TM 5-805-4/AFJMAN 32-1090
Table 8-4. Vibration Isolation Mounting for Rotary Screw Compressor Refrigeration Equipment Assembly.
Col. 1:
Mounting type (see text).
Col. 2:
Minimum ratio of weight of inertia block to total weight of
supported load.
Col. 3:
Minimum static deflection of stable steel springs in inches
for indicated floor span in feet.
8-12