02-16-09 Drainage and Flooding Committee minutes

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k lot z 4~. a $ S 0 cia t e s Mr. Ron Bottoms March 13, 2009 Page 2 of 4 streams. As a participant in the National Flood Insurance Program (NFIP) proposed new development and significant redevelopment draining to County drainage facilities, cannot result in increased peak discharges and/or water surfaces elevations in receiving streams. Additional1y~ such development cannot have impacts to floodplain limits due to fill for areas where the base flood elevation (BFE) has been determined. Before acceptance of final design, the County requires an impact study be submitted to HCFCD and HC Watershed Coordination for review and acceptance of, and/or no objection to, the proposed project before permitting and construction. As part of our services, Klotz Associates will prepare an impact analysis report for submittal to the HCFCD for review. This signed and sealed report wiii be submitted to HCFCD and v.>ill describe the methods used to select sheet flow relief outfall locations and storm sewer improvements for the tweLve (12) projects. The purpose of the study is to demonstrate that the proposed improvements will have "no-impact" on receiving streams for stonn frequencies up to, and including, the lOO-year rainfall event. Included in the report shall be calculations, maps, and _ supporting dataprepared. hy..both parties. The ell}' may ref~enc.e. this report in submittals.teL _ . Harris County Public Infrastructure Department (RCPill), Plan Review section for acceptance and permitting purposes for the locations performed by City staff. Coordination between the City of La Porte and Klotz Associates will be required and include emails, meetings, and telephone conference calls as necessary through the completion of the project. On receipt of written notice-to-proceed, Klotz Associates will perform professional engineering services for the City as listed under the Scope of Basic Services described herein and in accordance with the Letter of Agreement for Consulting Services. SCOPE OF BASIC SERVICES A. Proiect Planning and Initiation I. Develop Project Plan, kickoff, resource allocation & schedule. 2. Meet \\1th both the City and HCFCD, 3. City will provide geometric data, cut & ftll quantities, and other design information for projects perfonned by City staff. 4. Klotz Associates \vill gather design data as needed from other sources.