8.1. SR 05-04-2020 - Laserfiche WebLink

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MnDOT Contract No. 1028386 Work Order No. 1 Exhibit B Detailed Scope of Work and Deliverables 16 The consultant team will seek input on the conceptual layouts from resource agencies and compile these comments for consideration by the PMT/TAB. A key element of the refined concepts will be identifying credible construction limits on the drawings. Too often construction limits are not determined in enough detail until much later in final design; identifying limits at this stage will help minimize surprises and call out potential impacts and cost risks. Other potential considerations will include grading limits due to ponding needs (and noise walls) and their location. Corridor Alternatives Analysis Prior to developing concept alternatives, the consultant team will work with stakeholders to establish evaluation criteria that incorporate the corridor vision, established goals, purpose and need information, and earlier public input on the issues and needs. It is anticipated that environmental, social, and transportation performance factors, such as wetland impacts, level-of-service, multimodal connectivity, access management, transit opportunities, enhanced pedestrian crossings, safety, cost, etc., will be used to evaluate the concept alternatives. Intersection operations will be evaluated for each alternative to ensure their conceptual designs accommodate future traffic conditions. Furthermore, the alternatives will be analyzed against the evaluation criteria to determine how they rank relative to each (i.e., access management, safety, pedestrian accommodations, etc.). Corridor Alternatives Screening/Evaluation The consultant team will compile impact assessment results using our innovative evaluation methodology. The evaluation system documents impact assessment criteria, tests and ranks the relative merits of each concept, compares concepts to each other and the no-build option, and documents the rationale for the locally preferred concept decision. The results of the evaluation process will be presented in a matrix, which is organized so stakeholders can easily discern the relationship between study goals and the measurable criteria used to evaluate concepts. The measurement of impacts will involve grading by magnitude of impact. For some criteria, quantifiable data will be available and included in the draft matrix, so the PMT/TAB can view results from the technical analyses. After discussion, data will be generalized into a “good, fair, or poor” format or a similar scale for public review. While each alternative will have different trade-offs with respect to the evaluation criteria, the matrices will help stakeholders review the analyses and provide meaningful comments. If the matrices become too large or alternative impact tradeoffs are unclear for the PMT/TAB, the consultant team will prepare a critical characteristics chart summarizing the most important alternative ratings by transportation, social, environmental, and cost categories. Similarly, for public review, the consultant team will further summarize findings with an advantage/ disadvantage chart, which helps the public quickly understand the relative benefits/constraints of each alternative using color coding and format. The presentation of this analysis in simplified graphics will enable stakeholders to quickly digest the relative merits of each alternative, so that they can offer constructive comments, and identify their preferences. The evaluation process, the evaluation matrices, and the draft ranking of concepts will be presented to the PMT/TAB for comment and refinement before presenting to resource agencies and the public for comments. Corridor Plan comparison matrix from Marshall TH 23 Corridor Study The consultant team will work with the PMT/TAB to determine and document the “locally” preferred corridor concept. The consultant team understands that any future use of federal funding will require additional NEPA environmental documentation before an official preferred corridor alignment can be selected. Upon selection of the locally preferred corridor concept, sketch level improvement options will be prepared for the key intersections along TH 10 and within the subarea.