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Construction Cost - Option 4 <br />Description <br />Units <br />Contract Quantity <br />Unit Price <br />Total Price <br />Comments <br />MOBILIZATION <br />LS <br />1 <br />$50,000 <br />$50,000 <br />" 10%oftotal budget <br />COMMON EXCAVATION <br />CY <br />13000 <br />$17.50 <br />$227,500 <br />Essentially all cut and removal from site <br />COMMON EMBANKMENT <br />CY <br />850 <br />$17.50 <br />$14,875 <br />Berm and old channel fill <br />SELECT GRANULAR BORROW <br />CY <br />100 <br />$30.00 <br />$3,000 <br />Filtersand <br />FILTER MEDIA SPECIAL <br />CY <br />170 <br />$175.00 <br />$29,750 <br />5% by weight iron enhanced sand <br />RANDOM RIPRAP CL III <br />CY <br />30 <br />$120.00 <br />$3,600 <br />For inlets/outlets <br />6" PERF HDPE PIPE <br />LF <br />250 <br />$24.00 <br />$6,000 <br />BMP underdrain <br />6" PERF HDPE PIPE CLEANOUT <br />EACH <br />1 2 <br />$500.00 <br />$1,000 <br />Underdraincleanout <br />12" RCP <br />L F <br />250 <br />$90 <br />$22,500 <br />Based on OneOffice <br />12" RCP APRON <br />EACH <br />6 <br />$1,500 <br />$9,000 <br />Based on OneOffice <br />30" RCP <br />L F <br />148 <br />$150.00 <br />$22,200 <br />Based on OneOffice, replace pipe from Totem <br />30" RCP APRON <br />EACH <br />1 <br />$2,500 <br />$2,500 <br />Based on OneOffice <br />FLAP GATE/DUCKBILL VALVE <br />EACH <br />4 <br />$3,000 <br />$12,000 <br />Based on OneOffice, no duckbill estimate <br />48" OCS <br />EACH <br />1 <br />$7,500 <br />$7,500 <br />Based on OneOffice, IESF outlet <br />60" MH <br />L F <br />1 7 <br />$1,000 <br />$7,000 <br />Based on OneOffice, replace in Totem <br />GEOTEXTILE FABRIC <br />SY <br />800.00 <br />$3 <br />$2,400 <br />Between IEsand and regularsand <br />STABILIZED CONSTRUCTION ENTRANCE <br />EACH <br />1 <br />$1,500 <br />$1,500 <br />Likely off Arrowhead Or <br />SILT FENCE <br />LF <br />900 <br />$3.50 <br />$3,150 <br />Around filterand downstream of grading <br />EROSION CONTROL BLANKET <br />S Y <br />10000 <br />$3 <br />$30,000 <br />Placed on graded slopes <br />SEEDING <br />ACRE <br />3.6 <br />$2,000 <br />$7,200 <br />Assume seeding occurs within full limits of <br />disturbance plus overaccess route <br />SEED MIX 25-151 <br />LB <br />1 55 <br />$10 <br />$550 <br />Seeding overaccess road and old channel, 120 <br />SEED MIX 34-261 <br />LB <br />100 <br />$75 <br />$7,500 <br />Seeding wetland/pond/channel areas, 31.5lb/ac <br />LIVE STAKES <br />EACH <br />210 <br />$3 <br />$544 <br />Stabilization along erosive edge of realigned ditch <br />1.5" CALTREE - BALLED AND BURLAPPED <br />TREE <br />55 <br />$400 <br />1 $22,000 <br />lBased on 0 eOffice <br />SHRUB-5GAL POT <br />SHRB <br />100 <br />$75 <br />1 $7,500 <br />1 Based on OneOffice <br />SYEAR MON ITORING/MAI NTENANCE <br />LS <br />1 <br />$42,880 <br />1 $42,880 <br />20%Contingency 1 5100,154 <br />Total: 1 $600,923 <br />9.3 Permit Table <br />Permit <br />JAgency <br />Timeline to Approval <br />Federal <br />Section 404 NWP 27 <br />US Army Corps <br />60-90 days <br />Local <br />Rice Creek Watershed <br />Rice Creek Watershed <br />40 days <br />District Permit <br />District <br />Wetland Conservation <br />Rice Creek Watershed <br />60 days <br />Act De Minimis <br />District <br />Exemption and No <br />Loss <br />10.0 Summary/Recommendation <br />All concepts described in this report provide improvements to the existing site <br />vegetation, water quality, and floodplain levels. However, each concept strikes a <br />difference balance of the above in addition to providing potential consideration to <br />recreational benefits for residents on Lino Lakes. The site stormwater benefits are <br />summarized for consideration in the table below. <br />Shenandoah Improvements Feasibility Report <br />City of Lino Lakes, MN <br />WSB Project No. 018901-000 <br />Page 19 <br />