Case Studies

Dominion Power, Chester, VA - retrofit

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International Chimney was awarded a contract from Dominion Power to retrofit an existing 375' high x 24' ID reinforced concrete chimney with brick lining. Included in the basic scope of work were the following:

• Remove existing independent acid brick lining
• Remove top 35' of exterior reinforced concrete outer column
• High-pressure wash interior of concrete shell (full height of chimney) to achieve borosilicate block profile
• Install new reinforced concrete sheath up interior of existing concrete column
• Install borosilicate block on inside surfaces of concrete column in upper 288' of chimney
• Install new FRP liquid collection system consisting of liquid collection ring, drain, and sloped floor
• Remove all existing exterior platforms
• Install three new TP-316L stainless steel exterior platforms plus full-height TP-316L caged ladder
• Waterproof top 63' on exterior surfaces of concrete column
 

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