Maine Water Utilities Association Conference No 490 April

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

Interior Roof Total Coating Failure

Interior Roof Total Coating Failure

Interior Heavy Corrosion Pit Welding is Necessary

Total Coating Failure

Weathered Alkyd Coating System - Roof

Heavy Corrosion Extremely Small Manway -Was Replaced

Winthrop, MA. 1 MG. Prior to Rehabilitation

Interior SSPC 10 Near White Blast Grade

Interior Complete New Coating System

Strip Coat Prior to 2 - Epoxy Coat

Exterior new coating, damage due to interior pit welding

Interior pit welding damage

Exterior new coating damage due to interior pit welding

Interior Epoxy Pit Filler After Blasting and Priming

Elastomeric Membrane Riveted Tank

Finial Vent, New Coating System and Stainless Steel Screen

Heavy Corrosion Extremely Small Manway - Was Replaced

Old Manway

New 18 x 24 Manway Complete Finish Coat

New 30” Shell Manway

Power Wash Only Sphere

Power Wash Only

Extensive Power Tool Cleaning

Extensive Power Tool Cleaning

Extensive Power Tool Cleaning

1. 5 MG Reservoir Extensive Spot Repair Overcoat System No Containment

Spot Overcoat System

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

Power Wash Power Tool Clean Pedestal

Spotted Pedestal Power Wash Below Equator

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

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

Power Washin g

Completed Power Wash

Completed Overcoat System

10, 000 PSI Power Wash

Exterior SSPC SP 6 Commercial Blast

SSPC SP 6

Gray Zinc Primer Red Epoxy Containment

Robotic Blast Machine

Robotic Blast Machine

Robotic Blast Machine

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

Shrink Wrap

Partial Containment Work Area Sheeting is Woven Nylon, Silicon Coated

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

Shrink Wrap

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

Standpipe Rigid Pipe with Shrink Wrap

Full Containment, Standpipe, Tepe System

Sanford, ME.

1 MG. Standpipe Full Blast, New Coating System

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

Containment Localized Area Only

Localized Area

Winthrop Ma. Aerial View Close Proximity of Home

Dust Collection 24, 000 CFM Negative Air

Antennas Important In Agreement With Carriers To Remove Antennas During Maintenance

Antenna Supports

Foundation Repair

Foundation Repair

Foundation Repair

Grinding Erection Welds Prior to Blasting or Power Tool Cleaning

1. 5 MG Elevated Containment Destroyed by 70+ mile per hr. Hurricane Force Winds

1 MG. Riveted Standpipe Completed Winthrop, MA.

Completed Overcoat System

QUESTIONS?

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