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ASSUMPTIONS <br />The cost proposal (i.e., Bid) for this project has been prepared using information contained in <br />the Contract Documents and additional information presented in the pre-bid conference held <br />on September 15, 1997, at the Marion County Courthouse. In addition to the above, the bid <br />items have been estimated for this project based on the following assumptions: - <br />1. For bid item 3, it has been assumed that a minimum of 500 cubic yards will be <br />excavated and stockpiled in any given day. It is assumed that the field engineer <br />will limit the amount of soil that can be removed in any given day due to <br />necessary field screening. <br />2. For bid item 4, it has been assumed that, at a minimum, 750 tons will be <br />transported to Browns Island Demolition Landfill in any given day, and that there <br />will be no tipping. <br />3. For bid item 5, it has been assumed that at a minimum, 500 tons will be <br />transported to Riverbend Landfill located in McMinnville, Oregon, in any given <br />day. Tipping fees are to be paid directly by the Marion County. <br />4. Multiple underground obstructions larger than one (1) foot in diameter will not <br />be encountered and/or hard rock formations will not be encountered. <br />5. No public utilities are to be moved or altered. <br />6. Unexpected project delays as a result of the owner or project engineer, are not <br />the responsibility of BB&A. <br />7. The surface of the property is such that heavy trucks can travel across the site <br />without getting stuck. There is no provision in this proposal for imported fill <br />necessary to build a temporary road capable of supporting repeated heavy truck <br />traffic. <br />DESCRIPTION OF TASKS <br />1.0 UST DECOMMISSIONING <br />The purpose of this project task is to permanently decommission by removal at least one (1) <br />known UST used to store heating oil. Since the UST at the Liu Property is unregulated, no <br />Department of Environmental Qulaity (DEQ) prior notification or permits will be necessary to <br />remove this tank. <br />! 1.1 Proiect Administration - Re4ulated Tanks <br />Permits will be prepared and submitted as required to local regulatory authorities. Should <br />' unknown regulated USTs be encountered, notice of Permanent Underground Storage Tank <br />Decommissioning form will be prepared and submitted to the DEQ for the removal and <br />~ permanent decommissioning of the UST. If the UST is not registered, a fee of 525.00 per year <br />BID PROPOSAL <br />~ MARION COUNTY COURTHOUSE S~UARE Page 2 <br />~~.. SEPTEMBER 19, 1997 <br />