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TKDA <br /> <br />ENGINEER8 - ARCHITECTS , PLANNERS <br /> <br />complete stages of preliminary plan production. <br /> Deliverables <br /> <br /> Meeting minutes of all formal meetings <br /> <br />TASK 4: SURVEY/IVIAPPING <br />The aerial photography that was done by Horizons, Inc., for the <br />Northstar Corridor MIS/EIS will be utilized to the fullest extent <br />possible in the preparation of preliminary engineering documents. <br />Digital mapping from the aerial photography will be developed <br />and used as the base map(s) for the proposed rail capacity <br />improvement projects. Approximately 38 lineal miles of mapping <br />will be required to encompass the areas of the 15 specified <br />improvements. We have specified a 209-foot wide <br />corridor, centered on the existing railroad mainline, as the basis for <br />our digital mapping requirements. A 400-foot wide corridor will be <br />mapped at all roadway-crossing locations to provide sufficient <br />information to develop profiles. Mapping in areas outside of those <br />~hat are directly affected by the proposed improvements is not <br />included as part of this Proposal. <br /> <br />Control surveys for the mapping will be conducted along the <br />Corridor. The control surveys will be conducted with survey grade <br />GPS units utilizing both Static and RTK observations. Horizontal <br />control will be at least NGS Second Order Class II and vertical <br />closure will be at least + 0.1'. The NAD83 (1986 adj.) County <br />Coordinate System ground values will be used as the survey <br />datum. <br /> <br />Detailed ground surveys will be conducted at the four proposed <br />bridge reconstruction locations to obtain the additional information <br />necessary to prepare preliminary bridge plans. Additional field <br />survey work will also be performed along portions of the west side <br />of the Northtown Yard and along the proposed 3r'~ main track <br />between Interstate and Coon Creek to pinpoint property lines. This <br />information will be used in the preparation of right-of-way exhibits <br />and easement descriptions in the areas where the proposed <br />construction limits may extend beyond the existing BNSF right-of- <br />way. <br /> <br />A BNSF flagman will be required to be present for all field work <br />done by the TKDA Team on BNSF right-of-way. We have included <br />the cost of such flagging services as part of our Proposal. TKDA is <br />also an approved facilitator of the BNSF's Contractor Safety <br />Orientation Program, and will provide training to all TKDA Team <br />and NCDA members as part of this Proposal. This training is <br /> <br /> Preliminary Engineering Propoeal <br />TOLTZ, KING, DUVALL, ANDERSON & ASSOCIATES, INC. <br /> <br />52 <br /> <br /> <br />