Cost Estimating at the Capitol Dome, Washington
The cast-iron Dome was suffering from the effects of weathering and ageing including corrosion and cracking. Cracked columns were typical of the condition of deteriorating parts of the Dome. It was plagued by more than 1000 cracks and deficiencies.
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This was a project of great precision, with a number of logistical elements to be considered. These included the highly occupied, public nature of the building and its historic significance. The first quotes began in 2007 and phase 1 was carried out in 2012.
Careful measures had to be taken for the particular challenges of this project. As a tourist attraction, all works had to be done at night. Public safety was a priority and at the end of each working ‘day’ the area had to be thoroughly cleaned. This allowed for tourists to return, limiting the working hours.
The project required scaffolding around the exterior of the Dome, and a safety-netting system was also suspended inside the Rotunda. The project also required the majority of works to be done by hand such as the removal of old paint and repainting.