Grain Systems PNEG-1276 - Manual (Page 18)

4. Hardware
18 PNEG-1276 Top Dry Autoflow Construction Manual 24', 30' and 36'
Refer to Top Dry Tank Bolting Requirements for Complete Bolt Usage
0.3125" x 0.750" Pre-assembled with a steel backed neoprene washer.
This bolt is used to connect horizontal and vertical seams for 13 gauge and thinner sidewall sheets
to each other and to bolt the stiffeners to the sidewall sheets. It is also used in attaching roof panels
to the top sidewall sheet and attaching roof panels and flashing to the center collar.
0.3125" x 1.250" Pre-assembled with a steel backed neoprene washer.
This bolt is primarily used to connect roof panels together where they overlap. It is also used at the
bottom of the flat bottomed bins to attach the base angle to the sidewall sheet. A small number of
these are provided for joints and splice plates (FC-42076) for the stiffeners to sidewall connection.