Centrifugal end suction chilled water pump

1-supply centrifugal end suction hot water pump with flow rate 25 m3/hr and 50m head with the following specification :-
speed 1450 rpm
fluid :- hot water with 70 c qty:3
2-supply centrifugal end suction chilled water pump with flow rate 90 m3/hr and 50m head with the following specification :-
speed 1450 rpm
fluid :- chilled water with 6 c qty:5
3-supply electrical hot water boilers with heating capacity of 500 kw with following specification :-
water flow :- 21 m3/hr
temp.