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:
September 1, 2023
TITLE OF DOCUMENT:Fire Tube Boilers, 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
March 1, 2023
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire Tube Boilers, 23 52 39
SUMMARY OF CHANGES IN THIS VERSION:
1. Control Panel now free standing on the main aisle.
2. Natural gas pressure regulator to iron body.

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):
23 52 39 Fire Tube Boilers
DATE OF VERSION BEING SUPERSEDED (old):
February 1, 2023
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Division 23 Specification
SUMMARY OF CHANGES IN THIS VERSION:
1. Replaced “will” with “shall”. Initial replacement was incorrect, this fixes that error.

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)February 1, 2023
TITLE OF DOCUMENT (new title if applicable):
23 52 39 Fire Tube BoilersDATE OF VERSION BEING SUPERSEDED (old):
March 1, 2022
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Division 23 Specification
SUMMARY OF CHANGES IN THIS VERSION:
1. Replaced “shall” with “will”.
2. 2.2 Boiler Trim (Accessories) B.2. Steam Safety Valves:a. Removed “Bronze or”,
b. Removed “, O-ring EPDM seats on bronze 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:
March 1, 2022
TITLE OF DOCUMENT:Fire Tube Boilers 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
November 1, 2021
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire Tube Boilers 23 52 39
SUMMARY OF CHANGES IN THIS VERSION:
1.
2.
3.
4.

Remove the high pressure recycle switch.
Inserted high pressure manual reset.
Definded the pressure set point that enables the boiler to start.
Inserted High-High pressure manual reset.

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:
November 1, 2021
TITLE OF DOCUMENT:
Section 23 52 39, Fire Tube Boilers
DATE OF VERSION BEING SUPERSEDED (old):
August 1, 2021
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
No change
SUMMARY OF CHANGES IN THIS VERSION:
1.

Removed cast iron from the specification and replaced with cast steel.

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:
August 1, 2021
TITLE OF DOCUMENT:Fire Tube Boilers, 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
December 1, 2020
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire Tube Boilers, 23 52 39
SUMMARY OF CHANGES IN THIS VERSION:
1.

Clarify Steam Pressure Recycling Limit switch and set point for the lower reset point.

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:
December 1, 2020
TITLE OF DOCUMENT:
Section 23 52 39 Fire Tube Boilers
DATE OF VERSION BEING SUPERSEDED (old):
April 1, 2020
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Click here to enter text.

SUMMARY OF CHANGES IN THIS VERSION:
1.

Revised paragraph 2.2 D.d.on Gauge Glass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:
April 1, 2020
TITLE OF DOCUMENT:Fire Tube Boilers, 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
August 1, 2017
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire Tube Boilers, 23 52 39
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 1.3
APPLICABLE PUBLICATIONS.)
2. Coordinated the Sections title through out the body of the section (PART 1 - GENERAL, PART2 – PRODUCTS and Part 3 – EXECUTION).
3. Added the following SPEC WRITER NOTE in Artcle 1.3 APPLICABLE PUBLICATIONS. (Insert
the year of approved latest edition of the publications between the brakets and delete thebrackets // // if applicable to this project.)
4. Updated the date of the Applicable Publications and left the brackets in place for the Spec
Writer to take an action.
5. 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 (new)August 1, 2017
TITLE OF DOCUMENT (new title if applicable):
Fire Tube Boilers, 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
February 1, 2015
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire Tube Boilers, 23 52 39
SUMMARY OF CHANGES IN THIS VERSION:
1.

Throughout - Coordinated abbreviations and acronyms used in this section with a complete
list now contained in specification sections 23 05 10 and 23 05 11.

2.

Throughout - Changed all references of “Resident Engineer”, “RE”, and “COTR” to “COR”,
which is the list of abbreviations in sections 23 05 10 and 23 05 11.

3.

Throughout – Placed brackets around paragraphs containing content referencing seismic
specifications or instructions, so that the spec writer is more likely to intentionally include
or remove this content for the project’s seismic zone.

4.

Throughout – Replaced words or phrases like “are not allowed” or “are not permitted”
with “are prohibited”.

5.

Throughout – All units were placed in consistent format with Metric units first and English
units second, and the numerical value conversions were checked.

6.

Throughout – References to No. 5 and No. 6 fuel oils and soot blowers were removed,since the specifications only cover natural gas and No. 2 oil for fuels, and these fuels do not
require soot blowers.

7.

Throughout – References to pneumatic controls were removed, since digital controls aredesired.

8.

Part 1 – The general format and content was updated to match the VA standard format
desired for Part 1.

9.

1.2 – Updated “Related Work” section.

10.

1.3 – Updated and supplemented “Applicable Publications” section and verified mostrecent versions of the publications on the list. This also affected portions of the body ofthe specification.

11.

1.4 – Section for submittals was edited throughout.

12.

1.5.C – Added a spec writer note in front of this paragraph to explain that NFPA 85 applies
to this specification regardless of boiler size.

13.

1.7.F - Edited the spec writer notes preceding the paragraph to discuss elimination ofheavy fuels oils.

14.

2.1.A – Deleted the word “commercial” from the specification.

15.

2.1.E – Edited design pressure paragraph to reference maximum allowable working
pressure and explain basis for pressure.

16.

2.1.I – Deleted reference to ASME CSD-1.

17.

2.3.A – Added more specific burner requirement.

18.

2.3.A.4 – Added subparagraph to require easy fuel changeover.

19.

2.3.C.3.e - Added sentence prohibiting flame impingement on any surface.

20.

2.3.C.4.a – Added another minimum turndown ratio to the list.

21.

2.3.C.5.c – Edited the spec writer note in front of this paragraph to discuss the VA
preference for avoiding low NOx requirements if possible.

22.

2.3.D.7 – Edited subparagraph to limit length of flexible conduit.

23.

3.1.A – Added subparagraph about rework at no additional cost if the COR deems it to beunsatisfactory.

24.

3.3.A – Added references to the VA Boiler Plant Safety Device Testing Manual.

25.

3.3.D.1 – Added requirement for COR to witness hydrostatic tests.

26.

3.3.G.7.b. - Added reference to the VA Boiler Plant Safety Device Testing Manual and testforms.

27.

3.3.I – Added the requirement to retest safety devices.

28.

3.3.J – Added paragraph about re-performance of failed tests.

29.

3.4 – Added requirements for Startup and Testing section.

30.

3.5 - Added brackets around references to Division 23 Commissioning specification andadded requirements.

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:
Fire-Tube Boilers, 23 52 39
DATE OF VERSION BEING SUPERSEDED (old):
May 1, 2011
DESCRIPTION OF DOCUMENT (previous title, number, other identifying data):
Fire-Tube Boilers, 23 52 39
SUMMARY OF CHANGES IN THIS VERSION:
1.
2.
3.
4.
5.

Added Section 01 33 23, Shop Drawings, Product Data, and Samples under Paragraph1.2- Related Work.
Added Section 26 05 33, Raceway and Boxes for Electrical Systems under Paragraph 1.2Related Work.
Renumbered the paragraphs accordingly and revised the list under Paragraph 1.2
Related Work.
Corrected the section titles throughout the section to match the master list on the TIL.
Made general minor revisions.