Winter Maintenance Survival 101 -...

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

rmdevries@co.mchenry.il.us

Monty Mills

Washington State Department of Transportation; Maintenance and Operations Branch Manager

(360) 705-7803

millsm@wsdot.wa.gov