# Presentation: 321579

## Maintenance Decision Support System

- Kevin McLain

## Road Condition Modules

- Surface
- Friction

- Chemical
- Concentration
- On Road

- Road Surface Temperature

- Snow Depth
- And Drift

## DICAST

- Weather &
- Environment

- CRREL
- _MODULES_
- Calculate Road
- Condition

- DOT
- _INTERFACE_
- Collect
- Maintenance
- (actual)

- _GUI_
- Display
- Forecasts

- DECISION
- _SUPPORT_
- Determine
- Maintenance
- (recommended)

**Spatial &**
**Temporal**

## Road Temperature & Precipitation Type

**Road Temperature & Precipitation Type**

**Friction Coefficient & Precipitation Type**

## Slide 5

## Time Series

**Time Series**

**Friction Coefficient & Precipitation Type**

## Two-Day Friction Coefficient Prediction

**Two-Day Friction Coefficient Prediction**
***Without Treatment***
**Prediction Point #3**

**Friction Coefficient**

**3**

**6**

**9**

**12**

**15**

**18**

**21**

**24**

**27**

**30**

**33**

**36**

**39**

**42**

**45**

**48**

**             ****Time (hrs)**

**0**

**0**

**0.1**

**0.2**

**0.3**

**0.4**

**0.5**

**0.6**

**0.7**

**0.8**

**0.9**

**1**

## What ? 

- What ?

- When ?

- How ?

## Slide 9

##   Road Friction

**RECOMMENDED TREATMENT**
- No Treatment Needed
**Play Movie to look ahead !**

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

- Time Window

- Movie

- 3:15 am

**  ****Road Friction**

**Good**

- Current Time
- 10:15 am
- Monday

-   Water Ice  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

- Roads   Overlays   Treatments   TimeLine    Resources

- Road Friction Graph
- Game Plan
- Prediction Background 1  2  3  4
- Crew
- Trucks
- Material Stocks

## Fair

**Round Road**

**RECOMMENDED TREATMENT**
- Treatment will be needed soon
**Play Movie to look ahead !**

**Fair**

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

- Time Window

- Movie

- 3:15 am

- 1:00 pm

- Road Friction Graph
- Game Plan
- Prediction Background 1  2  3  4
- Crew
- Trucks
- Material Stocks

**  ****Road Friction**

- Current Time
- 10:15 am
- Monday

-   Water Ice  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

- 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

- Roads   Overlays   Treatments   TimeLine    Resources

## Poor !

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

**RECOMMENDED TREATMENT**
- First Warning For Treatment** **
**CLICK ON A FLASHING DOT**
**FOR MAINTENANCE **
**DETAILS !**

- Time Window

- Movie

- 3:15 am

- 10:00 pm

- 3:30 am

- 3:30 am

- 3:30 am

- 3:15 am

**Poor**** !**

- 4:00 am

- Roads   Overlays   Treatments   TimeLine    Resources

- 3:30 am

- 4:00 am

- 3:15 am

**  ****Road Friction**

- Current Time
- 10:15 am
- Monday

-   Water Ice  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

- 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
- Game Plan
- Prediction Background 1  2  3  4
- Crew
- Trucks
- Material Stocks

## Poor !

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

- 10:00 pm

- Time Window

**RECOMMENDED TREATMENT        ****Initial**
- Treatment Time:**  ****3:15 am Tuesday**** **
- Material:  **Abrasive**
- Application (per two-lane mile):  **1200 lbs**
- Pre-wet:  **   **

**PREDICTION**
**Ice Forming at 3:30 am Tuesday**

- Movie

- 3:30 am

- 3:15 am

**Poor**** !**

- 3:30 am

- 3:30 am

- 3:30 am

- 3:15 am

- 4:00 am

- 3:30 am

- 4:00 am

- MM 245

- 3:15 am

**  ****Road Friction**

- Current Time
- 10:15 am
- Monday

- 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

-   Water Ice  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

- Road Friction Graph
- Game Plan
- Prediction Background 1  2  3  4
- Crew
- Trucks
- Material Stocks

## Slide 14

## Road Friction Graph

**RECOMMENDED TREATMENT        ****Initial**
- Treatment Time:**  ****3:15 am Tuesday**** **
- Material:  **Abrasives**
- Application (per two-lane mile):  **1200 lbs**
- Pre-wet:  **  **

**Good**
**Fair**
**Poor**

- LOS 1

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
-                                10:15 am                                        Ice Forming              Snow 1”  accum.

- 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

- 10:00 pm

- Time Window

- Movie

- 3:30 am

- 1:30 pm

- Current Time

**PREDICTION**
**Ice Forming at 3:30 am Tuesday**

- 3:15 am

- No Treatment

- With Treatment

- Water  Ice  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

**Road Friction Graph**

- Current Time
- 10:15 am
- Monday

- Roads   Overlays   Treatments   TimeLine    Resources

## Road Friction Graph

**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**

**Good**
**Fair**
**Poor**

- LOS 1

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
-                                10:15 am                                        Ice Forming               Snow 1”  accum.

- 9:45 am

- Time Window

- Movie

- 3:30 am

- 1:30 pm

- Current Time

**PREDICTION**
**1” Snow accum. by 1:30 pm Tuesday**

- 1:15 pm

- 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

- No Treatment

- With Treatment

- Water  Ice  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

**Road Friction Graph**

- Roads   Overlays   Treatments   TimeLine    Resources

- Current Time
- 10:15 am
- Monday

## Mile Marker 245

**Good**
**Fair**
**Poor**

- LOS 1

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
-                                10:15 am                                         Ice Forming              Snow 1”  accum.

- 9:45 am

- Time Window

- Movie

- 3:30 am

- 1:30 pm

- Current Time

**PREDICTION**
**1” Snow accum. by 1:30 pm Tuesday**

- Mile Marker 231
- Mile Marker 255
- Bridge 8
- Mile Marker 38
- Mile Marker 55
- Bridge 1
- Mile Marker 9
- Mile Marker 21
- Bridge 1
- Mile Marker 14

**DELAYED TREATMENT !**

- 2:30 pm

- No Treatment

- Delayed Treatment

- Current Time
- 10:15 am
- Monday

**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**

- 1.25 hr delay causes higher treatment rate.
- You may run out of sodium chloride – check Material Stocks.

- Water  Ice  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

**Road Friction Graph**

- Roads   Overlays   Treatments   TimeLine    Resources

- Current Time
- 10:15 am
- Monday

## Game Plan 

- 3:30 am

- 3:30 am

- 3:30 am

- 3:30 am

- 3:15 am

- 3:15 am

- B

- C

- A

- 4:00 am

- 4:00 am

- 

- Crew
- Trucks
- Material Stocks
- Truck Routes
-        Standard
-        Custom
- Road Status
- Logistics Matrix

- 

- 

- Roads   Overlays   Treatments   TimeLine    Resources

**Game Plan **

## Game Plan – Initial 

-                                                                                                                            Treat. Start Time
-  Call @    Route   Segment      Driver        Truck ID        Dress & Load           Treat. Rate/TLM

- 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:		                             Ford           NaCl; Seg. 6               400 lbs

**BASED ON RECOMMENDED TREATMENTS**

-        Material Stocks
- Type                       On-Hand

- 11 tons to be used
- initial treatment

- 5 tons to be used
- initial treatment

- 30 gallons to be used
- initial treatment

- 10 tons
- 40 tons
- 250 gallons
- 120 tons

- Engine blown

-           NaCl
-           CaCl
- CaCl liquid
-    Abrasives

- Roads   Overlays   Treatments   TimeLine    Resources

**Game Plan – Initial **

- 

- Crew -AutoCall
- Trucks
- Material Stocks
- Truck Routes
-        Standard
-        Custom
- Road Status
- Logistics Matrix
-        Initial
-        Subsequent

- 

- 

- 

- 

- 

- 

## Prediction Background 1

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

- Fog – 70%

- Fog – 30%

- 10:00 pm

-  None          Freezing Rain              Rain                        Sleet                                       Snow                      None

-    0                        0.10                        0.25                              0.25                                                 4.0                                0
-    0                        0.10                        0.25                              0.06                                                 1.0                                0

- Time Window

- Movie

- Type

- Precipitation
- Probability (%)

- _New Depth (in.)_
- snow/sleet/rain
- liquid equiv.

- snowdrifts

- LOS 1

- 3:30 am

- 1:30 pm

- Salt Brine Concentration (% by weight)

- 50
- 40
- 30
- 20
- 10
- 0

**Good**
**Fair**
**Poor**

- Road
- Friction

- No Treatment

- With Treatment

**Prediction Background ****1**

- Ta

- Tr

- Td

- Temperature (F)

- Roads   Overlays   Treatments   TimeLine    Resources

-   0                           100                          90                                 75                                                  50                               50

- 40
- 38
- 36
- 34
**32**
- 30
- 28
- 26
- 24
- 22
- 20
- 18
- 16

## Prediction Background 2

- Ta

- Tr

- Td

- Temperature (F)

- 40
- 38
- 36
- 34
**32**
- 30
- 28
- 26
- 24
- 22
- 20
- 18
- 16

- 20

- 5

- 5

- 10

- 10

- 5

- 10

- 10

- 15

- 5

- 15

- 30
- 20
- 10
- 0

- Wind
- Direction and Speed (mph)

- snowdrifts

- snowdrifts

- Cloud
- Cover
- (%)

- 100
- 50
- 0

- 2.25
- 2
- 1.75
- 1.50
- 1.25
- 1
- .75
- .50
- .25
- 0

- Depth On Road (in.)
- of
- Snow, Ice, Water

**Prediction Background ****2**

- Roads   Overlays   Treatments   TimeLine    Resources

- 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   4   6   8   10    noon   2   4   6   8   10   mid  2
**Monday****   ****                                            Tuesday****	****                             Wednesday                                           Thu**
**                      **10:15 am
-                       Monday
-                           Current Time

- 10:00 pm

- Time Window

- Movie

## Conditions at Interstate 15, Mile Marker 245CurrentTime 11:53 PM Feb 07, 2001Temperature 35.1 F (1.7 C) Dew Point 28.0 F (-2.2 C) Relative Humidity 75% Pressure (altimeter) 29.72 in. Hg (1006 hPa) Pressure tendency 0.02 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 PMAccumulation  A trace Precipitation History 	A trace             Last hour	A trace             In the 6 hours preceding Feb 06, 2001 - 12:53 PM	0.01 inches      In the 24 hours preceding Feb 05, 2001 - 06:53 AMWind from the NW (310 degrees) at 5 MPH (5 KT) Visibility 10 mile(s) Sky conditions partly cloudy 24 Hour Summary 1PM (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

**Conditions at**** ****Interstate 15, Mile Marker 245**Current**Time**** **11:53 PM Feb 07, 2001**Temperature**** **35.1 F (1.7 C) **Dew Point**** **28.0 F (-2.2 C) **Relative Humidity**** **75% **Pressure (altimeter)**** **29.72 in. Hg (1006 hPa) **Pressure tendency**** **0.02 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 PM**Accumulation****  **A trace** ****Precipitation History**** ****	**A trace             Last hour	A trace             In the **6 hours** preceding Feb 06, 2001 - 12:53 PM	0.01 inches      In the **24 hours** preceding Feb 05, 2001 - 06:53 AM**Wind**** **from the NW (310 degrees) at 5 MPH (5 KT) **Visibility**** **10 mile(s) **Sky conditions**** **partly cloudy 24 Hour Summary **1P**M (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

**Conditions Summary and Forecast - Text**

- Forecast**Time**** **12:53 PM Feb 05, 2001**Temperature**** **34.7 F (1.5 C) **Dew Point**** **28.0 F (-2.2 C) **Relative Humidity**** **75%

- Roads   Overlays   Treatments   TimeLine    Resources

## Slide 23