RFI Responses 001 SIGNED.pdf

Date: 20 June 2023

To: CMSgt. William Hall

Subject: RESPONSES TO RFI #001

Project: AIRCRAFT MAINTENANCE UNIT FACILITY

Job #: ANG# FAKZ169003 / SSL# 18153

From: David Donovan

1) Question: Can Sch 40 DWV PVC be used below the slab instead of hub and spigot cast iron as specified in 220000, 2.2?

Response: No.

2) Question: In specification 220000, 2.2, H, are standard Type 40 protection saddles allowed or are thermal hanger shields required? It is not clear which we are to use.

Response: Specifications indicate either are permissible. This is the Contractor’s option.

3) Question: What is the overall dimension of the chases behind the men’s and women’s water closets on sheet A6.1? These are to be wall-hung toilets and they require 15” minimum for a single fixture carrier.

Response: Chase dimension to be field verified and coordinated with water closet hangar to be provided. Maximum water closet chase depth to be 12” in rooms 113/114 . Various carriers are readily available requiring 12”, or less, clear chase dimension.

4) Question: There is no chase for the carrier serving the wall-hung toilets in the 2nd floor restrooms on sheet A6.1B Response: Chase has been added. Refer to Addendum No. 3. Chase dimension to be field verified and coordinated with water closet hangar to be provided.

Maximum water closet chase depth to be 15” in rooms 204/205 as noted in the addendum drawing.

5) Question: Can we get clarification on elevation 1F. It shows this being a Blast Curtainwall but has ¼” glass in the bottom and 1-5/16” glass in the top area. Is this supposed to be Blast CW? If so, it cannot have ¼” glass in the system.

Response: Refer to addendum No. 3. Glass tag/type has been changed.

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RESPONSES TO RFI NO. 001 Page 2 of 3 Seay Seay & Litchfield, P.C. 20 June 2023

6) Question: SPECS calls for a Fixed Blast Resistant Aluminum Window. Could be considered possibly using Blast Storefront on or Curtainwall here? Some of these openings are a little big for a blast window system.

Response: Design intent is that openings labeled aluminum curtain wall in the glazed opening schedule be provided as aluminum curtain wall. Where openings are labeled aluminum window systems, the Contractor shall have the option to provide blast resistant window systems as specified in specification section 08 5200 or aluminum curtain wall systems as specified in section 08 4413. All openings containing swinging entrances shall be aluminum curtain wall systems.

If aluminum windows are utilized, the window assemblies shall be blast resistant and fully comply with UFC 4-010-01. Aluminum windows will also be required to match curtain wall assembly exterior and interior finish. Custom colors for aluminum window assemblies, if required to provide match curtain wall assembly, shall be provided.

7) Question: Regarding security systems… “This is a PL-4 project, correct?”

Response: Assets to be stored in the secure storage area are PL-3 assets.

8) Question: Regarding security systems…Intrinsically safe devices are required on this project, correct?

Response: No. Intrinsically safe devices are not required.

9) Question: Regarding security systems…Advantor sees three (3) cameras, in total, required for this project. Is that correct? Can you confirm if they are fixed or PTZ cameras?

Response: Refer to drawing sheet E4.1 for location and quantity of cameras required by the Contract. Refer also to Addendum No. 3. Location of cameras has been adjusted and type of camera (PTZ versus fixed) has been clarified.

10) Question: Regarding security systems…Room 215 is where the monitor will be located providing a view of the camera feed, correct?

Response: Refer to Addendum No. 3. NVR has been omitted. Monitoring of all CCTV cameras will occur in the Base Defense Operations Center in Building 1502. Provide all network connections required to monitor and record CCTV footage in Building 1502 for a minimum of 30 days.

11) Question: Regarding security systems…The NVR will also be in Room 215 as well, correct?

Response: Refer to Addendum No. 3. NVR has been omitted. Monitoring of all CCTV cameras will occur in the Base Defense Operations Center in Building

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RESPONSES TO RFI NO. 001 Page 3 of 3 Seay Seay & Litchfield, P.C. 20 June 2023

12) Question: Regarding security systems…The camera NVR will typically provide 60 days of recording, is this acceptable?

Response: Refer to Addendum No. 3. NVR has been omitted. Monitoring of all CCTV cameras will occur in the Base Defense Operations Center in Building

13) Question: Regarding security systems…Are there are any moveable openings not shown that are over 96” square, roof hatches, etc.?

Response: No.

14) Question: Regarding security systems…The IDS panel is to be in Room 110, please confirm that there is 120 VAC dedicated power and proper grounding in this room for power to the panel.

Response: Refer to drawing sheet E3.1. Dedicated 120VAC receptacle is indicated and is intended for IDS panel. Coordinate with General Contractor prior to bid if additional infrastructure for IDS systems is required.

15) Question: Regarding security systems…Is the fiber patch panel located next door in Room 116 to allow for system connectivity running back to the BDOC?

Response: Reference MDF rack on sheets E4.1, E4.3, and E4.5 for location and description of incoming fiberoptic cabling. Contractor to provide all plant, labor, and materials required to connect security systems (both IDS and CCTV) to base security network for visibility of systems at the Base Defense Operations Center (BDOC) in Building 1502.

16) Question: Regarding security systems…Please confirm that there is a fiber drop-in

Room 116. We will need a pair and need to know if it Is SM (single mode) or MM (multi-mode) fiber.

Response: Fiber optic cabling is present in room 116. Reference fiber riser diagram on drawing sheet E4.5. Contractor to provide all plant, labor, and materials required to connect security systems (both IDS and CCTV) to base security network for visibility of systems at the Base Defense Operations Center (BDOC) in Building 1502.

End of Response to RFI #001