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I APPENDIX B SHEET 3 OF 6 CITY OF LOUISVILLE DRAINAGE ALTERNATIVES DRAINAGEWAY "A" I A-I --+ - -~-,-- I I WATER RESOURCES CONSULTANTS INC. FEBRUARY. 1982 I .~: LEGEND ~ : : : : : : : : : I ~~ V//#/#4' ):( I I Grass channel with check drops (includes culverts) Riprap channel (Includes culverts) Concrete channel (includes culverts) Culverts A-V I r---ss....., Storm sewer (includes culverts) ~ Detention improvements o , 1000 00 3000 , A -W A-1ZI I GRASS CHANNEL 'YES With and w/o relocation of reach A- 1lI (Plan#l wlo $1,748,000.) Plan #1 wi $1,901,500.) NO High valued industrial area, proposed 48" RCP scale",ooo' I . Recommended alternative REACH (COST) A- I DEVEL STATUS QUO NO SELECTED STRUCTURAL NO Problems not localized RIP RAP ICONC. CHANNEL NO Adequale R,O.W. for grass channel STORM SEWER YES Requires 66' RCP for 2yr. flood (Plan +2 $1,446,500.) .YES 1 OYr-t flood design to meet St. capacity criteria *1#2 2Yr.l54'O $251,500.) (#2 10Yr;/84"O$337,00,) .YES 1 OVr~ flood design to meet St. capacity criteria *1#3 2Yr.l48'li> $447,000.) (#3 10Yr7172'O $511,000,) NO REGIONAL DETENTION NO Close to Coal Creek RELOCA TIONI DIVERSION .yES Combine with Reach A- 1lI I Future low density residential Lack of adequate existing facilities Coal Creek 10 HWY 42 I NO Due to existing drainage problems A- II A YES Culverls al HWY 42, Laffayelle 51., Canon 51. (Plan # 1 $158,000.) YES Cone. channel through Industrial property (Plan #3 $921,500.) NO Adequale R.O. W. for grass channel Existing industrial and commercial NO NO Would aggrevate problems of other areas HWY 42 10 C. & S.R.R. High valued Industrial area I NO Due to existing drainage problems YES Culverts al C. & S.R.R. Main 51. and Lafarge 51. (Plan #1 $422,500.) A- II B Existing C. & S,R,R. 10 residential Jefferson Ave. Ihrough Middle School A- ill Existing Jefferson Ave. to low density residential Soulh Boulder Road A-N Existing Goodhue Ditch to residential Davidson Ditch along S. Boulder Road A- Y Existing Jefferson Ave. to residential Davidson Ditch through Lake Park A - "lZI Future Coal Creek 10 HWY 42 low density residential A - 1ZII Existing residential Colo, HWY 42 10 Goodhue Ditch along Spruce 51. YES Through school property (Plan +2 $873,500.) NO NO I Lack of storage area Would aggrevate problems of other areas .YES Generally adequate facilities 'YES YES NO Adequale R.O.W, for grass channel NO NO I Ditch structure, culverts at Improved channel, erosion Garfield and Jefferson control, ditch structures (Plan #1 $64,000.) (Plan +2 $591,500) Generally adequate channel Existing residential area Would sggrevate problems of other areas I NO YES Culverts under ditches (Plan # 1 $27,000,) NO Inadequale R.O.W. NO .YES Requires 27" or 33"RCP for 1 OYr ~ flood (#2 2Yr.l24"O $254,500,) #2 10Y033'O$303,500.) NO Adequale R,O, W. for open channel NO Inadequate storage area available YES Diversion to Reach A- Y nol feasible Lack of adequate existing facilities Existing developed area I 'YES Generally adequate facilities YES Ditch structures, culverts at Via Appla, Garfield St. pond Improvements (Plan #1 $112,00OJ NO Problems not localized .YES Above Via Appia Way (Plan +2 $710,500.) YES NO NO Above Via Appia Way (Plan #3 $814,000.) Onsite detention for future development Would aggrevate problems of other areas I NO Lack of adequate existing facilities .YES (Plan #1 w/o reloc . $936,500.) (Plan +1 wlreloc $215,500.) NO NO Adequate R.Q.W. for grass channel NO Open space use near Coal Creek NO .YES Combine with Reach A- I Close to Coal Creek I NO Lack of adequate exlslln9 facllllies YES Culverls al HWY 42 and C. & S.R.R. (Plan # 1 $204,000.) NO .YES 10Yr. flood design to meet St. capacity criteria #2 2Yr.l48"O $755,500.) (#2 10Yr.l54'O $855,500.) NO NO I Lack of adequale R.O"W" Lack of adequale R.O.W. Onsite detention for future development Would aggrevate problems of other areas I -28-