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Magnolia Park-CS021203DENTON CREEK EROSION CONTROL PROPOSED SPILLWAY REPAIR OPS# E0201 OLDEN PROFESSIONAL SERVICES, LP PRELIMINARY ESTIMATE BASE LIMITS (150 LF) Item No. Quantity Unit $ /Unit December 3, 2002 Total $ 1 Mobilization 1 LS 10,000.00 10,000.00 2 12" PVC Coated Gabions 146 CY 160.00 23,360.00 3 Tx T PVC Coated Gabions 78 CY 175.00 13,650.00 4 Steel Sheet Piling 3500 SF 20.00 70,000.00 5 Helical Soil Anchors 18 EA 1,000.00 18,000.00 6 Reinforced Concrete Beam 13 CY 350.00 4,550.00 7 Dowled Gabion to Concrete Connection 60 LF 15.00 900.00 8 3" Concrete Cap 240 SY 22.00 5,280.00 9 Earthwork (Excavate, Replace and Recompact) 555 CY 10.00 5,550.00 10 Imported Fill 350 CY 25.00 8,750.00 11 Removal and Disposal of Concrete Walk 1 LS 7,500.00 7,500.00 12 Tube Steel Fence 280 LF 25.00 7,000.00 13 Turf Reinforcement Mat incl. Grass Seeding 500 SY 6.00 3,000.00 $ 177,540.00 ALTERNATE LIMITS (230 LF) Item No. 1 Mobilization 1 LS 2 12" PVC Coated Gabions 193 CY 3 Tx T PVC Coated Gabions 105 CY 4 Steel Sheet Piling 5100 SF 5 Helical Soil Anchors 27 EA 6 Reinforced Concrete Beam 20 CY 7 Dowled Gabion to Concrete Connection 60 LF 8 3" Concrete Cap 240 SY 9 Earthwork (Excavate, Replace and Recompact) 860 CY 10 Imported Fill 800 CY 11 Removal and Disposal of Concrete Walk 1 LS 12 Tube Steel Fence 280 LF 13 Turf Reinforcement Mat incl. Grass Seeding 500 SY $ /Unit Total $ Quantity Unit 10,000.00 10,000.00 160.00 30,880.00 175.00 18,375.00 20.00 102,000.00 1,000.00 27,000.00 350.00 7,000.00 15.00 900.00 22.00 5,280.00 10.00 8,600.00 25.00 20,000.00 7,500.00 7,500.00 25.00 7,000.00 6.00 3,000.00 $ 247,535.00