Grain Systems Bin Accessories PNEG-1870 - Manual (Page 11)

PNEG-1870 Special 40 PSF 120 MPH Wind 20 Thousand Lbs. 72' Roof Assembly 11
3. 72' Roof Assembly Instructions
Figure 3A Roof Support Layout
“Z” Collar and
beam detail.
(See Page 16.)
“X” Bracing and
purlin detail.
(See Page 15.)
“X” Bracing
bay detail.
(See Page 16.)
Beam and
stiffener detail.
(See Page 13.)