IFB 41684_ Add_1_Final.pdf

DATE: November 21, 2025

TO: Interested Firms

FROM: Kendall Siemiatkoski, Contracts Manager

SUBJECT: Invitation for Bids 41684, Addendum 1 Burrell Dam Rehabilitation Project

Please be advised of the following regarding the subject Invitation for Bids:

1. The deadline for receipt of Responses is extended by two days, to 10:00 a.m. on December 19, 2025.

2. Question: The time frame for completion that you have listed in the bid document of 155 days is not feasible for this project. The construction time for this project is approximately 100 days short of previous similar projects and this time frame did not account for unforeseen work that always appear when dewatering an existing structure.

Answer: The District supports issuing an addendum to extend the in-water work to July 31, 2026, and extending the contract period to September 30, 2026.

3. Question: Please provide the geotechnical report for this project. this is necessary for developing a cost for the cofferdam system and dewatering.

Answer: Geotechnical boring were completed in the vicinity of the Burrell Dam during the 1977 construction. This boring information is included as drawing number 16 of the Greiner Engineering Burrell Lock and Dam New Water Control Structure plans previously provided. The District is currently acquiring additional geotechnical information immediately upstream and downstream of the Burrell Dam. This supplemental field boring information will be available to the respondents by December 12, 2025.

4. Question: Is there a way to maintain the water elevation upstream of the dam without by-pass pumping?

Answer: Yes, the Harris Bayou alleviates the need to use by-pass pumping.

5. Question: Could you provide a historic water level average for this site(both upstream and downstream)?

Answer: The USGS daily averages (in NGVD29) since 1/1/2000: Upstream 62.36’, downstream 58.57’ and since 1/1/2018: Upstream 62.97’, downstream 59.21’.

6. Question: Is there a laydown area where the material and equipment can be stored?

Answer: Yes

7. Question: Cofferdam note 6 states that care shall be taken not to disturb or injure adjacent structures.

How is this to be accomplished and are there any vibration restrictions?

Answer: No restrictions that the District is currently aware of. However, in the coffer dam design the contractor shall take into account known conflicts shown on the drawings and surveys provided with the bid documents, or shown in the geotechnical boring information provided.

IFB 41864

Addendum 1

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8. Question: Who will be the project manager and inspector for this project?

Answer: The project manager on the project will be Natrevia Gradney-Mitchell and the Engineer of Record is Robert Naleway. The project inspector(s) will be determined at a later date. All formal communication during construction should be through the District Project Manager. However, any questions during the solicitation process should only be directed to the District’s Contracts Manager, Kendall Siemiatkoski.

9. Question: Aluminum fence specified for this project is not readily available and typically has a long lead time. How is this to be handled if the delivery date is past the contract end date?

Answer: The District supports issuing an addendum extending the in-water work to July 31, 2026, and extending the contract period to September 30, 2026.

10. Question: What is the anticipated governing board award date?

Answer: January 13, 2026.

11. Question: Are there any work hour restrictions?

Answer: No, however any joint inspections with the District and Contractor should be scheduled during regular business hours Monday through Friday. All work activity will need to meet any local noise ordinance restrictions associated with Contractor obtained building permits.

12. Question: Overhead electrical lines (Duke Energy) buried prior to the commencement of the Work?

Answer: The District is actively working on burial of the overhead power lines with Duke Energy, this is anticipated to be completed before February 2026.

13. Question: Actuators, who is the original supplier? Some are refurbished, are you wanting a complete install of new equipment?

Answer: Limitorque is the brand of the actuators. Flowserve is the supplier.

14. Question: Boat barriers will be replaced, removal of the concreate piles, steal pile – galvanized or painting

Answer: As described in Scope Line items 25 and 26. The center concrete piles should be replaced with 2 new center steel piles upstream and downstream. The four existing shoreline concrete posts should remain in place.

15. Question: Can the concrete piles upstream be cut off at ground level or should they be fully removed?

Answer: The concrete piles should be fully removed and disposed of by the contractor.

16. Question: What material and coating requirements are required on the steel pile?

Answer: All steel and steel coating requirements are outlined in sheet S1 STEEL: notes section of the Issued for Bid drawings.

17. Question: For the floating boat barrier, are we to provide a new assembly and provide the old one to the District.

Answer: Refer to Scope Line items 11 and 26. These indicate that the floating safety barrier assembly are to be removed and disposed of by the contractor and replaced with new floating safety barriers.

18. Question: Sheet piles the Geotech will provide more information.

Answer: See answer to question 3.

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19. Question: Is the District open to alternative coffer dam systems?

Answer: Yes, it is based on the engineer’s design that is hired by the Contractor. There is an alternative to this structure used to manage water during construction to avoid work area flooding. No bypass, the District will provide bypass during construction. There is a 10-day period for overflow that the contractor will be required to provide daily rate for that overflow period.

20. Question: Capacity of the bridge?

Answer: It is included in the original Greiner Engineering drawing plans dated 1977.

21. A copy of the pre-bid meeting recording is available upon request.

22. A copy of the Bid Bond Form is attached to this addendum for convenience.

NOTE: Please acknowledge receipt of this Addendum in your submittal.

If you have any questions regarding this addendum, contact Kendall Siemiatkoski at (386) 312-2324 or via email at ksiemiat@sjrwmd.com.

mailto:ksiemiat@sjrwmd.com

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BID BOND FORM

ST. JOHNS RIVER WATER MANAGEMENT DISTRICT

STATE OF FLORIDA

KNOW ALL MEN BY THESE PRESENTS that ____________________________________, whose address is:

(“Principal”), and whose address is __________________________________________________________________________, (“Surety”), are held and firmly bound unto the St. Johns River Water Management District, whose address is 4049 Reid Street, Palatka, Florida 32177 (the “District”), in the Penal Sum of ________________________ _________________________dollars ($__________________) lawful money of the United States, for the payment of which we bind ourselves, our heirs, executors, administrators, and successors, jointly and severally.

THE CONDITION OF THIS OBLIGATION IS SUCH, that whereas Principal has submitted the accompanying bid for Bid 41684, Burrell Dam Rehabilitation Project, which is scheduled to be opened on December 17, 2025.

NOW, THEREFORE, if Principal shall not withdraw this bid within 90 days after date of bid opening and shall within ten days after the prescribed forms are presented to him for signature, enter into a written contract with the District, in accordance with the bid as accepted, and shall give such bond or bonds as may be specified in the contract documents, with good and sufficient sureties, as may be required, for the faithful performance and proper fulfillment of the contract and give such bonds within the time specified; and, if Principal shall pay the District the difference between the amount specified in bid and the amount for which the District may procure the required work supplies, if the latter amount be in excess of the former, then the above obligations shall be void, and of no effect, otherwise to retain in full force and effect.

The Surety, for value received, hereby stipulates and agrees that the obligations of said Surety and its BOND shall be in no way diminished, impaired, or affected by any extension of the time within which the District may accept such Bid, and said Surety does hereby waive notice of any such extension.

IN WITNESS WHEREOF, the parties have executed this statement under their several seals this ______ day of ___________________, 20_____, the name and corporate seal of each corporate party being affixed below and this statement being signed by his representative, pursuant to authority of its governing body.

Signed, sealed and delivered in the presence of:

PRINCIPAL By:

(Official Title) (typed name) (SEAL)

SURETY By:

(Official Title) (typed name) (SEAL) NOTE: If Principal and Surety are corporations, the respective corporate seals should be affixed and attached. Attach a certified copy of Power-of-Attorney appointing individual Attorney-in-Fact for execution of bid bond on behalf of Surety.