Annual_Plant_Chemicals_(Addendum_#1_Revision).pdf

REQUEST FOR BIDS

2024-14

ANNUAL PLANT CHEMICALS

City of Edinburg

415 W. University Drive

Edinburg, TX 78541

RELEASE DATE: July 10, 2024

DEADLINE FOR QUESTIONS: July 22, 2024

RESPONSE DEADLINE: August 13, 2024, 3:00 pm

RESPONSES MUST BE SUBMITTED ELECTRONICALLY TO:

https://secure.procurenow.com/portal/cityofedinburg https://secure.procurenow.com/portal/%7bproject.government.code%7d

City of Edinburg

REQUEST FOR BIDS

Annual Plant Chemicals

I. Introduction II. Legal Notice

III. Instructions, Terms and Conditions IV. Specifications V. Vendor Questionnaire

VI. Pricing Proposal

Attachments:

A - Agreement

B - Rules for Electronic Bidding

Request for Bids #2024-14 Title: Annual Plant Chemicals

1. Introduction

1.1. Summary

The City of Edinburg Utilities Department is seeking sealed bids for the purchase of Annual Plant

Chemicals.

Water Plant Chemicals (12 Month Supply):

• NSF Chlorine (Ton cylinders)

• NSF Chlorine (150 lbs cylinders)

• NSF Liquid Aluminum Sulfate Polymer / Copper Sulfate Blend

• NSF Liquid Ammonium Sulfate (LAS)

• Sodium Chlorite

• Copper Sulfate (Large Crystals) BULK ORDER

• Filter Belt Press Polymer Water Plant

Wastewater Chemicals (12 Month Supply):

• Filter Belt Press Polymer Wastewater

1.2. Contact Information

Javier Valdez

Water Plant Manager

PO BOX 1079

Edinburg, TX 78540

Email: jvaldez@cityofedinburg.com

Phone: (956) 388-8220

Department:

Utilities

Department Head:

Gerardo Carmona

Director of Utilities

1.3. Timeline

Release Project Date July 10, 2024

Question Submission Deadline July 22, 2024, 3:00pm mailto:jvaldez@cityofedinburg.com tel:(956)388-8220

Proposal Submission Deadline August 13, 2024, 3:00pm

2. Legal Notice

2.1. Notice to Respondents

The City of Edinburg is soliciting competitive sealed bids from qualified vendors for Annual Plant

Chemicals

Sealed Bids should be submitted electronically or received by the City Secretary’s Office no later than:

3:00 pm, Tuesday, August 13, 2024.

All sealed bids should be received either electronically or at the designated location or by the deadline shown above/ Bids received after the deadline will not be considered for the award of the contract and shall be considered void and unacceptable.

All bids will be opened and bidder's names publicly read aloud promptly in the City Hall Community

Room, 1st Floor, at 415 W. University Dr. Edinburg, TX 78539 at 3:00 pm, Tuesday, August 13, 2024.

To obtain a copy of the Invitation to Bid or submit an electronic proposal please visit:

https://procurement.opengov.com/portal/cityofedinburg

If a Bidder chooses to submit a Hard Copy Bid, it must be delivered in a sealed envelope, with a return address and clearly marked "City of Edinburg Bid. 2024-14" to the City Secretary's Office prior to the bid opening date and time. The receiving time in the City Secretary's Office will be the governing time for acceptability of the bids. The Bidder's firm name shall appear on the outside of the envelope.

Submit Bids To:

If submitting Electronic: https://procurement.opengov.com/portal/cityofedinburg

If Hand-Delivering Bids: 415 W. University Drive c/o City Secretary Department (1st Floor)

Bids will not be accepted by telephone or facsimile machine. All bids must bear original signatures and figures.

If you have any questions o require additional information regarding this bid, you may contact Veronica

Gutierrez, Purchasing Specialist II, please submit your questions via OpenGov at the website listed above no later than 3:00 pm, Monday, July 22, 2024

The City of Edinburg reserves the right to refuse and reject any or all Bids and to waive any or all formalities or technicalities and to accept the Bid deemed most advantageous to the City, and hold the

Bids for a period of 60 days without taking action.

https://procurement.opengov.com/portal/cityofedinburg

3. Instructions, Terms and Conditions

3.1. Instructions to Bidders

PURPOSE

The purpose of these solicitation documents is to provide a Bids for: Annual Plant Chemicals

The ITEMS to be furnished under this bid shall be as specified in these bid documents. All specifications/requirements shown are minimum. There is no intention to disqualify any bidder who can meet these specifications/requirements.

SUBMITTAL OF "HARD COPY" BID

If submitting a Hard Copy Bid, it must be submitted in a sealed envelope by the vendor. Submit two (2) complete sets of the bid, one (1) original marked "ORIGINAL" and one (1) digital copy in a flash drive.

Each bid must be completely filled out and SUBMITTED IN ORIGINAL FORM complete with all the supporting documentation

If Hand-Delivering Bids: 415 W. University Drive c/o City Secretary Department (1st Floor)

If submitting Electronic:https://procurement.opengov.com/portal/cityofedinburg

PREPARATION OF BID

Bids MUST give full firm name and address of bidder, and be manually signed. Failure to do so will disqualify your bid. Person signing bid must show title or AUTHORITY TO BIND HIS/HER FIRM IN A

CONTRACT. Firm name and authorized signature must appear on each page that calls for this information. The legal status of the Respondent/Bidder whether corporation, partnership, or individual, shall also be stated in the bid. A corporation shall execute the bid by its duly authorized officers in accordance with its corporate by-laws and shall also list the state in which it is incorporated. A partnership Respondent/Bidder shall give full names and addresses of all partners. All partners shall execute the bid. Partnership and Individual Respondent/Bidder shall state in the bid the names and addresses of all persons with a vested interest therein. The place of residence of each

Respondent/Bidder, or the office address in the case of a firm or company, with county and state and telephone number, shall be given after the signature.

DEVIATION FROM SPECIFICATION

Please read your specifications/requirements thoroughly and be sure that the ITEMS offered comply with all specifications/requirements. Any variation from the specifications/requirements must be clearly indicated by letter attached to your bid referencing variations on a point-by-point basis. If no exceptions are noted, and you are the successful bidder, it will be required that the ITEMS be provided as specified.

ALTERATIONS/AMENDMENTS TO BID

Bids CANNOT be altered or amended after opening time. Alterations made before opening time must be initialed by bidder guaranteeing authenticity. No bid may be withdrawn after opening time without acceptable reason in writing and only after approval by the City of Edinburg.

SALES TAX

State sales tax must not be included in the bid.

SUBSTITUTIONS

No substitutions or cancellations will be permitted without written approval of City of Edinburg.

NO BID RESPONSE

If unable to submit a bid, bidder should return inquiry giving reasons.

EXCEPTIONS

Any additions, deletions, or variations from the following specifications/requirements must be noted.

The bidder shall attach to his/her bid sheet a list of any exceptions to the specifications/requirements if unable to do so, on specification sheet.

BRAND OR MANUFACTURER REFERENCE

Unless otherwise specified, any catalog or manufacturer’s reference or brand name used in describing an item is merely descriptive, and not restrictive, and is used only to indicate type and style of product desired. Bids on alternate brands will be considered if they meet specification requirements. If a bidder quotes on equipment other than the one(s) specified in the bid, sufficient specifications and descriptive

(pictured literature) data must accompany same to permit thorough evaluation. In the absence of these qualifications, he/she will be expected to furnish the product called for.

DELIVERY

Number of days required to deliver ITEMS after receiving order must be stated in the bid. Failure to so state will obligate bidder to complete service delivery within ONE day.

DELAY IN SERVICE DELIVERY

When delay can be foreseen, Bidder shall give prior notice to City of Edinburg. Bidder must keep City of

Edinburg advised at all times of status of order. Default in promised service delivery (without acceptable reasons) or failure to meet specifications/requirements, authorizes the City of Edinburg to purchase such ITEMS elsewhere and charge increase in cost to defaulting vendor. Acceptable reasons for delayed delivery are as follows: Acts of God (floods, tornadoes, hurricanes, etc.), acts of government, fire, strikes, war; Actions beyond the control of the successful bidder.

SERVICE DELIVERED PRICING

Bids in units of quantity specified - extend and show total. In the event of discrepancies in extension, unit prices will govern. Bids subject to unlimited price increase will not be considered.

RIGHT TO REJECT/AWARD

The City of Edinburg reserves the right to refuse and reject any or all Bids, and to waive any or all formalities or technicalities, and to make such awards of contract as may be deemed to be the best and most advantageous to the City of Edinburg.

MULTIPLE VENDOR CONTRACTS

Bidders are advised that the City of Edinburg may award Service Contracts to multiple vendors based on low bid per item basis. All items specified on the “Bid Form” must reflect the individual unit prices. The

City of Edinburg reserves the right to award all items individually or in any combination thereof.

INDEMNIFICATION CLAUSE

The Bidder agrees to indemnify and save harmless the City, from all suits and actions of every nature and description brought against them or any of them, for or on account of the use of patented appliances, products or processes, and he shall pay all royalties and charges which are legal and equitable. Evidence of such payment or satisfaction shall be submitted upon request of the Purchasing

Agent, as a necessary requirement in connection with the final estimate for payment in which such patented appliance, products or processes are used.

ADDENDA

Bidder shall carefully examine the bid forms, specifications/requirements, and instructions to Bidders.

Should the bidder find discrepancies in, or omissions from bid forms, specifications/requirements, or other documents, or should he/she be in doubt as to their meaning, he/she should request an interpretation via the OpenGov portal:https://procurement.opengov.com/portal/cityofedinburg and obtain clarification by addendum prior to submitting any bid. Explanations, interpretations, and supplemental instructions shall be in the form of written Addenda which shall become a part of the

Contract documents. Said Addenda shall available through the e-procurement portal and e-mailed to all prospective Bidders. All Addenda issued in respect to this project shall be considered official changes to the original bid documents. Verbal statements in response to inquiries and/or requests for explanations shall not be authoritative nor binding. It shall be the Bidder(s) responsibility to ensure that they have received all Addenda in respect to this project. Furthermore, Bidders are advised that they must recognize, comply with, and attach a signed copy of each Addendum which shall be made part of their

Bid Submittal if submitting a Hard Copy Solicitation. Electronic submittals should be acknowledged through OpenGov. Bidder(s) signature on Addenda shall be interpreted as the bidder’s “recognition and compliance to” official changes as outlined by the City of Edinburg and as such are made part of the original solicitation documents. Failure of any bidder to receive any such addendum or interpretation shall not relieve such Bidder from its terms and requirements. The City may issue a written addendum no later than five calendar days prior to the date bids must be received. Addendums are available online at https://procurement.opengov.com/portal/cityofedinburg

PAYMENT

The City of Edinburg will execute payment by mail in accordance with the State of Texas Pay Law after

ITEMS have been provided and invoiced. No other method of payment will be considered.

SYNONYM

Where in this bid package ITEMS is used, its meaning shall refer to the Annual Plant Chemicals as specified.

ASSIGNMENT

Neither the Bidder’s contract nor payment due to an awarded vendor may be assigned to a third party without the written approval of the Purchasing Department for the City of Edinburg.

BIDDER’S EMPLOYEES

Neither the Bidder nor his/her employees engaged in fulfilling the terms and conditions of this Purchase

Contract shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the vendor on contract. The City shall have the right of inspection of said undertakings at any time.

INTERPRETATIONS

Any questions concerning the conditions and/or specifications/requirements with regards to this solicitation for Bids shall be directed to the e-procurement portal as outlined in the Request for Bids.

Such interpretations, which may affect the eventual outcome of this request for Bids, shall be furnished in writing to all prospective Bidders via Addendum. No interpretation shall be considered binding unless provided in writing by the City of Edinburg in accordance with paragraph entitled “Addenda”.

STATUTORY REQUIREMENTS

It shall be the responsibility of the successful Bidder to comply with all applicable State & Federal laws, Executive Orders and Municipal Ordinances, and the Rules and Regulations of all authorities having jurisdiction over the work to be performed hereunder and such shall apply to the contract throughout, and that they will be deemed to be included in the contract as though written out in full in the contract documents. (To include issues related to health, environmental, and safety to name a few.)

RIGHT TO WAIVE

City of Edinburg reserves the right to waive or take exception to any part of these specifications/requirements when in the best interest of the City of Edinburg.

COOPERATIVE PRICING

Bidders are advised that in addition to responding to our “local” solicitation for bids/Bids with Dealer pricing, vendors/contractors are encouraged to provide pricing on the below referenced items/products/services based on BuyBoard, TX-MAS, H-GAC and/or any other State of Texas recognized and approved cooperative which has complied with the bidding requirements for the State of Texas. If bidding other than or in addition to “dealer” pricing, kindly duplicate the bid forms for each bid being provided from a cooperative contract. Any and all applicable fees must be included. All cooperative pricing must be submitted on or before bid opening date and hour.

VALID BID TIME FRAME

The City of Edinburg may hold bids 60 days after the opening of Bids without taking action. Bidders are required to hold their Bids firm for same period of time.

PREPARATION OF BID

The City of Edinburg shall not be held liable for any costs incurred by any bidder for work performed in the preparation of and production of a bid or for any work performed prior to execution of contract.

CONFIDENTIAL INFORMATION

Any information deemed to be confidential by the bidder should be clearly noted on the pages where confidential information is contained; however, the City cannot guarantee that it will not be compelled to disclose all or part of any public record under Texas Public Information Act, since information deemed to be confidential by the bidder may not be considered confidential under Texas Law, or pursuant to a

Court order.

VERBAL THREATS

Any threats made to any employee of the City, be it verbal or written, to discontinue the providing of item/material/services for whatever reason and/or reasons shall be considered a breach of contract and the City will immediately sever the contract with the Vendor on contract.

MATHEMATICAL ERRORS

In the event that mathematical errors exist in any bid unit prices/rates will govern.

AUDIT

The City of Edinburg reserves the right to audit the vendor’s books and records relating to the performance of this contract. The City of Edinburg, at its own expense, shall have the right at all reasonable times during normal business hours and upon at least twenty-four (24) hours’ advance notice, to audit, to examine, and to make copies of or extracts from the books of account and records maintained by the vendor(s) with respect to the Supply/Service and/or Purchase Contract. If such audit shall disclose overpayment by City to vendor, written notice of such overpayment shall be provided to the vendor and the amount of overpayment shall be promptly reimbursed by vendor to the City. In the event any such overpayment is not paid within ten (10) business days after receipt of such notice, the unpaid amount of such overpayment shall bear interest at the rate of one percent (1%) per month from the date of such notice until paid.

PAST PERFORMANCE

Vendor’s past performance shall be taken into consideration in the evaluation and award of Service

Contract for the Purchase of ITEMS.

JURISDICTION

Contract(s) executed as part of this solicitation shall be subject to and governed under the laws of the

State of Texas. Any and all obligations and payments are due and performable and payable in Hidalgo

County, Texas.

VENUE

The parties agree that venue for purposes of any and all lawsuits, cause of action, arbitration, and/or any other dispute(s) shall be in Hidalgo County, Texas.

CONSIDERATION OF LOCATION OF BIDDER'S PRINCIPAL PLACE OF BUSINESS

The City may give local vendors, whose principal place of business is located within the City of Edinburg, and whose bid is within five percent (5%) of the lowest bid price preference as allowed by Section

271.9051 of the Local Government Code.

AWARD

For purposes of this project, award will be contingent on approval of budget.

CONSIDERATION OF LOCATION OF BIDDER'S PRINCIPAL PLACE OF BUSINESS

The City may give local vendors, whose principal place of business is located within the City of Edinburg, and whose bid is within five percent (5%) of the lowest bid price preference as allowed by Section

271.9051 of the Local Government Code.

SPECIAL CIRCUMSTANCES

In the event that the City of Edinburg has an immediate need for a particular service(s) that is/are on contract and the successful vendor on contract is not able to meet the special service delivery needs of the City of Edinburg, the City of Edinburg reserves the right to purchase such services elsewhere to fulfill its’ immediate need.

TERMINATION OF CONTRACT

The City of Edinburg reserves the right to terminate the contract if, in the opinion of the City of

Edinburg, the successful vendor’s performance is not acceptable, if the City is being repeatedly over charged, improperly charged, no funds are available, or if the City wishes, without cause, to discontinue this contract. Termination will be in written form allowing a 30-day notice. The bidder shall be afforded the same right to terminate this contract in the same manner.

ETHICAL STANDARD

No City official or employee shall have interest in any contract resulting from this bid.

IF YOU HAVE ANY QUESTIONS ABOUT COMPLIANCE, PLEASE CONSULT YOUR OWN LEGAL COUNSEL.

COMPLIANCE IS THE INDIVIDUAL RESPONSIBILITY OF EACH PERSON OR AGENT OF A PERSON WHO IS

SUBJECT TO THE FILING REQUIREMENT. AN OFFENSE UNDER CHAPTER 176 IS A CLASS “C”

MISDEMEANOR.

3.2. INSURANCE REQUIREMENTS

Staff may waive insurance requirements for contracts $0 - $4,999.99, including but not limited to contracts for food, materials, supplies, and construction. Workers’ Compensation in amounts which satisfy statutory coverage shall be required for construction projects.

The following insurance requirements will be included in all City contracts of $5,000 - $14,999.99. In contracts not involving building and construction projects, as that activity is defined in TEX. LABOR CODE

§406.096, contractors may obtain alternative form of worker accident insurance with minimum limits of liability of $100,000 per claim.

Minimum Insurance Requirements

Type of Coverage Limits of Liability

Worker’s Compensation Statutory Coverage

Comprehensive General Liability

(City named as additional insured)

Bodily Injury $250,000 each person/$500,000 each occurrence

Property Damage $100,000 each occurrence/$100,000 aggregate or $500,000 combined single limits

The following insurance requirements will be included in all City contracts of $15,000 or more.

(1) The successful bidder will be required to carry the following insurance coverage and limits of coverage, as well as list the City as an additional insured to liability coverage as requested by the City. In addition, the successful bidder shall provide the City with evidence of coverage and furnish acceptable proof of payment of insurance premiums.

(2) The successful bidder will be required to secure and/or have insurance coverage in force with an admitted property and casualty insurance company licensed by the State of Texas to conduct business in the State of Texas.

(3) In contracts not involving building and construction projects, as that activity is defined in TEX. LABOR

CODE §406.096, contractors may obtain alternative form of worker accident insurance with minimum limits of liability of $100,000 per claim

Minimum Insurance Requirements

Type of Coverage Limits of Liability

Worker’s Compensation Statutory Coverage

Employer’s Liability Bodily Injury by Accident:

$100,000 each accident

Bodily Injury by Disease:

$100,000 each employee/$500,000 policy limit

Comprehensive General Liability

Bodily Injury $250,000 each person/$500,000 each occurrence

Property Damage $100,000 each occurrence/$100,000 aggregate or $500,000 combined single limits

Comprehensive Auto Liability

Bodily Injury $100,000 each person/$500,000 each occurrence

Property Damage $100,000 each occurrence/$100,000 aggregate or $500,000 combined single limits

City’s Protective Liability

Bodily Injury $250,000 each person/$500,000 each occurrence

Property Damage $100,000 each occurrence/$100,000 aggregate or $500,000 combined single limits

Policies must name the City of Edinburg as an Additional Insured.

Certificates of insurance naming the CITY as an additional insured shall be submitted to the CITY for approval prior to any services being performed by Contractor. Each policy of insurance required hereunder shall extend for a period equivalent to, or longer than the term of the Contract, and any insurer hereunder shall be required to give at least thirty (30) days written notice to the CITY prior to the cancellation of any such coverage on the termination date, or otherwise. This Contract shall be automatically suspended upon the cancellation, or other termination, of any required policy of insurance hereunder, and such suspension shall continue until evidence that adequate replacement coverage is provided to the CITY. If replacement coverage is not provided within thirty (30) days following suspension of the Contract, the Contract shall automatically terminate.

4. Specifications

4.1. Objective

The City of Edinburg is soliciting sealed bid submissions for annual chemicals per the specifications listed below.

4.2. NSF CHLORINE

Estimated twelve (12) months requirement of NSF Chlorine for the Water Treatment Plants

• 10/2024 – 9/2025 - 180 Tons – (360,000 lbs.) NSF Chlorine (8,000 lbs. Minimum Shipment)

• 10/2024 – 9/2025 - 35 Cylinders - (5,250 lbs.) of the 150 lbs. Cylinder NSF Chlorine (300 lb.

Minimum Shipment)

1. The product must be compressed liquid gas contained in approved one-ton or 150-pound containers.

2. The product must be approximately 100% chlorine strength.

3. The contractor agrees to allow the City of Edinburg Treatment Plants and its facilities an overall inventory of twenty-one (21) 1-Ton Containers and Eight (8) 150 lb. cylinders on-site at all times. Breakdown: Twelve (12) 1-Ton at the West Edinburg Water Plant – 1752 South Mon Mack Road, Seven (7) 1-Ton Containers at the Downtown Water Plant – 500 East Mahl, Two (2) 1-Ton Containers at the Raw Water Pump Station #1 – 905 Pin Oak Road, and eight (8) 150 lb. cylinders at the Faysville

Water Tower 12610 N. Highway 281 in Edinburg, Texas 78539.

4. The contractor agrees to deliver additional 1-ton containers and 150 lb. cylinders as needed within a period of three (3) calendar days after notification by telephone.

5. All 1-ton containers, 150 lb. cylinders, and their contents delivered by the Contractor shall meet all applicable Federal and/or State Laws and safety requirements.

6. The product must be acceptable to the Texas Commission on Environmental Quality (TCEQ) and must conform to American National Standards Institute/National Sanitation Foundation (ANSI/NSF)

Standards 60 for potable water treatment. Certification for ANSI/NSF Standard 60 and Safety Data

Sheet or equivalent must accompany the bid quote.

7. Neither the Contractor nor his employees engaged in the delivery and off-loading of the containers/cylinders shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

8. The contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection with the work which is attributable to the Contractor.

4.3. NSF ALUMINUM SULFATE/POLYMER/COPPER SULFATE BLEND

Estimated twelve (12) month requirement of NSF Liquid Aluminum Sulfate / Polymer / Copper Sulfate

Blend for the Water Treatment Plant

• 10/2024 – 9/2025 - 4,000,000 lbs. (Estimated) NSF Liquid Aluminum Sulfate / Polymer /

Copper Sulfate Blend (12-month supply) (Estimated) NSF Liquid Aluminum Sulfate / Polymer /

Copper Sulfate Blend (4,500 – 5,000 gallons minimum shipment)

1. The product must be a single-product solution.

2. The product must have a specific gravity of between 1.20 - 1.62

3. The product must have a 1% polymer solution blend.

4. The product must have a 2% copper sulfate solution blend and shipment shall be accompanied by a

Certificate of Analysis stating the exact pounds of copper sulfate content.

5. The product must prevent the excessive build-up of algae on clarifier walls, weirs, and filters, and produce no more than a 0.5 mg/L copper residual in the finished water.

6. The product must be acceptable to the Texas Commission on Environmental Quality (TCEQ) and must conform to the American National Standards Institute / National Sanitation Foundation (ANSI/NSF)

Standard 60 for potable water treatment.

7. ANSI / NSF Standard 60 Certification and Safety Data Sheet or its equivalent must accompany bid quote.

8. Neither the Contractor nor his employees engaged in the delivery and off-loading of the containers/cylinders shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

9. The contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection with the work which is attributable to the Contractor.

4.4. NSF LIQUID AMMONIUM SULFATE

Estimated twelve (12) month requirement of NSF Liquid Ammonium Sulfate for the Water Treatment

Plant.

• 10/2024 – 9/2025 - 750,000 lbs. (Estimated) NSF Liquid Ammonium Sulfate (45,900 lbs.

Minimum Shipment) 12-month supply (Estimated) NSF Liquid Ammonium Sulfate (4,500 gals.

minimum Shipment) for the (12) month)

1. Must conform to American National Standards Institute/National Sanitation Foundation Institute

Standard for Drinking Water Treatment Chemical – Health Effects, ANSI/NSF 60; shall be furnished with bid documents.

2. Must conform to American National Standards Institute/American Water Works Association

Standards for Ammonium Sulfate ANSI/AWWA B302-95 or the most current standards.

3. Certification for ANSI/NSF Standard 60 and Safety Data Sheet or its equivalent must accompany the bid quote.

4. The Liquid Ammonium Sulfate Solution shall be made at the manufacturer’s or supplier’s site such that a homogeneous, well-mixed product is received at the City’s location.

5. Will be used as a source of ammonia in the formation of chloramines to disinfect the treated water.

6. The physical and chemical properties of the Liquid Ammonium Sulfate shall be as follows:

▪ Colorless to slightly yellow liquid

▪ Slight ammonia odor

▪ Complete solubility in water

▪ Specific gravity of 1.2 – 1.23

▪ pH of 4.8 – 7.5

▪ Molecular Weight of 132.13

▪ Density of 10 – 10.25

▪ Ammonium Sulfate 30.0 – 40.0% WT

7. Neither the Contractor nor his employees engaged in the delivery and off-loading of the containers/cylinders shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

8. Contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection with the work which is attributable to the Contractor.

4.5. SODIUM CHLORITE W/SERVICE MAINTENANCE CONTRACT

Estimated twelve (12) month requirement of Sodium Chlorite for the Water Treatment Plant.

• (10/2024 – 09/2025) - 270,000 lbs. Estimated Sodium Chlorite 12-month supply

Service contract to provide Chlorine Dioxide (CLO2), generated on-site, as a pre-oxidant disinfectant, taste and odor, chlorite, chlorate, and trihalomethane control measure. The application for drinking water from various surface supplies.

It shall be understood and agreed that the duration of this contract will be for twelve (12) months and that the price stated shall remain firm for the duration of the contract. The price quoted shall be for two

(2) new chlorine dioxide generator units, each with an emergency backup unit, or by having spare parts easily available at each location within the City. The units shall be located at two (2) raw water intake sites (Pump Station #1 @ West Tower & at the West Treatment Plant) location.

1. The successful bidder shall supply a system for generating CHLORINE DIOXIDE (CLO2) as an aqueous solution from the reaction of SODIUM CHLORITE and CHLORINE GAS. The unit shall be capable of delivering the required amount of CLO2 at each feed point on a continuous basis, 24 hours a day. No chlorine dioxide tanks and subsequent feed pumps shall be used.

2. The unit shall be properly sized and designed specifically for the intended application set forth in the general description above. The unit shall be equipped with a flow measuring device to assist in maintaining system efficiency and to prevent waste to plant water.

3. The reaction product purity shall not be less than 95% CLO2, in continuous online maximum-rated flow production. The unit must NOT be pH dependent to operate.

4. Bidder shall supply all equipment and materials necessary to generate solution on-site except for electricity, plant water at system pressure, chlorine gas, and pH adjustment material. All equipment and materials furnished shall be suitable for the application specified and shall comply with all Federal, State, and Local Codes, Laws, and Ordinances.

5. The bidder’s SODIUM CHLORITE solution must be approved and registered with the ENVIRONMENTAL

PROTECTION AGENCY (EPA): be acceptable to the TEXAS COMMISSION ON ENVIRONMENTAL QUALITY

(TCEQ) and conform to the American National Standards Institute/National Sanitation Foundation

(ANSI/NSF) Standard 60 for use in public potable water systems. Bidder’s equipment must meet

(ANSI/NSF) Standard 61 for use in public potable water systems as well.

The solution shall conform to:

• Active Ingredient: 25% (+/- 1% by wt.) Na CLO2

• Inert ingredient: 75% (+/- 1% by wt.) H2O

• Appearance: Pale yellow slightly hazy liquid

• Shelf Life One (1) year, minimum

• Density: 10.3 to 10.5 lbs./gallon

Product Bulletins, Safety Data Sheets, and a certificate of analysis, including chlorite and chlorate concentration shall be provided for each truck load of sodium chlorite solution delivered.

6. Bidder shall include a calculation of the amount of sodium chlorite in gallons it takes to generate 100 pounds of chlorine dioxide, assuming 100% conversion.

7. Bidder shall supply, install, and maintain two (2) new heavy-duty, double-walled, sun-resistant (black tanks) bulk chemical storage tanks for receiving, storing, and dispensing sodium chlorite on site. Tank capacity shall be no less than five thousand (5,000) gallon capacity. Bidder shall provide signage and warning of hazards in the storage and generation area. The bulk tank shall be equipped with an ultrasonic level monitoring indicator so as to monitor the level inside the tank at the tank location. The bidder will be responsible for the proper operation and setup of said level indicator.

8. Bidder shall supply to the City, an approved Test Kit for the purpose of measuring generator effluent efficiencies, Chlorine Dioxide residuals, and Chlorite residuals. The Test kit must be EPA Approved for test reporting. The bidder will be responsible for training plant personnel in the use of these units. In the event of a unit malfunction, the contractor must supply a replacement unit within three days of notification. The City will be responsible for purchasing reagents and necessary equipment from competitive vendors in order to obtain the lowest price. The City is to retain the test kit upon the end of the contract period and will be considered City property.

9. Deliveries of sodium chlorite shall be by drivers thoroughly trained and familiar with the related hazards, safety measures, and spill clean-up procedures. ALL SPILLS AND LEAKAGE REGARDLESS OF SIZE

SHALL BE PROPERLY AND IMMEDIATELY CLEANED UP BY BIDDER’S PERSONNEL.

• All drivers delivering sodium chlorite will have received certified training, including a Chlorine

Dioxide Safety and Handling Video.

• Proper labeling, including hazard warnings, will be required on all delivery trucks.

• Safety loading and unloading checklist will be used and signed before any chemical is delivered.

10. Prior to installation of the system, the bidder shall deliver a complete and detailed installation and operation manual, including illustrations and drawings, Safety Data Sheets, and other hazardous warning information.

11. Bidder shall provide all necessary labor and materials for a complete installation. All work will be performed by workmen skilled and experienced in the necessary crafts.

The bidder shall provide all necessary labor and materials to maintain the system at peak operating efficiency and safety and shall maintain a complete inventory of spare parts in local stock. All maintenance shall be performed by TRAINED TECHNICIANS familiar and experienced with the bidder’s equipment. SAID TECHNICIAN SHALL BE AVAILABLE 24 HOURS A DAY, 7 DAYS A WEEK, AND SHALL

RESPOND WITHIN 2 HOURS, ONCE NOTIFIED OF ANY EMERGENCY. He shall bring any and all replacement parts and tools required with him on the first response. Bidder shall absorb all repair costs.

12. Bidder’s technician shall perform monthly routine generator efficiency reports, inspections, and preventive maintenance on the system as required, but not to exceed intervals of thirty (30) days.

During each inspection, the bidder’s technician shall:

• Inspect the entire chlorine dioxide system for leaks and malfunctions.

• Analyze influent and effluent treated water for chlorine dioxide

• Analyze treated water for Total and Free Chlorine Residual, utilizing the DPD Method and

Chlorine Dioxide Residuals at the application point, Plant influent, and the Point of Entry to the distribution system, utilizing the Amperometric Method II as outlined in the Standard Methods for the Examination of Water and Wastewater or approved equal.

• Check and calculate overall CLO2 generator efficiency at various flow rates.

• Review Plant records and conduct required testing to ensure maximum generator efficiency.

• Provide initial or additional training to Plant Operators as required to maintain the proficiency of all involved personnel, including the viewing of a Chlorine Dioxide Safety Video.

Bidder shall absorb all costs for the analytical, inspection, and preventive maintenance program set out above.

13. Startup and initial training shall be provided at no additional charge, and will include training operating PERSONNEL in the following areas:

• Checking the equipment installation.

• Physical properties of chlorine dioxide, chlorine gas, chlorite, chlorate, and/or any other chemicals used in the system.

• Chemistry/Methods of chlorine dioxide generation.

• How to optimize generator performance.

• Maintenance and repair procedures.

• Sampling and analytical procedures for chlorine dioxide, chlorine, and chlorite determinations, yields, and residuals.

• Safety considerations in operations and chemical handling, including viewing of a comprehensive Chlorine Dioxide Safety Video.

14. Bidder shall provide the following tests every month during the life of the contract agreement;

sampling consists of two(2) distribution three-sample sets, and two (2) Point of Entry samples, for a total of eight (8) sample analysis for the determination of Chlorite and (6) sample analysis for Total trihalomethane. Methods of analysis shall be as specified in 40 Code Federal Regulations or by any alternative analytical technique specified by the Executive Director and approved by the Administrator under 40 CFR ‘ 141.27. All samples to be analyzed by a laboratory certified by the Texas Department of

Health Bureau of Laboratories. Bidder shall absorb all testing costs.

• Chlorite Analysis - Eight (8) will be collected at the following locations:

o POE DTP -Point of Entry Down Town Plant o 22420 FM 1017 o 422 E. Lovett o 1521 Ivy Lane o POE West TP - Point of Entry West Treatment Plant o 122 N. McColl Rd.

o 3511 Lancelot o 135 Alberta Rd.

• Total Trihalomethane Analysis - Six (6) will be collected at the following locations:

o 22420 FM 1017 o 422 E. Lovett o 1521 Ivy Lane o 122 N. McColl Rd.

o 3511 Lancelot o 135 Alberta

15. Bidder’s chlorine dioxide equipment shall be capable of functioning manually, automatically, and proportionally.

• Manual ON-OFF operation shall occur by the switch. During the OFF cycle, generation equipment, and effluent piping shall be automatically purged of chlorine dioxide solution.

• Automatic operation shall occur by 24 hours a day, 7 days a week timer. A water purge shall occur automatically during OFF time to adequately evacuate generation equipment and effluent piping of chlorine dioxide solution.

• Proportional control shall feed precursor chemicals in direct proportion to a 4-20 mA signal.

Plant to provide 4-20 mA signal used on Plant’s water production.

• Bidder’s chlorine dioxide equipment will have an emergency shut-down device to stop the chlorine dioxide generation process as well as an emergency purge cycle to evacuate all chlorine dioxide solutions from generation equipment and associated piping.

• Bidder’s chlorine dioxide equipment shall contain a switch device and means to alarm plant operations of a loss of chlorine. Said switch device will be interlocked to shut down the precursor chemical system.

• Bidder’s chlorine dioxide equipment shall contain a notification device and means of alarm to plant operations of a loss of motive water to the unit. Said alarm switch to be interlocked to shut off chlorine gas and chemical injection system.

• Bidder shall provide a copy of a valid and applicable commercial general liability policy with

$1,000,000 per occurrence, $3-5 million dollar aggregate limits with additional insured endorsement, and pollution coverage extension endorsement.

• Bidder shall guarantee pricing for the duration of the contract.

• The bidder’s current credit rating must be provided with the bid.

• The delivery product shall be no more than five (5) days after notification by authorized CITY

PERSONNEL.

• Bidder shall submit a bid based on a price per pound of specified sodium chlorite solution, which shall be F.O.B. The City of Edinburg, and include deposit, rent, or demurrage charges if applicable. The City will not be responsible for any additional costs not included in the bid price.

• In the event, the chlorine dioxide equipment is no longer required, or desired, or a different bidder is successful, the bidder will be given thirty (30) days' notice and shall remove the equipment at the bidder’s expense.

16. All bidders will be required to submit proof of qualifications, including references, all insurance coverage, names of current SERVICE PERSONNEL, EPA registration number for sodium chlorite, laboratory qualifications, ANSI/NSF Standard 60 & 61 Certification, Material Data Sheets, written acceptance of State Regulatory Officials if account references (or no references are available) are outside of the State of Texas, and all other pertinent information related to this bid. The undersigned hereby certifies that he/she understands all the above, has read them carefully, and shall deliver and furnish all articles or services specified in this specification.

17. Neither the Contractor nor his employees engaged in the delivery and off-loading of the related materials shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

18. Contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection with the work which is attributable to the Contractor.

4.6. COPPER SULFATE (LARGE CRYSTAL)

Estimated twelve (12) month requirement of Copper Sulfate (Large Crystal) for the Water Treatment

Plant.

• (10/2024 – 9/2025) - 10,000 lbs. Estimated – Copper Sulfate (LARGE CRYSTAL SIZE) (BULK

ORDER)

The product is to be delivered to the West Water Treatment Plant located at 1752 South Mon

Mack Road in Edinburg, Texas.

1. The product must be of a LARGE CRYSTAL SIZE and odorless.

2. The product must be able to control algae growth in the raw water reservoir with a minimum water temperature of 60 Fahrenheit. The product must have an active ingredient of at least 99% copper sulfate.

3. The product must be acceptable to the Texas Commission on Environmental Quality (TCEQ) and must conform to American National Standards Institute/National Sanitation Foundation (ANSI/NSF) Standard

60 for potable water treatment.

4. Certification for ANSI/NSF Standard 60 and Safety Data Sheet or equivalent must accompany bid quote.

5. The product must be soluble in water and must be in sealed containers/sacks equal to fifty (50) pounds.

6. Neither the Contractor nor his employees engaged in the delivery and off-loading of the materials shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

7. The contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection with the work which is attributable to the Contractor.

4.7. City of Edinburg Water Treatment Plant (1752 S. Mon Mack Rd.) – Belt Filter Press Polymer

Estimated quantities based on projected usage during a twelve (12) month period. The City will be ordering approximately four (4) drums on an as-needed basis. The City may increase or decrease the usage depending on the availability of funds.

• (10/2024 - 9/2025) - 20 drums Estimated - Belt Filter Press Polymer

**Actual quantities may vary significantly and are dependent on yearly service requests.

1. The unit prices for this contract shall remain the same, whether the City buys more or less than the amount of the product, and will not increase or decrease more than 25% without the consent of the vendor.

2. The price quoted shall prevail for a contract period of twelve (12) months, or as otherwise specified from the time of acceptance and issuance of the Purchase Order.

3. The bid price shall include any freight charges, deposits, rent, and demurrage charges for containers, if any. The City will not be responsible for any additional costs not included in the bid price.

4. The unit price per 55-gallon drum shall be specified by the bidder.

5. Superfund tax, hazardous handling charge, fuel surcharge, or other environmental charge shall be included in the bid price, or specified as an addendum. The City will not be responsible for any additional costs not included in the bid price.

6. The vendor must conduct three (3) polymer integrity evaluation analyses during the fiscal year.

7. The product supplied MUST be approved and registered with the ENVIRONMENTAL PROTECTION

AGENCY (EPA): be acceptable to the TEXAS COMMISSION ON ENVIRONMENTAL QUALITY (TCEQ) and conform to the American National Standards Institute/National Sanitation Foundation (ANSI/NSF) for use with potable water.

8. The polymer will be similar to CLARIFLOC C-6266 PWG (Polydyne, Inc.) F-2008P (Chemnation, Inc.)

Polymer characteristics, or an approved equal. Any vendor proposing an approved equal must first perform an integrity evaluation analysis prior to submittal of the Bid and be added to The City’s

Approved list of Polymers (failing to submit analysis will deem the bid nonresponsive):

▪ Appearance – Milky

▪ Ionic Character – Cationic

▪ Charge Density – very high

▪ Molecular Weight – very high

▪ Approximate Bulk Density – 1.04

▪ Average Non-Volatile Solids (%) – 47

▪ Recommended working concentration (g/l) – 10

▪ Bulk Viscosity – (cps) – 1200

▪ Stability of D.I. Solution (days) – 1

▪ Dilution to Obtain 5 g/l Active Content – 92

▪ Approximate viscosity @ 5 gll Active Content (cps) – 1600

▪ Storage Temperature (Degree C) – 0-35

▪ Shelf Life (months) – 6

9. Neither the Contractor nor his employees engaged in the delivery and off-loading of the materials shall be considered employees of the City. The method and manner of performance of such undertakings shall be under the exclusive control of the contractor’s delivery personnel. The City shall have the right of inspection of said undertakings at any time.

10. Contractor agrees to carry adequate public liability insurance and further agrees to indemnify and hold the City harmless of any form and from any and all losses, damages, or claims arising out of or in any way connected with any injury or injuries to any employee or employees of the contractor and from any claims of any other persons for injuries, losses or damages sustained at, around, or in connection

4.8. City of Edinburg Wastewater Treatment Plant (1201 N. “M” Road) – Belt Filter Press Polymer

Estimated quantities based on projected usage during a twelve (12) month period. The City will be ordering approximately four (4) drums, as needed, per month. The City may increase or decrease the usage depending on the availability of funds.

• (10/2024 - 9/2025) - 200 drums Estimated - Belt Filter Press Polymer

**Actual quantities may vary significantly and are dependent on yearly service requests.

1. The unit prices for this contract shall remain the same, whether the City buys more or less than the amount of the product, and will not increase or decrease more than 25% without the consent of the vendor.

2. The price quoted shall prevail for a contract period of twelve (12) months, or as otherwise specified from the time of acceptance and issuance of the Purchase Order.

3. The bid price shall include any freight charges, deposits, rent, and demurrage charges for containers, if any. The City will not be responsible for any additional costs not included in the bid price.

4. The unit price per 55-gallon drum shall be specified by the bidder.

5. Superfund tax, hazardous handling charge, fuel surcharge, or other environmental charge shall be included in the bid price, or specified as an addendum. The City will not be responsible for any additional costs not included in the bid price.

6. The approved polymer will have the Clarifloc CE-1620 (Polydyne Inc.) FBS C1683 (Fort Bend Services)

FB-2308 (Chemnation, Inc.) Polymer characteristics, or an approved equal. Any vendor proposing an approved equal must first perform an integrity evaluation analysis prior to submittal of the Bid and be added to The City’s Approved list of Polymers (failing to submit analysis will deem the bid nonresponsive):

▪ Appearance – Opaque liquid

▪ Ionic Character – Cationic

▪ Charge Density – very high

▪ Molecular Weight – high

▪ Approximate Bulk Density – 8.66

▪ Specific Gravity – 1.04

▪ Active Content (%) – 43

▪ Bulk Viscosity – (cps) – 1200

▪ pH – 3-5

▪ Maximum Concentration (gll) – 10

▪ Stability of D.I. Solution (days) – 1

▪ Dilution to Obtain 5 gll Active Content – 93

▪ Approximate viscosity @ 5 gll Active Content…