SCOPE OF WORK

CNG Fueling Station Preventative Maintenance Services

Department of Airports

1. Maintenance and Repairs

As described in Schedule B (which is attached hereto and incorporated by reference herein), Contractor shall provide Compressed Natural Gas (CNG) Preventative Maintenance and Repair Services for the County (the "Services"), in accordance with the manufacturer's specifications and terms and conditions. All maintenance and repairs, their related components and services that are normally furnished for the performance of the Services and are required for the performance of the Services shall be provided, except for those that are otherwise additionally stated/specified herein. All components, equipment and combinations thereof as offered shall be compatible and approved for the intended application by equipment manufacturers.

Contractor shall provide GHS Safety Data Sheets as required by Cal/OSHA.

Contractor shall:

A. Provide all labor, personnel, material, tools, supplies, licenses, and/or permits, and insurance to provide the services described in this Request for Proposals (RFP) for the CNG fueling facility located at 6730 Aviation Dr, Sacramento, CA 95837.

B. Only use certified CNG technicians equipped with the appropriate safety equipment and tools to perform the work.

C. Provide services 24 hours, 7 days a week, including holidays. The County reserves the right to determine what constitutes an emergency.

D. For the avoidance of any doubt, no remote monitoring shall be provided by Contractor pursuant to this contract.

E. Provide on-site response to service calls within 48 hours and response to emergency calls within 24 hours of notification from the designated County employees.

F. Perform detailed equipment inspection and repair and maintenance services to include preventative maintenance (twice monthly) and repairs to the County CNG Station, slow fill dispensing system and fast fill dispensing system in accordance with the Preventive Maintenance Inspections checklist attached hereto which may be updated by the Contractor based on manufacturer recommendations. Alternate checklists may be used with prior approval of the County. Preventative maintenance inspections shall also include identification of deteriorated, obsolete, unsupported, or failure-prone equipment and recommendations for corrective upgrades, replacements, or system improvements necessary to maintain reliable and safe operation of the facility.

G. Perform major services and repairs at 4000 hour, 8000 hour and other benchmarks as specified by the compressor and equipment manufacturer's recommended service intervals. In the event manufacturer-recommended components, assemblies, or systems become obsolete or unavailable, Contractor shall recommend equivalent or upgraded replacement solutions compatible with the existing system and operational requirements.

H. Notify designated County employees of their arrival and departure from the facility.

I. A detailed Preventive Maintenance Inspections checklist or comprehensive report of repairs completed will be provided to the County, signed by a designated County employee and the service technician prior to departure from the facility.

J. Make repairs of defects noted on the Preventive Maintenance Inspections checklist at the time of the inspection if parts are available from the Contractor's service truck stock or from County parts stock in accordance with the Call Out Rates described in Schedule B.

K. All repairs shall be reviewed and approved by the designated County employee prior to taking corrective action and utilizing any additional time or resources beyond those authorized by this agreement.

L. Be responsible for all repairs and services shown to be defective due to poor Contractor workmanship and should be covered at the Contractor's expense. All workmanship to be warranted for ninety (90) days separate from parts/materials manufacturer warranty. Parts/materials warranties shall be handled by installing contractor.

M. Provide OEM standard brands of materials and supplies, or equivalents, in the performance of this work. Materials and supplies that are not OEM standards shall be approved by the County prior to installation. The County reserves the right to specify the type and quality of all materials and supplies to be used in the work. All replaced materials and fluids shall be removed from County sites by contractor. When OEM-standard materials or components are no longer available, Contractor may recommend equivalent, upgraded, or successor products that meet or exceed the original equipment specifications, subject to County approval.

N. Provide parts and their associated equipment and lubricants in accordance with manufacturer's current standard data book specifications, requirements, recommendations and options and shall conform to all federal and state regulations in effect at the time of delivery. The County to have the option to source and supply contractor with required parts. Contractor shall notify the County of known manufacturer discontinuations, obsolete parts, extended lead-time items, or unsupported systems that may affect future operation or maintenance of the CNG facility and may recommend replacement strategies or modernization plans.

O. Have a service truck set up to do maintenance and repairs in a timely manner, all tools and standard spare parts should be present on the vehicle. Provide sufficient labor, training and supervision at all times to carry out the work satisfactorily, and shall ensure that only competent workers who are skilled and certified in the type of work specified are employed. If the County determines that a person is incompetent or disorderly, the Contractor shall immediately remove such person from performing any further service under this agreement.

P. Emergency Temporary Repairs and Interim Measures

When critical equipment failures occur and replacement parts or permanent repair solutions are unavailable due to obsolescence, lead times, or supply chain limitations, Contractor may recommend temporary repair methods or interim operational solutions intended to safely maintain partial or full system functionality until permanent corrective work can be completed. Any such temporary measures shall require County approval unless emergency action is necessary to prevent injury, environmental release, equipment damage, or complete operational shutdown.

Q. Technology and Regulatory Compatibility

Contractor shall make reasonable efforts to ensure that replacement equipment, upgrades, and system modifications are compatible with current industry standards, manufacturer support requirements, cybersecurity considerations, monitoring platforms, communication protocols, and applicable regulatory requirements in effect at the time of installation.

2. System Modernization and Upgrades

System Upgrades¹, Modernization², and Obsolescence Management

Contractor shall support the ongoing reliability, safety, operational efficiency, and regulatory compliance of the County’s Compressed Natural Gas (CNG) fueling station systems through the identification, recommendation, design assistance³, procurement support, installation, configuration, and commissioning of replacement or upgraded¹ equipment and components when required.

Such services may include, but shall not be limited to:

A. Replacement⁴ of obsolete, unsupported, discontinued, or end-of-life equipment, components, software, firmware, communication modules, control systems, instrumentation, dispensers, compressors, dryers, valves, electrical devices, or related infrastructure.

B. Recommendations for system improvements intended to increase reliability, safety, fuel throughput, energy efficiency, redundancy, maintainability, compatibility, monitoring capability, or operational performance.

C. Modifications⁵ or upgrades¹ necessary to maintain compatibility with current manufacturer standards, available replacement parts, software platforms, communication protocols, emissions requirements, utility requirements, or applicable federal, state, and local codes and regulations.

D. Expansion or modification of the CNG fueling infrastructure – Not part of this scope.

E. Engineering support⁶, technical evaluations, diagnostics, lifecycle assessments, and written recommendations identifying equipment deficiencies, anticipated failures, obsolete systems, or operational constraints that may adversely affect system reliability or availability.

F. Coordination with equipment manufacturers, suppliers, utility providers, regulatory agencies, and County representatives as necessary to support system upgrades, replacements, and expansions.

G. Installation and integration of upgraded¹ equipment and associated electrical, mechanical, pneumatic, communication, or control system components required for proper operation.

H. Testing, calibration, startup, commissioning, and operational verification of upgraded¹ or newly installed equipment.

I. Provision of updated documentation, including as-built drawings, operating manuals, maintenance procedures, parts lists, software or firmware revision information, and recommended preventive maintenance requirements associated with upgraded¹ systems.

J. Training for County personnel regarding the operation, maintenance, and safety requirements of newly installed or upgraded equipment when requested by the County.

All proposed upgrades, improvements, replacements, or expansions shall require prior written authorization by the County before work proceeds beyond evaluation and quotation activities unless immediate corrective action is required to protect life, safety, equipment, or continuity of operations.

¹ “Replacement-in-kind.”

² The modernized item is minor and incidental to fixing a maintenance failure.

³ The design is minor and incidental and supports the immediate maintenance work and is needed to troubleshoot, repair, or replace an existing component and does not crossover into standard architectural or engineering design for new projects.

⁴ Replacement-in-kind or replacement of an obsolete component with a modern, upgraded component performed to bring the system back to its fully functional state.

⁵ The modification is minor, corrective, and necessary to restore the system to its proper working order.

⁶ Engineering tasks directly tied to keeping the CNG station running..