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<br /> <br />3 <br />riprap (from the 1999 Means Site Work and Landscape Cost Data) is $15/cubic <br />yard higher than SCC's, the Division has included a cost for excavating the <br />channels and the Division has included the construction of three additional <br />channels (YPM-5, YPM-6 and YPM-7) in the South expansion area. These two <br />items account for an increase of $306,133. <br />The third area where there are large cost increases is in the replacement of <br />topsoil and in the shrub/tree planting. The increase in cost for topsoil <br />replacement is $134,050. The Division included haul distances and slope <br />grades, which may account for this increase. The increase in cost for shrub/tree <br />planting is $720,742. This is based on SCC's estimate of more than 6,000 stems <br />being planted per acre and an anticipated failure rate of 80% (the cost for <br />planting each stem, according to the Division's estimating program, is $3.24). <br />These two tasks account for an increase of $854,792. <br />The final major cost increase is from the indirect costs. While the percentages <br />used by SCC and the Division are almost identical (19.53% versus 19.62%, <br />respectively), the fact that the Division's direct costs are almost $2,400,00 higher <br />leads to an increase of $242,016. <br />These increased costs total $2,075,358 which is greater than the total increase of <br />$1,883,324. This is because some of the costs the Division calculated came out <br />lower than those calculated by SCC (primarily the grading and ripping tasks). <br />If you wish to arrange a meeting to discuss the cost estimate, please contact <br />Mike Boulay or me. <br />Sincerely, <br />Larry Routten <br />Senior Environmental Protection Specialist <br />cc: Mike Boulay <br />Jim Stark <br />Tom Leidich (Montgomery Watson/Lakewood office) <br />YpastPp01_Sept9 <br />