Snow & Ice Chemical Scatter Test Research

By Mandy UhrichDistrict 3A

Performance Measures / Operations Specialist

Disclaimer of Non-Endorsement • Reference herein to any specific commercial

products, processes, services by trade name, trademark, manufacturer or otherwise, does not constitute or imply its endorsement, recommendation or favoring by the Minnesota Department of Transportation.

Research Lane Design

100 ft Long

Research Lane Design

24 ft Wide

4 ft Wide Lanes

8 ft Wide Target Area

Research Lane Design

CHUTE

SPINNER

SKIRT

SLURRY TRUCK ZERO VELOCITY

Application Equipment

Test Runs

All Application Rates500 lbs/LM

Test Runs

Chemical With In Target Lane

Weighing Chemical Individual Lane Results

Chemical Scatter Worksheet

Result Analysis

Shoulder Groomer Double Wing Plow

Display Equipment

Display EquipmentJoma Blades Tow Plow

Display EquipmentBlending Station

Display Equipment

Sign Truck

Double Wing Plow Left Hand Wing Strobe

Display Equipment

Special Thank You! D3A Salt Solutions Committee Members

Districts 2,3,4 ,6 & Metro For The Equipment

Skirt

0%

10%

20%

30%

40%

50%

60%

70%

80%

75%

52%

75%

36%

20 MPH VS 30 MPH

Series1

Chute

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

91%

51%

89%

70%

20 MPH VS 30 MPH

Series1

Spinner

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

82%

56%

84%

50%

20 MPH VS 30 MPH

Series1

Slurry

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

78%

56%

20 MPH VS 30 MPH

Series1

Zero Velocity

70%

75%

80%

85%

90%

95%

100%

92% 92%94%

79%

20 MPH VS 30 MPH

Series1

20 MPH

Ice Ban Salt Ice Ban Salt Ice Ban Salt Ice Ban Salt Ice BanZero Velocity Spinner Skirt Chute Slurry

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100% 92% 94%

82% 84%

75% 75%

91% 89%

78%

30 MPH

Ice Ban Salt Ice Ban Salt Ice Ban Salt Ice Ban Salt Ice BanZero Velocity Spinner Skirt Chute Slurry

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100% 92%

79%

56%50% 52%

36%

51%

70%

56%

SKIRT Results

Ice Ban Road Guard 8 Geomelt Thawrox78%

80%

82%

84%

86%

88%

90%

92%

% In Target Area

SPINNER Results

Geomelt Ice Ban Road Guard 8 Thawrox78%

79%

80%

81%

82%

83%

% In Target Area

CHUTE Results

Ice Ban Geomelt Road Guard 8 Thawrox86%

88%

90%

92%

94%

96%

98%

% In Target Area

Geomelt Results

Off Road Outside Middle Target Area0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0.00% 0.00%6.60%

93.40%

1% 2%

14%

83%

1.50% 1.50%

11.00%

86.00%Geomelt Chute

Geomelt Spinner

Geomelt Skirt

Road Guard 8 Results

Off Road Outside Middle Target Area0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0% 1%7%

93%

2% 2%

14%

82%

1% 3%9%

87%

Road Guard 8 Chute

Road Guard 8 Spinner

Road Guard 8 Skirt

Thawrox Scatter Results

Off Road Outside Middle Target Area0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

0.00% 1.80%

8.20%

90.00%

0%4%

16%

80%

5% 2%11%

83%

Thawrox Chute

Thawrox Spinner

Thawrox Skirt

Ice Ban Results

Off Road Outside Middle Target Area0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0% 0%4%

97%

0.00%1.50%

15.70%

82.80%

0% 1%8%

91%

Ice Ban Chute

Ice Ban Spinner

Ice Ban Skirt

Raw Data

Chemical Application Method Speed Off Road Outside Middle Target AreaIce Ban Zero Velocity 20 2% 2% 4% 92%Ice Ban Zero Velocity 30 0% 2% 6% 92%

Salt Zero Velocity 20 0% 1% 4% 94%Salt Zero Velocity 30 4% 4% 12% 79%

Ice Ban Skirt 20 4% 5% 15% 75%Ice Ban Skirt 30 5% 10% 32% 52%

Salt Skirt 20 2% 5% 17% 75%Salt Skirt 30 13% 21% 29% 36%

Ice Ban Spinner 20 1% 3% 14% 82%Ice Ban Spinner 30 8% 13% 235 56%

Salt Spinner 20 0% 2% 13% 84%Salt Spinner 30 12% 16% 32% 50%

Ice Ban Chute 20 1% 1% 7% 91%Ice Ban Chute 30 8% 12% 28% 51%

Salt Chute 20 2% 1% 8% 89%Salt Chute 30 2% 7% 21% 70%

Ice Ban Slurry 20 0% 6% 17% 78%Ice Ban Slurry 30 5% 13% 26% 56%

Chemical Application Method Speed Off Road Outside Middle Target AreaIce Ban Chute 20 0% 0% 3.50% 96.50%

Geomelt Chute 20 0 0.00% 6.60% 93.40%Road Guard 8 Chute 20 0 1% 6.50% 92.50%

Thawrox Chute 20 0 1.80% 8.20% 90%

Geomelt Spinner 20 1% 2% 14% 83%Ice Ban Spinner 20 0% 1.50% 15.70% 82.80%

Road Guard 8 Spinner 20 2% 2% 14% 82%Thawrox Spinner 20 0% 4% 16% 80%

Ice Ban Skirt 20 0% 1% 8% 91%Road Guard 8 Skirt 20 1% 3% 9% 87%

Geomelt Skirt 20 1.50% 1.50% 11% 86%Thawrox Skirt 20 5% 2% 10.50% 82.50%

20 MPH VS 30 MPH Test

Special Chemical Test