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<h1>Strong Frame<sup>&reg;</sup> Specification</h1>
  <h2>
    Why It’s Best to Specify a Strong Frame Moment Frame at the Beginning of the
    Design Process
  </h2>
  <p>
    The Simpson Strong-Tie Yield-Link&reg; moment connection used in the Strong
    Frame moment frames have many advantages over field-welded moment frames or
    other premanufactured moment frames. See Strong
    <a
      href="/products/lateral-systems/strong-frame-moment-frames/installer-overview/ordering-process"
      >Frame Ordering Process and Options</a
    >
    for additional information. It is also important to note that the design and
    detailing requirements for a moment frame can differ significantly and
    affect other portions of the structure depending on the type of frame
    selected. When an SMF is chosen, the lateral loads affecting the frame and
    other lateral-force-resisting systems can be significantly higher or lower
    depending on the required R-value based on ASCE 7. If an SMF is selected,
    the frame shall be designed and detailed based on a prequalified moment
    connection. Prequalified special moment frame connections have special
    detailing requirements dependent on the system chosen and need to be
    detailed and coordinated accordingly. We advise designers to choose the
    specific type of connections desired early in the design process in order to
    properly detail the selected frame type. While typical moment frames often
    have strict detailing requirements such as lateral torsional beam bracing, a
    Strong Frame special moment frame is exempt from this requirement by virtue
    of our patented Yield-Link technology. If the type of system is deferred
    after plan review, specific design requirement conflicts may end up being
    overlooked and the system may not perform as intended.
  </p>

  <h2>From Specification to Ordering</h2>

  <p>
    Once a frame has been designed based on the provided design criteria, a
    submittal package is provided to the designer. The designer reviews these
    design documents to ensure the design intent has been met and that the frame
    conforms acceptably to the designer’s construction documents. After an
    acceptable solution is determined, the frame and anchorage models are
    incorporated into the construction documents. The contractor is provided a
    Verification Drawing package to confirm the frame and anchorage dimensions
    before the order is placed. Although Simpson Strong-Tie does not perform the
    dimension verification, a representative is available to provide guidance in
    this process. If the design was created using Simpson Strong-Tie design
    services, we will also check any changes that the contractor requests. If
    the designer selected the design, the contractor shall notify the designer
    to confirm changes. Once the dimensions and the design are confirmed and the
    order is placed, no other steps are required by the designer for the frame
    fabrication. Fabrication drawings are created and reviewed internally,
    eliminating this traditional step, and are guaranteed to meet both the
    design and verified dimension requirements.
  </p>

  <h2>Submittal Process</h2>
  <p>
    The Simpson Strong-Tie Strong Frame using the Yield-Link structural fuse
    connection is code listed under
    <a
      href="https://www.aisc.org/globalassets/aisc/publications/standards/a358-20w.pdf"
      target="_blank"
      ><span class="icon-file-pdf"></span>AISC 358-16, Chapter 12</a
    >,
    <a
      href="http://www.icc-es.org/reports/pdf_files/ICC-ES/ESR-2802.pdf"
      target="_blank"
      ><span class="icon-file-pdf"></span>ICC-ES ESR-2802</a
    >
    with LABC and LARC supplement. All designs, whether using the Strong Frame
    selector software or Simpson Strong-Tie engineering services, follow the
    design specifications listed within. Specified frame designs are commonly
    incorporated into the designer’s submitted documents the same as other
    selected and specified products. When designs are completed utilizing
    Simpson Strong-Tie design services, Simpson Strong-Tie can provide a stamped
    and signed package for the final submittal upon request. Deferred submittals
    are not recommended for lateral systems such as moment frames, because
    different prequalified connections have various design requirements for the
    connection and detailing. For example, the Strong Frame special moment frame
    does not require lateral beam bracing, whereas other special moment frame
    connections would require such bracing.
  </p>
</div>

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