P-355 - NAVFAC Seismic Design for Buildings,
February 1982.
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NOTE: The following table serves only as a
guideline. Delete items that are not applicable.
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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))
Absorption
SV-R
25.40
SV-R
44.45
SV-R
69.85
Refrigeration
Machines
Centrifugal
Chillers or
Heat Pumps
Hermetic Type
SV-B
44.45
SV-B
63.50
SV-B
88.90
Open Type
SV-1
44.45
SV-I
63.50
SV-I
88.90
Reciprocating Air
or Refrigeration
500 to 750 rpm
S-R
44.45
S-R
63.50
S-R
88.90
751 rpm and up
S-R
38.10
S-R
63.50
S-R
88.90
Reciprocating
Chillers or
Heat Pumps
500 to 750 rpm
SV-R
44.45
SV-R
63.50
SV-R
88.90
751 rpm and up
SV-R
38.10
SV-R
63.50
SV-R
88.90
SV
25.40
SV
63.50
SV-R
88.90
Closed Coupled
Pumps
Up to 5 1/2 kW
S-I
25.40
S-I
25.40
S-I
25.40
Over 5 1/2 kW
S-I
38.10
S-I
63.50
S-I
63.50
Base Mounted
Pumps
SECTION 15070N
Page 9