Abstract: A strainer assembly for use with an indirect waste receptor comprising an internally threaded, expandable gasket member sized to be insertable into the indirect waste receptor discharge tube operatively connected to a building drain system drain pipe; a rigid support structure forming an externally threaded wall to operatively mate with the gasket member in a manner to expand the gasket member body into sealing contact with the discharge tube or drain pipe and having a spoke member extending across a rigid support structure passageway with a vertical opening in its center section; a strainer having a screw opening alignable with the spoke member center section opening; and a screw seatable in the screw opening and having a length to operative attach to the center section opening for affixing the strainer to the rigid support structure.

Abstract: A filtration apparatus for curb vaults may be installed in existing vaults through manhole access openings whenever the smallest dimension of the access opening is greater than the smallest dimension measured across a support plate assembly of the filtration apparatus. An adjustable attachment system allows installation of the filtration apparatus by inserting the apparatus through the access opening.

Abstract: A storm water pretreatment chamber is provided. The storm water pretreatment chamber includes; one or more filter sidewalls; one or more optional water-impermeable sidewalls; one or more optional chamber grates; and one or more catch rails. Methods of treating storm water are also provided.

Abstract: A novel removable catch basin filter assembly configured to fit within a catch basin of the type that collects stormwater runoff is disclosed herein. The removable catch basin filter assembly comprises an outer support frame sized to fit on the upper perimeter recessed ledge of the catch basin and underneath the grate, and a filtering system detachably connected to a selectively sized outer support frame. The filtering system comprises a lower filter bag made of a water permeable material (e.g., a geotextile) capable of filtering one or more contaminates contained within stormwater runoff, four receiving tabs positioned at or near the four corners of the inner perimeter edge of the upper perimeter flange of the filtering system, wherein the four receiving tabs are configured to detachably receive the four corners of the outer support frame.

Abstract: A removable drain inset apparatus for preventing drain flies from infesting a drain pipe is disclosed. The drain inset apparatus comprises a horizontal floor area having at least one drain hole positioned substantially on a center portion thereof. The drain insert apparatus further includes a slightly contoured wall surface extending upwardly from an outer peripheral edge of the horizontal floor area. The drain insert apparatus further includes a funnel portion extending downwardly from the at least one drain hole. The horizontal floor area further includes at least one ridge disposed on the top surface of the horizontal floor area for holding at least one grate.

Abstract: A drain cover having a main drainage surface with relatively larger apertures or openings therein, comprising generally 50 percent of the surface, so that larger debris is accepted into a related drain pipe when a depending skirt portion of the drain cover, having smaller perforations, becomes clogged. In this way a two-layer drainage system for a generally flat surface is provided that allows draining of water and small particulates alone when possible, but upon the clogging of the smaller openings the generally flat surface can be protected from flooding by allowing larger particulates to drain into the main drainage surface. The main drainage surface is held above the flat surface by the depending skirt, at a level of ? to 1 inch above the flat surface. When the depending skirt openings are clogged the water and debris will rise until allowed to drain into the larger openings of the main drainage surface.

Abstract: A floor drain cover is provided having a substantially rectangular frame defined by a first and second parallel outer frame member, perpendicular cross members connecting the outer frame members together, and an apertured screen positioned over the frame to prevent solid debris from passing therethrough and into a floor drain. The device is positioned over an existing floor drain to prevent debris from clogging the floor drain grate or drain interior. The apertured screen is elevated above the ground and positioned along the upper surfaces of the frame to collect falling debris, while debris is separated from free flowing water entering through the frame sides and ends by way of side frame member apertures and screened end portions. The cover can be periodically removed and cleaned, while the underlying drain is kept largely clean of debris that would otherwise require internal cleaning.

Abstract: A cover for a floor drain is provided. The cover includes a first skirt material defining a cutout therein. The skirt material is configured for covering the perimeter of the floor drain. A second skirt material is provided for being received in the cutout and being configured for covering the opening of the floor drain. The second skirt material further defines an opening therein for receivably engaging a basket assembly.

Abstract: The present invention relates to a new and improved colander, a kitchen utensil comprised for washing vegetables and fruits thorough and in larger quantity. The dip and drain canister colander comprising of perforated stainless steel wire, manufactured, is suitable for washing vegetables and fruits. The perforated holes are diamond shaped holes arranged in order, connected together being alike, that extents within the entire colander. The upright container is a four sided figure, a square base, the opening area is the same equivalent as the base. The colander has the quality of being deep, a distance between the top and base, a removable lid, a small knob centered on the outer surface of the lid and a pull on the upper back of the colander to clutch with hand. A thorough washing is attained by performing the Maneuver Techniques, which is done repeatedly until desirable results are achieved, with changing waters, the debris will diminish.

Abstract: The present disclosure relates generally to a drain channel and grate assembly comprising a drain channel together with a frame for a drain grate. The drain grate is a metal drain grate having a series of lateral spaced elongate drain bars interconnected by longitudinal spaced and transversely orientated load bars. The perimeter frame is configured to retain and substantially encase at least part of the perimeter of the drain grate. The perimeter frame comprises a first frame component which is detachably connected to a second frame component.

Abstract: A storm water pretreatment chamber is provided. The storm water pretreatment chamber includes; one or more filter sidewalls; one or more optional water-impermeable sidewalls; one or more optional chamber grates; and one or more catch rails. Methods of treating storm water are also provided.

Abstract: A drain cover and pipe combination comprises a drain cover including a substantially elliptical frame portion defining a space, the space having an axis substantially normal to the frame, and at least one cross piece located in the space so as to define a plurality of openings in the drain cover. The pipe comprises a substantially tubular member having a longitudinal axis, with the pipe having a substantially elliptical shaped rim at one end thereof with a rim axis which is other than parallel to the longitudinal axis of the tubular member. Securing means are provided for securing the drain cover over the rim of the pipe.

Abstract: A retaining device 1 comprises a cup-shaped trap basket 2 including a circular support edge 3. A holder 4 is disposed at the trap basket 2, includes at least two holding arms 5, 6 movable between a “holding position” and “release” position, and is a separate assembly adapted to be connected to the trap basket 2. A gear unit 8 includes a bolt 10 that is adapted to be connected with a rotatable operating element 7 and has a driving worm 9 and tooth sections 11 adapted to be engaged with the driving worm 9 and disposed at the holding arms 5, 6.

Abstract: A locking drain device for a floor drain comprises a top strainer, a cylindrical middle section having spreadable sides with slits in them, a frustoconical spreader, and a locking bolt, such that, when the spreader is drawn against the spreadable sides of the cylindrical middle section by tightening the locking bolt, the cylindrical sides will be spread to frictionally engage against the internal surface of a drain pipe to prevent inadvertent removal of the floor drain.

Abstract: The invention is a filter device, apparatus and system used to filter contaminants from liquids, such as water, particularly surface water runoff. The invention is configured to capture sediment, debris, and soluble and insoluble contaminants, including gas, oils and metals that enter the device. The invention consists of an adapter ring, an outer casing, a first filter material, an interior mesh, a blabla filter, and an inner casing. The invention is configured for easy installation within existing manhole frames without significantly impacting the height of the manhole cover and may be used within manholes for underground dry wells, storm drains, catch basins and other similar types of water collection structures.

Abstract: This invention relates generally to systems and methods for digestion of solid waste that simplify solids handling. In certain embodiments, anaerobic methane extraction takes place for a period of time (e.g., from 1 to 4 weeks), after which an aerobic composting process begins in the same chamber. The organic waste remains in place and oxygen (e.g., in air) is forced into the chamber for an additional period of time (e.g., from 2 to 4 weeks). At the conclusion of the aerobic phase, the process yields a rough compost product that is stable and pathogen free. The rough compost can be further processed and blended to create high value engineered soils.

Abstract: The curb inlet filter includes a filter bag having an opening at an upper end leading into an interior of the filter bag and a support bar coupled to one side of the upper end of the filter bag. The support bar is configured to rest outside of the basin against curb face sides bounding the opening in the street level curb face. A support frame is coupled to a second side of the upper end of the filter bag and is configured to engage with the support bar to suspend the support frame substantially at grade within an interior of the basis and define a rigid opening into the filter bag. The remainder of the filter bag hangs below grade within the curb side drain basin.

Abstract: Covers for drains, manholes or similar constructions are known which comprise a first grate (10) made of sheet metal and comprising slots (11) and struts (12), said struts having top faces (13) and each strut having side faces (14, 14?) made of sheet metal bent with respect to the top face. In order to increase the rigidity it is proposed that at least a second grate (20) is provided, the struts (22) of which are inserted in the slots (11) of the first grate (10).

Abstract: The storm drain with water trap is installed in the opening of a storm or sewer drain to close off the underlying drain channels and residual water therein from the open air, thus preventing escape of mold, mosquitoes, and other hazards into the air. The device has an insert having an open top and bottom. A shallow water trap pan is suspended below the insert. In dry conditions, the water trap contains little water, the relatively light weight of the trap and contained water allowing it to be lifted by springs against the bottom of the insert to form a seal, When runoff water flows into the drain, the greater amount of water and its weight draws the insert downward, extending the springs and opening a gap between the lower edge of the insert and the water trap pan to allow the runoff water to flow therethrough.

Abstract: A method of mounting a grate adapter unit beneath a stormwater collection grate includes steps of providing a grate adapter unit having a plurality of outwardly extending mounting flanges, each mounting flange being adapted to fit a different size commercially common stormwater collection grate. The grate adapter unit is trimmed, either at the factory, at the contractor's facilities or at the installation site, at the desired location to select a desired one of the mounting flanges that is appropriate for the collection grate to which the grate adapter is being fit. The grate adapter unit is then mounted beneath the stormwater collection grate using the selected mounting flange. A stormwater remediation unit may be pre-mounted to a lower end of the grate adapter unit or mounted to the lower end after installation.

Abstract: A cover for a drain assembly is provided. The cover includes a skirt material defining a plurality of openings therein for allowing flowthrough of liquid and one or more fasteners extending from the skirt material and configured for being received within an opening defined in the drain assembly.

Abstract: A device configured for being received within a floor drain is provided. The device includes a basket assembly containing a liquid-soluble treatment material therein. A drain cover defines an opening that receives the basket assembly. A basket assembly lid defines at least one aperture for allowing flow of liquid into the basket assembly, the basket assembly includes a flange for cooperatively engaging a recess defined in the drain cover to thereby engage the lid with the drain cover.

Abstract: A filter system for a storm water sewer includes a flat mount frame with inwardly projecting support wires and seats on an internal ledge of a grate frame supporting a removable grate. A fabricated circular wire basket has welded cross wires defining openings in side and bottom walls and is lined with a porous filter fabric for collecting silt within storm water flowing through openings in the grate. The wire basket has upwardly projecting bent wire portions hooked onto the support wires of the mount frame and define overflow passages and handle openings for removing the mount frame and the basket after the grate is removed. A smaller and lined lift-out wire basket is supported within a lower portion of the wire basket attached to the mount frame, and each wire basket may be compressed laterally into an oval configuration for use with a rectangular mount frame.

Abstract: A device and method for filtering storm water entering a street curb inlet drain using a series of expandable brackets to deploy and seal a filter medium completely inside a street curb inlet drain.

Abstract: A drain screen assembly for protecting a drainage hole or line in an entranceway of a building featuring a generally flat base panel; a plurality of pores disposed in the base panel, the pores allow liquid to pass through the base panel while retaining debris; at least one handle disposed on the base panel; one or more adjustable legs extending downwardly form the bottom surface of the base panel, wherein the adjustable legs can be adjusted in height, wherein at least one side edge of the base panel is free of adjustable legs; and a set of reinforcing ribs disposed under the base panel, the reinforcing ribs help provide structural strength to the base for when an individual walks on the drain screen assembly.

Abstract: This invention relates generally to systems and methods for digestion of solid waste that simplify solids handling. In certain embodiments, anaerobic methane extraction takes place for a period of time (e.g., from 1 to 4 weeks), after which an aerobic composting process begins in the same chamber. The organic waste remains in place and oxygen (e.g., in air) is forced into the chamber for an additional period of time (e.g., from 2 to 4 weeks). At the conclusion of the aerobic phase, the process yields a rough compost product that is stable and pathogen free. The rough compost can be further processed and blended to create high value engineered soils.

Abstract: An apparatus for and method of filtering hydrocarbon contaminated water, which may be used in drainage openings in parking lots and containment areas for large sources of hydrocarbons to remove hydrocarbons from hydrocarbon contaminated water. The apparatus has a filtration compartment which filters out debris which may clog the treatment compartment. A pre-filtration and means for melting snow may be incorporated. The treatment compartment contains a hydrocarbon absorption media which absorbs any hydrocarbons present in the water rendering such water substantially hydrocarbon-free for discharge directly into a stream or groundwater. If a hydrocarbon spill occurs, the hydrocarbon absorption media forms a plug which seals off the flow of contaminated water. A hydrocarbon solubilizing material capable of effectively removing sheen in a first pass may be disposed as a top layer over the hydrocarbon absorption media.

Abstract: A filter system for a storm drain having an inlet is disclosed. The filter system may be configured to receive storm water having debris and to separate at least a portion of the debris from the storm water to produce filtered storm water. The filter system may include a pervious paver having a feed side and a permeate side, the pervious paver being configured to receive storm water on the feed side and to retain at least a portion of the debris on the feed side. The filtered storm water may be formed from the storm water that passes from the feed side to the permeate side. The filter system may additionally include a frame assembly configured to support the pervious paver adjacent to the inlet.

Abstract: A restrictor plate assembly 10 is disclosed for restricting particulate flow into a curb box 12, through a mouth 14 thereof. The assembly 10 includes a restrictor plate 16 adapted for being secured at an inside surface 18 of the curb box mouth 14. A proximate clamp structure 20 is positioned at a proximate end 22 the restrictor plate 16 and a distal clamp structure 24 is positioned at a distal end 26 of the restrictor plate 16 that is width-wise spaced from the proximate end 26 of the restrictor plate. The proximate and distal clamp structures 20, 24 are adapted for securing the restrictor plate 16 within the curb box 12 without gripping the inside surface 18 or an outside surface 28 of the curb box mouth 14.

Abstract: A filter- and sterilizing apparatus comprising a gravity filter device with a liquid supply (L1), a downpipe filter (F) and a clean liquid drainage (L3) as well as a sterilizing device (U) hydraulically connected to the downpipe filter, is characterized in that the sterilizing device connected to the clean liquid circuit (L3) of the downpipe filter (F), is adjustable in height and has the shape of a supply channel to the overflow weir (Y), wherein the liquid level in the supply channel (K) before starting the filtration is approximately adjustable to the same height with the water level in the downpipe filter (F) above the filter medium (M). The sterilizing device (U) is an ultraviolet sluice.

Abstract: A tool for use with a basket assembly is provided. The basket assembly is of the type configured for being receivably engaged with an opening defined in a drain cover skirt for covering the perimeter of a floor drain. The tool is configured for engaging the basket assembly and removing the basket assembly from the drain cover skirt upon force input from a user.

Abstract: A screen system having first and second side members, each having a locking gear reversibly movable from a locked position to an unlocked position. A screen is coupled to the side members. The screen has openings and is rotatable from a closed position to an open position. The screen is engagable with the locking gears to preventing the screen from rotating from the closed position to the open position. A trigger plate is movably coupled to the screen, rotates from a first position to a second position and is engagable with the locking gears to prevent the locking gears from moving from the locked position to the unlocked position. The trigger plate disengages with the locking gears when water flows against it, allowing the locking gears to move from the locked position to the unlocked position and the screen to rotate from the closed position to the open position.

Abstract: A temporary storm water drainage control member having a first portion including a series of flow control openings formed therein, and a second portion defining a side wall, is releasably mountable over or within the open end of a storm water pipe system. The side wall of the second portion of the drainage control member engages the storm water pipe in a frictionally engaging fit to mount the drainage control member over or within the opening of the storm water pipe.

Abstract: The curb inlet filter includes a filter bag having an opening at an upper end leading into an interior of the filter bag and a support bar coupled to one side of the upper end of the filter bag. The support bar is configured to rest outside of the basin against curb face sides bounding the opening in the street level curb face. A support frame is coupled to a second side of the upper end of the filter bag and is configured to engage with the support bar to suspend the support frame substantially at grade within an interior of the basis and define a rigid opening into the filter bag. The remainder of the filter bag hangs below grade within the curb side drain basin.

Abstract: A removable drain inset apparatus for preventing drain flies from infesting a drain pipe is disclosed. The drain inset apparatus comprises a horizontal floor area having at least one drain hole positioned substantially on a center portion thereof. The drain insert apparatus further includes a slightly contoured wall surface extending upwardly from an outer peripheral edge of the horizontal floor area. The drain insert apparatus further includes a funnel portion extending downwardly from the at least one drain hole. The horizontal floor area further includes at least one ridge disposed on the top surface of the horizontal floor area for holding at least one grate.

Abstract: A storm water pretreatment chamber is provided. The storm water pretreatment chamber includes; one or more filter sidewalls; one or more optional water-impermeable sidewalls; one or more optional chamber grates; and one or more catch rails. Methods of treating storm water are also provided.

Abstract: A restrictor plate assembly is disclosed. The assembly is adapted for being positioned within a catch basin throat so that the throat extends rearward of the assembly. The assembly has a longitudinally extending restrictor plate and a restrictor plate securing system, which includes a first clamp arm, pivotally positioned against the restrictor plate, for engaging a first throat surface of the catch basin; a second clamp arm pivotally positioned against the restrictor plate, for engaging a second throat surface of the catch basin, the second throat surface opposing the first throat surface; and an urging member which simultaneously urges the first and second clamp arms against the first and second throat surfaces, respectively.

Abstract: The anti-clogging drainage inlet is adapted for use in lawn or field environments that require drainage systems to prevent flooding or unwanted pooling during periods of rain. The inlet includes a grate mounted to a rectangular frame. The frame and the grate are adapted to be positioned in the opening of a conventional drainage box in a manner that the top surface of the grate is flush with the surface of the lawn or field. A linkage system is mounted to the frame and grate and operates to raise the grate from its flush position. The linkage system includes a container positioned below the grate and within the drainage box.

Abstract: The present invention relates to a temporary grate cover apparatus for placement over a storm water grate to filter sediment and trash from entering the storm drain during a construction project.

Abstract: A method of manufacturing a cast article including a frame that in use of the article defines an aperture; and a further component that is in use retained moveably captive relative to the frame. The method casts the further component and respective first and second frame members, the further component and the frame members being securable together to form the article, and subsequently assembles the frame members and the further component together to form the article. A gully grate results from practicing the method.

Abstract: A filtration apparatus for curb vaults may be installed in existing vaults through manhole access openings whenever the smallest dimension of the access opening is greater than the smallest dimension measured across a support plate assembly of the filtration apparatus. An adjustable attachment system allows installation of the filtration apparatus by inserting the apparatus through the access opening.

Abstract: A method of mounting a grate adapter unit beneath a stormwater collection grate includes steps of providing a grate adapter unit having a plurality of outwardly extending mounting flanges, each mounting flange being adapted to fit a different size commercially common stormwater collection grate. The grate adapter unit is trimmed, either at the factory, at the contractor's facilities or at the installation site, at the desired location to select a desired one of the mounting flanges that is appropriate for the collection grate to which the grate adapter is being fit. The grate adapter unit is then mounted beneath the stormwater collection grate using the selected mounting flange. A stormwater remediation unit may be pre-mounted to a lower end of the grate adapter unit or mounted to the lower end after installation.

Abstract: An apparatus for and method of filtering hydrocarbon contaminated water is disclosed herein. The present invention may be used in drainage openings, particularly in parking lots and containment areas for large sources of hydrocarbons such as oil tanks or electrical transformers, to remove hydrocarbons from hydrocarbon contaminated water. The apparatus has a filtration compartment which filters out debris and sediment which may clog the treatment compartment. A pre-filter attachable to the apparatus may be used to further aid in filtering out sediment. A means for melting snow and ice may be incorporated within the filtration compartment such that liquid flow is not hindered during extreme weather conditions. The treatment compartment contains a hydrocarbon absorption media which absorbs any hydrocarbons present in the water rendering such water substantially hydrocarbon-free for discharge directly into a stream or groundwater.

Abstract: The present invention relates to a temporary grate cover apparatus for placement over a storm water grate to filter sediment and trash from entering the storm drain during a construction project.

Abstract: A conduit end cap structure (e.g., a floor drain assembly) that is securely attached to the conduit and aesthetically pleasing. The end cap of the conduit comprises a perforated plate. Anchor supports extend from the substantially concealed underside of the plate, each providing support for an anchor that is received by an anchor receiving structure on the conduit to securely attach the plate to the conduit near its opening. The anchor may be in the form of a fastener (e.g., a set screw), and the anchor receiving structure is in the form of a channel provided on the inside wall of the conduit opening. The fastener extends into the channel, thereby securely retaining the plate to prevent it from dislodging from the conduit end.

Abstract: The present invention relates to a drain for fitting in the floor of a wet space or the like. The drain comprises a drain element (1) with an outlet (2) for leading liquid from the floor of the wet space to a drain system, and a fitting flange (3) disposed round, and running substantially horizontally from, the drain element.

Abstract: The invention provides systems, associated component parts, and assemblies of the pre-filtration systems, that are useful for treating storm water entering underground storm water management systems. The invention further provides methods to pre-filter storm water prior to entering underground water management systems. The invention reduces pollutant loading in storm water runoff with minimal footprint, flexibility of use and ease of maintenance.

Abstract: A filter assembly for a floor drain for use in indoor drains such as in drains in showers, baths, sinks or floors is disclosed. The filter assembly 10 comprising a hollow filter basket 13 having a base wall 16 and a side wall 17 extending from said base wall 16. The side wall 16 having a plurality of slots or openings 12 through which water may pass, and said base wall 16 being of a conical form and having a plurality of openings 26 therein.

Abstract: A height-adjustable shower waste for a bathroom floor having a non-flexible waterproof floor covering material, the shower waste comprising a waste body (12) for mounting in the bathroom floor and having a base (20), one or more sides extending from the base (20), a waste water inlet (26), and a waste water outlet (30) connected or connectable to a drain; a cover support element (16) on which a cover element (18) is or can be provided to cover the waste water inlet (26); distance setting means (54, 66) for selectively setting a distance between an in use upper edge of the cover support element (16) and the waste body (12); and retaining means (90, 104) for positively retaining the cover support element (16) at the said set distance. A method and an adapter device are also provided.

Abstract: A trap for a catch basin, and means for mounting said trap to a catch basin wall, comprises a hollow trap body having an inner wall and an outer wall, and side walls joining the inner and outer walls. The trap body has a first aperture near the top of its inner wall, allignable with an outlet of a catch basin, and a second aperture at a lower level on said trap body than said first aperture. A mounting plate is secured to the inner wall of the trap body, and has an aperture allignable with the first aperture of the trap body. A retainer plate is provided, onto which the mounting plate can be mounted. The retainer plate also has an aperture allignable with the apertures on the mounting plate and trap body.