Structural 2

Minimum # of longitudinal Bars for

Rectangular & circular tied columns

• 5

• 4

• 3

• 6

Minimum # of longitudinal Bars for

Triangular tied column

• 3

• 5

• 4

• 6

Minimum # of longitudinal Bars for

Spiral column

• 6

• 5

• 4

• 3

Lateral ties for longitudinal bars

with 32 mm or smaller

• 10mm

• 16mm

• 12mm

• 18mm

Lateral ties for longitudinal bars

With 36 mm or larger bundled longitudinal bars

• 10mm

• 12mm

• 16mm

• 18mm

The spacing of the ties shall not exceed :

Longitudinal bar diameter

• 16

• 48

• 25

• 75

The spacing of the ties shall not exceed : the bar diameter the least dimension of the compression member

• 12

• 48

• 25

• 75

Wind Load Importance ( NSCP ) for

Essential facilties

• 1.15

• 1.0

• 1.2

• 0.87

Wind Load Importance ( NSCP ) for

Hazardous Facilites

• 1.15

• 1.2

• 1.0

• .87

Wind Load Importance ( NSCP ) for

Standard Occupancies

• 1.15

• 1.0

• .87

• 1.2