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The ponds depicted on Figure 16 in Appendix A depict areas that are best suited for regional rate control basins only. Additional design parameters and regional storm water management planning should be further refined as the areas begin to develop. Cost estimates were not developed for the regional pond construction or internal site storm sewer conveyance. It is anticipated that costs associated with pond construction will be completed by the developer as a portion of the site grading. Also, it is assumed that internal site drainage will be accommodated by dry swales and ditch systems to reduce storm sewer costs. Street Lighting The costs included for street lighting were derived from recent projects within the City of Ramsey and are considered to be reasonable costs associated with providing street and pedestrian lighting along the corridors. Costs include conduit, wiring and the actual light fixtures to be installed. The density of the lighting fixtures is similar to the level provided along the recently constructed Riverdale Drive, east of Armstrong Boulevard. Our understanding is the spacing may be increased (decreasing the number of fixtures) for Phases 2 and 3. This may slightly reduce the costs associated with these phases. The costs provided are considered conservative for that reason and may be reduced depending upon the types of developments proposed. Trails/Sidewalks Existing trails were previously constructed along the north side of Bunker Lake Boulevard and the west side of Puma Street. Project costs were prepared which include trails along the south side of Bunker Lake Boulevard and the east side of Puma Street. Phase Transitions There is the potential for portions of the roadways to be constructed to wider sections than currently exist. If this occurs, the new roadways will need to taper to meet the existing roadway widths. The tapered sections will then be removed as the next phase of improvements is completed. Costs were included in each phase for these tapering sections. Right Turn Lane Additions The roadways depicted in the exhibits depict through lanes and left turn lanes. Right turn lanes will be required at each access off of Bunker Lake Boulevard and Puma Street. Individual access locations were not considered in this study, and so the locations and lengths of right turn lanes were not considered at this time. The actual access locations will be dependent upon the type of land use and internal site characteristics. We included allowances for the right turn lanes in each phase for budgeting purposes. Landscaping The base project includes a very utilitarian approach to the area. Bituminous trails and lighting were included, but other features, such as trees, shrubs, decorative features and monuments are not included in the estimated project costs. Prepared by: Bolton & Menk, Inc. ADDITIONAL ANALYSIS City of Ramsey — Future Business Park Page 10