Determine the following miscelleneous losses from fittings and valves. Tabulate number of velocity heads k$,$and Equivalent pipe diameters and find the sum of each.

The pipe run from the tank to the column contains the following valves

and fittings: $20$ standard elbows; two gate valves to isolate the pump $($operated fully open$)$; an orifice plate and a flow control valve. Take the pump efficiency as $70$ per cent and allow for a pressure drop of $0\mathrm{.}5$ bar across the control valve and a loss of $10$ velocity heads across the orifice.

ps: please show referece of the table you got the values from.