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Desertfox, I mean the intent of standard is foundation's bearing force ability, so this isn't a "mass race", because the strength of foundation(usually concrete foundation) is not only depend on it's mass.

Thank you very much. But the noticeable point is that ANSI standard use "the weight"-means force, i think it doesn't equal with "the mass"

Hi everyone, standard ANSI/HI 1.4 stated that: "A.4.3 Foundation: The foundation should be sufficiently substantial to absorb vibration (e.g., at least five times the weight of the pump unit) and to form a permanent, rigid support for the baseplate." so does the five times the weight means...

Hi everyone, someone please tell me what code require that we must design the standby filter in the circulation system for public swimming pool? thank you very much, and sorry about my bad English.

This is the first time i design sprinkler head for linen chute, but i cant find the detail of installation of sprinkler head for it. So anyone have drawing about placing sprinkler head in linen chute please share, even a picture with dimension is wonderfull. Sorry about my bad english. Thank you...

thank you, thank you very much.

Hello everyone. I just graduated last year, but in my country we dont speak english, now i want to shelf-study a english couse of civil engineering, but i dont have enough money to go to aboard. So, please share your course and book list that i can shelf study. Thank you very much, and sorry for...