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Guidelines for the four major components of petroleum work including Aboveground storage tanks, Underground storage tanks, Leak and spill prevention & Piping and fittings

CANADIAN PETROLEUM CONTRACTORS ASSOCIATION RECOMMENDED PRACTICES VERSION 3-2011     ONTARIO PETROLEUM CONTRACTORS ASSOCIAT...
Member Associations  Alberta Petroleum Storage Systems Contractors Association  British Columbia Petroleum Contractors Ass...
TABLE OF CONTENTS Terms of Use ...........................................................4 Acknowledgements ................
Terms Of Use Disclaimer Although the information and recommendations in this manual are presented in good faith and believ...
ACKNOWLEDGEMENTS The OPCA gratefully acknowledges the following individuals and companies who contributed to this manual. ...
CONTACT INFORMATION Canadian Petroleum Contractors Association Toll Free 1-866-360-6722 Web  www.cpcaonline.com Email  inf...
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LEAK   SPILL PREVENTION TABLE OF CONTENTS GENERAL REQUIREMENTS ..................................9 UST SYSTEMS...............
GENERAL LEAK AND SPILL PREVENTION REQUIREMENTS Aboveground and Underground storage tank systems at all facilities should h...
UNDERGROUND STORAGE TANK SYSTEMS Refer to the Piping   Fittings section of this manual for installation practices. The int...
SENSORS Liquid discriminating sensors are recommended for sumps. If fluid is detected in a sump, the minimum action is to ...
ABOVEGROUND STORAGE TANK SYSTEMS 1  Farm Tanks, Utility Tanks and Horizontal Tanks up to 5,000 Litres All aboveground tank...
FILL POINTS For a tight fill               must have a drop tube, must have a spill containment device, must have an overf...
ANTI-SIPHON VALVES If a remote dispenser is used, the product suction is to be piped from a bung on the top of the horizon...
2  Horizontal and Vertical Tanks over 5,000 Litres Tanks over 5,000 litres are to have either a drop tube or a filling con...
Fill points must have spill prevention       in-line spill savers to empty the delivery hose,       check valves, which ca...
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CPCA RECOMMENED PRACTICES    ONTARIO PETROLEUM CONTRACTORS ASSOCIATION  Version 3-2011
UST GENERAL REQUIREMENTS TABLE OF CONTENTS  UST PROJECTS.........................................................20  GENER...
UNDERGROUND STORAGE TANK PROJECTS These procedures outline the operations required for installation, removal and decommiss...
GENERAL UST PROJECT REQUIREMENTS 1  Project Familiarization Site Reconnaissance The project supervisor must examine the si...
Diagram not to scale, for illustration purposes only  Project drawings for new to industry sites and old drawings of exist...
2  Obtain Utility Locates It is essential that utilities in the work area be identified and located. This may involve loca...
3  Hazard Evaluation The safety of site personnel and the general public must be paramount. Hazards to be evaluated includ...
4  Site Safety Meeting Before any on-site work starts, a safety meeting with all workers should be held. Safe Work Permits...
6  Site Control UST installation and removal invariably attracts    interested    observers. Unauthorized personnel and no...
7  Environmental Assessments According to regulation, most provincial regulators, the Ministry of the Environment and appl...
CPCA RECOMMENED PRACTICES    ONTARIO PETROLEUM CONTRACTORS ASSOCIATION  Version 3-2011
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CPCA RECOMMENED PRACTICES    ONTARIO PETROLEUM CONTRACTORS ASSOCIATION  Version 3-2011
UNDERGROUND STORAGE TANK INSTALLATION TABLE OF CONTENTS  UST INSTALLATION ............................................... ...
UNDERGROUND STORAGE TANK INSTALLATION 1   Planning the Excavation  The type of soil to be removed from the tank excavation...
Planning the excavation In rural areas, check for drilled wells  15 metres from USTs  and dug wells  30 metres from USTs  ...
2  Size the Excavation USTs must be at least      1 metre  3 feet  from a building  however, the load carried by the build...
Size the excavation There must be 0.3 meters  1 foot  of the bedding material recommended by the manufacturer in the botto...
3  UST Handling Inspect the UST for damage to the external shell. Check the manufacturer   s installation directions for d...
UST Handling Lift the UST with the lifting lugs.      The angle between the vertical and the one side of the chain or cabl...
4  UST Placement Remove the temporary plugs and thread protectors and replace with metal plugs. Verify the vacuum reading ...
UST Placement The tank has to be checked to verify that it is level. The worker who gets on the top of the tank to do the ...
UST Placement It is critical that the lower quarter of the UST be firmly supported. The approved backfill must be put in p...
UST Placement When workers are in the excavation placing the backfill, this may be considered a confined space requiring t...
5  Ballasting the UST Ballast, either water or product, can not be added until the backfill is past the midline of the tan...
6  Final Steps Leak test the tank and interstitial space. Place all sumps, fittings, product and vent piping, electrical, ...
CPCA RECOMMENED PRACTICES    ONTARIO PETROLEUM CONTRACTORS ASSOCIATION  Version 3-2011
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CPCA Recommended Practices    Ontario Petroleum Contractors Association  Version 3-2011
UNDERGROUND STORAGE TANK REMOVAL TABLE OF CONTENTS  VAPOUR MANAGEMENT..........................................48 Tank Pur...
1  VAPOUR MANAGEMENT Flammable vapours can be removed from the UST by either purging or inerting.  A   PURGING Purging is ...
Purging a UST using a forced air system Oklahoma Corporation Commission Petroleum Storage Tank Division UST Removal Guideb...
VAPOUR MANAGEMENT Tank Purging  Purging a UST using an eductor type air mover Oklahoma Corporation Commission Petroleum St...
VAPOUR MANAGEMENT Tank Purging Procedures Dry Ice method - 1 kg per 500 litres or 1.7 lbs per 100 USg of tank storage capa...
VAPOUR MANAGEMENT Toxic and flammable vapours may be released from several sources during tank removal                   D...
2  WASTE MANAGEMENT Impacted soil and water may be encountered. The supervisor should have contingency plans in place to d...
B  Contaminated Water      Determine if ground water or tank nest water will be encountered       Determine if this water ...
3  REMOVAL Disconnect impressed current cathodic protection from steel USTs 24 hours prior to purging inerting Assess grou...
REMOVAL Drain and disconnect piping. Take note that older suction systems have in-tank check valves  foot valves  which ho...
REMOVAL  Inerting the UST with CO2. Note the temporary vent.  Test the tank and excavation for vapours      If inerting wi...
REMOVAL  Educting air through the UST with a Coppus eductor. Note bonding wires in place.  Note  The contractor may opt to...
REMOVAL Confirm visually that all residuals have been removed from the tank bottom. Continue excavating along one side and...
REMOVAL Ensure that the lifting equipment      Has adequate lifting capacity       Can reach the tank       Is on a stable...
REMOVAL Ensure that      All non-essential personnel vacate the area and essential workers are clear and handling the tag ...
REMOVAL Lift, do not drag, the UST      Ideally the tank should be placed directly onto the transport vehicle but may be p...
Properly sized truck with fabric hold down straps  Wooden blocks to stabilize UST on the truck 63
REMOVAL Tanks not cut open on site must have an opening to prevent a vacuum or over pressure caused by temperature changes...
4  BACKFILLING The excavation will be sampled by a qualified environmental consultant. Sampling using the excavating equip...
5  SCRAPPING OF TANKS Vapour test all tanks prior to working on them       Record vapour test unit used, date, time and ta...
SCRAPPING OF TANKS If inerting with CO2 was used, test for O2 level       When the O2 level is less than 7 . The tank may ...
SCRAPPING OF TANKS B  Method to Scrap Steel Tanks       The tank should be cut immediately after purging  inerting. Otherw...
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CPCA RECOMMENED PRACTICES    ONTARIO PETROLEUM CONTRACTORS ASSOCIATION  Version 3-2011
UNDERGROUND PIPING   FITTINGS TABLE OF CONTENTS SUCTION SYSTEMS............................................ 72 PRESSURE SY...
Underground Piping   Fittings This procedure outlines the operations required for installation of piping and fittings for ...
73  Typical Suction System
PRESSURE SYSTEM For each product there is a submersible turbine pump  STP  in a sump at the UST. A single line from the ST...
GENERAL PIPING PROJECT REQUIREMENTS Contractor   s employees performing this work must hold a PM2 certificate and be train...
All product lines must slope to a sump monitored to detect leaks.  Refer to Leak   Spill Prevention section of this manual...
SIMPLIFIED VIEWS OF SERVICE STATION LAYOUTS 77
NEW OR REBUILT SITE For a new or rebuilt site, it is recommended to use the tank manufacturer   s sump or a matching sump ...
79  If it is necessary to use a retrofit sump, use a minimum of 2 bungs to attach the sump to the UST. The example shown a...
ENTRY BOOTS Entry boots are used to ensure a liquid tight seal between the double wall pipe, or duct if used, and sumps.  ...
PIPING INSTALLATION     AT THE UST 1  Siphon Lines      To siphon two or more tanks together, suction stubs are placed in ...
Siphon piping, FRP  entering from 4 and 9 o   clock position  transitioned to steel. Copper air extraction line from the S...
Risers continued Diesel or Fuel Oil For diesel or fuel oil USTs a riser and extractor valve are not necessary but should b...
3   Fill Positions  Product fill positions must have a spill containment box, a vapour tight closure, a drop tube that has...
4   Vents  Vent lines       Can be single wall and made of either flex pipe or FRP  recommended for runs over 15 m to ensu...
No flexible connector should be used when the vent piping goes from horizontal to vertical and transitions to steel at the...
Electrical Code classifications around gasoline vents. Perimeter lighting, air compressors for tire inflation, any equipme...
5  Product Piping at a Sump  All piping and conduits must enter the sump through a liquid tight boot. Each manufacturer ha...
PIPING INSTALLATION FROM THE UST TO THE DISPENSERS 1  Product Piping      Must be of double wall construction and if flex ...
Product Piping continued      All mechanical connections must be inside a sump        All sumps must be monitored for leak...
Shear Valves Shear valves with double poppets are to be installed under all dispensers in both suction and pressure system...
2   Product Piping in the Dispenser Sump       All product connections, pipe and fittings, must be from the same manufactu...
3  Specialty Transition Sumps There are some occasions where a transition for product piping from underground double wall ...
PRESSURE TESTING THE PIPE AND FITTINGS After all the double wall piping, mechanical fittings, vents and electrical conduit...
     Sumps are to be filled with water to the top and visually inspected for leaks       Pressure gauges are to have incre...
NOTE  Leave the 5 psi pressure on the secondary pipe and the vent lines until backfilling is complete. A loss of pressure ...
If there is a loss of pressure from the tank vent system  A soap solution test will have to be used on all fittings to det...
Sources of leaks in the primary pipe system that are not under water in the sump and have to be soap tested are       Temp...
Testing of Bungs, Risers and Vents on Underground Double Wall Tanks Test should be applied for a minimum of 48 hours. The ...
Testing Procedures  After tank, piping and fittings have been installed and before completion of the backfilling process, ...
Once the pressure test is in place a soap solution test should be performed on all fittings and auxiliary equipment.      ...
BACKFILLING When the pressure testing is completed and any required inspections  electrical or Fire Marshal  have taken pl...
To ensure proper water drainage from the finished installation, cone pea gravel backfill to the top of all risers and all ...
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AST GENERAL REQUIREMENTS TABLE OF CONTENTS AST PROJECTS .................................................. 108 GENERAL REQ...
ABOVEGROUND STORAGE TANK PROJECTS These procedures outline the operations required for installation, removal and decommiss...
GENERAL AST PROJECT REQUIREMENTS 1  Project Familiarization Site Reconnaissance The project supervisor must examine the si...
2  Obtain Utility Locates It is essential that utilities in the work area be identified and located. This may involve loca...
3  Hazard Evaluation The safety of workers and the general public must be paramount. Hazards to be evaluated include      ...
4  Site Safety Meeting Before any on-site work begins, a safety meeting with all workers should be held. Safe Work Permits...
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ABOVEGROUND STORAGE TANK INSTALLATION TABLE OF CONTENTS  AST PROJECTS ............................................... 116 ...
Aboveground Storage Tank Projects Regardless of location, proper installation and maintenance of the aboveground storage t...
1  Bedding Slabs The bed for the tank shall either be free flowing gravel or concrete, and shall be designed by a Professi...
2  Secondary Containment Tanks of 5000 L or less do not require a dike, except in the event of an overfill or loss escape ...
3  AST Handling Inspect the AST for damage to the external shell. If the interstitial space is under vacuum from the facto...
4  Vehicle Impact Protection Where tanks and associated equipment are subject to vehicular movement, or are not otherwise ...
5  Venting All above ground storage tanks shall be vented in accordance with the Standard to which it has been certified. ...
7  Testing of Tanks Single wall tanks, or secondarily contained tanks, may require testing prior to installation. There ar...
The pressure test equipment that would be required is       A gauge with a minimum 50mm face with graduation not more than...
b  Testing the secondary containment without vacuum monitor  The primary tank and secondary containment are to be tested p...
TESTING PROCEDURES Continued through to page 127 including diagram on page 126 Install test piping and temporarily plug, c...
Valve  V3   Gauge  G2   CPCA Recommended Practices     Ontario Petroleum Contractors Association  Gauge  G1   Air Supply  ...
TESTING PROCEDURES con   t  4. Soap test the test piping, fittings, valves and gauges to make sure it does not leak in the...
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CPCA Recommended Practices    Ontario Petroleum Contractors Association  Version 3-2011
ABOVEGROUND STORAGE TANK REMOVAL TABLE OF CONTENTS  VAPOUR MANAGEMENT ................................. 132 Tank Purging P...
1  VAPOUR MANAGEMENT An empty used petroleum tank with vapours is more dangerous than a full one. Liquid fuels themselves ...
VAPOUR MANAGEMENT Tank Purging Procedures Dry Ice method  1 kg per 500 litres or 1.7 lbs per 100 usg of tank storage capac...
Purging a UST using a forced air system Oklahoma Corporation Commission Petroleum Storage Tank Division UST Removal Guideb...
135  Purging a UST using an eductor type air mover Oklahoma Corporation Commission Petroleum Storage Tank Division UST Rem...
VAPOUR MANAGEMENT Toxic and flammable vapours may be released from several sources during tank removal       During transf...
2  WASTE MANAGEMENT Ideally there will have been prior studies of the soil conditions on the site. If the environmental re...
B  Contaminated Soil      Determine if soil testing has been carried out and determined whether contaminated soil will be ...
Note  chemical masks with the appropriate cartridges should only be used when the petroleum vapour level is less than 500 ...
Confirm visually that all residuals have been removed Ensure that the lifting equipment     has adequate lifting capacity ...
Inspect the transport vehicle,      hold-downs should be fabric, not wire or chain, check for tears etc,       the vehicle...
SCRAPPING OF TANKS Vapour test all tanks prior to working on them      Record vapour test unit used, date, time and tank i...
SCRAPPING OF TANKS If inerting with CO2 was used, test for O2 level,      When the O2 level is less than 5 . The tank may ...
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CONFINED SPACE REQUIREMENTS TABLE OF CONTENTS BACKGROUND   DEFINITION .......................... 148 ASSESSMENT .............
BACKGROUND FOR CONFINED SPACE REQUIREMENTS Based on Regulations, CPCA and POST has adopted the definition of a Confined Sp...
ASSESSMENT OF THE SPACE Before any work starts, an assessment of the fully or partially enclosed space must be done to det...
ATMOSPHERIC TESTING In both confined and restricted spaces, atmospheric testing must done to ensure conditions do not chan...
Users must be trained on the use of the meters  There are a number of manufacturers of air testing meters such as BW Techn...
CONFINED SPACE ENTRY REQUIREMENTS Once a fully or partially enclosed space has been assessed and determined to meet the cr...
CONFINED SPACE ENTRY REQUIREMENTS 4  Training Workers must be trained in all elements of the confined space entry plan. Th...
RETAIL SITE CONFINED SPACES CPCA personnel, working with a consultant  Pinchin Environmental , have reviewed both the cons...
1.1  SUMPS  Initial installation of sumps is not considered to be a confined space entry  1.2  SEWERS   STORM DRAINS  When...
2   MAINTENANCE OR MAJOR WORK ON AN OPERATING SITE  Always test the quality of the atmosphere in the sump, pit or any othe...
2.2  Car Wash Pits  Car wash reclaim tanks pits may not meet all the definitions of a confined space until work such as po...
2.3  Other Types of Spaces  Crawl spaces under buildings     would be considered a confined space if atmospheric hazards w...
OVERVIEW AND SUMMARY When starting any project at a retail service station site, whether it is a new development, a raze a...
Enclosed Space Decision Making Flow Chart     All documents must be kept for one year or for two of the most recent entrie...
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PETROLEUM ORIENTED SAFETY TRAINING TABLE OF CONTENTS ABOUT POST ...................................................... 164...
ABOUT POST Petroleum Oriented Safety Training  POST  is a safety orientation program which many oil companies require as t...
BEHAVIOUR BASED SAFETY  BBS  To create an environment where we have better control of our actions or behaviour, behaviour-...
ONLINE ORIENTATION Our online orientation course covers the following topics. Examples are provided for all documentation....
POST - Documents      Worker Orientation Guide                           Project Clearance Certificate Daily Safe Work Per...
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AEPQ - Association des Entrepreneurs P  troliers du Qu  bec Inc. API     American Petroleum Institute Approved     Accepta...
Class III Product     Means a product having a flash point at or above 60 C, by ASTM D93, and includes heavy fuel oil CO2 ...
Leak Detection     A device or method that is capable of detecting leaks in tanks and or piping LEL     Lower Explosive Li...
PSI     Pound per Square Inch  a unit of pressure, 1 PSI   6.895 KPA Sand     is a granular material made up of fine rock ...
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CPCA Recommended Practices    Ontario Petroleum Contractors Association  Version 3-2011