PB 26-12 Addendum No 3 October 7, 2026

BOARD OF COUNTY COMMISSIONERS

PALM BEACH COUNTY, FLORIDA

PALM BEACH COUNTY DEPARTMENT OF AIRPORTS

PROJECT NAME: DJT Airfield Vault Building Expansion

PROJECT NUMBER: Department of Airports Project No. PB 26-12

ADDENDUM NUMBER 3

Date of Issue: October 7, 2026

This addendum modifies or interprets the proposal documents by additions, deletions, clarifications, corrections, or other type of modifications. Addenda will become part of the Contract Documents.

Proposers, upon receiving addenda, shall insert same into the Proposal Documents.

It is required that Addendum Number 3 be signed in the Acknowledgement of Receipt below and attached to the Proposal and become part of the Proposal.

Acknowledgement of Receipt of Bidder

ADDENDUM NO. 3

This addendum includes the following:

1. General:

NOTICE: Any Documents not specifically associated with the PB 26-12 DJT Airfield Vault Building Expansion procurement downloaded via the PBC VSS portal are to be deleted and removed and are not to be considered for the PB 26-12 Bid.

2. Project Manual:

2.1. Technical Specifications Section 10 40 00 – Interior and Exterior Signage and Graphics: ADD Section 10 40 00 Interior and Exterior Signage and Graphics dated October 7, 2026, Addendum No. 3. (Attached) New Specification Section added.

3. Contract Drawings: No Changes

4. Bidders’ Questions:

4.1. Question: Is concrete sealer required for the entire

vault floor (existing and new) or only the new addition slab? Spec section 09 90 00 subsection 3.4(F) does not specify the extent.

a. Response: Yes, existing and new concrete slabs shall be prepared for new concrete sealer.

4.2. Question: Please advise the location(s), quantity, and

spec of the building interior signage, as noted as Line Item 23 on the bid form.?

Response: Provide new interior wall signs at mechanical door number 102A. Furthermore, provide new exterior wall signs at the following door numbers 100A, 100B, 100C, and 101A. All new signed shall be per attached PBC Interior and Exterior Signage Graphics Specification Section 10 40 00.

The.

4.3. Question: Wall Type 1 on sheet A-16 notes to fill

existing and new CMU cells solid with Owens Corning Foamular NGX 250. However, the specified product is board insulation, not foam insulation. Please advise if Core- Fill 500 is a suitable product to fill the existing and new

CMU.?

Response: Yes, the use of Core-Fill 500 is acceptable for Foam Insulation per detail 1/A-16.

5. This Addendum includes the following attachments:

5.1. Section 10 40 00 Interior and Exterior Signage and

Graphics dated October 7, 2026, Addendum No. 3.

END OF ADDENDUM 3

SECTION 10 40 00 – INTERIOR AND EXTERIOR SIGANGE GRAPHICS

President Donald J. Trump International Airport October 7, 2026 Electric Vault Building Expansion Addendum No. 3

SECTION 10 40 00 – INTERIOR AND EXTERIOR SIGNAGE AND GRAPHICS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Interior and exterior room signs and identification signs.

1.02 SUBMITTALS

A. Submit shop drawings listing sign styles, lettering and locations (installation plan), and overall dimensions of each sign.

B. Submit sign schedule outlining each sign location including room #, room name, type, size and any additional signs required by code, program or architect.

C. Submit sample of each sign type, with specified colors and lettering.

1.03 SYSTEM DESCRIPTION

A. Signage package shall meet the requirements of the Americans with Disabilities Act - 1990 Accessibility Guidelines for Buildings and Facilities and ANSI A117.1

- 1992.

B. Refer to PPM (FDO 29 Updated)

PART 2 PRODUCTS

2.01 MANUFACTURER- signs.

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following (or pre-approved equal):

1. ASI-Modulex, Inc.

2. Baron Sign Manufacturing

3. Desk & Door Name Plate

4. Approved equal

B. Signs shall have the following characteristics:

1. Accessibility signage, room identification, and life safety signage shall contain tactile characters/symbols and shall be raised 1/32 inch from sign plate face and be according to ADA/ANSI/FBC.

2. Room #s shall be accompanied by Grade 2 Raster Braille.

3. Proportions, height, finish, contrast, and locations to be according to accessibility requirements, ADA/ANSI, and this section.

2.02 SIGNAGE

A. Interior signs shall consist of a ½” deep anodized brushed silver frame with Masonite backers and brushed silver laminated plastic inserts with applied laser-or die-cut text and/or symbols; engraved characters are unacceptable.

B. Exterior signs shall consist of a ½” deep anodized matte black frame with acrylic backers and a phenolic panel approximately 1/8" thick utilizing a type carving process to blast away background material leaving raised elements as an integral part of the sign.

C. Workstation signs shall consist of .032” brake-formed mill finish aluminum with a brushed silver laminated plastic overlay and black die-cut vinyl copy. Sign corners are to be ½” radius.

D. Directional signs shall consist of .25” thick high density closed cell PVC foamboard in black with a digital print applied over. These will be installed as wall mount or ceiling mount. Mounting hardware is to be in a stainless finish exposed trim and cable.

E. Lettering style shall be black 1/32” raised upper case sans serif letters in the

“Helvetica Bold” font for room names and room numbers.

F. Sizes of letters and numbers shall be as follows:

1. Room numbers shall be 3/4" high.

2. Lettering for room usage and directional identification shall be 5/8" high.

3. Lettering for restroom identification shall be 5/8" high, corresponding symbols shall be 4" high.

5. Lettering for workstation identification shall be 1 ½” high.

6. Lettering for code required signage shall be 1” high.

F. Letters and numbers shall be centered on room name, room number, “In Case Of

Fire”, “No Storage” and “Maximum Occupancy” signs. Letters and symbols shall be centered on restroom signs. Numbers shall be 5/8” flush from left edge on restroom signs.

H. Grade 2 braille [for signs requiring braille] shall be placed directly below last line of numbers on room signs or letters on restroom signs. Provide letter certifying Braille is correct.

I. Background Colors:

1. Provide the following signage with a brushed silver laminated plastic background with contrasting black text/symbols:

a. Interior room signs.

b. Interior restroom signs.

c. Workstation signs.

d. “IN CASE OF FIRE, DO NOT USE ELEVATOR. USE STAIRS.”

signs.

2. Provide the following signage with a painted brushed silver background with contrasting black text/symbols:

a. Exterior room signs.

b. Exterior restroom signs.

3. Provide the following signage with a silver laminated plastic background with contrasting white text/symbols:

a. “STORAGE NOT PERMITTED” signs.

b. “MAXIMUM OCCUPANCY” signs.

c. Other code required signs.

4. Provide the following signage with a digital print of black background with silver directional arrows, names and trim at top.

a. Directional Signage

2.03 SIGN SIZE

A. Interior signs:

1. Room with number and name - 8” x 8”.

2. Restroom - 8” x 8”.

3. Room number only - 3 x 8”.

4. Workstation signs – 5” x 10” (2-1/8” inside dimension).

5. “IN CASE OF FIRE” - 8” x 8”.

6. “NO STORAGE PERMITTED” - 3” x 8”.

7. “MAXIMUM OCCUPANCY” - 3” x 8”.

8. Directional signage to be determined by project needs.

B. Exterior Signs:

1. Room with number and name - 8” x 8”.

2. Restroom - 8” x 8”.

3. Room number only – 3” x 8”.

4. Building address – minimum 8” or as code requires.

PART 3 EXECUTION

3.01 EXAMINATION

A. Examine installation areas to insure that proper conditions exist for timely completion of installation.

3.02 PREPARATION

A. Verify that mounting locations and height for each sign will comply with ADA Accessibility Guidelines.

B. Mounting locations should be smooth and free of all dirt, dust, grease, etc.

3.03 INSTALLATION

A. Interior signs:

1. Mount frames level and plumb mounting hardware of counter-sunk screws and wall anchors. Sign panel to be attached to frame with vinyl foam tape.

2. Caulking may be needed on any textured walls, locations requiring caulking should be identified and approved by FDO prior to installation.

B. Exterior signs:

1. Mount frames level and plumb using mounting hardware of counter-sunk screws and wall anchors. Sign panel to be attached to frame with vinyl foam tape.

2. Use silicone adhesive and/or caulking as needed on exterior walls.

C. Remove excess adhesives, etc. from exposed sign surfaces as recommended by adhesive manufacturer. Clean sign surfaces as needed.

3.04 WARRANTY

A. All signs should remain free of defects in workmanship and materials for a period of 5

(five) years from date of installation.

B. All paint finishes warrantied for a period of 5 (five) years from date of substantial completion.

Signage Schedule Example Attached Page 5

Signage Drawing Standards Pages 6, 7, & 8

Signage Schedule Attached Page 9