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HomeMy WebLinkAboutApproved Atlantis 708A Engineer's Letter1:11*1 1i1111_1zAL Consulting Engineers 5/3/21 Port St. Lucie Building Department 121 SW Port St. Lucie Blvd. Port St. Lucie, Florida 34984 Subject: Citation : 0222 Property: 1010_2 Ocean Drive, Unit 708 Jensen Beach, FL 34957 To Whom it may concern, The following addresses issues pertaining to the sliding glass door and window replacement for the above -mentioned project. Based on site observations the following are assumptions about the existing building: O Existing building is not post tensioned. Existing rebar was observed exposed in other areas of the building. O Building unit is sprinklered and has been confirmed by GC. 1. Replacement of existing 4'x9' window with new non -impact rated window into existing opening. Non -impact rated window protected by existing hurricane shutters. 2. Replacement of 11'x6'-8" multi -paneled sliding glass doors with new 11'x6'-8" non -impact rated multi -panel sliding glass doors. Non -impact rated sliding glass doors protected by existing hurricane shutters. 3. Replace existing wood framing over existing sliding glass doors. Provide new (2) 2X12 composite wood header w/ 1/2" plywood spacer. New composite wood header to be composed of (3) 1od x 3" long ring shank nails, 6" from ea. end and bal. evenly spaced w/ max spacing of 12" o.c. ea. Side. New p.t. 2x4 wood nailer to existing concrete floor above w/ 21/2" concrete anchors @ 6" ea. end and bal. evenly spaced w/ max spacing 32" o.c. New wood header attached to existing masonry wall @ ea. End w/ Simpson HUS412 masonry connection. 4. New wood framed exterior shall be constructed to re-establish the existing 1-hour rated assembly. 5. All doors and windows shall comply with the Wind Design Load Criteria below: Risk Category II Exposure Category D PHONE 321.635.9344 0 840 N. COCOA BLVD., SUITE B, COCOA, FL 32922 a W W W.NSG-ENG.COM hm ()TILE t"11 t " t"i"t .4 t. Consulting Engineers Maximum Components and Cladding Pressures are as follows: 4' x 9' Window: -53.6 PSF or +52.67 PSF (ASD) 11' x 6'-8" SGD: -51.4 PSF or + 49.4 PSF (ASD) Please contact me if you have any questions. Andy Noble Sincerely, ` ` ¢ W J. /V r,r t"s, . A rye/No � Noble Q S 7ATF OF � ✓f Y At- i Andrew J. Noble FL PE No. 54063 Noble Structural Group, Inc. Digitally signed by Andrew J Noble Date: 2021.05.03 13:09:42-04'00' PHONE 321.635.9344 8 840 N. COCOA BLVD., SurrE B, COCOA, FL 32922 ■ WWW.NSG-eNG.COM