rising main of 9 inches , the head q 27 allowed for friction was 24 feet , found by the formula 22 d a which makes a total height of 202 feet . To calculate the horse - power required to raise the water to the high reservoir : By the ordinary method 61 ^ 62 ^ we have a result of 24 , and adding a… … Fig . 138 . — Engine and Pump . working , and when standing the pressure is reduced to that due to the statical pressure , namely , 178 feet . The engine , which is non - condensing , and is placed vertically , is
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