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January 10, 2022 <br />Via email: rlchoron@fortuneintlarouo.com <br />Ron Choron <br />Vice President of Construction <br />Fortune International <br />1300 Brickell Avenue <br />Miami, Florida 33131 <br />RE: Initial Comments for La Playa Beach Site Plan <br />Modifications and Conditional Use <br />Conceptual Structural Narrative <br />Dear Ron, <br />FOUNDING PRINCIPALS <br />Robert J. McNamara, P.E., S.E. <br />Elm C Elm I V E <br />JAN 2 6 ;-)022 <br />PLANNING & ZONING DEPT. <br />City of Sunny Isles Beach, FL <br />Joseph A. Solvio, P.E. <br />MANAGING PRINCIPALS <br />Boston <br />Marl, F. Aho, F.E. <br />Neil A..Atkinson <br />John S. fNaiuszewski, F.E. <br />Adam C. McCarthy, P,E. <br />Benjamin B. Wild, F.E. <br />Florida <br />Andrew P. Sullivan, P.E., S.E. <br />New York <br />Ryan A. Dow, P.E.. S.E. <br />VladimirE.Seijas, P.E. <br />Bari A. Sullivan. P.E. <br />We are in receipt of the Initial Comments for La Playa Beach Site Plan Modification and Conditional Use dated <br />December 23, 2021 authored by the City of Sunny Isles Beach. Note No. 7 of the Staff Comments section of this <br />document requests a structural narrative. <br />The Conceptual Structural Narrative for the project is as follows: <br />Foundations and Excavation <br />The excavation will first consist of a soil mix system to create cementitious ground around the perimeter and <br />foot print of the future basement (and pile cap thicknesses). Cast -in-place concrete auger cast piles will be <br />installed for the purpose of supporting the final building structure but also engage will the soil mix system / act <br />as hold-down due the excavation. Then the site will be excavated. The soil mix along with the piles will resist <br />the hydrostatic ground water pressure until waterproofing and the complete basement structure is complete. <br />The basement slab and the perimeter basement walls will likely consist of 16" thick concrete. The first elevated <br />basement parking level will consist of a 12" thick mild -reinforced elevated slab. <br />Superstructure <br />The overall superstructure will generally consist of a cast -in-place system. The columns will be spaced at 30 <br />feet x 30 feet on center allowing an 8" post -tension flat slab at the elevated garage and residential levels. The <br />slabs will be thicker where they support planters and pools. Curved (or faceted columns) will be provided at <br />the north and south elevations. <br />The lateral system will consist of concrete shear walls located around the stair and elevators and the overall <br />cores. <br />BOSTON MIAMI NEW YORK ORLANDO WEST PALM BEACH CREATIVE TO THE CORE <br />