2010 APWA North American Snow Conference

04/18/2010

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American Public Works American Public Works Association's North Association's North

ANTIANTI--ICING ICING -- AN ARGENTINA AN ARGENTINA PERSPECTIVEPERSPECTIVE

American Snow ConferenceAmerican Snow Conference

Ing. Juan Carlos CerratoIng. Juan Carlos Cerrato

AdministraciónAdministración GeneralGeneral de Vialidad Provincialde Vialidad Provincial. .

OBJECTIVESOBJECTIVES

•• Is it possible to implement a nationwide Is it possible to implement a nationwide antianti--icing program in one year ?icing program in one year ?

Argentina did it.Argentina did it.Santa Cruz did it.Santa Cruz did it.

Demostrate it is posible to change the way to do• Demostrate it is posible to change the way to do winter maintenance.

• Implement anti-icing easily with very simple elements.

• Improve the program in a few steps.

WHERE ARE WE?

THE PROXIMITY OF ` TWO OCEANS

MOIST WINDS OFF

HUMID AIR FROM THE ATLANTIC OCEAN

MOIST WINDS OFF THE PACIFIC OCEAN

Lago San Martín

L. Pueyrredón

Río

Pin

tura

s

L. Ghio

Río

Bla

nco

Río Ecker

L. Cochrane

R. M

ayer

R. Fénix Gde.

R. Guenguel

C ñd . El Pl uma

L. Salitroso

R . J e i n i me

ni

L. Asador

L. Grande

R. Deseado

R. Seco

R. Salado

L. Dulce

Rí o Ch i c o

A . Pi rámides

Rí o

De s e a d o

Cañadón Sa l ado

Pt S J liá

La FedericaLago Cardiel

Ea. Bajo Picaso

El SaladoMata Grande

Cañadón 11 de Septiembre

La FlechaGdor. Gregores

Tucu Tucu

Tamel AikeFlorida Negra

Bahía Laura

Ea. La Oriental

Hipólito Yrigoyen

Tellier

Pampa AltaAntonio de Biedma

Bajo CaracolesEa. Lº del Furioso

Pto. Bertrand

Jaramillo

Ramón Lista

Cabo Blanco

MazaredoFitz Roy

Tehuelches

La María

Chile Chico

Perito MorenoKoluel Kayke

Las Heras

Piedra ClavadaEl Pluma

Puerto Ibañez Cañadón Seco

PicoTruncado

Caleta Olivia

El Portezuelo

Balmaceda

L. Blanco

Matamagallanes

Los Monos

Dest. Polic.Ramón Santos

Minerales

Ex -Dest. Polic.Gdor. Moyano

Cerro Blanco

TresCerros

Yacimiento Cerro Vanguardia

Los Perales

L. Quiroga

Los Antiguos

Ct o

L. Burmeister

L. Hansen

L. Belgrano

L. Olnie

L. de Olín

L. de los Cisnes

R. Correntoso

A. La

s Chicas

R í o

Ing. Pallavicini

Salitral de Cabo Cur ioso

Pampa delSetenta

P. Murphy

B. Mazaredo

P. Casamayor

P. Nava

P. Guzmán

P. Guanacos

P. Mercedes

Lago del

PasoRodolfo Roballos

Ea. La María

Ex-Dest. Polic.J.J. Albornoz

Río Olín

Hotel Río Olnie

L. Posadas

Casa Riera

Playa Bonita

Sindicato Dodero

Las Horquetas Ranch

R. P. San Juan Bosco

P.F. V.P. Río Pinturas

P.F. V.P. Vicente Olivera

L. Azara

L. Mogote

PampaVerdún

L. QuirogaChico

R.

Ba

rr an

co s o

Gendarmería Nacional

a. M

aip

ú

Pla

. C

hac

abuc

o

Pla. Cancha

Rayada

P.F. Tamel AikeL. Strobel

P.F. Valenzuela A.G.V.P.

Paso Marconi (Lacustre)

Paso O'Higgins-San Martín (Lacustre)

PasoIbañez-Pallavicini

PasoJeinimeni

Paso Mayer-Ribera Norte(Sendero)

Paso Río Mosco

R. S

imps

on

R. In

f ant e

Ra

bón

Puerto Deseado

1000 Km.

700 Km.

R. E

l Zurd o

R. PenitenteR. Rubens

Río

Gallegos

Bzo . S ur Rí o Co i g (Coy l e)

R. Pelque

R. Turbio

A . Cho r r . Magá n

Rí

o L

a L e o n a

R í o Sa n t a Cr uz

R í o Coy l e

Cñd . Co r p i e A i ke

L. Anibal

Laguna Blanca

Punta Delgada

Puerto Munición

Ea. Monte Dinero

El Condor

Monte AymondEa. Pali Aike

Bella Vista

El Zurdo

Puerto NatalesEl Turbio

Yacimiento Río Turbio

28 de Noviembre

Julia Dufour

Las Buitreras

Pto. Pres. Arturo Illía

Dest. Pol ic. Chimen Aike

Cancha CarreraDest. Pol ic.Gobernador Mayer

Puerto Coig

Coy Aike

Las Horquetas

El

El Cerrito

Cañadón de las Vacas

Ea.

Rincón GrandeGendarme C. Barreto

Charles Fuhr

Río Bote

Ea. La Leona

Pto. Santa Cruz

Río Chico

Comandante LuisPiedra Buena

Ea. Punta del Lago

Tres Lagos

Ea. Mata Amarilla

Pto. San Julián

Ea. El Chonque

Lago Tar

El Chaltén

R í o Shehuen o Cha l í aEa. La Julia

L. Cifre

Ea. OtotelAike

Pje. Lemarchand

Paso IntegraciónAustral

Dest. GendarmeríaGaipon

Dest. de Gendarmería

Dest. de Gendarmería

Dest. PolicialDiego Ritchie

P.F. GilbertoSoulés AGVP

L. LosEscarchados

Río

Bo

te

PasoVerlika

PasoZamora

Río Cent

ine

la

P.F. Tapi Aike AGVP

Corr . de Los Frai

l es

R í o C

h i c

o

G

. A l m t e Mo n tt

L. delToro

Co r dón A l t o

L. Sarmiento

R. Guanaco

GlaciarMoreno

Pla.Magallanes

P. Norte

Bahía Posesión

L. Blanca

Lago Roca

DesiertoEa. El Condor

Ea. La Maipú

Ea. HillStation

Hotel Laguna Grande

Dest.Polic. Güer Aike

Paso Río Don Gui llermoEl Paine - Cancha Carrera

Is. Deseada

202

La Pingüinera

Is. El Crique

Ea. La Angelina

P.F. Puente Blanco AGVP

Dest. Sección Laurita

Dest. Sección Mina1Paso Dorotea

Hotel Fuentes del Coyle

Museo y Camping

Rut

a N

ac. J

. M. F

angi

o

Rut

a

Nac

. Cm

te. L

uis

Pid

rabu

ena

Corpen Aike

P.F. Fortaleza AGVP

Pta. Bandera

La Esperanza

Rí o C ó n d

o

r

Río Cangrejo R í o C h i c o

Lag. ZanjaPique

Lag. Grande

Cñd. Mack Aike

Lag. Cóndor Lags. de Morro Gay

Lag. S arm iento

R . V i z c a ch a

s

Lag. Ignac io

Lag. del Toro

Lag. Taliv a

Lag. delManantial

Lag. G rande

Lag. de la Vega

Lag. Amenida

Lag. Azul

Calafate

Lag. Cóndor

Río

B

os

qu

e

Lag. Torre

L ag . Eléctri co

Cñ

d.

F a b r e

BrazoChac abuco

Pla P

Glac iar Viedma

Glaciar Upsala

Glaciar Murallón

Brazo Upsala Brazo NorteGl.

Spegazzini

A.

de

lo

s P

ais

an

os

Lag. La Esperanz a

Aº de

l Ro

ble

Río Gallegos

SANTA CRUZ PROVINCE: NEBRASKA STATESANTA CRUZ PROVINCE: NEBRASKA STATE

AREA: 243.943 Km2. 200.340 Km2.AREA: 243.943 Km2. 200.340 Km2.

240 Km.

310 Km.

320Km.

410 Km.

POPULATION : 225.950 HAB.. 1.775.000 HAB.POPULATION : 225.950 HAB.. 1.775.000 HAB.

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REALITY ANALYSISREALITY ANALYSIS

Large distances between cities.Large distances between cities.

6528 Km. of provincial roads .6528 Km. of provincial roads .

2389 Km. of federal roads.2389 Km. of federal roads.

Vehicles a dayVehicles a dayTMDA: Piedra Buena city: 1394 502 Transport (TMDA: Piedra Buena city: 1394 502 Transport (buses + buses + trucks)trucks)

TMDA: Chile boarder. 968 223 TransportTMDA: Chile boarder. 968 223 Transport

Conexión Conexión inter provinces e international.inter provinces e international.

OUR PROBLEMSOUR PROBLEMS

Isolated towns and farms Isolated towns and farms

Accidents.Accidents.

Roads closed.Roads closed.

Stuck. Vehicles in towns stopped.Stuck. Vehicles in towns stopped.

••STRONG WINDSSTRONG WINDS •• SNOW ACUMULATIONSNOW ACUMULATION

•• LARGE AREAS INVOLVEDLARGE AREAS INVOLVED

PART IPART I

PERIOD 1960 PERIOD 1960 –– 19981998

1960 1960 –– 2010 50 YEARS OF THE AGVP2010 50 YEARS OF THE AGVP

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••USING ROAD MACHINERYUSING ROAD MACHINERY

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PART IIPART II

Period 1998’Period 1998’ 2008’2008’Period 1998Period 1998 -- 20082008

NEW EQUIPMENT NEW EQUIPMENT

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PRACTICING DE ICINGPRACTICING DE ICING

E8 – Cañadón SecoE8 – Cañadón Seco

E6 – Lago PosadasE6 – Lago Posadas

E5 – Tamel Aike

PERMANENT POSTSPERMANENT POSTS

E1 – Río GallegosE1 – Río Gallegos

E2 – Bajo JohnE2 – Bajo JohnE4 – Tres Lagos

E3 – El CerritoE3 – El Cerrito

E7 – Tapi AikeE7 – Tapi Aike

E9 – Puente BlancoE9 – Puente Blanco

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MOVABLE POSTSMOVABLE POSTS

PART IIIPART IIIPeriod FEBRUARY 2008’Period FEBRUARY 2008’-- JULY 08’:JULY 08’:

THE TRANSFORMATION IS THE TRANSFORMATION IS BEGINNING:BEGINNING:

THE TRIP

February – March 2008

WE SAWWE SAW

AND WE LEARNED

BACK TO PATAGONIABACK TO PATAGONIAPRINCIPLE OF PARETO : THE 80 PERCENT OF THE TASK IS DONE WITH THE 20 PERCENT OF THE EFFORT

EXPERIMENTAL SALT BRINE PLANT

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ClNa liquid brine

INFORMATION KITsINFORMATION KITs

COMMUNICATIONS WITH COMMUNICATIONS WITH USERSUSERS

INFORMATION KITs INFORMATION KITs AND CDsAND CDs

TRIPTICOS AND TRIPTICOS AND BROCHURESBROCHURES

TRAINING PLAN TO THE DISTRICTS TRAINING PLAN TO THE DISTRICTS CHIEFS TO FORM WORKERS. CHIEFS TO FORM WORKERS.

COMMUNNICATION FROM COMMUNNICATION FROM EACH POSTEACH POST

INTERNET

RADIO: AM - FM

PART IVPART IVPeriod AUGUST 08’ Period AUGUST 08’ –– AUGUST 09’:AUGUST 09’:

CHANGES BECAME DEEPERCHANGES BECAME DEEPER

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••ADDITION OF CALCIUM ADDITION OF CALCIUM CHLORIDECHLORIDE

••BETTER EQUIPMENTBETTER EQUIPMENT

ADDITION OF ADDITION OF SUGAR CANE SUGAR CANE

WASTEWASTEWASTE WASTE MATERIALSMATERIALS

Sal Natural

Cloruro de Calcio puro

80% NaCl / 20%CaCl2

90% NaCl /10%CaCl2

Fecha09/03/20

09 09/03/2009 10/03/2009 10/03/2009 12/03/2009 12/03/2009 12/03/2009 12/03/2009

BRINESBRINES

ANALISYS IN OUR LABS.

Densidad (gr/mL) 1,197 1,197 1,183 1,183 1,122 1,122 1,149 1,149

pH 9 9 11 11 9 9 11 11

Temperatura (ºC) 23 23 50 50 25 25 25 25

Punto de congelaminento (ªC) -13,1 -12,6 -25 -24 -15,4 -15,1 -14,0 -14,2

Cloruros (g/L) 39,2 37,8 39 39,4

Time (min)Temperatur ºC

Temperatur ºC Sample 1 80% de ClNa brine at 24%

Muestra 1 Muestra 2 Commercial 10% de Cl2Ca at 28%

0 -24 -27 10% de Fundente agrícola conc

10 -23 -24

20 -21 -23 Sample 2 80% de Cl Na at 23%

30 -21 -23 Lab. 10% de Cl2Ca at 28%

40 -20 -22 10% de Fundente agrícola conc

50 -22 -23

60 -20 -21

70 -20 -21

80 -19 -20

90 -16,8 -16,7

100 -13,5 -13,6

FREEZING POINT

TEMPERATURE SENSOR PAVEMENT

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OTHER ACTIONSOTHER ACTIONS

PARTICIPATION INTO C.U.V.I (WINTER PARTICIPATION INTO C.U.V.I (WINTER ROAD UNIVERSITY CENTER).ROAD UNIVERSITY CENTER).

CREATION OF THE REMOTES CREATION OF THE REMOTES MEASUREMENT DEPARTMENT ANDMEASUREMENT DEPARTMENT ANDMEASUREMENT DEPARTMENT AND MEASUREMENT DEPARTMENT AND FORECASTING IN THE AGVP.FORECASTING IN THE AGVP.

WEATHER STATIONS

INSTALED

AIRPORTS

FUTURE

OTHER ACTIONSOTHER ACTIONS

PARTICIPATION INTO C.U.V.I PARTICIPATION INTO C.U.V.I (WINTER ROAD UNIVERSITY CENTER).(WINTER ROAD UNIVERSITY CENTER).

CREATION OF THE REMOTES CREATION OF THE REMOTES MEASUREMENT DEPARTMENT AND MEASUREMENT DEPARTMENT AND FORECASTING IN THE AGVP.FORECASTING IN THE AGVP.

CONSTRUCTION OF THE FIRST CONSTRUCTION OF THE FIRST SNOW FENCESNOW FENCE

116 METERS OF SNOW FENCES

PART VPART V

THE FUTURETHE FUTURENO RETURNING WAYNO RETURNING WAY

INMEDIATS OBJECTIVES (2010)INMEDIATS OBJECTIVES (2010)REPRODUCE ANTI ICING PLANTS.( 4 inmediats + 3 )REPRODUCE ANTI ICING PLANTS.( 4 inmediats + 3 )TO WORK WITH THE BRINE SPRINKLERS TO FIND THE TO WORK WITH THE BRINE SPRINKLERS TO FIND THE AUTOMATION.AUTOMATION.

LONG LONG --TERM OBJECTIVESTERM OBJECTIVESTO WORK WITH “Servicio Meteorológico Nacional” IN THE TO WORK WITH “Servicio Meteorológico Nacional” IN THE EARLY ALERTEARLY ALERTTO SEND BY SATELLITES WEATHER MEASUREMENTS TO SEND BY SATELLITES WEATHER MEASUREMENTS AND IMAGES.AND IMAGES.TO LOOK FOR THE BEST BRINE FOR EACH POSTTO LOOK FOR THE BEST BRINE FOR EACH POSTTO PROYECT AND RISE NEW SNOW FENCES (600 TO PROYECT AND RISE NEW SNOW FENCES (600 meters)meters)

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THE SECRET:THE SECRET:HOW TO IMPLEMENT HOW TO IMPLEMENT

IT SUCCESFULLY?IT SUCCESFULLY?

AUTHORITIES CONVICTIONAUTHORITIES CONVICTIONIt is easier to implement an anti icing program.It is easier to implement an anti icing program.p g p gp g p gIt is easier request founds.It is easier request founds.It is easier to maintain the program throughout It is easier to maintain the program throughout the time.the time.

TEAM WORKINGTEAM WORKINGLet workers participate with ideas.Let workers participate with ideas.We need CONVICTION of workers too!!!We need CONVICTION of workers too!!!

THANKS !!!THANKS !!!

THE ENDTHE END

1810 – 2010 - 200 YEARS OF THE ARGENTINA’S INDEPENDENCE