Concrete Coating Replacement
Conomos removed and applied a new concrete coating system at a Dominion Energy natural gas transmission compressor station.
Dominion Energy Concrete Coating Project
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The existing coating on the concrete floors was an epoxy coating with a deep red finish. Conomos used Blasttrac equipment and steel shot abrasive to remove the existing coating system. Large shot-blasting machines were used to efficiently clean the main areas of the floor. Hand grinders were used to remove the existing coating system from stairs, doorways, and other hard to reach areas.
After removing the existing coating, all steel shot and debris were removed from the floor. Then, all cracks and construction joints in the concrete had to be repaired using joint sealants.
Concrete Coating System Application
The prime coat was spread onto the concrete floor using a V notched squeegee at a coverage rate of approximately 80 sf/gallon. Conomos ensured that the product specifications were followed exactly. The required conditions were ambient and surface temperatures between 50 and 85° F and an ambient relative humidity not to exceed 80%. The prime coat was applied to a DFT (dry film thickness) of 20 mils.
After all the concrete floors were coated, areas in front of doors, approximately 8’x8’, received a rolled applied coat of General Polymers 3746 @ 4 mils DFT followed by a broadcast of aluminum oxide to create an anti-slip surface. Aluminum oxide was spread at a rate of ¼ lb. per square foot.