secondary containment & spill buckets inspection, testing ... · pdf filesecondary...
TRANSCRIPT
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Secondary Containment
& Spill Buckets –
Inspection, Testing, and
Repair Solutions
Allen Porter
May 28, 2015
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Welcome and overview
• Introduction Tanknology
• Proposed Revisions to Federal Regulations
• Testing - 10 years of Containment Testing Data
• Inspections – Preparation
• Sump and Spill Bucket Repair Options
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• Incorporated in 1988
• Largest Compliance Testing and Inspection Services Company in the World
• Approximately 250 employees with a fleet of 140 service vehicles across the US
• Service more than 60,000 AST/UST sites annually
• Twenty five International licensees serving 31 countries
• Design, develop and manufacture proprietary testing equipment
• Hold 22 patents on leak detection and tank monitoring technology
• Global standard for Chevron, Shell, BP and Exxon/Mobil
Company Overview
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Company Overview
Our MissionTanknology is dedicated to serving the evolving needs of underground
storage tank (UST) owners/operators by providing the broadest range
of testing, inspection, engineering services and forecourt compliance
management. We will provide superior value to our customers through
highly qualified people, advanced technologies, environmental
regulatory knowledge, and unwavering commitment to service, quality,
and integrity.
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• Compliance Testing
Tank Line and Leak Detector
Helium Leak Pinpointing
Aboveground Tank Testing
Secondary Containment Testing
• ATG Certifications
System Installations
Operational Verifications
• Cathodic Protection Services
Impressed Current Systems
Design, Installation and Repair
PetroScope™ Video Inspection
• Stage I and II Vapor Recovery
Testing (A/L, PD, etc.), PVVC
Owner/Operator Training
• Tank Deflection Analysis
Our Services
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• Fuel Pure™ Fuel Filtration
• TankCam�/ Tank Clean
Video Based
Water Injection and Removal
• Site Inspection and Audit Services
State Required Inspections
Customized Surveys
Periodic Compliance Inspections
Maintenance Assessments
• Operator Training
Outsource Class B Operator
Online Class C Operators
• Site Upgrades/Light Construction
Spill Bucket Replacement
Sump and UDC Repair
• Meter Calibration
Our Services (cont’d)
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Proposed Regulation Changes
• Secondary containment tested every 3 years or
continuous monitoring required.
Phased in over 3 years based on tank
installation date.
• Annual spill bucket testing or double wall buckets with
continuous interstitial monitoring – due within 1 year.
• Overfill Prevention Equipment to be tested once every 3
years
Operation and Maintenance (O&M)
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AZ Current Regulations
• Rule 49-1009
• Tank(UST) must be installed to meet secondary
containment and release detection requirements in 40
CFR 280.42 – periodic testing is not required
• DW tanks and lines with interstitial monitoring
• Be checked for evidence of a release at least every
30 days (sensor status report)
• Annual Overfill Operability Testing
Effective on locations after January 1, 2009
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Proposed Regulations – Testing Criteria
• Sump / UDC Testing –
Fill Sump up 4” above the highest penetration point
or sidewall seam, pass/fail criteria ~1/8” after one hour
• Spill Container (Bucket) Testing –
Fill Spill Bucket to 1.5” below top of spill bucket, pass/
fail criteria < 1/8” drop in one hour
• Other Methods – Vacuum on Sump/Spill Buckets,
Accelerated Precision Volumetric Tests, Manufacturer
Recommendations
PEI RP 1200 – Recommended Practices
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Proposed Regulations – Testing Criteria
• Tank Annular Testing –
FRP or Steel Tank, pull 10” hg or 6” hg respectively,
hold for one to two hours depending on tank size, zero
loss and interstitial space must be dry to pass.
• Line Annular Testing –
Line secondary must hold 5 psi with zero loss for one
hour to pass
PEI RP 1200 – Recommended Practices
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What Have We Learned?
10 Years of Test Data- California
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10 Years of Test Data
Spill Containers in California
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Spill Container Test
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10 Years of Test Data
Tank and Piping Interstitials in California
70%
75%
80%
85%
90%
95%
100%
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Passing
TankInters al
PipingInters al
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Easy Test Setup with Jumpers & Drains
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10 Years of Test Data
Tank Sumps and Under-Dispenser Containment in California
70%
75%
80%
85%
90%
95%
100%
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Perc
en
tag
e o
f P
assin
g T
ests
Piping Interstitial
STP & Tank Sumps
Under DispenserContainment
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Sump Testing
VPLT – Accelerated
Electronic Hydrostatic Test
developed by Tanknology
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Sump Testing Options
Options include:
Incon TS-STS and
Sherlock Vacuum Tester
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Inspection - Best Practices
Tank Sumps
• Sump must be kept clean and
dry.
• Sensor must be at the lowest
point.
• Sensor must be in a straight up
and down position.
• Lid should fit securely.
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Inspection - Best Practices
Spill Container
• Bucket/container must be kept
clean and dry
• Cap should be secure and
damage free
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Inspection - Best Practices
Dispensers
• Dispenser pan must be kept
clean, dry, free of leaks.
• Check hanging hardware for
cracks or leaks. (hoses, nozzles,
break-a-ways etc)
• Sensor must be at lowest point.
• Sensor must be straight up and
down.
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Why Tight Sumps Are Important
• Detect any leak of product into the
sump
• Prevent product release into ground
• Prevent contamination of environment
• Reduce maintenance costs
• Prevent compliance violations and/or
fines
• Extend life of pumps, piping, and
monitoring equipment
• Allow for inspections and
functionality testing
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What Kind of Problems Occur?
• Groundwater enters sumps
through leaks
• Sumps fill with water when it
rains
• Costly pump-outs
• ATG and sump sensors in alarm
• Leak Detection equipment not
functional
• Pumps, piping, and monitoring
equipment suffers corrosion and
deterioration
• Regulatory consequences
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Causes of Leaks and Water Intrusion
• Cracks and penetrations
• Torn, ripped, or missing entry boots
• Dislocation of mounting donuts
• Degradation of nitrile rubber and other
seals
• Sump bung adapter (floor)
• Seam of collar & sump riser
• Non watertight or poor fitting lids
• Missing gaskets
• Manhole covers allow water to
penetrate
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Effects of Water in Sumps
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Moisture/Ethanol in Sumps
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Sump and Spill Bucket Testing and Repair
• Potential Issues with Leaking Sumps and Spill Containment
• Repair & Equipment Options
• Tanknology’s Experience & Typical Repair Process
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Equipment & Repair Options
• Tanknology Experience
• PTI (Prevention Technologies) Repair Paste
• UnitLiner Repair Paste
• Icon/BlueLine Split Repair Boots
• Diversified Split Repair Boots
• ECP/EPP Sump Shield Retrofit Cover
• NEF (National Environmental Fiberglass) Retrofit Cover
• Universal Valve Retrofit Cover
• Emco Retail (Spill Container Retrofit)
• Other Options
• Bravo Retrofit Cover
• CNI Retrofit Cover
• Franklin (Phil-Tite) Spill Container Retrofit
• RhinoTite Retrofit Cover
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Prevention Technologies PTI
• Originally developed at Amoco Research
• Advanced polysulfide used as pour-in-place retrofit
containment.
• Amoco realized that 85% of all contamination is at the
fill, under dispenser & submersible.
• Impervious to gasoline, E-85,
• Compatible with most materials.
• Great sealant for cracks, gaps
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Icon Technologies
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Diversified Products
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Sump Repair Process
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Initial Survey
• Conduct site survey to
identify necessary repairs
• Check groundwater level
to see if same as in sump
• May require water
pumpout
• Take necessary
measurements
• Perform testing as
necessary to identify leaks
• Determine best repair
options
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Safety – O2/LEL Meter Readings
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Initial Cleanup
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Preparation / Powerwashing
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Clean and Dry – Ready to Repair
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Paste and Retrofit Cover
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Paste and Retrofit Cover
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Install support ring and gasket
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Paste and Retrofit Cover
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Dispenser Boots – Inspections
• From Proposed Federal Regulation- dispenser sumps with continuous
interstitial monitoring, check for a leak in the interstitial area
• CA Guidance Letter March 1, 2013 - To provide for the detection of a
leak at the “earliest possible opportunity,” test boots and/or reducer
fittings in the UDC of piping runs that are monitored for leaks by use of
sloping the piping back to a monitored sump may stay on in any
position. Piping runs that connect one UDC to another UDC must have
the test boots and/or reducer fittings located in both UDCs either: 1)
pulled back and off; or 2) oriented so that the test boot’s and/or reducer
fitting’s port is in the downward position (located between the three and
nine o’clock positions), uncapped, and with the valve stem capable of
allowing for drainage so that a leak from the product piping can be
detected ---
http://www.swrcb.ca.gov/ust/tech_notices/boots_030113.pdf
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Boots – Best Practices
Know your style……
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Boot Inspection – DW FRP STP
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Boot Inspection – DW Flex STP
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Boot Inspection – DW Flex STP
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Piping Entry Boot and Test Boot
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Split Boot & Penetration Repair
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Sump Lid Problems?
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Sump Shield Retrofit Lid
Manufactured by Environmental Containment Products (was Environmental Protection Products – EPP)
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Sump Shield
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Summary
• A defined and disciplined inspection program is first line of defense in assessing sump and spill containment
• Periodic testing of secondary containment systems provides functional verification
• There are several cost effective options/methods for repairing or restoring leaking sumps
• Replacement parts/components are widely available • Regulatory focus is certain to increase in the future