mn/dot winter performance measures performance measures maintenance quality assurance peer exchange...

Mn/DOT Winter Performance MeasuresMaintenance Quality Assurance Peer ExchangeOctober 12, 2004

Business View of theMaintenance Function

Bare Lane Indicator

Time of the event

100 %Bare

0 %Bare

Regain Time

PAVEMENTCONDITIONOVER TIME

PAVEMENT CONDITION

TIME IN HOURS

Event Start

Loss of Bare Lane

Bare Lane Regained

Event End

BareBetweenWheelPaths

Bare Pavement

Sheet:

1st Qtr

2nd Qtr

3rd Qtr

4th Qtr

East

West

North

BARE LANE INDICATOR GUIDELINES

Event DefinitionA winter weather occurrence that consumes resources necessary to prevent, minimize or regain the loss of bare lanes.Night and dawn patrol S&I operations will not trigger an event until additional crews are called in.Event can be a result of one or more of the following conditions: rain, sleet, snow, drifting snow, frost or ice.

Bare Lane Definition

All driving lanes are free of snow and ice between the outer edges of the wheel paths and have less than 1 inch of accumulation on center of the roadway. This is the condition at which most drivers feel safe and comfortable when driving at posted speeds.

Note: Cannot have snow or ice between wheel tracks.

Bare Lane Between Wheel Paths* All driving lanes must be in this condition * The entire route must be in this condition No greater than 1 inchAccumulation on center-line

Data

Snow & Ice

Weighted average labor, equipment & material costs per lane mile by service level per event

October 15, 2003 through February 29, 2004

UCCost/LnMi/Avg RegainRCCost/LnMi/Avg RegainPCost/LnMi/Avg Regain

DistrictEventTimeDistrictEventTimeDistrictEventTimeUCRCPSSCAll

D1 -40.495.00D1 -28.488.70D1 -21.9012.20D1 - $40.49D1 - $28.48D1 - $21.90D1 - $16.75D1 - $116.94D1 - $30.14

D2 -48.343.00D2 -26.345.30D2 -26.377.00D2 - $48.34D2 - $26.34D2 - $26.37D2 - $28.51D2 - $0.00D2 - $27.59

D3A -31.939.80D3A -30.8510.30D3A -27.2412.00D3A - $31.93D3A - $30.85D3A - $27.24D3A - $26.10D3A - $0.00D3A - $29.13

D3B -47.222.80D3B -38.483.90D3B -19.457.80D3B - $47.22D3B - $38.48D3B - $19.45D3B - $27.12D3B - $59.71D3B - $42.75

D4 -32.734.60D4 -24.356.60D4 -21.7510.00D4 - $32.73D4 - $24.35D4 - $21.75D4 - $20.87D4 - $0.00D4 - $24.94

DM -74.492.30DM -34.542.10DM -0.00DM - $74.49DM - $34.54DM - $0.00DM - $0.00DM - $89.12DM - $80.35

D6E -44.486.00D6E -35.816.80D6E -30.678.70D6E - $44.48D6E - $35.81D6E - $30.67D6E - $29.55D6E - $45.47D6E - $35.98

D6W -51.857.50D6W -42.928.40D6W -28.7611.00D6W - $51.85D6W - $42.92D6W - $28.76D6W - $0.00D6W - $47.97D6W - $44.30

D7E -76.936.20D7E -53.818.40D7E -48.4510.10D7E - $76.93D7E - $53.81D7E - $48.45D7E - $40.40D7E - $0.00D7E - $56.48

D7W -49.022.50D7W -56.394.40D7W -40.234.60D7W - $49.02D7W - $56.39D7W - $40.23D7W - $55.06D7W - $0.00D7W - $51.32

D8 -97.504.60D8 -37.416.70D8 -31.257.80D8 - $97.50D8 - $37.41D8 - $31.25D8 - $26.77D8 - $0.00D8 - $34.37

State -50.265.00State -35.967.00State -26.679.20State - $50.26State - $35.96State - $26.67State - $25.45State - $112.93State - $42.05

SCost/LnMi/Avg RegainSCCost/LnMi/Avg RegainAllCost/LnMi/Avg Regain

DistrictEventTimeDistrictEventTimeDistrictEventTime

D1 -16.7528.70D1 -116.942.30D1 -30.1411.80

D2 -28.519.00D2 -0.00D2 -27.596.30

D3A -26.1017.30D3A -0.00D3A -29.1311.00

D3B -27.1210.60D3B -59.712.20D3B -42.753.70

D4 -20.8714.80D4 -0.00D4 -24.948.30

DM -0.00DM -89.122.00DM -80.352.10

D6E -29.559.20D6E -45.472.90D6E -35.987.00

D6W -0.00D6W -47.974.00D6W -44.308.20

D7E -40.4016.70D7E -0.00D7E -56.488.60

D7W -55.065.50D7W -0.00D7W -51.324.10

D8 -26.778.50D8 -0.00D8 -34.377.30

State -25.4518.10State -112.932.20State -42.057.80

D1 - $40.49

D2 - $48.34

D3A - $31.93

D3B - $47.22

D4 - $32.73

DM - $74.49

D6E - $44.48

D6W - $51.85

D7E - $76.93

State - $50.26

D8 - $97.50

D7W - $49.02

D1 - $28.48

D2 - $26.34

D3A - $30.85

D3B - $38.48

D4 - $24.35

DM - $34.54

D6E - $35.81

D6W - $42.92

D7E - $53.81

State - $35.96

D8 - $37.41

D7W - $56.39

D1 - $21.90

D2 - $26.37

D3A - $27.24

D3B - $19.45

D4 - $21.75

DM - $0.00

D6E - $30.67

D6W - $28.76

D7E - $48.45

State - $26.67

D8 - $31.25

D7W - $40.23

D1 - $16.75

D2 - $28.51

D3A - $26.10

D3B - $27.12

D4 - $20.87

DM - $0.00

D6E - $29.55

D6W - $0.00

D7E - $40.40

State - $25.45

D8 - $26.77

D7W - $55.06

D1 - $116.94

D2 - $0.00

D3A - $0.00

D3B - $59.71

D4 - $0.00

DM - $89.12

D6E - $45.47

D6W - $47.97

D7E - $0.00

State - $112.93

D8 - $0.00

D7W - $0.00

D1 - $30.14

D2 - $27.59

D3A - $29.13

D3B - $42.75

D4 - $24.94

DM - $80.35

D6E - $35.98

D6W - $44.30

D7E - $56.48

State - $42.05

D8 - $34.37

D7W - $51.32

UC

5

3

9.8

2.8

4.6

2.3

6

7.5

6.2

2.5

4.6

5

D1 - $40.49

D2 - $48.34

D3A - $31.93

D3B - $47.22

D4 - $32.73

DM - $74.49

D6E - $44.48

D6W - $51.85

D7E - $76.93

State - $50.26

D8 - $97.50

D7W - $49.02

UC Best Perf

Avg $ Cost/LnMi/Event

Avg Regain Time (Hrs.)

Urban Commuter - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

RC

8.7

5.3

10.3

3.9

6.6

2.1

6.8

8.4

8.4

4.4

6.7

7

D1 - $28.48

D2 - $26.34

D3A - $30.85

D3B - $38.48

D4 - $24.35

DM - $34.54

D6E - $35.81

D6W - $42.92

D7E - $53.81

State - $35.96

D8 - $37.41

D7W - $56.39

RC Best Perf


Avg Regain Time (Hrs)

Rural Commuter - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

P

12.2

7

12

7.8

10

0

8.7

11

10.1

4.6

7.8

9.2

D1 - $21.90

D2 - $26.37

D3A - $27.24

D3B - $19.45

D4 - $21.75

D6E - $30.67

D6W - $28.76

D7E - $48.45

State - $26.67

D8 - $31.25

D7W - $40.23

P Best Perf



Primary Collector - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

S

28.7

9

17.3

10.6

14.8

0

9.2

0

16.7

5.5

8.5

18.1

D1 - $16.75

D2 - $28.51

D3A - $26.10

D3B - $27.12

D4 - $20.87

D6E - $29.55

D7E - $40.40

State - $25.45

D8 - $26.77

D7W - $55.06

S Best Perf



Secondary Collector - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

SC

2.3

0

0

2.2

0

2

2.9

4

0

0

0

2.2

D1 - $116.94

D3B - $59.71

DM - $89.12

D6E - $45.47

D6W - $47.97

State - $112.93

SC Best Perf



Super Commuter - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

All

11.8

6.3

11

3.7

8.3

2.1

7

8.2

8.6

4.1

7.3

7.8

D1 - $30.14

D2 - $27.59

D3A - $29.13

D3B - $42.75

D4 - $24.94

DM - $80.35

D6E - $35.98

D6W - $44.30

D7E - $56.48

State - $42.05

D8 - $34.37

D7W - $51.32

All Best Perf



All Road Classes - Best PerformanceRegain Time & Cost Per Event Winter 2003-04

WMSWork Management SystemWork Planning SystemWork Order ProgramPerformance IndicatorsCompletion Reports

WMS ReportsTotal Labor, Equipment, and MaterialsCosts per Lane MileTotal Material UsageTotal Equipment Costs

Reports include labor, equipment, and material for all maintenance activities by job number

Raw Data

Winter Severity Index

1997-19981998-19991999-20002000-2001

DistrictSnow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)Snow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)Snow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)Snow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)

D163.009.0078.5010.8460.009.0087.8011.0951.007.0056.309.5457.004.0087.1513.54

D227.006.00103.0013.8317.004.0091.0015.0214.003.0080.007.5926.009.0048.0013.05

D3A23.003.0049.0013.8727.003.0052.0010.8515.003.0032.009.0837.008.0060.5013.89

D3B24.004.0051.5010.7925.005.0053.5011.9915.003.0031.109.7217.0010.0056.5012.44

D418.004.0036.1014.4418.004.0042.6013.4224.003.0036.0010.9849.0011.0060.0013.50

Metro53.004.0045.008.3937.005.0056.5011.7623.005.0036.2010.4448.008.0075.8013.00

D6A29.004.0038.4012.5320.004.0044.9013.4225.006.0025.608.8929.006.0065.6014.94

D6B33.002.0032.757.9631.002.0049.0013.7828.004.0034.508.8929.009.0043.0016.86

D7E21.005.0033.2010.0318.002.0034.5011.5714.002.0024.408.2218.002.0052.0019.31

D7W31.004.0048.0014.1921.004.0038.0015.4417.004.0035.007.3523.006.0065.5019.31

D825.003.0050.0015.0616.005.0044.0012.8814.003.0036.008.6618.004.0060.0023.47

Max63.009.00103.0015.0660.009.0091.0015.4451.007.0080.0010.9857.0011.0087.1523.47

Avg.31.554.3651.4011.9926.364.2753.9812.8421.823.9138.839.0331.917.0061.2815.76

2001-20022002-20032003-2004

DistrictSnow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)Snow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)Snow EventsFreezing Rain EventsSnow Amount (inches)Storm Duration (hours)

D127.508.5084.0015.5246.0014.5052.5010.0333.006.00106.0014.95

D219.006.0040.0016.0810.005.0038.0011.6023.003.0060.0012.25

D3A23.005.0054.0029.0527.0011.0027.008.9923.002.0070.0013.41

D3B26.000.0063.5013.0026.0010.0032.0010.5225.006.0050.0014.25

D425.004.0056.0015.9027.005.0035.0013.6829.002.0084.0016.96

Metro33.002.0065.508.0033.002.0035.002.3223.003.0066.3010.03

D6A23.006.0030.7010.5922.004.0030.008.9420.007.0048.4012.87

D6B9.004.0023.0012.4319.009.0022.509.2820.006.0038.5016.38

D7E15.0019.0020.5015.4217.004.0023.0011.1813.002.0042.0021.63

D7W13.005.0046.0014.3920.006.0036.008.3116.002.0060.0027.28

D823.002.0090.0015.6720.006.0025.0011.3519.002.0045.0017.68

Max33.0019.0090.0029.0546.0014.5052.5013.6833.007.00106.0027.28

Avg.21.505.5952.1115.1024.276.9532.369.6522.183.7360.9316.15

Raw Index = 10 * (SE/63) + 5.9 * (FR/19) + 8.5 * (AMT/106) + 9.4 * (DUR/29.05)

Winter Severity Index = Raw Index / .338

WSI Table

Winter Severity Index*

DistrictWinter

1997-19981998-19991999-20002000-20012001-20022002-20032003-2004

D166.967.952.964.155.557.060.5

D255.947.635.644.439.329.439.5

D3A38.538.226.152.456.037.842.1

D3B37.540.526.542.539.739.142.8

D434.535.133.160.343.938.751.6

Metro47.346.634.060.340.527.938.9

D6A38.436.631.849.033.729.739.6

D6B32.741.233.548.225.331.439.7

D7E31.929.622.141.144.127.838.6

D7W43.237.327.050.335.431.449.7

D840.834.926.248.849.031.738.4

Statewide42.541.431.751.042.034.743.8

*Index ranges from 0-100

D1

66.855490343242.5006000156

67.892352027841.4035753284

52.871297265331.6964407747

64.081187494451.037021797

55.509953373242.0472476117

56.9811606134.7088717068

60.469747477743.7603891405

D1

Statewide

Season


District 1 Winter Severity Index by Season

D2

55.868100647342.5006000156

47.626804408141.4035753284

35.576532457131.6964407747

44.359458645251.037021797

39.318772289842.0472476117

29.410152002634.7088717068

39.519375072743.7603891405

D2

Statewide

Season



D3

38.460570883537.49341605142.5006000156

38.159609252540.505042898141.4035753284

26.084839576126.484015347531.6964407747

52.376237194742.484236277851.037021797

56.016609198239.720431084542.0472476117

37.797581681939.060198174134.7088717068

42.083615654342.756986141443.7603891405

D3A

D3B

Statewide

Season



D4

34.516435319942.5006000156

35.082041177841.4035753284

33.079301738731.6964407747

60.275794292651.037021797

43.92262667642.0472476117

38.673149435434.7088717068

51.621283062743.7603891405

D4

Statewide

Season



Metro

47.272576126442.5006000156

46.631979390941.4035753284

33.977606443231.6964407747

60.319823904351.037021797

40.532978211942.0472476117

27.859341192734.7088717068

38.88872715243.7603891405

Metro

Statewide

Season


Metro Winter Severity Index by Season

D6

38.39935793132.72492363642.5006000156

36.566935496641.212620442641.4035753284

31.836889223933.519780022531.6964407747

48.997028315648.229538559851.037021797

33.735078588525.257740065842.0472476117

29.682351006931.413248107834.7088717068

39.626906815539.719722438343.7603891405

D6A

D6B

Statewide

Season



D7

31.934132569543.205317976442.5006000156

29.551851837237.333385027541.4035753284

22.070137604626.998328367431.6964407747

41.113423888150.339173079351.037021797

44.125516083735.387927760642.0472476117

27.817995174831.400898249234.7088717068

38.61392120749.702128003143.7603891405

D7E

D7W

Statewide

Season



D8

40.776278687342.5006000156

34.876706653241.4035753284

26.162120474931.6964407747

48.831338115251.037021797

48.99209039642.0472476117

31.701513139634.7088717068

38.36186752143.7603891405

D8

Statewide

Season



Key Points CoveredWhat is an event.Reporting eventsBare lane definitionReporting bare lanesCleanup operations and prioritiesRecording accurate informationDashboardsBare lane factors and scenarios

District Operations Performance Data Summary Report Statewide Plan and Business Plan Measures

Snapshot Mn/DOT Performance vs. Targets June 2004

Thank YouCurt Gobeli [email protected]

Maintenance Web Site: www.dot.state.mn.us/maint

Night and dawn patrol examples:#1. Starts snowing at 1am Dawn patrol is performing S&I operations from 1am-5am (Plowing and Sanding) Dawn patrol calls in additional crews at 5am At 5am dawn patrol switches his time to activity 2406 This would trigger an event Event start time would be 1am#2 Lt. Scattered frost on bridge decks Dawn patrol is out performing S&I operations (sanding bridge decks) Dawn patrol completed the operations without calling in additional help This would not trigger an event.Cover

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