technical symposium: marina fueling system design ......pet, marina piping systems from dock to...
TRANSCRIPT
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Technical Symposium:Marina Fueling System Design,
Construction, and Operation
Division of Clean Water ProgramsState Water Resources Control Board
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What is a MFF?• Marina Fueling Facilities (MFFs) are
aboveground and underground fuel storageand transfer system(s) located at marinas thatdispense fuel on or near the shoreline of awaterway, or over water
• Currently underground storage tanks (USTs)at MFFs are required to comply with Title 23,California Code of Regulations
• Aboveground storage tanks (AGTs) arerequired to comply with Chapter 6.75 of theCalifornia Health and Safety Code
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MFF Performance
• Objectives
lSafety
lEnvironmentallyProtective
lEfficient
lEconomical
• Requirements
l Fire Safety
lEnvironmentalProtection
lWorker Healthand Safety
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Marina Advisory Panel Report
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Fuel Storage &Transfer Systems
• Issue: Inconsistencies between statutoryand regulatory requirements
• Recommendation: UST and ASTrequirements for marina product pipingshould be consistent and specific tomarinas
• Follow-up: Propose amendments tostatute requiring MFFs with ASTs meet thesame requirements as MFFs with USTs
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Fuel Storage &Transfer Systems
• Issue: Statutes and regulations relatedto fuel piping are inconsistent
• Recommendation: Continue toresearch statute and regulations
• Follow-up: Promote code complianceand consistency through the use of acomprehensive marina standard
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Fuel Storage &Transfer Systems
• Issue: Each marina system isdynamic/unique and therefore needs tobe designed using best practices
• Recommendation: Develop appropriatestandards for fuel transfer systemsspecific to marinas
• Follow-up: Development of ULstandards specific to marina fuelingsystems
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Fuel Storage &Transfer Systems
• Issue: New requirements may impose afinancial hardship on marinaoperators/operators
• Recommendation: Legislature shouldconsider grants or low interest loans
• Follow-up: Inquiring into grant and loanavailability for MFF upgrades
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Floating Fuel Systems• Issue: No specific standard for floating fuel
systems
• Recommendation: Develop regulations thatprovide consistency for floating fuel systems
• Follow-up: Research on statutes, regulations,code consistency, public safety, andenvironmental protection is being conductedto help us better evaluate these systems
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Vessel Fueling
• Issue: Vessel fuel venting systems mayresult in direct petroleum discharges towater
• Issue: Watercraft emissions to water• Recommendation: Consult with NMMA
USCG, and CARB• Follow-up: Promote BMPs• Follow-up: CARB evaluating MFF and
water craft fugitive emissions
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MFF Project Activities
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Ensuring “California'svital water supply isprotected now and for
years to come…...with orwithout MTBE, isa top priority.”
Governor Gray Davis, June 2002
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MFF Project Goal
To develop a comprehensive MFF regulatoryprogram that will allow consistent and effective
implementation of protective standards,regardless of whether the fuel tank is located
above or below ground surface.
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Material and Design Standards
• Standard UL 2248, Marina Fuel Storage,Piping, and Dispensing Systems
• Standard UL 2405, AbovegroundSecondarily Contained Piping forFlammable Liquids
• Standards available for comment now.Comments due to UL by July 22, 2002
• UL to publish First Edition of bothstandards by September 2002
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Statewide MFF Inspections
• Request for LIA & RB assistance wasmailed out October 27, 2000
• MFF inspections recorded on formdeveloped by SWRCB
• “Marina Fuel Storage and PipingInspection Form” due Dec 31, 2001
• Inspections were conducted at 183facilities
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MFF Location - Water Type
5%
72%
23%
Freshwater
Saline
Brackish
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Type of Tank
2%
5%7%
51%
35%
Land-based AST
Land-based UST
Tank at DockAbovewater
Tank at DockUnderwater
Unidentified
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Product Type - All Systems
1%4%6%
69%
20%
Gasoline
Diesel
Premix
Other
Unidentified
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Tank ConstructionLand-based ASTs
2%4%
19%
50%
25%
Double-walled
Single-walled (with othersecondary containment)
Single-walled
Unidentified
Other
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Tank ConstructionLand-based USTs
2%4%
76%
18%
Double-walled
Single-walled
Single-walled (with othersecondary containment)
Unidentified
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Tank ConstructionTanks at Dock, Abovewater
45%48%
7%
Double-walled
Single-walled
Single-walled (withother secondarycontainment)
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Placement of Piping
29%
34%
16%
14%
3%
2%
1%
1%Under Dock
Aboveground
Underground
Above/Side Dock
Other
Underwater
Floating
Unidentified
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Piping Construction
1%
74%
25%
Single-walled
Double-walled
Unidentified
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Primary Piping Material
24% 58%
9%
7%1%
1%Metallic
Rubber Hose
Non-metallic Flexible
Non-metallic Rigid
Other
Unidentified
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Double-walled SecondaryPiping Material
1%
2%15%
17%
37%
28%
Metallic
Non-metallic flexible
Non-metallic rigid
Rubber Hose
Other
Unidentified
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Monitoring of Single-walled Piping
18% 62%
12%
3%3%
2%Visual
No Monitoring
Electronic
Line Tightness Test
Unidentified
Mechanical
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Monitoring of Double-walled Piping
26%57%
11%4%
1%
1%Electronic
Visual
No Monitoring
Mechanical
Line Tightness Test
Unidentified
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Single-walled PipingTransition Points
1%
1%5%
64%
29%
Over Water
Over Land
Unidentified
Underground
Underwater
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Double-walled PipingTransition Points
1%
2%4%
52%41%
Over Water
Over Land
Unidentified
Underground
Underwater
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Facilities With Under-Dispenser Containment
80%
20%No
Yes
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Evaluate MFF Inspection Data
• Variety of system construction andleak detection methods
• Identify fueling system design flawsand inadequacies
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Examples of Design andConstruction Inadequacies
• Use of rubber hose
• Improper use of non-metallic flexiblepiping
• Lack of under-dispenser containment(UDC)
• Single-walled piping componentsover water/underwater (lack ofsecondary containment)
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Rubber Hose
• Excessive permeation
• Poor damage resistance
• Poor life cycle
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PET, Marina Piping Systems from Dock to Shore, November 2001.
Rubber Hose - Permeation
• Economic and Environmental Impactl 2” diameter hose contains approximately
.16 gallons of fuel per linear foot
l A 100 foot length of 2” diameter hose willpermeate 200 to 400 gallons every yearunder normal temperatures, and up to1,000 gallons if exposed to elevatedtemperatures
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Estimated PermeationCalculation
• 24% of California’s primary piping atmarinas is rubber hose
• Estimated length of rubber pipingstatewide: 14,775 feet
• At normal temperature with a permeabilityaverage of 300 gallons per year 100 perlinear footl 44,325 gallons fuel lost per year due to
permeation statewide
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Coastal and InlandPermeation Scenario
• Facility with 100 feet of rubber hose atnormal temperatures (coastal)l 300 gallons of fuel lost per year due to
permeation
• Facility with 200 feet of rubber hose atincreased temperatures (inland)l 1,000 gallons of fuel lost per year due to
permeation
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So why use rubber hose?
• Until a few years ago it was one of theonly effective piping products availableto adapt to water level fluctuations
• Cheaper than newer more effectivepiping
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Use of Non-Metallic FlexiblePiping Aboveground
• Use of underground listed piping inaboveground applications at 40 facilities
• Overall, 69% of underground listed non-metallic flexible piping is used in above-ground applications
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Use of Non-Metallic FlexiblePiping Aboveground
• Not listed, tested, and/or intended foraboveground conditions: excessivecycling, excessive bending, abrasion,UV exposure
• Aboveground conditions cause fatigueto the piping system resulting inpremature failure
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Under-dispenser Containment
• 145 facilities (80%) do not have UDC
• Without UDC fuel leaks from inside thedispenser directly enter the water
• Studies show that releases occur atdispensers
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Use of UDCprevents fuel leaks
inside the dispenserfrom reaching the
water
Without UDC
With UDC
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Single-walled Piping ComponentsOver/Underwater
• 838 single-walled piping transitions(piping connection points)over/underwater
• Overall, 65% of piping transition pointsare single-walled and over/under water
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Single-walled PipingComponents Over/Underwater
Use ofsecondarycontainmentprevents fuelfrom reachingthe water
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Preliminary Data
MFF - Spills/Releases
• Release data from spills (at marinas) reportedto the Office of Emergency Services from1997 - 1999:l 65 releases during bulk transfers or
operations at marine terminal facilitiesl 37 releases from dispensing operationsl 13 fueling system failuresl 23 miscellaneousl 84 other
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Preliminary Data
MFF - Spills/Releases
• Release data from spills (at marinas)reported to the Office of EmergencyServices from 1997 - 1999:
l 222 spills reported at marinas
l 195 of those were to Californiawaterways
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Preliminary Data
MFF - Spills/Releases
• Release data from the SWRCB LeakingUnderground Storage Tank Database:
l 142 unauthorized releases from USTsat marinas between 1989 and 2000
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Petroleum Release Reporting
• Any petroleum spill onto the navigablewaters of the United States sufficient tocause a sheen on the water is aviolation of Section 311 of the CleanWater Act and must be reported
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Consistent & Effective Implementation
• Evaluate implementation of newMFF requirements
• Evaluate impact on existing MFFs
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Authority• Senate Bill 2198; which became effective
January 1, 1999, exempts UST piping atmarinas until such time as the SWRCBadopts regulations specific to the design,construction, upgrade, and monitoring ofMFFs
• Current authority is limited to revision ofUST regulations
• We intend to draft regulations for MFFs thatoperate USTs, and anticipate publishing adraft of these regulations late 2002
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We recognize that marina fuelingservices are an essential part of
recreational boating in California. Ourgoal is to develop a proposal for
implementation of MFF upgrades thatwill minimize economic impact and
service disruptions to facilities that maybe subject to upgrades.
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Contact InformationMarina Fueling Facility Project ManagerLaura Chaddock, Environmental ScientistDivision of Clean Water ProgramsState Water Resources Control BoardPO Box 944212Sacramento, CA 94244(916) 341-5870 phone(916) 341-5808 [email protected]/cwphome/ust/usthmpg.htm
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Additional Information
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Product Distribution - All Systems
4%
10%
67%
19%
Pressurized
Suction
Gravity
Unidentified
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Monitoring of Double-walledLand-based ASTs
2%
5%7%
8%
60%18%
Visual
Electronic
Unidentified
Manual Sticking
ContinuousInsterstitial MonitoringNone
![Page 57: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/57.jpg)
Monitoring of Single-walledLand-based ASTs
3%
70%
27%
Visual Monitoring
None
Unidentified
![Page 58: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/58.jpg)
Monitoring of Double-walledLand-based USTs
11%
82%
6%1%
Continuous InterstitialMonitoring
Electronic
Unidentified
Automatic TankGauging
![Page 59: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/59.jpg)
Monitoring of Single-walledLand-based USTs
91%
9%Automatic TankGauging
Electronic
![Page 60: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/60.jpg)
Monitoring of Double-walledTanks at Dock, Abovewater
8%8%
53%
31%
Visual
Electronic
ContinuousInterstitial Monitoring
Unidentified
![Page 61: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/61.jpg)
Monitoring of Single-walledTanks at Dock, Abovewater
8%
25%
42%
25%
Visual
Electronic
Manual Sticking
Unidentified
![Page 62: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/62.jpg)
Monitoring of Single-walledLand-based ASTs
(with other secondary containment)
17%
77%
6%Visual
Unidentified
None
![Page 63: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/63.jpg)
Monitoring of Single-walledLand-based USTs
(with other secondary containment)
60%
40%
Unknown
ContinuousInterstitialMonitoring
![Page 64: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/64.jpg)
Tank ConstructionTanks at Dock, Underwater
11%
56%33%
Single-walled
Double-walled
Single-walled(with othersecondarycontainment)
![Page 65: Technical Symposium: Marina Fueling System Design ......PET, Marina Piping Systems from Dock to Shore, November 2001. Rubber Hose - Permeation • Economic and Environmental Impact](https://reader035.vdocuments.us/reader035/viewer/2022070820/5f1d38a208c662697357d213/html5/thumbnails/65.jpg)
Monitoring of Double-walledTanks at Dock, Underwater
17%
50%
33%
Continuous InterstitialMonitoring
Electronic
Manual Sticking
100% Visual Monitoing