CONSTRUCTION METHOD OF PIPELINE IN CONCRETE SLAB

PROBLEM TO BE SOLVED: To provide an environmentally-friendly construction method of a pipeline in a concrete slab, which improves work efficiency with reduced number of processes and allows for waste-free construction.SOLUTION: A construction method of a pipeline 4 in construction of concrete slab 1 includes: the pipe body arrangement step S1a of directly arranging a pipe body 2 for use as a pipeline 4 at a predetermined site in an object space A surrounded by a formwork B; the concrete pouring step S2 of pouring concrete 1 into the object space A in a state having the pipe body 2 arranged in the pipe body arrangement step S1a; the concrete solidification step S3 of solidifying concrete 1 poured in the concrete pouring step S2; and the pipeline installation step S4 of connecting the pipeline 4 to the pipe body 2, in a state having concrete 1 solidified in the concrete solidification step S3.