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I I I I I I I I I I I I I I I I I I I TABLE VI-A ESTIMATED COST OF CONSTRUCTION LITTLE CREEK, REACH 1, SOUTH PLATTE RIVER TO AT&SF RAILROAD ITEM Channel Excavation Riprap Trickle Channel Concrete Channel Wall Drop Structures Triple Box Culvert Clear Span Bridge Crossing Concrete Sewer Line Encasement Velocity Dissapator 84" RCP (Jacked) Relocate 10" Sanitary Sewer Water, Gas, Telephone Lines Relocation Inverted Siphon Unclassified Excavation (Detention Area) Contingencies (@20%) Engineering (@15%) Fiscal and Administrative Cost (@8%) Land Acquisition Cost Annual Operation and Maintenance Cost QUANTITY 31,000 C.Y. 2,700 L.F. 1,600 C.Y. 7 EA. 1 EA. 7,000 S.F. 150 C.Y. 2 EA. 180 L.F. 1,400 L.F. ---------- 9,000 C.Y. SUBTOTAL TOTAL CONSTRUCTION COST 3.6 AC. TOTAL CAPITAL COST TABLE VI-B ESTIMATED COST OF CONSTRUCTION LITTLE CREEK, REACH 2, AT&SF RAILROAD TO CALEY STREET COST ITEM $ 139,500 94,500 384,000 28,000 150,000 315,000 21,700 20,000 57,600 35,000 10,000 Channel Excavation Grouted Riprap Double Box Culvert Remove Crossing Relocate 8" Sanitary Sewer Water, Gas, Telephone Line Relocation Contingencies (@20%) Engineering (@15%) Fiscal and Administrative Cost (@8%) Land Acquisition Costs 45,000 22,500 $1,322,800 Annual Operation and Maintenance Cost 264,600 198,400 $1,785,800 142,900 216,000 $2,144,700 $ 1,500 Note: Costs of street relocations between the South Platte and Santa Fe not included. QUANTITY 1,000 C.Y. 490 C.Y. 240 L.F. 1 EA. 80 L.F. SUBTOTAL TOTAL CONSTRUCTION COST TOTAL CAPITAL COST COST $ 4,500 24,500 127 ,200 8,000 1,600 10,000 $175,800 35,200 26,400 $237,400 19,000 - 0 - $256,400 $ 1,500 -14-