In both new and existing buildings, in all new plumbing installations and major repairs or replacement of existing sewer or connection pipes, the drain, soil, rainwater and other pipes connected directly or indirectly to any drain, soil or waste pipe, and all traps, shall be exposed for view, inspection and test by the plumbing inspector, and shall not be covered until such test is made. (Amended during 1997 codification: prior code § 29-1-3)