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? Section 2 VIRNI Project Approach 0 Task 101 - Review of Existing Records• ? Malcolm Pirnie will review existing records of the WWTP site ta begin confirming the existing drainage structures and discharge point. Malcolm Pirnie will verify the records in the field and test as neces- ? sary, with the assistance of the WWTP staff, the drainage systems to document that no other connections exist. The City will provide to Malcolm Pirnie the construction schedule of the Dechlorination pro- ? ject in order to project the stormwater runoff impacts of ongoing construction at the plant site and the expected impacts of future construction projects. , Task 102 - Site Mapping: Malcolm Pirnie will subcontract for the aerial photography and pro- vide the information necessary to produce a AutoCAD topographic map of the WWTP site usable for the stormwater permit application, the graphic displays to be contained in the North Olmsted WWTp Facilities Plan Update, and suitable for use in the development of any necessary future detailed design documents. Ytalcolm Pirnie will purchase the most recent Cuyahoga County Orthophoto mapping surrounding the WWTP site for determinin(y the drainage pattern within one quarter mile of the WWTP site. y Task 103 - Install Flow Monitor. Sampler and Raingauge• Malcolm Pirnie will subcontract for the rental, installation and cali- bration of the one flow monitor, one sampler, and one raingauge. Malcolm Pirnie will instruct the WWTP personnel in the procedure for the collection and operation of the sample, and provide the list of required analysis parameters and analytical detection limits to the WWTP laboratory. The City will perform the analysis for the pollut- ant parameters routinely analyzed for the discharge from the WWTp. Malcolm Pirnie will subcontract for any analyses for [yollutants that are not routinely performed by the WWTP laboratory or its contrac- ting laboratory. Task 104 - Data Review: Malcolm Pirnie will review the flow data, sampling analysis and pre- cipitation data obtained and prepare the data for inclusion in the Stormwater Permit Application. The results of the stormwater sam- pling and precipitation monitoring must be available thirty (30) da_ys prior to September 15, 1992 in order to allow Malcolm Pirnie suffi- M-2o?6=t.P/cLL Non/i Olmsted IVGV'TP Stonntvuter .NPDES Pemtit Applicatioit / 2-4 Confidcntial 13usincss Information RECYCLED PAPGR