121332968-109-West-57Th-Street
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DEPT OF BLDGS121332968 Job Number ES320427398 Scan Code DEPT OF BLDGS121332968 Job Number ES797476317 Scan Code 40 Wall Street, 23rd Floor LERA New York, NY 10005-1339 Tel: (212) 750-9000 Leslie E. Robertson Associates International, Fax: (212) 750-9002 Consulting Engineers, PLLC http://www.lera.com William J. Faschan Partner [email protected] 28 August 2014 File: P890 Mr. Simon Koster JDS Development Group 210 West 18th Street New York, NY 10011 Via e-mail: [email protected] 111 West 57th Street Foundation Permit Application Structural Peer Review Dear Simon: At the request of JDS Development Group, Leslie E. Robertson Associates, R.L.L.P. has conducted a Structural Peer Review of the foundation design of 111 West 57th Street as required by New York City Building Code Section 1627. This report summarizes the extent and findings of our review. We have reviewed the plans listed in Appendix A, as well as the available wind tunnel and geotechnical reports, copies of which are attached to this report as Appendix B. Through our review, we have confirmed the following aspects of the foundation design, as required by Section 1627.6.1: the design loads conform to the Building Code; the design criteria and design assumptions conform to the Building Code; the design properly incorporates the recommendations of the geotechnical engineer; the structure has a complete load path; based on our independent calculations of representative footings and foundation wall sections, we find that the design of the foundations have adequate strength; the structural plans are in general conformance with the architectural plans regarding loads and other conditions that affect the structural design; and the structural foundation plans are generally complete. Mr. Simon Koster 28 August 2014 LERA Page 2 Accordingly, we find the design of the foundations to be in general conformance with the structural and foundation design provisions of the Building Code. The opinions expressed in this letter represent our professional view, based on the information made available to us. In developing these opinions, we have exercised a degree of care and skill commensurate with that exercised by professional engineers licensed in the State of New York for similar types of projects. No other warranty, expressed or implied, is made as to the professional advice included in this letter. Regards, LESLIE E. ROBERTSON ASSOCIATES INTERNATIONAL, P.L.L.C. William J. Faschan WJF/pi cc: Mr. Silvian Marcus, WSPCS via e-mail: [email protected] Mr. Matthew Phillips, JDS Development via e-mail: mphillips@ jdsdevelopmentgroup.com APPENDIX A Reviewed Plans P806 28 August 2014 LERA Page 1 111 WEST 57TH STREET STRUCTURAL DRAWING LIST DRAWING NUMBER DRAWING TITLE NO. DATE SUBMISSION FO-001 GENERAL NOTES, LEGEND AND 100% CD ABBREVIATIONS FOUNDATION 06-25-14 SET 100% CD FO-100 FOUNDATION PLAN FOUNDATION 06-25-14 SET FO-200 FOUNDATION TYPICAL DETAILS 1 100% CD FOUNDATION 06-25-14 SET FO-201 FOUNDATION TYPICAL DETAILS 2 100% CD FOUNDATION 06-25-14 SET FO-202 FOUNDATION TYPICAL DETAILS 3 100% CD FOUNDATION 06-25-14 SET FO-203 FOUNDATION TYPICAL DETAILS 4 100% CD FOUNDATION 06-25-14 SET FO-300 FOUNDATION SECTION 100% CD FOUNDATION 06-25-14 SET FO-301 FOUNDATION SECTION 100% CD FOUNDATION 06-25-14 SET S-940 SHEAR WALL REINFORCEMENT PLAN 100% CD FOUNDATION 06-25-14 SET 100% CD S-945 TYPICAL SHEARWALL DETAILS FOUNDATION 06-25-14 SET 100% CD S-955 CONCRETE COLUMN SCHEDULE FOUNDATION 06-25-14 SET S-956 CONCRETE TYPICAL COLUMN 100% CD FOUNDATION DETAILS 06-25-14 SET APPENDIX B Wind Tunnel and Geotechnical Reports ! " " # $ %&'( ) " (& * + ), * ) * - . /01 " 2 ''23 01 &" 2 435 !67 ' 8 97 6 7 :" ) &" (& &&'>- &( 6 &&'>- ( &( 6 ! 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" ' 8 '#*:# $ #&5 $& :- GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, OPT 1: BRONZE 18% OPAQUE OPT 2: BRONZE 18% OPAQUE OPT 1: BRONZE 18% OPAQUE OPT 2: BRONZE 18% OPAQUE 1412.5’ 1421’ 155’ 163’-10” 1180’ 1180’ 947.5’ 947.5’ 155’ 163’-10” 637.5’ 637.5’ EAST ELEVATION TOWER TOP GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, OPT 1: BRONZE 18% OPAQUE OPT 2: BRONZE 18% OPAQUE OPT 1: BRONZE 18% OPAQUE OPT 2: BRONZE 18% OPAQUE LEVEL 96 LEVEL 96 LEVEL 95 LEVEL 95 LEVEL 94 LEVEL 94 LEVEL 93 LEVEL 93 LEVEL 92 LEVEL 92 155’ LEVEL 91 163’-10” LEVEL 91 LEVEL 90 LEVEL 90 LEVEL 89 LEVEL 89 LEVEL 88 LEVEL 88 LEVEL 87 LEVEL 87 LEVEL 86 LEVEL 86 LEVEL 85 LEVEL 85 TMD TMD LEVEL 84 TMD TMD LEVEL 84 LEVEL 83 LEVEL 83 41’-11” 41’-11” LEVEL 82 LEVEL 82 MECH EMR 1 MECH EMR 1 LEVEL 81 LEVEL 81 LEVEL 80 LEVEL 80 EMR 2 EMR 2 MECH LEVEL 79 MECH LEVEL 79 LAST LAST PASSENGER PASSENGER LEVEL 78 LEVEL 78 LEVEL 77 LEVEL 77 LAST LAST PASSENGER PASSENGER T6 LEVEL 76 T6 LEVEL 76 LEVEL 75 LEVEL 75 LEVEL 74 LEVEL 74 LEVEL 73 LEVEL 73 T5 LEVEL 72 T5 LEVEL 72 LEVEL 71 LEVEL 71 LEVEL 70 LEVEL 70 LEVEL 69 LEVEL 69 T4 LEVEL 68 T4 LEVEL 68 LEVEL 67 LEVEL 67 LEVEL 66 LEVEL 66 LEVEL 65 LEVEL 65 LEVEL 64 LEVEL 64 LEVEL 63 LEVEL 63 T3 LEVEL 62 T3 LEVEL 62 LEVEL 61 LEVEL 61 LEVEL 60 LEVEL 60 LEVEL 59 LEVEL 59 LEVEL 58 LEVEL 58 MECH LEVEL 57 MECH LEVEL 57 LEVEL 56 LEVEL 56 LEVEL 55 LEVEL 55 LEVEL 54 LEVEL 54 LEVEL 53 LEVEL 53 T2 LEVEL 52 T2 LEVEL 52 LEVEL 51 LEVEL 51 LEVEL 50 LEVEL 50 LEVEL 49 LEVEL 49 LEVEL 48 LEVEL 48 LEVEL 47 LEVEL 47 LEVEL 46 LEVEL 46 LEVEL 45 LEVEL 45 LEVEL 44 LEVEL 44 LEVEL 43 LEVEL 43 LEVEL 42 LEVEL 42 LEVEL 41 LEVEL 41 LEVEL 40 LEVEL 40 LEVEL 39 LEVEL 39 LEVEL 38 LEVEL 38 LEVEL 37 LEVEL 37 LEVEL 36 LEVEL 36 MECH LEVEL 35 MECH LEVEL 35 LEVEL 34 LEVEL 34 T1 LEVEL 33 T1 LEVEL 33 LEVEL 32 LEVEL 32 LEVEL 31 LEVEL 31 LEVEL 30 LEVEL 30 LEVEL 29 LEVEL 29 LEVEL 28 LEVEL 28 LEVEL 27 LEVEL 27 LEVEL 26 LEVEL 26 LEVEL 25 LEVEL 25 LEVEL 24 LEVEL 24 LEVEL 23 LEVEL 23 LEVEL 22 LEVEL 22 LEVEL 21 LEVEL 21 LEVEL 20 LEVEL 20 LEVEL 19 LEVEL 19 LEVEL 17 LEVEL 17 LEVEL 16 LEVEL 16 EAST ELEVATION NORTHEAST GLASS 11.5% OPAQUE, GLASS 11.5% OPAQUE, OPT 1: BRONZE 18% OPAQUE