An above grate based inlet filter system for erosion and sediment control comprises a filter mat configured to extend beyond the perimeter of the grate and a securing mechanism, such as magnets, configured to securing the filter mat around the perimeter of the grate. The system may include a filter berm secured in vicinity to the mat, and a rectangular array of magnets coupling the filter mat to the grate. The natural fiber filter mat may effectively be formed of vertically aligned coir fibers or alternatively of reticulated foam. Multiple side edges of the mat are undulating having a pattern of repeating recesses. The mat includes a plurality of high flow holes extending into the mat and which are closed at a bottom surface thereof. The mat includes at least one removable dewatering plug configured to allow for selective mat bypass.

A combination of a cover plate and a drain, preferably a floor drain is described. The cover plate is provided with first locking means and the drain is provided with cooperating second locking means for releasable connection of the cover plate to the floor drain. The cover plate is a temporary cover plate for use during installation of the drain. The cover plate may be used for a temporary protection of a drain during installation of the drain and for installing and adjusting the inclination of the drain without the need of separate levelling tools. To obtain this the cover plate is provided with levelling means for determining the orientation of the cover plate and thereby also the drain in relation to a horizontal or a vertical plane. The first locking means or the second locking means comprises a weakening arranged such that at least a part of the locking means is preferably damaged when the cover plate is removed from the drain to ensure that the cover is not reused.

A drain assembly comprises a shroud, a shank, and a frame. The drain assembly may further comprise a shim with an angled top surface. The frame may have an angled bottom surface. A rotational orientation of the angled top surface of the shim relative to the shank and a rotational orientation of the angled bottom surface of the frame relative to the shank may be independently adjustable, thereby allowing for the top surface of the frame to be both angularly and rotationally adjusted relative to a central axis of the drain assembly independent of the positional height of the shank. The drain assembly may further comprise a cover having bendable tabs. The bendable tabs may be disposed around a periphery of the cover and may be configured to contact an angled inner surface of an upper bowl of the shroud, such that the bendable tabs bend around the frame, thereby locking the cover onto the frame.

A catch basin trap for mounting in an opening in a side wall of a catch basin. A preferred catch basin trap has a body with a front side for facing outwardly to outside of the catch basin, and a back side for facing inwardly to inside of the catch basin. An inlet opening is provided in the back side of the body for receiving drainage water from inside of the catch basin. An outlet opening is provided in the front side of the body for discharging the drainage water to the outside of the catch basin. A flexible outlet pipe connector extends outwardly from the outlet opening, configured for watertight coupling to an outlet pipe positioned outside of the catch basin. The catch basin trap provides a water flow path for drainage water from inside of the catch basin to the outlet pipe. A preferred outlet pipe connector is adapted to facilitate installation of the catch basin trap by allowing watertight coupling to the outlet pipe at a plurality of angles and positions relative to the catch basin trap, and to accommodate angular and transpositional deviations of the outlet pipe resulting from settling of the ground after installation.

A drain assembly comprises a shroud, a shank, and a frame. The drain assembly may further comprise a shim with an angled top surface. The frame may have an angled bottom surface. A rotational orientation of the angled top surface of the shim relative to the shank and a rotational orientation of the angled bottom surface of the frame relative to the shank may be independently adjustable, thereby allowing for the top surface of the frame to be both angularly and rotationally adjusted relative to a central axis of the drain assembly independent of the positional height of the shank. The drain assembly may further comprise a cover having bendable tabs. The bendable tabs may be disposed around a periphery of the cover and may be configured to contact an angled inner surface of an upper bowl of the shroud, such that the bendable tabs bend around the frame, thereby locking the cover onto the frame.

An adjustable floor drain apparatus includes a housing configured for positioning adjacent a drain pipe, manhole riser, or other feature, a leveling frame configured to be positioned at least partially above the housing, a grate configured to be positioned at least partially above the leveling frame and secured to the leveling frame, and a leveling member. The leveling member can be configured such that actuating the leveling member adjusts the position of the grate relative to the housing while the leveling member remains fixed relative to the housing. The leveling member can be configured such that actuating the leveling member moves the leveling member relative to the grate and adjusts the position of the grate relative to the housing.

A drain grate assembly includes a webbing and a reinforcement structure. The webbing includes webbing sections defining openings. A load rating of the drain grate is based on respective areas of the webbing sections and the openings. The reinforcement structure is secured to an underside of the webbing.

An above grate based inlet filter system for erosion and sediment control comprises a filter mat configured to extend beyond the perimeter of the grate and a securing mechanism, such as magnets, configured to securing the filter mat around the perimeter of the grate. The system may include a filter berm secured in vicinity to the mat, and a rectangular array of magnets coupling the filter mat to the grate. The natural fiber filter mat may effectively be formed of vertically aligned coir fibers or alternatively of reticulated foam. Multiple side edges of the mat are undulating having a pattern of repeating recesses. The mat includes a plurality of high flow holes extending into the mat and which are closed at a bottom surface thereof. The mat includes at least one removable dewatering plug configured to allow for selective mat bypass

A drain assembly comprises a shroud, a shank, and a frame. The drain assembly may further comprise a shim with an angled top surface. The frame may have an angled bottom surface. A rotational orientation of the angled top surface of the shim relative to the shank and a rotational orientation of the angled bottom surface of the frame relative to the shank may be independently adjustable, thereby allowing for the top surface of the frame to be both angularly and rotationally adjusted relative to a central axis of the drain assembly independent of the positional height of the shank. The drain assembly may further comprise a cover having bendable tabs. The bendable tabs may be disposed around a periphery of the cover and may be configured to contact an angled inner surface of an upper bowl of the shroud, such that the bendable tabs bend around the frame, thereby locking the cover onto the frame.

An example drain apparatus includes a drain body having a cylindrical shape, the drain body configured to position through an opening formed in a floor. The drain body has an upper portion configured for installation above the floor, the upper portion is configured for connection to a drain apparatus pipe of a plumbing system above the floor. The drain body has a lower portion configured for installation below the floor. A pipe hub is formed within the lower portion of the drain body, the pipe hub configured for connection to a pipe of the plumbing system below the floor. An annular space is formed within the drain body between the pipe hub and an outer sleeve of the drain body. A lower drain system pipe is connected to the pipe hub in the annular space.