jfta environmental solutions · eit report_raaf tindal_070509_rev3 page 5 of 38 issue: final may...

JFTA Environmental Solutions Equipment Integrity Test & Inspection Report

RAAF Base Tindal Katherine NT

ENSR

October 28th 2008

# 700387

FOI 463/17/18 Item 9 Serial # 6

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EIT Report_RAAF Tindal_070509_Rev3 Page 1 of 38 Issue: Final May 2009_Rev3 JFTA Project Ref: #700387

Table of Contents

1 INTRODUCTION ........................................................................................................................................ 2

1.1 OVERVIEW ............................................................................................................................................. 2 1.2 SCOPE OF WORK .................................................................................................................................... 2 1.3 EQUIPMENT INTEGRITY TESTING CRITERIA (ALERT EIT SYSTEM) ........................................................ 3 1.4 INTEGRITY TEST US EPA PERFORMANCE (ALERT EIT SYSTEM) .......................................................... 3

2 EQUIPMENT INTEGRITY TEST RESULTS ......................................................................................... 3

2.1 LINE TEST RESULTS (PRODUCT LINES) ................................................................................................... 3 2.2 TANK TEST RESULT – UNDERGROUND PRODUCT STORAGE SYSTEMS (UPSSS) .................................... 4

3 FIELD WORK.............................................................................................................................................. 4

3.1 TANK LISTING & WORK SCOPE ...................................................................................................................... 5

4 EQUIPMENT INTEGRITY TESTING DATA ......................................................................................... 5

4.1 ............................................................................................................................ 6 4.2 ............................................................................................................................ 7 4.3 ............................................................................................................................ 8 4.4 ............................................................................................................................ 9 4.5 .......................................................................................................................... 10 4.6 .......................................................................................................................... 11 4.7 TANK #052 WASTE AVTUR.................................................................................................................. 12 4.8 .......................................................................................................................... 13 4.9 .......................................................................................................................... 14

5 TANK INSPECTIONS .............................................................................................................................. 15

5.1 TANK #039 WASTE WATER ................................................................................................................. 15 5.2 TANK #040 WASTE WATER ................................................................................................................. 16 5.3 TANK #064 PHOTOGRAPHIC WASTE .................................................................................................... 17 5.4 TANK #065 PHOTOGRAPHIC WASTE .................................................................................................... 18 5.5 TANK #066 PHOTOGRAPHIC WASTE .................................................................................................... 19 5.6 TANK #067 WASTE WATER ................................................................................................................. 20 5.7 TANK #068 WASTE WATER ................................................................................................................. 21 5.8 TANK #070 WASTE PRODUCT/WATER ................................................................................................. 22 5.9 TANK #072 WASTE PRODUCT/WATER ................................................................................................. 23 5.10 TANK #079 TRIPLE INTERCEPTOR TRAP............................................................................................... 24 5.11 TANK #080 TRIPLE INTERCEPTOR TRAP............................................................................................... 25

7 RECOMMENDATIONS ........................................................................................................................... 26

8 LIMITATIONS........................................................................................................................................... 27

APPENDICES ...................................................................................................................................................... 28

APPENDIX 1. - EQUIPMENT PHOTOS.................................................................................................................... 28 APPENDIX 2. - JFTA PROPOSAL.......................................................................................................................... 32


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EIT Report_RAAF Tindal_070509_Rev3 Page 2 of 38 Issue: Final May 2009_Rev 3 JFTA Project Ref: #700387

1 Introduction

1.1 Overview

JFTA Environmental Solutions was commissioned by ENSR Australia to undertake Equipment Integrity Testing (EIT) of twenty-one (21) Underground Product Storage Systems (UPSSs) installed at the RAAF Base Tindal, Katherine, NT. The objective was to assess the integrity of the UPSS’s including associated pipe work.

The EIT works were carried out using the Alert Technologies Precision Tank Testing systems and Acurite Line Testing system in accordance with the current manufacturers testing protocols, AS1940-2004 The Storage and Handling of Flammable and Combustible Liquids, AIP CP4-2002 The Design, Installation & Operation of Underground Petroleum Storage System and in compliance with US EPA regulation 40 CFR Part 280.

1.2 Scope of Work

The following works were carried out as per JFTA’s proposal. Ref NTKR8 dated 4th August 2008.

• Project Management, OHSE Work Plan, etc;

• Site establishment of plant & equipment including inductions;

• Provision of safety equipment & PPE including barricades, signs, fire ext, signs, etc;

• Prepare UPSS’s for testing including fitting test risers as required;

• Conduct Equipment Integrity Testing (EIT) to twenty-one (21) UPSS’s using Alert 1050 Ullage & Alert 1000 Underfill testing methods;

• Conduct Acurite Line testing of product lines;

• Provide detailed report of EIT findings & any recommendations.

The project was carried out in two separate phases of work.

1st Phase – Site Survey (Stage 1 as per proposal) to inspect & assess infrastructure & determine requirements for access, preparations & testing. During this phase of work it was determined that eleven of the twenty-one tanks were various types of waste liquid treatment or holding tanks constructed from various materials including concrete, plastic and PVC. The integrity of these systems could not be assessed using the Alert EIT systems due to various design constraints with the systems. During the 2nd Phase of work, JFTA prepared a proposal detailing an alternative method of assessing the integrity of these tanks by cleaning, visual inspection & Closed-Circuit Television (CCTV) inspection of connecting pipe work to meet the intent of the testing project.

2nd Phase – Preparation & Testing (Stage 2 & 3 as per proposal). The level of preparation required to conduct EIT works was determined during the Site Survey. The level of preparation is detailed in the JFTA proposal as noted above. Refer to section 3.1 Tank Listing & Work Scope of this report for brief details of works undertaken.


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EIT works using the Alert Technologies testing systems were carried on ten (10) UPSS’s & associated pipe work. Ie. Underground Storage Tanks (USTs) designed for the storage of flammable or combustible liquids, constructed to AS1692 Tanks for Flammable & Combustible Liquids & installed as per AS1940 The Storage & Handling of Flammable & Combustible Liquids.

Assessment & inspection works were carried out to eleven (11) various waste water treatment &/or holding tanks &/or pits. These assessment works involved removal & disposal of liquids, internal pressure-wash & cleaning, internal inspection of pipe work using piping CCTV system & visual inspection to assess the condition and suitability of the storage & treatment systems.

1.3 Equipment Integrity Testing Criteria (Alert EIT System)

The adopted criteria for determining a “Pass” or “Fail” of an integrity tank test as per AIP CP4-2002 The Design, Installation & Operation of Underground Petroleum Storage System, Section 8.5.1 are +/- 0.390 Litres per hour (0.10 US Gal). The adopted line test criteria are +/- 0.095 Litres per hour. (0.025 US Gal)

1.4 Integrity Test US EPA Performance (Alert EIT System)

The Alert EIT method which incorporates both the Alert 1000 Underfill Test and Alert 1050 Ullage Test (pressure &/or vacuum) is capable of detecting a leak of 375ml per hour (0.10 US gallons) with a probability of detection [P(D)%] of 99.6% and probability of false alarms [P(FA)%] of 0.04%.

The Acurite product line test is capable of detecting a leak of 375ml per hour (0.10 US gallons) with a probability of detection [P(D)%] of 100%.

2 Equipment Integrity Test Results

2.1 Line Test Results (product lines)

Note: Pipe line identification as nominated by JFTA. Tank identification as per above. The above table summarises the results of the individual Acurite line tests carried out on the above mentioned site.


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2.2 Tank Test Result – Underground Product Storage Systems (UPSSs)

Note: Tank identification numbering is as per supplied by client documentation. The above table summarises the results of the Alert tank integrity testing carried out on the above mentioned site. Refer to section 4 Equipment Integrity Testing Data supplied in this report.

3 Field Work

The remaining eleven (11) “tanks” were identified as various waste water holding tanks, treatment tanks or concrete oil/water separators. The materials of construction varied for these types of installations and are not suitable to be tested using any of the Alert EIT methods for various reasons. JFTA carried out an approved alternate scope of works for assessing the integrity of these systems. These assessment works involved removal & disposal of liquids, internal pressure-wash & cleaning, internal inspection of pipe work using piping CCTV system & visual inspection to assess the condition and suitability of the storage & treatment systems.

Stages 2 & 3. were carried out simultaneously from 13th to 23rd October. Refer to Section 5. of this report for details of the inspections carried out to the various waste water tanks.


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3.1 Tank Listing & Work Scope

List of Tanks & Test & Inspection Works Conducted

1 UST_001 UPSS A Alert EIT2 UST-003 UPSS A Alert EIT3 UST_007 UPSS B Alert EIT4 UST_042 UPSS A Alert EIT5 UST_044 UPSS A Alert EIT6 UST_047 UPSS A Alert EIT7 UST_048 UPSS A Alert EIT8 UST_052 UPSS B Alert EIT9 UST_056 UPSS A Alert EIT

10 UST_062 UPSS C Alert EIT

11 UST_039 WWT P&VI CCTV 12 UST_040 WWT P&VI CCTV 13 UST_064 WWT P&VI CCTV 14 UST_065 WWT P&VI CCTV 15 UST_066 WWT P&VI CCTV 16 UST_067 WWT P&VI CCTV 17 UST_068 WWT P&VI CCTV 18 AST_071 WWT P&VI CCTV 19 UST_072 WWT P&VI CCTV 20 UST_079 WWT P&VI CCTV 21 UST_080 WWT P&VI CCTV

Testing Conducted

Underground Tank ID No.

Tank Type

Prep Level

UPSS = Underground product Storage System EIT = Equipment Integrity Test WWT = Waste Water Tank CCTV = Closed Circuit Television

4 Equipment Integrity Testing Data

The follow equipment integrity testing data has been extracted from the Alert Technologies computer software for the individual tests carried out as listed above in section 2.1 Tank Test Results.


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4.7 Tank #052 Waste Avtur

Ullage 1050 Test


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5 Tank Inspections

5.1 Tank #039 Waste Water

Tank No: #039 Building No: Environmental Health Location: Environmental Health Application: Combines with Tank

#040 – wash water treatment system.

Contents: Waste wash water Capacity: 4,000 litres each Dimensions 1.8m diameter x 1.6m deep Materials of Construction:

Tank: Concrete, vertical cylinder Lid: Mild steel Piping: PVC Other: Ground Cover:

Grassed area with concrete pad over tanks

Pit Cover: Round steel cover plate

CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Nil. Steel on concrete.

Tank Connections:

Video of pipe line connection at tank reveals grass roots inside pipe near tank connection.

Other:

Pipe Lines: (1) Drain line from wash bay to tank (2) (3)

Devices Fitted:

Level sensor (assumed to be high level device)

Observations & Comments: Tank #039 is connected to Tank #040 (side by side) via PVC pipe. Tank #039 is the receiving tank from the wash down bay. Both tanks combine as simple flooded separator system prior to water discharging to storm water. Following internal inspection of the tank, it appears that plant roots have tapped through a concrete joint & are visible inside the tank. The inlet drain line was also observed by CCTV to have been penetrated by plant roots growing inside the pipe line. Note.It appears that the concrete joint inside Tank #040 has previously been sealed. Conclusions & Recommendations:

1. Clean & rectify plant roots penetrating into the tank. 2. Clean & rectify pipe line connection at tank where grass roots were identified via CCYV

Inspection. 3. Confirm purpose of level sensor. 4. Assess suitability of intended operation of Tanks #039 & #040 with regards to appropriate

level of treatment of wash water prior to discharge. 5. Conduct regular maintenance of complete wash down facility. Ie from source to discharge.


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Tank No: #040 Building No: Environmental Health Location: Environmental Health Application: Combines with Tank

#039 – wash water treatment system

Contents: Waste wash water Capacity: 4,000 litres each Dimensions 1.8m diameter x 1.6m deep Materials of Construction:

Tank: Concrete, vertical cylinder Lid: Mild steel Piping: PVC Other: Ground Cover:

Grassed area with concrete pad over tanks

Pit Cover: Round steel cover plate


Tank Connections:

Appear to be OK. (Note issue with Tank #039)

Other:

Pipe Lines: (1) Connecting pipe line (2) Discharge to storm water (3)

Devices Fitted:

Nil

Observations & Comments: Tank #040 is connected to Tank #039 (side by side) via PVC pipe. Tank #040 receives liquids from Tank #039 & discharges to storm water. The tanks combine as simple flooded separator system prior to water discharging to storm water. The tank appears to be in good condition with no obvious signs of leaks. Conclusions & Recommendations: Same as per Tank #039

1. Assess suitability of intended operation of Tanks #039 & #040 with regards to appropriate

level of treatment of wash water prior to discharge. 2. Conduct regular maintenance of complete wash down facility. Ie from source to discharge.


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5.3 Tank #064 Photographic Waste

Tank No: #064 Building No: Photographic Waste Location: Photographic waste Application: Combines with Tanks

#065 & #066 – waste holding tanks

Contents: Waste chemical/water Capacity: 12,000 litres Dimensions 1.6m deep x 6.0m long x 1.35m wide Materials of Construction:

Tank: Concrete, rectangular Lid: Steel Piping: 100mm PVC Other: Concrete tanker pad Ground Cover:

Dirt area with concrete pad over tanks Pit Cover: Concrete


Tank Connections:

Appear to be OK. Other:

Pipe Lines: (1) 100mm PVC extraction/fill line (2) (3)

Devices Fitted:

Float switch (overfill alarm). Reportedly not working at the time of inspection.

Observations & Comments: Tanks #064 #065 & #066 are compartments of the same concrete rectangular tank unit. The tank is fitted with a 100mm PVC extraction &/or filling pipe. The condition of the tank appears to be very good with no obvious signs of leaking.

Conclusions & Recommendations: 1. Assess & rectify apparent fault with overfill alarm system.


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Tank No: #065 Building No: Photographic Waste Location: Photographic Waste Application: Combines with Tanks

#064 & #066 – waste holding tanks


Tank: Concrete, rectangular Lid: Steel Piping: 100mm PVC Other: Concrete tanker pad

Ground Cover: Dirt area with concrete pad over tanks Pit Cover: Concrete CCTV Inspection:

Pipe Joins: Appear to be OK Lid Seals: Nil. Steel on concrete. Tank

Connections: Appear to be OK. Other:


Devices Fitted: Float switch (overfill alarm). Reportedly not working at the time of inspection. Observations & Comments: Tanks #064 #065 & #066 are compartments of the same concrete rectangular tank unit. The tank is fitted with a 100mm PVC extraction &/or filling pipe. The condition of the tank appears to be very good with no obvious signs of leaking.

Conclusions & Recommendations: (as per Tank #064) 1. Assess & rectify apparent fault with overfill alarm system.


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Tank No: #066 Building No: Photographic Waste Location: Photographic Waste Application: Combines with Tanks

#064 & #065 – waste holding tanks.


Tank: Concrete, rectangular Lid: Steel Piping: 100mm PVC Other: Concrete tanker pad Ground Cover:

Dirt area with concrete pad over tanks Pit Cover: Concrete


Tank Connections:



Devices Fitted:

Float switch (overfill alarm). Reportedly not working at the time of inspection.

Observations & Comments: Tanks #064 #065 & #066 are compartments of the same concrete rectangular tank unit. The tank is fitted with a 100mm PVC extraction &/or filling pipe. The condition of the tank appears to be very good with no obvious signs of leaking.

Conclusions & Recommendations: (as per Tank #064) 1. Assess & rectify apparent fault with overfill alarm system.


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Tank No: #067 Building No: AME Building Location: AME Building Application: Waste Holding tank Contents: Waste wash water Capacity: 3,000 litres Dimensions 2.0 deep x 1.4m diam (tapered upper section) Materials of Construction:

Tank: Fibreglass Lid: Plastic Piping: 100mm PVC Other: Ground Cover:

Grassed area with small concrete pad over tank

Pit Cover: Missing

CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Plastic cover with

screws Tank


Pipe Lines: (1) 100mm PVC drain line (2) 100mm PVC (blanked off 1m from tank, below ground. (3)

Devices Fitted:

Nil

Observations & Comments: Tank appears to be non-standard installation. It is believed that the influent entering the tank is typically a combination of wash down waters from the concrete bund area & water from periods of heavy rain entering the undercover area. Due to the method of installation it cannot be determined with any certainty if the tank is sealed & retains the liquids collected. A ground level cover plate appears to be missing for the tank. The existing tank penetration cover is lightweight & would not support a person walking on this. A purpose-built cover would need to be fabricated. Note. The area above the tank has 4 bollard poles & is currently barricaded using red & white striped barrier tape. Conclusions & Recommendations:

1. Fabricate & fit a Class A (pedestrian) cover plate 2. Conduct risk assessment on the environmental impact should a release of liquids occur.

Based on findings, consider replacement of underground system. 3. Consider installation of over-fill alarm. 4. Conduct regular maintenance of facility.


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Tank No: #068 Building No: 540 Location: Rear AME Building Application: Water treatment tank Contents: Waste wash water Capacity: 2,500 litres Dimensions 1.6 deep x 1.5m diam (domed upper section) Materials of Construction:

Tank: Plastic Lid: Round Plastic Piping: 100mm PVC Other: Ground Cover:

Grassed area Pit Cover: Nil

CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Plastic cover with

screws Tank


Pipe Lines: (1) 100mm PVC drain line (2) 100mm PVC (blanked off 1m from tank, below ground. (3)

Devices Fitted:

Nil

Observations & Comments: Tank appears to be a plastic interceptor tank with divider. Wash water from the workshop flow to a pre-pit before passing through to Tank #068 . The discharge from the tank flows through to a sewer system. The condition of the tank appears to be good with no obvious signs of leaking.

Conclusions & Recommendations: 1. Conduct risk assessment on the environmental impact should a release of liquids occur.

Based on findings, consider replacement. 2. Consider installation of over-fill alarm. 3. Conduct regular maintenance of facility.


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5.8 Tank #070 Waste Product/Water

Tank No: #070 Building No: 75 Squadron

Flammable Store Location: 75 Squadron Flammable store Application: Treatment tank Contents: Waste product/water Capacity: 1,300 litres Dimensions 1.2 deep x 1.2m diam (domed upper section) Materials of Construction:

Tank: Plastic Lid: Steel square lid Piping: 100mm PVC Other: Ground Cover:


CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals:

Tank Connections:


Pipe Lines: (1) 100mm PVC drain line (2) 100mm PVC discharge to sewer (3)

Devices Fitted:

High level sensor

Observations & Comments: Tank appears to be a plastic tank with inlet pipe from drum store & waste discharge to sewer system. Captured liquids from the workshop flow into Tank #070 and discharge to sewer. Due to the method of installation it cannot be determined with any certainty if the tank is sealed & retains the liquids collected. Conclusions & Recommendations:

1. Conduct risk assessment on the environmental impact should a release of liquids occur.

Based on findings, consider replacement. 2. Conduct regular maintenance of facility.


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5.9 Tank #072 Waste Product/Water

Tank No: #072 Building No: Paint Shop Location: Paint Shop Application: Holding Tank Contents: Waste product/water Capacity: 7,000 litres Dimensions 2.8m diam x 2.7m deep (vertical cylinder) Materials of Construction:

Tank: Concrete Lid: Concrete filled cast iron frame. (gatic)

Piping: 100mm PVC Other: Ground Cover:


CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Tapered iron to iron

Tank Connections:


Pipe Lines: (1) 100mm drain (2) (3)

Devices Fitted:

High level sensor (float switch)

Observations & Comments: Tank appears to be in good condition with no obvious indications of leaking. Captured liquids from the paint shop sump are pumped into Tank #072 for storage till collected via waste tanker.

Conclusions & Recommendations: 1. Conduct regular maintenance of facility.


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5.10 Tank #079 Triple Interceptor Trap

Tank No: #079 Building No: Flammable Store Location: East of Flammable Store Application: Triple Interceptor Trap

(T.I.T) Contents: Waste product/water Capacity: 1,300 litres Dimensions 0.62 wide x 1.4m deep x 1.6m long Materials of Construction:

Tank: Concrete Lid: Concrete lid Piping: 100mm PVC Other: Ground Cover:

stones Pit Cover: Nil

CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Concrete lid on frame

Tank Connections:


Pipe Lines: (1) 100mm drain inlet (2) 100mm discharge (3)

Devices Fitted:


Observations & Comments: T.I.T appears to be in good condition with no obvious indications of leaking. Liquids spilled inside drum store flow into T.I.T. Treated water is discharged to sewer.



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5.11 Tank #080 Triple Interceptor Trap

Tank No: #080 Building No: Flammable Store Location: West of Flammable Store Application: Triple Interceptor Trap

(T.I.T) Contents: Waste product/water Capacity: 1,300 litres Dimensions 0.62 wide x 1.4m deep x 1.6m long Materials of Construction:

Tank: Concrete Lid: Concrete lid Piping: 100mm PVC Other: Ground Cover:

stones Pit Cover: Nil

CCTV Inspection: Pipe Joins: Appear to be OK Lid Seals: Concrete lid on frame

Tank Connections:


Pipe Lines: (1) 100mm drain inlet (2) 100mm discharge (3)

Devices Fitted:


Observations & Comments: T.I.T appears to be in good condition with no obvious indications of leaking. Liquids spilled inside drum store flow into T.I.T. Treated water is discharged to sewer.



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7 Recommendations

JFTA Environmental Solutions recommend the following:

With regards to results obtained from Alert EIT works;

• Nil

With regards to on-going use as Underground Product Storage System (UPSS);

• Consider incorporating future Equipment Integrity Testing (EIT) as a component of UPSS management plans

With regards to findings of visual assessment & CCTV inspections;

• Refer to below table and individual reports in Section 5.

With regards to on-going use as Waste Water Tanks (WWTs);

• Conduct a risk assessment of the various installations & determine if facilities are “fit for purpose”

Tank ID Product Capacity Location Recommendation

Tank #039

Tank #040

Waste wash water

4,000 Litres

4,000 Litres

Environmental Health Tanks

1. Clean & rectify plant roots penetrating into the tank.

2. Clean & rectify pipe line connection at tank where grass roots were identified via CCYV Inspection.

3. Confirm purpose of level sensor. 4. Assess suitability of intended operation of

Tanks #039 & #040 with regards to appropriate level of treatment of wash water prior to discharge.

5. Conduct regular maintenance of complete wash down facility. Ie from source to discharge.

Tank #064

Tank #065

Tank #066

Waste chemical/

water

12,000 Litres

7,000 Litres

7,000 Litres

Photo –graphic waste

1. Assess & rectify apparent fault with overfill

alarm system.

Tank #067

Waste wash water

3,000 Litres AME Building

1. Fabricate & fit a Class A (pedestrian) cover

plate 2. Conduct risk assessment on the

environmental impact should a release of liquids occur. Based on findings, consider replacement of underground system.

3. Consider installation of over-fill alarm. 4. Conduct regular maintenance of facility.


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Tank ID Product Capacity Location Recommendation

Tank #068

Waste wash water

2,500 Litres Rear of AME Building

1. Conduct risk assessment on the environmental impact should a release of liquids occur. Based on findings, consider replacement.

2. Consider installation of over-fill alarm. 3. Conduct regular maintenance of facility.

Tank #070

Waste product/

water 1,300 Litres

75 Squadron Flammable

store

1. Conduct risk assessment on the environmental impact should a release of liquids occur. Based on findings, consider replacement.

2. Conduct regular maintenance of facility.

Tank #072

Waste product/

water 7,000 Litres Paint shop 1. Conduct regular maintenance of facility.

Tank #079

Waste product/

water 1,300 Litres

East of flammable

store


Tank #080

Waste product/

water 1,300 Litres

West of flammable

store


8 Limitations

JFTA Environmental Solutions has performed the services of the project in accordance and with applicable the limits of current industry guidelines, standards, regulations and protocols.

The information contained in this document produced by JFTA Pty Ltd is solely for the use of the above mentioned client for the purpose for which it has been prepared and JFTA Pty Ltd undertakes no duty to or accepts any responsibility to any third party who may rely upon this document. All rights reserved. No section or element of this document may be removed from this document, reproduced, electronically stored or transmitted in any form without the written permission of JFTA Pty Ltd.

Equipment Integrity Test Report


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Appendices

Appendix 1. - Equipment Photos

Tank Identification numbering as per information supplied by client to JFTA.


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Appendix 2. - JFTA Proposal

Ref: NTKR8

Senior Environmental Scientist HLA ENSR Suite 3, 17-19 Lindsay Street Darwin NT 0800

RE: BASE RAAF TINDAL – KATHERINE NT Dear , In response to ENSR Australia’s recent request, JFTA have prepared the following proposal for conducting Equipment Integrity Testing (EIT) works to Underground Product Storage Systems (UPSS’s) at the RAAF Base Tindal. The proposal summarises the potential scope of work required to conduct these works & a schedule of rates for any additional works should this be required. Preliminary

In order to conduct EIT works to the UPSS’s it is likely that a level of preparation works will be required prior to performing integrity testing. From the information provided which includes a list of twenty one (21) tanks and photos of each of the tanks, as requested JFTA have prepared the following proposal which lists the assumptions for preparations and integrity testing. The preparation works have been separated into 3 levels and are described in more detail below.

JFTA propose to conduct these works in 3 stages as follows;

A. Site Survey: Conduct a Site Survey of all the UPSS’s prior to EIT works to confirm UPSS details, conduct pipe & cable locations & prepare a schedule for the works to be completed.

B. Preparations: Carry out the nominated level of preparation works to the UPSS’s to enable testing access. Reinstatement of the systems on completion.

C. Equipment Integrity Testing: Carry out EIT work to UPSS’s. Reporting including any recommendations relating to the UPSS’s.

Site Safety

JFTA would prepare a detailed site-specific Safe Work Plan (SWP) for the site to identify potential hazards and ensure that appropriate control measures are implemented. JFTA staff are AIP and Major Oil Company (MOC) Permit system trained. Works will be in accordance with JFTA Safe Work Permit, JFTA Safe Work Instructions (SWI’s) and industry practice. JFTA will participate in a client/site operator delivered induction including any site specific permitting processes etc required. We would employ any JFTA permits as necessary in lieu of any site specific or client permitting system.


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Estimated Scope of Works

1. Site Survey

• Preliminary preparations including Project Management, OHSE Work Plan etc

• Site Survey of underground product storage tanks, including pipe & cable location inspections

• Complete JFTA Tank Test Proforma for each UPSS including inspection of associated infrastructure, i.e. pumps, pipe line outlets/inlets, day tanks, vents, fills/dips, devices etc, product type/levels & any relevant information

2. Preparations

The following three (3) levels of preparation have been assumed to be required in order to conduct the EIT works. The following table nominates the assumed preparation for each tank for the purpose of providing an estimated total of cost for the EIT project.

3. Equipment Integrity Testing (EIT)

• Install/connect testing equipment to UPSS

• Conduct Equipment Integrity Testing (EIT) to each UPSS’s using Alert 1000 Underfill &/or Alert 1050 Ullage testing methods. Refer to following list of tanks nominated for EIT works.

• Conduct Acurite &/or Petro-Tite Line testing of product lines (suction or pressure lines) Assume 1 line per UPSS.

• Provide detailed final report of all UPSS’s including finding & any recommendations

Tank Testing Method

The tanks shall be tested using the Alert Technologies 1050 Ullage &/or Alert 1000 Underfill Test methods. Alert Systems are accredited by an independent third party as per US EPA evaluation criteria.


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The Alert Ullage System “listens” for leaks and determines through software analysis the rate of leakage in the ullage space. The leak is determined completely through software analysis and not subject to interpretation. Underground tanks in most circumstances can also be tested completely empty which provides great flexibility for testing tanks suspected of leaking, are disused or contain unsuitable liquids for testing i.e. Waste oils, aggressive products etc

The Alert 1000 Underfill System is a mass based system for measuring tank leakage. It uses a patented mass measurement technique using the buoyancy force measurement of a displacement probe. Changes in buoyancy force are directly related to changes in the mass of product in the tank. Measuring mass change eliminates the need for correcting for product temperature expansion and contraction.

Please refer to additional technical information provided with this proposal for more information.

Estimated Price Per Tank:

Our estimated price per tank based on the information provided by ENSR Australia including the photographs is detailed below. The scope of work will be confirmed following the site Survey.


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Notes

1. As an observation, from the photo supplied, UST_042 & UST_044 is possibly only 1 tank, i.e. as per UST_056. We have allowed for 2 tanks as requested.

2. We have made an allowance for testing AST_071 as an aboveground storage tank as shown. It is not expected that any preparation works would be required if the AST requires testing.

3. In the absence of a photo or any additional information relating to UST_062, we have assumed Level C preparation is required.

4. On receipt of an instruction to proceed, JFTA would, in consultation with the client prepare a preliminary project schedule for the Stage 1. Site Survey. Following the completion of the Site Survey JFTA would provide a complete project schedule including confirmation of the levels of preparation required for each tank & determine the most efficient method for integrity testing.

5. JFTA would consult with client on the optimum liquid levels required in the USTs to conduct the tests. Waste oil tanks are required to be emptied for testing. JFTA can carry out this work as per schedule of rates.

6. A failed test result may require additional investigation works to determine the cause of the failure. Ie failure due to unexposed tank top fittings or tank shell. Any additional investigation or repair works would be charged as per schedule of rates or a price submitted & approved by the client prior to proceeding.

7. Additional rectification works may be required in order to conduct EIT such as un-isolated disused lines, leaking tank gauges/devices etc. It is envisaged that Site Survey will identify the key issues.

8. JFTA would seek approval for any additional works outside of the scope of works prior to proceeding.

Reporting

JFTA can evaluate the data and prepare a preliminary report within 24 hrs for each UPSS via fax or email. JFTA will also prepare a comprehensive final report for issue & where appropriate, comment and recommend appropriate recommendations to meet the client’s objectives for the site. JFTA can include additional information as required by the client including dimensions etc. Please refer to sample test report submitted with this proposal.

Schedule of Rates

The following schedule of rates (excluding gst) may apply for any additional works as approved by the client.


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Exclusions

1. Non-standard isolation works or repairs to enable test to be conducted.

2. Work out of hours.

3. Isolation or removal or pumps or equipment not stated in the scope of works.

4. Disposal of any contaminated materials or liquids.

5. Supply of product to carry out tests.

6. Down-time associated with an event(s)outside of JFTA’s control. Ie Site exercise, inclement weather etc

Payment Terms

30 days from date of invoice Validity

30 days from date of proposal.

Works Schedule

These works are expected to be completed in 15 working days as described in the scope of works. JFTA would typically be available to commence works within 4 weeks upon on receipt of suitable written authorisation to proceed. Details of Key Staff

The following list of key JFTA staff nominated for the roles as shown which may change depending on the timing of the project.

Staff Member Project Role Project Scoping & Technical Advice

Snr Project Manager

Site Foreman/Fitter

Snr Tank Test Technician

Tank Test Assistant/Fitter




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JFTA appreciate the opportunity to provide you with our proposal for these works and we look forward to working with you on this project. If you have any questions or comments concerning this proposal, please do not hesitate to contact the undersigned at (03) 9399 4088. Sincerely,

JFTA Environmental Solutions

National Technical Manager Sales Manager Vic/Tas


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jfta environmental solutions · eit report_raaf tindal_070509_rev3 page 5 of 38 issue: final may...

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