Questions and Answers 4.4.25.docx

Q&A Sheet

6973GH-25-R-00110

ZHU Houston, Flooring Replacement

· Q1. All epoxy products have a smell. What level of odor tolerance do you expect?

Per item #6 in the SOW fans will be required to ventilate the work area to keep vapors in area to a minimum. All solvents to be utilized will need to supply a sample so the union representative can conduct a smell test.

· Q2. We’ll be using grinders, and while we will take precautions, it's impossible to eliminate dust entirely. Do you have any specific preferences or requirements for dust control?

The facility will turn off all air handlers, the hot water heater in the boiler room 144 and disable the fire alarms. The contractor will be responsible to cover all fire alarm detectors, cover all equipment & close all adjacent doorways and seal the cracks either with tape or cover doorways with plastic.

· Q3. Are you planning to redo the baseboards and apply epoxy on the walls?

No, per item #3 in the SOW cove base will be reinstalled where base was removed.

· Q4. To schedule the work efficiently, we need to know how many square feet we’ll be working on per section per day. Will each section be 1,000 square feet, 300 square feet, or another size?

The following is the priority of how each area is to be worked along with total square footage.

1) Chiller Room 105 & Janitor Room 113 @ 1,952.4 sq ft

2) Office 110, 111, 114, 114A & Men’s Toilet 112 @ 1,070 sq ft

3) Office 114B & 114C @ 360 sq ft

4) Boiler Room 144 @ 1,048 sq ft

* This is an estimated sg ft, contractor responsible to confirm if needed.

· Q5. We don’t recommend applying epoxy over bathroom tile. Before proceeding, we would appreciate your input. Could you please let us know if you have any specific preferences or concerns regarding this Why do you not recommend applying epoxy over bathroom tile?

· Q6. Will 220V outlets be available for our machines?

Yes, there are 3 220v outlets, bring plenty of extension cords.

· Q7. can you provide drawings to see the dimensions of the rooms?

Yes, see attached drawing # ZHU-D-ARTCC-Q009-BL & response to Q4 for priority sequence with total square footage.

· Q8. what is the minimum thickness required for the epoxy?

Office 110, 111, 114, 114A, 114B, 114C & Janitor Room 113 @ 6 MILS.

Chiller Room 105 & Boiler Room 144 @ 20 MILS.

· Q9. are there Windows available to vent the rooms when the asbestos abatement be in process?

No, vent should go out the door in office 114B into Boiler Room 144 and then vent outdoor on east side of Boiler Room by loading dock. As shown during the site walkthrough.

· Q10. Should we consider conducting periodic air quality tests to monitor the effectiveness of the asbestos abatement?

No, a consultant will be hired by the FAA to provide an asbestos abatement specification, provide air quality tests, inspections, oversight & final clearance as shown on item #10 in the SOW.

Note:

A) The asbestos abatement can be performed during normal working hours of Monday through Friday from 7:00 am to 5:00 pm.

B) Provide MSDS sheets for all products to be utilized along with product data sheets as stated in the SOW.

Q11. can provide pictures of what the current flooring looks like. To be able to quote for demolition of existing flooring No, some contractors took pictures of the floor. That was what the walkthrough was intended for to look at the facility and take notes and pictures of everything required to turn in a bid.

· Q12. On #1 on the PDF it states the following: “Tile flooring will remain in Men’s toilet 112 and have epoxy applied to prepared tile.” Epoxy cannot go directly over tile; it must go direct to a concrete substrate?

Noted, tile to be removed in Men’s Toilet 112.

· Q13. Can you provide the Asbestos Testing results?

See attached lab results.

· Q14. Could you extend this contract so we can develop a more accurate proposal? A two week extension will be provided until April 25, 2025.

· Q15. Can we get drawings showing the rooms/work area included in the SOW?

See attached drawing #ZHU-D-ARTCC-Q009-BL, drawing was originally attached when Q7 was answered.

· Q16. What room numbers tested positive for asbestos?

Office 114B &b114C.

· Q17. Does the floor tile need to be replaced that is under the hot water heaters, or can it be replaced up to the actual hot water heater so the hot water heater doesn’t have to be removed?

Yes, the facility will not be moving the hot water heater. The contractor is to cut the tile around the heater as closely as practical to install the epoxy. See attached picture.

· Q18. Are bonds required for this project? A bond is not required under $150,000.

· Q19. can provide pictures of what the current flooring looks like. To be able to quote for demolition of existing flooring No, as stated in Q11.