W50S7T20R0003_Questions and Answers dated 29Jul20.pdf

Questions & Answers received prior to 29 July 2020 Project: 182AW Alteration of Building 321 ASOS

Gym Solicitation # W50S7T20R0003

1. QUESTION: With having existing insulation on the roof, with adding the additional spray foam insulation is it acceptable to spray between the purlins so that the existing sprinkler lines are not affected since they are very close to the purlins?

ANSWER: Change statement of work paragraph 2.7.b to read:

Contractor shall furnish and install a total of 8” of high density batt isolation to all roof surfaces; Approximately 6000 SF. Insulation can be installed using strapping attached to bottom of roof purlins. Purlins are 8” in depth and spaced 5’-0” on center (OC).

i.) Contractor shall ensure that insulation is installed in a professional matter and provides tight to roof purlins.

ii.) Contractor shall ensure that access to all utilities remains available.

2. QUESTION: Can closed cell foam insulation be applied to the roof instead of the open cell since it is a harder surface and will not dent and flake off as easily?

ANSWER: Change statement of work paragraph 2.7.b to read:

Contractor shall furnish and install a total of 8” of high density batt isolation to all roof surfaces; Approximately 6000 SF. Insulation can be installed using strapping attached to bottom of roof purlins. Purlins are 8” in depth and spaced 5’-0” on center (OC).

i.) Contractor shall ensure that insulation is installed in a professional matter and provides tight to roof purlins.

ii.) Contractor shall ensure that access to all utilities remains available.

3. QUESTION: How many inches of insulation are you wanting on the roof/what R value are you wanting to achieve? Is 4” of closed cell foam insulation acceptable?

ANSWER: Change statement of work paragraph 2.7.b to read:

Contractor shall furnish and install a total of 8” of high density batt isolation to all roof surfaces; Approximately 6000 SF. Insulation can be installed using strapping attached to bottom of roof purlins. Purlins are 8” in depth and spaced 5’-0” on center (OC).

i.) Contractor shall ensure that insulation is installed in a professional matter and provides tight to roof purlins.

ii.) Contractor shall ensure that access to all utilities remains available.

4. QUESTION: How many inches of insulation/what R value are you wanting on the exterior and interior wall? Is 2” of closed cell acceptable?

ANSWER: Minimum 4” closed cell insulation.

5. QUESTION: Will the shelving be moved away from the walls in the storage area before this project begins or will the contractor need to move it?

ANSWER: Yes, 182d AW will more government equipment as required for construction.

6. QUESTION: The attachment 3 drawing points to new wall insulation at the storage area perimeter walls but not the gym exterior walls. The statement of work item 2.7a states that all exterior walls are to have new insulation. Please clarify.

ANSWER: Only three exterior walls in storage area are to receive new insulation. See Attachment 3.

7. QUESTION: If new insulation is wanted at the gym perimeter walls, is an alternate type of insulation acceptable where the plywood on the walls can remain?

ANSWER: No new insulation in the gym is required.

8. QUESTION: If the plywood remains will you want it painted?

ANSWER: No painting is required.

9. QUESTION: What is the existing structure which separates the gym from the storage? Is it metal studs and plywood or is it wood studs?

ANSWER: 2x4 wood stud wall with plywood on each side.

10. QUESTION: Does the exiting batt insulation which is visible at the top of this wall extend the entire wall?

ANSWER: The batt insulation visible above the partition wall is present in all cavities of the partition wall.

11. QUESTION: Will there be an amendment to the solicitation that incorporates the changes noted above?

ANSWER: Yes, but it will only include a change to the Statement of Work identified in questions 1-3. The amendment should be posted on or about 3 August 2020. The solicitation due date will not be extended.