Gamma GBF220, Technical Installation Manual

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γ
TM
GAMMA
γ
TM
7
P R O O F
3.0 Performance and Construction
The performance and construction of the Gamma Bracing systems is detailed in Table 2. The values for wind and
earthquake are obtained from testing and evaluation that has been carried out in accordance with NZS3604:2011 and
P21[2010] test and evaluation procedures.
TABLE 1 Performance & Construction
Gamma
System
Reference
Performance
Bracing Units (BU’s)
Stud Qty & Configuration
(Min Stud Size 90 x 45mm) System Size Including Framing
Wind Earth
Stud Centres
(mm)
Left
Side
Right
Side
Minimum Wall
length (mm)
Minimum Wall
Height (mm)
Maximum Wall
Height (mm)
Page
#
GBF220S/2100 45 53
310
2 2
400
2100 2400
14
GBF220/2400 37 44 2 2 2400 2700
16
GBF400S/2100 51 63
400
1 1
445
2100 2400
18
GBF400/2400 45 55 1 1 2400 2700
20
GBF400/2700 40 40 1 1 2700 3000
21
GBF400/3000 35 40
400
1 1
490
3000 3300
22
GBF450S/2100 65 74 1 2 2100 2400
23
GBF450/2400 57 65 1 2 2400 2700
24
GBF450/2700 50 57 1 2 2700 3000
25
GBF450/3000 45 52
400
1 2
535
3000 3300
26
GBF535S/2100 79 86 2 2 2100 2400
27
GBF535/2400 69 75 2 2 2400 2700
28
GBF535/2700 61 67 2 2 2700 3000
29
GBF535/3000 55 60
600
2 2
600
3000 3300
30
GBF600S/2100 90 90 1 1 2100 2400
32
GBF600/2400 84 90 1 1 2400 2700
34
GBF600/2700 70 70 1 1 2700 3000
35
GBF600/3000 55 60 1 1 3000 3600
36
GBPF/2400 124 137
n/a n/a n/a 6000
2400 2400
37
GBPF/2700 110 122 2700 2700
38
GBF600 39 + 84 - 44 + 90 2 220mm + 645mm 2400mm 123 134
GBF400/600 45 + 84 - 55 + 90 1 220mm + 645mm 2400mm 129 145
GBF220/535 39 + 69 - 44 + 75 2 45mm + 535mm 2400mm 108 144
COMBINATIONS OF GBF TYPES - TYPICAL SYSTEMS SEE BELOW
OR ANY OTHER COMBINATION TO MEET DESIRED DESIGN AND BRACING REQUIRED.
3.1 SYSTEM SUMMARY TABLE
Short (Wall Height) P - Portal
Gamma Frame/Wall Length
Gamma Bracing Frame
GBF 220 S