(Reconstruction, Renovate) To replace or rebuild a trail structure (switchback, waterbar, bridge, etc.) that is no longer safe to use. Found on http://www.americantrails.org/
Re`con·struct' transitive verb To construct again; to rebuild; to remodel; to form again or anew. « Regiments had been dissolved and reconstructed .» Macaulay. Found on http://www.encyclo.co.uk/webster/R/26