RFI 2 New FCU with Existing Reheat Coil - Response.pdf
PDF 29 KB Posted
- Attached to
- Z1DA--Upgrade 1W Building 506-20-201
- Solicitation number
- 36C25020B0046
About this file
This document contains a request for information and related federal contract opportunity. The request for information regards upgrading an existing fan coil unit to work in conjunction with a new fan coil unit for a room at the VA Ann Arbor Medical Center. It solicits feedback on installing a duct temperature sensor downstream of existing reheat coils to control supply air discharge temperature based on outside air temperature. The related federal contract opportunity is a solicitation to upgrade approximately 4,200 square feet of existing audiology and ENT clinic space on the first floor of Building 1W at the VA Ann Arbor Medical Center. The renovation includes structural, architectural, electrical, mechanical, fire protection, interior design and other work. Construction must be completed within 180 calendar days of receiving the notice to proceed and adhere to building codes, VA standards, LEED green design principles, and energy conservation goals. The solicitation is issued by the Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 10.
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Text version
Unrestricted Revised 7/26/01
Siemens Industry, Inc
Request for Information
Job Name: VA Ann Arbor 1 West Building 1W Job Number: VA# 506-20-201
Requested By: Richard A. Darnell RFI Number: 2
Contact: richard.darnell@siemens.com Date: 8/11/2020
To: VA Ann Arbor
Attn: Kyle Lipper kyle.lipper@va.gov
Spec. Number
Sketch (if required) Drawing: Rev:
System: FCU with existing reheat coil
Location: Bldg: Bldg 1W
Level:
Other Drawing Affected:
No:
Cost Impact: unknown
Time Delay: No
Description of Problem: If a room that is getting a new fan coil unit is also fed by an existing reheat coil should the existing reheat coil be reconfigured to work in conjunction with the new FCU using the controller and room sensor for the new FCU?
Resolution of Problem:
Accepted:
General Cont.: Date:
Arch/Eng: Date:
PROVIDE/INSTALL DUCT TEMPERATURE SENSOR DOWNSTREAM OF REHEAT COILS. CONTROL TO SUPPLY AIR DISCHARGE TEMPERATURE. RESET LEAVING AIR TEMPERATURE BASED ON OUTSIDE AIR TEMPERATURE:
SEQUENCE OF OPERATION: IF THE DISCHARGE AIR TEMPERATURE FALLS BELOW ITS SETPOINT, THE HEATING HOT WATER CONTROL VALVE SHALL MODULATE TO MAINTAIN THE DISCHARGE AIR TEPMERATURE SETPOINT, 55 TO 70 ADJ.
8/12/2020Jeffrey D. Kane PE Mechanical Engineer
File details come from the government source that posted it. Updated .