Transcription
Quality in the Concrete Paving ProcessFHWA Sustainable Pavements Program:Advancing LCAHeather Dylla Sustainable Pavements Engineer2017 Pavement LCA Symposium, 4/13/2017
Presentation ObjectivesWhat is the Sustainable PavementsProgram’s Mission?How does Life Cycle Thinking Fit into theProgram?What is the Future of Life Cycle Thinking inPavement Design?2
Sustainable Pavements ProgramVision & MissionAdvance the Knowledge and Practice of Designing Constructing MaintainingMore Sustainable Pavements Through Stakeholder Engagement Education Development of Guidance and Tools3
Sustainable Pavements TechnicalWorking GroupIndustry EngineersLCA ProfessionalsMaterial ManufacturesConstruction ContractorsAcademia Pavement Materials ConstructionAgencies State Department of TransportationAgenciesInitial Focus: Develop Guidelines for Local AgenciesSustainable Pavements4
Develop GuidelinesPurpose Educate Practitioners Encourage Adoptionof Sustainable PracticesThroughout a ment/sustainability/ref doc.cfm5
Sustainability in GeneralCommon Definition Brundtland Report 1987 “Development that meetsthe needs of present withoutcompromising the ability offuture generations to meettheir own needs” Three Pillars of SustainabilitySocialEnvironmentEconomic6
Sustainable PavementsDefinition No Universal Definition Challenge: Transportation SystemConcepts achieve engineering goalspreserve and restore surrounding ecosystemsuse financial, human, and environmental resources economicallymeet basic human needs such as health, safety, equity,employment, comfort, and happiness7
Approaches for Improving AggregateProduction for Pavement Sustainability9
Second Focus: Guidance forSustainability Assessment10Adapted from GRI
Sustainability AssessmentEconomic Efficiency Life Cycle Cost Analysis Network and Project LevelSocialEnvironmental Stewardship Life Cycle AssessmentEnvironmentEconomicSocial Progress Social Life Cycle Assessment11
Sustainability AssessmentEconomic Efficiency Life Cycle Cost Analysis Network and Project LevelSocialEnvironmental Stewardship Life Cycle AssessmentEnvironmentEconomicSocial Progress Social Life Cycle Assessment12
Sustainability AssessmentEconomic Efficiency Life Cycle Cost Analysis Network and Project LevelSocialEnvironmental Stewardship Life Cycle AssessmentEnvironmentEconomicSocial Progress Social Life Cycle AssessmentMore Research Needed; Long Term Need13
Sustainability AssessmentEconomic Efficiency Life Cycle Cost Analysis Network and Project LevelSocialEnvironmental Stewardship Life Cycle AssessmentEnvironmentEconomicSocial Progress Social Life Cycle Assessment14
SocialPavement LCA HistoryEconomicEnvironment20102013Concrete PCRPavement LCAWorkshopAsphalt PCRDavis, CA2015SustainablePavements ProgramPavement LCAFramework2016FHWA ReferenceDocument2017Based on Amlan Mukherjee, SPTWG Gainesville FL15
FHWA Pavement LCA FrameworkEducate Agencies on LCA methodology andapplication to pavements Practitioners on LCA principles asapplied to pavements Documents current practices and gapsTechnical Guidance Implementation of pavement LCAwithin the U.S Description of viable alternatives withpros and consDeployment Encourage Progress in Pavement LCAhttps://www.fhwa.dot.gov/pavement/pub details.cfm?id 99816
LCA in PolicyOregon No. 3021 DEQ is sponsoring EPDs for concrete Proposed Bill– DOT Create Pilot Program to assess how products procuredaffect CO2 emissions– Environmental Cost– EPDsCalifornia No. 262 CO2 reporting for Bidding and Awarding of PublicContract EPDs17
Based on Amlan Mukherjee,SPTWG Gainesville FLLCA NeedsEnd GoalEPDs are a likelyvehicle to fulfil thedata gaps.Currently18
LCA NeedsIncludes SPTWG Feedback Education on LCA, EPDs,PCRs– Webinars, web-basedvideos, tech briefs, quicksimple talking points Examples Technical Guidance andTools19
Sustainable Pavements Program:Immediate and Future NeedsCase Studies Highlighting Technologies Identified inthe Reference Manual Document Environmental, Social,Economic BenefitsEPD Tech Brief Educate Agencies and Policy Makers What is EPD? How can EPDs be used?LCA ToolFuture Needs: Pilot study usingFHWA Pavement LCAFramework Develop TechnicalGuidance on How toIncorporate EPD’s Develop PavementLCA Tool Help Agencies Benchmark Impacts20
ability/Heather.dylla@dot.gov21Module2
Encourage Adoption of Sustainable Practices Throughout a Pavement's . SPTWG Gainesville FL Pavement LCA Workshop Davis, CA 2010 Sustainable Pavements Program FHWA Reference Document 2015 2013 Concrete PCR Pavement LCA Framework 2016 2017 Asphalt PCR. FHWA Pavement LCA Framework Educate Agencies on LCA methodology and application to .
