Exhibit 4_RFI Question_Answers_Photos.pdf

RFI’s Questions & Answers

#1. Is the intent to raise the HVAC units and reinstall them to support to roofing demo and new roof install or are you wanting them removed and replaced with new HVAC curbs and units?

If the HVAC units are removed by the contractor, the existing units will be retuned to where they were removed from.

#2. There is a specification section calling for the existing TPO roof to be coated with silicone. There is no existing TPO roof on this property. Is the 2,500 square foot white coated built up area what was being referenced?

Yes it is the existing white coated area that is requiring the silicone.

#3. Are there any air side training requirements suck as FOD awareness or other special training required to gain access to the site?

No special training is required to gain access to this site; however face masks and social distancing are required as long as there is a threat of COVID19.

#4. Will there be any FAA requirements that the contactors must carry for use of a crane to load materials and equipment or will that be taken care of by the COR?

The Contractor will be required to coordinate with the COR and Jeffrey Tripp, Airport Manager prior to using any cranes.

#5. Can you please confirm that you only want 340 ln ft of walk pad. We measured about 750 existing walk pad.

I did varify that the walking pads to total 751 feet.

#6. -Since there is only one roof system on the building currently can we install a TPO roof over the existing system?

There are several “Spongy” spots that require repair but an overlay would be acceptable.

#7. -Just confirming that no HVAC's are to be replaced, just raised to install the new roof and set back into place?

If HVAC are required to be removed to do the repair, we are requesting that the existing units be put back where they were removed from.

RFI 1) In the solicitation under 52.228-1 Bid Guarantee (paragraph c) does not provide an amount for the bid bond. Is a bid bond required, if so, how much? Do we submit with the bid the bid bond or do we have it sent fedex before the bid and if fedex where do we have it set to? No Bid Guarantee required – Box 13.b. is marked not required.

RFI 2) In the Solicitation under 52.236.1 Performance of work by the contractor. There is no percent required to be performed by the contractor. Please advise on the percent that is to be performed by the contractor, if any. Minimum requirement by SBA, which is normally 15%.

RFI 3) In Solicitation under 52.236.7 Contractor shall be responsible for all necessary licenses and permits. Will this project require city/state inspections? A small permit application is required and can be found at http://www.prescott-az.gov/business-development/building-permits/ Please contact Jeff with the City Airport at (928) 777-1114 at the start of the project and when/if you will be using cranes

RFI 4) In Solicitation under 52.222.23 Notice of Requirement for Affirmative Action to ensure equal employment opportunity for construction does not provide goal (if any) for minority or female participation. Please advise if goals are to be achieved under this RFP. No special requirement to this project than the standard.

RFI 5) IN Solicitation under Section M 2.0 Factor b. States to provide specific information to gain a better understanding of the requirements of bridge construction, that documents and address your firms experience and capability, and bullet point (2) “Construction of new road embankment over existing road and new culvert.” The scope of work does not mention any bridge or road work, please advise. Will be removed from Solicitation, RFI 6) SOW Section 4 Item L states to replace all HVAC and evaporative cooler units. Are these new units, if so do you have specific requirements for the replaced units, or are they to be replaced like for like?

If HVAC units are to be removed to do the roof work, the EXISTING units are to be put back where they were removed from.

RFI 7) What is the RFI submission cut off date and when will the RFIs be answered?

RFI should be received no later than Thursday 9/10/2020 and should be answered no later than 9/15/2020

RFI 8) The existing lightning protection will have to be removed in order to replace the roof. Will the re-install of the lightning protection require Certification, if so to what standard?

As long as it meets the electrical code and is approved by the COR.

RFI 9) what is the existing roof deck material?

Please see photos of the Core Sample

RFI 10) There are gas lines and valves on the roof that will have to be removed to install the new roof.

Will the gas lines need to be replaced with new or are we to reuse the existing gas lines and valves?

Existing valves and lines maybe reused as long as they are not damaged during removal.

RFI 11) the existing electrical systems on the roof seem to be out of code compliance. Will electrical upgrade be required to bring the system up to current code?

NO

RFI 12) Will the USDA accept an overlay of new TPO roofing on the existing TPO roofing?

There are several spots that are "spongy" and we do request that these are repaired but an overlay is acceptable otherwise.

RFI 13) What license is required to bid on this project? The SOW has Roofing, but there is Electrical, HVAC, lightning protection, and plumbing involved. Is a KB license required?

A KB license is not required; however a commercial contracting license is required

RFI 14) What controls system is being used to control the existing HVAC equipment. Is the existing controls being managed by a independent contractor, if so please provide contractor information to coordinate new/reused HVAC equipment.

HVAC units are controlled by programmable thermostats located within the building.