| 摘要 |
This invention includes repair of an existing underground sump (10) without the need for costly and time consuming excavation. A plurality of linerforming pieces (34) are placed inside the underground sump (10) to create a liner (48) preferably substantially conforming to the interior dimensions of the sump (10). The pieces (34) are joined together to form a unitary containment shell (42) by first taping (36) and then using fiberglass cloth (38) and fiberglass resin (40). A layer of gel coat (44) is applied to the surface of the shell to create a fluidtight containment chamber within the sump (10). Some of the liner-forming pieces (34) can have openings (46) formed therein to accommodate the pipe (14) entries corresponding to those in the sump (10). |
