TABLE 1A
Vibration Isolator Types and Minimum Static Deflection
(MSD, mm) for 100-200 mm slab on grade and column supported.
Column
Slab on earth
9.1-12 meters
12.1-15 meters
Spacing
and 0-9 meter
Equipment
Type
MSD
Type
MSD
Type
MSD
_________
(Note (1))
(Note (1))
(Note (1))
Up to 15 kW
S-I
38.10
S-I
63.50
S-I
63.50
15 to 56 kW
S-I
38.10
S-I
63.50
S-I
88.90
Over 56 kW
S-I
63.50
S-I
88.90
S-I
88.90
Cooling Towers and
SV with deflections specified for centrifugal
Evaporative Condensers
blowers when springs are supported on beams.
Use deflection listed for column supported
floors with up to 9 meters column spacing
when springs are located on columns or
bearing walls
Factory
Assembled Air
Handling
Equipment
AH, AC and HV
Units
(Note (2))
Suspended
Units
Up to 3 3/4 kW
H
25.40
H
25.40
H
25.40
Over 3 3/4 kW
Up to 400 rpm
H
44.45
H
44.45
H
44.45
Over 401 rpm
H
25.40
H
38.10
H
63.50
Floor Mounted
Units
Up to 3 3/4 kW
S
25.40
S
25.40
S
25.40
Over 3 3/4 kW
Up to 400 rpm
S-R
44.45
S-R
44.45
S-R
63.50
Over 401 rpm
S-R
25.40
S-R
38.10
S-R
63.50
Centrifugal
Blowers
175 - 224 rpm
S-B
120.65
S-B
120.65
S-B
120.65
225 - 299 rpm
S-B
95.25
S-B
120.65
S-B
120.65
300 - 374 rpm
S-B
69.85
S-B
114.30
S-B
120.65
375 - 499 rpm
S-B
63.50
S-B
88.90
S-B
114.30
Over 500 rpm
S-B
44.45
S-B
63.50
S-B
88.90
SECTION 15070N
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