BUILDING WEIGHTS (KIPS):
Item
Width or
Trib
Weight Weight Weight
Desc.
Height
Area
Unit Wt. Trans. Long.
Total
Length
Number
(ft)2
(ft)
(ft)
(psf)
(kips)
(kips)
(kips)
Level - High Roof
Diaph.
30
30
1
900
18.7
16.8
16.8
16.8
Longitudinal Walls (above and below the diaphragm)
Below
5.5
30
2
330
5.9
2.0
2.0
Transverse Walls (above and below the diaphragm)
Below
5.5
30
1
165
5.9
1.0
1.0
Below
30
1
105
5.9
0.6
3.5
0.6
Total High Roof Tributary Weight =
18.8
18.4
20.4
Level - Low Roof
Diaph.
30
40
1
1200
20.6
20.6
20.6
17.1
Longitudinal Walls (above and below the diaphragm)
Below
40.0
2
600
5.9
3.6
7.5
3.6
Transverse Walls (above and below the diaphragm)
Above
30.0
1
105
5.9
0.6
3.5
0.6
Below
30.0
1
225
5.9
1.3
7.5
1.3
Total Low Roof Tribrtary Weight =
24.1
22.5
26.1
Level - Second Floor
Diaph.
30
30
1
900
84.8
76.3
76.3
76.3
Longitudinal Walls (above and below the diaphragm)
Above
5.5
30.0
2
330
5.9
2.0
2.0
Below
30.0
2
330
5.9
2.0
5.5
2.0
Transverse Walls (above and below the diaphragm)
Above
30.0
1
165
5.9
1.0
5.5
1.0
Below
30.0
1
165
5.9
1.0
5.5
1.0
Total Second Floor Tributary Weight =
80.2
78.3
82.2
Total Building Weight =
129
Note: For metric conversions; 1-ft = 0.30m, 1-ft2 = 0.093m2, 1psf = 47.88N/m2, 1-kip = 4.448KN
Figure 3. Calculation of building weights.
H4-11
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