RFB952200-01 - Addendum 1.pdf

DOC NCF Dietary and Laundry Hot Water Tank Replacement Newton, Iowa

RFB952200-01

Addendum #01

ADDENDUM #01

Project Name: DOC NCF Dietary and Laundry Hot Water Tank Replacement

DAS# 9522.00

RFB 952200-01

Dated: September 29, 2026

This Addendum forms a part of the bidding and contract documents. This Addendum supersedes and supplements all portions of the original bidding and contract documents dated September 09, 2026 with which it conflicts.

ACKNOWLEDGE RECEIPT OF THIS ADDENDUM IN THE SPACE PROVIDED ON THE

BID FORM. FAILURE TO DO SO MAY SUBJECT THE BIDDER TO

DISQUALIFICATION.

1) CLARIFICATIONS

A. Refer to revised plan sheet M1-22 – Second Floor Plumbing Plans

1. Revised tank expansion tanks

2. Revised existing circulation pump between tanks and boilers to remain until boiler replacement project.

B. Refer to revised plan sheet M6-11 – Plumbing Schedules, Isometrics, and Details

1. Revised expansion tank schedule.

2. Revised existing circulation pump between tanks and boilers to remain until boiler replacement project on the isometric and detail.

2) SPECIFICATIONS

A. See attached Section 22 3000: Plumbing Equipment

1. Revised 2.02 Expansion Tanks. Replaced section in its entirety.

B. See attached Specifications cover sheet with revised Samuels Group address.

3) QUESTIONS

A. None

4) SUBSTITUTION REQUESTS

A. 22 3000: Domestic hot water storage tanks:

RFB952200-01

1. American Wheatley

B. 22 3000: Expansion tanks:

1. American Wheatley

5) ATTACHMENTS

A. Pre-Bid meeting agenda and sign in sheet

B. 22 3000: Plumbing Equipment

C. M1-22

D. M6-11

E. Prebid agenda and sign-in sheet

F. Specifications Cover Sheet

END OF ADDENDUM

RFB952200-01

PROJECT 9522.00 Plumbing Equipment 09-09-26 223000 - 1

SECTION 223000

PLUMBING EQUIPMENT

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Domestic hot water storage tanks.

B. Diaphragm-type compression tanks.

1.02 RELATED REQUIREMENTS

A. Section 260583 - Wiring Connections: Electrical characteristics and wiring connections.

1.03 REFERENCE STANDARDS

A. ASME BPVC-VIII-1 - Boiler and Pressure Vessel Code, Section VIII, Division 1: Rules for

Construction of Pressure Vessels; 2025, with Errata .

1.04 SUBMITTALS

A. See Section 013000 - Administrative Requirements for submittals procedures.

B. Product Data:

1. Provide dimension drawings of water heaters indicating components and connections to other equipment and piping.

C. Warranty Documentation: Submit manufacturer warranty and ensure that forms have been completed in Owner's name and registered with manufacturer.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Provide temporary inlet and outlet caps. Maintain caps in place until installation.

1.06 WARRANTY

A. See Section 017800 - Closeout Submittals for additional warranty requirements.

B. Water Storage Tank Manufacturer Warranty: Provide minimum 10 years manufacturer warranty for water storage tanks. Complete forms in Owner's name and register with manufacturer.

PART 2 PRODUCTS

2.01 DOMESTIC HOT WATER STORAGE TANKS

A. Manufacturers:

1. Laars: www.laars.com/.

2. Lochinvar: www.lochinvar.com/.

3. Niles: www.nilesst.com/.

4. PVI: www.pvi.com/.

5. American Wheatley: www.americanwheatley.com/.

6. Substitutions: See Section 016000 - Product Requirements.

B. Tank: Welded steel, ASME labeled for working pressure of 125 psig, steel support saddles, tappings for accessories, threaded connections, access manhole.

C. Insulation:

1. BASE BID: Refer to Section 220716 - Plumbing Equipment Insulation.

2. ALTERNATE #2: Manufacturer applied, field repairable, spray polyurethane foam with a

100% acryilic topcoat.

a. Polyurethane Foam: >90% closed cell contect, minimum 0.17 K-factor, maximum 2.9 perms, ASTM E-84 compliant flame spread, minimum R-16.

b. Acrylic Coating: minimum 25 mils thick, smooth, 11 perms @ 20 mils.

D. Lining: 20 mil thick finished glass lining extended through connections. Minimum adheasion of Class 4. Minimum spot acid testing of Class A.

RFB952200-01

PROJECT 9522.00 Plumbing Equipment 09-09-26 223000 - 2

E. Openings and Connections:

1. Threaded top hot water outlet, bottom cold water inlet, 3 inch. Minimum two each.

2. Threaded openings for aquastat, drain, PT release valve, and thermometer.

F. Accessories: Provide aquastat, drain valve, and pressure-temperature (PT) relief valve ASME rated for maximum working pressure, and two magnesium anodes.

2.02 EXPANSION TANKS

A. Manufacturers:

1. Amtrol Inc: www.amtrol.com/#sle.

2. Bell & Gossett, a brand of Xylem, Inc: www.bellgossett.com/#sle.

3. Taco, Inc: www.taco-hvac.com/#sle.

4. American Wheatly: www.americanwheatley.com/.

5. Substitutions: See Section 016000 - Product Requirements.

B. Construction: Welded steel, tested and stamped in accordance with ASME BPVC-VIII-1;

supplied with National Board Form U-1, rated for working pressure of 125 psig, with flexible EPDMor seamless heavy duty butyl rubber bladder. All wetted components shall be fabricated of FDA approved materials. Bladder shall be able to accept the partial or full volume of the expansion tank and shall be removable and replaceable. The bladder shall be fabricated to allow the bag to more easily collapse and facilitate replacement. The bladder shall be connected to the top of the tank via a hose/tube that with distribution holes that facilitate even expansion of the bladder. Threaded water connection.

C. Accessories: Pressure gauge and air-charging fitting, tank drain, lifting lug; precharge to 40 psig.

PART 3 EXECUTION

3.01 INSTALLATION

A. Install plumbing equipment in accordance with manufacturer's instructions, as required by code, and complying with conditions required for applicable certifications.

B. Electrical Work: Provide automatic control and protective devices with associated wiring to interconnect related interfaced devices required for specified operation.

C. Coordinate system, equipment, and piping work with applicable electrical, fuel, gas, vent, drain, and waste support interconnections as included or provided by other trades.

D. Domestic Water Storage Tanks:

1. Provide factory installed support, independent of building structural framing members.

2. Clean and flush. Seal until pipe connections are made.

END OF SECTION 223000

State of Iowa - Department of Administrative Services 109 SE 13th St.

Des Moines, Iowa 50319 P: (515) 281-7260

Project: 9522.00 DOC NCF Dietary and Laundry Hot Water Tank Replacement

307 S 60th Ave E W Newton, Iowa 50208

P: 641-792-7552

RFB Pre-Bid Agenda: Meeting #1

Meeting Date Sep 22, 2026 Meeting Time 11:00 am - 12:00 pm Central Time (US & Canada)

Meeting Location NCF Facility Video Conferencing Link

Join Meeting

Overview Meeting to allow prospective bidders to visit the site, when possible, and learn more about the project.

Attachments

Scheduled Attendees

Name Company Phone Number Email

Andy Hummel I&S Group Inc. P: (515) 243-9143 andy.hummel@isginc.com

Adam Puls I&S Group Inc. P: (515) 243-9143 adam.puls@isginc.com

Brad Heir Newton Correctional Facility P: (515) 314-8820 brad.hier@iowa.gov

Ryan Trease Newton Correctional Facility P: (641) 792-7552 ryan.trease@iowa.gov

Mike Brooks Samuels Group, Inc. P: (515) 288-0467 mbrooks@samuelsgroup.net

Jerry Dehnke Samuels Group, Inc. P: (515) 288-0467 jdehnke@samuelsgroup.net

Cody Lawrence Samuels Group, Inc. P: (515) 288-0467 clawrence@samuelsgroup.net

Mac McKeever Samuels Group, Inc. mmckeever@samuelsgroup.net

Brian Polzin Samuels Group, Inc. P: (715) 841-1982 bpolzin@samuelsgroup.net

Bill Reynolds Samuels Group, Inc. P: (515) 288-0467 breynolds@samuelsgroup.net

Chitrangi Shastri Samuels Group, Inc. P: (515) 518-6575 cshastri@samuelsgroup.net

Brad Tonyan State of Iowa - Department of Administrative Services

P: 515-360-7718 brad.tonyan@iowa.gov

Introduction

No. Mtg Origin Title Assignment Due Date Priority Status

1.1 1 Introductions Open

Description Everyone please make sure to fill in the sign in sheet

Project Overview

State of Iowa - Department of Administrative Services Page 1 of 4 Printed On: Sep 29, 2026 11:18 AM CDT https://teams.microsoft.com/meet/273474402386623?p=EfSAa59AZCcFMMjRTh

2.1 1 Project Description Open

Description Replacement of dietary and laundry domestic hot water storage tanks, including removal and replacement of existing storage tanks and one expansion tank, installation of one additional expansion tank, temporary removal and reinstallation of the louver, outdoor air intake plenum, and exhaust ductwork, revisions to plumbing piping as required, and all related work indicated in the drawings and specifications

• Base Bid - BP 01 - Dietary and Laundry Hot Water Tank Replacement

• Alternates -o ALT 01 - Outdoor Air Insulation o ALT 02 - Manufacturer Applied Tank Insulation

• Unit prices - No unit prices

• The owner has an electrical transformer they would like lifted into the mechanical room at the same time the new water tanks are being lifted. This contractor is to include some crane time in this bid for this lift. The owner will be responsible for getting the transformer to the crane site and will move the equipment once its in the building. The transformer weighs 3960 LBS. (see pic in appendix)

2.2 1 Project Schedule Open

Description

• Contract(s) Issued: Oct. 7 - 23.

• Submittals: Oct. 23 to Nov. 25

• Construction: April 5 to April 30, 2027 (Depending on lead time for equipment)

• Closeout: May 2027

A pull-plan session will be held with the successful bid package contractors to finalize the construction schedule.

State Holidays: New Year's Day, Martin Luther King Day, Memorial Day, 4th of July, Labor Day, Veterans Day, Thanksgiving and day after Thanksgiving, Christmas Day

2.3 1 Site Rules Open

Description

• Onsite supervision by Prime Contractor is required at all times when work by that contractor or their subcontractors/suppliers is taking place.

• Contractors shall provide daily logs for each day they are on site.

• Construction progress meeting will be established once construction starts.

• It is of the utmost importance to show respect and courtesy to all staff at all times.

• Clean all debris, materials, and bring all finishes back to existing conditions in the area they were working in prior to moving to the next area.

• No smoking, vaping or smokeless tobacco use onsite.

Contractors are to make sure the Appendix is reviewed for additional facility information.

Meeting #1 - RFB Pre-Bid Project: 9522.00 DOC NCF Dietary and Laundry Hot Water Tank Replacement

State of Iowa - Department of Administrative Services Page 2 of 4 Printed On: Sep 29, 2026 11:18 AM CDT

• Temporary facilities o Toilets - Contractor's use of owner's toilets in the building the work in being completed in is available. Unless the contractor wants to provide their own temporary toilet outside the prison fence.

o Owner will provide electrical power and water.

• Demolished equipment - To be removed from the facility by the contractor.

• Tool control

• Cell phones

• Background checks - Will need to be completed by all workers on site.

• Work hours: Work hours are from 07:00 AM to 03:00 PM, Monday through Friday, unless arrangements are made in advance. See the information in the appendix for added information on work hours.

• View Specification 01 1200 - Contract Summary for more information.

RFB Overview

3.1 1 Bid Submission Open

Description

• Bids are due: October 6, 2026 by 2:00 pm

• The Bid shall be submitted to the Issuing Officer through the IMPACS Electronic Procurement System.

o Link and information is in the project manual o Contractors will need to register prior to bidding o Bidders will need to register regardless of whether it has already done business with the State of Iowa.

o Bidders should complete the registration process and ensure the ability to log in as soon as possible to ensure Bids can be submitted on the due date. DO THIS DAYS BEFORE BID ARE DO.

o Please make sure the electronic documents submitted contain any required signatures. Digital signatures will be accepted.

• Bid Opening will be held via conference call:

o Dial in by phone - 3:00 pm October 6, 2026 +1 469-998-6043,,30563855# United States, Dallas Phone conference ID: 305 638 55#

• Contractor shall reference section 00 0116 for the bid submittal checklist o Bid Proposal Information o Non Discrimination Clause Information o Contractor Targeted Small Business Enterprise Pre-Bid Contract Information o Bid Security – 5% of total Bid amount

• Apparent low bidder will be required to submit subcontractor/supplier list 48hrs after the bid opening.

3.2 1 Bid Schedule Open

Description

• Questions/Substitutions Due in Writing to Construction.Procurement@das.iowa.gov: September 24, 2026 by 2:00 pm

• Addendum Issued: September 29, 2026

• Bids Due: October 6, 2026 by 2:00 pm

State of Iowa - Department of Administrative Services Page 3 of 4 Printed On: Sep 29, 2026 11:18 AM CDT mailto:Construction.Procurement@das.iowa.gov:

• Tentative NOI Issued: October 7, 2026

3.3 1 Administrative Details Open

Description

• Contractors will sign a modified ConsensusDocs 802. Example in the project manual.

• Project-specific Certificate of Insurance must be provided prior to contract execution. Follow example in the project manual and limits in the 802.

• Project-specific P&P bonds must be provided prior to contract execution.

• Successful contractor must turn in their list of subcontractors and suppliers within 48 hours of the bid.

• DAS will provide tax exempt certificates upon request.

• Procore will be used for all project management, at no cost to the trade contractor.

o Submittals, Invoicing, RFIs, ASIs, PRs, RFQs o Contracts, Change Orders and Certificates of Substantial and Final Completion will also use Docusign

• Contractor Schedule of Values shall be broken out as specified in the project manual.

o SOV must contain a closeout line item for at least 1% of the total contract value.

o This line item can only be invoiced once the certificate of final completion has been signed by all parties.

• Contractors are to provide a site-specific safety plan before construction begins.

3.4 1 Pre-Bid Site Visits Open

Description No additional site visits are planed besides today for this project.

Questions

4.1 1 Questions Open

Description Submit all questions in writing to construction.procurement@iowa.gov.

Questions or substitution requests are due in writing by September 24, 2026 by 2:00 pm.

State of Iowa - Department of Administrative Services Page 4 of 4 Printed On: Sep 29, 2026 11:18 AM CDT mailto:construction.procurement@iowa.gov

PROJECT MANUAL

PROJECT NAME:

DOC NCF Dietary and Laundry Hot Water

Tank Replacement

PROJECT ADDRESS:

Newton Correctional Facility (NCF)

307 S 60th Ave. W, Newton, Iowa 50208

PROJECT DATE: September 9, 2026

OWNER:

Iowa Department of Administrative Services

109 Southeast 13th Street

Des Moines, Iowa 50319

OWNER PROJECT NUMBER: 9522.00

OWNER REQUEST FOR BID NUMBER: RFB 952200-01

CONSTRUCTION MANAGER:

Samuels Group

2929 Westown Parkway, Suite 200

West Des Moines, IA 50266

CONSTRUCTION MANAGER PROJECT NUMBER: 7926

ARCHITECT:

ISG

217 E 2nd Street, Suite 110

Des Moines, Iowa 50309

ARCHITECT PROJECT NUMBER: 26-34495

EX DHW - 140°

EX DCWS

EX DHWR - 160°

EX DHW - 140°

EX NG

EX DHW - 160°

EX DHWR - 160°

EX DCWS

EX DWH-H1

EX DWH-H2 EX DWH-H3

EX DWH-H4 EX DWH-H5

EX WSFT

D2

D2

EX STORAGE

TANK

EX STORAGE

TANK

EX

EXPANSION

TANK

EX DHW - 140°

EX DHW - 160°

EX DCWS

EX DHW - 160°

EX DHWR - 160°

EX DCWS

EX FP-W

EX DCW

EX FP-W

EX DHW

EX DCW

EX DHWR

EX DHW - 140°

D4

D4

M6-11

D7

D8

M6-11

ST-1

ST-2

ET-2

EX DHW - 140°

EX DCWS

EX DHWR - 160°

EX DHW - 140°

EX NG

EX DHW - 160°

EX DHWR - 160°

EX DHW - 140°

EX DHW - 160°

EX DCWS

EX DHW - 160°

EX DHWR - 160°

EX DCWS

EX FP-W

EX DCW

EX FP-W

EX DHW

EX DCW

EX DHWR

EX DHW - 140°

EX DWH-H1

EX DWH-H2 EX DWH-H3

EX DWH-H4 EX DWH-H5

ET-1

EX DHWR - 160°

EX DHW - 160°

EX DCWS

P1 P2 P4

P1

P2

P4

P3

1" DCWS

1" DCWS

EX DCWS

P5

P6

P6

P7

P7

3/4" DHWR - 160°

2" DCWS

P11

P10

P10

P9

P10

P11

2" DCWS

P9 P10P10

P10

1/4" = 1'-0"2

SECOND FLOOR PLUMBING PLAN - MECHANICAL ROOM

N

/2

/4

R E

F E

R E

N C

E S

C A

L E

SHEET

PROJECT

PROJECT NO.

FILE NAME

DRAWN BY

DESIGNED BY

ORIGINAL ISSUE DATE

CLIENT PROJECT NO.

TITLE

REVIEWED BY

THIS DOCUMENT IS THE PROPERTY OF I & S GROUP,

INC. AND MAY NOT BE USED, COPIED OR DUPLICATED

WITHOUT PRIOR WRITTEN CONSENT.

© 2024 I & S GROUP, INC.

9/29/2026 8:42:26 AM

M1-22

SECOND FLOOR

PLUMBING PLANS

N.C.F. DIETARY &

LAUNDRY

NEWTON IOWA

HP, ACH

ACH

09/09/26

AWP

9522.00

26-34495

HOT WATER TANK

REPLACEMENT

M1-22 SECOND FLOOR PLUMBING PLANS

600 34495 M1-22

1/4" = 1'-0"1

SECOND FLOOR PLUMBING DEMOLITION PLAN - MECHANICAL ROOM

KEYPLAN

SUPPORT

BUILDING "H"

KEYNOTE LEGEND

D2 REMOVE AND DISPOSE OF EXISTING STORAGE TANK AND

PIPING AS NOTED ON PLANS.

D4 PREPARE PORTION OF PIPE WITH TEE OR TAP FOR

CONNECTION NEW EXPANSION TANK.

D7 SEE DEMOLITION ISOMETRIC 2 / M6-11 FOR FURTHER

EXTENTS OF PIPE REMOVAL.

D8 SEE DEMOLITION ISOMETRIC 4 / M6-11 FOR FURTHER

EXTENTS OF PIPE REMOVAL.

P1 INSTALL NEW STORAGE TANK. INSTALL NEW PIPE TO TANK

AND MATCH EXISTING PIPE SIZES.

P2 PROVIDE NEW TEMPERATURE GUAGE.

P3 RESTORE RECIRCULATION PUMP TO EXISTING OPERATION.

P4 PROVIDE NEW T&P RELIEF VALVE AND DISHCARGE PIPE.

ROUTE PIPE TO NEAREST FLOOR DRAIN AND TERMINATE

WITH AIR GAP.

P5 CONNECT NEW EXPANSION TANK PIPE INTO DOMESTIC

WATER SUPPLY PIPE.

P6 COORDINATE WITH OWNER FOR SCHEDULING OF TANK

STAGING AND INSTALLATION TO MINIMIZE SYSTEM DOWN

TIME.

P7 UTILIZE AS MUCH EXISTING STAINLESS STEEL PIPING AS

POSSIBLE. SEE SPECIFICATIONS NEW PIPE MATERIAL

INSTALLATION.

P9 CHECK VALVE.

P10 ISOLATION VALVE.

P11 BUTTERFLY VALVE.

1. FIELD VERIFY ALL SITE CONDITIONS BEFORE STARTING

CONSTRUCTION.

2. ALL EXISTING DUCTWORK, PIPING, EQUIPMENT, ETC.

INDICATED ON PLANS ARE BASED ON INFORMATION

FROM CONSTRUCTION DOCUMENTS AND FIELD

VERIFICATION OF EXISTING BUILDING.

3. COORDINATE INSTALLATION OF ALL NEW DUCTWORK,

PIPING, EQUIPMENT, ETC. WITH OTHER TRADES.

SHEET NOTES

REVISION SCHEDULE

DATE DESCRIPTION BY

09/29/26 ADDENDUM #1 ACH

DHW - 140°

DHW - 140°

DHW - 140°

DHWR - 140°

ST-1

ET-1

P1

P4

P2

D2

D5

ET-2

ST-2

P1

P4

P2

D2

FINISHED FLOOR

EXISTING HOT WATER

CIRCULATION PUMP

DCW

DHWR

ST-2

ET-1

160° DHW TO LAUNDRY ROOM

160° DHWR FROM LAUNDRY ROOM

SOFTENED WATER SUPPLY

COMBINATION TEMPERATURE AND PRESSURE RELIEF

PER LOCAL CODE

FLOOR DRAIN

TEMP SENSOR

TO BOILERS

FROM BOILERS

TEMPERATURE GAUGE

TEMPERATURE

GAUGE

ISOLATION VALVE (TYP)

STRAINER

CHECK VALVE (TYP)

EXISTING CIRCULATION PUMP

BETWEEN TANK AND BOILERS TO

REMAIN.

FINISHED FLOOR

EXISTING HOT WATER

CIRCULATION PUMP

DCW

DHWR

ST-1

ET-1

140° DHW TO FIXTURES AND TMV

140° DHWR FROM SYSTEM

SOFTENED WATER SUPPLY

COMBINATION

TEMPERATURE AND

PRESSURE RELIEF PER

LOCAL CODE

FLOOR DRAIN

TEMP SENSOR

EXISTING CIRCULATION PUMP

BETWEEN TANK AND BOILERS

140° DHW FROM BOILERS

TO BOILERS

TO TMV

TEMPERATURE

GUAGE

TEMPERATURE GUAGE

/2

/4

R E

F E

R E

N C

E S

C A

L E

SHEET

PROJECT

PROJECT NO.

FILE NAME

DRAWN BY

DESIGNED BY

ORIGINAL ISSUE DATE

CLIENT PROJECT NO.

TITLE

REVIEWED BY

THIS DOCUMENT IS THE PROPERTY OF I & S GROUP,

INC. AND MAY NOT BE USED, COPIED OR DUPLICATED

WITHOUT PRIOR WRITTEN CONSENT.

© 2024 I & S GROUP, INC.

9/29/2026 8:42:15 AM

M6-11

PLUMBING

SCHEDULES,

ISOMETRICS, AND

DETAILS

N.C.F. DIETARY &

LAUNDRY

NEWTON IOWA

HP, ACH

ACH

09/09/26

AWP

9522.00

26-34495

HOT WATER TANK

REPLACEMENT

M6-11 PLUMBING SCHEDULES, ISOMETRICS, AND DETAILS

600 34495 M6-11

NEW PIPING ISOMETRIC - 140° STORAGE TANK

DEMOLITION ISOMETRIC - 140° STORAGE TANK

NEW PIPING ISOMETRIC - 160° STORAGE TANK

DEMOLITION ISOMETRIC - 160° STORAGE TANK

NOTES:

1. INTALL PER MANUFACTURERS INSTRUCTIONS.

2. PROVIDE WITH ASME RATED TEMPERATURE AND PRESSURE RELIEF VALVE.

STORAGE TANK SCHEDULE

MARK MFG MODEL LOCATION SERVICE TANK VOL. FITTING SIZE DIAMETER LENGTH NOTES

ST-1 LAARS STHDI 48168 MECHANICAL ROOM 140° DOMESTIC HOT WATER 1225 3" 48" 168" 1,2

ST-2 LAARS STHDI 48084 MECHANICAL ROOM 160° DOMESTIC HOT WATER 580 3" 48" 84" 1,2

KEYPLAN

SUPPORT

BUILDING "H"

KEYNOTE LEGEND

D2 REMOVE AND DISPOSE OF EXISTING STORAGE TANK AND

PIPING AS NOTED ON PLANS.

D5 REMOVE AND DISPOSE OF EXISTING EXPANSION TANK.

P1 INSTALL NEW STORAGE TANK. INSTALL NEW PIPE TO TANK

AND MATCH EXISTING PIPE SIZES.

P2 PROVIDE NEW TEMPERATURE GUAGE.

P4 PROVIDE NEW T&P RELIEF VALVE AND DISHCARGE PIPE.

ROUTE PIPE TO NEAREST FLOOR DRAIN AND TERMINATE

WITH AIR GAP.

1. FIELD VERIFY ALL SITE CONDITIONS BEFORE STARTING

CONSTRUCTION.

2. ALL EXISTING DUCTWORK, PIPING, EQUIPMENT, ETC.

INDICATED ON PLANS ARE BASED ON INFORMATION

FROM CONSTRUCTION DOCUMENTS AND FIELD

VERIFICATION OF EXISTING BUILDING.

3. COORDINATE INSTALLATION OF ALL NEW DUCTWORK,

PIPING, EQUIPMENT, ETC. WITH OTHER TRADES.

SHEET NOTES

NOTES:

1. INSTALL UNIT AS SHOWN AND AS PER MANUFACTURER'S INSTRUCTIONS.

2. ASME RATED.

EXPANSION TANK SCHEDULE

MARK MFG MODEL

ACCEPTANCE

VOLUME (GAL)

WEIGHT

(LBS)

MAX. OPERATING

TEMPERATURE

WORKING PRESSURE

(MAX. PSI)

DIAMETER

(IN) HEIGHT (IN) NOTES

ET-1 TACO PAX170-150 24 240 240 150 16 65.75" 1,2

ET-2 TACO PAX254-150 34 280 240 150 20 67.25" 1,2

NOT TO SCALE8

ST-2 DETAIL

NOT TO SCALE5

ST-1 DETAIL

REVISION SCHEDULE

DATE DESCRIPTION BY

09/29/26 ADDENDUM #1 ACH