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The Walla Walla District of the U.S. Army Corps of Engineers has invited bids to restore vandalized images at the Red Elk Rock Shelter in Lewiston, Idaho.
Bids for the project are due Aug. 31.
The 2,500-year-old rock shelter features Native American pictographs and petroglyphs, which make the site eligible for listing on the National Register of Historic Places.
The animal figures and geometric shapes were spray painted over with graffiti in February 2010. The graffiti includes references to marijuana and band names, according to local news reports.
Ken Reid, the Idaho state archaeologist at Boise, told local news outlets that the damage was in violation of the federal Archaeological Resources Protection Act of 1979.
In July 2011, three men were charged with willful injury or depredation of property of the U.S., for the damage to the ancient site. See news story here.
The Corps officials noted that it is “extremely important” to remove the graffiti to restore the historic integrity of the site.
The work includes determining the efficacy of laser technology in combination with other techniques to perform the restoration, and if found efficacious, using the tested techniques to attempt to remove the contemporary paint from the Red Elk Rock Shelter without adversely affecting the original images.
According to bid documents, the graffiti damage covers approximately 79 feet of the rock image panel and varies in thickness.
The project is set aside for Small Business vendors.
Reported by Paint BidTracker, a construction reporting service devoted to identifying contracting opportunities for the coatings community.
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