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(20-10-01) Professional Engineering and Architectural Services for Ped.
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Pedelta
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11/23/2020 12:15:43 PM
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11/23/2020 12:07:59 PM
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A Signature Bridge <br />SEP PEDELTA <br />The bridge is designed to add a distinctive visual element with a clear identity to the city of Sunny Isles without <br />dominating the skyline of the neighborhood. The bridge will be experienced by many residents and visitors, and <br />a daily volume of over 50,000 cars . For this reason, we believe that the bridge should be a signature structure, <br />providing unparalleled views from every angle and should not look like any other roadway bridge. <br />The bridge landing at the west end has limited space, while the east end sits on City's property, imposing an <br />asymmetric design concept. After an assessment of various arch alternatives, the solution that best fits the site <br />constraints is a one -span arch connected to a V-shape pier on the east end. This structural system will be very <br />efficient as it transforms the thrust of the arch into a set of axial forces in the V -pier that also provides a greater <br />openness underneath the crossing. <br />Pedelta Team proposes a unique arch design: a tied stainless steel network arch with a distinctive crossing <br />diagonal hanger pattern and a triangular cross section profile, with a single arch rib inclined at 18 degrees to <br />provide a slender, transparent and elegant structure. The arch tilts to the north, to create a more dynamic <br />visual experience for users, expressing a modern, understated, and elegant aesthetic. <br />The bridge is skewed to Collins Avenue to take advantage of the existing City properties and new easement on <br />the west side at the Winston Tower property. The span length is 160 ft and the rise of the arch is 24 ft above <br />the deck elevation. The depth of the arch rib is 3 ft. This geometry results in pleasing proportions and provides <br />a very slender, light, and transparent bridge. <br />Triangular cross-sections for arch and a trapezoidal cross-section for the tied -girder are proposed to achieve a <br />City of Sunny Isles Beach <br />Request for Qualifications No. 20-10-01 <br />-6- <br />
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