Attachment 6 (Addendum 1).docx
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- Attached to
- Repair/Replace HVAC Systems
- Solicitation number
- FA875125B0001
About this file
This document is an Addendum (No. 1) to Solicitation FA875125B0001 for a Department of the Air Force Materiel Command Research Laboratory project involving electrical system modifications. The addendum provides specific technical updates, including the removal of a motor control center (MCC-i4M -1/HVSB - J6M-1) from the electric room and revisions to lighting fixture specifications.
The addendum introduces two key changes: first, modifications to the fixture schedule with updated LED lighting specifications for 2"x4" Cruze fixtures (including a new type B2 fixture), and second, requirements for a lightning protection system on the penthouse roof in accordance with specification section 26 41 00. Additionally, the document specifies that removed motor control centers should be turned over to the owner and moved to a designated storage area, with disassembly permitted if necessary for removal.
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Text version
FA875125B0001 – Attachment 6 ADDENDUM NO. 1 29 April 2025 Refer to drawings:
1. Sheet 62, drawing ED001 Existing One - Line Power Diagram – Electric Room J6-K: remove motor control center MCC-i4M -1/HVSB – J6M-1.
2. Sheet 72, drawing E-601 Details:
a. Refer to Fixture Schedule:
i. Change type B to Read: 2”x4” Cruze, ribbed frosted acrylic lens, 90% reflective matte white enamel finish, paint after fabrication, 10% to 100% dimming driver; 36.1W, LED (5570 lumens), 120-277; recessed grid ceiling; Metalux catalog number 24CZ2-55VHE-UNV-L940- CD1.
ii. Add fixture type B2: 2”x4” Cruze, ribbed frosted acrylic lens, 90% reflective matte white enamel finish, paint after fabrication, 10% to 100% dimming driver; 29.6W, LED (4559 lumens), 120-277; recessed grid ceiling; Metalux catalog number 24CZ2-45VHE-UNV-L940- CD1.
Add the following:
1. Provide all work on attached drawing ADE-1 relative to a lightning protection system on the penthouse roof.
2. Provide a lighting protection system in accordance with specification section 26 41 00 Lightning Protection System, attached.
3. All motor control centers noted to be removed should be turned over to the owner and moved to a storage area designated by the owner. If the units are required to be disassembled for removal from the mezzanine, they are not required to be assembled in the designated storage area.
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