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Maintenance Decision Support System

Maintenance Decision Support System. Kevin McLain. DICAST Weather Data. Decision Support. Decision Support. Road Condition Modules. Road Surface Temperature. Chemical Concentration On Road. Surface Friction. Snow Depth And Drift. DICAST Weather & Environment. DECISION SUPPORT

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Maintenance Decision Support System

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  1. Maintenance Decision Support System Kevin McLain

  2. DICAST Weather Data Decision Support Decision Support Road Condition Modules Road Surface Temperature Chemical Concentration On Road Surface Friction Snow Depth And Drift

  3. DICAST Weather & Environment DECISION SUPPORT Determine Maintenance (recommended) CRREL MODULES Calculate Road Condition Spatial & Temporal DOT INTERFACE Collect Maintenance (actual) GUI Display Forecasts

  4. Road Temperature & Precipitation Type Friction Coefficient & Precipitation Type

  5. Two-Day Precipitation Rate Prediction Prediction Point #3 0.40 0.35 0.30 0.25 0.20 Precipitation Rate (SWE) (in/hr) 0.15 0.10 0.05 Rain Mixed Snow 0.00 0 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 Midnight Tuesday Midnight Wednesday Midnight Thursday Time (hrs)

  6. Time Series Friction Coefficient & Precipitation Type

  7. Friction Coefficient with No Maintenance Efforts Midnight Tuesday Midnight Wednesday Midnight Thursday Two-Day Friction Coefficient Prediction Without Treatment Prediction Point #3 1 0.9 0.8 0.7 0.6 0.5 Friction Coefficient 0.4 0.3 0.2 0.1 0 0 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 Time (hrs)

  8. How ? What ? When ?

  9. 15 15 Round Road 17 17 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Road Friction Good Current Time 10:15 am Monday WaterIce Snow Map Overlays Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes RECOMMENDED TREATMENT No Treatment Needed Play Movie to look ahead ! Road Friction Graph Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks Movie 3:15 am mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  10. 15 15 17 17 Round Road 17 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Road Friction Round Road Fair Current Time 10:15 am Monday WaterIce Snow Map Overlays Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes RECOMMENDED TREATMENT Treatment will be needed soon Play Movie to look ahead ! Road Friction Graph Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks 1:00 pm Movie 3:15 am mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  11. 15 15 Round Road 17 17 Round Road 17 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Road Friction Poor ! Current Time 10:15 am Monday WaterIce Snow Map Overlays 3:30 am Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes RECOMMENDED TREATMENT First Warning For Treatment CLICK ON A FLASHING DOT FOR MAINTENANCE DETAILS ! 3:30 am 3:30 am 3:15 am Road Friction Graph Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks 4:00 am 3:15 am 4:00 am 3:30 am 10:00 pm Movie 3:15 am mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  12. 15 15 Round Road 17 17 Round Road 17 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Road Friction Poor ! Current Time 10:15 am Monday WaterIce Snow Map Overlays 3:30 am Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes PREDICTION Ice Forming at 3:30 am Tuesday 3:30 am RECOMMENDED TREATMENT Initial Treatment Time:3:15 am Tuesday Material:Abrasive Application (per two-lane mile):1200 lbs Pre-wet: 3:30 am 3:15 am MM 245 Road Friction Graph Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks 4:00 am 3:15 am 4:00 am 3:30 am 10:00 pm Movie 3:15 am 3:30 am mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  13. Two-Day Decision Support Prediction Recommended Treatments Prediction Point #3 0.40 0.35 Ideal Time For 0.30 Chemical Application 0.25 Ideal Time For Plowing Effort 0.20 Precipitation Rate (SWE) (in/hr) 0.15 0.10 0.05 Rain Mixed Snow 0.00 0 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 Midnight Tuesday Midnight Wednesday Midnight Thursday Time (hrs)

  14. Mile Marker 245 Mile Marker 245 15 15 Road Friction Map Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks Round Road 17 17 17 Round Road 15 15 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Road Friction Graph Current Time 10:15 am Monday PREDICTION Ice Forming at 3:30 am Tuesday RECOMMENDED TREATMENT Initial Treatment Time:3:15 am Tuesday Material:Abrasives Application (per two-lane mile):1200 lbs Pre-wet: WaterIce Snow Map Overlays Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes 3:15 am Movie 10:00 pm mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Ice Forming Snow 1” accum. Time Window Good Fair Poor 3:30 am 1:30 pm With Treatment Current Time LOS 1 No Treatment

  15. Mile Marker 245 Mile Marker 245 15 15 Road Friction Map Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks Round Road 17 17 17 Round Road 15 15 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Road Friction Graph Current Time 10:15 am Monday PREDICTION 1” Snow accum. by 1:30 pm Tuesday RECOMMENDED TREATMENT Subsequent Treatment Time:1:15 pm Tuesday Material:Sodium Chloride Application (per two-lane mile):400 lbs Pre-wet:Calcium Chloride, 8 gals./ton WaterIce Snow Map Overlays Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes 1:15 pm 9:45 am Movie mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Ice Forming Snow 1” accum. Time Window Good Fair Poor 3:30 am 1:30 pm With Treatment Current Time LOS 1 No Treatment

  16. Mile Marker 245 15 15 Road Friction Map Game Plan Prediction Background 1 2 3 4 Crew Trucks Material Stocks Round Road 17 17 17 Round Road 15 15 15 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Mile Marker 231 Mile Marker 245 Mile Marker 255 Bridge 8 Mile Marker 38 Mile Marker 55 Bridge 1 Mile Marker 9 Mile Marker 21 Bridge 1 Mile Marker 14 Mile Marker 245 Road Friction Graph DELAYED TREATMENT ! Current Time 10:15 am Monday Current Time 10:15 am Monday PREDICTION 1” Snow accum. by 1:30 pm Tuesday DELAYED TREATMENT BY 1.25 HRS !Subsequent Delayed Treatment Time: 2:30 pm Tuesday Material:Sodium Chloride Application (per two-lane mile):800 lbs Pre-wet:Calcium Chloride, 8 gals./ton WaterIce Snow Map Overlays Current Depth, in. New Depth, in. Rate, in./hr Water Equivalent, in. Drift Depth, in. Road Temperature, F Salt Conc., % Fog Cloud Cover High Wind, mph Truck Routes 1.25 hr delay causes higher treatment rate. You may run out of sodium chloride – check Material Stocks. 2:30 pm 9:45 am Movie mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Ice Forming Snow 1” accum. Time Window Good Fair Poor 3:30 am 1:30 pm Delayed Treatment Current Time LOS 1 No Treatment

  17. 15 15 Round Road 17 17 INTERSTATE INTERSTATE Roads Overlays Treatments TimeLine Resources Game Plan Crew Trucks Material Stocks Truck Routes Standard Custom Road Status Logistics Matrix R 3:30 am R C 3:30 am R A B 3:30 am 3:15 am 4:00 am 3:15 am 4:00 am 3:30 am

  18. 17 17 Round Road 15 15 Roads Overlays Treatments TimeLine Resources RECOMMENDED TREATMENT Game Plan – Initial BASED ON RECOMMENDED TREATMENTS Treat. Start Time Call @ Route Segment Driver Truck ID Dress & Load Treat. Rate/TLM R Crew -AutoCall Trucks Material Stocks Truck Routes Standard Custom Road Status Logistics Matrix Initial Subsequent 9:00 pm Monday midnight Mon/Tue 3 :15 am Tuesday A 2,3,4 Sam Salter Mack X NaCl, pw-8g. CaCl 400 lbs Notes:Drive reverse route 9:00 pm Monday 1:00 am Tuesday 3:15 am Tuesday C 8,9,10 Polly Plowgirl Mack Z Sand (ballast) Plow only 9:00 pm Monday 1:30 am Tuesday 3:30 am Tuesday B 6,7 Gary Grippy Mack Y Sand; Seg. 7 1200 lbs Notes:FordNaCl; Seg. 6 400 lbs R R R R R R Engine blown Material Stocks Type On-Hand NaCl CaCl CaCl liquid Abrasives 10 tons 40 tons 250 gallons 120 tons 5 tons to be used initial treatment 30 gallons to be used initial treatment 11 tons to be used initial treatment

  19. Mile Marker 245 INTERSTATE 15 12” 5” 5” 5” 8” 8” Roads Overlays Treatments TimeLine Resources Prediction Background 1 40 38 36 34 32 30 28 26 24 22 20 18 16 Temperature (F) Ta Tr Td Good Fair Poor 3:30 am 1:30 pm With Treatment Road Friction LOS 1 No Treatment Precipitation Probability (%) 0 100 90 75 50 50 Fog – 70% Fog – 30% None Freezing Rain Rain Sleet Snow None Type New Depth (in.) snow/sleet/rain liquid equiv. snowdrifts 0 0.10 0.25 0.25 4.0 0 0 0.10 0.25 0.06 1.0 0 Salt Brine Concentration (% by weight) 50 40 30 20 10 0 Movie 10:00 pm mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  20. Mile Marker 245 INTERSTATE 15 Roads Overlays Treatments TimeLine Resources Prediction Background 2 40 38 36 34 32 30 28 26 24 22 20 18 16 Temperature (F) Ta Tr Td Depth On Road (in.) of Snow, Ice,Water 2.25 2 1.75 1.50 1.25 1 .75 .50 .25 0 30 20 10 0 Wind Direction and Speed (mph) 20 15 15 10 10 10 10 5 5 5 5 snowdrifts snowdrifts 100 50 0 Cloud Cover (%) Movie 10:00 pm mid 2 4 6 810noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 4 6 8 10 noon 2 4 6 8 10 mid 2 Monday Tuesday Wednesday Thu 10:15 am Monday Current Time Time Window

  21. Conditions atInterstate 15, Mile Marker 245CurrentTime11:53 PM Feb 07, 2001Temperature35.1 F (1.7 C) Dew Point28.0 F (-2.2 C) Relative Humidity75% Pressure (altimeter)29.72 in. Hg (1006 hPa) Pressure tendency0.02 inches (0.6 hPa) higher than three hours ago Maximum and Minimum Temperatures F (C)28.0 (-2.2) / 21.0 (-6.1) In the 6 hours preceding Feb 06, 2001 - 12:53 PM 28.0 (-2.2) / 21.0 (-6.1) In the 24 hours preceding Feb 05, 2001 - 11:53 PMAccumulationA tracePrecipitation HistoryA trace Last hour A trace In the 6 hours preceding Feb 06, 2001 - 12:53 PM0.01 inches In the 24 hours preceding Feb 05, 2001 - 06:53 AMWindfrom the NW (310 degrees) at 5 MPH (5 KT) Visibility10 mile(s)Sky conditionspartly cloudy 24 Hour Summary1PM (18) Feb 0635.1 (1.7)28.0 (-2.2)29.72 (1006)NW 5Noon (17) Feb 0634.0 (1.1)30.0 (-1.1)29.72 (1006)W 9light snow; mist11 AM (16) Feb 0634.0 (1.1)28.0 (-2.2)29.72 (1006)WSW 810 AM (15) Feb 0633.1 (0.6)28.0 (-2.2)29.71 (1006)WSW 69 AM (14) Feb 0630 (-1)28 (-2)29.7 (1005)Calm8 AM (13) Feb 0630 (-1)26 (-3)29.7 (1005)Calm7 AM (12) No Data6 AM (11) Feb 0628.9 (-1.7)24.1 (-4.4)29.63 (1003)Variable 45 AM (10) Feb 0630 (-1)24 (-4)29.6 (1002)N 6light snow; mist4 AM (9) Feb 0630 (-1)26 (-3)29.59 (1002)NNW 5light snow; mist3 AM (8) Feb 0630 (-1)26 (-3)29.55 (1000)NW 9light snow; mist2 AM (7) Feb 0630 (-1)28 (-2)29.53 (1000)NNW 10light snow; mist1 AM (6) Feb 0628 (-2)28 (-2)29.51 (999)Variable 5snow; freezing fog Midnight (5) Feb 0627.0 (-2.8)27.0 (-2.8)29.53 (1000)NNW 6snow; freezing fog11 PM (4) Feb 0527.0 (-2.8)27.0 (-2.8)29.57 (1001)NNW 6snow; freezing Roads Overlays Treatments TimeLine Resources Conditions Summary and Forecast - Text ForecastTime12:53 PM Feb 05, 2001Temperature34.7 F (1.5 C) Dew Point28.0 F (-2.2 C) Relative Humidity75%

  22. What A Plan !

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