FTBA Construction FTBA Construction Conference 2010 Conference 2010

Smoothness Committee Smoothness Committee SessionSessionSessionSessionTom ByronTom Byron

State Pavement Evaluation EngState Pavement Evaluation EngState Pavement Evaluation EngState Pavement Evaluation Eng352 955352 955--63146314

tom byron@dot state fl ustom byron@dot state fl ustom.byron@dot.state.fl.ustom.byron@dot.state.fl.us

AgendaAgendaAgendaAgenda

11 Smoothness Committee CharterSmoothness Committee Charter1.1. Smoothness Committee CharterSmoothness Committee Charter1.1. MembersMembers22 OverviewOverview2.2. OverviewOverview3.3. Preliminary TaskingPreliminary Tasking44 Committee TaskingCommittee Tasking4.4. Committee TaskingCommittee Tasking

2.2. First Smoothness Committee MeetingFirst Smoothness Committee Meeting1.1. SummarySummary2.2. Ongoing committee “homework”Ongoing committee “homework”

Committee MembersCommittee MembersCommittee MembersCommittee Members

Michael Michael BienvenuBienvenu, FDOT D4 Dir of Ops, FDOT D4 Dir of Ops Tom Byron, FDOT MaterialsTom Byron, FDOT MaterialsEd Ed DeVincenzoDeVincenzo, Hubbard/, Hubbard/OrlOrl. Paving. Paving Richard Hewitt, FDOT MaterialsRichard Hewitt, FDOT MaterialsJohn Hooper APAC SoutheastJohn Hooper APAC Southeast FrankFrank KreisKreis FDOT MaterialsFDOT MaterialsJohn Hooper, APAC SoutheastJohn Hooper, APAC Southeast Frank Frank KreisKreis, FDOT Materials, FDOT MaterialsAlbert Lopez, General AsphaltAlbert Lopez, General Asphalt ShaileshShailesh Patel, FDOT ConstructionPatel, FDOT ConstructionBrian Pickard, FDOT ConstructionBrian Pickard, FDOT Construction Scott Pittman, AJAX Paving Scott Pittman, AJAX Paving IndIndK i P i DAB C t tK i P i DAB C t t JJ R tiR ti B tt R dB tt R dKevin Price, DAB ContractorsKevin Price, DAB Contractors Joe Joe RestinoRestino, Better Roads, Better RoadsWilliam Sears, FDOT ConstructionWilliam Sears, FDOT Construction Paul Steinman, FDOT ConstructionPaul Steinman, FDOT ConstructionPat Upshaw, FDOT MaterialsPat Upshaw, FDOT Materials Emmanuel Emmanuel UwaibiUwaibi, FDOT , FDOT Pav’tPav’t DesDesJim Warren, ACAFJim Warren, ACAF Tony Williams, AndersonTony Williams, Anderson--ColumbiaColumbia

Charter OverviewCharter OverviewCharter OverviewCharter Overview

11 Committee “owner”Committee “owner” –– David SadlerDavid Sadler1.1. Committee owner Committee owner David Sadler, David Sadler, Director, Office of ConstructionDirector, Office of Construction

22 Intentional break from previous effortIntentional break from previous effort2.2. Intentional break from previous effortIntentional break from previous effort1.1. Analyze ride acceptance data toAnalyze ride acceptance data to--datedate22 D fi ifi t k d bj tiD fi ifi t k d bj ti2.2. Define specific tasks and objectivesDefine specific tasks and objectives3.3. ReRe--form the committee with a focus on the form the committee with a focus on the

h t bj tih t bj ticharter objectivescharter objectives

Ride Acceptance DataRide Acceptance DataRide Acceptance DataRide Acceptance Data

11 Ride acceptance data supports 4 0 RNRide acceptance data supports 4 0 RN1.1. Ride acceptance data supports 4.0 RNRide acceptance data supports 4.0 RN2.2. http://materials.dot.state.fl.us/smo/adminihttp://materials.dot.state.fl.us/smo/admini

stration/resources/library/publications/resestration/resources/library/publications/resestration/resources/library/publications/resestration/resources/library/publications/researchreports/pavement/10archreports/pavement/10--530.pdf 530.pdf

All Ride Acceptance 2005All Ride Acceptance 2005--20092009

Total Lots Total Miles Minimum Mean Maximum St. Dev

67345 6565.24 1.7 4.1 4.6 0.20

FCFC--5 Ride Acceptance 20055 Ride Acceptance 2005--20092009

Total Lots Total Miles Minimum Mean Maximum St. Dev

49425 4806.07 1.7 4.0 4.4 0.18

Granite FCGranite FC--5 20055 2005--2009 2009

Total Lots Total Miles Minimum Mean Maximum St. Dev

28553 2792.28 2.2 4.1 4.4 0.14

Limestone FCLimestone FC--5 20055 2005--2009 2009

Total Lots Total Miles Minimum Mean Maximum St. Dev

20758 2003.01 1.7 3.9 4.4 0.18

Preliminary TaskingPreliminary TaskingPreliminary TaskingPreliminary Tasking

11 Differences between DistrictsDifferences between Districts –– why?why?1.1. Differences between Districts Differences between Districts why?why?2.2. Differences between aggregate types Differences between aggregate types ––

why?why?why?why?3.3. Effects of gradation / fineness / texture on Effects of gradation / fineness / texture on

l fil d t ?l fil d t ?laser profiler data?laser profiler data?4.4. Assess feasibility of using IRI vs. RN for Assess feasibility of using IRI vs. RN for

ride acceptanceride acceptance

District Differences Open GradedDistrict Differences Open Graded––Li t (LS) G it (GR)Li t (LS) G it (GR)Limestone (LS) vs. Granite (GR)Limestone (LS) vs. Granite (GR)

Dist 1 Dist 2 Dist 3 Dist 4 Dist 5 Dist 6 Dist 7

MI RN MI RN MI RN MI RN MI RN MI RN MI RN

LS 606 4 0 33 3 9 0 0 813 3 9 331 4 1 91 3 8 10 3 9LS 606 4.0 33 3.9 0 0 813 3.9 331 4.1 91 3.8 10 3.9

GR 263 4.1 789 4.1 471 4.2 0 0 868 4.1 0 0 313 4.1

Preliminary TaskingPreliminary TaskingPreliminary TaskingPreliminary Tasking

11 Differences between DistrictsDifferences between Districts –– why?why?1.1. Differences between Districts Differences between Districts why?why?2.2. Differences between aggregate types Differences between aggregate types ––

why?why?why?why?3.3. Effects of gradation / fineness / texture on Effects of gradation / fineness / texture on

l fil d t ?l fil d t ?laser profiler data?laser profiler data?4.4. Assess feasibility of using IRI vs. RN for Assess feasibility of using IRI vs. RN for

ride acceptanceride acceptance

RN 4.0 VS IRI (Open Grade Comparison)RN 4.0 VS IRI (Open Grade Comparison)

Dense RN vs. Open RN Dense RN vs. Open RN -- IRI ComparisonIRI Comparison

Committee TaskingCommittee TaskingCommittee TaskingCommittee Tasking

11 Review / rewrite ride acceptance specReview / rewrite ride acceptance spec1.1. Review / rewrite ride acceptance specReview / rewrite ride acceptance spec1.1. Decouple laser profiler from RSEDecouple laser profiler from RSE22 Remove RSE requirement from rideRemove RSE requirement from ride2.2. Remove RSE requirement from ride Remove RSE requirement from ride

acceptance processacceptance process33 Stay within the current CQC modelStay within the current CQC model3.3. Stay within the current CQC modelStay within the current CQC model

Committee TaskingCommittee Tasking -- contcontCommittee Tasking Committee Tasking contcont

22 Develop / propose methods to use rideDevelop / propose methods to use ride2.2. Develop / propose methods to use ride Develop / propose methods to use ride improvement as contractor measureimprovement as contractor measure

11 What is appropriate payment / bonus for aWhat is appropriate payment / bonus for a1.1. What is appropriate payment / bonus for a What is appropriate payment / bonus for a given % ride improvement?given % ride improvement?

22 Would this apply to mill and fill projects?Would this apply to mill and fill projects?2.2. Would this apply to mill and fill projects?Would this apply to mill and fill projects?3.3. What pavement thickness would / could this What pavement thickness would / could this

apply to?apply to?apply to?apply to?4.4. What preWhat pre--construction testing construction testing –– and other and other

expenseexpense –– be required to implement?be required to implement?expense expense be required to implement?be required to implement?

First Meeting OverviewFirst Meeting OverviewFirst Meeting OverviewFirst Meeting Overview

11 11 Jan 201011 Jan 20101.1. 11 Jan 201011 Jan 20102.2. Committee Consensus:Committee Consensus:

11 D li LP d RSE tD li LP d RSE t1.1. Decoupling LP and RSE a mustDecoupling LP and RSE a must2.2. LP is a better tool for measuring ride qualityLP is a better tool for measuring ride quality

l f l d bll f l d bl3.3. Goal of using LP as sole source is desirable Goal of using LP as sole source is desirable ––but many significant steps required to get but many significant steps required to get before we get therebefore we get therebefore we get therebefore we get there

First Meeting OverviewFirst Meeting Overview -- contcontFirst Meeting Overview First Meeting Overview contcont

11 Steps to meet objective of LP testing onlySteps to meet objective of LP testing only1.1. Steps to meet objective of LP testing onlySteps to meet objective of LP testing only1.1. Develop comfort level / understanding of LP within Develop comfort level / understanding of LP within

IndustryIndustry2.2. Address concerns about texture’s effects on LPAddress concerns about texture’s effects on LP3.3. Develop methods to identify unacceptable LP data Develop methods to identify unacceptable LP data

d b thi b d th t t ’ t ld b thi b d th t t ’ t lcaused by things beyond the contractor’s controlcaused by things beyond the contractor’s control4.4. Make sure methods eliminate RSE safety concernsMake sure methods eliminate RSE safety concerns55 Determine equipment options so Industry knows itsDetermine equipment options so Industry knows its5.5. Determine equipment options so Industry knows its Determine equipment options so Industry knows its

equipment gives the same result as the Department’s equipment gives the same result as the Department’s

Questions?Questions?QQ

Laser ProfilersLaser ProfilersLaser ProfilersLaser Profilers

Laser SensorsLaser SensorsLaser SensorsLaser Sensors

►► The lasers measures the distance to the ground The lasers measures the distance to the ground at highway speeds to determine longitudinalat highway speeds to determine longitudinalat highway speeds to determine longitudinal at highway speeds to determine longitudinal profileprofile

►► Laser sensors fire @ 32,000 times per second or Laser sensors fire @ 32,000 times per second or 30 readings per inch @ 60 MPH30 readings per inch @ 60 MPH

Additional Required EquipmentAdditional Required EquipmentAdditional Required EquipmentAdditional Required Equipment

11 AccelerometersAccelerometers1.1. AccelerometersAccelerometers

►► The Accelerometers remove the motion of theThe Accelerometers remove the motion of the►► The Accelerometers remove the motion of the The Accelerometers remove the motion of the vehicle at highway speedsvehicle at highway speeds

2.2. Distance Measurement Instrument (DMI)Distance Measurement Instrument (DMI)

CalibrationCalibration

Daily Calibrations / ChecksDaily Calibrations / ChecksDaily Calibrations / ChecksDaily Calibrations / Checks►►Tire pressure and Tire pressure and AccelerometersAccelerometers

AccelerometerAccelerometer

Monthly CalibrationMonthly CalibrationMonthly CalibrationMonthly Calibration

►►Rut bar calibrationRut bar calibration

Monthly CalibrationMonthly Calibration -- contcontMonthly Calibration Monthly Calibration contcont

►►Block CheckBlock Check►►Block CheckBlock Check

Monthly CalibrationMonthly Calibration -- contcontMonthly Calibration Monthly Calibration contcont

►►Distance measurement (DMI) on calibratedDistance measurement (DMI) on calibrated►►Distance measurement (DMI) on calibrated Distance measurement (DMI) on calibrated sectionsection

Monthly Section ValidationMonthly Section ValidationMonthly Section ValidationMonthly Section Validation

►►A minimum of 3 sectionsA minimum of 3 sections►►A minimum of 3 sectionsA minimum of 3 sections►►Reference sections contain various levels of Reference sections contain various levels of

smoothnesssmoothnesssmoothnesssmoothness

QuestionsQuestionsQuestionsQuestions

Longitudinal Longitudinal ProfileProfile

FTBA Construction FTBA Construction Conference 2010 Conference 2010

Smoothness Smoothness CommCommSessionSessionSessionSessionTom ByronTom Byron

State Pavement Evaluation EngState Pavement Evaluation EngState Pavement Evaluation EngState Pavement Evaluation Eng352 955352 955--63146314

tom byron@dot state fl ustom byron@dot state fl ustom.byron@dot.state.fl.ustom.byron@dot.state.fl.us