How to read a Truss design drawing cUstoMer service

How to read a Truss design drawing
A
B
C
D
E
F
A
G
B
H
I
KJ M
L
U
T
W
X
16
S
V
P
rooF key
Q
R
N
O
A - Cumulative Dimensions
- Cumulative
B -APanel
Length (feet - Dimensions
inches - sixteenths)
- Panel Length (feet - inches - sixteenths)
CB
- Slope
DC
- Plate
Size and Orientation
- Slope
E - Overall Height
D - Plate Size and Orientation
F - Bearing Location
- Overall
Height
Ge
- Truss
Span (feet
- inches - sexteenths)
- Bearing
HF
- Plate
Offsets Locations
I -G
Design
Loading
(PSF)(feet - inches - sixteenths)
- Truss
Span
J - Spacing O.C. (feet - inches - sixteenths)
H
Plate
Offsets
K - Duration of Load for Plate and Lumber Design
- Design Loading (PSF)
L -i Code
MJ
- TC,- BC,
and Web
Maximum
Indices
Spacing
O.C.
(feetCombined
- inchesStress
- sixteenths
Nk
- Deflections
(inches)
and Span
Deflection
Ratio
- Duration
of Load
for to
Plate
and Lumber
Design
O - Input Span to Deflection Ratio
- Code
P -LMiTek
Plate Allowables (PSI)
- TC,Requirements
BC, and Web Maximum Combined
QM
- Lumber
R - Reaction
(pounds)
Stress
Indices
S - Minimum Bearing Required (inches)
n
Deflections
(inches) and Span to Deflection Ratio
T - Maximum Uplift and/or Horizontal Reaction if Applicable
- input
SpanBracing
to Deflection Ratio
Uo
- Required
Member
V -PMember
AxialPlate
Forces Allowables
for Load Case (PSi)
1
- MiTek
WQ
- Notes
- Lumber Requirements
X - Additional Load/Load Cases
r - Reaction (pounds)
S - Minimum Bearing Required (inches)
T - Maximum Uplift and/or Horizontal Reaction
if applicable
U - Required Member Bracing
V - Member Axial Forces for Load Case 1
W - Notes
X - Additional Load/Load Cases