State the basic requirements of foundation for :(i) Static equipment’s (ii) Rotating equipment’s

State the basic requirements of foundation for :(i) Static equipment’s (ii) Rotating equipment’s
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1 Answer

Answer :

Following are the basic requirements of foundation to be considered in designing the machine foundation for :(i) Static equipment’s (ii) Rotating equipment’s 

1. Depth of foundation should be proportional to the bearing capacity of soil. 

2. The foundation should be able to carry weight which includes:- 

 Weight of machine 

 Erection weight 

 Operating weight 

 Super imposed load weight 

 Accessories weight 

3. The foundation should be able to absorb the vibration while operating at its full capacity. 

4.The foundation should be sufficiently rigid:- 

 To maintain proper alignment between the motor and the driven machine. 

 To withstand the possible horizontal thrust caused by machine while in operation. 

5. The combined center of gravity of machine and foundation should be as far as possible, be in the same vertical line. 

6. Level of plinth of foundation should be above the maximum flood level of the site. 

7. There should be sufficient space all around the machine. 

8. The surface of foundation should be perfectly plane. 

9. The surface of foundation must be protected by means of suitable chemical coating or suitable chemical treatment. 

10. The foundation should be well cure before machine put on it. 

11. The dimension of foundation should be proportional to safe bearing capacity of soil.
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