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I I I I I I I I I I I I I I I I I Reach II A II B III IV V A VB V C I I Locat i on Kipling to Addenbrooke Pond Addenbrooke Pond to Garrison Garrison to Rockmont Ponds Rockmont Pond to First Avenue First Avenue to Wadsworth Wadsworth to Channel Downstream of Commercial Property Commercial Property to Reed Reed to Confluence Through Golf Cou rse Alternatives a. Status Quo b. Nonstructural Strategy a. Status Quo b. Nonstructural Strategy c. Grass-Lined a. Status Quo b. Nonstructural Strategy c. Grass-Lined a. Status Quo b. Nonstructural Strategy c. Grass-Lined -d. Concrete-Li ned e. Condui t f. European-Type g. Acquisition of Residences a. Status Quo b. Nonstructural Strategy c. Grass-Lined d. Concrete-Lined e. Conduit f. European-Type a. Status Quo b. Concrete-Lined c. Condui t a. Status Quo b. Nonstructural Strategy c. Grass-Li ned d. Concrete-Lined e. Condui t f. European-Type a. Status Quo b. Grass-Lined c. Concrete Retaining Wall FrequenCY 100 year 100 year 100 year 100 year 5 to 100 year 100 year 100 year 5 to 100 year lOa year 100 year 5 to 100 year 5 to 100 year 5 to 100 yea r 5 to 100 year 5 to 100 year 100 year 100 year 5 to 100 year 5 to 100 year 5 to 100 year 5 to 100 year 100 year 5 to 100 year 5 to 100 year 100 year 100 year 5 to 100 year 5 to 100 year 5 to 100 year 5 to 100 year 100 year 5 to 100 year 100 year TABLE VI-2 PHASE A NON-STORAGE ALTERNATIVES INVESTIGATED SOUTH LAKEWOOD GULCH Remarks Floodplain zoning with no significant changes to existing channel or road & ditch crossings Includes improvements to existing Kipling St. culvert, ditch crossings, & Addenbrooke Pond Floodplain zoning with no significant changes to existing channel and road crossings Includes new structure at Garrison Street with transitions to existing channel Includes new structure at Garrison Street and channel improvements for reach Floodplain zoning with no significant changes to existing channel and road crossings Includes improvements to Rockmont Ponds to meet State Engineer's design requirements Includes improvements to Rockmont Ponds and channel improvements for reach Floodplain zoning with no significant changes to existing channel or road crossings Includes new structures at all road crossings (Cody Ct., Cody St., Bayaud Ave. & Brentwood St.) Includes new structures at all road crossings and channel improvements for reach Includes new structures at all road crossings and channel improvements for reach Includes new structures at all road crossings and channel improvements for reach Includes new structures at all road crossings and channel improvements for reach Includes acquisition of all buildings damage category "B" and above - see page Iv-4 Floodplain zoning with no significant changes to existing channel or road & ditch crossings Includes new structure at 1st Ave. from pond near Balsam to Rocky Mountain Ditch Includes new structure at 1st Ave. and channel improvements for reach Includes new structure at 1st Ave. and channel improvements for reach Includes new structure at 1st Ave. and channel improvements for reach Includes new structure at 1st Ave. and channel improvements for reach Floodplain zoning with no significant changes to existing channel or road crossings Includes new structure at Wadsworth Blvd. and channel improvements for reach Includes new structure at Wadsworth Blvd. and channel improvements for reach Floodplain zoning with no significant changes to existing channel or road cross i ngs Includes new structure at Reed St. and transitions to existing channel Includes new structure at Reed S t. and transitions to existing channel Includes neW structure at Reed St. and transitions to existing channel Includes new structure at Reed St. and transitions to existing channel Includes new structure at Reed St. and transitions to existing channel Floodplain zoning with no significant changes to existing channel Channel improvements at east side of Golf Course made of colored architectural concrete 36-inch high Flood Wall at east side of Golf Course VI-3