
Stiffener Splice Location ............................................................................................................57
Stiffener Part Number Description ..............................................................................................58
Color Codes for Stiffener Gauge Identification .............................................................................58
Standard Stiffeners....................................................................................................................59
Top Stiffeners............................................................................................................................60
Stiffeners Splice ........................................................................................................................61
Base Stiffeners .........................................................................................................................62
Base Boots ...............................................................................................................................63
One-Ring Top Stiffener (16 Ga) to a One-Ring Stiffener (15–16 Ga) ..............................................64
One-Ring Top Stiffener (16 Ga) to a Two-Ring Stiffener (15–16 Ga) ..............................................64
One-Ring Top Stiffener (16 Ga) to a Two-Ring Stiffener (8–14 Ga) ................................................65
One-Ring Stiffener (15–16 Ga) to a Two-Ring Stiffener (15–16 Ga)...............................................65
One-Ring Stiffener (15–16 Ga) to a Two-Ring Stiffener (8–14 Ga).................................................66
Two-Ring Stiffener (15-16 Ga) to a Two-Ring Stiffener (8–14 Ga)..................................................66
Two-Ring Stiffener (15-16 Ga) to a Two-Ring Stiffener (15–16 Ga)................................................67
Two-Ring Stiffener (8–14 Ga) to a Two-Ring Stiffener (8–14 Ga) Connection .................................67
Two-Ring Stiffener (8–14 Ga) to a Two-Ring Stiffener (2–6 Ga) Connection ...................................68
Two-Ring Stiffener (8–14 Ga) to a Base Stiffener (8 Ga)...............................................................68
Two-Ring Stiffener (8–14 Ga) to a Base Stiffener (10–16 Ga) Connection......................................69
Two-Ring Stiffener (2–6 Ga) to a Base Stiffener (2–6 Ga) .............................................................69
Two-Ring Stiffener (15–16 Ga) to a Base Stiffener (10–16 Ga)......................................................70
Two-Ring Stiffener (2–6 Ga) to a Laminated Stiffener (2 Ga) with an Insert (10–12 Ga)...................70
Laminated Stiffeners (2 Ga) with Inserts (10–12 Ga) ....................................................................71
Laminated Stiffener (2 Ga) with an Insert (10–12 Ga) to a Laminated Base Stiffener (2 Ga) with
a Base Insert (2–12 Ga).................................................................................................71
Base Stiffener (10–16 Ga) to a Base Boot ...................................................................................72
Base Stiffener (2+12 Ga – 8 Ga) to a Base Boot ..........................................................................72
Laminated Base Stiffener (2 Ga) with Insert (2+12 to 2+10 Ga) to a Base Boot ..............................73
Standard Stiffener to a 12–Bolt Pattern Laminated Stiffener with Insert..........................................73
12–Bolt Pattern Laminated Stiffeners with Insert..........................................................................74
12–Bolt Pattern Laminated Stiffener to Laminated Base Stiffener with Inserts to a Base
Boot .............................................................................................................................75
12–Bolt Pattern Laminated Stiffener to Laminated Base Stiffener with an Inserts to a Base
Boot .............................................................................................................................76
Chapter 8 Door Assembly........................................................................................................................77
Door Assembly General Information ...........................................................................................78
Installing the Door Weldment .....................................................................................................79
Installing the Bearing Pins..........................................................................................................82
Installing the Latch Bar Holders ..................................................................................................83
Assembling the Top and Bottom Inner Doors ...............................................................................84
Installing the Inside Door Panels.................................................................................................85
Assembling the Outer Door ........................................................................................................86
Installing the Outer Door ............................................................................................................87
Options for Two Ring Door - Bin Step..........................................................................................92
Chapter 9 Roof Assembly........................................................................................................................93
Roof Assembly Instructions........................................................................................................93
Assembling Center Collar ..........................................................................................................94
Intermediate Center Collar (For 33 ft Diameter Bins) ....................................................................95
Roof Flashing ...........................................................................................................................96
Roof Panel Instructions..............................................................................................................98
Roof Ring Locations ................................................................................................................103
Installing a Roof Ring...............................................................................................................104
Chapter 10 Accessories ..........................................................................................................................107
Ladder Section Assembly ........................................................................................................ 108
Inside Ladder Placement .........................................................................................................109
Installing the Inside Ladder Bottom Bracket............................................................................... 112
4PNEG-4330 30 Ft. and 33 Ft. Diameter 40-Series Bins