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HomeMy WebLinkAboutItem Py li AGENDA REPORT �a x,01 DATE:. July 23, 2001 TO: Honorable Mayor and City Council THRU: John B. Bahorski, City Manager FROM: Doug Dancs, P.E., Director of Public Works / City Engineer SUBJECT: BOLSA CHICA CHANNEL — PHASE II IMPROVEMENTS: ORANGE COUNTY FLOOD CONTROL DISTRICT SUMMARY OF REOUEST: The proposed action will adopt a resolution _ to approve the Bolas Chica Channel Improvement project by the Orange County Flood Control District (OCFCD). BACKGROUND: In January 2001, City Council approved Bolsa Chica Channel Phase I. The purpose of the project is to improve the capacity and enhance flood protection of the Bolsa Chica Channel from the I -405 to the Belgrade Channel in Garden Grove. This channel is located along the easterly City boundary adjacent to the College Park East residential area. Phase I of the project consisted of constructing a concrete lined rectangular channel to replace the existinj barthen bottomed trapezoidal channel. The Orange County Flood Control district is now requesting City Council approval for phase II for construction of improvements to the Bolas Chica Channel/Garden Grove Channel. The Garden Grove Storm Channel is proposed to be realigned to confluence with the Bolas Chica Channel downstream of the 405/22 Freeway Interchange in place of the existing confluence upstream of the Freeway Interchange. The project consists of jacking a 9 -ft diameter concrete pipe beneath the 405/22 Freeway Interchange. The project will reduce the possibility of flooding in the City of Seal Beach upstream of the Freeway Interchange. FISCAL IMPACT: There will be no fiscal impact to the City since the project is fully funded by the County. j f;" n, / I RECOMMENDATION: It is recommended that the City Council adopt the resolution to approve the Bolas Chica Channel Improvement project by the Orange County Flood Control District (OCFCD). Doug Dancs, P.E. Director of Public Wo Ir/EiirE ec