Questions and Answers - Repair Engine Run-Up Apron.pdf

FA3022-21-R-0002

Engine Run-Up Apron

Questions and Answers, 22 June 2021

1. What is the existing sealant in the joints?

There isn’t existing sealant in the joints. This work is on new concrete for new joints only. The initial cuts (1/8” wide) have been made at the joints.

2. What is the typical width of the existing joint sealant?

There isn’t existing sealant in the joints. This work is on new concrete. The initial cuts (1/8” wide) have been made at the joints. This work is to widen (to approx. ½”), clean, and seal all new joints. New expansion joints will be cleaned and sealed also (approx. ¾” width). New expansion joints are at locations where new concrete adjoins existing concrete.

3. There is a spall repair detail in the drawings. Is there spall repair on this project and if so is there a quantity of anticipated spall repair? I did not see any listed on the plans.

No spall repairs will be done on this project.

4. The specified material calls out for a 1 part silicone sealant. However there is discussion about 2 part sealing equipment. Can you please clarify which material is required?

One part silicone sealant will be used for this project.

5. The SOW states the following: "All FOD control measures (barriers, FOD monitors, sweepers, etc.) are already in place and maintained by the RED HORSE team on this active construction site" Just to clarify, will the AF (red team) will be taking care of placing barricades and sweeping FOD as needed?

Yes, the AF RED HORSE team will take care of all barricades, sweeping, and other FOD controls as needed.