2.1.1 Attachment 3 - Express Cal Wildfire HVAC Wall Mounted Revision Log - FEB-03-2025.pdf

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Amendment # 5 70FB8025R00000018 - DHS FEMA Manufactured Housing Units (MHUs) 2025
Solicitation number
70FB8025R00000018
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About this file

The document is a revision log for a FEMA Manufactured Housing Unit (MHU) HVAC Wall Mounted design, detailing changes made from March 2021 to February 2025. The log systematically tracks modifications across multiple pages, including updates to cover pages, HVAC unit specifications, electrical components, structural elements, and notes related to FEMA Technical Bulletins. Key revisions include adjustments to closet shelves, dehumidifier placement, HVAC opening heights, sprinkler head locations, roof sheathing, and various technical notes, with each entry specifying the exact page and nature of the change. The comprehensive log demonstrates ongoing design refinement and compliance with FEMA technical requirements for manufactured housing units.

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Text version

Date Description

3/3/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 1.2.1 - Appendix A Index was removed.

3. Page 20 - Sprinkler head backers relocted per Jensen Hughes 9-30-20 revisions and revision date updated.

6/18/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 2 - Adjusted closet shelves per FEMA Technical Bulletin.

3. Page 6 - Revised location of optional FEMA supplied dehumidifer.

4. Page 9 - Added HVAC general note 8 per FEMA Technical Bulletin.

5. Page 17.1 - Revised splice plate fastening notes & note 4 per FEMA Technical Bulletin.

6. Page 17.2 - Revised note 4 per FEMA Technical Bulletin.

7. Page 19 - Revised note 4 per FEMA Technical Bulletin.

8. Page 20 - Revised note 4 per FEMA Technical Bulletin.

9. Page 29.2 - Clarified tie down straps provided by FEMA setup contractor, updated test report reference & removed old note 3.

7/1/2021 Package updates dated 06-18-21 were P.E. sealed on 6-30-2021 and sent to FEMA.

8/31/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 9 - Relocated supply registers, jumper duct and return air plenum.

9/20/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 6 - Removed extra kitchen countertop receptacles. Changed washer electrical symbol. Revised note 1 to state, "maximum". Clarified TPS electrical box and exterior receptacle location on rear endwall.

3. Page 11.1 - Relocated angle gusset at 40'-0" to back side of crossmember to avoid sprinkler riser.

4. Page 11.2 - Added spring hanger dimension per vendor. Added note on Detail A that hitch to be painted green.

5. Page 17.2 - Increased HVAC opening height from 13 3/4" to 14".

6. Page 18.1 - Increased endwall to sidewall screw length from 4" to 4 1/2".

7. Page 18.2 - Increased HVAC opening height from 13 3/4" to 14". Increased endwall to sidewall screw length from 4" to 4 1/2". Added note 11.

8. Page 21 - Added backers for sprinkler soffit clips.

10/6/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 9 - Clarified transition duct from HVAC unit to duct system.

11/29/2021

1. Page 1.1 - Cover page & revision date was updated.

2. Page 11.1 - Called out spring length in note 13.

3. Page 11.2 - Increased spring hanger height to 4".

4. Page 17.1 - Added note 12.

5. Page 17.2 - Updated HVAC Unit Opening per Vendors updated opening dimensions.

6. Page 18.2 - Updated HVAC Unit Opening per Vendors updated opening dimensions.

7. Page 19 - Added note 22.

8. Page 20 - Added note 22.

9. Page 22 - Revised roof sheathing length.

10. Page 23 - Called out baffle material.

16 - Express Cal Wildfire HVAC Wall Mounted Revision Log

2/5/2025 1 of 2

Attachment 3

Date Description

16 - Express Cal Wildfire HVAC Wall Mounted Revision Log

2/25/2022

1. Page 1.1 - Cover page & revision date was updated.

2. Page 6 - Added note 25.

3. Page 9 - Revised note 3.

4. Page 11.1 - Revised note 13.

5. Page 21 - Added ceiling register locations and relocated smoke alarms.

6/3/2022

1. Page 1.1 - Cover page & revision date was updated.

2. Page 21 - Revised note 6.

9/8/2022

1. Page 1.1 - Cover page & revision date was updated.

2. Page 18.1 - Added note 9.

3. Page 18.2 - Added note 9.

1/17/2023

1. Page 1.1 - Cover page & revision date was updated.

2. Page 6 - Remove exterior service entrance junction box and conduit. Drop conduit straight down from main distribution panel. Added symbol. Revised notes 10 through 13.

3. Page 29.2 - Revise vertical tie down note reference from page 14 to page 13.

11/15/2023

PE seal box was added to some drawings. No changes were made to these drawings except as noted below. Existing notes and details, in some cases, were moved to accomodate the PE seal box.

1. Page 1.1 - Cover page & revision date was updated. Note: Opt. dehumidfier location shown on all plans.

2. Page 2 - Added opt. dehumidifer location & note and Note 1.

3. Page 6 - Added Circuit 20 to schedule, opt. dehumidifier symbol to legend and opt. dehumidifer location and circuit number. Updated notes 12, 13 and 14.

4. Page 9 - HVAC General Notes - Removed note 11.

5. Page 10 - Revised to show Service Entrance Conduit.

6. Page 11.1 - Revised frame specs notes stating, "or equivalent with transportation test."

7. Page 17.1 & 17.2 - Revised note 11.

8. Page 19 & 20 - Revised 19.

9. Page 27 - Revised to show Service Entrance Conduit.

2/3/2025

1. Page 1.1 - Cover page & revision date was updated.

2. Page 6 - Note 14 - Clarified 60 minute requirement.

3. Page 17.1 - Note 10 - Added reference to Appendix A note for window and door flashing.

4. Page 17.2 - Note 10 - Added reference to Appendix A note for window and door flashing.

5. Page 19 - Note 11 - Added reference to Appendix A note for window and door flashing.

6. Page 20 - Note 11 - Added reference to Appendix A note for window and door flashing.

2/5/2025 2 of 2

Attachment 3

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