Addendum_2_-_IFB_26-013-DN_wAttachments.pdf

DATE: April 6th, 2026

TO: All Interested Bidders and Other Interested Parties

FROM: Daniel J Nickols, PE – Associate Vice President, AVCON, Inc.

The City makes the following changes, additions, deletions, information, and/or clarifications and now considers the addendum a part of the IFB Document. Bidders must acknowledge receipt of this addendum by indicating receipt in the space provided on the Proposal Bid Form. If the bidder has already submitted the Proposal Bid Form to the City’s Procurement Division, the Bidder should revise their electronic submission to include this addendum. In any case, the submission of a bid is an acknowledgment of receipt of the addendum. The City will construe all bids received as though the

Bidder has received and acknowledged the addendum.

The pre-bid meeting minutes and pre-bid sign-in sheet are included as an attachment to this addendum.

Below is the City’s reply to RFIs (Request for Information – a/k/a bid inquiries or questions) submitted by interested parties by the posted deadline to submit RFIs.

Q1. Please advise if the Higher Power hydraulic hangar doors are intended to be hot-dipped galvanized. DCP 08 36 19 item #4 indicates the finish to be factory-prime, field-painted;

however, spec section 08 36 19 references a galvanized zinc coating. Higher Power typically charges an additional cost for the hot-dipped galvanized option.

A1. Finish to be factory primed, field painted.

Q2. In regard to Addendum #1 Question #12 response: Is the intent for there to be (4) separate electric services for the (4) hangar units, as well as (1) common House Panel that will service the exterior lighting and power needs not specific to the four units? The DCP somewhat references this, but it isn’t entirely clear. Can the DCP be revised to specifically state the individual metered units rather than specifying a 1,200-amp MDP?

A2. Owner has revised direction to the following: The hangar building will be provided with a

1200amp total capacity main (208V/120V, 3Ø, 4-wire) to an exterior mounted service rated disconnect and wireway. The wireway shall serve individual meters and disconnects for four

(4) tenant spaces and a house panel (5 total at 200 amps each). Feeders shall be provided from this exterior mounted wireway to interior panels in each tenant space (200A 208/3ph each). The house panel may be exterior mounted at 200a as well. All exterior lighting and power needs will be supplied by the house panel. Power devices and lighting in each hangar space will be powered via the associated sub-panel located within the space.

IFB 26-013-DN

Commercial Hangar Building

Addendum No. 2

Q3. In regard to Addendum #1, Question #11: Is there a minimum size oil/water separator that is to be required? Is there a basis of design for the separator that we can research and include?

A3. Sizing will be predicated on floor area served per drain per FPC 1003.4.2.2. A good basis of design (sizing to be adjusted as required) is Zurn 1188-450-E-HD.

Q4. Item Number 19 on the Bid Form is a bit confusing when looking at SP-01 specification in the

Project Manual. Under SP-01-5.1, the DDCV is listed as an Allowance however, on the Bid Form, it shows a Qty of 1 Ea. Does the $20,000 allowance include this DDCV & associated work? Does the allowance include the wet tap? Please provide further clarification on the SP-01 Allowance criteria vs what the GC is supposed to include in the other SP-01 bid items.

A4. The allowance is intended to cover costs levied by the City or AHJ for assistance with potable water installations including inspections, oversight, testing, monitoring or self-performance of portions of the work at the AHJ’s discretion.

Q5. Can you please advise what work the SP-03 Allowance of $50,000 is supposed to include? Is the allowance supposed to be for work separate from Bid Item Numbers 11 & 12 from the Bid

Form? Please advise.

A5. The allowance is intended to cover costs levied by the City or AHJ for assistance with the sanitary sewer installations and connections to the existing sewer. Specifically, this allowance shall cover costs incurred by the City or AHJ to oversee the connection to the existing gravity sewer main. Due to recent simplification of scope for the sanitary sewer installations, the allowance shall be reduced from $50,000.00 to $5,000.00. The cost of cleanouts, connections, bends, elbows, Y’s, and other appurtenances shall be incidental to the cost of the 4-inch and

6-inch sewer lateral line items.

Q6. Please confirm the gable-style roof is acceptable for the hangar per DCP. The most recently completed box hangars at KLEE are a single-slope roof style, not gable .

A6. Owner has confirmed that a single-sloped roof is preferred to match the existing surrounding hangars. Roof shall be sloped from front to back. A gutter and downspout system shall be included and direct connections to adjacent stormwater infrastructure shall be provided.

Slopes and elevations shall be field coordinated.

Q7. Will the house panel be 100amp, can we feed it from the transformer with XHHW aluminum feeders? Will one exterior 120v 20amp GFCI receptacle be sufficient located under the house panel? We already know the voltage will be 120/208v three phase.

A7. It is acceptable to utilize aluminum conductors for main panel feeders. All branch circuiting shall be copper. All conduit and conductors shall be sized in accordance with NEC compliance.

House panel size shall be minimum 200a.

Q8. How many exterior wall packs will be needed to feed from the house panel, and locations, what wattage and cut off is required, will they be photocell or time clock controlled?

A8. Please see narrative: “Aircraft Hangar Building exterior lighting fixtures shall be LED wall packs installed above each personnel door with emergency backup options available and around the perimeter of the Aircraft Hangar. Exterior lighting fixtures shall be controlled by an astronomical time clock located outside of the building in a NEMA 3R enclosure.”

Contractor shall assume that 10 additional wall pack lights will be installed around the perimeter of the building, in addition to the wall pack lighting over the personnel doors.

Q9. What size do the (4) interior electrical panels need to be 100amp, 150amp or 200amp?

A9. Owner has revised direction to the following: The hangar building will be provided with a

1200amp total capacity main (208V/120V, 3Ø, 4-wire) to an exterior mounted service rated disconnect and wireway. The wireway shall serve individual meters and disconnects for four

(4) tenant spaces and a house panel (5 total at 200 amps each). Feeders shall be provided from this exterior mounted wireway to interior panels in each tenant space (200A 208/3ph each). The house panel may be exterior mounted at 200a as well. All exterior lighting and power needs will be supplied by the house panel. Power devices and lighting in each hangar space will be powered via the associated sub-panel located within the space.

Q10. Can we use XHHW aluminum on the hanger tenant service laterals and panel feeders?

A10. It is acceptable to utilize aluminum conductors for main panel feeders. All branch circuiting shall be copper. All conduit and conductors shall be sized in accordance with NEC compliance.

Q11. Please provide a part number for the aircraft grounding terminal. One for each hanger, also can we tie to footer steel with them or do we need to take our grounding wire back to the service ground. Also what size of copper conductor do we need to run to each grounding terminal?

A11. Catalog# B165R, Nvent Erico Aircraft Grounding Receptacle with Ball Stud, 4-1/2”, removable

5/8” ball stud or approved equivalent. One shall be provided within each hangar space.

Grounding conductor shall be #2 AWG Solid Copper Counterpoise. If ground rods are utilized, the impedance to ground of each ground rod shall not exceed 25 ohms prior to establishing connections to other ground electrodes or equipment. The fall-of-potential ground impedance test shall be utilized, as described by ANSI/IEEE Standard 81, to verify this requirement.

Ground rods testing higher than 25 ohms shall have a minimum extension of ten (10) feet of ground rod added, driven to the proper elevation and re-tested. Extensions shall be attached by exothermic methods and re-testing performed until the tests show 25 ohms resistance or less. Tests shall not be performed within 72 hours after a rainstorm has ended or when standing water is present around the ground rod.

Q12. What are the electrical requirements for the hanger door motors, also do we need to provide

120v control wiring and up/down button or will they be low voltage and the control button be provided by the door company.

A12. The basis of design is a “Higher Power Hydraulic Door”. Higher Power Hydraulic Doors utilize

208, 240, or 460 VAC, and voltages may be single or three phase. Door control is provided as an integral component of the Higher Power Hydraulic Doors.

Q13. Where will the fire sprinkler monitoring panel and flow and tamper be located?

A13. The location of the panel shall be coordinated on site.

Q14. Will each bathroom get a 20amp single pole circuit for a insta-hot?

A14. Coordinate with owner on exact make/model of water heaters and provide power as required. Options for both POU insta-hot EWHs and tank type are provided.

Q15. Will each bathroom get a 20amp GFCI receptacle?

A15. Yes

Q16. Will a hand dryer be required for each bathroom? if so will a 20amp single pole circuit be sufficient?

A16. Yes. Any power provided shall be coordinated with specific items designed/purchased.

Q17. Will the interior hanger lighting be UFO style fixtures?

A17. Per Narrative:

“In general, lighting will be by LED fixtures. The average maintained foot-candle levels for calculations shall be designed to be between 75 and 100 foot-candles. For areas other than the aircraft storage area or maintenance, the IES Handbook will be used for acceptable levels of illumination.

Fixtures shall be controlled with multi-level switching and occupancy sensors to comply with

Section 505 the 2023 Florida Building Code: Energy Conservation. Specific fixtures shall be as follows:

• Utility areas will have surface or pendant mounted LED 4’ industrial type fixtures with wire guards.

• Utility areas with lighting fixture mounting height of 15ft or higher shall utilize LED 2’x2’ high output high bay lighting.

• Emergency lighting and exit signs will be provided as required by Section 1006 Means of

Egress Illumination and Sign of the Florida Building Code.

• Flammable storage rooms shall have explosion proof compact LED light fixtures, is applicable.”

Q18. Will the hanger interior lighting need to be occupancy controlled as well as the bathrooms?

A18. See A17 above.

Q19. Please let us know of any specialized circuits such as welders, air compressors, and exhaust fans for the hanger bays.

A19. Question to be addressed with Addendum #3.

Q20. If exhaust fans for the hanger bays are required, how will they be controlled, thermostat or switch and who will be suppling and installing them?

A20. An exhaust fan is required for each bathroom. Additional exhaust fans for the hangar bays are not a requirement of this bid.

Q21. Will an interior fan be needed for the hanger bays such as manufacture “BIG ASS FANS” if so who will be suppling and installing them, and please if needed give us the part numbers for the units.

A21. No.

Q22. How many interior 20amp GFCI duplex receptacles are needed and please provide locations for them. Will the demising walls between hanger units be drywall.

A22. Basis of design shall be 10, 20amp GFCI deuplex receptacles per unit. Drywall is an acceptable material for demising walls.

Q23. Is a Florida Certified Building Contractor License acceptable? If not, could you please explain why?

A22. License requirements within Florida Statutes, Section 489 will govern.

Q23. In the Project Manual and General Specifications the Hydraulic Door is noted supports a 55' wide x 15' high clear opening. 2.8 of section 13 24 19 of the Project Manual notes the Hydraulic

Door shall be 45' x 15' high for clear opening. Please confirm the required clear opening dimensions of the 4 hydraulic doors, height and width.

A23. Hangar hydraulic doors shall be 55' wide x 15' high clear opening.

Q24. Will Builder's Risk insurance be required? If yes, any deductible requirements?

A24. No.

Q25. Please confirm whether an Engineer’s Estimate and/or a proposed project budget has been established for this project. If available, please provide the amount or range.

A25. To ensure a fair and competitive bidding process, the project budget and engineer’s estimate will not be shared. Bidders should rely on the provided documents and their professional judgment in preparing submissions.

Q26. Will this project be permitted through city of Leesburg and/or Lake County and will Prime

Contractor be required to provide State of Florida signed and sealed project design documents for all items listed in subject line. Previous response item 3 only states that the pre-engineered metal building design and shop drawings be provided.

A26. Permitting shall be through the City of Leesburg. State of Florida signed and sealed documents shall be required for the building permit application. Civil and utility installations have been separately coordinated through the City of Leesburg.

Q27. Can you please tell me where to locate the DEBARMENT, SUSPENSION AND OTHER

RESPONSIBILITY MATTERS CERTIFICATION FORM”

A27. On the OpenGOV procurement portal, Section 4.10 “Debarment, Suspension, and Other

Responsibility Matters Certification” has been updated to state that by submitting a bid and signing the Proposal Bid Form, the contractor certifies that neither it nor its principals are debarred, suspended, proposed for debarment, declared ineligible, or voluntarily excluded by any Federal agency. Submission of the bid constitutes affirmation of this statement; no separate form is required.

Q28. Who is responsible for permit and impact fees?

A28. Permit and impact fees shall be paid by the Contractor and reimbursed by the Owner.

Q29. Where are the locations of the HVAC fans?

A29. Please see mechanical narrative for restroom exhaust direction and coordinate with owner on any other fan details.

Q30. What is the extent of the plumbing work?

A30. Please refer the DCP narratives on basic design information. Detailed information shall be coordinated with the owner as this is a DCP design/build project, and not a full design, bid and build.

ACKNOWLEDGMENT - Addendum No. 2

Company Name

Signature of Officer

Type/Print Officer's Name & Title

Non-Mandatory Pre-Bid Conference – Meeting Minutes for

Leesburg International Airport (LEE) – Commercial Hangar Building

ITB No. 26-013-DN

Date: March 30th, 2026 @ 2:00PM Location: Leesburg International Airport, 8807 Airport Blvd., Leesburg, FL 34788

Sign in & Introduction.

Receipt of Bids: Sealed bid proposals for the construction of the Commercial Hangar Building project will be received until 10:00 a.m. on Thursday, April 23rd, 2026 via the City's e-Procurement Portal, OpenGov, found at https://procurement.opengov.com/portal/leesburgflorida/projects/245678. Electronic bids will remain locked until the time of bid opening. The bid opening shall take place as a live video conference on Thursday, April 23rd, 2026 @ 10:00 a.m. Bidders may contact the Sue Finney (sfinney@avconinc.com) to obtain information to view the live bid opening. The bid tabulation shall be posted within 48 hours of the bid opening.

The information is also located on the City’s eProcurement Portal, OpenGov and listed below for reference.

https://us02web.zoom.us/j/87391159198?pwd=hZBN7rnsvvUP1BAF3cbdEJEZViYAvo.1. Meeting ID: 873

9115 9198. Passcode: 647400.

Inquiries/Questions must be submitted in writing via the City’s e-Procurement portal, OpenGov, on or before, Tuesday, April 7th, 2026 @ 5:00 p.m. When asking questions, please be sure to enter each question separately.

Final Bid Addenda shall be issued no later than Friday, April 10th, 2026 @ 5:00 p.m.

Project Overview – The City of Leesburg seeks to secure the services of a qualified General Contractor who is licensed and certified in the State of Florida. The Contractor will be responsible for providing all necessary labor, equipment, tools, materials, supplies, and other related items for the construction of the 14,400 square foot, 4-unit, Commercial Hangar Building and associated site work, located at the Leesburg International

Airport, in accordance with the plans, specifications, and design criteria package outlined in this Solicitation.

The commercial hangar is a delegated design. The Contractor shall meet or exceed all requirements detailed in the plans, specifications, and the architect’s design criteria package, located within the bid specifications package.

This is a towered airfield. Safety is of the utmost importance. Aircraft always have the right-of-way.

Contractors shall not access any active movement area without prior permission and coordination with Owner, Engineer, and ATCT. If access to the movement area, outside of an active work area, is required then the Contractor must request the access in writing and have the request approved in writing by the Owner or Engineer prior to accessing any active airfield area.

o This project takes place entirely within the non-movement area. Barricades must be in place prior to the start of any work, and the Contractor shall yield to aircraft at all times.

o Radio Communication with the Tower is not required or necessary for this project unless otherwise communicated by the Owner, Engineer, or ATCT Manager.

Operational Safety – Special attention shall be directed to the requirements of the Construction Safety

Phasing Plan and Details in the Bid Drawings.

Site Access shall be through an existing access gate via Echo Drive. The awarded bidder will be provided with a unique gate access code. All contractor and subcontractors will be required to use this access code for accessing the site. The gate must close behind all construction traffic prior to proceeding. Piggybacking is not allowed, and failure to wait for the gate to close behind you can result in permanent removal from the

Airfield. Regardless of the access point utilized for the project, the Airfield shall stay secured at all times.

Protection of facilities and equipment – Unless specifically marked for removal, or as directed by the engineer, all facilities and equipment on the airfield shall be protected in place. Any damage to existing facilities or equipment shall be repaired by the Contractor at no expense to the Owner.

This project includes utility/electrical work:

It is the responsibility of the Contractor to ensure that unscheduled interruptions to utility or power services are not interrupted without prior coordination and approval from the AHJ.

The City of Leesburg is the AHJ for the Water, Power, Reclaimed Water, Sewer, and Gas

CenturyLink is the AHJ for the Communications Infrastructure.

No impacts to the Reclaimed Water Lines or Gas Lines are expected with this project.

Close coordination with the City of Leesburg Utilities Department will be required for this project.

The project duration is 150 calendar days from the issued Construction Notice to Proceed. Please refer to the Construction Safety and Phasing Plans for more information regarding the specific requirements of the project and the specific operational restrictions for each work area and phase.

A Notice to Procure or Limited Notice to Proceed may be issued upon request by the awarded bidder to allow time for shop drawing review and material procurement and delivery to the site.

The Construction Notice to Proceed (which starts the 150 calendar day schedule) shall be issued once adequate materials are on hand and the awarded bidder is prepared to start the project.

Minimum 24 hours’ notice shall be provided to the Owner and the RPR ahead of any planned working days on site. The Engineer/RPR must be present for all critical work items (concrete, asphalt, utility connections, etc.)

Site Visit: A site visit is offered following the pre-bid meeting. No other site visits shall be provided unless requested and approved by the Owner in writing.

Questions? All questions asked shall not be answered at this time due to the non-mandatory nature of this meeting, questions MUST be entered within the OpenGov question and answer section to be answered.