PASSENGER SWIMMING POOLReplenishing of pool water is to be carried out by re-filling the surge tank with fresh water with an automatic level control.Anti-surge gutters are to be provided at the sides of the pools serving also as re-circulating gutter way.Standard pumps with mechanical seals one for each swimming pool to re-circulate the pool water are to be provided.Plate type steam heaters are to be provided one for each swimming pool, to allow heating of the pool water in cold climates.