A sewage pumping station is disclosed which includes a sewage receiving wet well positioned adjacent to a machinery chamber which contains sewage pump means and associated controls. A base beam means, of hollow rectangular cross-section, is secured to the underside of the floor of the machinery chamber. The base beam means defines a suction pipe extension conduit in fluid communication with the wet well. Sewage pump means are supported above the floor of the machinery chamber by a substantially vertical suction conduit extending therebetween. The lower end of the suction conduit is in fluid communication with the suction extension conduit.
A sump pump assembly is provided within the machinery chamber which directs accummulated liquid into the suction extension conduit. A control assembly is provided within the machinery chamber which senses the pressure within the suction extension conduit and controls the operation of the sewage pump means dependent upon the liquid level in the wet well.