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<br />I <br /> <br />Appendix B I of 6 <br /> <br />Appendix B 2 of 6 <br /> <br />I <br /> <br />c I T Y 0 f LOU I 5 V ILL L <br />MAJOR DRAINAGEWAY PLANNING <br />RECDl1MENDED DRAINAGE ALTERNATIVES <br />MARCH-19B2 <br /> <br /> REACH DEVEL ORAINAGE RECOMMENDEO ESTIMATED <br /> STATUS PROBLEMS* ALTERNATIVE COST <br /> E-II Future Lack of ehn1 2 yr. storm <br />Centennial Mall Commercial &: Cut vert sewer \If/residua 661,000 <br />to Eisenhower capacity flow in parking <br /> Blvd. lot <br /> f-I Future loIU Lack of ehnl & Grass ehnl <br />5ta 0-+0 to N% ensily Resident cuI vert capac. combined w/reac <br />Corner Sect. 10 F -II &. diverted 1,074,000 <br /> to Coal Crk <br /> alonn US 2B7 <br /> f-II Future Low lack of chnl/ ombined \Ii/Reach <br />Sta 0+0 to 5\ Density Resid. culvert capac. f-I See Reach f-I <br />Cor. Sect. 10 <br /> G-I future Low Lack of emII Grass Chnl 2,448,5DO <br />Coal Crk to Density Resid. culvert capac. diverted to Roc <br />Center Sect. 15 Crk <br /> G-II Exist/Future lack of chnl Storm sewer(2yr <br />Center Sect. 15 Industrial capac. combined w/reac <br />to C&SRR H-II 2 OBO 000 <br /> G-III future Low lack of chnll storm sewer (lay ) <br />C&5RR to Density Resid. culvert capac. w/residual flow B63,ODO <br />Goodhue Ditch in st. <br /> H-I Future lO\ll lack of chnl/ Grass Chnl 1,544,000 <br />oek Crk to City Density Resid. culvert capac. <br /> Limi ts <br /> H-II uture Industria Lack of chn'l ombined \If/Reach See Reach G-II <br />City limits to capac. G-II <br /> C&5RR <br /> H-III Future LOIJI Lack of chnl/ Storm Se\1ler(2yr <br />C&5RR to Density Resid. culvert capac. diverted to 558,500 <br />Goodhue Oi tch Reach G-II <br /> H-IV r uture Lack of chnl/ storm se\ller(2yr 1,494,000 <br />Dillon Road to Industrial cuI vert capee. <br /> C&SRR <br /> H-V Exist/Future lack of chnl/ Grass channel <br />BNRR to US 287 Low Density ul vert/capee. 277,000 <br /> Resid. <br /> I-I Open Space- Lack of eml1 Storm sewer(lOy ) <br />Rock Crk to future Resid. ulvert/spillwBY III/Steams Lake <br />5 96th St canac. Imnrove. 1 91D ODO <br /> I-II Exist/Future lack of chnll Storm se\lfer(2yr <br />S-96th St to LO\ll Density culvert capae. \If/residual flo\ll 684,5DO <br />Center Sect 20 Resid. in st. <br /> J-I Future Low Lack of emII Storm sewer (lOy ) <br />Rock Crk to Density culvert capac. w/residua1 flow B39,500 <br />Carbon Rd. Resid. in st. <br /> <br />I <br /> <br />REACH DEVEL DRAINAGE RECOMMENDED ESTII1ATEO <br /> STATUS PRDBLEMS ALTERNATIVE COST <br />A-I Open Space lack of Grass lined 1,901,500 <br />Coal Crk adeq. channel emI w/eheek <br />to capaci ty drops w/diver <br />Hwv 42 from reach A-VI <br />A-II A Exist Indust/ lack of adeq. 2 yr. storm <br />Hwy 42 to Commer .channel/culvert sewer 251,500 <br />C&S RR cao8citv <br />A-II B Exist. Resident Flooding from 2 yr, storm 447,000 <br />C&SRR to C&:SRR culvert sewer <br />Jefferson Ave. <br />A-III Exist. Low Flooding from 100 yr. culv <br />Jefferson Ave. Density Resideo Jeff. Ave. at Jefferson & 64,00D <br />to 5. Bldr, Rd. &- Garfield Ave. Garfield Ave. , <br /> culverts <br />A-IV Exist. Nuisance Flo\l1s 10 yr. storm <br />Goodhue Dch to Residential in S. Boulder selller 303,500 <br />Davidson Ditch Road <br />A-V Existing uisance Floodin lake Park Pond <br />Jefferson Ave. Residential from Garfield Improve. <br />to Davidson ve.,& Via Appie at Garfield an <br />Ditch Way Culverts, Via' Appia Way 710,500 <br /> lack of chnl (10-yr.) , gras <br /> apacity/erosion chnl u/s of Vi <br /> /5 of Via ADoia Aooia Way <br />A VI Open Space Lack of Adeq. Grass chnl/ <br />Coal Crk chnl. capacity combined 215,50D <br />to Hwv 42 w/Reach A-I <br />A VII Existing uisance Floodin 2 yr. storm <br />HillY 42 to Residential along Spruce sewer 755,500 <br />Goodhue Ditch St., Existing <br /> ewer inadeauate <br />8-1 Open Space/ Exist. Sewer & 2 yr. storm <br />Coal Crk Med & lOIll culverts sewer &: channe 652,500 <br />to Front/Pine Density inadequate, improve <br />5t. Residential uisance floodin <br /> at C&SRR <br />C-I Exist. Med. lack of chnl Grass channel, <br />Coal Crk Density capacity below C&SRR br idge 566,000 <br />to Front St. Residential exist. se\ller, <br /> C&:SRR bridge <br /> on Coal Crk <br />C-II future low Problems are Diversion to <br />Coal Crk Densi ty local, being Reach 0-1, <br />o Goodhue Di tch Residential addressed by per. Cent. 1,326,500 <br /> Cent. Vlly, Valley/exist. <br /> facil. exten. <br />C-III future LOlli Lack of channel Grass chnl <br />Goodhue 9i tch Density Resid. capacity 599,500 <br />to Eisenhower <br />D-I Future LOlli lack of Channel Relocate grass <br />Coal Crk ensity Resident Capacity channel south 921,500 <br />o Goodhue Oi tch of Cherry St. <br />D-II Future Comm. &: Lack of Chnl 2 yr. storm <br />Goodhue to LO\ll Density Capacity se\ller w/Residu I 984,500 <br />isenho\ller Blvd. Residential flo\ll in st. <br />E-I Future low Lack of ehnl Grass Chnl <br />Coal Crk to Density Capacity Relocated alan ZI5,50D <br />entennial Mall Residential Di lIon Road <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />-26- <br /> <br />-27- <br />