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RFQ No. 20-10-01 Professional Engineering and Architectural Services for Pedestrian Bridge with Park Elements Across A1A at 174th St. CCNA City of Sunny Isles Beach |9 Lighting At night, lighting plays an integral part of the iconic look of any bridge. We propose to keep fixture quantities to a minimum and locate lights in positions that are protected and easily accessible for maintenance. The bridge’s aesthetic features will be accentuated giving the bridge a unique nocturnal identity, easily distinguishable from afar, providing a sense of place and arrival to the traveling public. Our team will develop a lighting strategy that can provide ample safety while still meeting the regulations for turtle- friendly restrictions on lighting mandated by the Florida Fish and Wildlife Conservation Commission Landscaping Our team will also develop a bridge design that recognizes the needs of landscape for proper soil volume and growth to reduce maintenance needs and requirements. Our landscape architecture team will ensure the right plants are in the right place, the plants are available, they are properly specified, the costs are accurate and all necessary ancillary items have been accounted for. This procedure can only be done by experienced landscape architects who are familiar with not only the landscape industry, but also with policies, procedures and requirements. Our team provide exactly this level of experience and knowledge, and we will ensure all landscape designs are appropriate, constructible and cost effective. FUTURE MAINTENANCE & INSPECTION FINLEY will incorporate into the bridge design standard, FDOT details that will minimize maintenance requirements and that will provide maximum durability. In addition, the FINLEY’s BrIM 3D modeling software, used during the bridge design to produce the design drawings, can also be provided as a 3D model to the City, at no additional cost, for use in maintaining the bridge within a 3D graphical environment. This modeling software environment can incorporate design information, construction documentation and future bridge inspections all within a 3D model that allows for easy access of the information in aggregate. These maintenance strategies will maximize the service life of this significant investment in the City’s infrastructure. MAINTENANCE OF TRAFFIC (MOT) & ERECTION SEQUENCE Our approach of using a steel box girder structure for the pedestrian overpass will reduce the number of MOT phases required to complete the project. The bridge support piers can be constructed with minimal disruption to traffic lanes and the overhead construction of the single span steel bridge deck will require temporary diversions to the opposite roadway during active, off-hour/night, or overhead work periods. The MOT will be phased to construct the eastern half of the steel bridge deck and allow this half to be cantilevered over the northbound lanes of Collins Avenue with a nighttime closure of the northbound lanes in Stage 1. Traffic in the northbound lanes can be reduced to one lane that will be shifted to the inside southbound lane at the 172nd Street intersection and back to the northbound lanes at the 174th Street intersection north of the structure crossing. In this phase the existing southbound lanes would be used to maintain 1 or 2 lanes (as the work zone would allow for installation of the eastern half of the structure) in the southbound direction and 1 lane in the northbound direction between 172nd Street and 174th Street. Stage 2 will be the reverse of Stage 1 to allow for construction of the western half of the steel bridge deck and the closure between the east and west cantilevered decks. This approach will eliminate any impacts to the existing landscaped median North and South of 174th Street. Sub-stages will be incorporated into Stages 1 & 2 to allow for the construction of the supports and other miscellaneous structure beyond the existing curbs that fall within the clear zones of Collins Avenue and/or 174th Street, and for the modifications to the median South of 174th Street to allow for U-turns. The MOT phasing will also include details to maintain safe ADA compliant pedestrian facilities through or around the work zone. Existing pedestrian access ways will be maintained or replicated to the greatest extent practical that will eliminate conflicts with worksite operations, and ensure passengers can access transit stops with safe boarding and unloading from the transit vehicles. DPROJECT UNDERSTANDING & APPROACH