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HomeMy WebLinkAboutWPO201300040 Bond Estimates 2021-10-01Project Name: Erosion and Sediment Control Plan for Ashcroft Phase 3 Subdivision Tax Map 78A, Parcel 1, Rivanna WPO file number: WP0201300040 TMP(s): 078AO-00-00-00100,078AO-03-00-000FO Date Estimate Completed: 8116121 by RGA ; chk. by JA, 10/1/21 Erosion and Sediment Control Bond Estimate Item Item Number 1 2 3 4 5 6 9 10 11 12 13 14 15 16 17 18 19 20 21 stablization (PS, TS) silt fence (SF) safety fence (SAF) diversion (DD, FD, RWD) temporary slope drain (TSD) pipe length ft Sediment Basin - N/A Sediment Traps silt fence inlet protection (IP) stone inlet protection (IP) outlet protection (OP) length -ft check dam depth in channel ft construction entrance (CE) wash rack paved construction entrance rip -rap, placed depth �ft width survey and layout (price per 0.1 mi.) acres mobilization see D. Greene email, August 23, 2021 3:39 PM No. Unit Unit Cost Cost (installed) 21.11acres $5,000.00 $105,500.00 3500.0 It $5.00 $17,500.00 2210.0 It $5.00 $11,050.00 5696 It $13.00 $74,048.00 pipe diameter r 0 in $0.00 $0.00 12 $4,000.00 $48,000.00 $100.00 $0.00 9 $200.00 $1,800.00 width 15 0 1 $8,640.00 $8,640.00 channel width 11116 0 0 0 $0.00 $0.00 $2,500.00 $0.00 1 $2,000.00 $2,000.00 1 $3,500.00 $3,500.00 length 11WT-0 ft (tons) $60.00 $0.00 - traps and basins - $16,550.00 $2,500.00 cost sum $291,088.00 contingency $29,108.80 Total $320,200 10/1/2021