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...