1. CDOT’s Winter Maintenance Strategy

2. CDOT deicer program Colorado CDOT History of our program Our evolution Situation today

3. Colorado Between 37 th and 41 st parallels 104,247 square miles 40% high plains - 60% mountains Average Elevation 6,800’ low point 3,350’ 54 peaks > 14,000’ Low humidity Thin atmosphere Huge influence from solar radiation Vast temperature swings Snow falls range from 300” annually

4. Colorado 23,000 lane miles 24 hour coverage 14 hour coverage 900 plow units 3000 CDOT employees 1500 plow drivers 12 hour shifts No contracted snow removal Some cities plow minor routes in their city

5. CDOT’s Winter Maintenance Strategy

6. Evolution Salt / Sand program PM 10 issues Sedimentation in mountain streams Governor

7. History

10. Situation Today FY 14 Budget vs FY 14 Spend Material usage Technology LOS

11. Winter ‘13 – ‘14 FY 14 Budget - $60,402,000 FY 14 Spend - $72,215,000

12. Material usage SectionDescriptionQuantityUOMTotal Cost StatewideCalcium Chloride, 50#41.00BAG$415.54 StatewideCalcium Chloride, 50#367.55BAG$6,116.63 StatewideSALT, ROAD 50#6,519.00BAG$25,490.39 StatewideAbrasive Non-Sanding7,749.11TON$64,066.83 StatewideAbrasive Non-Mixed for Sanding2,808.50TON$44,667.83 StatewideSALT-SAND MIX18,306.94TON$550,970.86 StatewideLiquid Deicer254,308.10GLL$165,553.71 StatewideICE SLICER RS40,345.34TON$3,974,021.61 StatewideLIQUID DEICER SPECIAL (Liquid+Salt-Sand)5,144.50TON$98,044.40 StatewideCaliber 100014,400.00GLL$11,784.00 StatewideAPEX, LIQUID DEICER8,822,724.70GLL$7,323,932.29 StatewideSAND SLICER163,606.12TON$4,555,557.25 StatewideICE SLICER SB8.00TON$861.46 StatewideRAPID THAW23.25TON$2,495.21 StatewideCALIBER M-200015,726.00GLL$15,557.06 StatewideICE BAN 3052,654,557.00GLL$2,075,344.02 StatewideLIQUID DEICER SPECIAL (PRE-MIX)3,774.03TON$63,006.97 StatewideSalt Brine, Gallon600,264.60GLL$326,849.50 StatewideSolar Qwicksalt1,167.25TON$100,058.24 StatewideIce-Melt, Snow, Ice, Sidewalk, 50#, -25F195.00BAG$3,892.00 StatewideSOS-TM, LIQUID DEICER, MAG CLORIDE 26%24,156.00GLL$29,112.58 $19,437,798.38

13. Technology

14. Level of Service (LOS)

15. Level of Service (LOS)

19. Re-cap

20. David C. Wieder, P.E. Staff Maintenance Manager Colorado Department of Transportation 15285 South Golden Road, Building #45 Golden, CO 80403 Office (303) 512-5502 Mobile (303) 548-5853 Questions / Contact Information