Field-Erected AST Secondary Containment Options. Mott-Smith Consulting Group, LLC

Transcription

1 Field-Erected AST Secondary Containment Options Mott-Smith Consulting Group, LLC

2 Marshall T. Mott-Smith, President Mott-Smith Consulting Group, LLC National Technical Expert and Regulatory Liaison, AET Compliance 1933 Commonwealth Lane, Tallahassee, Fl cell cell

3 Industry Reference Standards The Technical Foundation of Good Tank Construction and Operations ACI - American Concrete Institute. API - American Petroleum Institute. ASME - American Society of Mechanical Engineers ASTM - American Society for Testing and Materials. NACE - National Association of Corrosion Engineers. NFPA - National Fire Protection Association. PEI - Petroleum Equipment Institute. SSPC - Society for Protective Coatings. STI - Steel Tank Institute. UL - Underwriters Laboratories.

4 Field-Erected ASTs

5 Do the job right!

6 Do the job right with Qualified Personnel!

7 Welding Quality work is essential!

8 Tank Shell

9 Bottom plates

10 Piping Connections and Sumps

11 Manways

12 Shell Penetrations and Valves

13 Reference Standards- API-650

14 Secondary Containment for Tanks

15 API 650 Optional/Traditional Double-Bottom Designs

16 German Double- Bottom Design

17 El Segundo Bottoms Cone-Down

18 Cone-down

19 Cone-down

20 Shovel-bottom

21 Double-Wall Tanks

22 Port of Palm Beach Germany Port Canaveral

23 Impervious Synthetic Liners Beneath the Tank

24 Upgrading Existing Single-Bottom ASTs with Secondary Containment

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27 Internal Secondary Containment Using Parabeam

28 Tankbau (Germany) Internal Secondary Containment System Steel Tanks Concrete Tanks

29 Steel Internal Secondary Containment

30 Petroleum Tanks Tank-Jacking to Install Secondary Containment

31 Field-erected AST Lifting for secondary containment installation beneath the tank

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39 Moving Tanks to Different Locations

40 How is it Done?

41 With Railway Wheels in Tandem (Bogies or Trucks)

42 With Flatbed Trucks and Highway Tires and Wheels by Alan R. Watson Photo Album

43 A Combination of Methods Waiting Barge Tracked Movers

44 Short Distance Tank Relocation

45 Movement on Railway Tracks

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54 Long Distance Relocation

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60 Synthetic liner in dike field area Field-erected AST Dike-field Secondary Containment

61 Stormwater Internal lining Management Stormwater retention and removal, and dike field liners Overfills and inadequate containment

62 Concrete AST Dike-field Secondary Containment - Field-Erected Tanks Double-walled Synthetic Liner Alternative Dikefield containment

63 Eco-Tank TABs-02 System Alternative Dike Field Secondary Containment

64 Pre-Hydrated Bentonite Clay Liners Rawmat by Rawell

65 Poly-Urea Liners

66 Shop-fabricated tank installation

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68 Stainless Steel Tank for Aviation Fuels

69 Issues in selecting the type of shopfabricated tank best-suited for your needs: Storage volume needed Site security Available space Piping needs Dispensing needs Portability Regulation Cost Operation and maintenance issues Risk assessment fire safety, hurricanes, etc

70 Shop-fabricated ASTs should have secondary containment at the time of installation

71 AST Secondary Containment - Shop-fabricated Tanks

72 Piping

73 Piping - The major source of Field-erected AST leaks...

74 Small Diameter Piping with Secondary Containment steel Semirigid

75 Be sure to install the proper valves for shop-fab ASTs with STPs serving dispensers

76 Single-wall Large Diameter Piping Above Ground

77 Steel Bulk Product Piping with Secondary Containment for Piping in Contact with the Soil

78 Steel Bulk Product Piping with Secondary Containment - Installation concerns

79 HDPE Pipe Semi-Rigid Pipe UPP Rheomax

80 IPP HDPE Semi-Rigid Petrol Pipe

81 Release Detection Standards

82 Internal Release Detection for Single-wall Systems NONE

83 External Release Detection for Single-wall Systems Well construction Site Suitability Groundwater monitoring wells Vapor monitoring wells

84 Release Detection for Double-wall Systems Internal Interstitial Monitoring Visual Vacuum Pressure Hydrostatic Sensors & Probes

85 Leak Detection with Interstitial Monitoring for Tanks and Piping

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87 Recommendation for Release Detection First Class Version Vacuum or Pressure Continuous Monitoring The Economy Version Visual Inspections!

88 Unusual Release Detection Situations

89 Passing Regulatory (Fire Code and Environmental) Inspections

90 Canadian Tank Inspectors

91 Sources of Discharges - Field-Erected AST Systems Hydrant Piping & Pits 3% Fill pipes & Transfer Hoses 2% 4 Bulk Product Piping 48% 117 Discharges Apr Field-Erected Tanks 27% Pumps 3% Small Diameter Piping 1% Vehicles 3% Valves 10% Day Tanks & Fuel Filters 2% Tanks are only 17% if overfills and other external factors are excluded

92 Causes of Discharges from All Sources Apr 07 Material Failure 10% Weather 2% Loose Component 13% Other 2% Mechanical Damage 5% 2 Spill 4% Corrosion 22% Physical Damage 5% Overfill 9% Componen t Failure 7% Unknown 17% Human Error 4% Field-Erected AST Systems

93 Sources of Discharges - Shop-fabricated ASTs Dispensing Systems & Dispensers 12% Bulk Product Piping 1% Fill Pipes 1% 25 Delivery Vehicles 6% 13 Valves 2% Pumps 2% 49 Generator Hose Fitting <1% Small Diameter Piping 24% 203 Discharges Apr 07 Shopfabricated tanks 36% Day Tanks 4% Fuel filters 2% Customer Vehicles 5% Spill Containment 1%

94 Causes of Discharges from All Sources Physical Damage Improper 8% Installation 3% Spill 14% Material Failure 2% Vehicle Overfill 6% Human Intervention 2% Loose Component Other 14% 2% Corrosion 5% Overfill 25% 19 4 Mechanical Damage 2% Unknown 9% Human Error 6% Component Failure 2% Shop-fabricated AST Systems Apr 07

95 The End