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• 0 <br /> FS288B Bracket Specifications and Capacities <br /> when used with the PP288 Push Pier System <br /> Bracket: Pier Starter Tube: Cap Plate: <br /> Weldment manufactured from 1/4",Ni", Pier tube section with machined 03.375" 1"x 5.00"x 9.00"ASTM A572 Grade 50 <br /> and 1"ASTM A36 plate. friction reduction collar pressed around with confining ring welded to one side. <br /> leading end. <br /> Pier Tube: Bracket Hardwaret3t: <br /> 02.875"x 0.165"wall x 36"long External Sleeve: (2)-ON"x 16"long all-thread rod <br /> Triple-coated in-line galvanized 03.500"x 0.216"wall x 30"or 48"long with Grade B7,tensile strength=125 ksi(min) <br /> ASTM A500 Grade C welded collar or trumpet flare at one end. Electrozinc plated per ASTM B633 <br /> Yield strength=50 ksi(min) ASTM A500 Grade B or C <br /> Tensile strength=55 ksi(min) Yield strength=50 ksi(min) Bracket Finish: <br /> Tensile strength=62 ksi(min) Available plain or hot-dip galvanized', <br /> Pier Tube Coupler: <br /> 02.250"x 0.180"wall x 6"long <br /> rlh <br /> CAP PLATE <br /> ALL-THREAD ROD , i EXISTING <br /> STRUCTURE <br /> FS288B ./ ,I <br /> SS BRACKET I11 } <br /> r TEMPORARY m <br /> m Plain 23.9 36.7 EXCAVATION W <br /> CO <br /> ;° 2 Plain Corroded') 18.5 28.4 <br /> Q <br /> 0 Grout Filled Corroded') 20.9 32.1 Z <br /> D X Maximum Drive Force2 0" O <br /> z w During Instaltationgr 48.1 60.0 a Q <br /> co wipm. U <br /> J <br /> H <br /> ._I <br /> (1) Corroded capacities include a 50-year scheduled sacrificial loss w I- <br /> D in thickness per ICC-ES AC406.Grout filled piers consider a loss \ (I)n in thickness at the outside diameter only. EXTERNAL SLEEVE \rTi z <br /> (2) Hot-dip galvanized coating in accordance with ASTM A123. (48"SHOWN) Q <br /> c-nn 0 <br /> (3) Optional hardware utilizes similar sized contour (coil) thread d <br /> made from AISI 1045,tensile strength=120 ksi.Slightly lower <br /> tensile strength material does not govern the listed capacities. <br /> (4) Brackets shall be used for support of structures that are <br /> considered to be fixed from translation.Structures that are not <br /> fixed from translation shall be braced in some manner prior to <br /> installing retrofit brackets systems. PP288 <br /> (5) Allowable compression capacities consider continuous lateral soil PIER SHAFT <br /> confinement in soils with SPT blow counts>_4.Piers with exposed l <br /> unbraced lengths or piers placed in weaker or fluid soils should be I--6.75—I CO <br /> evaluated on a case by case basis by the project engineer. illi Z <br /> u- + 0 <br /> (6) Concrete bearing assumes a minimum compressive strength m a to <br /> (f'c)of 2,500 psi.Local concrete bending and other local design W <br /> checks should be evaluated on a case by case basis by the 11111 <br /> fo <br /> project engineer. — <br /> 1 I <br /> !— <br /> 10I' 8.00 o <br /> (7) Push Piers shall be installed with a driving force exceeding the <br /> required allowable service load by a sufficient factor of safety /1111 'd W <br /> (FOS). FOS is most commonly between 1.5 and 2.0,although 'r I in 4 <br /> U <br /> a higher or lower FOS may be considered at the discretion < <br /> al <br /> of the pier designer or as dictated by loccode or project <br /> I CO <br /> requirements. <br /> + 0 <br /> 10.00 pii CO <br /> m <br /> Chapter 3 p 256 ©2014 Foundation Supportworks5,Inc. <br /> Hydraulically-Driven Push Piers All Rights Reserved , <br />