Final Bid Abstract_W912EP26BA012_NSBKB_Maintenance.pdf

PDF 180 KB Posted Aug 12, 2026

Attached to: Naval Submarine Base Kings Bay, Maintenance Dredging, Entrance Channel, Camden County, Georgia and Nassau County, Florida
Solicitation number: W912EP26BA012
Issued by: Department of the Army Corps of Engineers Engineering District Jacksonville

About this file

Written by GovTribe AI · Aug 12, 2026

This is a Bid Abstract for a federal construction solicitation issued by the USA Engineer District, Jacksonville for maintenance dredging services at Naval Submarine Base Kings Bay. The solicitation number is W912EP26BA002, with an original issue date of July 10, 2025, and a bid closing date of August 12, 2026.

The project encompasses maintenance dredging in the entrance channel at Camden County, Georgia and Nassau County, Florida. The contract includes a base bid and two optional line items. The base bid comprises 25 line items totaling approximately $22.7 million to $30.6 million across four bidders, covering excavation and unclassified material removal across multiple ranges and stations, with quantities ranging from 0 to 625,000 cubic yards depending on the specific range. Unit pricing varies significantly by bidder and location, ranging from $7.50 to $65.00 per cubic yard for excavation work. Additional base services include mobilization and demobilization ($7.5 million to $10.5 million), sea turtle and sturgeon trawling and relocation ($500,000 to $790,000), environmental and water quality monitoring ($165,000 to $365,000), beach tilling, vibration control and monitoring, screening, and standby time at $5,000 to $11,250 per hour. Option A includes Fort Clinch pre-placement debris removal at $14,000 to $250,000, and Option B includes beach tilling from R-019 to R-029 at $29,250 to $202,800. Four bidders submitted offers: Great Lakes Dredge and Dock Company LLC with a total bid of $30,692,600; Manson Construction Company identified as the apparent low bidder at $22,755,475; Weeks Marine Inc. at $26,873,400; and an unnamed fourth bidder at $25,776,512. All bidders acknowledged receipt of three amendments to the solicitation.

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. Voicu, Contracting Officer

BIDDERS

NO. 1 NO. 2 NO. 3

BIDDER: BIDDER: BIDDER:

B. BID SECURITY B. BID SECURITY B. BID SECURITY

(Type & amount) (Type & amount) (Type & amount)

C. BUSINESS SIZE: L C. BUSINESS SIZE: L C. BUSINESS SIZE: L

D. ADDENDA D. ADDENDA D. ADDENDA

NUMBER OF AMENDMENTS ISSUED: 3 ACKNOWLEDGED: ACKNOWLEDGED: ACKNOWLEDGED:

CLIN NO. DESCRIPTION OF OFFERED ITEM: QUANTITY UNIT UNIT PRICE AMOUNT UNIT PRICE AMOUNT UNIT PRICE AMOUNT UNIT PRICE AMOUNT

BASE

0001 MOBILIZATION AND DEMOBILIZATION 1 JOB

$10,450,000.00 $10,450,000.00 7,517,200.00 $7,517,200.00 9,100,000.00 $9,100,000.00 8,375,000.00 $8,375,000.00

0002AA

FROM 0 TO 5,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 11+00 TO STA 49+00;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

5,500 CUBIC YARD

$32.00 $176,000.00 55.00 $302,500.00 41.50 $228,250.00 30.00 $165,000.00

0002AB

FROM 5,501 TO 11,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 11+00 TO STA 49+00;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

5,500 CUBIC YARD

$32.20 $177,100.00 50.00 $275,000.00 38.50 $211,750.00 30.00 $165,000.00

0003AA

FROM 0 TO 6,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 72+00 TO STA 100+00;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

6,000 CUBIC YARD

$31.50 $189,000.00 60.00 $360,000.00 51.00 $306,000.00 30.00 $180,000.00

0003AB

FROM 6001 TO 12,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 72+00 TO STA 100+00;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

6,000 CUBIC YARD

$30.50 $183,000.00 55.00 $330,000.00 47.00 $282,000.00 30.00 $180,000.00

0004AA

FROM 0 TO 33,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 100+00 TO STA 200+00;

(P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

33,000 CUBIC YARD

$26.05 $859,650.00 35.00 $1,155,000.00 26.25 $866,250.00 20.00 $660,000.00

0004AB

FROM 33,001 TO 66,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 100+00 TO STA 200+00;

(P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

33,000 CUBIC YARD

$26.25 $866,250.00 30.00 $990,000.00 24.50 $808,500.00 20.00 $660,000.00

0005AA

FROM 0 TO 35,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 200+00 TO STA 230+00;

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

35,000 CUBIC YARD

$9.65 $337,750.00 16.00 $560,000.00 8.00 $280,000.00 10.00 $350,000.00

0005AB

FROM 35,001 TO 70,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 100+00 TO STA 200+00;

(P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

35,000 CUBIC YARD

$9.45 $330,750.00 11.00 $385,000.00 7.50 $262,500.00 10.00 $350,000.00

0006AA

FROM 0 TO 312,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 230+00 TO STA 340+00;

(D/A-O DISPOSAL)

(ESTIMATED QUANTITY, SEE NOTE 2)

312,500 CUBIC YARD

$12.15 $3,796,875.00 10.00 $3,125,000.00 7.50 $2,343,750.00 9.00 $2,812,500.00

0006AB

FROM 312,501 TO 625,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 100+00 TO STA 200+00;

(P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

312,500 CUBIC YARD

$12.15 $3,796,875.00 9.00 $2,812,500.00 7.00 $2,187,500.00 9.00 $2,812,500.00

0007AA

FROM 0 TO 34,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 387+50 TO STA 470+00; RANGE 1125 TO RANGE 1250;

(D/A-O DISPOSAL)

(ESTIMATED QUANTITY, SEE NOTE 2)

34,000 CUBIC YARD

$12.75 $433,500.00 14.00 $476,000.00 8.00 $272,000.00 12.50 $425,000.00

0007AB

FROM 34,001 TO 68,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N STA 387+50 TO STA 470+00; RANGE 1125 TO RANGE 1250;

(D/A-O DISPOSAL)

(ESTIMATED QUANTITY, SEE NOTE 2)

34,000 CUBIC YARD

$12.65 $430,100.00 10.00 $340,000.00 7.50 $255,000.00 12.50 $425,000.00

0008AA

FROM 0 TO 62,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N NORTH SETTLING BASIN

STA 119+00 TO STA 227+50; RANGE 1250 TO RANGE 1300;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

62,500 CUBIC YARD

$24.10 $1,506,250.00 31.00 $1,937,500.00 15.00 $937,500.00 30.00 $1,875,000.00

0008AB

FROM 62,501 TO 125,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N NORTH SETTLING BASIN

STA 119+00 TO STA 227+50; RANGE 1250 TO RANGE 1300;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

62,500 CUBIC YARD

$24.20 $1,512,500.00 27.00 $1,687,500.00 14.00 $875,000.00 30.00 $1,875,000.00

0009AA

FROM 0 TO 8,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N SOUTH TURNING BASIN

STA 11+00 TO STA 22+00

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

8,000 CUBIC YARD

$11.40 $91,200.00 16.00 $128,000.00 8.25 $66,000.00 12.50 $100,000.00

0009AB

FROM 8,001 TO 16,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

CUT-1N SOUTH TURNING BASIN

STA 11+00 TO STA 22+00

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

8,000 CUBIC YARD

$11.40 $91,200.00 13.00 $104,000.00 7.50 $60,000.00 12.50 $100,000.00

0010AA

FROM 0 TO 4,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE A STA 6+500 TO RANGE A2 STA 12+005.31

RANGE 1000 TO NORTH RANGE VARIES (EXCEPT FULL CHANNEL BETWEEN STA 7+500

TO 8+500); (P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

4,500 CUBIC YARD

$33.20 $149,400.00 65.00 $292,500.00 19.00 $85,500.00 20.00 $90,000.00

0010AB

FROM 4,501 TO 9,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE A STA 6+500 TO RANGE A2 STA 12+005.31

RANGE 1000 TO NORTH RANGE VARIES (EXCEPT FULL CHANNEL BETWEEN STA 7+500

TO 8+500); (P/A-F PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

4,500 CUBIC YARD

$31.75 $142,875.00 60.00 $270,000.00 17.50 $78,750.00 20.00 $90,000.00

0011AA

FROM 0 TO 3,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE B STA 12+005.31 TO STA 15+348.53

RANGE 1000 TO RANGE 1250+ (VARIES);

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

3,500 CUBIC YARD

$11.30 $39,550.00 19.00 $66,500.00 10.25 $35,875.00 20.00 $70,000.00

0011AB

FROM 3,501 TO 7000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE B STA 12+005.31 TO STA 15+348.53

RANGE 1000 TO RANGE 1250+ (VARIES);

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

3,500 CUBIC YARD

$11.30 $39,550.00 16.00 $56,000.00 9.50 $33,250.00 20.00 $70,000.00

0012AA

FROM 0 TO 22,500 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE C TO D STA 15+348.53 TO STA 15+900 AND STA 18+500 TO STA 24+700

(INCLUDING WIDENER)

RANGE 1000 TO RANGE VARIES;

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

22,500 CUBIC YARD

$12.15 $273,375.00 15.00 $337,500.00 13.50 $303,750.00 20.00 $450,000.00

0012AB

FROM 22,501 TO 45,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE C TO D STA 15+348.53 TO STA 15+900 AND STA 18+500 TO STA 24+700

(INCLUDING WIDENER)

RANGE 1000 TO RANGE VARIES;

(P/A-N PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

22,500 CUBIC YARD

$12.85 $289,125.00 13.00 $292,500.00 12.50 $281,250.00 20.00 $450,000.00

0013AA

FROM 0 TO 20,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE D STA 24+700 TO RANGE E STA 31+000;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

20,000 CUBIC YARD

$28.10 $562,000.00 27.00 $540,000.00 30.00 $600,000.00 30.00 $600,000.00

0013AB

FROM 20,001 TO 40,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE D STA 24+700 TO RANGE E STA 31+000;

(P/A-NB PLACEMENT)

(ESTIMATED QUANTITY, SEE NOTE 2)

20,000 CUBIC YARD

$28.15 $563,000.00 25.00 $500,000.00 27.50 $550,000.00 30.00 $600,000.00

0014AA

FROM 0 TO 3,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE E STA 31+000 TO STA 31+800;

(D/A-O DISPOSAL)

(ESTIMATED QUANTITY, SEE NOTE 2)

3,000 CUBIC YARD

$17.05 $51,150.00 50.00 $150,000.00 21.50 $64,500.00 20.00 $60,000.00

0014AB

FROM 3,001 TO 6,000 CUBIC YARDS

EXCAVATION, UNCLASSIFIED

RANGE E STA 31+000 TO STA 31+800;

(D/A-O DISPOSAL)

(ESTIMATED QUANTITY, SEE NOTE 2)

3,000 CUBIC YARD

$17.05 $51,150.00 45.00 $135,000.00 20.00 $60,000.00 20.00 $60,000.00

SEA TURTLE / STURGEON TRAWLING AND RELOCATION

(HOPPER DREDGE ONLY)

(SEE NOTE 3)

1 JOB

$790,000.00 $790,000.00 530,000.00 $530,000.00 550,000.00 $550,000.00 500,000.00 $500,000.00

0016 ENVIRONMENTAL AND WATER QUALITY MONITORING 1 JOB $365,000.00 $365,000.00 165,000.00 $165,000.00 185,000.00 $185,000.00 175,000.00 $175,000.00

0017 BEACH TILLING AT NORTH BEACH PLACEMENT AREA (P/A-NB)

(ESTIMATED QUANTITY) 8 ACRE $1,400.00 $11,200.00 5,200.00 $41,600.00 900.00 $7,200.00 750.00 $6,000.00

0018 BEACH TILLING AT FORT CLINCH PLACEMENT AREA (P/A-F)

(ESTIMATED QUANTITY) 9 ACRE $1,400.00 $12,600.00 5,200.00 $46,800.00 900.00 $8,100.00 750.00 $6,750.00

0019 VIBRATION CONTROL AND MONITORING AT NORTH BEACH PLACEMENT AREA (P/A-

NB) 1 JOB $85,100.00 $85,100.00 15,000.00 $15,000.00 40,000.00 $40,000.00 50,000.00 $50,000.00

0020 VIBRATION CONTROL AND MONITORING AT FORT CLINCH PLACEMENT AREA (P/A-F) 1 JOB $76,925.00 $76,925.00 10,000.00 $10,000.00 15,000.00 $15,000.00 25,000.00 $25,000.00

0021 REMEDIATION OF NONCOMPLIANT MATERIAL

(ESTIMATED QUANTITY) 1 ACRE $10,000.00 $10,000.00 1,000.00 $1,000.00 5,000.00 $5,000.00 30,000.00 $30,000.00

0022 TRANSPORTATION AND DISPOSAL OF UNACCEPTABLE MATERIAL

(ESTIMATED QUANTITY) 20 CUBIC YARD $1,500.00 $30,000.00 1,000.00 $20,000.00 60.00 $1,200.00 2,000.00 $40,000.00

0023 SCREENING

(ESTIMATED QUANTITY) 100 CUBIC YARD

$450.00 $45,000.00 520.00 $52,000.00 1,000.00 $100,000.00 25.00 $2,500.00

0024 STANDBY TIME

(SEE NOTE 4) 72 HOURS

$11,250.00 $810,000.00 8,500.00 $612,000.00 5,000.00 $360,000.00 8,500.00 $612,000.00

INTERIM DEMOBILIZATION AND MOBILIZATION

(CUTTER-SUCTION DREDGES ONLY)

(SEE NOTE 5)

12 EACH

$80,000.00 $960,000.00 - $0.00 - $0.00 1.00 $12.00

TOTAL BASE BID (LINE ITEMS 0001 THROUGH 0025) $30,585,000.00 $26,618,600.00 $22,706,375.00 $25,497,262.00

OPTION A

0026 FORT CLINCH PRE-PLACEMENT DEBRIS REMOVAL

(ESTIMATED QUANTITY) 100 CUBIC YARD $530.00 $53,000.00 520.00 $52,000.00 140.00 $14,000.00 2,500.00 $250,000.00

TOTAL OPTION A (LINE ITEM 0026) $53,000.00 $52,000.00 $14,000.00 $250,000.00

OPTION B

0027 BEACH TILLING FROM R-019 TO R-029

(ESTIMATED QUANTITY) 39 ACRE $1,400.00 $54,600.00 5,200.00 $202,800.00 900.00 $35,100.00 750.00 $29,250.00

TOTAL OPTION B (LINE ITEM 0027) $54,600.00 $202,800.00 $35,100.00 $29,250.00

$30,692,600.00 $26,873,400.00 $22,755,475.00 $25,776,512.00

Y/3M

YES YESYes

IGE

PROJECT TITLE

NAVAL SUBMARINE BASE KINGS BAY, MAINTENANCE DREDGING,

ENTRANCE CHANNEL, CAMDEN COUNTY, GEORGIA & NASSAU

COUNTY, FLORIDA

Original Government Estimate Great Lakes Dredge and Dock Company

LLC

Y/3 M

SOLICITATION NUMBER: W912EP26BA002

NAME AND TITLE OF CERTIFYING OFFICIAL:

BIDDERS (Continued)

Signature

Manson Construction Company Weeks Marine Inc.

Y/3M

TOTAL BID (LINE ITEMS 0001 THROUGH 0027)

APPARENT LOW Manson Construction Company $22,755,475.00

BID ABSTRACT- CONSTRUCTION DATE ISSUED DATE CLOSED

I CERTIFY that I have opened, read, and recorded on this abstract all offers received in response to this solicitation: ->

ISSUING OFFICE

July 10, 2025 August 12, 2026

USA ENGINEER DISTRICT, JACKSONVILLE

PRUDENTIAL OFFICE BUILDING

701 SAN MARCO BLVD

ATTN: CESAJ-CT

JACKSONVILLE FL 32207-8175

	2026-08-12T15:10:48-0400
VOICU.MANUELA.DELIA.1237779084

File details come from the government source that posted it. Updated Aug 12, 2026.