Abstract: In one aspect, a fluid storage apparatus includes a fluid storage tank having a longitudinal axis. The apparatus also includes a channel disposed on an outer surface of the fluid storage tank, the channel configured to receive an anchor strap used to secure the fluid storage tank to a ground surface of an underground installation site.

Abstract: A tank includes a tank wall that has an opening, which is configured into a generally rectangular form that extends in a longitudinal direction and a lateral direction while a cross section of the tank wall, which is perpendicular to the longitudinal direction of the opening, is curved, and a tank foot is formed to extend all around the opening of the tank wall. A gate position is placed in a longitudinal center portion of one side surface of the tank foot, which extends in the longitudinal direction of the tank wall.

Abstract: A device used to collect rain water from a down spout and allows excess water to exit the down spout as originally intended. The down spout is cut at the top of the device allowing the down spout transfers water to the tank of the device through the planter and water deflector device. The water enters the tank and fills the tank until the water reaches the spill way. The lower portion of the down spout is attached to the spill way so when the water enters the spill way, it travels down the down spout as originally intended. The tank and base having a taper construction with a channel allows the down spout to attach to the spillway and rout in various arrangements. The tank is mounted on a base to elevate the tank for access to the water. The water is extracted from the tank by opening a spigot and filling a container such as a watering can. A soaker hose can also be attached to the bottom of the tank to water nearby plants.

Abstract: A double-walled above-ground storage tank includes a primary tank and a secondary tank, and an interstitial space; an containment chamber formed by a primary chamber wall and a secondary chamber wall, forming a chamber interstitial space therebetween, and an exterior door assembly; and at least one pipe and valve assembly wherein the pipe originates in the tank interior volume and the valve is disposed within the chamber.

Abstract: A method and apparatus for fluid storage and pumping comprising a fluid storage tank incorporating a housing cavity.

Abstract: A system for storing high level radioactive waste. In one embodiment, the invention can be a system comprising an overpack body extending along a vertical axis and having a cavity for storing high level radioactive waste, the cavity having an open top end and a floor; an overpack lid positioned atop the overpack body to enclose the open top end of the cavity; an air inlet vent for introducing cool air into the cavity, the air inlet vent comprising an annular air inlet plenum and an annular air inlet passageway, the annular air inlet plenum extending radially inward from an outer surface of the overpack body to the annular air inlet passageway, the annular air inlet passageway extending upward from the annular air inlet plenum to an opening in the floor, and an air outlet vent in the overpack lid for removing warmed air from the cavity.

Abstract: A fluid storage tank includes a plurality of tank sub-units disposed in an array. Each tank sub-unit of the plurality of tank sub-units has an aperture defined in at least one wall overlapping with another aperture defined in at least one adjacent tank sub-unit of the plurality of tank sub-units. Each tank sub-unit of the plurality of tank sub-units is in fluid communication with a single outlet port for selectively extracting a stored fluid from the tank. Each of the plurality of tank sub-units is in fluid communication with a single fluid fill port.

Abstract: A tank for processing wastewater has reinforced side and end walls, a top wall and a floor. A flexible liner is mounted inside the tank. Regions of the top wall have reinforcing elements fixed thereto. The reinforcing elements have fixture elements integral therewith for suspending and supporting items in the interior of the tank.

Abstract: A method for manufacturing a tank. A first mold having a first molding surface corresponding to a first portion of an outside surface of the tank is provided. A second mold having a second molding surface corresponding to a second portion of the outside surface of the tank is provided. The first portion and the second portion form the outside surface of the tank having an opening disposed therein. A mold release agent is disposed onto the first and second molding surface. A molding bladder is provided. An outside surface of the molding bladder when inflated substantially corresponds to an inside surface of the tank having the opening disposed therein. A reinforcement material is disposed onto one of the molding bladder and the molding surfaces. The first and the second mold are combined in a sealed fashion. The first and the second mold have accommodated therebetween the reinforcement material and the molding bladder.

Abstract: A proppant storage vessel has a container having a first end wall, a second end wall, a first side wall, a second side wall, a top wall and a bottom wall. The first and second end walls extend between opposite ends of the first and second side walls. The walls define an interior volume of the container. The walls have a rigidity suitable for retaining no less than 30,000 pounds of proppant therein. A top hatch is formed centrally on the top wall and is movable between an open position and a closed position. A bottom hatch is formed generally centrally on the bottom wall of the container and is movable between an open position and a closed position.

Abstract: A fluidtight tank including a bearing structure, a fluidtight barrier, the fluidtight barrier having a polygonal, cylindrical shape and including a vertical wall and a bottom wall, in which the said vertical wall of the fluidtight barrier has a plurality of vertical panels the bearing structure surrounding the vertical wall, and in which the bottom wall includes a plurality of rectangular components arranged in sectors that are the image of one another but rotated, the edges of the rectangular components of one of the sectors being respectively parallel and perpendicular to one of the vertical panels, wherein the number of the vertical panels is twice the number of the sectors.

Abstract: A water storage assembly is disclosed including a flexible bladder having a water storage cavity, a water inlet in fluid communication with said cavity, a water outlet in fluid communication with said cavity, and a rigid frame adapted to support said bladder wherein said bladder wherein said bladder is secured to said rigid frame and said bladder is adapted to expand and contract upon flow of said water into and out of said cavity.

Abstract: The water tank comprises a number of peripherally disposed modular wall components, each modular wall component defining a radially inner exposed surface, for direct engagement with the water inside the water tank, and a radially outer form-work area, for receiving liquid concrete to be cured. An integral hinge edgewisely interlocks each pair of successive modular wall components. An expansible joint is mounted into each hinge, wherein the expansible joint cooperates with the hinge so as to releasably interlock the modular wall components in their peripherally disposed fashion. The expansible joint provides a water tight seal at the hinge when soaked in water for a sufficient period of time. A second bevelled seal joint is further mounted against the hinge adjacent each wall component inner exposed surface spacedly from and radially inwardly from the expansible joint. Both first and second seal joints are for direct liquid engagement with the water tank water.

Abstract: A collapsible portable tank for storing liquids has a liquid impervious liner. The side walls of the liner are supported by a collapsible frame. A plurality of hand grips in a zigzag pattern on the floor panel of the liner facilitates manipulation of the liner to collapse the liner with the frame. The liner floor panel is of heavier material than the side walls and is heat sealed along its entire perimeter to the liner side walls, affording a more durable floor while eliminating clumsy excess liner material at the corners of the tank. Another hand grip on the floor panel opposite a drain in the liner side walls facilitates evacuation of stored liquid from the tank prior to collapsing the tank.

Abstract: A modular system for constructing liquid storage tanks, comprising prefabricated reinforced concrete modular elements designed and adapted to be coupled together to form the tank walls and having means for engaging the bottom slab or foundation. Optionally, the system further comprises elements which mate with the tank wall elements in order to build a covered tank. In one embodiment of the system, the modular wall elements include a prestressing wire or strand embedded in its structure and to which a tensile force is applied to produce a compressive stress in the side of the wall element that is contact with the liquid stored in the tank. Optionally, the constructing system comprises elements to form divisions or cells inside the storage tank.

Abstract: A pressure vessel having reduced weight while satisfying required design conditions has polygonal upper and bottom walls, a side wall provided therebetween, an upper curved surface portion for connecting the upper and side walls, and a lower curved surface portion for connecting the bottom and side walls. An upper wall center rib includes an upper wall center part, and upper wall annular ribs respectively connecting substantially center parts of the upper wall and surrounding the upper wall center rib. Ribs are formed substantially centrally in the upper curved surface portion. A bottom wall center rib includes a center part in the bottom wall. Bottom wall annular ribs are formed connecting the bottom wall and surrounding the bottom wall center rib. Lower curved surface portion ribs are formed substantially centrally in the lower curved surface portion, and main surface ribs are formed substantially centrally in the side wall.

Abstract: A storage tank (10) for storing a fluid, such as water, having a wall defined by a plurality of panels (12) which are retained by opposed side edges between adjacent support members (11). The support members have a base portion (13) and a support portion (15) and are free-standing on the base portion (13) on an earthen floor allowing the tank (10) to be constructed at sites without concrete foundations such as a concrete pad or ring. Preferably all that is required prior to construction of the tank (10) is for the site to be graded (if necessary). The tank also has a liner (20) that lines the interior surfaces of the wall and the floor.

Abstract: An improvement to a collapsible liquid holding tank includes a chute which extends outwardly from an opening in one of the tank side walls. The chute is formed by a bottom panel and side walls of collapsible material, the bottom panel perimeter being reinforced by a hinged frame which swings between “vertical” and “horizontal” conditions in which the opening is “closed” and “opened,” respectively. A clamp hinged on the top rail of the tank secures the chute in the “closed” condition in which the bottom panel of the chute extends across the opening. To drain the tank, the clamp is rotated clear of the frame and the chute is swung to the “opened” condition by the weight of the liquid in the tank.

Abstract: A cylindrical upstanding water tank is formed from a plurality of rows of corrugated curved panels bolted edge to edge with a liner extending over the cylindrical wall and support surface to contain the water within the tank. An access opening is formed in one panel of the cylindrical wall and includes a frame with a rectangular planar front flange and a rearwardly extending flange welded into the hole. Liner retention straps surround the hole to fasten an edge of the liner around the hole. An access cover plate is bolted to the front flange of the frame and carries a hoop strength plate which fastens to studs at the rear of the plane so that the plates are removable to allow service access to the interior of the tank.

Abstract: A modular rainwater storage tank configured to allow storage capacity in a small area when positioned around the corner of a rectangular house or other structure utilizing run off from a roof top. The storage tank may be designed as a three-dimensional quarter-round such that three units will fit in a tight configuration around a right angle. Each storage tank has opposing overflow channels in a raised rim enclosing a recess in the lid. Downspout water is directed to an opening in the raised rim. When the storage tank is full, excess water in the recess in the lid may be directed to an adjacent storage tank in a cascaded configuration. In this manner, three storage tanks may be positioned and cascaded around a corner.

Abstract: A variable-diameter tank construction system is provided. The tank construction system uses sets of wedges (shims) and bevel-faced spacers (washers) in conjunction with the field connections of the vertical edges of adjacent modular tank wall panels, so as to create an angular deviation between the tangent lines of the wall panels immediately adjacent to and on either side of the vertical joint between the connected panels.

Abstract: The invention relates to a fluid storage tank having an interior volume and a floor and having an internal spill containment chamber comprising a vent gas scrubbing apparatus or scrubber. The chamber may be defined by a containment wall which completely separates the chamber from the tank interior volume. The containment wall may comprise an exterior portion which extends beyond the tank wall. The scrubber is disposed within the chamber and comprises a gas inlet passing through the containment wall into the tank interior volume, a gas outlet for venting scrubbed gases, and a gas scrubbing chemical storage and circulation system.

Abstract: The present invention provides cold climatic protection to the hydro tanks and associated fluid conduits present on a frac pad. A modular endoskeleton is provided and covered by a plurality of rip resistant tarps. A heat entrapment canopy results which maintains an inner temperature above freezing even in extreme cold outside temperatures.

Abstract: A concrete storage tank structure comprises a tank including a floor slab having a periphery and a wall having inner and outer faces extending upwardly from the floor slab at a position adjacent the periphery of the latter. The tank structure further includes a shear pad extending outwardly away from the tank from a position adjacent a lower portion of the outer face of the wall. The shear pad and the tank are positioned relative to one another in such a way that a space is provided therebetween and a number of elongated flexible connecting elements are arranged so as to extend through the space in interconnecting relationship relative to the shear pad and the tank. A strip of resilient neoprene elastomeric material is disposed in the space. The shear pad is thus flexibly attached to the tank in such a way that the forces imposed on the wall of the tank by the shear pad during movement of the tank during use are minimized.

Abstract: A method and apparatus for fluid storage and pumping comprising a fluid storage tank incorporating a housing cavity.

Abstract: A frac tank adapted for vehicular transport and field storage of a liquid, comprising two parallel, elongated, hollow, intersecting cylinder sections that are capped at the longitudinal ends. Each section has an arcuate wall defining a cross-section of greater than 180°, a major diameter, and a minor diameter at the ends of the arcuate wall, wherein the ends of the arcuate wall of each section are sealingly joined to form the tank wall. The joined ends of the arcuate walls form inwardly directed cusps along the length of the tank with the major diameters spaced apart on either side of the cusps.

Abstract: A flexible fluid storage tank and method for assembling, with specific emphasis on a system that may be field assembled with little or no tools, while preserving the flexibility of being tailored in size, shape and configuration to the user's needs with minimal customization and disassembly capabilities.

Abstract: An environmentally secure weather containment system for at least one chemical container comprising a primary container significantly nested within and sealingly mated with a secondary container, the primary tank having an exposed portion, the secondary container providing a housing for at least one pump and at least one port for at least one a power line or signal line above a 110% containment level.

Abstract: A water storage structure includes an impermeable layer including a plurality of hydrophobic particles, a water retentive layer provided on the impermeable layer and capable of holding a predetermined volume of liquid, and a pavement layer provided on the water retentive layer and including a tube penetrating from a first surface to a second surface.

Abstract: A water containment apparatus includes a straight strut arrangement comprising a plurality of straight strut assemblies forming an alternating v-shape and inverted v-shape pattern; and a curved strut arrangement comprising a plurality of corner strut assemblies forming a desired curvature and connecting two straight strut arrangements to form a closed loop water containment system.

Abstract: An LNG receiving structure of the present invention is provided with a leader pipe (1) that is placed underneath a receiving pipe (102) that penetrates a roof of an LNG tank, and that extends to a bottom end of the LNG tank. This LNG receiving structure employs a structure in which the cross-sectional area of the leader pipe is set greater than the cross-sectional area of the receiving pipe. According to this LNG receiving structure, it is possible to minimize the risk that rollover will occur when a plurality of types of LNG that each have mutually different densities are accumulated in the same LNG tank. It is also possible to suppress remixing of the gas when the LNG is received into the LNG tank.

Abstract: Black polyethylene storage tanks are an inexpensive and effective way to store water and simultaneously inhibit algae growth. However, based on other considerations, it may be desirable to use a storage tank with a non-black color. By producing a polyethylene water storage tank with a black inner layer and a non-black outer layer, the desire to inhibit algae growth and the desire to have a non-black exterior can both be met.

Abstract: A variable-diameter tank construction system is provided. The tank construction system uses sets of wedges (shims) and bevel-faced spacers (washers) in conjunction with the field connections of the vertical edges of adjacent modular tank wall panels, so as to create an angular deviation between the tangent lines of the wall panels immediately adjacent to and on either side of the vertical joint between the connected panels.

Abstract: A liquid storage system. The liquid storage system includes a storage tank having an upright section and a base section. A volume extends between the upright and base section. An inlet and outlet are coupled to the volume for adding and extracting fluid from the storage tank, respectively. There is at least one shelf coupled to the upright section of the storage tank.

Abstract: A framework for support of a tank within the framework includes four corner posts joined by four top rails and four bottom rails together defining a rectangular prism. At least one of the rails includes a forkpocket assembly. The forkpocket assembly includes at least one forkpocket protection plate. The forkpocket protection plate defines a pair of forkpocket tubes configured to receive tines of a forklift. The forkpocket tubes are situated at a vertical forkpocket height selected to be removed from the tank vertical profile of a framework profile. A vertical protection plate extends vertically over a portion of the tank vertical profile of a framework profile.

Abstract: A modular berm system and method for installing the berm system about a containment area are provided. The berm system is formed by interconnecting a plurality of panels in an end-to-end arrangement. Corner pieces which enhance the modularity, stability and rigidity of the berm system are also provided. A continuous liquid barrier liner overlies the containment area and the supporting perimeter of panels. The liner blocks any discontinuities between panels. Discontinuities can be overlapped with flaps for protection of the liner.

Abstract: The invention relates to a fluid storage tank having an interior volume and a floor and having an internal spill containment chamber comprising a vent gas scrubbing apparatus or scrubber. The chamber may be defined by a containment wall which completely separates the chamber from the tank interior volume. The containment wall may comprise an exterior portion which extends beyond the tank wall. The scrubber is disposed within the chamber and comprises a gas inlet passing through the containment wall into the tank interior volume, a gas outlet for venting scrubbed gases, and a gas scrubbing chemical storage and circulation system.

Abstract: The interior of a storage tank is filled with a storage composite and one cylindrical rib is positioned on each of the lower surface and the upper surface of partitions to project therefrom. Funnel-shaped end spacers have a large-diameter tube portion for engaging with and connecting to the cylindrical ribs on the upper and lower surfaces of the partitions, and a small-diameter tube portion having a smaller diameter than the large-diameter tube portion. Both ends of cylindrical connecting spacers engages with the small-diameter tube portion of a pair of end spacers, and the length of one side of a partition is S, the diameter of the section in which the cylindrical rib engages the large-diameter tube is set within the range of 0.40S to 0.95S. Multiple levels of horizontal connected units are provided, and end spacers and connecting spacers are interposed between the horizontal connected units of multiple levels.

Abstract: Berm apparatus comprised of a plurality of berm members having a cross sectional configuration to limit the release of a substance into the environment. The berm members may include a footing member extending laterally from a first side of an upright member adjacent to a bottom end of the upright member. The berm members may also include a containment surface projecting from a second side of the upright member adjacent to a top end of the upright member. The containment structure may also project from adjacent the top end portion to a grade upon which the berm member rests. In this regard, the berm members may contribute to the structural integrity of the berm members, reducing the tendency of the berm member to slide or tip.

Abstract: Floating and towable multiple container apparatus, each container apparatus (18) attached to other container apparatus laterally and longitudinally. A Structural helical spring turns support continuous sealing wall (30) made of helix shaped plastic strip and consists of continuous multiple inflatable cavities (34) wrapped around and attached to spring turns. A helical shape clamp (32) secures the sealing wall over the spring wire turns. A connection towing bar (44) connects the clamps over each wire spring turn together and provide cable connection means. Two cap shape end covers (64) on both sides of the container with multiple external radial sealing members on its perimeter that engages the inner wall of the sealing wall (30) are pushed into the container apparatus, held with the helical spring wire turns that engage slots in the cap. Multiple water self-collecting one-way flow controls with float (86) allow water flow only into container with float held by inflated cavities in closed position.

Abstract: A closed loop geothermal system has a fluid circulation loop that includes in series: a heat pump, a ground loop heat exchanger, a tank flow center and a circulation pump. The tank flow center includes a tank, a first valve, a second valve and a tank bypass line all mounted in a common housing. The tank may include a refill inlet that opens through a top surface of the housing. A cap may be attached to close the refill inlet. The tank flow center has the regular geothermal operation configuration, a system flush configuration, and a refill configuration. The tank flow center may be elevated above the circulation pump a distance to produce a water column that is greater than a minimum cavitation avoidance head pressure for the circulation pump.

Abstract: A modular rainwater storage tank configured to allow storage capacity in a small area when positioned around the corner of a rectangular house or other structure utilizing run off from a roof top. The storage tank may be designed as a three-dimensional quarter-round such that three units will fit in a tight configuration around a right angle. Each storage tank has opposing overflow channels in a raised rim enclosing a recess in the lid. Downspout water is directed to an opening in the raised rim. When the storage tank is full, excess water in the recess in the lid may be directed to an adjacent storage tank in a cascaded configuration. In this manner, three storage tanks may be positioned and cascaded around a corner.

Abstract: A sewage tank for use with a pump such as a grinder pump to convey sewage. The sewage tank includes a container having an upper portion and a lower tapering portion defining a chamber for containing the pump. The lower tapering portion has a reduced size compared to the upper portion. The upper portion and the lower portion may include a plurality of intersecting vertical ribs and horizontal ribs defining a plurality of recessed pockets. The lower portion of the sewage tank may also include an outwardly-extending flange sufficiently sized so that soil may be backfilled around the bottom of the tank to prevent the tank from floating upward out of the ground due to its buoyancy under high ground water conditions. A sewage tank having a stepped flange is also disclosed.

Abstract: A tank assembly includes an elongated plastic tubular pipe structure and at least one end wall or internal bulkhead wall attached to the plastic tubular pipe structure. The end wall or internal bulkhead wall is a composite unit formed by a plastic sheet member sized to cover a cross-sectional area defined by the tubular pipe structure and a composite reinforcement strip bonded to the plastic sheet member. The composite reinforcement strip includes an elongated plastic base portion having a plurality of spaced apart ribs extending from a first side thereof and lengthwise therealong, each rib comprising an elongated metal reinforcement encased in plastic, the plastic base portion having a second side abutting against a surface of the plastic sheet member. Other structures can be reinforced using composite strips that are electrofusion welded to one or more walls of the structure.

Abstract: Apparatus and methods are provided to minimize the escape of fuel out of a fuel tank when a tank wall is penetrated by a bullet. In one embodiment, a pressure differential may be maintained between a pressure within a fuel tank cavity and another pressure outside the fuel tank cavity in order to minimize the loss of fuel upon penetration of the fuel tank. In another embodiment, a compressed rubber layer of fuel-reactive rubber may be provided which is adapted to be attached to a fuel tank wall and to swell upon contact with fuel in order to substantially seal a penetrated hole in the fuel tank wall.

Abstract: An above ground liquid storage system includes a substantially impermeable liner bounding an interior for receiving a liquid. A plurality of supporting structures and a base support the liner and the liquid when the liquid is received in the interior. The liner extends from the base over a top end of the plurality of supporting structures and descends to the ground to form a cavity under the plurality of supporting structures. A first supporting structure of the plurality of supporting structures includes a leg member supporting the liner and a support member connected to the leg member and holding the leg member upright. At least one of the leg member and the support member includes a releasably attachable extension portion to allow separation of the extension portion from a remainder of at least of the leg member and support member.

Abstract: A composite resin tank includes a wall joined to a dome along a joint. A softening strip is located in the joint.

Abstract: A fluid storage vessel can include an expanded polystyrene (EPS) core formed into an integrated unit so that it can reliably withstand the hydrostatic pressures of large volumes of water (or other liquids). The EPS core can be wrapped with a high tensile strength material to accommodate performance under full volume loads. The vessel can be coated on the exterior and/or interior with a fiber reinforced cementitious composite. A vessel can optionally include thermostatically controlled heaters for use in cold environments.

Abstract: A proppant storage vessel has a first container with an interior volume, and a second container supported in spaced relation above the first container. The first container has a bottom hatch affixed to a bottom wall thereof. The bottom hatch is movable between an open position and a closed position. The first container has an opening at a top wall thereof. The second container has bottom hatch formed on a bottom wall thereof. The bottom hatch of the second container is aligned with the opening of the first container such that a proppant in the second container can flow through the hatch thereof into the interior volume of the first container. Each of the containers includes first, second, third and fourth inclined surfaces positioned in the interior volume and extending from the respective side walls and end walls thereof toward the bottom hatch.

Abstract: A dual-drainage switching mechanism of water tank has: a water container with bottom opening of the inner cavity, an air vent communicating with the inner cavity is arranged on the sealed top; a valve unit used for controlling opens or closes of the air vent; a drain valve controller comprising a partial flush button and a full flush button, and he air vent is opened through the linking and coupling of the full flush button and the valve unit, and the air vent is closed through the linking and coupling of the partial flush button and the valve unit. The dual-draining switch is achieved through hermetically storing or non-hermetically controlling part of water body in the inner cavity of the water container, traditional one-pressing drain valve can be transformed into the draining control mechanism with dual-draining function.