Evaluation_Quantity_Scenarios.pdf
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- Attached to
- Student Transportation Services
- Solicitation number
- 2026-08-651
- Issued by
- Collin County, Texas
About this file
This is an Evaluation Quantity Scenarios document for Request for Proposal #2026-08-651 issued by McKinney Independent School District (MISD) in Texas for comprehensive student transportation services. The document establishes baseline service volumes across two evaluation scenarios to enable proposers to submit comparable cost proposals. Scenario A represents an Initial Hybrid Fleet model with mixed District-owned and Contractor-owned vehicles, while Scenario B represents a District-Owned Fleet model with all vehicles owned by MISD. The evaluation quantities include Regular Education services (12,040 District-owned vehicle days and 6,192 Contractor-owned vehicle days in Scenario A; 18,232 District-owned vehicle days in Scenario B), Specialized transportation services (7,396 District-owned and 2,580 Contractor-owned vehicle days in Scenario A; 9,976 District-owned vehicle days in Scenario B), Excess Platform Hours for both Regular Education (8,500 hours) and Specialized services (8,300 hours), Bus Monitor/Aide Hours (60,000 hours), and Midday/Shuttle services (2,900 District-owned and 1,000 Contractor-owned hours in Scenario A; 3,900 District-owned hours in Scenario B).
The quantities provided are estimates for evaluation purposes only and do not constitute guaranteed contract volumes or commitments by MISD to purchase any specific service level. Actual contract payments will be based solely on authorized services actually provided at applicable contract unit rates as established in the cost proposal. The evaluation framework assumes 106 Regular Education vehicles and 58 Specialized vehicles operating over 172 school days, with the contractor ownership percentages varying between scenarios to allow MISD to compare the financial implications of different fleet ownership models. This dual-scenario approach enables the District to evaluate total cost of ownership and operational efficiency under both hybrid and fully District-owned configurations.
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Request For Proposal #2026-08-651 Title: Student Transportation Services
Evaluation Quantities. The quantities below are estimates provided to give Proposers an approximate indication of the service volume represented by each evaluation scenario and to establish a common, apples-to-apples baseline for comparing Cost Proposals. The quantities are provided solely for evaluation purposes and do not constitute guaranteed Contract quantities or commitments by MISD to purchase any particular volume of service. Actual Contract payments will be based on authorized services actually provided at the applicable Contract unit rates.
Scenario A – Initial Hybrid
Fleet
Scenario B – District-
Owned Fleet Basis / Assumption
Regular Ed – District- Owned Vehicle/Days 12,040 18,232
Assumes 106 Regular Ed vehicles operating 172 school days, with 70 District-owned in Scenario A and all 106 District-owned in Scenario B.
Regular Ed – Contractor-Owned Vehicle/Days
6,192 0 Assumes 36 of the 106 Regular Ed vehicles are Contractor-owned in Scenario A and none are Contractor-owned in Scenario B.
Regular Ed – Excess Platform Hours 8,500 8,500
Estimated from the existing tier structure and assumed unchanged between scenarios because service demand and routing assumptions are the same.
Specialized – District- Owned Vehicle/Days 7,396 9,976
Assumes 58 Specialized vehicles operating 172 school days, with 43 District-owned in Scenario A and all 58 District-owned in Scenario B.
Specialized – Contractor-Owned Vehicle/Days
2,580 0 Assumes 15 of the 58 Specialized vehicles are Contractor-owned in Scenario A and none are Contractor-owned in Scenario B.
Specialized – Excess Platform Hours 8,300 8,300
Estimated from current Specialized route characteristics and assumed unchanged because the two scenarios use the same service demand.
Bus Monitor/Aide Hours 60,000 60,000
Based on current monitor staffing and projected Specialized service volume, with no change attributable solely to vehicle ownership.
Midday/Shuttle – District Vehicle Hours 2,900 3,900
Assumes approximately 3,900 annual Midday/Shuttle hours, with about 2,900 District-owned in Scenario A and all hours District-owned in Scenario B.
Request For Proposal #2026-08-651 Title: Student Transportation Services
Midday/Shuttle – Contractor Vehicle Hours
1,000 0 Assumes approximately 1,000 of the 3,900 Midday/Shuttle hours use Contractor vehicles in Scenario A and none in Scenario B.
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