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Project Characteristics
Public Utilities
The current domestic water and domestic sewer services are adequate for the new building and therefore, the existing infrastructure will be used. A new fire sprinkler service line will be run approximately 200’ across the existing parking lot to feed the building’s sprinkler system, and a new fire hydrant will be installed at the parking lot island. •
Storm Sewer and Stormwater Management
The existing parking lot’s drainage system is sufficient for the planned construction. Roof drainage will be collected by storm lines at the building perimeter connected to roof drains and downspouts, which will be tied into the stormwater management system. The new building increases the impervious development area by 0.25 acre. An underground storage system below the existing parking lot will control stormwater flows from the site. However, flow quantities from the current Stryker Building and parking lot (an additional 0.85 acre) can also be captured by increasing the planned underground storage capacity. This will benefit the City by reducing stormwater flows during large storm events that have previously caused significant flooding of other adjacent areas and buildings. The location of the underground stormwater collection conserves as much of the site as possible at the corner of Boundary Street and Lafayette Street for possible future expansion. This underground best management practice (BMP) feature offsets the requirement to pay fees towards a regional BMP. •
Grading
As the existing curb lines and sidewalks that constitute the site boundaries will generally not be modified, required grading will be minimal. The building needs to be elevated in order to properly relate to the neighboring buildings. However, in order to minimize the ramp runs and stair risers from the south and west parking areas, it will only be raised approximately 12 inches above grade. Removal of the existing Stryker Building will be followed by placement of controlled fill within its footprint. For the remainder of the site around the existing building, the design-build team will manage the removal and replacement of the significant unsuitable soils that will need to be replaced to provide proper support for new construction. •
Landscape and Hardscape
Site hardscape finishes will be consistent with surrounding construction so as to preserve a unified appearance. Examples include brick sidewalks and modifications to the crosswalk connecting across City Square to the library entry. Street trees will be planted to reinforce the street edge running along Boundary Street, and extending into the City Square. The perimeter of the building will be landscaped as well, and all sidewalks on the site will be brick pavers. In keeping with the layout at the Library, heavy-duty brick pavers will be used at crosswalks and parallel parking spaces. Ground mounted lighting will be installed to provide soft lighting at the flagpoles at the building entrance.
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