B09_0040550376_140P1521Q0088_Amend_01_Vendor_Q_A_Final_0001.docx

1. Section 1.1.D.1 of General Requirements (pg 36) calls for the installation of new mini-split HVAC system for original VC space. Work will be performed during appropriate phase of construction in Bid Item 2.

Question: Will the customer accept a ductless system? Yes Question: As discussed on site walk, two indoor units and one outdoor unit is required for this project. Will customer accept two indoor units? (one in small entry and other in larger storage area) Yes Question: When reviewing the project with our installation team the following question/clarifications are required.

- Existing power panel located in mechanical room (VC1) does not have the sub-panel labeled or identified. We are assuming the sub-panel (VC2) located in the storage room is powered from the main panel (VC1). Please confirm. Yes

- Please confirm existing power available to sub-panel (VC2)? 125 AMP, 120/240V, 1-phase

- If power is not sufficient, will power (spare) be available at panel VC1? Sufficient power will be available

- We are assuming the preferred routing of new conduit and wire be on “back side” of building? Please confirm. Sufficient power will be available

2 Section 5 Appendix (pg 141) shows two (2) large rooms. During the site visit, we notice two (2) walls have been framed in the largest room, separating it into three (3) rooms.

Question: Will the customer accept two (2) units in the two (2) main rooms or does the customer expect all four (4) rooms to be temperature controlled? Please see clarification below Question/clarification: Site discussion, existing walls may be removed to open up the space into one larger storage space. Please verify. (this will help to circulate air in the storage space) Yes, the 2x4” framed walls will be removed, it will be as shown, two large rooms.

3. Can the customer confirm if a dry system throughout be acceptable by local AHJ? AHJ: Dry system is acceptable by the AHJ – Schedule 40 black steel is required

4. Will the customer accept if we run the suppressor system exposed? No

5. Can the customer provide a current flow report, or will we need to perform our own flow test? General requirements 1.1.A paragraph 3, Contractor shall verify prior to starting work, if the existing 2” service lines will provide adequate pressure and flow for the fire suppression systems in accordance with NFPA 13 requirements and to the satisfaction of the NPS Authority Having Jurisdiction (AHJ). AHJ: Contractor must obtain waterflow info for their design

6. Can the customer provide CADs of the existing floor plans? No. AHJ: AHJ does not have CAD files

7. Can the customer confirm if the AHJ wants to stay with full area smoke detector coverage or scale back to the minimum code compliant system that would consist of A/V coverage only, activated by a waterflow switch, since the building will be 100% sprinkled? AHJ: Complete detection is required – full area detection required.

8. Optional Form 336 (pg 3) shows a POP of 9/20/2021 to 5/31/2022.

Question: Can the customer provide a preliminary construction schedule/timeline? All work specified in SOW to be completed within the POP. Contractor is to propose a work schedule to the government on completion timelines.