Water Treatment Chemical - Carbon Dioxide (CO2)

Location:	Michigan
Posted:	Apr 15, 2026
Due:	Apr 29, 2026
Agency:	City of Ann Arbor
Type of Government:	State & Local
Category:	68 - Chemicals and Chemical Products
Solicitation No:	ITB 4788
Publication URL:	To access bid details, please log in.

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CITY OF ANN ARBOR

INVITATION TO BID

ITB No. 4788

Due Date: April 29, 2026 by 2:00 P.M. (Local Time)

Water Treatment Services

Issued By:

City of Ann Arbor

Procurement Unit

301 E. Huron Street

Ann Arbor, MI 48104

TABLE OF CONTENTS

INSTRUCTIONS TO BIDDERS

INVITATION TO BID

SPECIFICATIONS

BID FORM

ATTACHMENTS

City of Ann Arbor Standard Purchase Order Terms and Conditions

City of Ann Arbor Vendor Conflict of Interest Disclosure Form

City of Ann Arbor Non-Discrimination Ordinance Declaration Form and Notice

INSTRUCTIONS TO BIDDERS

General

The City of Ann Arbor's Procurement Office is soliciting bids for the purchase of the chemical carbon

dioxide (CO2) for use by the City’s Water Treatment system based on the specifications provided

herein. At this time, estimated start date is on or before July 1, 2026.

The pricing provided for this ITB shall be firm for one (1) year. Upon mutual agreement between

the City and the vendor the pricing provided in this ITB may be extended for three (3) additional one

(1) year periods not to exceed four (4) years in total. Any price adjustments in shall be tied to the

producer price index for Industrial gas manufacturing Carbon dioxide: PCU3251203251204 and

renewals will be evaluated if they are in the best interest of the City.

CO2 must be supplied to the City Water Treatment Plant, fob destination, freight prepaid. The

selected bidder will be responsible for transferring the product from the transport vehicle to the City

storage vessel.

Each bidder shall provide the City of Ann Arbor with a complete copy of the U.S. Department of

Occupational Safety & Health Administration Safety Data Sheet (SDS) for each product bid, a

typical product specifications sheet, and an affidavit from the manufacturer or vendor that the

carbon dioxide furnished under the purchaser's orders meets or exceeds the specifications of this

standard, ANSI/NSF Standard 60, and AWWA Standard B510-18.

Any Bid which does not conform fully to these instructions may be rejected.

Preparation of Bids

Bids should be prepared providing a straight-forward, concise description of the Bidder’s ability to

meet the requirements of the ITB. Bids shall be written in ink or typewritten. No erasures are

permitted. Mistakes may be crossed out and corrected and must be initialed and dated in ink by the

person signing the Bid.

Bids must be submitted on the "Bid Forms" provided with each blank properly filled in. If forms are

not fully completed it may disqualify the bid. No alternative bid will be considered unless alternative

bids are specifically requested. If alternatives are requested, any deviation from the specification

must be fully described, in detail on a clearly marked "Alternate" section of Bid form.

Each person signing the Bid certifies that he/she is the person in the Bidder’s firm/organization

responsible for the decision as to the fees being offered in the Bid and has not and will not

participated in any action contrary to the terms of this provision.

Questions or Clarifications / Designated City Contacts

All questions regarding this ITB shall be submitted via email. Emailed questions and inquires will be

accepted from any and all prospective Bidders in accordance with the terms and conditions of the

ITB.

All questions shall be due on or before April 21, 2026 by 5:00 P.M. (local time) and should be

addressed as follows:

Specification/Scope of Work questions emailed to Becky Lahr, Drinking Water Quality

Manager, Water Treatment Services Unit at RLahr@a2gov.org

Bid Process and Compliance questions emailed to Colin Spencer, CSpencer@a2gov.org

Any error, omissions or discrepancies in the specification discovered by a prospective contractor

and/or service provider shall be brought to the attention of Colin Spencer at cspencer@a2gov.org

after discovery as possible. Further, the contractor and/or service provider shall not be allowed to

take advantage of errors, omissions or discrepancies in the specifications.

Site Inspection

On or prior to April 21, 2026, a bidder may inspect the City’s site and equipment. Inspections are

highly encouraged and are by appointment only during business hours (9:00 a.m. to 3:00 p.m).

Appointments can be scheduled by email to Becky Lahr, Drinking Water Quality Manager, Water

Treatment Services Unit at RLahr@a2gov.org. No appointments will be scheduled after the

deadline.

Addenda

If it becomes necessary to revise any part of the ITB, notice of the Addendum will be posted to

Michigan Inter-governmental Trade Network (MITN) www.mitn.info and/or City of Ann Arbor web

site www.A2gov.org for all parties to download.

Each Bidder must in its Bid, to avoid any miscommunications, acknowledge all addenda which it

has received, but the failure of a Bidder to receive, or acknowledge receipt of; any addenda shall

not relieve the Bidder of the responsibility for complying with the terms thereof.

The City will not be bound by oral responses to inquiries or written responses other than written

addenda.

Bid Submission

All Bids are due and must be delivered to the City of Ann Arbor Procurement Unit on or before April

29, 2026 by 2:00 P.M. (Local time). Bids submitted late or via oral, telephonic, telegraphic,

electronic mail or facsimile will not be considered or accepted.

Each Bidder must submit one (1) original printed bid and one (1) bid copy in a sealed

envelope clearly marked: ITB No. 4788 – Water Treatment Chemical - Carbon Dioxide.

Bids must be addressed and delivered to:

City of Ann Arbor

Procurement Unit,

c/o Customer Services, 1st Floor

301 East Huron Street

Ann Arbor, MI 48104

All Bids received on or before the Due Date will be publicly opened and recorded immediately. No

immediate decisions are rendered.

The following forms provided within this ITB Document should be included in

submitted bids.

• Vendor Conflict of Interest Disclosure Form

• City of Ann Arbor Non-Discrimination Ordinance Declaration of Compliance

Bids that fail to provide these forms listed above upon bid opening may be rejected

as non-responsive and may not be considered for award.

Hand delivered bids may be dropped off in the Purchasing drop box located in the Ann Street (north)

vestibule/entrance of City Hall which is open to the public Monday through Friday from 8am to 5pm

(except holidays). The City will not be liable to any Bidder for any unforeseen circumstances,

delivery or postal delays. Postmarking to the Due Date will not substitute for receipt of the Bid.

Each Bidder is responsible for submission of their Bid.

Additional time for submission of bids past the stated due date and time will not be granted to a

single Bidder; however, additional time may be granted to all Bidders when the City determines in

its sole discretion that circumstances warrant it.

Award

The City intends to award a Contract/Purchase Order to the lowest responsible Bidder(s) providing

the best value to the City. The City may, at its sole discretion, award line-by-line in the best interest

of value to the City.

Responsible bidder means a bid submitted, which conforms in all aspects of the requirements set

forth in the invitation to bid. All aspects could include references, past experience, past

performance, and qualifications.

Official Documents

The City of Ann Arbor officially distributes bid documents from the Procurement Unit or through the

Michigan Intergovernmental Trade Network (MITN). Copies of the bid documents obtained from

any other source are not Official copies. Addenda and other bid information will only be posted to

these official distribution sites. If you obtained City of Ann Arbor Bid documents from other sources,

it is recommended that you register on www.MITN.info and obtain an official Bid.

Taxes

Municipalities are exempt from Michigan State Sales and Federal Excise taxes. Do not include such

taxes in the bid figure(s). The City will furnish the successful bidder with tax exemption certificates

when requested.

Withdrawal of Bids

After the time of opening, no Bid may be withdrawn for the period of one-hundred and twenty

(120) days.

Non-Discrimination Requirements

All contractors proposing to do business with the City shall satisfy the non-discrimination

administrative policy adopted by the City Administrator in accordance with the Section 9:158 of the

Ann Arbor City Code. Breach of the obligation not to discriminate shall be a material breach of the

contract. Contractors are required to post a copy of Ann Arbor’s Non-Discrimination Ordinance

attached at all work locations where its employees provide services under a contract with the City.

Conflict Of Interest Disclosure

The City of Ann Arbor Purchasing Policy requires that prospective Vendors complete a Conflict of

Interest Disclosure form. A contract may not be awarded to the selected Vendor unless and until

the Procurement Unit and the City Administrator have reviewed the Disclosure form and determined

that no conflict exists under applicable federal, state, or local law or administrative regulation. Not

every relationship or situation disclosed on the Disclosure Form may be a disqualifying conflict.

Depending on applicable law and regulations, some contracts may awarded on the recommendation

of the City Administrator after full disclosure, where such action is allowed by law, if demonstrated

competitive pricing exists and/or it is determined the award is in the best interest of the City. A copy

of the Vendor Conflict of Interest Disclosure Form is attached.

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

due date & time	bid description	bid #	primary contact	status
April 29, 2026 2:00PM	Water Treatment Chemical - Carbon Dioxide (CO2)	ITB 4788	Becky Lahr	Open

Water Treatment Chemical - Carbon Dioxide (CO2)

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See also