A21 - W912PM24B0006 Amd 3 Final.pdf
PDF 2 MB Posted
- Attached to
- FY 25 AIWW Maintenance Dredging Federal contract opportunity
- Solicitation number
- W912PM24B0006
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.
View the file
Other files for this federal contract opportunity
Show all 32
On GovTribe
Work with this file on GovTribe
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
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…
C O
N
TR
AC
T
N O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
A
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
SO
LI
C
IT
AT
IO
N N
O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
FY
M
AI
N
TE
N
AN
C E
D R
ED
G
IN
G
AT
LA
N
TI
C
IN
TR
AC
O
AS
TA
L
W
AT
ER
W
AY
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
"X
B.
M
AL
O
N
EY
B.
M
AL
O
N
EY
D R
AW
IN
G C
O D
E:
AI
W W
4-
-3
T.
M U
R
PH
Y
T.
K
N
IG
H T/
S . S
TE
LL
O
FI
LE
N
AM
E:
W
2P M
B0
AM
EN
D M
EN
T
W
2P M
C
XX
AU
G
U
ST
G-001
C O
VE
R
S H
EE
T
ISSUE DATE:
US Army Corps of Engineers ®
Wilmington District
AUGUST 2024
CONTRACT NO.: W912PM24C00XX
SOLICITATION NO.: W912PM24B0006
G
1.
dw g
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.
A
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
SO
LI
C
IT
AT
IO
N N
O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
C O
N
TR
AC
T
N O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
FY
M
AI
N
TE
N
AN
C E
D R
ED
G
IN
G
AT
LA
N
TI
C
IN
TR
AC
O
AS
TA
L
W
AT
ER
W
AY
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
"x
FI
LE
N
AM
E:
D R
AW
IN
G C
O D
E:
B.
M
AL
O
N
EY
B.
M
AL
O
N
EY
T.
K
N
IG
H T/
S.
S
TE
LL
O
T.
M
U R
PH
Y
AI
W
W
4-
-3
W
2P M
C
XX
XX
JU
LY
W
2P M
B0
R
EA
D Y
TO
A
D
VE
R
TI
SE
(R
TA
CN103
D A
P
LA
C
EM
EN
T D
ET
AI
LS
Feet
1"=100'
2001000 50
DA 23 PLACEMENT DETAILS
AM
EN
D
M
EN
T
3, A
D D
ED
L
O C
AT
IO
N O
F
SE
C O
N D
S
PI
LL
W
AY
AM
EN
D M
EN
T
3, U
PD
AT
ED
C O
O R
D
IN
AT
ES
O F
R
EP
AI
R
IN
D
IK
E
A
U G
A U
G
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)
M
IN
IM
U
M
PE
N
ET
R
AT
IO
N
(T
YP
6" MINIMUM EXTENSION
BEYOND POST (TYP.)
'-0
30"HDPE PIPE
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
A
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
SO
LI
C
IT
AT
IO
N N
O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
C O
N
TR
AC
T
N O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
FY
M
AI
N
TE
N
AN
C E
D R
ED
G
IN
G
AT
LA
N
TI
C
IN
TR
AC
O
AS
TA
L
W
AT
ER
W
AY
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
"x
FI
LE
N
AM
E:
D R
AW
IN
G C
O D
E:
B.
M
AL
O
N
EY
B.
M
AL
O
N
EY
T.
K
N
IG
H T/
S.
S
TE
LL
O
T.
M
U R
PH
Y
AI
W
W
4-
-3
W
2P M
C
XX
XX
JU
LY
W
2P M
B0
R
EA
D Y
TO
A
D
VE
R
TI
SE
(R
TA
S107
SP
IL
LW
AY
M
IS
C
EL
LA
N
EO
U
S D
ET
AI
LS
AM
EN
D
M
EN
T
3, R
EV
IS
ED
N
U M
BE
R
O F
ST
O
PL
O
G S
FO
R
D A2
A U
G
TEMPORARY SILT FENCE (SF) DETAIL
GROUND LINE
3' -0
" M
AX
2' -0
" M
IN
4"
8"
COMPACTED FILL
2' MIN' (TYP)
STEEL POST
FILTER
FABRIC
" F
IL
TE
R
FA
BR
IC
36" MIN WIDTH
FILTER FABRIC
(6' MAX. STANDARD STRENGTH FABRIC)
STEEL
POST
(TYP)
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
A
B
C
D
E
F
G
2 3 4 5 6 7 8 9 10
US Army Corps of Engineers
SO
LI
C
IT
AT
IO
N N
O
D
ES
IG
N
ED
B
Y:
D
ES
C R
IP
TI
O N
M
AR
K
SI
ZE
SU
BM
IT
TE
D B
Y:
D
AT
E
C O
N
TR
AC
T
N O
C H
EC
KE
D B
Y:
D R
AW
N
B Y:
IS
SU
E D
AT
E:
SHEET ID
U .S
.A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
W
IL
M
IN
G
TO
N D
IS
TR
IC
T
D
AR
LI
N G
TO
N
A
VE
N U
E W
IL
M
IN
G
TO
N
, N O
R
TH
C
AR
O
LI
N A
FY
M
AI
N
TE
N
AN
C E
D R
ED
G
IN
G
AT
LA
N
TI
C
IN
TR
AC
O
AS
TA
L
W
AT
ER
W
AY
BR
U N
SW
IC
K C
O U
N
TY
, N O
R
TH
C
AR
O
LI
N A
"x
FI
LE
N
AM
E:
D R
AW
IN
G C
O D
E:
B.
M
AL
O
N
EY
B.
M
AL
O
N
EY
T.
K
N
IG
H T/
S.
S
TE
LL
O
T.
M
U R
PH
Y
AI
W
W
4-
-3
W
2P M
C
XX
XX
JU
LY
W
2P M
B0
R
EA
D Y
TO
A
D
VE
R
TI
SE
(R
TA
CN501
ER
O
SI
O
N
S
ED
IM
EN
T C
O N
TR
O
L N
O
TE
S
AN
D D
ET
AI
LS
AM
EN
D M
EN
T
3, R
EV
IS
ED
M
IN
IM
U
M P
O U
N D
S O
R P
LA
N
TS
/A
C R
E
A U
G
| A21 - W912PM24B0006 Amd 3 Front End Only.pdf |
| W912PM24B0006_AMDT0003_TECH-SUMMARY-DRWNGS WO FRONT END |
File details come from the government source that posted it. Updated .