![Page 1: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/1.jpg)
l i f i h i kReplacement Strategies for High Risk Distribution Pipelines
AGA Management of Vintage Distribution Pipelines Workshop
Presented by:
Kevin Dugan; Chief Engineer, Gas Distribution Engineering– VectrenCorporation
Daniel Vetter, P.E.; Project Manager – EN Engineering
September 12, 2011
![Page 2: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/2.jpg)
Agenda
• Scope and Project Study• Scope and Project Study• Replacement Identification/Prioritization and Strategy• Key Benefits
R l t A d P j t D li bl• Regulatory Approved Project Deliverable• Engineering/Construction Standards• Engineering Design Process• Construction Process• Continuous Improvement - Project Selection & Priority• DIMP Implications
![Page 3: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/3.jpg)
Scope and Project Study
• Identify need• Identify need
• Develop internally or enlist consultant• Program development• Presentation – corporate and/or regulatory• Presentation – corporate and/or regulatory• Implementation
• Program length
• Necessary budget
• Timeline
![Page 4: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/4.jpg)
Scope and Project Study
• Personnel needs• Personnel needs• Reporting• Organizational chart• Position descriptions/responsibilities
• Company• Consultants• Contractor
• Standards• Management• Engineering• Construction• Construction
![Page 5: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/5.jpg)
Scope and Project Study
• Communication• Communication• Internal
• Engineering• Construction/operations• Corporate
• External• PUC• Regional government – City township county• Regional government City, township, county• Community & resident notification• Public works• Contractors & consultants
![Page 6: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/6.jpg)
Replacement Identification/
• Identification/Prioritization
Prioritization and Strategy
• Identification/Prioritization• Pipe material (BS/CI & other materials)• Oldest main• Leak rates• Main repairs• Water/environmental problems• Public issues (roadway, safety, etc.)• System network• System network
• Strategy• Groupings or modules• Multi-year planning• Multi year planning• Network ends back to regulators• Size for target project budget
![Page 7: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/7.jpg)
• Customer benefits
Key Benefits
• Customer benefits• Minimize disruption to daily routines• Reduce outside leak calls and no gas calls• Customers will not be impacted by crews digging in
their streets and yards• Long term planning, advanced notification
• Public Safety• Reduce the possibility of an incident• Cut back on above ground meter leakage• Installation of plastic mains, easier to isolate damage• Installation of EFV’s• Installation of EFV s• Less leak repair activity, fewer construction openings
• Reduced risk of injury• Lower restoration (asphalt, concrete, yards)
![Page 8: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/8.jpg)
• General benefits
Key Benefits
• General benefits• Replace pipes that contribute most to system leaks• Service reliability and safety • Workforce efficiency, replacing this pipe based on a
planned schedule• Optimization of capital spending• Replace leak prone materials will also improve
customer satisfactioncustomer satisfaction• Reduce maintenance expenses• Lower level of lost and unaccounted for gas• Distribution Integrity Management Program (“DIMP”)
i trequirements
![Page 9: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/9.jpg)
Regulatory Approved Project
• Replacement program plan
Deliverable
• Replacement program plan• Length of program• Planned mileage• Targeted materials
• Monthly, quarterly, bi-yearly or annual reporting• Budget/expenditures• Mileage• Schedule
• Rate adjustment documentation
![Page 10: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/10.jpg)
• Material
Engineering/Construction Standards
• Material• Main• Services• Fittings
• Tie-ins• Metallic-to-Plastic• Plastic-to-Plastic
![Page 11: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/11.jpg)
• Installation
Engineering/Construction Standards
• Installation• Main
• Location – Parkway, under sidewalk, street, insertion, uprate/upgrade
• Method – Trench, HDD, insertion• Services
• Method – Insert, test and tie-over, direct bury• Meters – move out/relocation• Meters move out/relocation• Size – Residential, commercial, multi-unit
![Page 12: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/12.jpg)
• Annual replacement identification/description
Engineering Design Process – Pre-construction
• Annual replacement identification/description• Segments & Groups/Modules• Documentation – GIS/maps• Database tracking
• System Planning evaluation
• Identify address ranges
• Collect service information
![Page 13: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/13.jpg)
• Field noting and running line
Engineering Design Process – Pre-construction
• Field noting and running line
• Drafting and engineering design
• Cost estimating – main & services
• System operation plan/routine
• Bill of materials
• Construction/bid packetsubmittal
![Page 14: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/14.jpg)
• Receive construction packets
Construction Process
• Receive construction packets• Full year• Flowed
• Plan crew routing/scheduling• House crews• Contractor crews
• Notify affected customers• Order materials• Order materials• Complete main & service installation• Return completed construction packet
• As-builtsS i d• Service records
• Misc. documentation
![Page 15: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/15.jpg)
Engineering Design Process – Post
• As-built information
Engineering Design Process Post-construction
• As-built information• Record in GIS/maps
• Actual cost• Main• Services
•Reporting• Main installed – material & size• Main retired – material & size• Main retired material & size• Services installed• Services retired• Meters moved out/relocated
M i t• Main cost• Service cost
![Page 16: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/16.jpg)
• Re-Implementation of Optimain DS (Decision Support)
Continuous Improvement – Selection / Priority
• Algorithms - Leak history, material type, operation cost • Calculates Risk Score based on Repair /O&M Cost• Use for repair / replace decision and prioritization• Optimain – Source Data Analyzer (SDA is used to search for • Optimain Source Data Analyzer (SDA is used to search for
issues and find pipes with a large number of leaks)
![Page 17: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/17.jpg)
Continuous Improvement – Selection / Priority
• Optimain linked to GIS to gather data & create project boundaries.
![Page 18: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/18.jpg)
Continuous Improvement – Selection / Priority
• Calculates risk base on predicted number of future failures.C dd l t • Can add replacement plan and review repair/replace alternatives
![Page 19: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/19.jpg)
Continuous Improvement – Selection / Priority
• Optimain – Multiple Project Analyzer
• Can be used to review the results of multiple projects
• Can be used to perform batch pcalculations/changes
![Page 20: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/20.jpg)
• Replacement program included in metrics for DIMP
DIMP Implications
• Replacement program included in metrics for DIMP• Identification and selection of pipes with most risk will
consider all material types• Expansion of attributes to include threat types outlined in • Expansion of attributes to include threat types outlined in
DIMP to prioritize projects• Risk Scores will be re-visited on a periodic basis to re-
validate the prioritized list.p
![Page 21: Replifihiklacement Strategies for High Risk Distribution ... · Replifihiklacement Strategies for High Risk Distribution Pipelines AGA Management of Vintage Distribution Pipelines](https://reader033.vdocument.in/reader033/viewer/2022041918/5e6acf35a778a7718d656d5a/html5/thumbnails/21.jpg)
Questions?
Thank You!Thank You!