Need pump capacity


We require  following 4 pumps. Please let me know how to calculate the capacity (HP) of the pump

1. A pump from well to sump - 3304 LPM, head 106mts with 50 % stand by.

2. A pump to discharge from sump 3304LPM, head 110 mts with 50% stand by.

3. A pump with 3075 LPM head 22mts with 100% stand by.

4. To clear sump 186 LPM with head 19mts with 100% stand by.

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