7-!-DA27006-25255050 DFCM Addendum 1.pdf

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Attached to
DFCM Construction - Prequalified Mechanical Stage II - Capitol Preservation Board - Capitol Complex Utility Plant Boiler Replacement - 25255050
Solicitation number
DA27006
Issued by
Utah

About this file

This is Mechanical Addendum No. 1, issued by the Division of Facilities Construction and Management (DFCM) on behalf of the Capitol Preservation Board for the Utah State Capitol Central Utility Plant Boiler Replacement project (DFCM Project #25255050, U3P Event #DA27006). The addendum, dated July 21, 2026, provides modifications to the construction documents prior to the bid submittal deadline and must be acknowledged by all bidders upon submission. Changes include clarifications and modifications to the flue vent system on drawing sheets MD100 and MH100.1, specifically: four keynotes added to existing drawings calling out flue vent modifications, demolition of existing flue risers, and adjustments to flue riser elevations and connections. The mechanical work involves removing existing boiler CPB-5, capping ends, and managing four individual existing 8-inch flue vents located within a 32-inch flue riser shell, with the stack to be preserved and reused with new inserts to support the new flue vent. Updated mechanical drawings for the boiler room demolition plan and remodel plan phases are attached to the addendum.

The addendum notes that there are no changes to the solicitation schedule, and bidders are required to ensure all addendum additions and changes are incorporated into their bids under penalty of potential disqualification. The original project has a construction cost estimate of $351,000.00 and is limited to prequalified general contractors currently on the DFCM Prequalified Contractors list as of the solicitation date. The addendum references attachments including updated drawing sets dated June 24, 2026, prepared by Lynk Engineers, Inc., with design approval from Hansel Halverson.

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Text version

DFCM Addendum Cover Page, 2.26.2026

DFCM Addendum #1 Reference: Capitol Complex Utility Plant Boiler Replacement

Capitol Preservation Board DFCM Project #25255050 U3P Event #DA27006

Date: July 27, 2026

To: Prequalified General Contractors

From: The Division of Facilities Construction and Management

Note: This Addendum shall be included as part of the Contract Documents. Items in this Addendum apply to all drawings and specification sections whether referenced or not involving the portion of the work added, deleted, modified, or otherwise addressed in the Addendum. Bidders are required to acknowledge receipt of this Addendum when their bid is submitted. Failure to do so may subject the Bidder to disqualification.

Addendum Items

Solicitation Schedule Changes: There are no changes to the Solicitation Schedule in this addendum.

DFCM Addendum Items: N/A

Click to enter text Click to enter text Click to enter text

A/E Addendum Items: A/E Addendum # 1, dated July 21, 2027 Click to enter text

Total Attached Pages: 3

324 STATE STREET, SUITE 400, SALT LAKE CITY, UT 84111 / 800.678.7077 / LYNKENGINEERS.COM

MECHANICAL ADDENDUM NO. 01

To: Levi Waldron From: Hansel Halverson

Company: Division of Facilities Construction & Management

Date: July 21, 2026

Project: Utah State Capitol Central Utility Plant Boiler Replacement

The following changes as described below are issued as an addendum to the construction documents prior to bid submittal due date. The contractors are responsible to ensure all addendum additions and/or changes are included in their bid.

Drawings

Sheet MD100

1. Added keynote 3 for existing flue vent clarification.

2. Added keynote 4 to call out flue vent modification.

3. Added flue vent demo.

4. Added elevation of flue riser demo.

5. Added existing flue vent photos for clarification.

Sheet MH100.1

1. Added keynote 5 to call out flue vent modification.

2. Added flue riser modification.

3. Adjusted elevation view to show flue riser modification.

4. Adjusted flue connection to riser.

Specifications

Attachments

CUP Boiler_Drawings_Addendum 1_260721

End of Addendum

D D

E E

F F

STORAGE

EXTRACTION BAY

BOILER ROOM

CPB-1

CPB-3

CPBCP-1

CPBCP-2

CPSHWP-1

CPSHWP-2

CPSHWP-3

PET-7

PET-6

PET-5

PET-4

(E) 8"ø HWR(E) 10"ø HWR(E) 10"ø HWR

CPB-5 CPB-4

(E) 24"Ø FV

(E) 32"Ø FV

(E) 32"Ø FV

(E) 32"Ø FV UP

(E) 32"Ø FV UP

(E) 32"Ø FV UP

(E) 8"Ø FV (E) 8"Ø FV

(E) 10"ø HWR

(E) 10"ø HWR

(E) 10"ø HWS

(E) 10"ø HWS

(E) 8"ø HWS

(E) 6"ø HWR

(E) 10"ø HWS (E) 8"ø HWS

(E) 8"ø HWR

(E) 32"Ø FV UP1

MH100.1

MD100

E E

(E)CPB-4

(E)CPB-3

(E)CPAE-2

CPB-5

(E) 6"ø HWS

(E ) 6

"ø H

W R

LEVEL 1

0' - 0"

BASEMENT

-18' - 0"

LEVEL 1

0' - 0"

BASEMENT

-18' - 0"

(E) 8"Ø FV3

(E) 32"Ø FV4

STACK INSERT

TWO EXISTING 8"

FLUES TO BE DEMOED

AND REPLACED WITH

NEW SINGLE 12" FLUE.

767601

6HANSEL H.

HALVERSON

E

ED

P ROF E S S

ENG

I ONA L

IN

E

E R

S N

CI

L

S T A T E O F T A H U

324 S. State St., Suite 400 Salt Lake City, UT 84111

800-678-7077 801-328-5151 www.lynkengineers.com

C

A

B

2 3

D

E

1 2 3

C

4 5

2026 Lynk Engineers, Inc.

SHEET TITLE

PROJECT NO:

DRAWN BY:

CHECKED BY:

SIGNATURE:

RECORD DRAWING DATE:

DESIGNED BY:

A

ISSUE:

DATE:

B

4 5

D

CONSULTANTS

E

DFCM PROJECT NO: 25255050

2026.06.24

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2025-139.02

06/24/2026

PERMIT SET

BOILER ROOM MECHANICAL

DEMO PLAN

MD100

DFCM

UTAH STATE

CAPITOL CENTRAL

UTILITY PLANT

BOILER

REPLACEMENT

20 E 500 NORTH

SALT LAKE CITY, UT 84103

MECHANICAL GENERAL NOTESSHEET KEYNOTES

NORTH

SCALE: 1/4" = 1'-0"1 BOILER ROOM MECHANICAL DEMOLITION PLAN - PHASE 1

1.

2.

3.

4.

5.

ALL ITEMS SHOWN LIGHT ARE EXISTING.

ALL ITEMS SHOWN DARK AND DASHED ARE TO BE DEMOLISHED.

PATCH AND REPAIR ALL ITEMS DAMAGED DURING DEMOLITION.

WHERE SYSTEMS ARE PARTIALLY DEMOLISHED, SEE NEW WORK PLANS FOR INFORMATION ON NEW

CONNECTIONS. WHERE NO NEW CONNECTIONS ARE SHOWN ON NEW WORK PLANS, CAP PARTIALLY

DEMOLISHED SYSTEMS SO THE SYSTEM CAN BE RETURNED TO SERVICE.

CONTRACTOR IS TO FIELD VERIFY ALL EXISTING CONDITIONS PRIOR TO COMMENCING ANY WORK.

1 REMOVE EXISTING CPB-5.

2 CAP END.

3 FOUR INDIVIDUAL EXISTING 8" FLUE VENTS LOCATED WITHIN 32" FLUE RISER SHELL.

4 REMOVE STACK AS REQUIRED FOR DEMOLITION. PRESERVE AND REUSE. PROVIDE NEW INSERTS TO

SUPPORT NEW FLUE VENT.

SCALE: 1/4" = 1'-0"2 BOILER ROOM MECHANICAL DEMOLITION PLAN - PHASE 2

Mark: Date: Description 1 07/21/2026 Addendum 1

SCALE: 1/8" = 1'-0"3 FLUE RISER DEMO

SCALE: NTS4 EXISTING FLUE VENT PHOTOS

D D

E E

F F

(E)CPBCP-1

(E)CPBCP-2

(E)CPSHWP-1

(E)CPSHWP-2

(E)CPSHWP-3

(E)CPB-4

(E)CPB-3 (E)CPB-1

(E) 24"Ø FV

(E) 32"Ø FV

(E) 32"Ø FV

(E) 24"Ø FV

(E) 8"Ø FV

(E)PET-4

(E)PET-5

(E)PET-6

(E)PET-7

(E) 32"Ø FV UP

(E) 32"Ø FV UP

(E) 32"Ø FV UP

(E) 10"ø HWR

(E) 10"ø HWR

(E) 10"ø HWS

(E) 8"ø HWS

(E) 10"ø HWS

(E) 10"ø HWR

(E) 10"ø HWS (E) 8"ø HWS

(E) 8"ø HWR(E) 10"ø HWR

(E) 8"ø HWR

STORAGE

EXTRACTION BAY

BOILER ROOM

6"ø HWR

6"ø HWS

6"ø HWR

(E)CPAE-2

8" ø

HW

R

8" ø

HW

S

6"ø HWS

12"Ø FV

ME601

CPB-5

(E) 10"ø HWR (E) 10"ø HWS

(E) CV-1

MH100.1

(E) 8"Ø FV UP

(E) CV-2

(E) 8"Ø FV

MD100

32"Ø FV 5

12"Ø FV UP

LEVEL 1

0' - 0"

BASEMENT

-18' - 0"

LEVEL 1

0' - 0"

BASEMENT

-18' - 0"

12"Ø FV

32"Ø FV

12"Ø FV

767601

6HANSEL H.

HALVERSON

E

ED

P ROF E S S

ENG

I ONA L

IN

E

E R

S N

CI

L

S T A T E O F T A H U

324 S. State St., Suite 400 Salt Lake City, UT 84111

800-678-7077 801-328-5151 www.lynkengineers.com

C

A

B

2 3

D

E

1 2 3

C

4 5

2026 Lynk Engineers, Inc.

SHEET TITLE

PROJECT NO:

DRAWN BY:

CHECKED BY:

SIGNATURE:

RECORD DRAWING DATE:

DESIGNED BY:

A

ISSUE:

DATE:

B

4 5

D

CONSULTANTS

E

DFCM PROJECT NO: 25255050

2026.06.24

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RJF

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RJF

2025-139.02

06/24/2026

PERMIT SET

BOILER ROOM MECHANICAL

REMODEL PLAN - PHASE 1

MH100.1

DFCM

UTAH STATE

CAPITOL CENTRAL

UTILITY PLANT

BOILER

REPLACEMENT

20 E 500 NORTH

SALT LAKE CITY, UT 84103

MECHANICAL GENERAL NOTESSHEET KEYNOTES

SCALE: 1/4" = 1'-0"1 BOILER ROOM MECHANICAL REMODEL PLAN

NORTH

1.

2.

COORDINATE FLUE ROUTING WITH PLUMBING AND MECHANICAL PIPING. PROVIDE OFFSETS AS

NECESSARY.

SLOPE FLUE TOWARD BOILER.

1 SLOPE FLUE TOWARD BOILER.

2 INSTALL NEW BOILER ON EXISTING HOUSEKEEPING PAD. PROVIDE NEOPRENE PAD AND ANCHOR TO

HOUSEKEEPING PAD AS DESCRIBED BY THE SEISMIC ENGINEER HIRED BY THE MECHANICAL

CONTRACTOR.

3 CONNECTION FOR PHASE 2 CONNECTION OF CPB-4.

4 INSTALL NEW ISOLATION VALES TO FACILITATE PHASE 2 DEMOLITION.

5 REMOVE STACK AS REQUIRED FOR DEMOLITION. PRESERVE AND REUSE. PROVIDE NEW INSERTS TO

SUPPORT NEW FLUE VENT.

SCALE: 1/8" = 1'-0"2 FLUE RISER

Mark: Date: Description 1 07/21/2026 Addendum 1

Addendum 1 (2).pdf
CUP Boiler_Drawings_Addendum 1_260721.pdf
MD100 - BOILER ROOM MECHANICAL DEMO PLAN
MH100.1 - BOILER ROOM MECHANICAL REMODEL PLAN - PHASE 1

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