초록 ▼

This invention includes repair of an existing underground sump without the need for costly and time consuming excavation. A plurality of liner-forming pieces are placed inside the underground sump to create a liner preferably substantially conforming to the interior dimensions of the sump. The piece

This invention includes repair of an existing underground sump without the need for costly and time consuming excavation. A plurality of liner-forming pieces are placed inside the underground sump to create a liner preferably substantially conforming to the interior dimensions of the sump. The pieces are joined together to form a unitary containment shell by first taping and then using fiberglass cloth and fiberglass resin. A layer of gel-coat is applied to the surface of the shell to create a fluidtight containment chamber within the sump. Some of the liner-forming pieces can have openings formed therein to accommodate the pipe entries corresponding to those in the sump.

대표청구항 ▼

[ What is claimed is:] [1.] An assembly including a sump and an interior liner, said assembly comprising:a) a sump having sidewalls and forming part of an underground piping system and having an opening in one said sidewall for permitting passage of a pipe;b) a plurality of liner-forming pieces join

[ What is claimed is:] [1.] An assembly including a sump and an interior liner, said assembly comprising:a) a sump having sidewalls and forming part of an underground piping system and having an opening in one said sidewall for permitting passage of a pipe;b) a plurality of liner-forming pieces joined together within said sump;c) at least one of said liner-forming pieces having an opening therein for permitting passage of a pipe; andd) whereby said plurality of liner-forming pieces form a fluidtight chamber within said sump.