Laserfiche WebLink
Kiewit I Fountain Colony Pit September 6, 2022 <br /> 6.0 EXHIBIT L-RECLAMATION COST ESTIMATE <br /> In accordance with Rule 6.4.12, a Reclamation Cost Estimate for each of the major work items described <br /> below for the areas subject to reclamation are summarized and presented in Exhibit L—Reclamation Cost <br /> Estimate,Attachment B. <br /> Item 1.0— Straw Wattle Installation <br /> This item covers the installation of straw wattles for erosion control on an estimated 2,000 <br /> linear feet of slope tops and toes. The operator will be required to install these erosion <br /> control features to prevent the degradation of slopes to benefit future development. <br /> Item 2.0— Revegetation <br /> It is anticipated that the approximate revegetation area will cover 4.0 acres, with a 10% <br /> contingency. This includes areas within Phase I, Phase II, and Phase V where prior seeding <br /> was unsuccessful or has yet to occur, Seeding/reseeding of the reclaimed areas assumes a <br /> native seed mix comprised of the species and mixtures approved in the Reclamation Permit <br /> and Plan that have performed well during previous revegetation operations. Table 3 shows <br /> the native seed mix approved in the Reclamation Plan and Permit.The seeding is anticipated <br /> to take place during the spring season months to ensure successful growth. <br /> Table 3- Native Seed Mix <br /> Species Name Variety Rate(lbs./Acre— <br /> hydroseed) <br /> Blue Grama Hachita 1.00 <br /> Big Bluestem Native 3.00 <br /> Sideoats Grama Butte 3.00 <br /> Intermediate Wheatgrass Oahe 4.00 <br /> Pubescent Wheatgrass Greenleaf 5.00 <br /> Yellow Sweet Clover Madrid 0.50 <br /> Western Wheatgrass Arriba 6.00 <br /> Item 3.0—Monitoring Costs <br /> This item lists the anticipated monitoring and maintenance costs,which include biannual site visits <br /> by a Landscape Laborer to perform weed control and general revegetation maintenance. <br /> 7.0 REFERENCES <br /> DMLR, 2019. Mineral Rules and Regulations of the Colorado Mined Land Reclamation Board for the <br /> Extraction of Construction Materials. Prepared by the Office of Mined Land Reclamation. <br /> Effective July 15, 2019 <br /> Technical Revision#4 5 Sespe Consulting, Inc. <br />