EFCO 8750XD - Manual (Page 24)

EFCO 2012 Page 24
Series 8750XD Unitized Curtain Wall Installation Instructions
Section 5 - Intermediate Floor Slab Anchor Installation
4. Slab anchors on all floors must be aligned with each other and with the started sill.
a. Use established bench marks to ensure the accuracy of the starter sill location and the alignment of the slab anchors. Precise measurement and
coordination with regard to established bench marks are critical to ensure that both the starter sills and slab anchors are installed in the correct
location. Improperly installed or mis-located starter sills or slab anchors will cause significant problems for the remainder of the install.
b. In order to accommodate variation in slab size and location. It is important to place and align all slab anchors before final anchorage of the starter sill.
c. The typical spacing between the front face of the slab anchors and the interior face of the static sill is 1-1/16”. See figure 45 below.
d. The typical spacing between the front face of the slab anchors and the interior face of the dynamic sill is 1”. See figure 46 below.
e. Refer to the final approved shop drawings or supplemental installation instructions for more information.
Figure 46
Slab Anchor
Figure 45
Slab Anchor
1-1/16”
Typical 1” Typical
Static Starter Sill
Dynamic Starter Sill