2018-05164_Addendum 1.pdf
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- Solicitation number
- 36C25025B0036AMEND0002
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This document is an Addendum (No. #1) for a VA Dayton Project (No. 552-19-102) focused on correcting infrastructure deficiencies in Building 408, issued by Heapy Engineering on 07/09/2025. The addendum contains multiple specification and drawing revisions for HVAC systems, including updates to packaged water chillers, decentralized unitary HVAC equipment, and modifications to floor plan drawings across basement, first, second, and attic levels. Key changes include updating acceptable refrigerants for chillers to R32 or R454b, eliminating fan speed selector switch requirements for fan coil units, removing existing steam piping, and deleting steam humidifier schedules and controls across multiple drawing sets.
The addendum is part of a federal contract opportunity (Solicitation Number 36C25025B0036AMEND0002) for infrastructure improvements at the Dayton Veterans Affairs Medical Center (VAMC), with the bid opening scheduled for July 23, 2025, at 10:00 a.m. local time. The project is being managed by the Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 10, with the bid location set at the Network Contracting Office 10 in Kettering, Ohio. The document indicates that this is Amendment 0002, which posts RFI responses and the current addendum while maintaining the original bid opening details.
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Cleveland • Columbus • Dayton • Findlay • Indianapolis • Raleigh
1400 W Dorothy Lane Dayton, OH 45409
(937) 224-0861 www.heapy.com
An ISO 9001-2015 Certified Company FS 98575 © Heapy All Rights Reserved
2018-05164_Addendum 1 7/11/2025 1:57 PM
VA DAYTON PROJECT NO. 552-19-102
CORRECT INFRASTRUCTURE DEFICIENCIES, B408
ADDENDUM NO. #1
HEAPY PROJECT NO. 2018-05164
07/09/2025
HVAC
SPECIFICATIONS
ITEM NO. 1 Section 23 64 00 PACKAGED WATER CHILLERS
A. Revise paragraph 2.1-A updating the refrigerants that the chillers can operate to R32 or R454b.
ITEM NO. 2 Section 23 82 00 DECENTRALIZED UNITARY HVAC EQUIPMENT
A. Delete paragraph 2.1-F-2, eliminating the requirement for the fan speed selector switch on the fan coil units.
DRAWINGS
ITEM NO. 1 Drawing No. MD100, BASEMENT FLOOR PLAN – REMOVALS. Revised sheet attached.
A. Added removal of existing steam piping.
ITEM NO. 2 Drawing No. MD101, FIRST FLOOR PLAN – REMOVALS. Revised sheet attached.
A. Added removal of existing steam piping.
ITEM NO. 3 Drawing No. MD102, SECOND FLOOR PLAN – REMOVALS. Revised sheet attached.
A. Added removal of existing steam piping.
ITEM NO. 4 Drawing No. MD103, ATTIC FLOOR PLAN – REMOVALS. Revised sheet attached.
A. Added removal of existing steam piping.
ITEM NO. 5 Drawing No. MP100, BASEMENT FLOOR PLAN – PIPING. Revised sheet attached.
A. Eliminated requirement for steam piping to humidifiers.
ITEM NO. 6 Drawing No. MP101, FIRST FLOOR PLAN – PIPING. Revised sheet attached.
A. Eliminated requirement for steam piping to humidifiers.
ITEM NO. 7 Drawing No. MP102, SECOND FLOOR PLAN – PIPING. Revised sheet attached.
A. Eliminated requirement for steam piping to humidifiers.
ITEM NO. 8 Drawing No. MP103, ATTIC FLOOR PLAN – PIPING. Revised sheet attached.
A. Eliminated requirement for humidifiers and steam piping.
Cleveland • Columbus • Dayton • Findlay • Indianapolis • Raleigh
An ISO 9001-2015 Certified Company FS 98575 © Heapy All Rights Reserved
2018-05164_Addendum 1 7/11/2025 1:57 PM
ITEM NO. 9 Drawing No. M601, SCHEDULES. Revised sheet attached.
A. Added missing data in FOUR PIPE FAN COIL UNIT SCHEDULE.
ITEM NO. 10 Drawing No. M602, SCHEDULES. Revised sheet attached.
A. Revised Cooling Entering Air temperatures in FOUR PIPE FAN COIL UNIT
SCHEDULE (CONTINUED).
ITEM NO. 11 Drawing No. M603, SCHEDULES. Revised sheet attached.
A. Deleted STEAM HUMIDIFIER SCHEDULE.
ITEM NO. 12 Drawing No. M701, CONTROLS AND AUTOMATION. Revised sheet attached.
A. Deleted Steam Humidifier Controls.
| HVAC |
| SPECIFICATIONS |
| DRAWINGS |
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