Feasibility Study, Enlargement of Julesburg Reservoir

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TABLE 9 JULESBURG RESERVOIR DAM - RESERVOIR ENLARGEMENT STUDY FEASIBILITY CONSTRUCTION COST ESTIMATE ALTERNATIVE C3 - UPGRADE DAMS 4 DIKE AND 4 OUTLET; CONSTRUCT REPLACEMENT STRUCTURES 1R, 1A -2 -3R, AND 5 MODIFIED HOMOGENEOUS EARTHFILL DAMS - TOP OF DAM ELEV. 3721.5 NORMAL WATER LEVEL 3713.5, GAGE HEIGHT 30.5 DAM NO. 1R DAM NO. 1A -2 -3R DAM NO.4 DIKE DAM NO.4 & OUTLET WORKS DAM NO. S & SPILLWAY INLET CANAL & ROADS Item Quantity Unit Price Amount Quantity Unit Price Amount Quantity Unit Price Amount Quantity Unit Price Amount Quantity Unit Price Amount Quantity Unit Price Amount TOTAL COST 1 Mobilization and Demobilization 2 Dewatering Operations 1 Is 1 Is $80,000.00 $80,000 1 Is $150,000.00 $150,000 1 Is $30,000.00 $30,000 0 Is $50,000.00 $0 1 Is $30,000,00 $30,000 1 Is $50,000.00 $50,000 $340,000 3 Strip Top Soil & Overburden 59,176 cy $20,000.00 $2.00 $20,000 $118,400 1 Is 48,799 cy $5,000.00 $2.00 $5,000 $97,600 0 Is 5,586 cy $10,000.00 $2.00 $0 $11,200 0 Is 1,675 $10,000.00 $0 1 Is $5,000,00 $5,000 0 Is $20,000.00 $0 $30,000 cy $2.00 $3,400 5,810 cy $2:00 $11,600 1,500 cy $2.00 $3,000 $245,200 4 Excavate and Backfill Cutoff Trench 5 Slurry Cutoff Trench 83,958 cy 0 fsf $5.00 $6.00 $419,800 $0 129,978 cy $5.00 $649,900 0 cy $5.00 $0 0 cy $5.00 $0 83,519 cy $5.OD $417,600 0 cy $5.00 $0 $1,487,300 0 fsf $6.00 $0 61,262 fsf $6.00 $367,600 0 fsf $6.00 $0 0 fsf $6,00 $0 0 fsf $6.00 $0 $367,600 6 Sand Filer/Drainage Blanket 7 F & I Toe Drain & Filter 11,423 cy 3,100 If $20.00 $30.00 $228,500 $93,000 27,702 cy 6,300 11 $20.00 $554,000 4,060 cy $20.00 $81,200 270 cy $20.00 $5,400 572 cy $20,00 $11,400 0 cy $20.00 $0 $880,500 $30.00 $189,000 2,300 If $30.00 $69,000 150 If $30.00 $4,500 1,550 If $30.00 $46,500 0 If $30.00 $0 $402,000 8 Construct Earthfill Embankment 9 Remove Existing Concrete Facing 367,107 cy 0 sy $3.00 $1.50 $1,101,300 1,200,326 cy $3.00 $3,601,000 61,057 cy $3.00 $183,200 19,295 cy $3.00 0 $57,9$0 53,240 cy $3.00 $159,7$0 0 cy $3.00 $0 $5,103,1$0 10 Trim Upstream Slope 0 cy $2.00 $0 $0 0 sy 0 cy $1.50 $2.00 $0 $0 0 sy 0 cy $1.50 $2.00 $0 $0 0 s y 4,600 cy $1.50 $2.00 $ $9,200 0 0 $1.50 $0 0 $1.50 $0 $0 11 F & 1 Upstream Slope Protection Bedding 0 cy $0.00 $0 0 cy $0.00 $0 0 cy $0.00 $0 0 cy $0.00 $0 c cy y 0 cy $2.00 $0.00 $0 $0 cy 0 cy 0 $2.00 $0 $9,200 12 F & I Upstream Slope Protection 30,820 cy $39.00 $1,202,000 75,300 cy $39.00 $2,936,700 7,487 cy $39.00 $292,000 1,680 cy $39.00 $65,500 10,688 cy $39.00 $416,800 cy 0 cy $0.00 $39.00 $0 $0 $0 $4,913,000 13 Monitoring Piezometers 14 Replace Topsoil and Seed 830 If 37,137 sy $12.00 $0.75 $10,000 $27,900 1,360 11 79,820 sy $12.00 $0.75 $16,300 $59,900 480 If 17,710 $12.00 $075 $5,800 290 If $12.00 $3,500 0 If $12.00 $0 0 If $12.00 $0 $35,600 sy $13,300 5,850 sy $0.75 $4,400 16,230 sy $0.75 $12,200 9,200 sy $0.75 $6,900 $124,600 15 Excavate & Backfill Outlet Conduit Trench 230 If $40.00 $9,200 400 11 $40.00 $16,000 0 If $40.00 $0 0 If $40.00 $0 0 If $40.00 $0 0 If $40.00 $0 16 Concrete for Outlet Works Conduit 150 cy $400.00 $60,000 260 cy $400.00 $104,000 0 cy $400.00 $0 95 cy $400.00 $38,000 0 cy $400.00 $0 0 cy $400.00 $0 $25,200 $202,000 17 F & I Secondary Outlet Pipe - 30" Dia. Steel 230 If $150.00 $34,500 400 If $150.00 $60,000 0 If $150.00 $0 0 If $150.00 $0 0 If $150.00 $0 0 If $150.00 $0 $94,500 18 Intake, Outlet Structures for Outlet Works 22 cy $400.00 $8,800 25 cy $400.00 $10,000 0 cy $400.00 $0 70 cy $400.00 $28,000 0 cy $400.00 $0 0 cy $400.00 $0 $46,800 19 F & I Outlet Gate and Operator 20 Misc Steel 1 Is $20,000.00 $20,000 0 Is $20,000.00 $0 Ole $20,000.00 $0 0 Is $20,000.00 $0 0 Is $20,000.00 $0 0 Is $20,000.00 $0 $20,000 Work -Trash Racks, Etc. 1 Is $5,000.00 $5,000 0 Is $5,000.00 $0 0 Is $5,000.00 $0 0 Is $5,000.00 $0 0 Is $5,000.00 $0 0 Is $5,000.00 $O $5,000 21 Raise Main Outlet Tower and Extend Catwalk 0 Is $26,000.00 $0 0 Is $26,000.00 $0 Ole $26,000.00 $0 0 Is $37,000.00 $0 0 Is $26,000.00 $0 0 Is $26,000.00 $0 $0 22 Raise Inlet Canal Banks 23 Excavate for Inlet Canal Relocation 0 cy 0 cy $4.00 $2.00 $0 $0 0 cy 0 cy $4.00 $2.00 $0 $0 0 cy 0 $4.00 $0 0 cy $4.00 $0 0 cy $4.00 $0 9,600 cy $4.00 $38,400 $38,400 cy $2.00 $0 0 cy $2.00 $0 0 cy $2.00 $0 150,000 cy $2.00 $300,000 $300,000 24 Raise Spillway Crest - Soil Cement 0 cy $40.00 $0 0 cy $40.00 $0 0 cy $40.00 $0 0 cy $40.00 $0 1,300 cy $40.00 $52,000 0 cy $40.00 $0 $52,000 25 Relocate County Roads & Bridge 2615% Miscellaneous Unscheduled Work Items 0 Is 1 Is $0.00 $687,700 $0 $687,700 0 Is 1 Is $0.00 $1,689,900 $0 $1,689,900 0 Is 1 Is $0.00 $210,700 $0 $210,700 0 Is 1 $0.00 $0 0 Is $0.00 $0 1 Is $1,250,000.00 $1,250,000 $1,250,000 Is $44,000 $44,000 1 Is $232,600 $232,600 0 Is $329,700 $0 $2,864,900 Subtotal Dam Embankment (Items 1 -14) Subtotal Inlet and Outlet (Items 15 - 23) $3,300,900 $137,500 $8,259,400 $190,000 $1,053,300 $153,800 $1,110,800 $59,900 $13,936,100 Subtotal Emergency Spillway (Item 24) $0 $0 $0 $0 $66,0$0 $0 $338,4$0 $731,900 Miscellaneous (Items 25 -26) * Base Construction Costs - Subtotal $687,700 $4,126,100 $1,689,900 $10,139,300 $210,700 $44,000 $232,660000 $0 $1,250,000 $52,000 $4,114,900 $1,264,000 $263800 $1395400 $1,648,300 $18,836,900 Construction Contingency: * Base Construction Costs - Total 15.00% $618,900 $4,745,000 $1,520,90O $11,660,200 $189,660 $1,453,600 $39,600 $20,300 $247,200 $2,825,500 $303,400 $1,6044,700 $1,895,500 $21,662,400 Engineering and Inspection: * Total Project Costs 6.00% $284,700 $5,029,700 $699,600 $12,359,800 $87,200 $1,540,800 00 $96,300 $113,700 $1,299,100 321,600 $321,6 $1,701,000 $2,009,200 $22,962,100