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Fairfax County School Bus Diesel Retrofit Project

Fairfax County School Bus Diesel Retrofit Project. Fairfax County Department of Vehicle Services April 29, 2004. Background. Air quality non-attainment Prior interest in alternative fuels Grant programs for emissions improvements. Program formulation. Overall objective(s)

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Fairfax County School Bus Diesel Retrofit Project

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  1. Fairfax County School Bus Diesel Retrofit Project Fairfax County Department of Vehicle Services April 29, 2004

  2. Background • Air quality non-attainment • Prior interest in alternative fuels • Grant programs for emissions improvements

  3. Program formulation • Overall objective(s) • Components of program • Retrofit alternatives • Programmatic alternatives • Contract solicitation • Contract execution

  4. Project Goals • Reduce school bus contribution to air pollution • First phase of complete diesel fleet retrofit • Concurrent initiatives • 2-year project for school buses • 5-year window for entire diesel fleet

  5. Concept • Replacement of mufflers with diesel oxidation catalysts • Reprogram of ECMs on T444E engines • Limited number of early demonstrations

  6. Candidate technologies • EPA Voluntary Diesel Retrofit Program “Verified Technologies” • Diesel Oxidation Catalyst (DOC) • Diesel Particulate Filter (DPF) • Fuel treatments • Alternative fuels • Other technologies accepted by EPA

  7. Project structure Contracted retrofit (parts and labor) for all buses with 3 years or more remaining life • Reprogramming of predominant electronic engine ECM (T444E) • DOC treatment of choice • Documentation of processes

  8. Procedures • Two “tasks,” multiple awards possible • Offered County work space, or vendor could use own • Vendor responsible for bus transport • Vendor certifies compatibility and performance • Scheduling of buses

  9. Other provisions • Provided list of bus configurations • CDL required for bus movers • Evidence of ability to complete work • Additional work procedures • Minimum number of buses • Must bid on all buses in Task • Vendor removes scrap • County QC audits • Documentation of processes • Minimum warranty of one year

  10. Bid evaluation • Cost per bus • Reductions beyond benchmarks (Task B only) • Compliance with specification • EPA-accepted • No special fuel or additive • No additional maintenance • Meets minimum emissions reductions

  11. Schedule • Pre-bid conference Feb. 5 • Awards were made April 2 • Begin work within 8 weeks ARO • 2-year completion goal

  12. Current Status • Initial funding approved ($2M) • Grant funding (DVP SEP) expected ($1M+) • Early demonstrations slow starting • Work to begin mid-May to early June • Vendors projecting 6 and 10 per day

  13. Further information • Contract Administrator: John Provost, CPPB John.Provost@fairfaxcounty.gov 703-324-2328 • Technical representative: Dave DuVal Dave.Duval@fairfaxcounty.gov 703-324-3554

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