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Whetstone <br />ASSOCiates4 Technical Memorandum <br />Table 1. Cost Estimate for Sump Abandonment <br />Table 2. Cost Estimate for Sump Abandonment <br />Compacted <br />Date <br />Stick <br />Total <br />Depth <br />Casing <br />Abandonment <br />Excavator <br />Excavator r <br />Rock <br />Clayev Soil <br />BCo till <br />Reseed <br />Total <br />Sump ID <br />Constructed <br />up <br />(ft <br />Diameter <br />Casing material <br />Permitting - <br />Hours <br />Cost <br />Volume <br />Volume <br />Rack611 <br />Cost <br />& <br />.topsoil <br />Cost <br />(ft) <br />bgs) <br />(in) <br />DWK <br />(�yds) <br />Volume <br />Topsoil <br />hgs} <br />(cyds) <br />(cyds) <br />Sutttpl <br />8/10/1990 <br />051 <br />h0 <br />480 <br />0.375 -wall. steel <br />$1W <br />7 <br />51025 <br />047 <br />'_33 <br />%374.66 <br />%ISO <br />52.5511 <br />Swill-" <br />1(1/2/199(1 <br />1.40 <br />15.0 <br />480 <br />0.375 -wall steel <br />$1W <br />115 <br />$3.163 <br />4.65 <br />133 <br />$60505 <br />5150 <br />%4.018 <br />Sumps <br />11/1;2010 <br />201 <br />140 <br />480 <br />0.375 -wall. steel <br />$100 <br />11 <br />$3.025 <br />4.1t) <br />2.33 <br />$570.45 <br />5150 <br />$3.654 <br />Sump's <br />11 /11j2010 <br />245 <br />140 <br />48.0 <br />0375- wall.,teel <br />SIM <br />11 <br />%3.025 <br />419 <br />233 <br />5579-15 <br />%15(1 <br />1'_13.K54 <br />S11111p) <br />11/12/2010 <br />1 05 <br />11 0 <br />480 <br />16 -guage <br />$100 <br />9 5 <br />Q) 61; <br />2 79 <br />2 13 <br />x,502.05 <br />%150 <br />5 ;.365 <br />Mobilti.,ition <br />rorrug steel <br />Sump 10 <br />9/1 /2012 <br />200 <br />15 <br />240 <br />0375 -wall steel <br />$100 <br />11.5 <br />$3,163 <br />116 <br />0.58 <br />%Ii1.20 <br />5150 <br />$3.5(,4 <br />Mobili/auon <br />�! <br />/ij— <br />TOTAL COST <br />$22,705 <br />Table 2. Cost Estimate for Sump Abandonment <br />TO'T'AL COST <br />4109C.130531 <br />Compacted <br />Date <br />Stick <br />Total <br />Depth <br />Casing <br />Abandonment <br />Excavator <br />Excavator <br />KtKk <br />Clavev Soil <br />Cosst l <br />Reseed <br />Total <br />Sump 11) <br />Constructed <br />up <br />(ft <br />Diameter <br />Casing material <br />Permitting - <br />Hour <br />Hours <br />Cost <br />volume <br />Volume <br />Backfill <br />Cost <br />& <br />Cost <br />(ft} <br />(us} <br />DWR <br />Volume <br />Topsoil <br />hgs} <br />(cyds) <br />(cods) <br />Sump 1 <br />8,110/1990 <br />0.51 <br />6.0 <br />48.0 <br />0175 wall. ,tee] <br />$100 <br />7 <br />$1025 <br />047 <br />2 33 <br />W4 66 <br />$150 <br />51550 <br />Sumps <br />11/5/2010 <br />201 <br />140 <br />480 <br />0 375 -wall, steel <br />$1(N) <br />11 <br />'+3.025 <br />4 19 <br />2 33 <br />$579.45 <br />5150 <br />53,85.1 <br />Sumps <br />1 1/1 1/2010 <br />245 <br />1.1 0 <br />4$.0 <br />0.375 -wall, steel <br />$100 <br />11 <br />%3.025 <br />4.19 <br />2.33 <br />5579.45 <br />%150 <br />$1,854 <br />Sump9 <br />11/12/2010 <br />1 05 <br />11 0 <br />49.0 <br />16 -guage <br />$ I W <br />95 <br />%2,613 <br />2 79 <br />2.33 <br />%502 65 <br />$ 150 <br />',),365 <br />eorrug steel <br />Mobilti.,ition <br />TO'T'AL COST <br />4109C.130531 <br />