ADDENDUM 1 - RFI and Coring Change R2.pdf
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- Attached to
- F-35 Jet Blast Deflectors Federal contract opportunity
- Solicitation number
- FA667524R0003
About this file
This document is an Addendum to a Request for Information (RFI) for the F-35 Jet Blast Deflector (JBD) Improvements project at NAS Ft Worth JRB. The addendum changes the foundation requirements, allowing the contractor to use drilled cores with smaller amounts of concrete removal rather than full concrete removal along the north and east sides of the project. The RFI questions and responses address fabrication of the JBDs, existing concrete curb removal, and striping/security line requirements. The related federal contract opportunity is for the demolition of F-16 JBDs and construction of new F-35 JBDs, with a pre-proposal conference/site visit scheduled for July 30, 2024 and a deadline for Requests for Information (RFIs) or other questions of August 2, 2024.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Solicitation Amendment FA667524R00030001 SF 30.pdf | ||
| ADDENDUM 1 - RFI and Coring Change.pdf | ||
| Solicitation - FA667524R0003.pdf | ||
| DOL Wage Determination 2015-5231 Rev 2023.pdf | ||
| Corrected Final - Drawings.pdf | ||
| Corrected Final - Design Specifications.pdf | ||
| Corrected Final - Design Narrative.pdf | ||
| RFI -RFC FORM.pdf |
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Text version
Soli# FA667524R00030001 F-35 Jet Blast Deflector (JBD)improvements, NAS Ft Worth JRB
AUGUST 5, 2024
ADDENDUM NUMBER 1 – Coring Specifications Change
The original specifications and drawings for the F-35 Jet Blast Deflector, (JBD) Improvements, NAS Ft Worth, JRB, for the project noted above are amended as noted in this Addendum No. 1.
Receipt of this Addendum shall be acknowledged by inserting its number and date in the space provided on the Bid Form.
ADDENDUM NO. 1
NOTE TO ALL PLANHOLDERS: Please insert this Addendum into your copy of the Contract Documents for the above-named project.
The following changes to the Contract Documents are issued by the CONTRACTING OFFICER and shall have the same force and affect as though a part of the original issue.
ITEM NO.:
ADD 1.1 Specification Section 37 73 19 – JET BLAST BARRIER/DEFLECTOR FOR HIGH TAXI/BREAKWAY VELOCITIES is changed as follows:
Item 1.3, subparagraph c, change the wording to read, “The contractor shall change the foundation details on the drawings and framing system as determined by the manufacturer along the north and east side of the project. The intent of Addendum 1 is to make drilled cores with removal of smaller amounts of concrete as the primary support for the deflectors as long as the sections within 1.3 – Submittals are adhered to. Any option selected by the Contractor will be as per Section 34 73 19. Minimum requirements for any foundation method must be a minimum of 12” in diameter by 24” deep, or the foundation section will be a minimum of a 12” x 12” square section 24” deep. This change will eliminate the need for removal of the existing concrete along the north and east side of the project.
The east side of the project remains as shown on the drawings and specifications.”
THIS ADDENDUM SHALL BE ATTACHED TO AND MADE A PART OF THE DRAWINGS AND SPECIFICATIONS AND SHALL
BE ACKNOWLEDGED WITH THE BIDDER'S PROPOSAL.
RFI QUESTIONS AND RESPONSES
1. The listed recommended JBD manufacturer is Blast Deflectors, Inc., or the approved equal. Can the JBD be fabricated by another fabrication shop as long as it meets specification requirements?
a. The JBD’s can be fabricated by another shop. That shop or “manufacturer” will need to meet /perform all the requirements required in the specifications.
2. Does the existing concrete curb need to stay or can it be removed?
a. This RFI is voided by the addendum 1 of the specifications change to coring as addressed above.
3. For the striping on the taxiway, and security line there are no distances. Can you provide the measurements needed?
Soli# FA667524R00030001 F-35 Jet Blast Deflector (JBD)improvements, NAS Ft Worth JRB
AUGUST 5, 2024
a. New Apron edge lines approx. 50 feet (connect 2 existing lines) Removal of approx. 1000 feet of existing apron edge lines Red security line and warning signs will need to be replaced if they are removed or damaged. This will depend on the contractor’s design for the construction. If all of the concrete was removed on the north side there would be approx. 750 feet of red security line, 10 warning signs, and 2 ECP markings.
4. For the warning sign, is it a restripe, or brand-new striping?
a. If a warning sign is removed it will need to be replaced. There are not any additional (new) signs required
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