EFCO S5500 SSG Captured - Manual (Page 25)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 25 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section IV: Alternate Anchorage Method
STEP #3 INSTALL FRAME COMPONENTS
A. Stack the corner mullions together as shown in Step 2 of Section III. Note: Notching of the
second corner mullion to clear the mullion anchors and notching of the heads and sills are
required for drop-on application with mullion anchors. (See details on page 26.)
B. Repeat step 2 for the adjacent corner frame unit.
C. Install the remaining frame units as instructed in “Section V: Alternate Anchorage Method” of
the Series 5500 Outside Glazed or Inside Glazed Installation Instructions.
D. Refer to Section V and VI for Glazing Preparation and Glazing Installation.
SHEAR
BLOCKS FOR
DROP-ON SILL
CORNER ‘M’
ANCHOR
‘M’ ANCHOR
FORMED ALUM.
SHEAR BLOCKS
DEAD LOAD
SHIMS (TYP.)
PRE-ASSEMBLED
FRAME UNITS
ANCHOR BOLTS
AS REQ’D.
CORNER ‘M’
ANCHOR
FORMED ALUM.
SHEAR BLOCKS
‘M’ ANCHOR
SHEAR BLOCKS FOR
DROP-ON HEAD
HORIZ.
ATTACHMENT
SCREWS
DROP-ON
SILL
DROP-ON
HEAD