REPAIRING METHOD OF CIRCULATING POOL AND CIRCULATING POOL

摘要

PROBLEM TO BE SOLVED: To provide the repairing method of a circulating pool, by which the width of a pool tank is hardly narrowed by repair, an improvement in the efficiency of site works can be attained and cost is reduced. ;SOLUTION: The repairing method of the circulating pool has a process in which a new drain pit 53 and new circulating discharge nozzles 50 are arranged onto the bottom plate 12 of an old pool tank while necessary piping execution is conducted, a process in which sand is deposited on the bottom plate 21 and a sand cushion layer 56 is formed, a process in which the surface of the sand cushion layer 56 is covered with a new bottom plate 57, a process in which the opening 53a of the new drain pit 53 and the nose openings 50a of the new circulating discharge nozzles are communicate circular opening sections 58 formed to the new bottom plate 57 and a rectangular opening section 59, a process in which new side wall plates 60, 61 are fast stuck and joined on the side wall plate 14 of the old pool tank while the new side wall plates 60, 61 and the new bottom plate 57 are connected and a new pool tank 62 with a highest water level higher than the highest water level of the old pool tank is formed, and a process in which a new overflow opening 64 and a recovery box 68 are installed outside the old pool tank.;COPYRIGHT: (C)2000,JPO