Outside serviced explosion proof liquid spill alarm float detector, drain pipe, shut off valve and drain pit wall.
Inside galvanized grate removed exposing low end of single sloped sump floor and drain pit with red bulb float detector.
Double sloped sump floors drain toward a trench sloped toward a drain/alarm pit at end of trench.
Sloped Sump Floors available in wall-to-wall single slope or double sloped draining toward a mid sloped trench. Provides for easy drainage of spills and cleanup operations as well as a fast spill alarm system.