22-117-Q31-Addendum 1-20240429.pdf
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This document is an Addendum to a federal contract opportunity issued by the Department of Veterans Affairs (VA) for the EHRM Infrastructure Upgrade - Data Center Campus project at the NAVAHCS, Bob Stump Medical Center in Prescott, AZ.
The Addendum revises several drawings and specifications associated with the contract, including details related to the TPO roofing system, changes to the humidifier system type and related components, and modifications to the paint type. Key changes include the addition of a vapor barrier, cover board, and underlayment gypsum board as part of the TPO roofing system, revisions to the humidifier system type and associated equipment, and a change to the specified paint type. The document provides a detailed explanation of each revision made to the contract documents.
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Raleigh | Indianapolis | Fort Collins | Las Vegas | Charlotte | Minneapolis | Cincinnati |Wilmington | Nashville www.acg-pa.com
Addendum 1
Date: April 29, 2024
RE: Department of Veteran Affairs Project No.: 649-22-701
Project Name: EHRM Infrastructure Upgrade – Data Center Campus Name & Location: NAVAHCS, Bob Stump Medical Center, Prescott, AZ Contract No.: 36C25819D0036
From: Apogee Consulting Group, Inc.
NOTICE TO CONTRACTOR: The following supplemental instructions are issued as part of the Contract Documents. The work shall be carried out in accordance with the Contract Documents including these clarifications. Any change in Contract Sum or Contract Time must be resolved with the VA before proceeding with the Work in accordance with these instructions.
Explanation
Explain
Attached are revised drawings:
1. A-503,
a. Revised the following details to include indicating a vapor barrier, cover board and underlayment gypsum board as part of the TPO roofing system to be installed.
i. Detail 1 ROOF SCUPPER DETAIL
ii. Detail 3 SECTION DETAIL
iii. Detail 5 SECTION DETAIL
iv. Detail 7 SECTION DETAIL-THRU COILING DOOR
v. Detail 8 SECTION DETAIL
vi. Detail 9 ROOF OVERFLOW SCUPPER DETAIL
2. MH-101
a. Revised Humidifier system type.
i. Added humidifier control panels to floor plan.
ii. Added Air Compressor to floor plan.
iii. Added Air Dryer to floor plan.
iv. Revised key notes 7 and 8.
v. Added key notes 11, 12, 13, 14, and 15.
b. Revised sheet notes.
3. M-501
a. Changed Mechanical Controls Diagram callout from #8 to #9 and modified Diagram contents.
b. Added Humidifier Diagram.
4. M-601
a. Revised Humidifier schedule to reflect new system type.
5. PW-101
a. Revised Humidifier system type and humidifier water treatment cabinet system type.
i. Added humidifier control panel to floor plan.
www.acg-pa.com Document Type 2
ii. Added Air Compressor to floor plan.
iii. Added Air Dryer to floor plan.
iv. Relocated water treatment cabinet.
v. Revised key note 8.
vi. Revised condensate drains routings per new humidifier diagram on sheet M-501.
vii. Revised sanitary pipe risers diagram accordingly.
6. PP-101
a. Revised Humidifier system type and humidifier water treatment cabinet system type.
i. Added humidifier control panel to floor plan.
ii. Added Air Compressor to floor plan.
iii. Added Air Dryer to floor plan.
iv. Relocated water treatment cabinet.
v. Revised key notes 1 and 3.
vi. Revised DCW and RO water routings per new humidifier diagram on sheet M-501.
vii. Revised domestic water pipe risers diagram accordingly.
7. P-502
a. Erased water treatment cabinet detail 5.
b. Renumbered details numbers accordingly.
Attached are revised specifications:
1. Section 07 54 23 Thermoplastic Polyolefin (TPO) Roofing,
a. Modified the spec section to include vapor barrier, cover board and underlayment board per the WUFI study performed by Terracon.
i. Part 1.5 Submittals: Added Vapor Barrier and Cover Board submittals.
ii. Part 2.1.B System Description: Added Statement that Insulation, Cover Board, Vapor
Retarder and Underlayment are part of the system to be installed per manufacturers roof installation requirements.
iii. Part 2.6 Accessories: Added information for the Cover Board, the Vapor Retarder, and the Underlayment Board.
2. Section 09 06 00 Schedule of Finishes.
a. Modify the spec section to include a change to the paint type.
i. Paint P-1 Change to Sherwin Williams, Ceiling Bright White SW7007.
–End of Document
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