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Colorado Division roject of Reclamation, <br /> Mining & S► fety <br /> MASCOT TUNNEL PROJECT <br /> Gilpin County, Colorado <br /> Permit No. P-1980-086 <br /> Project Location and Background <br /> The portal safeguarded during the 2009 construction season <br /> for the Mascot Tunnel Project was located in Gilpin ' -* � ► <br /> County, Colorado. The Mascot Tunnel site is located south <br /> of the Town of Black Hawk at mile marker 5.5 along State - r ` <br /> Highway 119. The site straddles both sides of North Clear <br /> Creek. Contractor's equipment mobilization was required <br /> to occur on the east side of the creek, and the features -, <br /> reclaimed were located on the west side of the creek. <br /> The purpose of this project was to reclaim a hard rock mine . ." <br /> located on private land in accordance with the approved ' 'n <br /> mining and reclamation plan. The Mascot Prospecting " � <br /> Notice of Intent (NOI) was revoked in 2004 and the Exterior of the Mascot Tunnel prior to reclamation during initial <br /> reconnaissance. <br /> financial warranty was forfeited in 2008. The Division of <br /> Reclamation, Mining and Safety reclaimed this site using <br /> the forfeited bond money, and severance tax money. 7 4t <br /> The project consisted of safeguarding the adit with a <br /> corrugated steel pipe (CSP) with an accessible bat ladder <br /> adit door, backfilling the subsidence feature, and <br /> revegetating the disturbed areas. <br /> Construction Summary ►t • <br /> Reclamation work included clearing the brow of the portal, }" <br /> installation of a six-foot diameter CSP with an adit/access Interior of the Mascot Tunnel prior to reclamation. <br /> door with bat ladder, and backfill of the <br /> collapse/subsidence feature on the ledge above the portal. <br /> Owner: <br /> All disturbed areas were reseeded, and mulched, and a lock Douglas Mills-Private Landowner <br /> has been placed on the adit door to exclude unauthorized <br /> access. General Contractors: <br /> Ramstetter Excavating Inc. <br /> PO Box 16025,Golden,CO 80402 <br /> DRMS Project Manager:Deb Zack <br /> Colorado Division of Reclamation,Mining,&Safety <br />