2009 - Illinois DNR - State of Illinois

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TABLE 8DAMAGESECONOMICSCONTINUED PLAN DESCRIPTION 1-YR 2-YR 5-YR 10-YR 25-YR 50-YR 100-YR TOTAL AAD AAB EST. TOTAL COST O&M AAC B/CBASELINEBASELINE MODELWITH RAND PARKPUMP STATION$ STR $ STR $ STR $ STR $ STR $ STR $ STR (DIRECT+INDIRECT) (INCL. LAND RIGHTS) (INCL. O&M)$0 0 $16,297 1 $26,324 2 $73,377 11 $571,920 38 $1,576,405 64 $3,751,040 96 $144,531COMBINATIONIMPROVEMENTSALTERNATIVE D1ALTERNATIVE D2COMBINE C2, C6,S11COMBINE C2, S11$0 0 $0 0 $0 0 $0 0 $6,464 2 $55,022 10 $929,839 37 $18,038 $126,493 $5,863,000 $37,900 $377,840 0.33ALTERNATIVE D3COMBINE C6, S11$0 0 $0 0 $0 0 $0 0 $37,799 7 $227,382 21 $1,200,648 53 $27,519 $117,012 $5,749,000 $37,400 $370,731 0.32ALTERNATIVE D4COMBINE C7, S11$0 0 $0 0 $0 0 $0 0 $21,559 7 $100,794 15 $923,175 34 $19,466 $125,065 $3,654,000 $20,500 $232,361 0.54ALTERNATIVE D5COMBINE C2, S8$0 0 $0 0 $0 0 $0 0 $6,544 2 $51,129 9 $904,135 34 $17,509 $127,022 $3,883,000 $22,200 $247,339 0.51ALTERNATIVE D6COMBINE C7, S4$0 0 $16,297 1 $23,132 1 $32,622 2 $139,366 14 $1,435,386 55 $2,007,281 67 $85,164 $59,367 $2,347,000 $18,400 $154,481 0.38ALTERNATIVE D7COMBINE C4, S11$0 0 $16,297 1 $23,132 1 $36,045 3 $112,542 11 $946,350 30 $1,394,595 44 $64,374 $80,157 $3,173,000 $19,100 $203,072 0.39ALTERNATIVE D8COMBINE C8, S8$0 0 $0 0 $0 0 $0 0 $6,544 2 $75,547 14 $1,032,897 39 $20,266 $124,265 $3,770,000 $21,800 $240,387 0.52ALTERNATIVE D9ALTERNATIVE D10ALTERNATIVE D11COMBINE S11, C7 &C8COMBINE S11, C6 &C8COMBINE S2, S5, S8,C6, & C8$0 0 $16,297 1 $23,132 1 $54,010 6 $383,215 28 $1,550,515 64 $3,467,145 90 $127,272 $17,259 $1,791,000 $24,700 $128,543 0.13$0 0 $0 0 $0 0 $0 0 $0 0 $50,274 9 $935,912 34 $17,751 $126,780 $5,589,000 $46,300 $370,354 0.34$0 0 $0 0 $0 0 $0 0 $15,015 5 $99,939 15 $950,437 34 $19,627 $124,904 $5,361,000 $44,600 $355,434 0.35$0 0 $16,297 1 $23,132 1 $29,440 1 $108,832 7 $294,288 22 $1,419,234 47 $52,268 $92,263 $4,461,000 $40,100 $298,752 0.31OTHERALTERNATIVESALTERNATIVE L1PARKVIEW LANECULVERT$0 0 $16,297 1 $26,324 2 $73,377 11 $492,495 32 $1,264,694 54 $3,403,740 85 $128,856 $15,675 $7,800 $60 $512 30.60PREVIOUSALTERNATIVESALTERNATIVE 2A-2$82,561 $61,970 $6,787,000 $39,600 $433,114 0.14ALTERNATIVE 2E-2$82,561 $61,970 $8,321,000 $55,800 $538,257 0.12ALTERNATIVE C2 - DOWNSTREAM DEMPSTER STORM SEWER DIVERSION TO TOLLWAYALTERNATIVE C4 - ADDITIONAL DEE ROAD PIPEALTERNATIVE C6 - REPLACE RANCHO LANE CULVERTSALTERNATIVE C7 - REPLACE RANCHO LANE CULVERTS AND ADDITIONAL DEE ROAD PIPEALTERNATIVE C8 - CONFLUENCE TO BELLEAU LAKE CONVEYANCE
FLOOD DAMAGE REDUCTION ALTERNATIVESConceptually, five flood damage reduction measures were considered:1) Additional flood water storage in the watershed to reduce flood flows entering theflood damage areas;2) Channel conveyance improvements on Farmers and Prairie Creek.3) Other improvements to protect flood damage prone areas;4) Combinations of additional flood storage and channel conveyance improvements onFarmers and Prairie Creek; and5) Non-structural mitigation measures through structure modificationsThe storage, conveyance, combination, and other structural concepts were furtherdeveloped into 34 potential flood damage reduction alternatives for further investigation.STORAGE IMPROVEMENTSAlternative S1: Dude Ranch Pond Expansion With Lake Mary Anne Pump StationAlternative S2: Good Avenue PondAlternative S3: Lutheran General Hospital PondAlternative S4: Lutheran General Hospital Pond and High School ReservoirAlternative S5: High School ReservoirAlternative S6: Belleau Lake ExpansionAlternative S7: Lake Mary Anne Pump StationAlternative S8: Belleau Lake LoweredAlternative S9: Dude Ranch Pond With Lake Mary Anne Pump Station, GoodAvenue Pond, Lutheran General Hospital Pond, High SchoolReservoir, and Belleau Lake LoweredAlternative S10: Good Avenue Pond, Lutheran General Hospital Pond, HighSchool Reservoir, and Belleau Lake LoweredAlternative S11: Dude Ranch Pond With Lake Mary Anne Pump Station, LutheranGeneral Hospital Pond, High School Reservoir, and BelleauLake LoweredAlternative S12: Dude Ranch Pond ExpansionCONVEYANCE IMPROVEMENTSEight conveyance improvements were investigated at part of the study and arelisted below. Each of these conveyance alternatives investigated, would provideflood damage reduction benefits along Prairie Creek and sometimes along Upper26
Page 4: Alternative C5 - Pipe From Lutheran
Page 7 and 8: 27. Alternative D6 - Combine Altern
Page 9 and 10: As shown in Exhibit 1, the study ar
Page 11: construct addition flood water stor
Page 14 and 15: PURPOSE AND AUTHORITYThis report hi
Page 16 and 17: infrastructure and commercial devel
Page 18 and 19: Central Road20120220620420710110410
Page 21 and 22: TABLE 3: CRITICAL DURATION DETERMIN
Page 23 and 24: Prairie Creek is modeled as a singl
Page 25 and 26: TABLE 5 CONTINUED: CALIBRATION DATA
Page 27 and 28: average annual damages under existi
Page 29 and 30: EXHIBIT 5: SAMPLE FLOOD DAMAGE COMP
Page 31: DAMAGE RESULTS TABLE 8PLAN DESCRIPT
Page 36 and 37: STORAGE IMPROVEMENTSALTERNATIVE S1
Page 38 and 39: Table 9: Alternative S1 - Dude Ranc
Page 40 and 41: Exhibit 7: Alternative S2 - Good Av
Page 42 and 43: ALTERNATIVE S3 - LUTHERAN GENERAL H
Page 44 and 45: Table 11: Alternative S3 - Lutheran
Page 46 and 47: Exhibit 9: Alternative S4 - Luthera
Page 48 and 49: ALTERNATIVE S5 - HIGH SCHOOL RESERV
Page 50 and 51: Table 13: Alternative S5 - High Sch
Page 52 and 53: Exhibit 11: Alternative S6 - Bellea
Page 54 and 55: ALTERNATIVE S7 - LAKE MARY ANNE PUM
Page 56 and 57: Table 15: Alternative S7 - Lake Mar
Page 58 and 59: Exhibit 13: Alternative S8 - Bellea
Page 60 and 61: ALTERNATIVE S9 -COMBINED STORAGE AT
Page 62 and 63: normal flows to bypass the lake in
Page 64 and 65: Table 17: Alternative S9 - Combined
Page 66 and 67: An additional 50 acre-feet flood st
Page 68 and 69: Table 18: Alternative S10 - Combine
Page 70 and 71: the flood storage at the site by ap
Page 72 and 73: Table 19: Alternative S11 - Combine
Page 74 and 75: Exhibit 17: Alternative S12 - Dude
Page 76 and 77: CONVEYANCE IMPROVEMENTSALTERNATIVE
Page 78 and 79: ALTERNATIVE C3 - DEMPSTER STORM SEW
Page 80 and 81: ALTERNATIVE C5 - PIPE FROM LUTHERAN
Page 82 and 83:
ALTERNATIVE C7 - REPLACE RANCHO LAN
Page 84 and 85:
OTHER IMPROVEMENTSALTERNATIVE L1- P
Page 86 and 87:
COMBINATION IMPROVEMENTSALTERNATIVE
Page 88 and 89:
damages for 59 structures currently
Page 90 and 91:
Table 22 Continued: Alternative D1F
Page 92 and 93:
Hospital property, north of Dempste
Page 94 and 95:
Table 23: Alternative D2 - Combine
Page 96 and 97:
sewer system would be restricted to
Page 98 and 99:
Page 100 and 101:
sewer system would be restricted to
Page 102 and 103:
Page 104 and 105:
Exhibit 31: Alternative D5 - Combin
Page 106 and 107:
ALTERNATIVE D6 - COMBINE STORAGE AL
Page 108 and 109:
Page 110 and 111:
Page 112 and 113:
Page 114 and 115:
Exhibit 34: Alternative D8 - Combin
Page 116 and 117:
ALTERNATIVE D9 - COMBINE STORAGE AL
Page 118 and 119:
Existing flood damages along Lower
Page 120 and 121:
Table 30 Continued: Alternative D9F
Page 122 and 123:
Page 124 and 125:
Page 126 and 127:
ALTERNATIVE D11 - COMBINE STORAGE A
Page 128 and 129:
Exhibit 37: Alternative D11 - Combi
Page 130 and 131:
Table 32 Continued: Alternative D11
Page 133:
ALTERNATIVE D13: PRAIRIE CREEK CULV
Page 136 and 137:
community can realize additional re
Page 138 and 139:
concrete block or brick veneer over
Page 141 and 142:
CONCLUSIONSFarmers and Prairie Cree
Page 143 and 144:
costs to construct these improvemen
Page 145 and 146:
S1S2S3S7S8S12S11S9D7TABLE 33 Farmer
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2009 - Illinois DNR - State of Illinois

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