019
W912HN-19-B-5002.pdf	PDF	Mar 1, 2019
19B5002.PDF	PDF	Mar 1, 2019
A.02.02_-_Synopsis_19B5002.pdf	PDF	Feb 1, 2019
Synopsis_19B5002.pdf	PDF	Jan 17, 2019

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2. ACCESS TO JONES / OYSTERBED ISLAND IS BY WATER ONLY.

GENERAL NOTES:

BE BINDING ON ALL PARTIES CONCERNED.

OPERATIONAL PROCEDURES. DETERMINATIONS MADE BY THE CONTRACTING OFFICER SHALL

ATTENTION OF THE CONTRACTING OFFICER, WHO WILL THEN MAKE A DETERMINATION FOR

DISPUTES OR DISAGREEMENTS THAT ARISE FROM AREA USE SHALL BE BROUGHT TO THE

THE OTHER CONTRACTORS AS NEEDED TO ENSURE THE ORDERLY PROGRESS OF EACH. ANY

JONES/OYSTEBED ISLAND DISPOSAL AREAS. THE CONTRACTOR SHALL COORDINATE WORK WITH

5. OTHER CONTRACTORS WILL BE PERFORMING WORK IN THE 12A TO 14B AND

THE TIME OF CONSTRUCTION. SUCH QUANTITIES ARE ESTIMATED IN THE AB BID ITEM.

TAKEN, THE TIME THAT PRE-CONSTRUCTION CROSS SECTIONS WERE TAKEN, AND THROUGH

SETTLEMENTS WHICH MIGHT OCCUR BETWEEN THE TIME THE DESIGN CROSS SECTIONS WERE

DISTORTION, ETC., OR VARIATIONS IN THE EXISTING CROSS SECTIONS DUE TO

QUANTITY THAT MAY RESULT FROM SETTLEMENT, CONSOLIDATION, SHRINKAGE, ELASTIC

OF THE PROPOSED REPAIR. THE (AA) NEAT VOLUME DOES NOT INCLUDE ANY ADDITIONAL

'ROCK REVETMENT' IS THE NEAT OR TEMPLATE VOLUME REQUIRED FOR THE CONSTRUCTION

6. THE QUANTITY SHOWN ON THE PLANS AND SPECIFICATIONS (AA BID QUANTITY) FOR

BY THE CROSS SECTIONS OF THE REVETMENT.

OF TONS OF MATERIAL ACTUALLY REQUIRED TO OBTAIN THE PAY SECTION AS SHOWN

7. THE CONTRACTOR SHALL BE RESPONSIBLE TO MAKE HIS OWN ESTIMATE OF THE NUMBER

912-656-9500.

COORDINATED THROUGH BURT MOORE OP-NN CHIEF, DREDGING SECTION 912-652-6086 OR

PROJECT SITE PRIOR TO BIDDING. SITE VISITS TO THE WORK SITES WILL BE

1. IT IS HIGHLY RECOMMENDED THAT CONTRACTORS BIDDING ON THIS WORK VISIT THE

CHANNEL AND AIWW TRAFFIC AT TIMES CAUSES CONTENTIOUS WAVE ACTION.

13. WORK IS PERFORMED IN A TIDAL ZONE. SHIP TRAFFIC IN THE SAVANNAH HARBOR

OFF OF THE REQUIRED ALIGNMENT WILL NOT BE PAID FOR.

INCLUDING MATERIAL PLACED WITHIN ACCEPTABLE TOLERANCES, AND/OR MATERIALS PLACED

LINEAR FOOT. MATERIALS WHICH ARE PLACED OUTSIDE OF THE DESIGN TEMPLATE,

8. PAYMENT FOR ROCK REVETMENT REPAIR WILL BE BASED ON TONS OF ROCK PLACED PER

DA 14A.

4. THE CONTRACTOR SHALL USE THE BACK DIKE LOWER ROAD FROM THE ENTRANCE GATE TO

PERSON OR PERSONS NOT ADHERING TO THE GATE REQUIREMENTS IN THE CONTRACT.

CONTRACTING OFFICER RESERVES THE RIGHT TO SUSPEND OR PERMANENTLY REMOVE ANY

REQUIRED TO BE OPENED FOR THE IMMEDIATE PASSAGE OF MANPOWER OR EQUIPMENT. THE

ACCESS GATE TO THE DISPOSAL AREAS REMAINS LOCKED AT ALL TIMES EXCEPT WHEN

AND WILL BE ON JONES OYSTERBED ISLAND. THE CONTRACTOR SHALL ENSURE THAT THE

DURING THIS PROJECT. THE ROCK STOCKPILE AREA WILL BE COORDINATED WITH THE COR

STAGING AREA IS NOT AVAILABLE FOR ROCK OR EQUIPMENT STOCKPILING OR STORAGE

RAMP/ACCESS AT THE OLD TIDE GATE AREA TO LOAD AND UNLOAD EQUIPMENT. THE 12A

AT FIELDS CUT. THE CONTRACTOR WILL NOT BE ALLOWED TO USE THE NEWLY CONSTRUCTED

17 TO THE DREDGE MATERIAL CONTAINMENT AREAS 12A THROUGH 14B, AND THE BOAT RAMP

3. THE CONTRACTOR WILL BE ALLOWED ACCESS THROUGH THE ENTRANCE GATE OFF HIGHWAY

INVOLVED.

BE COORDINATED BY THE GOVERNMENT IN ORDER TO ACCOMODATE BOTH CONTRACTORS

OCCURRING DURING THIS CONTRACT. THE LOCATION OF DREDGED MATERIAL DISPOSAL WILL

INTERIOR AND DIFFERING CONTOURS DUE TO SEDIMENT ACCUMULATION, AND/OR 2) IS

CONTRACT AWARD CAUSING PONDED WATER IN THE LOWER ELEVATIONS OF THE DMCA

INTO JONES/OYSTERBED ISLAND DMCA MAY: 1) HAVE RECENTLY OCCURRED JUST PRIOR TO

OPERATIONS WILL BE ON-GOING DURING THIS CONTRACT. DREDGED MATERIAL DISPOSAL

12. THE CONTRACTOR SHALL BE AWARE THAT SAVANNAH RIVER CHANNEL DREDGING

11. ELEVATIONS SHOWN ARE MEAN LOWER LOW WATER (MLLW), EPOCH 1983-2001.

(TO INCLUDE REMOVAL OF EXISTING DOCK)

OPTION 2: FLOATING DOCK CONSTRUCTION WITH ATONS

DIKE REALIGNMENT, AND DIKE ACCESS RAMP CONSTRUCTION

(NOT INCLUDING STATIONS 166+00 TO 167+50),

OPTION 1: AREA 6 REVETMENT REPAIR STA 156+40 TO 175+90,

WITH ATONS AND REMOVAL OF EXISTING DOLPHINS)

STA 166+00 TO STATION 167+50 INCLUDING DOLPHIN PILINGS

(TO INCLUDE CONSTRUCTION OF BARGE RAMP FROM

BASE BID: AREA 2 REVETMENT REPAIR STA 14+90 TO 59+23

10. CONTRACT WORK IS AS FOLLOWS:

SEGMENT.

AND CROSS SECTION REQUIREMENTS BEFORE EXCAVATION PROCEEDS TO THE NEXT ADJACENT

OPERATIONS. EACH ROCK SEGMENT SHALL BE COMPLETE IN ACCORDANCE WITH TEMPLATE

LONGER THAN 5 DAYS PRIOR TO COMMENCING STONE CONSTRUCTION AND BACKFILL

SHALL BEGIN IMMEDIATELY AFTER EXCAVATION. NO EXCAVATION SHALL REMAIN OPEN

OPERATIONS TO TEMPLATE DIMENSIONS AND SUBGRADE ELEVATIONS. STONE CONSTRUCTION

SHALL BE COMPLETED IN INCREMENTAL 100-FOOT OR SHORTER SEGMENTS IN SINGULAR

ALIGNMENT. EXCAVATIONS FOR STONE PLACEMENT, STONE CONSTRUCTION, AND BACKFILL

ORDER WITHOUT SKIPPING ANY STATION OR RANGE OF STATIONS TO THE END OF THE

9. STONE CONSTRUCTION SHALL BEGIN AT THE START OF AN ALIGNMENT AND PROCEED IN

GI002

NEW DMCA 14B INTERIOR SWALE

APPROXIMATE EXTENT OF

GC102

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Y - 766500

3 DIKE WEIRS

NEW DMCA 14A/14B CROSS

DISPOSAL AREA 14B

0+000+00

0 2

0 50

75+00

80+00

85+00

90+00

0+0

5+0

0+0

5+0

0+0

5+0

0+0

JONES/OYSTERBED

0+0

0 2

WEIR JOI-3

WEIR JOI-4

-2

-101

DISPOSAL AREA 13-B

0 18

FINGER DIKE

0+0

5+0

0+0

10+20

ISLAND DISPOSAL AREA

DISPOSAL AREA 14-A

WEIR JOI-2

WEIR JOI-5

BASE BID

AREA 2

OPTION

REMOVE EXISTING DOCK

OPTION

CONCRETE FLOATING DOCK

FIXED DOCK AND

VESSEL BARGE RAMP - BASE BID

AREA 6 - OPTION

10+

10+00

9+60

9+80

10+80

5+0

0+0

5+0

0+0

5+0

0+0

135+00

5+0

15+20

15+00

14+80

14+60

11+00

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11+20

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12+80

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12+40

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12+00

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CONTAINMENT DIKE

BIRD ISLAND AND

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173+00

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1+0

+00

0 1

0 1 0 1

N 757,155.64

E 1,030,870.99

MARSH

N 756,068.75

E 1,031,201.83

PROTECTION STATIONING/ALIGNMENT.

4. DIKE STATIONING/ALIGNMENT DIFFERS FROM STONE SHORELINE

FENCE FOR STONE WORK IS NOT SHOWN.

OFFICER'S REPRESENTATIVE, AND ONLY IN NON-TIDAL ZONE AREAS. SILT

AROUND EXCAVATION WORK, OR AS DIRECTED BY THE CONTRACTING

3. SILT FENCING FOR STONE WORK SHALL BE PLACED AS NEEDED

STONE SHORELINE PROTECTION.

2. SECTION A - A ON SHEET CN301 SHOWS A TYPICAL SECTION OF THE

THROUGH CN312.

1. FOR SHORELINE PROTECTION CROSS SECTIONS, SEE PLATES CN304

NOTES:

25 2

EXISTING ROCK PROTECTION

START REVETMENT/END OF

GRAPHIC SCALE

50' 50' 100'

STONE ALIGNMENT

LEGEND:

NEW DIKE ALIGNMENT

MARSH GRASS

STONE SHORELINE PROTECTION

NEW SHORELINE PROTECTION

DIKE ACCESS RAMP LOCATION

NEW BARGE RAMP AND

STATION 167+50

BARGE RAMP TRANSITION LIMITS

BARGE RAMP TRANSITION LIMITS/STATION 166+00

7+0

M I

N A

PROTECTION ALIGNMENT

STONE SHORELINE

AWARDED

NEW FLOATING DOCK IS

OPTION TO CONSTRUCT

AND WALKWAY IF

INCLUDING PILES

DOCK STRUCTURE

REMOVE EXISTING

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-10

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-60

3.5'

16.25'

TERMINATION OF SHORELINE PROTECTION

SECTION C - C

SHORELINE PROTECTION TYPICAL SECTION AT END OF ALIGNMENT

SECTION B - B

EXISTING GRADE

EL. -5.75

EL. 3.75

EL. 6

EL. -0.5

APPROX. 1.4:1

EXCAVATION LINE

18" INTERMEDIATE STONE

9" BEDDING STONE

EXCAVATED MATERIAL

BACKFILL WITH

TIDAL ZONE

FILTER STONE

BACKFILL WITH

SURROUNDING ELEVATION

GRADE TO MATCH

EXCAVATED MATERIAL

BACKFILL WITH

9" BEDDING STONE

ARMOR STONE

THE CONTRACT CLAUSES.

THE RIVER ENVIRONMENT ARE CONSIDERED NORMAL AND WILL NOT CONSTITUTE A CHANGED CONDITION UNDER

SHALL BE EXPECTED TO VARY FROM THE ELEVATIONS INDICATED FROM THIS SURVEY. DAILY CHANGES DUE TO

SHORELINE AND IS AN ACTIVE AND DYNAMIC RIVER ENVIRONMENT. SURFACE ELEVATIONS WITHIN THE TIDAL ZONE

5. THE CONTRACTOR SHALL RECOGNIZE THAT THE PROJECT SITE IS LOCATED ALONG THE SAVANNAH RIVER

THE SPECIFIED STONE TEMPLATE.

4. A REAL-TIME GPS SYSTEM SHALL BE UTILIZED ON ALL EQUIPMENT USED FOR PLACEMENT OF STONE WITHIN

ORDER TO STAY WITHIN THE 50 FEET. THIS WILL BE AT NO ADDITIONAL COST TO THE GOVERNMENT.

ALIGNMENT MAY NEED TO BE ADJUSTED TO THE SHORELINE CONDITIONS AT THE TIME OF STONE PLACEMENT IN

THE TOP OF THE DIKE ROAD TO BE MOVED INWARD. IN ALL OTHER AREAS, THE SHORELINE PROTECTION

BLUFF TOWARDS THE RIVER EXCEPT IN AREAS WHERE THE SLOPE FROM THE ROCK TEMPLATE WOULD REQUIRE

3. TOE OF STONE SHORELINE PROTECTION SHALL NOT EXTEND 50 FEET PAST THE CURRENT TOE OF ERODING

2. TOP OF STONE ELEVATION ALONG THE PROPOSED REVETMENT ALIGNMENT IS AT ELEVATION 13.0 MLLW.

SHOWN ON PLATE CN301.

175+90; SHORELINE PROTECTION THAT TIES INTO EXISTING STONE STRUCTURES SHALL BE CONSTRUCTED AS

APPLIES TO SHORELINE PROTECTION THAT DOES NOT TIE INTO EXISTING STONE STRUCTURES AT STATION

1. THIS PLATE SHOWS HOW THE END OF THE SHORELINE PROTECTION SHALL BE CONSTRUCTED. THIS ONLY

NOTES:

-10

-20

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0 50 100110-50-100

STA 164+00

-10

-20

-10

-20

E L

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0 50 100110-50-100

STA 165+00

-10

-20

-10

-20

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STA 166+00

-10

-20

-10

-20

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0 50 100110-50-100

-10

-20

-10

-20

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STA 168+00

-10

-20

-10

-20

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STA 169+00

-10

-20

-10

-20

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STA 170+00

-10

-20

-10

-20

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STA 171+00

-10

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CN311

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9" BEDDING STONE

STA 167+00 (TRANSITION AREA - BASE)

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EXISTING GRADE

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EXISTING GRADE

REALIGNED DIKE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

18" UNDERLAYER STONE

EXCAVATION LINE

9" BEDDING STONE

TIDAL ZONE

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

9" BEDDING STONE

TIDAL ZONE

FILTER STONE

BACKFILL WITH

ARMOR STONE

GI001 COVER SHEET & INDEX OF DRAWINGS

GI002 GENERAL NOTES

GC102 DIKE REVETMENT REPAIR WORK AREA LOCATION PLAN

CN102 AREA 6 DIKE REVETMENT REPAIR OPTION

CN302 ROCK REVETMENT TYPICAL SECTION AT END OF ALIGNMENT

CN311 ROCK REVETMENT SECTIONS/AREA 6/STA 164+00 TO STA 171+00 OPTION (STATION 167+00-BASE)

File details come from the government source that posted it.