Summary of Modifications/Changes
in this Update
This Summary of Changes is for information only.
It is not a part of the referenced document, and should not be used for project documentation.
U.S. Department of Veterans Affairs♦Office of Construction & Facilities Management

DATE OF THIS VERSION (new)March 1, 2024
TITLE OF DOCUMENT (new title if applicable):
Refrigerant Piping, 23 23 00
DATE OF VERSION BEING SUPERSEDED (old):
March 1, 2023
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Refrigerant Piping, 23 23 00
SUMMARY OF CHANGES IN THIS VERSION:
1. General: Added SPEC WRITER NOTE: “There could be more than one type of refrigerant

2.
3.
4.
5.
6.

required for the project. Edit paragraph and associated subparagraphs to suit projectrequirements in the refrigerant selection.” Made minor updates for consistency
throughout the specification.
Updated dates on standards.
Coordinated order of paragraphs with other sections in Division 23.
Corrected grammatical, punctuation and typographical errors both for corrections andfor consistency with the other sections and divisions.
Added reference to missing unitary equipment sections.
Added electronic thermostatic expansion valves.

Summary of Modifications/Changes
in this Update
This Summary of Changes is for information only.
It is not a part of the referenced document, and should not be used for project documentation.
U.S. Department of Veterans Affairs♦Office of Construction & Facilities Management

DATE OF THIS VERSION (new)March 1, 2023
TITLE OF DOCUMENT (new title if applicable):
Refrigerant Piping, 23 23 00
DATE OF VERSION BEING SUPERSEDED (old):
February 1, 2020
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Refrigerant Piping, 23 23 00
SUMMARY OF CHANGES IN THIS VERSION:
Updated references and dates on standards.
Coordinated order of paragraphs with other sections in Division 23.
Corrected grammatical, punctuation and typographical errors both for corrections andfor consistency with the other sections and divisions.
4. Added reference to missing unitary equipment sections.
5. Added electronic thermostatic expansion valves.
1.
2.
3.

Summary of Modifications/Changes
in this Update
This Summary of Changes is for information only.
It is not a part of the referenced document, and should not be used for project documentation.
U.S. Department of Veterans Affairs♦Office of Construction & Facilities Management

DATE OF THIS VERSION:
February 1, 2020
TITLE OF DOCUMENT:REFRIGERANT PIPING, 23 23 00
DATE OF VERSION BEING SUPERSEDED (old):
February 1, 2015
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
REFRIGERANT PIPING, 23 23 00
SUMMARY OF CHANGES IN THIS VERSION:
1. Provided a SPEC WRITER NOTE on the first page for updating and editing the ApplicablePublication list. (Provide the year of latest edition to each publication listed in Article 1.5APPLICABLE PUBLICATIONS.)
2. Coordinated the Sections title through out the body of the section (PART 1 - GENERAL, PART2 – PRODUCTS and Part 3 – EXECUTION).
3. Rearraged the sections accordingly and revised the list under ARTICLE 1.2 RELATED WORK.
4. Corrected the section titles throughout this section to match the master list on the TIL.
5. Added the following SPEC WRITER NOTE in Artcle 1.5 APPLICABLE PUBLICATIONS. (Insert
the year of approved latest edition of the publications between brackets and delete thebrackets // // if applicable to this project.)
6. Updated the dates of the edition for the applicable publications and left the brackets inplace for the Spec Writer to take action.
7. Corrected misspelled words and made general minor revisions.

Summary of Modifications/Changes
in this Update
This Summary of Changes is for information only.
It is not a part of the referenced document, and should not be used for project documentation.
U.S. Department of Veterans Affairs♦

Office of Construction & Facilities Management

DATE OF THIS VERSION:
February 1, 2015
TITLE OF DOCUMENT:
Refrigerant Piping, 23 23 00
DATE OF VERSION BEING SUPERSEDED (old):
February 1, 2010
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Refrigerant Piping, 23 23 00
SUMMARY OF CHANGES IN THIS VERSION:
1.
2.
3.
4.
5.
6.

Added Section 01 33 23, Shop Drawings, Product Data, and Samples under Paragraph1.2- Related Work.
Corrected the spelling of the title of Section 13 21 29, Constant Temperature Rooms andindicated as optional.
Corrected the spelling of the title of Section 13 21 29, Constant Temperature Rooms andindicated as optional.
Renumbered the paragraphs accordingly and revised the list under Paragraph 1.2
Related Work .
Corrected the section titles throughout this section to match the master list on the TIL.
Made general minor revisions.