3581 Sawgrass Tr E - Truswal Systems Permit#101143
TRUSWAL SYSTEMS C005035001
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Repair Procedure for Trusses with a Broken Web near Mid-Span
(Single Ply Trusses)
t 4 q r'E C
Side Member Length Table I
2x3 2x4
Up To - Number Side Member Side Member
I
0 C:
Web Force of Nails Dimension Dimension a m
5..-e~
i (pounds) "N" L" (inches) L (inches)
X500 6 6
1000 12 15 11
1500 17 21 15 ca az
2000 23 28 20 i
2500 29 35 25
3000 34 41 30 a D o
3500 40 8 10 0"
4 35
4000 45 54 39
I Use 10d 3.0" long Box Nails a ca
Use Canadian SPF Lumber (Same Size and Grade as Broken Web) n p
Duration of Load is 1.15
All Metal Gusset Plates MUST be fully intact and Pressed in
the Wood per TPI.
1. Adequately support the truss until the repair is complete.
Do not loosen the metal gusset plates during the repair.
2. Re-align the Broken Web.
3. Using the same material as the broken web, attach a side Use "N" nails
member to ONE face with 10c1- 3" long box nails as specified. here; j
Center the side member about the break. The required length
of side member must extend the distance "L" from the table
as shown in the detail. "L" must cover web only.. /
4. Use the number of nails as specified in the table on each
side of the break as shown in the detail. Distribute the
nails evenly thoughout and avoid splitting the wood.
Side Member Web Break
Use the MAXIMUM web force magnitude. For Use "N"
example: If the maximum tension in the web Is nails here
2500 and the maximum compression ist
-3000, use 3000 in the chart.
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