HomeMy WebLinkAbout09-08-2026 SLO Transit Contingency Fleet Plan
San Luis Obispo (SLO) Transit
Contingency Fleet Plan
Prepared by:
City of San Luis Obispo
Public Works and Utilities Department
990 Palm Street
San Luis Obispo, CA 93401
www.slocity.org
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Revision History
Revision No. Date Description
1.0 September 1, 2026 Approval of initial plan
Document Approval
Approved By Position Date Signature
Whitney McDonald City Manager
This Contingency Fleet Plan is approved by the City Manager, who serves as the
Accountable Executive for San Luis Obispo (SLO) Transit, as authorized by the City
Council of the City of San Luis Obispo on September 1, 2026. The City Manager is also
authorized to approve future administrative updates to the Plan as necessary to maintain
compliance with applicable Federal Transit Administration requirements and to address
changing operational conditions.
Purpose
The Contingency Fleet Plan (Plan) is to ensure the continued provision of safe, reliable,
and efficient public transit service during the City of San Luis Obispo’s (City) transition
from conventional diesel-powered buses to battery-electric buses (BEBs).
The City operates a fixed-route fleet of 18 revenue vehicles. Due to the relatively small
fleet size, the temporary unavailability of even a few vehicles may significantly impact
service delivery. As such, maintaining a contingency fleet is necessary to ensure
continuity of operations during the phased transition to zero-emission technologies.
This Plan establishes the policy and procedures for maintaining and deploying a limited
contingency fleet of legacy vehicles. This Plan also outlines the periodic need and
justification for the City’s contingency fleet as required by the Federal Transit
Administration (FTA) prior to establishing a contingency fleet.
Staff reviews this plan annually and update s it as necessary to support the contingency
fleet and related processes and procedures. The City’s active rolling stock is not part of
the contingency fleet and the City does not calculate or include contingency fleet vehicles
into its spare ratio.
Regulatory Framework
This Plan is developed in accordance with applicable federal requirements governing
transit asset management and federally funded property. While the Code of Federal
Regulations does not specifically define or regulate contingency fleets, this Plan is
consistent with 49 CFR Part 625 (Transit Asset Management), which requires recipients
to implement lifecycle management practices for capital assets.
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In addition, this Plan aligns with guidance set forth by FTA Circular 5010.1 F (Award
Management Requirement) which permits recipients to retain vehicles beyond their
minimum useful life and to use these vehicles for non-routine or contingency purposes,
provided that such use is appropriately documented and the vehicles are excluded from
spare ratio calculations.
The City will maintain compliance with FTA spare ratio requirements1 by excluding
contingency fleet vehicles from spare ratio calculations and maintaining clear fleet
documentation that distinguishes between active fleet vehicles and inactive2 vehicles.
The City will also ensure consistency between this Plan and National Transit Database
(NTD) reporting, including proper classification of contingency vehicles.
Collectively, these authorities provide the regulatory basis for the limited retention and
controlled use of contingency vehicles to support service continuity during the City’s
transition to 100 percent zero-emission fleet operations. Additionally, this Plan supports
compliance with California’s Innovative Clean Transit Regulation, which requires full
transition to zero-emission bus fleets by 2040.
Policy Statement
The City actively maintains a contingency transit fleet in compliance with FTA
requirements and, as such, is in addition to the normal spare ratio as allowed by federal
regulations. The contingency fleet will be used only for emergency responses, employee
training, or to maintain service delivery levels throughout the City’s transition to a zero-
emission fleet. The contingency fleet will be maintained per original equipment
manufacturer (OEM) requirements to ensure mechanical reliability and readiness.
Contingency Fleet Composition
The contingency fleet will consist of diesel buses that have met or exceeded the Useful
Life Benchmark (ULB) requirements. In the case of large, heavy-duty transit buses, the
ULB is at least 12 years of service or an accumulation of at least 500,000 miles. Table 1
is the list of contingency fleet vehicles which is a reasonable and proportional contingency
capacity for an 18-vehicle fleet. Consistent with FTA expectations, the size of the
contingency fleet reflects the operational needs of a small system and the risks
associated with phased BEB deployment.
1 The FTA does not set a specific spare ratio for agencies with fewer than 50 vehicles operated in maximum
fixed-route service (i.e. City of San Luis Obispo); however, the FTA expects the number of spare buses to
be reasonable, considering the number of vehicles and variety of vehicle types and sizes.
2 Contingency vehicles are considered inactive and are not assigned to daily service.
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Table 1 - List of Contingency Fleet Vehicles
Fleet ID Model
Year Make Description
Year
Removed
from Service
Mileage (at
time of
Removal)
Useful
Life
0861 2008 Gillig Heavy-duty,
35-foot 2026 486,243
12 years
or 500,000
miles
1264 2012 Gillig Heavy-duty,
40-foot 2026 432,638
12 years
or 500,000
miles
1365 2013 Gillig Heavy-duty,
40-foot 2026 501,848
12 years
or 500,000
miles
Permitted Uses
Contingency vehicles may be deployed only under the following circumstances:
Zero-Emission Vehicle Constraints
• Range limitations and/or operational constraints of BEBs
• Reduced vehicle availability due to performance issues
Charging Infrastructure Limitations
• Charging equipment failures or reduced capacity
• Utility outages, including Public Safety Power Shutoffs
Maintenance Backfill
• Extended maintenance or repair of BEBs
• Delays in parts or warranty service
Emergency Operations
• Natural disasters, including but not limited to wildfires or evacuations
• Regional emergency response or mutual aid
Temporary Service Needs
• Short-term increases in service demand
Activation and Documentation
Requests to activate contingency fleet vehicles will be made in writing and can be made
either by the City or by the City’s contracted service provider. Final approval for activation
shall be made by the Mobility Services Business Manager or their designee. Written
request is not required in the event of an emergency that requires immediate activation
or for maintenance training purposes. Each activation of a contingency vehicle will be
documented including date and duration of use, reason for activation, fleet identification
number, and service or route assignment.
Maintenance and Storage
Buses in the contingency fleet are subject to a 6,000-mile preventive maintenance (PM)
schedule. Periodic vehicle “start-ups” will occur between normal preventive maintenance
inspections (PMI) so the fleet remains ready for service activation at all times. Prior to
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activating contingency vehicles back into revenue service, the City will perform a safety
inspection. If the vehicle has been inactive for more than sixty (60) days, the City will
perform a full PMI.
The City may revise its vehicle inspection and/or PMI intervals if the City determines the
above intervals are inadequate. The City will maintain and make available (upon request)
all records associated with the contingency fleet.
The contingency fleet will be stored at the City’s Transit Operation and Maintenance
Facility located at 29 Prado Road, San Luis Obispo, CA. This facility has security fencing
surrounding the property, security cameras at strategic locations, and perimeter lighting.
Monitoring and Plan Updates
Annually, staff will review the Contingency Fleet Plan and the activation of contingency
fleet vehicles to determine if this Plan needs to be updated . The following criteria will be
used during the annual review:
• Frequency and duration of contingency fleet usage
• Causes of deployment
• Battery-electric bus reliability and availability
• Changes in Federal and State laws
• Funding availability for future battery electric bus and associated infrastructure
procurements
Through the annual review and update process, the City may begin a phased reduction
of the contingency fleet as the transition to zero-emission technologies progresses.
Vehicles will be considered for disposition when BEB fleet availability and infrastructure
reliability demonstrate sustained operational stability. If the City determines that the
number of vehicles retained in the contingency fleet can be reduced, then disposition of
contingency vehicles will occur in accordance with FTA asset disposition requirements
once no longer needed
Conclusion
This Fleet Contingency Plan provides a limited, controlled, and compliant framework for
retaining legacy diesel vehicles during the City’s transition to a zero-emission fleet. The
Plan ensures alignment with FTA requirements while maintaining the operational flexibility
necessary to deliver reliable transit service to the San Luis Obispo community.
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