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04/18/2010

2010 North American Snow Conference 1

APWA North American Snow APWA North American Snow Conference Conference

Snow and Ice Control 101Snow and Ice Control 101

City of Dubuque Public Works [email protected] 563-589-4348

Discussion ItemsDiscussion Items

Operations Operations Equipment Equipment Removal OperationsRemoval OperationsContracted WorkContracted WorkWhat’s Next????What’s Next????QuestionsQuestions

City of Dubuque, IowaCity of Dubuque, Iowa

Population Population -- 58,000 58,000

30 Square Miles 30 Square Miles

Oldest City in Iowa Oldest City in Iowa

City of Dubuque, IowaCity of Dubuque, Iowa

The city stands The city stands among the Mississippiamong the Mississippiamong the Mississippi among the Mississippi River bluffs as a River bluffs as a metropolitan service metropolitan service area for seven area for seven surrounding counties. surrounding counties.

City of Dubuque, IowaCity of Dubuque, Iowa

650 Lane Miles of Paved Street650 Lane Miles of Paved StreetBare Pavement PolicyBare Pavement PolicyyyHigh Service Level ExpectationsHigh Service Level Expectations

Average Snowfall Average Snowfall –– 43 inches43 inches

City oCity o f Dubuque Snow and Ice Controlf Dubuque Snow and Ice Control

310 Center Line Miles 310 Center Line Miles 39 Full Time Employees 39 Full Time Employees Snow and Ice Control Snow and Ice Control

Budget $1 281 830Budget $1 281 830Budget $1,281,830 Budget $1,281,830 (FY2010),(FY2010),

Salt Usage 7,000 tons Salt Usage 7,000 tons ($52.75 per ton)($52.75 per ton)

AntiAnti--icing Programicing Program

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Snow and Ice Control OperationSnow and Ice Control Operation

Budget Considerations FY2010Budget Considerations FY2010

$1,281,830 Total Snow/Ice Control Budget$1,281,830 Total Snow/Ice Control Budget

$489,355 Wages and Benefits$489,355 Wages and Benefits$489,355 Wages and Benefits$489,355 Wages and Benefits$700,000 Total Supplies and Services $700,000 Total Supplies and Services

($414,602 Operating Supplies)($414,602 Operating Supplies)7,000 tons of salt @ $52.757,000 tons of salt @ $52.75

15,000 gals. liquid deicer @$1.00 gal15,000 gals. liquid deicer @$1.00 gal60,000 gals. salt brine @ .10 gal60,000 gals. salt brine @ .10 gal

$17,800 Machinery and Equipment $17,800 Machinery and Equipment

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow and Ice Control ManualSnow and Ice Control ManualScope of Program Scope of Program –– IntroductionIntroductionS d I C t l O tiS d I C t l O tiSnow and Ice Control Operations Snow and Ice Control Operations Officials in Charge Officials in Charge Details of PreparednessDetails of PreparednessSnow Warning and Alerting Procedure Snow Warning and Alerting Procedure

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow and Ice Control ManualSnow and Ice Control ManualTruck Plow/Spreader Operations Truck Plow/Spreader Operations Additi l S Pl O tiAdditi l S Pl O tiAdditional Snow Plow OperationsAdditional Snow Plow OperationsVehicle Parking and Towing Vehicle Parking and Towing Snow Removal Operations Snow Removal Operations Median Crossovers Median Crossovers

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow and Ice Control ManualSnow and Ice Control ManualPedestrian and Parking Lot AssignmentsPedestrian and Parking Lot AssignmentsDowntown AlleysDowntown AlleysCatch Basins (water intakes)Catch Basins (water intakes)Snow and Ice Control Records Snow and Ice Control Records Training Program Training Program

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow and Ice Control ManualSnow and Ice Control ManualZone and Route Maps Zone and Route Maps Winter Storm Emergency Winter Storm Emergency 28 E Agreement with Dubuque County 28 E Agreement with Dubuque County AntiAnti––Icing Icing Departure from PolicyDeparture from Policy

Snow and Ice Control OperationsSnow and Ice Control Operations

Define what level of service will be provided. Define what level of service will be provided. Where snow will be plowed and deiced and Where snow will be plowed and deiced and ppwhere snow will be removed where snow will be removed

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2010 North American Snow Conference 3

Snow and Ice Control OperationsSnow and Ice Control Operations

Deicing/Plowing Deicing/Plowing The snow and ice control program specifies that all The snow and ice control program specifies that all improved streets within Dubuque's city limits shall be improved streets within Dubuque's city limits shall be plowed and receive applications of salt, salt brine, plowed and receive applications of salt, salt brine, crushed limestone sand and/or corrosion inhibitedcrushed limestone sand and/or corrosion inhibitedcrushed limestone, sand and/or corrosion inhibited crushed limestone, sand and/or corrosion inhibited deicer when necessary during and after a winter deicer when necessary during and after a winter snow or ice storm. Improved streets shall mean all snow or ice storm. Improved streets shall mean all publicly owned streets with a hard surface regardless publicly owned streets with a hard surface regardless of type. Alleys shall not be included in the program of type. Alleys shall not be included in the program with the exception of those in the downtown business with the exception of those in the downtown business district and those few alleys that serve as sole access district and those few alleys that serve as sole access to a residenceto a residence..

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow RemovalSnow RemovalRemoval of snow and ice accumulations from streets Removal of snow and ice accumulations from streets shall be done only when deemed to be absolutely shall be done only when deemed to be absolutely necessary. Because of the high cost associated with necessary. Because of the high cost associated with

l ti l l ti bl ti l l ti bremoval operations, large snow accumulations may be removal operations, large snow accumulations may be removed only when necessary from improved streets, removed only when necessary from improved streets, alleys and municipal parking lots in the downtown alleys and municipal parking lots in the downtown district. district.

Snow accumulations may also be removed from heavily Snow accumulations may also be removed from heavily traveled arterial streets as time and budget constraints traveled arterial streets as time and budget constraints permit. Any removal operations performed on arterial permit. Any removal operations performed on arterial streets are for the purpose of facilitating the safe and streets are for the purpose of facilitating the safe and proper flow of vehicular traffic onlyproper flow of vehicular traffic only..

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow and Ice Control Operations Snow and Ice Control Operations 14 operators will be dispatched when necessary to plow 14 operators will be dispatched when necessary to plow p p y pp p y p

and treat the City’s improved streets.and treat the City’s improved streets.Each operator has a route with primary, secondary and Each operator has a route with primary, secondary and

residential streetsresidential streets

Snow and Ice Control OperationsSnow and Ice Control Operations

Order of ServiceOrder of ServicePlows will plow and treat primary streets Plows will plow and treat primary streets

continuously until they are open for vehicular continuously until they are open for vehicular y y py y ptraffic. traffic.

Next, secondary streets; Next, secondary streets; Finally, all other streets .Finally, all other streets .

Snow and Ice Control OperationsSnow and Ice Control Operations

Snow Warning and Alerting ProcedureSnow Warning and Alerting ProcedureNational Weather ServiceNational Weather ServiceNational Weather Service National Weather Service Internet Weather ServicesInternet Weather ServicesPrivate Forecast Service Private Forecast Service

24 hr. monitoring and notification service24 hr. monitoring and notification service

Snow and Ice Control OperationsSnow and Ice Control Operations

Truck Plow/Spreader OperationsTruck Plow/Spreader Operations14 operators per shift14 operators per shift14 operators per shift 14 operators per shift 2 shifts2 shifts

4:00 a.m. to 12:00 noon4:00 a.m. to 12:00 noon12:00 noon to 8:00 p.m. 12:00 noon to 8:00 p.m.

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Snow and Ice Control OperationsSnow and Ice Control Operations

Employees assigned to the 4:00 a.m. to 12:00 noon shift Employees assigned to the 4:00 a.m. to 12:00 noon shift are responsible for operating trucks during the A.M. are responsible for operating trucks during the A.M. hours between midnight and noon. hours between midnight and noon.

Employees assigned to the 12:00 noon to 8:00 p.m. shift Employees assigned to the 12:00 noon to 8:00 p.m. shift are responsible for operating trucks during the P.M. are responsible for operating trucks during the P.M. hours between noon and midnight. hours between noon and midnight.

November/December 2007November/December 2007

November 21, 2007 Snow November 21, 2007 Snow December 1, 2007December 1, 2007 Sleet/SnowSleet/SnowDecember 4, 2007 December 4, 2007 Snow Snow December 6, 2007December 6, 2007 Snow Snow December 8, 2007 December 8, 2007 Snow Snow December 9, 2007 December 9, 2007 Freezing rainFreezing rainD b 11 2007D b 11 2007 Sl t/SSl t/SDecember 11, 2007December 11, 2007 Sleet/Snow Sleet/Snow December 15, 2007 December 15, 2007 Snow Snow December 22, 2007 December 22, 2007 Sleet/Snow Sleet/Snow December 26, 2007December 26, 2007 Snow Snow December 28, 2007December 28, 2007 Snow Snow

20.6 total inches (11 events)20.6 total inches (11 events)

December 2007December 2007

Public Works crews worked 23 consecutive 24 hr. Public Works crews worked 23 consecutive 24 hr. operations ( 2operations ( 2-- 12 hour shifts) plowing or removing snow 12 hour shifts) plowing or removing snow

Snow and Ice Control OperationsSnow and Ice Control Operations

AntiAnti--icingicing

Primary Streets and Steep Grades Primary Streets and Steep Grades Goal: Provide a proactive approach to stormGoal: Provide a proactive approach to stormGoal: Provide a proactive approach to storm Goal: Provide a proactive approach to storm management on arterial streets. management on arterial streets. Treat steep hills and trouble spots once prior to Treat steep hills and trouble spots once prior to the storm with liquid salt brine.the storm with liquid salt brine.Retreat with dry material as needed. Retreat with dry material as needed.

Anti Icing Anti Icing –– Salt Brine Salt Brine Snow and Ice Control OperationsSnow and Ice Control Operations

Salt Brine Salt Brine

Application Rate:Application Rate:

70 70 -- 80 gal/ lane mile 80 gal/ lane mile

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Snow and Ice Control OperationsSnow and Ice Control Operations

Corrosion Inhibited DeicerCorrosion Inhibited Deicer

Treat New PC Surfaced StreetsTreat New PC Surfaced Streets(1(1--3 years old)3 years old)

Treat 9 Bridge DecksTreat 9 Bridge DecksStreets with landscape islands Streets with landscape islands

Application Rate Application Rate –– 45 gal/lane mile45 gal/lane mile

Treating New PC PavementTreating New PC Pavement Steep Grade AreasSteep Grade Areas

AntiAnti--Icing EquipmentIcing Equipment

((2)2)--1200 Gallon Units1200 Gallon UnitsGround Speed ControlGround Speed Control

(1)(1)--Single Lane ApplicationSingle Lane Application(1)(1)--Two Lane ApplicationTwo Lane Application

(1)(1)--Sprayer Specialties Salt Brine MakerSprayer Specialties Salt Brine Maker

12,500 Gallons of Liquid Storage12,500 Gallons of Liquid Storage

Snow and Ice Control OperationsSnow and Ice Control Operations

Facility Facility

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2010 North American Snow Conference 6

Municipal Services Center Municipal Services Center Municipal Services CenterMunicipal Services Center

Brine Equipment Brine Equipment -- Storage TanksStorage TanksSalt Storage Salt Storage

AVL/GPS AVL/GPS –– Snow and Ice ControlSnow and Ice Control

BenefitsBenefitsImproved CommunicationImproved Communication

Updated InformationUpdated InformationUpdated InformationUpdated Information

Data CollectionData CollectionAmount of salt used Amount of salt used Application rates Application rates Number of miles per route Number of miles per route Start/End timesStart/End times

AVL/GPS AVL/GPS –– Snow and Ice ControlSnow and Ice Control

City Wide Mapping City Wide Mapping Route Mapping Route Mapping

Live Data Live Data •• Plow Location Plow Location •• Speed Speed

•• Blade Up/downBlade Up/down•• Application Rate Application Rate

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2010 North American Snow Conference 7

Storm Records Storm Records

Weather Conditions Weather Conditions Date Date Time Time Temperature Temperature Wind Wind

Storm Records Storm Records

Costs Costs

Operator Cost Operator Cost Equipment Costs Equipment Costs Material CostsMaterial Costs

Snow and Ice Control OperationsSnow and Ice Control Operations

Equipment Equipment

Snow and Ice Control OperationSnow and Ice Control Operation

Equipment List:Equipment List:5 5 -- 52,000 GVW trucks with combination boxes, 52,000 GVW trucks with combination boxes,

plows and midplows and mid--mounted wing plowsmounted wing plowspp g pg p1 1 –– 33,000 GVW truck with combination box, plow 33,000 GVW truck with combination box, plow

and midand mid-- mounted wing plowmounted wing plow66–– 31,000 GVW trucks with combination boxes and 31,000 GVW trucks with combination boxes and

plowsplows2 2 –– 15,000 GVW trucks with salt spreaders and 15,000 GVW trucks with salt spreaders and

plowsplows

52,000 GVW trucks with combination boxes, 52,000 GVW trucks with combination boxes, front mounted plows, midfront mounted plows, mid--mounted wing, mounted wing, and preand pre--wetting tankswetting tanks

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2010 North American Snow Conference 8

31,000 GVW trucks with v31,000 GVW trucks with v--boxes and boxes and combination boxescombination boxes

33,000 GVW truck with combination box and 33,000 GVW truck with combination box and wing bladewing blade

Pre-WettingTanks

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2010 North American Snow Conference 9

Wing Plow Laser GuidanceWing Plow Laser Guidance15,000 GVW trucks with salt spreaders and 15,000 GVW trucks with salt spreaders and plowsplows

Snow and Ice Control OperationSnow and Ice Control Operation

If snow accumulation is less then 6 inches, no If snow accumulation is less then 6 inches, no additional equipment is dispatched.additional equipment is dispatched.

Operations end after: Operations end after: The downtown area is plowed to the curb. The downtown area is plowed to the curb. All city owned downtown parking lots and alleys are All city owned downtown parking lots and alleys are plowed and deiced. plowed and deiced.

Snow and Ice Control OperationSnow and Ice Control Operation

Additional heavy equipment:Additional heavy equipment:

If snow accumulation is more then 6 inches, if the If snow accumulation is more then 6 inches, if the ,,storm is a long duration storm, or if the storm ends storm is a long duration storm, or if the storm ends shortly before daylight. shortly before daylight.

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2010 North American Snow Conference 10

Removal OperationRemoval Operation Removal OperationRemoval Operation

Removal starts in the downtown area:Removal starts in the downtown area:Downtown areas is posted year round to aid sweeping Downtown areas is posted year round to aid sweeping

and snow removal operations. and snow removal operations. The west side of the North/South streets are posted no The west side of the North/South streets are posted no

parking from 1:00 a.m. to 6:00 a.m. Mon/Wed/Fri. parking from 1:00 a.m. to 6:00 a.m. Mon/Wed/Fri. The east side of the North/South streets are posted no The east side of the North/South streets are posted no

parking from 1:00 a.m. to 6:00 a.m. Tue/Thur/Sat. parking from 1:00 a.m. to 6:00 a.m. Tue/Thur/Sat. East/West streets are also posted the same way. East/West streets are also posted the same way.

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2010 North American Snow Conference 11

Removal OperationRemoval Operation

Equipment Used: Equipment Used: 1 1 -- Endloader with snoEndloader with sno--go attachment go attachment 2 2 -- Endloaders with snow blade attachments Endloaders with snow blade attachments 1 1 -- Motor grader Motor grader gg1 1 -- 12,000 g.v.w. truck with blade and salt 12,000 g.v.w. truck with blade and salt

spreaderspreader9 9 -- Haul trucks Haul trucks

Removal OperationRemoval Operation

Crew Size: city personnel onlyCrew Size: city personnel only

14 operators from the a.m. salt shift14 operators from the a.m. salt shift14 operators from the a.m. salt shift14 operators from the a.m. salt shift(One blower operation)(One blower operation)

4 nights (midnight to 7:00 a.m.) 4 nights (midnight to 7:00 a.m.) Weekday operationWeekday operation

Removal OperationRemoval Operation

Removal OperationRemoval Operation

Additional areas removed during the early morning Additional areas removed during the early morning hours: hours:

Bridges and overpassesBridges and overpassesg pg pCurb radii Curb radii

Daytime Hours Daytime Hours CulCul--dede--sac’ssac’sArterial Snow RoutesArterial Snow Routes

Removal OperationRemoval Operation

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2010 North American Snow Conference 12

Removal OperationRemoval Operation Removal OperationRemoval Operation

Contracted HelpContracted Help

Contractors are used to help in the operation by: Contractors are used to help in the operation by:

Plowing operation if additional equipment is available Plowing operation if additional equipment is available during snow events over six inchesduring snow events over six inches

Plowing/removal from all city owned parking lots after the Plowing/removal from all city owned parking lots after the storm storm

Plowing streets leading to high tourist area throughout the Plowing streets leading to high tourist area throughout the storm storm

Contracted HelpContracted Help

Contractors are used to help in Contractors are used to help in the operation by: the operation by:

Providing haul trucks for our Providing haul trucks for our removal operationremoval operation

Removal of snow from downtown Removal of snow from downtown alleysalleys

Removal of snow from city Removal of snow from city parking lots parking lots

Contracted HelpContracted Help

Contractors are used to help Contractors are used to help in the operation by: in the operation by:

Removing snow from CulRemoving snow from Cul--dede--sacssacsdede sacs sacs

Removing snow from the Removing snow from the downtown areadowntown area

Future improvementsFuture improvements to snow and to snow and ice control operations ice control operations

•• Install blending system Install blending system

•• Provide web based information to the public on Provide web based information to the public on plowing operations with the use of AVL systemplowing operations with the use of AVL system

•• Using traffic cameras for snow and ice controlUsing traffic cameras for snow and ice controloperations operations

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2010 North American Snow Conference 13

John Klostermann John Klostermann City of Dubuque, Iowa City of Dubuque, Iowa

(563) 589(563) 589--42504250

[email protected]@cityofdubuque.org