TETRA TECH, INC.
As part of TAS 96-3135-LEVEE CERTIFICATION, MASSILLON LEVEE, OHIO-Contractor must review as-built information and collect supplemental data to meet the certification requirements outlines in 44 CFR 65.10 and detailed in National Flood Insurance Program for the massillon Levee, located in Massillon, Stark County, Ohio. The contractor will be responsible for determining that interaction among the companents will not result in possible failure. Responsible for producing these supporting engineering analyses and reporting the component condition and certification recommendation. Contractor will be responsible for performing the certification determination. Certification engineering analysis shall consist of Hydrology and Hydraulics, Geotechnical, Structural, Electrical, and Mechanical evaluation. Major factors to be considered in the technical evaluation include: O&M plans, levee certification field inspection, characterizing the flood hazard, capacity exceedence/failure criteria, freeboard, closure devices, embankment protection, seepage analysis, embankment and foundation stability, settlement, construction records and control testing, performance records, major maintenance and rehabilitation, interior drainage, and residual risk and public safety. A Levee Certification Report shall be prepared to document and describe the basis for the certification recommendation of the Massillon levee system. The LCR shall be sufficient to support the execution of the Independent Technical Review process described in paragraph 10.c of NFIP ETL (draft)_1110-2-570. Five copies of the draft submittals shall be submitted . Upon completion five (5) copies of the final report shall be submitted and properly bound. The report shall include all text tables, figures, and exhibits to support the findings, results, and recommendations. In addition to hardcopies, all computer files generated shall be submitted on CD rom formatted in Microsoft Word. To insure all work submitted is technically accurate the Contractor shall develop and execute an Independent Technical Review Plan. This plan shall be submitted for review and approval by the government. The Contractor is responsible for Quality Control. The Contractor is responsible for the formulation and preparation of all work required in this Statement of Work. All final reports, figures, drawings, calculation, and report cover letters will be sealed or stamped by the responsible engineer. The intermediate reports and final report will be submitted for Quality Assurance review and shall be complete and free of spelling, typographic, and grammatical errors. The 50% and 90% drafts reports will be submitted for QA review and comments by Corps of Engineers personnel. The 50% draft report shall be submitted within 5 month of the notice to proceed and the 90% draft report shall be submitted within 7 month of the notice to proceed.