Double angle attachment – bolted or welded to the building

Seismic Restraints for Mechanical Equipment Double angle attachment – bolted or welded to the building

***Figure 111:*** *Attachment of double angle for equipment support.*

Use this type of installation for duct-mounted coils, VAV boxes, or fan-coil units weighing less than 150 pounds.

Step 1: Attach anchors and vertical angles or strut to the building structure

For building structure attachment details, see Figures 95 to 100

Step 2: Attach horizontal framing

For attachment details, see Figure 111

Step 3: Attach anchors to the building structure for angle or strut restraints

For building structure attachment details, see Figure 105. See Anchors.

Step 4: Attach support angles or struts

One support is attached to the two vertical angles or struts. One support is attached to the building structure and to the top horizontal frame. For details on angle or strut attachment, see Figure 111

Step 5: Attach equipment

Attach equipment to the support assembly as shown in Figure 111

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