Grain Systems Tanks PNEG-4090 - Manual (Page 78)

Chapter 7: Roof Assembly
Table 7-1 A-frame installation sequence and temperature cable locations for 90 ft diameter bin
A-frame number Rafter Number Temp Cable Number Radius Location
A1
R1 T16 35.5 ft
R2 T2 14.8 ft
A2
R19 T12 35.5 ft
R20 T5 14.8 ft
A3
R13 T10 35.5 ft
R14 T4 14.8 ft
A4
R7 T8 35.5 ft
R8 T3 14.8 ft
A5
R25 T14 35.5 ft
R26 T6 14.8 ft
A6
R23 — —
R24 — —
A7
R5 — —
R6 — —
A8
R15 — —
R16 T11 35.5 ft
A9
R27 — —
R28 T15 35.5 ft
A10
R29 — —
R30 — —
A11
R11 — —
R12 — —
A12
R17 — —
R18 — —
A13
R3 — —
R4 T7 35.5 ft
A14
R9 — —
R10 T9 35.5 ft
A15
R21 — —
R22 T13 35.5 ft
NA Attach to center collar T1 5 ft
NOTE: A-frames labeled “A1” through “A5” have X-bracing and are installed first. A-frames labeled “A6”
through “A15” are standard A-frames. The empty spaces that are not labeled must have purlins
installed between the rafters after all the A-frames are secured. The numbers reflect the recom-
mended installation sequence of the A-frame assemblies.
Table 7-2 Starting lengths for temperature cables for 90 ft diameter bins
Length from the center collar 268.9 in. (683.01 cm)
Length from 14.8 ft diameter location 202.1 in. (513.33 cm)
Length from 35.5 ft diameter location 55.4 in. (140.72 cm)
78 Pneg-4090 90 Ft Diameter 40-Series Bin