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I i I I I I I I I I I I I I I I I I I I with recommendation and estimate of probable construction cost will be presented to the City for approval. 3.2.1.4. Signature Style. We have visited the site on several occasions and have gained significant knowledge of the site and its vicinity, and are aware of the importance in selecting the type of structure that will enhance the environment and physical conditions of the site, minimizing adverse conditions to the resident of the area. Aesthetic treatment of the structure will be addressed during the conceptual design making of the structure during the original usage an attractive thoroughfare for pedestrian and bike users. 3.2.1.5. Alignment. Horizontal aligrunents connecting North Bay Road from 172nd Street and 174th Street will be studied and coordinated with our bridge staff to accommodate the most efficient and aesthetically pleasant structure. 3.2.1.6. Load requirements. The structure will be designed to carry AASHTO H20 loading plus pedestrian loads. 3.2.1.7. Geometry Constrain. 3.2.1.7.1. Water Clearance Type of bridge alternatives will consider a minimum vertical clearance of 6 foot, measured from the high water elevation to the lowest member of the superstructure. 3.2.1.7.2 Design Speed. The design speed will be based on the preferred horizontal aligrunent and will range between 15 mph to 25 mph. 3.2.2. Boardwalk A 12-foot wide boardwalk is proposed to be located along the South edge of the canal connecting the existing Town Center Park at its West end, to the East sidewalk of the proposed bridge system at the Southeast comer. Measuring approximately 850 feet, this timber structure will excel the natural scene of the canal and at the same time will provide a relaxed envirorunent for pedestrians. The proposed structure will be constructed at the edge of the existing mangroves to minimize any envirorunental impact to the ecosystem and to facilitate related permitting issues. The design will comply with the latest Boardwalk Design Guidelines and will meet ADA compliance to guarantee comfortable and easy access to disable citizens. Our structural staff will closely coordinate with Terracon (Geotechnical Sub-consultant) to efficiently design of the foundation. T:IMARKETINGIPROPOSALSIMARKETING,0710724 pedestrian bridgelDoclPedestrian Bridge and boardwalk.doc Page 5 of 8