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Benefits realized or taken into consideration dining planning and design included: <br />• MCC upgraded the dam ustllg 220-lineal feet concrete pipe fur the primary <br />spillway, installed new valves, and placed a trash rack at the invert ofthe primary <br />spillway. <br />• NICC utilized 44,200 yards' of onsite material for the buttresses. clay liner. and <br />riprap material. MCC also salvaged topsoil volumes of approximately 11.400 <br />vards'. <br />• MCC imported 18.200 yards' of filter material for trench and interceptor drains. <br />• MCC, after investigating the landslide to the south identified by the USFS. <br />N1CRC, and MCC"s Consultant as unstable, unloaded the slide usino the material <br />for the dam buttresses and improved the slope stability by installing trench drains <br />in the borrow area. <br />• MCC worked with the DNVR/OSE, CDRNIS, MCRC and USES on ensuring an <br />acceptable factor of safety for the dam. <br />• MCC ensured the designs from Barr Engineering included rip-rap for the <br />emergency spillway and upstream face of the dam. Prior to this project the darn <br />had neither. <br />• Topsoil, deadfall, slash, and mulch from the clearing and grubbing operations. <br />generated during the project was utilized on the do\\nstrearn danl slope to <br />promote seed orowth and minimize erosion creatino a more natural looking <br />reclamation. Straw wattles were also used on the borrow area to further stabilize <br />these areas and prevent erosion. <br />• The pictures shown below are the project, both before and after completion: <br />vier <br />r -.,, AY <br />, , ''?1`_, •: „yJ,.y,r?.? , ?V'?1 „K • . w ?+. • !,', 4? ., y ? •1'? .id? W . j.??s , ti <br />01. <br />010, <br />Monument Dam August 2007 (Mt_ C Photo. Looklm, southeast alone the dam <br />