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WINTER OPERATIONS ’07-’08

WINTER OPERATIONS ’07-’08. Dalyce Ronnau. SALT . STORAGE CAPACITY 8 Districts, 102 locations Statewide – 92,170 tons Average shed capacity 811 tons Median shed capacity 400 tons. Salt Storage. Heavy Timber Construction 400 Ton typical capacity. Salt Storage.

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WINTER OPERATIONS ’07-’08

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  1. WINTER OPERATIONS’07-’08 Dalyce Ronnau

  2. SALT • STORAGE CAPACITY • 8 Districts, 102 locations • Statewide – 92,170 tons • Average shed capacity 811 tons • Median shed capacity 400 tons

  3. Salt Storage • Heavy Timber Construction • 400 Ton typical capacity

  4. Salt Storage • 3,450 ton capacity with wings for brine maker and loader storage at Strang in S.E. Nebraska. • Several other locations have comparable buildings.

  5. Salt Storage • Concrete/Wood Dome • 13,200 ton capacity – Omaha, Gothenburg

  6. Salt Usage 50,000 tons were used to fight December Storms. Some locations ran out of salt. Managers were getting nervous!

  7. Salt Usage • Total ’07-’08 Contract purchases 115,364 tons • Delivered by truck from Kansas • Additional 1,500 tons by rail from Utah and Kansas. • 825 tons Ice Slicer was ordered to make up for salt shortage. • A new contract specification is being developed to address delivery issues. • Some fabric covered structures planned for this year to increase storage capacity.

  8. Salt Usage • Occasionally, agricultural products are added!

  9. Liquids • Brine • 53 Brine makers Statewide • ??Guesstimated?? Production: 5 million gal. • ??Guesstimated?? StorageCapacity: 4 million gal.

  10. Liquids • Ice Ban • Caliber • Geomelt • Some problems reported • Usage and practices not consistent

  11. FAST • Added Vaisala Friction sensor to control existing manually controlled Spray System on I-80 near Kearney. • Surface temperature and wind speed sensor inputs are included in the algorithm.

  12. Live video of the bridge provides additional verification of conditions and operation.

  13. Screen shot of Spray History

  14. Relationship between ice or snow thickness and grip.

  15. FAST 2008 • Three additional FAST systems are planned for I-80 bridges: • Shelton • Aurora • Giltner • Accident history is used to decide where FAST is justified.

  16. In 2007, NDOR joined the Pooled Fund MDSS

  17. MDSS Highlights • Three Districts participated in the first season. • 34 routes in the system • 120 Users trained • Half-day intro in November • Two-hour hands-on sessions in January • Good receptivity to MDSS by users • Eight Iwapi AVL units in place. • Plan to add more districts, routes, users, and AVL units for next season

  18. MDSS Regional Product Showcase • Omaha, NE • May 28, 2008 • No registration fee! • Demonstrations • Meridian PFS and Colorado DOT • NCAR and City of Denver • DTN/Meteorlogix and Illinois DOT • IWAPI • Intelligent Devices, Inc. • For more information or to register: utahltap@cc.usu.edu

  19. Nebraska - the good life. Thank You!

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