GL-2027-17-Bid Document 9-2026-Final.pdf

TOWN OF GLASTONBURY

CONTRACT DOCUMENTS

FOR

Replacement and Installation of Oxygen Controllers and Sensors

GL-2027-17

ADVERTISED ON: September 21, 2026

BID DUE DATE: October 6, 2026 at 11 A.M.

TOWN OF GLASTONBURY

INVITATION TO BID

BID # ITEM DATE & TIME REQUIRED

GL-2027-17 Replacement and Installation of Oxygen

Controllers and Sensors October 6, 2026 11 A.M.

The Town of Glastonbury is currently seeking bids for the replacement purchase and installation of oxygen controllers, sensors and mounting hardware at the Town of Glastonbury Wastewater Treatment Facility located at 2149 Main Street in Glastonbury, CT 06033.

Bidders wishing to submit a bid proposal for this solicitation are directed to respond online through a secure e- Procurement portal. Responses should be submitted at the following link: https://glastonburyct.bonfirehub.com/, under the bid title “GL-2027-17 Replacement and Installation of Oxygen Controllers and Sensors”. Bidders will be required to create a profile before submitting their bid. Step-by-step instructions on how to register as a vendor are available at this website:

https://customer.eunasolutions.com/public/s/article/vendor-registration

All bids will be publicly opened and read aloud via Zoom on the date and time recited above.

Bid Forms, Plans and Specifications may be obtained from the Town’s website at www.glastonbury-ct.gov at no cost. Bids must be submitted electronically no later than the time and date indicated above. No late bids will be accepted.

The Town of Glastonbury is An Affirmative Action/Equal Opportunity Employer. Minority/Women’s Business Enterprises are encouraged to bid.

The Town reserves the right to amend or withdraw this Invitation to Bid for any reason, to accept or reject any or all Bids, to waive any informalities or non-material deficiencies in any Bid, and to make such award (or make no award) of a contract in connection with this Invitation to Bid all as determined by the Town, in its discretion, to be in the best interest of the Town. A Bid may be rejected for irregularities of any kind, including without limitation, alteration of form, additions not called for, conditional proposals, and incomplete Bids. A Bid may also be rejected if, in the opinion of the Town, the Bid does not meet the standard of quality established by the Bidding Documents. Any or all Bids may be rejected if there is any reason to believe that collusion exists among two or more Bidders. The foregoing provisions are for illustrative purposes and shall in no way limit the right of the Town to reject any and all Bids, in whole or in part.

Gina Consiglio Purchasing Agent

GL-2027-17 Replacement and Installation of Oxygen Controllers and Sensors

TABLE OF CONTENTS

TOC - 1

SECTION PAGE

Information for Bidders IB 1-4

General Information GI 1-4

Special Conditions SC 1-5

Detailed Specifications DS 1-2

Bid Proposal BP 1-4

Attachment A- Certificate of Compliance with Connecticut General Statute Section 31-57b

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

INFORMATION FOR BIDDERS

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1. Bidders submitting a response for this solicitation are directed to respond online through a secure e-Procurement portal. Bids can be submitted at the following link:

https://glastonburyct.bonfirehub.com/ under the bid title “GL-2026-17 Replacement and Installation of Oxygen Controllers and Sensors”. Bidders will be required to create a profile before submitting their bid. Step-by-step instructions on how to register as a vendor are available at this website:

https://customer.eunasolutions.com/public/s/article/vendor-registration

Bidders will be required to upload their bid response in one consolidated pdf document in the following file located in the bid portal:

• Bid Response & Related Documents

2. Whenever it is deemed to be in the best interest of the Town, The Town Manager, Purchasing Agent or designated representative shall waive informalities in any and all bids.

The right is reserved to reject any bid, or any part of any bid, when such action is deemed to be in the best interest of the Town of Glastonbury.

3. The award will be on the basis of bid total cost of the lowest qualified, responsible, and responsive bidder. The bid total cost shall be arrived at by the mathematical calculation of the unit price multiplied times the number of units specified for each line item, and the total sum of all line items in the bid. In the event that the Town finds computational errors in a respondent’s bid proposal, the bid total cost shall be recalculated by the Town based on the unit prices contained in the bid proposal.

4. Bids will be carefully evaluated as to conformance with stated specifications.

5. Specifications must be submitted complete in every detail, and when requested, Manufacturer’s product data shall be provided. If a bid involves any exception from stated specifications, they must be clearly noted as exceptions, underlined, and attached to the bid.

6. Each bid shall include manufacturer’s specifications for the equipment proposed by the

Bidder.

7. Each bid shall also include a list of at least three (3) similar contracts performed by the proposed Bidder, including references for each and a statement of qualifications.

8. The Bid Documents contain the provisions required for the requested item. Information obtained from an officer, agent, or employee of the Town or any other person shall not affect the risks or obligations assumed by the Bidder or relieve him/her from fulfilling any of the conditions of the bid.

9. Any bid may be withdrawn prior to the above scheduled time for the opening of bids or authorized postponement thereof. Any bid received after the time and date specified shall

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not be considered. No Bidder may withdraw a bid within sixty (60) days after the actual date of the opening thereof (the “Bid Holding Period). Should there be reasons why a Bid cannot be awarded within the specified period recited above, the Bid Holding Period may be extended by mutual agreement between the Town and the Bidder. The Town reserves the right to request clarifications from any Bidder on any and all documents received as a portion of their submitted Bid.

10. Each bidder is held responsible for the examination and/or to have acquainted themselves with any conditions at the job site which would affect their work before submitting a bid.

Failure to meet this criterion shall not relieve the Bidder of the responsibility of completing the Bid without extra cost to the Town of Glastonbury.

11. Any bid may be withdrawn prior to the above scheduled time for the opening of bids or authorized postponement thereof. Any bid received after the time and date specified shall not be considered. No bidder may withdraw a bid within sixty (60) days after the actual date of the opening thereof. Should there be reasons why a Bid cannot be awarded within the specified period, the time may be extended by mutual agreement between the Town and the bidder.

12. Each bid must be accompanied by a bid bond payable to the Town for ten percent (10%) of the total amount of the bid. The bid bond of the successful bidder will be retained until the payment bond and performance bond have been executed and approved, after which it will be returned. A certified check may be used in lieu of a bid bond. The Town of Glastonbury will not be liable for the accrual of any interest on any certified check submitted. Cashier's checks will not be accepted. (Not Applicable)

13. A 100% Performance Bond and 100% Payment bond are required of the successful bidder.

These bonds shall cover all aspects of the specification and shall be delivered to the Purchasing Agent prior to the issuance of a purchase order. The Performance and Payment Bonds will be returned upon the delivery and acceptance of the bid items. (Not Applicable)

14. The Bidder agrees and warrants that in the submission of this sealed bid, they will not discriminate or permit discrimination against any person or group of persons on the grounds of race, color, religion, national origin, sex, or physical disability including, but not limited to blindness, unless it is shown by such Bidder that such disability prevents performance of that which must be done to successfully fulfill the terms of this sealed bid or in any manner which is prohibited by the laws of the United States or the State of Connecticut, and further agrees to provide the Human Relations Commission with such information requested by the Commission concerning the employment practices and procedures of the Bidder. An Affirmative Action Statement will be required by the successful Bidder.

15. Bidder agrees to comply with all of the latest Federal and State Safety Standards and

Regulations and certifies that all work required in this bid will conform to and comply with said standards and regulations. Bidder further agrees to indemnify and hold harmless the Town for all damages assessed against the Town as a result of Bidder’s failure to comply

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with said standards and/or regulations.

16. All correspondence regarding any purchase made by the Town of Glastonbury shall reference the Town’s purchase order number. Each shipping container shall clearly indicate both Town purchase order number and item number.

17. Bidder is required to review the Town of Glastonbury Code of Ethics adopted July 8th, 2003 and effective August 1, 2003 and revised October 29, 2013 and effective November 8, 2013.

Bidder shall acknowledge that they have reviewed the document in the area provided on the bid/proposal response page (BP). The selected Bidder will also be required to complete and sign an Acknowledgement Form prior to award. The Code of Ethics and the Acknowledgement Form can be accessed at the Town of Glastonbury website at www.glastonbury-ct.gov. Upon entering the website scroll down to click on Bids & Proposals Icon which will bring you to the links for the Code of Ethics and the Acknowledgement Form. If the Bidder does not have access to the internet, a copy of these documents can be obtained through the Purchasing Department at the address listed within this bid/proposal.

18. Non-Resident Contractors: (if applicable)

Upon award the Town is required to report names of nonresident (out of state) Contractors to the State of Connecticut, Department of Revenue Services (DRS) to ensure that Employment Taxes and other applicable taxes are being paid by Contractors. A single surety bond for 5% of the entire contract price is required to be filed with DRS by any unverified nonresident prime or general contractor (if awarded) where the contract price for the project is $250,000 or more. The contractor will be required to promptly furnish to the Town a copy of the Form AU-968 - Certificate of Compliance issued by the State of Connecticut, DRS. See State of Connecticut Notice SN 2012 (2).

19. Bidder shall include on a sheet(s) attached to its proposal a complete disclosure of all past and pending mediation, arbitration and litigation cases that the Bidder or its principals (regardless of their place of employment) have been involved in for the most recent five years. Please include a statement of the issues in dispute and their resolution. Acceptability of Bidder based upon this disclosure shall lie solely with the Town.

20. Bidder or its principals, regardless of their place of employment, shall not have been convicted of, nor entered any plea of guilty, or nolo contendere, or otherwise have been found civilly liable or criminally responsible for any criminal offense or civil action. Bidder shall not be in violation of any State or local ethics standards or other offenses arising out of the submission of bids or proposals, or performance of work on public works projects or contracts.

21. Bidders shall comply with State Statutes concerning Employment and Labor Practices, if applicable, and Section 31-53 of the Connecticut General Statutes, as amended (Prevailing Wages). Wage Rate Determination for this project from the State of Connecticut is included

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in the Bid Documents. Certified payrolls for site labor shall be submitted weekly to the Town’s Representative or his designee on the correct State of Connecticut form (see RFP).

The Town reserves the right to, without prior notice, audit payroll checks given to workers on site in order to ascertain that wages and fringe benefits are being paid as required by the State of Connecticut. Please make special note of the State requirement to adjust wage and fringe benefit rates on each July 1st following the original published rates.

a. NOTE that Bidder is to include in its proposal all costs required by such annual increases in the PREVAILING RATES. NO escalation clauses are to be included in the Bidder’s proposal and NO escalation clauses will be in the Contract Agreement. Bidder is to anticipate any future increases and include these costs in the proposal response.

b. Contractor’s invoices will not be paid if certified payrolls are incomplete, incorrect or not received in a timely manner.

c. All Apprentices must be registered with the State of Connecticut and their number shall not exceed the number allowed by law. Otherwise, all workers must be paid at least the Journeyman rate listed including benefits.

OSHA SAFETY AND HEALTH CERTIFICATION - Effective July 1, 2009:

Any Mechanic, Laborer, or Worker, who performs work in a classification listed on the prevailing wage rate schedule on any public works project covered under C.G.S. Section 31-53, both on site and on or in the public building, must have completed a federal OSHA Safety and Health course within the last 5 years.

22. Municipal construction projects are exempt from Federal Excise Taxes, as well as, State of

Connecticut Sales, Use and Service Taxes and should not be include in the Bidder’s proposal.

23. Technical questions regarding this bid shall be made in writing and directed to Jeff LeMay, Director of Wastewater, Refuse and Recycling at jeff.lemay@glastonbury-ct.gov. For administrative questions regarding the bidding procedures, please contact Nicole Melquist, Purchasing Department at purchasing@glastonbury-ct.gov. All questions, answers, and/or addenda, as applicable will be posted on the Town’s website at www.glastonbury-ct.gov.

(Upon entering the website scroll down to click on Bids & Proposals icon, then scroll down page to see the active bid table. You must click the Bid Title to view all bid details and document links). The request must be received at least five (5) days prior to the advertised response deadline. It is the responsibility of the Bidder to check the Town’s website before submitting bid for any addendums posted prior to bid opening.

IMPORTANT:

Failure to comply with general rules may result in disqualification of the Bidder.

Municipal projects are exempt from Federal Excise Taxes, as well as, State of Connecticut Sales, Use and Service Taxes and should not be include in the Bidder’s proposal.

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

GENERAL INFORMATION

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1.0 WORKMANSHIP, MATERIALS AND EMPLOYEES

1.1 Wherever in this contract the word “Owner” is used, it shall be understood as referring to the Town of Glastonbury Director of Wastewater, Refuse and Recycling Jeff LeMay, acting personally or through any assistants duly authorized.

1.2 The entire work described herein shall be completed in accordance with the plans and specifications to the full intent and meaning of the same. Unless otherwise specified, all materials incorporated in the permanent work shall be new, and both workmanship and material shall be of good quality. The Contractor shall, if required, furnish satisfactory evidence as to the kind and quality of materials.

1.3 The wording “furnish”, “install”, “construct”, “furnish and install”, or any similar terms, unless specifically noted to the contrary, shall include all labor, materials, water, tools, equipment, light, power, transportation, and any other services required for the completion of the work.

1.4 The Contractor shall at all times enforce strict discipline and good order among his employees and shall seek to avoid employing on the work any unfit person or anyone not skilled in the work assigned to him.

2.0 SUPERINTENDENT

2.1 The Contractor shall keep on the work during its progress, in the absence of the Contractor, a competent Superintendent. The Superintendent shall be acceptable to the Owner and shall fully represent the Contractor. All directions given to the Superintendent shall be binding as if given to the Contractor.

3.0 PRECONSTRUCTION MEETING

3.1 A Preconstruction Meeting will be held with the Owner, Contractor, and other relevant parties prior to commencing any work. The Owner shall arrange the meeting based on a mutually convenient time.

4.0 PROTECTION OF THE PUBLIC AND OF WORK AND PROPERTY

4.1 The Contractor shall continuously maintain adequate protection of all work from damage and shall take all reasonable precautions to protect the Town from injury or loss arising in connection with the Contract.

4.2 The Contractor shall make good any damage, injury, or loss of his work and to the property of the Town resulting from lack of reasonable protective precautions.

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5.0 EXISTING IMPROVEMENTS

5.1 The Contractor shall conduct work so as to minimize damage to existing improvements.

Except where specifically stated otherwise in the specifications, drawings, or as directed by the Owner, it will be the responsibility of the Contractor to restore to their original condition, as near as practical, all improvements on public or private property.

6.0 SEPARATE CONTRACTS

6.1 The Owner reserves the right to let other contracts in connection with this work. The Contractor shall afford other contractors’ reasonable opportunity for the introduction and storage of their materials and the execution of their work and shall properly connect and coordinate his work with theirs. Wherever work being done by the Town of Glastonbury forces or by other contractors is contiguous to work covered by this Contract, the respective rights of the various interests involved shall be established by the Owner to secure the completion of the various portions of the work.

7.0 INSPECTION OF WORK

7.1 The Town shall provide sufficient personnel for the inspection of the work.

7.2 The Owner shall at all times have access to the work whenever it is in preparation or progress, and the Contractor shall provide proper facilities for such access and for inspection.

7.3 If the specifications or the Owner’s instructions require any work to be specially tested or approved, the Contractor shall give the Owner timely notice of its readiness for inspection and, if the inspection is by another authority other than the Owner, of the date fixed for such inspection. Inspections by the Owner shall be made promptly. If any work should be covered up without approval or consent of the Owner, it must, if required by the Engineer, be uncovered for examination and properly restored at the Contractor’s expense.

7.4 Reinspection of any work may be ordered by the Owner. If such work is found to be in accordance with the Contract Documents, the Town shall pay the cost of reinspection and replacement. If such work is not in accordance with the Contract Documents, the Contractor shall pay such cost.

8.0 RIGHT TO INCREASE OR DECREASE WORK

8.1 The Town shall have the right to increase or decrease the amount of work herein specified as may be required.

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9.0 RIGHT OF OWNER TO STOP WORK FOR WEATHER CONDITIONS

9.1 Should the work, in the opinion of the Owner, be in danger by reason of inclemency of weather or any other reason, or could not be finished in time to prevent such danger, the Contractor shall cease operations upon order of the Owner, and shall not resume them until ordered to do so by the Owner when the weather or any other conditions preventing the work to be completed are favorable. The Contractor shall, upon such orders, discontinue work, remove all materials or appliances for or in use upon the work, and place the streets in proper condition for use by the public during the time the work is suspended as herein provided, without cost to the Town.

10.0 CONTRACTOR TO BE RESPONSIBLE FOR IMPERFECT WORK OR MATERIALS

10.1 Any faithful work or imperfect material that may be discovered before the acceptance and the payment of the work shall be corrected upon the order of the Owner. The acceptance and payment of the work does not in any manner relieve the Contractor of his obligation to construct work in the proper manner and the use of materials herein specified.

11.0 TOWN MAY NOTIFY CONTRACTOR IF WORK IS NOT CARRIED ON

SATISFACTORILY

11.1 If, in the opinion of the Owner, the Contractor is not proceeding with the work at a sufficient rate of progress so as to finish in the time specified, or has abandoned said work, or is not complying with the terms and stipulations or the Contract and specifications, the Owner may serve notice on the Contractor to adopt such methods as will ensure the completion of the work in the time specified.

11.2 If, within five days after the Owner has notified the Contractor that his work is not being carried on satisfactorily as before mentioned, the Owner shall have the right to annul the Contract and manage the work under the direction of the Owner, or re-let, for the very best interest of the Town as a new contract, the work under said new Contract shall be considered the responsibility of the defaulting Contractor.

11.3 Additional costs incurred over and above the original Contract shall be borne by the Contractor.

12.0 DEDUCTIONS FOR UNCORRECTED WORK

12.1 If the Owner deems it inexpedient to correct work that has been damaged or that was not done in accordance with the Contract, an equitable deduction from the Contract price shall be made therefore.

12.2 The Contractor shall promptly remove from the premises all materials condemned by the Engineer as failing to meet Contract requirements, whether incorporated in the work or not, and the Contractor shall promptly replace and re-execute his own work in accordance with the Contract and without expense to the Town, and shall bear the expense of making

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good all work by other contractors destroyed or damaged by such removal or replacement.

12.3 If the Contractor does not remove such condemned work and materials as promptly as possible after written notice, the Owner may remove them and store the materials at the expense of the Contractor.

13.0 CLEANING UP

13.1 The Contractor must remove all debris of every description as the work progresses and leave the surroundings in a neat and orderly condition to the satisfaction of the Owner.

13.2 Upon completion, and before acceptance and final payment, the Contractor shall remove from the site all equipment, forms, surplus material, rubbish and miscellaneous debris and leave the site in a neat and presentable condition.

14.0 ROYALTIES AND PATENTS

14.1 The Contractor shall pay all royalties and license fees. He shall defend all suits or claims for infringement of any patent rights and shall save the Town of Glastonbury harmless from loss on account thereof, except that the Town of Glastonbury shall be responsible for all such loss when a particular manufacturer, product, or process is specified by the Town of Glastonbury.

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

SPECIAL CONDITIONS

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1.0 NOTICE TO CONTRACTOR

1.1 The intent of this Contract is to replace existing dissolved oxygen controllers, sensors and mounting hardware. The Contractor shall perform all work in close conformity with the Bid Documents to furnish and install the specified oxygen controllers, sensors, mounting hardware and other specified equipment necessary. The Contractors pricing shall include the furnishing of all materials, implements, machinery, equipment, tools, supplies, transportation, labor, and all other things necessary to the satisfactory prosecution and completion of the project.

1.2 Limitations on work hours are described in Special Conditions Section 11.01. The Contractor shall understand and strictly comply with these limitations.

1.3 The Contractor is alerted that additional Notice to Contractor notifications are listed in the special provisions section of this contract.

2.0 COMMUNICATIONS

2.1 All notices, demands, requests, instructions, approvals, proposals, and claims must be in writing.

2.2 Any notice to, or demand upon, the Contractor shall be sufficiently given if delivered at the office of the Contractor stated on the signature page of the Agreement (or at such other office as the Contractor may, from time to time, designate) in a sealed, postage-prepaid envelope or delivered with charges prepaid to any telegraph company for transmission, in each case addressed to such office. Or emailed to the designated contact.

2.3 All papers required to be delivered to the Town shall, unless otherwise specified in writing to the Contractor, be delivered to the Town of Glastonbury Purchasing Department, 2155 Main Street, Glastonbury, CT 06033, and any notice to, or demand upon, the Town shall be delivered at the above address in a sealed, postage-prepaid envelope or delivered with charges prepaid to any telegraph company for transmission, in each case addressed to such office or to such other representatives of the Town, or to such other address as the Town may subsequently specify in writing to the Contractor for such purpose. Depending on the communication, email to purchasing@glastonbury-ct.gov may also be allowable.

2.4 Any such notice shall be deemed to have been given as of the time of actual delivery or, in case of mailing, when the same should have been received in due course of post or, in the case of telegrams, at the time of actual receipt, as the case may be.

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3.0 PARTIAL USE OF IMPROVEMENTS

3.1 The Town may, at its election, give notice to the Contractor and place in use those sections of the work that have been completed, inspected and can be accepted as complying with the Contractor Documents and if, in its opinion, each such section is reasonably safe and fit for the use and accommodation for which it was intended, provided:

3.1.1 The use of such sections of the work shall not materially impede the completion of the remainder of the work by the Contractor.

3.1.2 The Contractor shall not be responsible for any damages or maintenance costs due directly to the use of such sections.

3.1.3 The use of such sections shall in no way relieve the Contractor of his liability due to having used defective materials or to poor workmanship.

3.1.4 The period of guarantee shall not begin until the date of the final acceptance of all work required under this Contract.

4.0 INSURANCE

4.1 The Bidder shall, at its own expense and cost, obtain and keep in force during the entire duration of the Project or Work the following insurance coverage covering the Bidder and all of its agents, employees and sub-contractors and other providers of services and shall name the Town of Glastonbury and the State of Connecticut and their employees and agents as an Additional Insured on a primary and non-contributory basis to the Bidders Commercial General Liability and Automobile Liability policies. These requirements shall be clearly stated in the remarks section on the Bidders Certificate of Insurance.

Insurance shall be written with insurance carriers approved in the State of Connecticut and with a minimum Best’s Rating of A-VIII. In addition, all carriers are subject to approval by the Town. Minimum Limits and requirements are stated below:

4.1.1 Worker’s Compensation Insurance:

Statutory Coverage Employer’s Liability $1,000,000 each accident/$1,000,000 disease-policy limit/$1,000,000 each employee A Waiver of Subrogation shall be provided

4.1.2 Commercial General Liability:

Including Premises and Operations, Products and Completed Operations, Personal and Advertising Injury, Contractual Liability and Independent Contractors

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Limits of Liability for Bodily Injury and Property Damage Each Occurrence: $1,000,000 Aggregate: $2,000,000 (The Aggregate Limit shall apply separately to each job.)

4.1.3 Automobile Insurance:

Including all owned, hired, borrowed, and non-owned vehicle Limit of Liability for Bodily Injury and Property Damage Per Accident: $1,000,000 $1,000,000 annual aggregate for bodily injury and property damage

4.1.4 Follow-form umbrella (excess) liability insurance with a limit of $1,000,000 each occurrence in excess of the general liability, employer's liability and business automobile liability coverages required of Contractor under this Schedule. Such insurance shall contain a provision that it will not be more restrictive than the primary insurance. Aggregate limits of liability shall apply separately with respect to the Work. Waiver of Subrogation endorsement in favor of the Town.

4.1.5 The Bidder shall direct its Insurer to provide a Certificate of Insurance to the Town before any work is performed. The Contractor shall be responsible to notify the Town 60 days in advance with written notice of cancellation or non-renewal. The Certificate shall evidence all required coverage. The Bidder shall provide the Town copies of any such insurance policies upon request.

5.0 INDEMNIFICATION

5.1 To the fullest extent permitted by law, the Contractor shall indemnify and hold harmless the Town and the State of Connecticut and its consultants, agents, and employees from and against all claims, damages, losses and expenses, direct, indirect or consequential (including but not limited to fees and charges of engineers, attorneys and other professionals and court and arbitration costs) to the extent arising out of or resulting from the performance of the Contractor’s work, provided that such claim, damage, loss or expense is caused in whole or in part by any negligent act or omission by the Contractor, or breach of its obligations herein or by any person or organization directly or indirectly employed or engaged by the Contractor to perform or furnish either of the services, or anyone for whose acts the Contractor may be liable.

6.0 WORK BY OTHERS

6.1 Private utilities, contractors, developers or other parties may be expected to be working within the Contract area during this Contract. It shall be the responsibility of the

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Contractor to coordinate his work with the work being done by others in order that the construction shall proceed in an efficient and logical manner. The Contractor shall have no claim or claims whatever against the Town, the Owner, or other parties due to delays or other reasons caused by the work by others or his failure to coordinate such work.

7.0 CONTRACTORS WORK AND STORAGE AREA

7.1 The Contractor shall contact the Town to determine if any specific locations will be designated or gain its approval prior to using any area for storage of equipment, materials and trailers during the period of this Contract. The Contractor shall confine his work/storage area to the limits as designated or approved and shall be responsible for the security of the work/storage area. Upon completion of the Contract, the Contractor shall remove all equipment and materials, except as otherwise specified, and restore the site to its original condition as approved by the Owner and at no cost to the Town.

8.0 MAINTENANCE / GUARANTEE PERIOD

8.1 The Contractor shall be held responsible to the Town for maintenance with respect to defects, settlements, etc. for a minimum period of one-year following the date of final acceptance of the project by the Town.

8.2 The Contractor shall also provide the Town all documentation related to manufacturer’s warranties on supplied equipment installed in conjunction with this project.

9.0 TIME FOR COMPLETION/NOTICE TO PROCEED

9.1 The work under this Contract shall commence on the date ordered by the Owner in the Notice to Proceed. After the work has begun, it shall continue in an orderly fashion such that all contract work is completed by June 30, 2027.

9.2 Within five (5) business days after the date of the Notice of Award, the Contractor must provide the appropriate documents and insurance certificates to the Town Purchasing Agent and must be issued a Notice to Proceed and Purchase Order for the Project prior to initiating any work.

10.0 CHANGES IN THE WORK

10.1 The Town reserves the right to perform portions of the work in connection with these plans and specifications. The reduction in the work to be performed by the Contractor shall be made without invalidating the Contract. Whenever work is done by the Town contiguous to other work covered by this Contract, the Contractor shall provide reasonable opportunity for the execution of the work and shall properly coordinate his work with that of the Town.

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11.0 PROSECUTION AND PROGRESS

11.1 Work hours shall be limited to Monday-Friday, 7:00 AM to 5:00 PM, and no work will be allowed on designated Town Holidays unless permission is granted by the Town.

12.0 SUBMITTALS AND TESTING

12.1 Contractor shall provide manufacturer’s cutsheets for all proposed equipment and accessories for review and approval prior to installation.

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DETAILED SPECIFICATIONS

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PART 1 G E N E RA L

1.0 Town is seeking bids to replace existing Dissolved Oxygen controllers, sensors and mounting hardware.

A. 3 – Controllers for up to 2 digital/analog sensors with predictive diagnostic software.

B. 6 – Luminescent Dissolved Oxygen sensors C. 6 – Sensor mounting hardware

1.1 Section includes

A. Luminescent Dissolved Oxygen sensor for continuous measurement of dissolved oxygen (DO) in aqueous solutions.

B. Includes the capability to remotely monitor sensors on any browser-enabled device and present diagnostics on the overall health of the measurements (on Predictive Diagnostics-enabled sensors), as well as upcoming and required maintenance - reducing user risk and downtime.

C. Digital/Analog controller for up to 2 digital or analog sensor, five analog output (0-20 mA or 4-20 mA), built in predictive diagnostic software.

1.2 Measurement Procedures

A. The method of measuring dissolved oxygen will be a probe using luminescent sensor technology.

1. Blue LED light excites platinum based luminescent material in the probe. Red light is emitted by luminescent material with characteristics that are directly proportional to the amount of dissolved oxygen present. The red light is measured with a photo detector.

2. Red LED light is used to zero the instrument between measuring cycles.

1.3 Alternates

A. Other methods of dissolved oxygen measurement such as galvanic, polarographic, or luminescent measurements using Ruthenium are not acceptable.

B. Other probes that require membranes, electrolytes, or electrodes are not acceptable.

A. Other instruments that do not have predictive diagnostic capabilities are not acceptable.

1.4 System Description

A. Performance Requirements

1. Measurement range: 0.01 to 20.00 mg/L

2. Resolution: 0.01 mg/L

3. Accuracy

a. Less than 5 ppm: ± 0.1 ppm

b. Greater than 5 ppm: ± 0.2 ppm

4. Repeatability: ± 0.1 ppm

5. Response Time:

a. Less than 40 seconds to 90% at 20 °C

b. Less than 60 seconds to 95% at 20 °C

6. Temperature sensor: PT100 integrated, external sensor

7. Temperature range: 0 to 50 °C

8. Temperature accuracy: ± 0.2°C

9. When connected to a multi-parameter digital controller the overall status of the instrument performance is displayed as a percentage value via a measurement indicator

10. When connected to a multi-parameter digital controller the overall time remaining until maintenance tasks are due is displayed in days

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

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1.5 Certifications

A. General Purpose CSA/CSANRTL and FM (UL Pending) when used with an approved controller, CE.

ETL certified to UL and CSA safety standards 9with all sensor types), FCC, ISED, KC, RCM, EAC, UKCA, SABS, C# (Morocco)

B. Class 1, Div 2 Groups A thru D CSA/CSANTRL and FM (UL Pending) when used with an approved controller.

1.6 Environmental Requirements

A. Operational Criteria

1. Operating temperature: -20 to 60 °C

2. Relative humidity: 95%, non-condensing

3. Sensor immersion depth: 15 meters (50 ft.), maximum

4. Immersion pressure: 345 kPa, maximum

5. Sample pH range: 0.0 to 12.0

6. Distance, analyzer to sensor: 1000 meters, maximum

1.7 Warranty

A. The probe body is warranted for 3 years from date of purchase B. The sensor cap is warranted for 2 years from date of purchase C. Controller 1 year

1.8 Maintenance Service

A. Scheduled maintenance:

1. Sensor cleaning: 90 days or depending on conditions

2. Sensor and sensor cap inspection: 90 days

3. Sensor cap replacement: once every 2 years

4. Calibration: per regulatory agency schedule, otherwise calibration-free

B. Unscheduled maintenance

1. Replace fuse

2. Clean instrument enclosure

PART 2 PR O D U C T S

2.1 Manufacturer

A. Preferred is Hach Company, Loveland, CO B. Other manufacturers that meet or exceed specifications

2.2 Equipment

A. LDO Probe works with controllers only.

B. The sensor is made of polybutyl methacrolate.

C. The probe is made of CPVC and 316 stainless steel.

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

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D. The probe is made with Viton O-rings.

E. The probe is entirely corrosion-resistant and fully immersible.

F. The probe utilizes a 1” NPT external thread for mounting hardware connections.

G. The probe does not require sample conditioning or electrolyte solutions.

H. The probe interface to the controller is MODBUS®.

I. The operation of the probe is not affected by: H2S, pH, K+, Na+, Mg2+, Ca2+, NH4 +, Al3+, Pb2+, Cd2+, Zn2+, Cr (total), Fe2+, Fe3+, Mn2+, Cu2+, Ni2+, Co2+, CN–, NO3–, SO4 2–, S2–, PO4 3–, Cl–, Anion Active surfactants, Crude Oils, Cl2 < 4 ppm.

J. The probe is factory calibrated and needs no calibration or polarization prior to use.

K. Digital controller for up to 2 compatible instruments.

L. Five 0-20 mA or 4-20 mA analog outputs.

M. Up to 2 analog input modules (0-20mA or 4-20mA) N. Digital communication: Profibus DPV1, Modbus TCP, Profinet IO module, Ethernet IP module.

2.3 Components

A. Standard LDO equipment:

1. Probe

2. Sensor cap

3. Integral cable

4. Manual

B. Digital/Analog controller:

1. Microprocessor controlled menu driven controller that operates sensors

2. TFT color display with capacitive touchpad

3. Metal enclosure with corrosion-resistant finish

4. ½” NPT conduit

5. Predictive diagnostic software

C. Dimensions

1. Probe & Sensor Cap

a. Length: 10.0 in. (255 mm)

b. Diameter: 1.94 in. (49.3 mm)

2. Integral cable: 30 ft. (10 m)

3. Controller

a. 5.7 in. X 5.7 in. X 7.6 in. (144mm x 144mm x 192mm) D. Weight: 2.2 lbs., (1.0 kg), probe only E. Weight: 3.7 lbs., (1.7 kg), controller only, w/o modules F. Digital controller, predictive diagnostic software, smart monitoring enabled and provides local communication to SCADA or PLC

2.4 Accessories

A. Plug in extension cables to extend the distance between the sensor and controller up to 985 ft. (10 m).

B. Junction box for extension cables for lengths greater than 100 m.

C. Extension cables D. Pole mount kit E. Ball float mount kit F. In-line union mount kit G. Flow cell mount kit H. Economy probe mounting hardware

Replacement and Installation of Oxygen Controllers and Sensors GL-2027-17

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PART 3 EXECUTION

3.1 Preparation

A. Mounting:

1. The sensor must be mounted to mounting assembly directly in the solution to be measured.

2. Pole or ball-float mount

B. Distance, analyzer to sensor: 300 meters, maximum

3.2 Installation

3.3 Contractor will install the controller and analyzer in strict accordance with the manufacturer’s instructions and recommendation.

A. Manufacturer’s representative will include a half-day of start-up service by a factory-trained technician, if requested.

1. Contractor will schedule a date and time for start-up.

2. Contractor will require the following people to be present during the start-up procedure.

a. General contractor

b. Electrical contractor

c. Company factory trained representative

d. Owner’s personnel

e. Engineer

3.4 Manufacturer’s Service and Start-Up

A. Contractor will include the manufacturer’s services to perform start-up on instrument to include basic operational training and certification of performance of the instrument.

B. Contractor will include a manufacturer’s Service Agreement that covers all the manufacturer’s recommended preventative maintenance, regularly scheduled calibration and any necessary repairs beginning from the time of equipment startup through to end user acceptance / plant turnover and the first 12 months of end-user operation post turnover.

C. Items A and B are to be performed by manufacturer’s factory-trained service personnel. Field service and factory repair by personnel not employed by the manufacturer is not allowed.

D. Use of manufacturer’s service parts and reagents is required. Third-party parts and reagents are not approved for use.

END OF SECTION

BP - 1

BID RESPONSE PAGE

BID NO: GL-2027-17 DATE & TIME

DUE:

October 6, 2026, at 11 A.M.

DATE ADVERTISED:

09/21/2026

NAME OF

PROJECT:

Replacement and Installation of Oxygen Controllers and Sensors

The Bidder acknowledges receipt of the following Addenda if issued:

Addendum 1 _______(Initial/Date) Addendum 2 _______(Initial/Date) Addendum 3 _______(Initial/Date)

It is the responsibility of the bidder to check with the Town’s Website for any Addenda before submitting the proposal.

Item No. Item Description Model Total Cost

1 DO Controllers (3) $

2 DO Sensors (6) $

3 Mounting Hardware (6) $

4 Installation, Start-up, Testing $

Total Bid $

(Total bid written amount)

DATE ON WHICH CONTRACTOR WOULD BE READY TO START WORK : _______________

BP - 2

CONTRACTOR REFERENCES:

Name:

Phone:

Description of Project:

BP - 3

OTHER ITEMS REQUIRED WITH SUBMISSION OF BID PROPOSAL:

The following bid checklist describes items required for inclusion with the above-referenced bid proposal package. It is provided for the convenience of the bidders and, therefore, should not be assumed to be a complete list.

_____ 1. Included Disclosure of Past and Pending Mediation, Arbitration, and Litigation cases against the Bidder or its Principals as per Section 19 of the Information for Bidders.

_____ 2. Checked Town website for Addenda and acknowledged Addenda on page BP-1.

_____ 3. Acknowledged Code of Ethics on page BP-4.

_____ 4. Included warranty and any warranty extension by manufacturer.

_____ 5. Included Manufacturer’s Product Data as required.

_____ 6. Included Bidder Qualifications as required.

_____ 7. Complied with or exceeded specifications and included explanation of exceptions to specifications if any.

_____ 8. Completed Certificate of Compliance 31-57B

BP - 4

NON-COLLUSION AFFIDAVIT:

By submission of this bid, the Bidder certifies, and in the case of a joint bid each party thereto certifies as to their own organization that this bid has been arrived at independently without consultation, communication, or agreement as to any matter relating to this bid with any other Bidder or with any competitor.

CODE OF ETHICS:

I/We have reviewed a copy of the Town of Glastonbury’s Code of Ethics and agree to submit a Consultant Acknowledgement Form if I/We are selected. Yes No *

*Bidder is advised that effective August 1, 2003, the Town of Glastonbury cannot consider any bid or proposal where the Bidder has not agreed to the above statement.

Respectfully submitted:

Type or Print Name of Individual Doing Business as (Trade Name)

Signature of Individual Street Address

Title City, State, Zip Code

Date Telephone Number/Fax Number

E-Mail Address SS# or TIN#

(Seal – If bid is by a Corporation Attest)

Attachment A