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APWA & PNS North American Snow Conference
April 2011
1
Winter Operations Survival 101
Overview
Policies and Procedures
Levels of Service
New Technologies
Training Opportunities
Snow Policy and Training
Before Winter
Mark DeVries
�Roadway Treatment Goals�Level of Service�Measurement�Training
�Material Storage�Field Testing
�Application Guidelines�Follow-up
Snow and Ice Plan Components
Level of Service
Expectations
Before Winter
APWA & PNS North American Snow Conference
April 2011
2
Roadway Treatment GoalsRoad Condition Rating for Sand Treatment Points LOS
Rating
100% of roadway has sand present 3 C+
50% or more of roadway has sand present 3.5 C
All emphasis areas have sand present 4 D+
50% or more of emphasis areas have sand present 5 F+
50% or less of emphasis areas have sand present 5.9 F
Unable to evaluate - -
Road Condition Rating for Chemical Treatment Points LOS Rating
Bare Pavement 1 A+
Patches of frost, black ice, slush, or compact. 1.5 A
Wheel tracks bare, frost, snow, or ice encountered. 2 B+
50% of roadway with compact snow and ice. 3 C+
Entire roadway covered with compact snow & ice. 4 D+
Unable to evaluate - -
Ratings and Levels of Service
LACK OF COMMUNICATION BETWEEN OPERATORS
New Technologies
Prototype PlowsHenderson Henke
Monroe Truck Flink
APWA & PNS North American Snow Conference
April 2011
3
New Automated Blending System
AVL with Extras!! Chehalis Salt Brine FacilityChehalis Salt Brine Facility
Starts Now
NASTY STORMS
APWA & PNS North American Snow Conference
April 2011
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0
5
10
15
20
25$0
$10
$20
$30
$40
$50
Nov. 21st. 2010 Storm Zoomed with Treatment Data
New FLIR Camera
APWA & PNS North American Snow Conference
April 2011
5
Alaska’s Smart Vehicle SystemAlaska’s Smart Vehicle System
Training
Certification
Granular CalibrationDickey John:
•Select, set, and record the applicable gate opening; Connect key board perform system response / granular; zero the scale;
•Select cal / granular / salt, sand, or salt sand mix; touch R and fill the box;
•enter lbs dropped;
•touch D / y / operate / gran configuration and record the new cal number.
• Repeat twice for each granular product to verify an average value.
Force:
•Select, set, and record gate setting;
•enter the calibrate mode;
•rotate knob to “set granular”;
•enter 360 pulses per rev (if using the Dickey John style meter);
•set auger min. Set auger max. record the maximum rpm attained;
•select calibrate salt; adjust % to 100, push spreader knob, fill the scale box then push spreader knob to stop the delivery;
• record # of turns; enter pounds dropped, calculate and record the
lbs / rev as the new cal #;
• repeat this procedure twice for each granular product the unit is
programmed to deliver.
THANK YOU!THANK YOU!Mark DeVriesMcHenry County DOT(815) 334-4975
Monty Mills
Washington State Department of Transportation; Maintenance and Operations Branch Manager
(360) 705-7803
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