Transcript
Page 1: Secondary Containment & Spill Buckets Inspection, Testing ... · PDF fileSecondary Containment & Spill Buckets – Inspection, Testing, ... storage tank (UST) owners ... Inspection

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

Page 23: Secondary Containment & Spill Buckets Inspection, Testing ... · PDF fileSecondary Containment & Spill Buckets – Inspection, Testing, ... storage tank (UST) owners ... Inspection

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

Page 53: Secondary Containment & Spill Buckets Inspection, Testing ... · PDF fileSecondary Containment & Spill Buckets – Inspection, Testing, ... storage tank (UST) owners ... Inspection

Thank you …

Allen PorterPresident & CEO

480-948-7194

[email protected]


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