F-BPMD AT PORTAL REPAIRS

Roy Pray Portal Repairs The Roy Pray Mine Site has been determined to be eligible for listing on the National Register of Historic Places (NRHP). A work plan will need to be developed that does not affect the site's eligibility and integrity. A BLM approved archaeological monitor will be required to monitor the activities. Excavate the portal area and then install a properly designed and constructed portal structure and replacement gate, with steel sets extending from approximately Station 0+84 to Station 1+12.5. It is recommended that these sets be lagged with steel channel or other steel material and that cavities overhead be filled with polyurea silicate void filling foam to prevent impact loading. As a matter of routine safety, the entire adit should be thoroughly scaled and afterwards