Patent ID: 7520736

Claim:
A sewage handling system comprising: a. a basin for receiving a liquid, said basin comprising a body with at least one inlet opening and an open top comprising an annular flange having a flat region; b. a cover assembly disposed upon said flat region of said basin and comprising: i. a main cover comprising a perimeter including a lower annular edge surface fastened to said annular flange of said basin, at least a first opening, and a second opening surrounded by a first flat flange, said first flat flange surrounded by said lower annular edge of said perimeter; ii. an access cover comprising a second flat flange removably secured to said first flat flange of said main cover; and iii. a gasket disposed between said first flat flange of said main cover and said second flat flange of said access cover, and comprising a first portion of a cord seal disposed in an interface between said main cover and said access cover; iv. an engagement feature comprised of at least one horizontal channel, and a first vertical cavity; c. a pump disposed in said basin and operatively connected by a discharge pipe to said first opening of said main cover; and d. a level switch assembly comprising a hook-shaped hanger rod engaged with said engagement feature of said cover assembly, and at least one level switch attached to said hook-shaped hanger rod.