bl england & reliability pipeline project files/sjg...bl england & reliability pipeline...
TRANSCRIPT
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BL ENGLAND & RELIABILITY PIPELINE PROJECTSeptember 27, 2013
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PRESENTATION OUTLINE
Utility Service in New JerseySouth Jersey Gas overviewProject backgroundExisting system infrastructureReliability considerationsHorizontal directional drillingEnvironmental impact studiesSafety and maintenance
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UTILITY SERVICE IN NEW JERSEYNew Jersey Board of Public Utilities has the responsibility to ensure safe, adequate and proper utility service for residentsBPU implements this responsibility by overseeing the actions of the State’s various public utilitiesPublic utilities are granted exclusive franchise rights to provide these services subject to the BPU’s jurisdictionThe BPU regulates most of the company’s operations, including but not limited to service cost and quality, customer service, safety, and construction specifications
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ABOUT SOUTH JERSEY GAS
Approximately 360,000 customers6,100 miles of distribution pipelineServes seven southern counties122 miles of transmission pipeline
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63,000 Customers currently residing within the Pinelands
EXISTING PINELANDS INFRASTRUCTURE
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SJG TRANSMISSION INFRASTRUCTURE
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PROJECT OVERVIEW
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RELIABILITY CONSIDERATIONSTotal number of customers impacted by service disruption= 60,000
Number of customers within the Pinelands= 3,300
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Total number of customers impacted by service disruption = 140,000
Number of customers within the Pinelands= 28,700
Number of Customers within the Pinelands in Atlantic County= 25,400
RELIABILITY CONSIDERATIONS
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RESTORING NATURAL GAS SERVICE
Restoring natural gas service is a lengthy, tedious processEach gas meter needs to be turned off as the pipeline problem is repairedOnce gas is re-introduced to the system, each meter needs to be turned on and appliances relit for each home and businessRestoring service to all of Cape May County could take 3 months or longerEvents like Hurricane Sandy have demonstrated that this type of outage is possible (ex. Long Beach Island)Utilities have been asked by the BPU to propose actions that will ‘harden’ their systems
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POTENTIAL PIPELINE ROUTES
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ROUTE C
Why was the route eliminated?
Railroad corridor reforestedLarge habitat for endangered speciesRequired significant clearing and disturbance of wetlandsRegulatory agencies discouraged route option
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ROUTE B
Why was the route eliminated?
Environmental impact –significant wetland mitigation requiredRequired relocation of residentsRestricted access to emergency servicesLack of available area for HDD constructionLimits of current drilling technologyDiminished reliability benefit
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ROUTE B
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ROUTE B
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ROUTE A
Why was this route chosen?
Minimal environmental impactLimited residential impactsProvides significant reliability benefitUse of previously established right-of-way corridor
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DESIGN ROUTE
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Crossing Name Structure to be drilled underTotal length of
drilll
Maximum depth of
drill
Distance from Water Bottom to Pipe
Cumberland Pond on Rte 49 Bridge and Dam Piles 2410' 62' 37'Tuckahoe River @ 1st Ave on Rte 49 Headwalls of bridge 2290' 56' 44'
Tuckahoe River @ Head of River Rd on Rte 40 Headwalls of bridge 1150' 61' 49'
Mill Creek on Rte 49 Headwalls of bridge 2120' 58' 46'
Horizontal Directional Drills ‐ SJG ‐ Pinelands Area
HORIZONTAL DIRECTIONAL DRILLING
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ENSURING SAFETY OF THE HDD PROCESS
Identify potential environmental risks
Require emergency response plans in the event of a problem
Install sediment controls and containment areas around drilling operations
Constantly track the exact path of the drill during the process
Continually assess site practices and environmental controls
Rehabilitate all disturbed areas as soon as possible and stabilize exposed soils
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ENVIRONMENTAL IMPACT STUDIES
Three Threatened & Endangered Species Surveys Were Prepared for Pinelands
Concluded that the proposed alignment avoids threatened and endangered species habitatsRecommended Best Management Practices that will be followed during construction
Cultural Resource StudiesPhase 1A and 1B/II studies were completedConcluded that archaeological resources will not be impacted by the pipeline
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SAFETY AND MAINTENANCE
Pipeline design exceeds federal requirements
Continuous pressure monitoring
Monthly patrols for erosion, excavation, illegal dumping, etc. for anything that may impact the pipeline
Annual leak survey
Periodic integrity assessments
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