A21 - W912PM24B0006 Amd 3 Final.pdf

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Attached to
FY 25 AIWW Maintenance Dredging Federal contract opportunity
Solicitation number
W912PM24B0006
Issued by
Department of the Army Corps of Engineers Engineering District Wilmington

About this file

This document is an Amendment to Solicitation W912PM24B0006 for the FY 25 AIWW Maintenance Dredging contract in North Carolina. The Amendment revises the drawings and specifications for the project, including updates to the placement area details, spillway details, and erosion and sediment control requirements. Key changes include revised coordinates for a dike repair, addition of a second existing riser and spillway, and updated seeding and mulching requirements. The solicitation is for maintenance dredging of the Atlantic Intracoastal Waterway (AIWW) channel between Wilmington and Ocean Isle Beach, North Carolina, to be performed by a hydraulic cutter suction dredge. Dredged material will be placed on approved ocean beaches and placement islands. This is a 100% Small Business set-aside Firm Fixed Price contract with an estimated value between $10-25 million.

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B1 - Bid Abstract at bid opening_AIWW.pdf PDF
A21 - W912PM24B0006_AMD 8 Final.pdf PDF
A21 - W912PM24B0006 Amd 7 Conformed Copy.pdf PDF
A21 - W912PM24B0006_AMD 7 Final.pdf PDF
A21 - W912PM24B0006 Amd 6 Conformed Copy.pdf PDF
A21 - W912PM24B0006_AMD 6 Final.pdf PDF
A21 - W912PM24B0006_AMD 5 Final.pdf PDF
A21 - W912PM24B0006 Amd 5 Conformed Copy.pdf PDF
A21 - W912PM24B0006_AMD 4 Final.pdf PDF
A21 - W912PM24B0006 Amd 4 Conformed Copy.pdf PDF
A21 - W912PM24B0006 Amd 1 - Conformed Copy.pdf PDF
A21 - W912PM24B0006 Amd 2.pdf PDF
CFR-LR Tangent 11 and LFW_2024.01.01.txt TXT text file
Core Creek Range H_2024.0424.txt TXT text file
Core Creek Range I_2024.0424.txt TXT text file
DA277_LiDAR.txt TXT text file
DA293_LiDAR.txt TXT text file
Section 2 Tangent F_2023.11.01.txt TXT text file
Section 5 Tangent 3_ 4 and 4A_2024.06.12.txt TXT text file
CFR-LR Tangent 17_2024.05.29.txt TXT text file
Section 3 Tangent 1_2024.02.15.txt TXT text file
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CFR-LR Tangent 8_2024.06.06.txt TXT text file
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DA23_LiDAR.txt TXT text file
DA284_LiDAR.txt TXT text file
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A21 - W912PM24B0006 Amd 1 - AIWW.pdf PDF
A21 - RTA-SPECS_W912PM24B0006-FY25-AIWW.pdf PDF
A21 - Locked FY25 AIWW Maintenance Dredging Contract_Compiled RTA Plans.pdf PDF
A21 - W912PM24B0006 - AIWW Solicitation.pdf PDF
A21 - Unlocked FY25 AIWW Maintenance Dredging Contract_Compiled RTA Plans.pdf PDF
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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

See the Summary of Changes.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 07-Aug-2024

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912PM24B0006

X 9B. DATED (SEE ITEM 11)

22-Jul-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

07-Aug-2024

CODE

U S ARMY CORPS OF ENGINEERS, WILMINGTON

WILMINGTON DISTRICT

ATTN: CONTRACTING DIVISION

69 DARLINGTON AVE

WILMINGTON NC 28403-1343

W912PM 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912PM24B0006

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SECTION 00 00 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

SUMMARY OF CHANGES

(End of Summary of Changes)

Solicitation # W912PM24B0006 Date: 06 AUGUST 2024

Project Title – ATLANTIC INTRACOASTAL WATERWAY MAINTENANCE DREDGING FY25

CONTRACT NORTH CAROLINA

Amendment No. 0003

TECHNICAL SUMMARY OF CHANGES

1. CHANGES TO SPECIFICATIONS. Attached hereto are [new, revised and deleted] sections to the specifications. Revision mark “***AMENDMENT 0003***” is shown on each revised page.

A. NONE

2. CHANGES TO DRAWINGS.

A. REVISED DRAWINGS (ISSUED)

• CN103 - DA 23 Placement Details o Revised coordinated of cut in dike to be repaired.

o Added second existing riser and spillway.

• S107 - Spillway Miscellaneous Details o Revised number of stoplogs required for DA23 Spillways.

• CN501- Erosion and Sediment Control Notes and Details o Revised minimum plants per acre for Seaside Goldenrod

…end of summary…

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ISSUE DATE:

US Army Corps of Engineers ®

Wilmington District

AUGUST 2024

CONTRACT NO.: W912PM24C00XX

SOLICITATION NO.: W912PM24B0006

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ATLANTIC INTRACOASTAL WATERWAY

MAINTENANCE DREDGING

FY25 CONTRACT

NORTH CAROLINA

AMENDMENT SET - 003

AMENDMENTS:

003 - 06 AUGUST 2024

-5

-5

101010

202020

APPROXIMATE LOCATION OF

RISER TO REMAIN IN PLACE

N: 412607.06 E: 2693017.14

APPROXIMATE LOCATION OF SPILLWAY PIPE

TO REMAIN IN PLACE

N: 412608.42 E: 2692802.33

APPROXIMATE LOCATION OF CUT

IN DIKE TO BE REPAIRED

N: 413239.00 E: 2692918.82

APPROXIMATE LOCATION OF

RISER TO REMAIN IN PLACE

N: 414544.73 E: 2692842.52

APPROXIMATE LOCATION OF SPILLWAY PIPE

TO REMAIN IN PLACE

N: 414546.08 E: 2692627.70

NOTES

1. CONTRACTOR TO PROVIDE NEW STOPLOGS FOR THIS SITE, SEE SHEET S107 FOR STOP LOG DETAILS. CONTRACTOR TO FIELD VERIFY STOPLOG SIZE BEFORE PURCHASE.

2. HORIZONTAL DATUM: NORTH CAROLINA STATE PLAN NAD83.

3. VERTICAL DATUM: NAVD88

4. CONTOUR INTERVAL IS FIVE FEET.

5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ESTABLISHING HORIZONTAL AND VERTICAL CONTROL. AVAILABLE CONTROL POINTS IN THE VICINITY OF PLACEMENT

AREA CAN BE FOUND AT THE INTERNET SITE: http://www.ngs.noaa.gov/NGSDataExplorer/.

6. THE EXISTING CONTOURS SHOWN REPRESENT THE RESULT OF 2021 LIDAR.

7. THE CONTRACTOR SHALL PERFORM A VIDEO INSPECTION OF THE EXISTING STRUCTURE AND SUBMIT IT FOR GOVERNMENT APPROVAL NO LESS THAN 15 DAYS PRIOR TO

ANY PLACEMENT OPERATIONS.

8. ANY CUTS MADE THROUGH THE EXISTING DIKE EMBANKMENT FOR EQUIPMENT ACCESS INTO THE PLACEMENT AREA SHALL BE REPAIRED UPON COMPLETION OF

EXCAVATION AND PRIOR TO PLACEMENT OPERATIONS.

9. ALL DIKE EMBANKMENT REPAIRS SHALL BE IN ACCORDANCE WITH SECTION 31 01 00 DIKE EMBANKMENT OF THE SPECIFICATIONS. REPAIRS SHALL BE MADE TO RESTORE

THE DIKE TO PRE-CONSTRUCTION LINES AND GRADES. THERE IS AN EXISTING DIKE CUT THAT SHALL BE REPAIRED TO MATCH THE EXISTING DIKE EMBANKMENT

10. THE CONTRACTOR SHALL GRADE THE INTERIOR OF THE DIKED AREA TO ASSURE FREE DRAINAGE TO THE SPILLWAY RISERS.

11. WETLANDS LOCATED AROUND THE PERIMETER OF THE PLACEMENT AREA ARE PROTECTED BY LAW. EXCAVATION AND/OR FILLING OF WETLANDS WILL NOT BE ALLOWED.

WETLANDS DAMAGED BY THE CONTRACT'S OPERATION SHALL BE RESTORED TO THE SATISFACTION OF THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. RESTORATION SHALL ONLY COMMENCE FOLLOWING DIRECTION FROM THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE.

12. ALL SLOPES ARE 3H:1V UNLESS OTHERWISE NOTED.

13. PLACEMENT ISLAND IS PROPERTY OF THE STATE OF NORTH CAROLINA.

14. SURVEYS FOR PLACEMENT ARE REQUIRED PER SPECIFICATION SECTION 02 21 00.

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DA 23 PLACEMENT DETAILS

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5'-0"

5' -0

4" MAX. 3'

-6

1' -9

6'-0"

NTS

2X4

6X6 POST (TYP.) 6X6 POST

(TYP.)

2X6 DECKING

2X8

2X4 (TYP.)

WALKWAY DETAILS

2X4 HANDRAIL

& GUARDRAIL

S-108

TIMBER STOPLOG DETAIL

NTS

S-108

STOPLOGS SPILLWAY

REQUIRED

DA 284 120

4"1

2"3 4"

4"

1 2"

8"

4" 3

4"

16"

8"

2" MAX

2" MIN

3" X 6" STOPLOG 48" LONG

4"

2" x 6" GALV. LAG BOLT

6" FROM EACH END

BLUNT END WITH HAMMER

OR BY GRINDING & TOUCH-UP

PAINT W/ ZINC-RICH PRIMER

51 2"

4'-0" 8'-0"

MAX. UNSUPPORTED

LENGTH 6X6 POST (TYP.)

6X6 POST (TYP.)

2X12 (TYP.)

2X10 (TYP.)

NOTE: ALL HARDWARE SHALL BE HOT DIP GALVANIZED IAW ASTM A153.

2X10

2X12

BOLT THRU WITH 12" DIA.

BOLTS, NUTS, & WASHERS

(GALVANIZED)

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BOLT THRU WITH 12" DIA.

BOLTS, NUTS, & WASHERS

(GALVANIZED)

2X6 X 12"

BLOCK INSERT

2X6 X 12"

BLOCK INSERT

2X8 2X6 X 12"

BOLT THRU WITH 12" DIA.

BOLTS, NUTS, & WASHERS

(GALVANIZED)

2X8 (TYP.)

CONSTRUCT AT

45 DEG. FROM

SUPPORT

2X8 (TYP.) ONE

ON EACH SIDE

CONSTRUCT AT

45 DEG. FROM

SUPPORT

SUPPORT FRAMES FOR SPILLWAY PIPE

NTS

S-108

DRAWING NOTES:

1. ALL LUMBER SHOWN SHALL BE TREATED LUMBER PER THE SPECIFICATIONS.

2. NEW STOPLOGS SHALL BE #1 DENSE SOUTHER PINE AND SHALL BE PRESSURE

TREATED IN ACCORDANCE WITH AWPA U1 (USE CATEGORY UC5B

WATERBORNE PRESERVATIVE) AFTER FABRICATION. UNTREATED NO. 2

WHITE OAK MAY ALSO BE USED.

3. UNUSED STOPLOGS SHALL BE STACKED AT THE SPILLWAY OR AT A STORAGE

AREA AS DIRECTED BY THE CONTRACTING OFFICER'S REPRESENTATIVE.

4. STOP LENGTH SHALL BE APPROXIMATELY 4'. THE CONTRACTOR SHALL

MEASURE THE CLEAR WIDTH OF THE BAY AT THE STRUCTURE (FACE OF

CHANNEL WEB TO FACE OF CHANNEL WEB) & CUT STOPLOGS TO FT.

5. NEW STOPLOGS SHALL HAVE LAG SCREWS INSTALLED AS SHOWN 6" FROM

EACH END.

6. APPLY BRUSH-ON WOOD PRESERVATIVE TO ALL CUT ENDS.

7. BRACING REQUIRED AS SHOWN.

1' DIAMETER POSTHOLE

FILL WITH READY-MIX CONCRETE

8' -0

DA 293 160

DA 23 105

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GROUND LINE

3' -0

" M

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4"

8"

COMPACTED FILL

2' MIN' (TYP)

STEEL POST

FILTER

FABRIC

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36" MIN WIDTH

FILTER FABRIC

(6' MAX. STANDARD STRENGTH FABRIC)

STEEL

POST

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N.T.S.

TEMPORARY SILT FENCE NOTES:

1. FILTER FABRIC SHALL HAVE A MINIMUM WIDTH OF 36" AND SHALL BE FASTENED TO THE POSTS

AS DIRECTED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE.

2. STEEL POSTS SHALL BE 5 FEET (MIN) IN HEIGHT AND SHALL BE OF THE SELF-FASTENER ANGLE

STEEL TYPE.

3. THE CONTRACTOR SHALL PLACE TEMPORARY SILT FENCE AS INDICATED ON PLATE CN101

OF THE PLANS AND DETAIL ABOVE AND AS DIRECTED BY THE CONTRACTING OFFICER OR

HIS/HER DESIGNATED REPRESENTATIVE.

4. THE CONTRACTOR SHALL INSPECT TEMPORARY SILT FENCE AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY. REMOVE SEDIMENT DEPOSITS AS

NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE

PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.

5. THE CONTRACTOR SHALL PERFORM ALL WORK IN SUCH A MANNER THAT STATE WATER QUALITY

STANDARDS OUTSIDE OF THE CONSTRUCTION AREA ARE NOT VIOLATED. ALL EROSION AND

SEDIMENT CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE NORTH CAROLINA EROSION

AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.

SOIL EROSION AND SEDIMENT CONTROL MEASURES

1. ALL EROSION AND SEDIMENTATION CONTROL MEASURES NOTED SHALL BE INSTALLED PRIOR TO START OF CONSTRUCTION AND

SHALL REMAIN IN EFFECT AND BE MAINTAINED THROUGHOUT THE PERIOD OF CONSTRUCTION.

2. SEDIMENTATION FROM WORK ON THIS SITE SHALL BE CONTAINED ON THE SITE AND SHALL NOT BE ALLOWED TO COLLECT ON ANY

OFFSITE AREA OR IN WATERWAYS.

3. CONTRACTOR SHALL APPLY TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THESE PLANS OR AS DIRECTED BY THE CONTRACTING OFFICER OR HIS/HER DESIGNATED REPRESENTATIVE. CONTRACTOR SHALL REMOVE TEMPORARY MEASURES AS SOON AS PERMANENT STABILIZATION OF SLOPES, DITCHES, AND OTHER EARTH CHANGES HAVE BEEN ACCOMPLISHED.

4. DAILY INSPECTION SHALL BE MADE BY THE CONTRACTOR TO DETERMINE THE EFFECTIVENESS OF EROSION CONTROL MEASURES, AND

ANY NECESSARY REPAIRS SHALL BE MADE WITHOUT DELAY.

5. PERMANENT SOIL EROSION CONTROL MEASURES FOR ANY DISTURBED LAND AREA SHALL BE STABLIZIED AS SOON AS POSSIBLE. WHEN IT IS NOT POSSIBLE TO PERMANENTLY STABILIZE A DISTURBED AREA IMMEDIATELY AFTER COMPLETION OF GRADING WORK, TEMPORARY SOIL EROSION CONTROL MEASURES SHALL BE IMPLEMENTED IMMEDIATELY. ALL TEMPORARY SOIL EROSION CONTROL MEASURES SHALL

BE MAINTAINED UNTIL PERMANENT SOIL EROSION CONTROL MEASURES ARE IMPLEMENTED.

6. CONTRACTOR SHALL PROVIDE PERMANENT GROUND COVER FOR ALL DISTURBED AREAS WITH 3H:1V SLOPES OR FLATTER WITHIN 14 CALENDAR DAYS FOLLOWING THE COMPLETION OF CONSTRUCTION AND ALL DISTURBED AREAS WITH SLOPES STEEPER THAN 3H:1V WITHIN 7 CALENDAR DAYS

AFTER COMPLETION OF CONSTRUCTION.

7. NO MATERIALS CONTAINING PLASTICS ARE PERMITTED FOR USE. ANY EROSION CONTROL PRODUCTS/BLANKETS USED MUST BE 100% BIODEGRADABLE AND NOT CONTAIN INTERLOCKING MESH WHERE THE CORNERS OF EACH MESH CELL IS TIED OR FIXED (I.E., MUST BE WILDLIFE SAFE UPON INSTALLATION).

SEE SECTION 32 92 19 IN THE SPECIFICATIONS FOR DETAILS REGARDING MAINTENANCE AND APPLICATION OF SEEDING, SOIL CONDITIONERS, FERTILIZERS, AND MULCH.

SEEDING AND MULCHING

IMMEDIATELY AFTER SEEDING, FIRM ENTIRE AREA EXCEPT FOR SLOPES IN EXCESS OF

3H : 1V WITH ROLLER NOT EXCEEDING 90 POUNDS FOR EACH FOOT OF ROLLER WIDTH.

IF SEEDING IS PERFORMED WITH CULTIPACKER-TYPE SEEDER OR HYDROSEEDING,

ROLLING MAY BE ELIMINATED.

TEMPORARY SEED SPECIES FOR SURFACE EROSION CONTROL OR OVER SEEDING SHALL

BE AS FOLLOWS:

PERMANENT SEED MIXTURE SHALL BE AS FOLLOWS:

FERTILIZER SHALL BE COMMERCIAL GRADE, FREE FLOWING, UNIFORMLY

COMPOSED. FERTILIZER SHALL BE BALANCED WITH THE INCLUSION OF

TRACE MINERALS AND MICRO NUTRIENTS.

SYNTHETIC, GRANULAR CONTROLLED RELEASE FERTILIZER CONTAINING

THE FOLLOWING MINIMUM PERCENTAGES, BY WEIGHT OF PLANT FOOD

10 PERCENT AVAILABLE NITROGEN

10 PERCENT AVAILABLE PHOSPHORUS

10 PERCENT AVAILABLE POTASSIUM

CONTROLLED RELEASE FERTILIZER, TO USE WITH HYDROSEEDING AND

COMPOSED OF PILLS COATED WITH PLASTIC RESIN TO PROVIDE A

CONTINUOUS RELEASE OF NUTRIENTS FOR AT LEAST 6 MONTHS AND

CONTAINING THE FOLLOWING MINIMUM PERCENTAGES, BY WEIGHT, OF

10 PERCENT AVAILABLE NITROGEN

10 PERCENT AVAILABLE PHOSPHORUS

10 PERCENT AVAILABLE POTASSIUM

VEGETATIVE STABILIZATION - SEEDING

TEMPORARY SEED

PERMANENT SEED

FERTILIZER

HAY OR STRAW MULCH

STRAW

HAY

MECHANICAL ANCHOR

WOOD CELLULOSE FIBER

MULCH SHALL BE FREE FROM NOXIOUS WEEDS, MOLD, AND OTHER

DELETERIOUS MATERIALS. MULCH MATERIALS SHALL BE NATIVE TO

THE REGION. HAY OR STRAW MULCH SHALL BE SPREAD UNIFORMLY

AT THE RATE OF 2 TONS PER ACRE. MULCH SHALL BE SPREAD BY

HAND, BLOWER-TYPE MULCH SPREADER, OR OTHER APPROVED

METHOD. MULCHING SHALL BE STARTED ON THE WINDWARD SIDE

OF RELATIVELY FLAT AREAS OR ON THE UPPER PART OF STEEP

SLOPES, AND CONTINUED UNIFORMLY UNTIL THE AREA IS COVERED.

THE MULCH SHALL NOT BE BUNCHED OR CLUMPED. SUNLIGHT SHALL

NOT BE COMPLETELY EXCLUDED FROM PENETRATING TO THE GROUND

SURFACE. ALL AREAS INSTALLED WITH SEED SHALL BE MULCHED ON

THE SAME DAY AS THE SEEDING. MULCH SHALL BE ANCHORED

IMMEDIATELY FOLLOWING SPREADING.

STALKS FROM OATS, WHEAT, RYE, BARLEY, OR RICE. FURNISH IN

AIR-DRY CONDITION AND OF PROPER CONSISTENCY FOR PLACING

WITH COMMERCIAL MULCH BLOWING EQUIPMENT. STRAW SHALL

CONTAIN NO FERTILE SEED.

HAY SHALL BE NATIVE HAY, SUDAN-GRASS HAY, BROOMSEDGE HAY,

OR OTHER HERBACEOUS MOWING. AIR-DRY CONDITION AND OF

PROPER CONSISTENCY FOR PLACING WITH COMMERCIAL MULCH

BLOWING EQUIPMENT. HAY SHALL BE STERILE, CONTAINING NO

FERTILE SEED.

MECHANICAL ANCHOR SHALL BE A V-TYPE-WHEEL LAND PACKER;

A SCALLOPED-DISK LAND PACKER DESIGNED TO FORCE MULCH INTO

THE SOIL SURFACE; OR OTHER SUITABLE EQUIPMENT.

WOOD CELLULOSE FIBER SHALL BE APPLIED AS PART OF THE

HYDROSEEDING OPERATION. THE MULCH SHALL BE MIXED AND

APPLIED IN ACCORDANCE WITH THE MANUFACTURER'S

RECOMMENDATIONS.

ALL DISTURBED AREAS ARE TO BE SEEDED WITHIN 7 DAYS AFTER GOVERNMENT

ACCEPTANCE OF SURVEY, AND IF ANY DISTURBED AREAS ARE NOT ACTIVELY BEING WORKED

FOR MORE THAN 15 DAYS, TEMPORARY SEEDING WILL BE REQUIRED.

NOTE: EXTEND FABRIC

INTO TRENCH

CN124

NUTRIENTS:

PLANT FOOD NUTRIENTS:

Temporary Plantings

Planting Period Common Name Sp. Name Min lbs. or plants/acre Nov-Mar American Beachgrass Ammophila breviligulata 53,460 plants Mar-Jun Sea Oats Uniola paniculata 5,346 plants Spring Bitter Panicum Panicum amarum 5,346 plants Spring Switchgrass Panicum virgatum 6 lbs

Fall-Spring Cross Vine Bignonia capreolata 1,500 plants Spring/Summer Threadleaf Coreopsis Coreopsis verticillata 5 lbs.

Fall Beach Blanket-flower Gaillardia pulchella 5 lbs.

Fall-Spring Coral Honeysuckle Lonicera sempervirens 10 lbs.

Fall-Spring Virginia Creeper Parthenocissus quinquefolia 0.2 lbs.

Spring Muscadine Vitis rotundifolia 180 plants

Permanent Plantings Planting Period Common Name Sp. Name Min lbs. or plants/acre

Spring Little Bluestem Schizachyrium scoparium 4 lbs Fall-Winter Spotted

Horsemint/beebalm Monarda punctata 2 lbs

Spring/Summer Seashore Saltgrass Distichlis Spicata 4 lbs Winter/Spring Seaside Goldenrod Solidago sempervirens 22,000 plants

Fall/Spring Southern Bayberry Morella cerifera 680 plants Fall/Spring Northern Bayberry Myrica pensylvanica 680 plants

Spring Seashore Elder Iva imbricata 680 plants

Spring Pink Muhly Grass/ Hairwan Muhly Muhlenbergia capillaris 2 lbs

Spring Sundrops Oenothera fruticosa 2 lbs Spring Seashore Mallow Kosteletzkya virginica 2 lbs

Winter/Spring Eastern Smooth Beardtongue Penstemon laevigatus 2 lbs

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A21 - W912PM24B0006 Amd 3 Front End Only.pdf
W912PM24B0006_AMDT0003_TECH-SUMMARY-DRWNGS WO FRONT END

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