CITY OF FORT WORTH - PURCHASING DIVISION

SPECIFICATIONS

RFQt Ref. #: 26-0230 Doc. Ref#: RFQt-03 Page 1 of 11 RFQt Title: Gas Monitoring and Repairs

1.0 INTRODUCTION

The City of Fort Worth (City) seeks quotes to finalize an Agreement for gas monitors and repair services as described herein on an “as needed basis” for the Water Department. Gas monitors provide safety instrumentation for sanitary sewer crews when used in dangerous atmospheric conditions within confined spaces. The units shall provide alarms for unsafe conditions for crews to use while performing routine maintenance, work for inflow, and infiltration studies in sewer lines to meet regulatory requirements set by the Environmental Protections Agency (EPA). The successful bidder(s), known hereafter as “Contractor”/”Vendor.”

2.0 GENERAL REQUIREMENTS

2.1 Applicable Code, Standard and References

2.1.1 All work, equipment, and materials shall be in accordance with the following applicable codes and standards except as provided.

2.1.1.1 American Water Works Association (AWWA) Manual

M2 – Instrumentation and Control

2.1.1.2 National Electrical Manufacturer’s Association

(NEMA)

2.1.1.3 American Society for Testing and Materials (ASTM)

2.1.1.4 Underwriters Laboratories (UL)

2.1.1.5 All inspections, tests and troubleshooting shall utilize manufacturers’ instruction manuals applicable to each particular apparatus.

2.2 Vendor shall provide all necessary work, services, materials, parts, equipment and supplies on an as-needed basis, as requested by the City.

2.3 Vendor shall be experienced in the selection, startup, commissioning, repairs, calibration, troubleshooting, and sizing, and overall knowledge of the instrumentation utilized within a water and wastewater utility.

2.4 Vendor shall have good working relationships with instrumentation suppliers. Vendor shall be able to respond within 48 hours after being

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2.5 Installation Warranty shall be two years from the date of installation.

Instrumentation requiring Vendor shop repair and/or calibration shall be picked up by the Vendor unless otherwise requested by the City.

Compensation for pickup and delivery of equipment shall be per mile required for transportation from the site to the Vendor shop.

2.6 Instrumentation that can’t be field or shop repaired and/or calibrated shall either be replaced, or mailed to the supplier’s shop for supplier repairs and/or calibration. Vendor shall be required to coordinate supplier repairs with the City.

2.7 Hourly Rates – Due to the wide range of work to be performed within this contract, compensation to the Vendor shall be broken down into hourly rates for field and shop services taking into account the time work is performed. The unit price for hourly rates shall be full compensation for all salaries, benefits, transportation costs, overhead and profits. No compensation will be provided for tools, testing equipment, or software necessary to perform the work.

2.8 Delivery Time – Should the City elect to purchase new

instrumentation, Vendor shall disclose with their job estimate the time required for delivery. Additional time required beyond the estimated time resulting from either the inexperience of vendor staff, improper sizing or application, or lack of coordination with the supplier will not be compensated by the City.

2.9 Repair Estimates – Vendor will provide an estimate for repair in writing before proceeding with any repair work. Estimate shall be provided to the City in a timely manner. When requested, Vendor shall provide an estimate for replacement of the equipment, in lieu of repair. If job estimates exceed $5,000 or the estimated cost is deemed unreasonable, the City may at its discretion competitively bid the work out as an independent contract.

2.10 Startup, Commissioning, Troubleshooting, Repairing, and Calibration in the Field or Vendors Shop.

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2.10.1 Vendor shall provide one electronic copy of shop

drawings, startup reports, and O&M manuals for new equipment provided under this contract.

2.10.2 The City will supply equipment shop drawings, operations and maintenance manuals, engineering drawings and specifications, and any additional equipment and/or system information that would be helpful to the Vendor prior to field investigation or troubleshooting.

2.10.3 Vendor will be expected to properly size new or

replacement equipment, based on information provided by the City on operational parameters. Should the sizing not be performed properly based on the information provided by the City, Vendor shall be responsible for the replacement or upgrade.

2.10.4 At the equipment commissioning, the Vendor shall be

responsible for implementing all final settings and adjustments on equipment provided, with input from the City on the operational parameters.

2.11 Field Safety Precautions

2.11.1 Vendor shall be responsible for meeting all federal, state, and local requirements related to workplace safety.

2.11.2 Vendor is required to provide their staff with all

personal protective equipment associated with the job requirements.

2.11.3 Vendor shall coordinate with City staff to de-energize equipment prior to initiating field work activities.

2.11.4 Vendor shall provide City with insurance certificate

prior to award of contract.

3.0 SPECIFICATION REQUIREMENTS

3.1 Gas Monitor, Zellweger Analytics Impact Pro or equal brand complete

RFQt Ref. #: 26-0230 Doc. Ref#: RFQt-03 Page 4 of 11 unit, containing a multi-sensor four (4) gas cartridge to monitor oxygen, flammable gases, carbon monoxide, and hydrogen sulfide levels, charge kit, power supply, base station, rechargeable batteries, body harness, pc link cable, software, twenty (20) foot of tubing, dry cell battery holder, four (4) AA batteries, belt clip, flow adaptor, quick start guide, operating instructions on Compact Disk (CD), integral pump/pump adaptor, data logging capabilities, vibrating alarm, and safe link.

3.1.1 The unit shall have an Ingress Protection rating level (IP67) for total protection against dust and water protected against the effect of immersion between 15 centimeters (cm) and 1 meter (m).

3.1.2 One button on/off;

3.1.3 Ultra clear, backlit, alphanumeric display. Push button menu system with user selectable operation in English and Spanish;

3.1.4 Supplied configured, ready to use and configurable via optional

PC software and base station for control of logging functions and data download;

3.1.5 Impact resistant plastic, anti-static to electrical apparatus for potentially explosive atmospheres (EN50014:1998);

3.1.6 Must record and store readings from a minimum of twenty-five

(25) identifiable locations and be able to download data to a computer.

3.1.7 Must be approximately 4.4 inches (in.) wide and weigh less than 3 pounds (lbs.)

3.1.7.1 Instrument must simultaneously and continuously

monitor gases in the following measured ranges:

3.1.7.2 Combustible Gases: 0 percent (%) to 100% Lower

Explosive Limit (LEL) in 1% increments;

3.1.7.3 Methane: 0% to 5% volume in .05% increments;

3.1.8.3 Oxygen: 0% to 25% of volume in 1% increments;

3.1.8.4 Carbon Monoxide: 0 to 999 parts per million;

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3.1.8.5 Hydrogen Sulfide: 0 to 200 parts per million.

3.1.8.6 Alarms: Three (3) levels of instantaneous alarms per

channel. Time weighted average alarms on toxic channels including audio alarm with periodic bleep with differing dual tone for fault, gas alarm, and warning rated 90 decibel rating (dB) at 1 foot, and visual alarm with rapid red flashing for fault, gas alarm, and warning indication.

3.1.8.7 Calibration for gas monitor shall be less than two (2) minutes.

3.1.8.8 Accessories: A list of available accessories, part

numbers, and pricing shall be included in the bid package. Common required accessories include hard carrying cases, chargers, calibration kits, and instruction videos on Digital Versatile Disc (DVD), Video Home System (VHS), or Compact Disc (CD) format. The accessories list shall not be included in the cost of service criteria in Section 18.1 of Part II Scope of Services/Specifications.

3.1.8.9 Instruction manuals shall be furnished in English and Spanish.

3.2 Gas Monitor, GX2009 unit or equal brand, simultaneous monitor and detect four (4) gases, including combustibles, oxygen, carbon monoxide, and hydrogen sulfide. Dual audible alarm ports, three (3) visual alarm Light Emitting Diode (LED)s, vibration alarm, waterproof/dustproof design, calibration lock out or reminder controls, large capacity data logging standard, eight (8) alarm trends, log time range of 10 to 300 hours, 100 calibration records, 20 hours of operation Nickel Metal Hydride (NiMH) batteries, large Liquid Crystal Display (LCD) screen, Automatic backlighting at alarm, impact resistant over-mold body, shielded body hard carrying case and safe link.

3.2.1 The unit shall be sealed, moisture resistant, with a high impact case and nonsparking.

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3.2.2 The unit shall be able to record and store readings then download the data for a personal computer (PC).

3.2.3 Dimension/Weight – Approximately 2.7 in. High x 3 in. Wide x 1 in. Deep at 4.6 ounces.

3.2.4 Sensors – Broad Band Sensor/Combustible Gases. Instrument shall be able to simultaneously and continuously monitor for all gases.

3.2.4.1 Combustible Gases: 0% to 100% LEL in 1%

increments.

3.2.4.2 Methane: 0% to 5% of volume in .05% increments;

3.2.4.3 Oxygen: 0% to 40% of volume in 0.1% increments;

3.2.4.4 Carbon Monoxide: 0 to 500 parts per million (1 PPM);

3.2.4.5 Hydrogen Sulfide: 0 to 100 PPM (1 PPM) Calibration for gas monitor shall be less than two (2) minutes.

3.2.4.6 Power Source/Readout: Rechargeable nickel-cadmium

battery pack with digital LCD displays all four gases simultaneously, with auto backlight.

3.2.4.7 Temperature Range: 4 degrees to 122 degrees

Fahrenheit, 0% to 95% relative humidity (RH), non-condensing and splash resistant.

3.2.4.8 Controls: Two (2) glow in the dark buttons:

Power/Mode and Air.

3.2.4.9 Alarms: The gas detection unit will have the following alarms.

3.2.9.1 Audio alarm;

3.2.9.2 Visual alarm;

3.2.9.3 Low battery alarm;

3.2.9.4 Alarm to warn that a sensor has failed or that

sensor is not in unit.

3.2.9.4.1 Response time shall be within 30

seconds.

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3.2.10 Continuous Operation: 20 hours after a three (3) hour full charge, 14 hours after 90 minutes charge.

3.2.11 Accessories: Hard cases, carrying case for monitors, charger for monitors and sampling pumps, sampling pump with a 20 foot hose, and instruction manuals on DVD, or CD format with six (6) each – Calibration kits.

3.2.12 Optional Accessories: Belt Clip, Padded carrying case for GX- 2009 and accessories Charging station, 115/220 Volt Alternating Current (VAC) powered for two (2), three (3), four (4), or five (5) instruments, charging station with 12 Volts Direct Current (VDC) adapter with vehicle plug (does not include charger base), RP-6 sample drawing pump with a ten

(10) foot hose.

3.2.13 Instruction manuals shall be furnished in English and Spanish.

4.0 DELIVERY

4.1 All items shall be delivered to: City of Fort Worth, Centralized Water Laboratory 2600 SE Loop 820, Fort Worth, Texas 76140.

4.2 Delivery Time: Monday through Friday, 8AM-3:00PM.

4.3 A Material Safety Data Sheet (MSDS) for each toxic or hazardous substance or mixture containing such substance, pursuant to Revised Statutes Annotated (RSA) Chapter 277-A (277-A), shall accompany each delivery. Delivery of toxic or hazardous substance or mixtures containing such substance without MSDS sheets shall not be accepted.

Delivered containers shall be properly labeled pursuant to RSA 277-A.

4.4 Failure to submit the required MSDS sheets and/or label each container in accordance with RSA 277-A, shall place the Vendor in non-compliance and shall result in civil or criminal penalties. The Vendor furnishing substances or mixtures subject to RSA 277-A, is responsible for adhering to and being in compliance with this law. Failure to comply with RSA 277-A, shall result in the cancellation of an order.

5.0 AGREEMENT TERMS

5.1 Official Warranty Statement must be included with the bid.

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5.2 When applicable, all equipment requiring replacement will be replaced with a new item and not a refurbished item.

5.3 In addition to any other warranties in this contract, the supplier warrants that all work and products shipped under this agreement conforms to the agreement requirements and is free from any defect in workmanship, equipment, material or design furnished by the Supplier.

5.4 Vendor agrees to repair or replace promptly, on a one-for-one basis without additional cost to the City of Fort Worth, for all defective work and products. The City defines “prompt” repair or replacement to be within 1-5 business days after notification by authorized City personnel.

6.0 METHOD OF AWARD

6.1 Quotes will be evaluated based on the lowest responsive and responsible bidder complying with all the provisions of the solicitation, provided the bid price is reasonable, and it is in the best interest of the City to accept it.

6.1.1 A responsive bidder is defined to be one who submits a

completed quote packet within the stated deadline and in accordance with the specification.

6.1.2 A responsible bidder is defined as one who demonstrates via responses to the selection criteria his/her ability to successfully deliver the supplies, equipment, or services being procured.

6.2 In order for the City to receive adequate coverage on its requirements as specified in the solicitation, the City reserves the right to make multiple awards.

6.3 The City reserves the right to accept or reject in whole or in part any or all bids received and to make an award on the basis of individual item, combination of items, or overall bid, as it is deemed in the best interest of the City. The City also reserves the right to reject the bid of a bidder who has previously failed to perform properly or complete on time agreements of a similar nature.

6.4 The City also reserves the right to reject the bid of a bidder who has

RFQt Ref. #: 26-0230 Doc. Ref#: RFQt-03 Page 9 of 11 previously failed to perform properly or complete on time agreements of a similar nature.

7.0 PRICE ADJUSTMENTS

Vendors that require that unit prices be adjusted for increases or decreases in Vendor’s cost during the contract period shall use the procedure listed below. Price adjustments may only be requested on an annual basis in conjunction with the contract’s renewal.

8.0 QUANTITIES - The quantities listed on the bid table are only estimates based on previous usage and do not indicate intent to purchase or a guarantee of future business. The City of Fort Worth is obligated to pay for only those materials and services actually ordered by an authorized City employee and then received as required and accepted by the City.

9.0 SMALL BUSINESS PROGRAM - This solicitation is subject to the Small Business Program, Ordinance No. 27832-08-2025 under Chapter 21 of the Code of the City of Fort Worth. More information on the program can be found on the city’s website at:

https://www.fortworthtexas.gov/news/2025/7/sbdp

10.0 INVOICES AND PAYMENTS

10.1 Registration - Successful Bidder(s) is required to register for direct deposit payments prior to providing goods and/or services using the forms posted on the City’s website at:

https://www.fortworthtexas.gov/departments/finance/purchasing/register

10.2 Payment – All payment terms shall be “Net 30 Days” unless specified in the bid and agreed in the City.

10.3 Invoices – The Vendor shall send invoices electronically to the City’s centralized Accounts Payable department invoice email address:

supplierinvoices@fortworthtexas.gov

10.3.1 Please include the following on the subject line of your email:

Supplier name, Invoice number, and PO number, separated by an underscore (ex: Example, Inc._123456_FW013-0000001234)

10.3.2 This email address is not monitored so please do not send correspondence to this email. If Vendor has any invoice questions, please contact the City Department ordering the https://www.fortworthtexas.gov/news/2025/7/sbdp https://www.fortworthtexas.gov/departments/finance/purchasing/register mailto:supplierinvoices@fortworthtexas.gov

RFQt Ref. #: 26-0230 Doc. Ref#: RFQt-03 Page 10 of 11 goods/services or Central Accounts Payable at 817-392-2451 or by email at:

10.3.3 Zz_FIN_AccountsPayable@fortworthtexas.gov

11.0 BRAND NAME

10.1 The Bidder may offer an "equal" product of any brand name mentioned and must be prepared to demonstrate those features that render it equal.

Final determination of a product as "equal" remains with the City.

10.2 To be considered for award, offer of “equal” products, including “equal” products of the brand name manufacturer must:

10.3 Meet the salient physical, functional, or performance characteristics specified in this bid;

10.4 Clearly identify the item brand name, if any, and make or model number;

10.5 Include descriptive literature such as illustrations and/or drawings.

10.6 Clearly describe any modifications the bidder plans to make in a product to make it conform to the bid requirements. Mark any descriptive material to clearly show the modifications.

10.7 The Purchasing Manager or designee will evaluate “equal” products on the basis of information furnished by the bidder or identified in the bid and reasonably available to the Purchasing Manager. The Purchasing Manager or designee is not responsible for locating or obtaining any information not identified in the offer.

12.0 QUOTE SUBMISSION INSTRUCTIONS

A quote may be deemed non-responsive and may be disqualified, at the City’s discretion, if the bid submittal fails to comply with the following instructions.

12.1.1 Bidder shall submit the following items:

12.1.2 Completed RFQt-01 Forms

12.1.3 Completed Bid Table

12.1.4 Small Business Enterprise Certificate, if applicable.

mailto:Zz_FIN_AccountsPayable@fortworthtexas.gov

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