1. Technical Program: Tanks, Tanks and More Tanks “STEEL WATER STORAGE TANK MAINTENANCE” Maine Water Utilities Association Conference No. 490-April 12, 2007 Marcel Payeur Marcel A. Payeur, Inc.

2. Interior Roof Total Coating Failure

4. Interior Roof Total Coating Failure

5. Interior Heavy Corrosion Pit Welding is Necessary

6. Total Coating Failure

7. Weathered Alkyd Coating System - Roof

8. Heavy Corrosion Extremely Small Manway -Was Replaced

10. Winthrop, MA. 1 MG. Prior to Rehabilitation

11. Interior SSPC 10 Near White Blast Grade

14. Interior Complete New Coating System

18. Strip Coat Prior to 2 - Epoxy Coat

19. Exterior new coating, damage due to interior pit welding

21. Interior pit welding damage

22. Exterior new coating damage due to interior pit welding

23. Interior Epoxy Pit Filler After Blasting and Priming

26. Elastomeric Membrane Riveted Tank

27. Finial Vent, New Coating System and Stainless Steel Screen

28. Heavy Corrosion Extremely Small Manway - Was Replaced

29. Old Manway

30. New 18 x 24 Manway Complete Finish Coat

31. New 30” Shell Manway

32. Power Wash Only Sphere

33. Power Wash Only

34. Extensive Power Tool Cleaning

37. 1.5 MG Reservoir Extensive Spot Repair Overcoat System No Containment

39. SpotOvercoatSystem

40. 400,000 Gallon Sphere Complete Power Wash Spot Clean Overcoat Pedestal Only

41. Power Wash Power Tool Clean Pedestal

42. Spotted Pedestal Power Wash Below Equator

43. Exterior Spot Surface Prep. Overcoat System 300,000 Gallon Elevated Tank No Containment

49. Exterior Spot Surface Prep. Overcoat System 1 MG. Elevated Tank No Containment

50. Power Washing

51. Completed Power Wash

52. CompletedOvercoatSystem

53. 10,000 PSI Power Wash

56. Exterior SSPC SP6 Commercial Blast

57. SSPC SP6

58. Gray Zinc Primer Red Epoxy Containment

59. RoboticBlastMachine

60. RoboticBlastMachine

61. RoboticBlastMachine

62. 750,000 Gallon Standpipe Full Blast, New Coating System Full Blast, New Coating System Containment is Rigid Monaflex Covering System with Reinforced Polyethylene Membrane

63. Shrink Wrap

64. Partial Containment Work Area Sheeting is Woven Nylon, Silicon Coated

65. Elevated Full Blast New Coating System 400,000 gallon Rigid Containment

67. Shrink Wrap

68. Exterior Full Blast, New Coating System 400,000 gal. Sphere Full Containment Tepe System

70. Standpipe Rigid Pipe with Shrink Wrap

71. Full Containment, Standpipe, Tepe System

72. Sanford, ME.

74. 1 MG. Standpipe Full Blast, New Coating System

75. 600,000 Gallon Reservoir Full Blast, New Coating System Localized Containment

77. Containment Localized Area Only

82. Localized Area

85. Winthrop Ma. Aerial View Close Proximity of Home

89. Dust Collection 24,000 CFM Negative Air

90. Antennas Important In Agreement With Carriers To Remove Antennas During Maintenance

91. Antenna Supports Antenna Supports

92. Foundation Repair

94. FoundationRepair

95. FoundationRepair

96. Grinding Erection Welds Prior to Blasting or Power Tool Cleaning

98. 1.5 MG Elevated Containment Destroyed by 70+ mile per hr. Hurricane Force Winds

103. 1 MG. Riveted Standpipe Completed Winthrop, MA.

104. CompletedOvercoatSystem

109. QUESTIONS?

110. Marcel A. Payeur, Inc. Abrasive Blasting/Industrial Coatings Main Office: 113 Otis Allen Rd. Sanford, Maine 04073 Tel: (207) 324-0786 Fax: (207) 490-5843 Email: cell@metrocast.net