The portion of the foundation that the pumps sit on (7.7 m x 6.5 m) is 800mm thick and the rest is 650mm thick. Underside of concrete is the same all through. The concrete pile is embedded 150mm into the pile cap. The allowable overall displacement limit at motor shaft is 0.8 mils (from vendor...
I have two pumps that each weighs 6850 kgs (15100 lbs) and runs at 3600 RPM. Owing to certain restrictions the foundation on which my pump sits is only 650 mm thick (13.3m x 9.35m) with the two pumps centered on a 7.7m x 6.5m x 150mm thk pedestal. This big pile cap 13.3 x 9.35 is supported on...