Question and Answers From Site Visit on 5-7-26_ W91ZLK-26-R-A006 v3.docx

Questions asked during Site Visit on 05/07/2026

1. What information on the wall will be Supplied? i.e. Material that makes up and Floor. What are the construction materials of the walls and floors? Walls are drywall and floor is concrete.

2. What is the percentage of the wall and floor in reference to the square footage? Square footage includes floor only.

3. Thickness of Epoxy? The thickness of the existing epoxy is unknown.

4. What is the required height of the epoxy cove base on the walls? 4 inches

5. Clarify the number of wall(s) that requires Epoxy coating and in which locations? All walls will need only the 4” cove base portion of the wall to be coated.

6. How old Is the building installation where work is being performed? 2013

7. Is the finish of the previous coating stipple or smooth? Smooth

8. Clarification on PWS (Bathroom and Locker rooms) PWS has been updated – Table 1

9. Clarification on Room 145 to be added? Showers and Bathrooms to PWS? PWS has been updated - Table 1

10. Clarify in PWS that the Wall coat is 4’’ from the base. See response to Question #4

11. Clarify that Bathroom is inclusive to the sq ft of the adjacent rooms? Bathrooms are included in the square footage.

12. Will loose equipment located in rooms and locations be remove prior to start of Job? All equipment will be removed by Government from areas except permanently affixed statutory Bio-Safety cabinets.

13. Will caulking need to be removed? Is this a part of the requirement and will it need to be replaced. If removed, it needs to be replaced.

14. Will layer(s) of Epoxy need to be removed? Grinded down and brought back to the desired thickness? Grind down to bare surface and recoat.

15. Is there a required or preferred color for the Epoxy? Will everything be one color? Color to match recently recoated floors from 2022 and 2024. These are identified in Section 4.0 of the PWS.

16. Removal of ground stickers in locations. Is contractor required/ responsible to replace? The Government will replace stickers.

17. How long will specific areas be available to contractor vendor for during the duration of the work? Typical work hours 0630-1630 hours

18. And what is the customer anticipated estimated time of completion? Will it be in Phases/Job/Locations? Completed in 1 phase

19. Will PWS be updated to include the measurements for each location? The Government has confirmed the accuracy of the measurements in the PWS. - Table 1 Once contract awarded, contractor is responsible for maintaining and taking own measurements.

20. Will proposal time be extended? Yes, Proposal will be extended by 3 Days.

21. Clarification on solicitation once amendment is posted all contractors must acknowledge.

22. Please clarify if the linear feet of cove base are included in the square footage? See response to Question #2

23. Clarification of removal process of existing epoxy. Prior to new application of recommended coat. See response to Question #14

24. Clarification of Exact thickness. See response to Question #3

25. Contractors’ responsibility for containment of debris and spillage. Are there any All local waste management laws must be followed. Is special care needed to dispose of these materials properly? All debris shall be contained by contractor and disposed of

26. Power requirements for high powered tools and voltage. Will 220-240V Power outlets be available? Or Standard 110-120V. Are Contractors required to provide their own power source, or it is provided by government? i.e. Generators The Government will provide 110-120 V power. Section 4.7 - PWS. If 220-240V is required, the contractor may bring their own power source and run power in through the loading dock.

27. Will areas mentioned in PWS be quarantined? Work will be halted in rooms for work.

28. Will any hazardous activity be taking place during the Install? Normal lab operations in the building.

Additional Questions from Vendor submitted on 05-05-2026 1). Are you able to provide pictures of locations needing service? No, this is a secure building.

2). Will there be a need for cove base, if so what size? See response to Question #4 3). Can a building drawing be provided? No, this is a secure building.

4). Will contractors be required to move furniture? Government will move equipment.

5). Will contractor be able to swiftly move to second phase or will client need to be fully operational before next phase begins? The contractor will be able to swiftly move to second phase 6). Is there an established budget. No 7). Bonding required? No Additional Questions from Vendor submitted on 05-04-2026 1.- Are there any drawings, layouts or photos you can provide to see rooms configuration, so we can get more clarity about all the necessary work to perform. No, this is a secure building.

2.- Does the prime contractor need to obtain any permits before starting this project? No 3.- The PWS specifies a system consisting of a 10–12 mil base coat and a 14–18 mil topcoat, while the QASP references a 10-mil coating requirement. Could you please confirm the required total system thickness? 10-12 mil base coat and a 14-18 mil topcoat 4.- As a prime contractor, our subcontractor in the area is specialized in epoxy coatings could you please confirm if this arrangement meets the experience required? Yes.

5.- Quantities provided are only for flooring coating or also include walls? See response to Question #2 Additional Questions from Vendor submitted on 05-03-2026

1. Reading through the PWS, section 5.0, the language does not specifically state whether or not this contract will require U.S. citizen only. Will this work require U.S. citizen only? Individuals will need to be able to enter the installation and legally obtain the ability to work in the United States. Contractors will enter through the visitors center and present valid Identification and will be subjected to background check before entering the installation. Section 5.1 in PWS and FAR clause 52.204-9.

Additional Questions from Vendor submitted on 05-08-2026

1. The question was posed during walk through; would it be permissible for Contractors to scuff the existing floor rather than remove existing coating down to bare concrete. If scuffing is permissible, could you please advise who will be responsible for repairs, should underlying scuffed flooring delaminate from the concrete, after new flooring is applied? See response to Question #14

2. Will existing Instructions for this solicitation be changed to reflect the permissibility of scuffing existing flooring versus removing existing coating, as is contained in instructions today? See response to Question #14