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PROJECT MANAGEMENT AND WORK SCHEDULE <br />Olson Engineering personnel are available to schedule this investigation in fall 2023. Our <br />earliest availability is approximately mid -October. We estimate this investigation will be <br />completed in 1 - 10 hour field day and it must be conducted when the pavement surface is <br />dry as wet pavement conditions limit the depth of GPR electromagnetic wave energy <br />penetration. Based on the length of the profiles we will need —1.5 weeks after the field work is <br />completed to complete processing and submit a draft report. The project would be performed by <br />an Olson Engineering professional who is experienced in GPR data collection and analysis and the <br />report reviewed by Larry D. Olson, Chief Engineer who is a registered PE in Minnesota <br />FIELD SUPPORT REQUIREMENTS <br />We understand that the city of Arden Hills will provide access to the area to be tested and <br />traffic control, if required. We request the test area be free of obstructions and/or cars as much <br />possible in order to provide a consistent testing grid. We will be responsible for all geophysical <br />equipment needed at the site. <br />GEOPHYSICAL INVESTIGATION COSTS <br />The project will be conducted on a lump sum cost basis for $12,852.00 as detailed below. <br />An invoice will be submitted upon presentation of our draft report and is due on a net 30 days <br />basis. Note our contract and payment terms below including a 5% discount on invoices paid in <br />net 15 days. <br />91r_ 9r - - <br />Proposed Budget City of Arden Hills 10/6/2023 OE Proposal Number: P2023149.1 GP <br />New Brighton <br />Project Management <br />$125.00 <br />Olson Proposal No. P2023149.1 GP Page 4 <br />