CRMO_323904_ASI1_Refrigerant_Update_Cover_Sheet_0001.pdf
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- Attached to
- CRMO 323904 Rehab Ops Bldgs at Idaho Parks
- Solicitation number
- 140P2025R0013
About this file
This is an Architect's Supplemental Information (ASI #01) document issued on January 24, 2025, for the CRMO Rehabilitate Operational Buildings at Idaho Parks project (PMIS: 323904). The document details changes to refrigerant specifications for the National Park Service project, specifically updating refrigerant requirements from R-410A to R-454B and R-32.
The document outlines changes to both drawings and specifications. Drawing changes include adding a revision to the title block on Sheet 1 and incorporating ASHRAE 15 Refrigerant Calculations on Sheet 70. Specification changes affect two sections: 23 23 00 Refrigerant Piping and 23 81 26 Split System Air Conditioners, where all references to R-410A are being replaced with R-454B and R-32. The document is addressed to NPS Project Manager Michael Quinn, with copies to two Contracting Officers and a Project Specialist from NPS, and is issued by Beth Cook, Project Architect from Anderson Hallas Architects.
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Architect’s Supplemental Information
ASI # 01
Date: 2025.01.24
To: Michael Quinn, Project Manager, NPS
Cc: Amber Hughes, Contracting Officer, NPS Paula Teague, Contracting Officer, NPS Kristen Rowe, Project Specialist, NPS
From: Beth Cook, Project Architect, Anderson Hallas Architects
Re: Refrigerant Update
CRMO Rehabilitate Operational Buildings at Idaho Parks
PMIS: 323904
Please see enclosed for revised drawings and specifications to address updates to refrigerant requirements.
Summary of Drawing Changes
Sheet 1 (Cover)
• Revision added to title block.
Sheet 70 (0-M001)
• Added ASHRAE 15 Refrigerant Calculations
Summary of Specification Changes
23 23 00 Refrigerant Piping
• 2.1.A: Changed "R-410A" to "R-454B and R-32"
• 2.4.A & 2.4.B: Removed refrigerant R-410A, added Refrigerants R-454B and R-32
• 3.1: Changed "R-410A" to "R-454B and R-32"
23 81 26 Split System Air Conditioners
• 2.2.A.2.c: Changed "R-410A" to "R-454B or R-32"
File details come from the government source that posted it. Updated .