WO2007016721A1 - Stockage d'eau, d'eau de pluie ou d'eau grise ou d'autres liquides sous une dalle plancher en beton - Google Patents

Stockage d'eau, d'eau de pluie ou d'eau grise ou d'autres liquides sous une dalle plancher en beton Download PDF

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Publication number
WO2007016721A1
WO2007016721A1 PCT/AU2006/001025 AU2006001025W WO2007016721A1 WO 2007016721 A1 WO2007016721 A1 WO 2007016721A1 AU 2006001025 W AU2006001025 W AU 2006001025W WO 2007016721 A1 WO2007016721 A1 WO 2007016721A1
Authority
WO
WIPO (PCT)
Prior art keywords
reservoir
liquid storage
liquid
module
storage reservoir
Prior art date
Application number
PCT/AU2006/001025
Other languages
English (en)
Inventor
Malcolm Bruce Gordon
Original Assignee
New Water Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2005904200A external-priority patent/AU2005904200A0/en
Application filed by New Water Pty Ltd filed Critical New Water Pty Ltd
Priority to AU2006279239A priority Critical patent/AU2006279239A1/en
Publication of WO2007016721A1 publication Critical patent/WO2007016721A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • E03B3/03—Special vessels for collecting or storing rain-water for use in the household, e.g. water-butts
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B2001/045—Greywater supply systems using household water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00—Methods or layout of installations for water supply
    • E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041—Greywater supply systems
    • E03B2001/047—Greywater supply systems using rainwater
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/30—Relating to industrial water supply, e.g. used for cooling

Definitions

  • This invention relates to a liquid storage method and a construction for storing liquids. It relates particularly but not exclusively to the storage of rainwater and/or grey water beneath a concrete floor slab of a building.
  • the ratio of catchment area per human is decreasing placing even more burden on the water supply.
  • the storage system be one which is relatively simple to construct, can be sited in locations where it is not an eyesore and can be readily accessible in times of need.
  • the invention provides a method of creating a liquid storage reservoir under a floor cast from a settable material comprising the steps of, creating a mould form for casting of the settable material, the mould form having a shape including an area for casting of flooring, and a trough for moulding a beam extending under the flooring, disposing a void forming material in the mould form in the sub-floor space to create a liquid storage cavity for the liquid storage reservoir, disposing the liquid storage reservoir in the cavity before or after casting of the settable material, and connecting a pump module to the liquid storage reservoir, the pump module being adapted to direct liquid into the liquid storage reservoir and to pump liquid from the liquid storage reservoir.
  • the settable material may comprise concrete. It may include reinforcement as is known in the art.
  • reinforcement may comprise steel bar and/or mesh and/or rod.
  • the material when set may include integrally formed ribs and/or beams or other structural features to improve the structural integrity of the flooring.
  • the void forming member may itself comprise the liquid storage reservoir. It may comprise one or more modules. Where it comprises a plurality of reservoir modules, the reservoir modules may be interconnected so as to allow liquid to flow between reservoir modules. The reservoir modules may also be rigidly secured together.
  • the modules may comprise generally squat containers formed by a process such as rotational and/or blow moulding of plastics. Typically, their depth dimension will be substantially less than their length and breadth assuming they are of square or rectangular shape. They may typically have a holding capacity of 400 to 900 litres.
  • the reservoir modules may comprise, four ribbed side walls, a bottom panel, a ribbed top panel, and at least one support member extending between the top and bottom panel.
  • the ribs may be formed as elongate recesses on the walls or top panels.
  • the reservoir modules may comprise a step formed on each of the four ribbed side walls. They may comprise four formed hollow support members extending between the top and bottom panel. The hollow support members may be formed integrally with the reservoir modules or they may be added after moulding of the reservoir modules.
  • They may comprise columns.
  • the reservoir modules may comprise containers formed of flexible membranes.
  • each rigid module may be located so that a bottom panel of a module is supported by the ground and the top panel of the module supports the underneath of the cast settable material such as concrete.
  • each module may include stiffening or reinforcement.
  • the ends of the columns may be open.
  • Barrier material may be installed between the upper surface of the module and the settable material.
  • the barrier material may comprise plastic sheet. It may comprise material impermeable to termites. It may provide some thermal insulation.
  • the barrier material may be installed so that it is interposed between the bottom panel of the module and the ground on which it rests.
  • a supply pipe may extend through a lateral opening in a perimeter beam of the floor. It may extend to a pump module from an outlet of the liquid storage reservoir. Typically, the supply of liquid may be by way of drainage from guttering, such as guttering from roofs and/or household use such as shower effluent etc.
  • the pump module may act to direct drainage liquid into the liquid storage reservoir and to pump liquid therefrom on demand.
  • the pump module may comprise filtering means for removing debris from liquid being directed into the liquid storage reservoir.
  • Treatment means as are known in the art may be used to treat water which is drawn from the liquid storage reservoir to make it suitable for its intended purpose.
  • the treatment means may be incorporated in the pump module.
  • Figure 1 shows a plan "x-ray" view of a section of concrete slab incorporating a liquid storage reservoir according to the invention
  • Figure 2 shows the section Z-Z taken on the slab of Figure 1;
  • Figure 3 shows an isometric view of an edge section of a slab along the lines of the slab shown in Figure 1 ;
  • Figure 4 shows an isometric view of one and a half storage modules for use with the invention
  • Figure 5 shows a plan view of a pump module for use with the invention
  • Figure 6 shows the section A-A taken on Figure 5;
  • Figure 7 shows the section B-B taken on Figure 5;
  • Figure 8 shows a flow diagram of a storage reservoir according to the invention
  • Figure 9 shows an isometric view of a tank module for use with the invention
  • Figure 10 shows an isometric partial x-ray view of an installed liquid storage reservoir according to the invention
  • Figure 11 shows an elevational cross sectional view of a floor and liquid storage reservoir
  • Figure 12 shows a plan view of a liquid storage reservoir
  • Figure 13 shows an elevational view of two tank modules
  • Figure 14 shows an elevational partially cut away view of a tank module.
  • a slab assembly generally designated 1 which comprises a cast slab 2 of concrete.
  • the slab has been cast so that the floor of the slab 14 sits above ground level 3 supported by a series of intersecting cast intermediate beams 16 and a perimeter beam 12.
  • a reservoir assembly 5 sits in the sub-floor space 23 defined between a pair of parallel ribs. Where the parallel ribs are spaced wider than the reservoir assembly, this area may be left void or used to accommodate further reservoir capacity.
  • the floor 14 of the cast concrete slab includes reinforcement 13 in the form of conventional steel reinforcement as is known in the art eg. rod or mesh reinforcement. It is to be noted that the thickness of the floor in the general region of the reservoir assembly including the region surrounding reservoir assembly may be increased relative to the rest of the floor 14 to compensate for the reduction in the number of ribs which have been omitted to allow for the disposition of the reservoir assembly 5 in the sub-floor space 23.
  • the perimeter beam 12 is formed with a perimeter step 15 as is conventional in cast slabs for buildings and in this particular embodiment may include an opening 17 reinforced on its underside with a region of thickening 18 and on its upper side with a
  • the opening 17 is an optional feature if the reservoir assembly utilises a flexible membrane as it will allow removal of a void forming member after casting and replacement with a flexible membrane. Where the reservoir assembly is a rigid construction as shown in Figure 4 it may be positioned prior to casting and so there is no need for the opening 17.
  • a pump module 9 is mounted on the external vertical face of the perimeter beam 12 across the opening 17.
  • Forming material 24 such as polystyrene foam or cardboard or simply a build up of earth or sand or excavation of trenches is provided to form the intermediate beams 16.
  • a reservoir module generally designated 25 may be used alone or in combination with similar reservoir modules to form the reservoir assembly 5 beneath the floor of the slab.
  • the reservoir assembly effectively acts as a mould form for creating the sub-floor space 23 in which it is located when the concrete is cast. It may be in direct contact with the pump in the casting operation or it may be covered with an impermeable sheet such as one made of plastic provided on its top surface or alternatively, an impermeable sheet may be located beneath the reservoir assembly.
  • Each reservoir module may typically be manufactured from a semi-rigid plastic like material such as PVC, polyethylene, polypropylene or any other material which is resistant to corrosion. Typically it may have been manufactured by rotational moulding, blow moulding, injection moulding or any other form of fabrication suitable for the selected material.
  • the reservoir module includes supports in the form of reinforcing pillars 26 formed during the moulding operation or inserted later. Typically these may be tubular pillars with open ends on both upper and lower faces of the reservoir module.
  • Bottom lugs 27 and top lugs 28 are provided on opposed sides of each reservoir module and are arranged so that holes 29 in the lugs align when reservoir modules are pushed together side to side, hi this way, it is easy to secure adjacent modules together using pins 30.
  • the outer edges defining the reservoir assembly may optionally be secured via drive pins 34 pushed through the holes 29 and into the ground.
  • Rebates 31 are provided in the sides of the reservoir modules.
  • the rebates are arranged to receive connecting spools 32 which extend between adjacent reservoir modules so as to allow communication of fluid between the various modules making up the reservoir assembly. Where there is not an adjacent reservoir module, the rebates 31 will be closed. This may be by Way of a plug inserted into the rebate. Alternatively, the rebate may be closed as part of the manufacturing operation and holes may be drilled in the closed rebate to fit the connecting spools 32 when required.
  • a supply pipe 39 is arranged to connect with the inlet 33 of at least one of the modules.
  • the supply pipe is arranged to extend through the opening 17 in the case of a flexible membrane. Otherwise it may be covered with a sheath 47 to protect the supply pipe which extends directly through the concrete of the perimeter beam. Alternatively it may extend beneath the perimeter beam.
  • an offtake pipe 45 provided with a sheath 48 extends through the outlet 53 of the reservoir assembly for purposes to become apparent.
  • the pump module 9 may be mounted on the perimeter beam via a mounting plate 36. It includes inlet pipe 38 for receiving liquid from a source such as drains for storm water or grey water. The inlet pipe passes through the walls of the housing 37 of the pump module and communicates with the litter trap 43 for removal of debris and larger particulates. It exits as inlet pipe 38a from the litter trap and communicates with supply pipe 39 for directing the liquid into the reservoir assembly.
  • a source such as drains for storm water or grey water.
  • the inlet pipe passes through the walls of the housing 37 of the pump module and communicates with the litter trap 43 for removal of debris and larger particulates. It exits as inlet pipe 38a from the litter trap and communicates with supply pipe 39 for directing the liquid into the reservoir assembly.
  • An overflow pipe 40 also communicates with the inlet pipe 38 and is arranged at a raised level above the level of the reservoir assembly so that excess liquid will drain away to waste when the reservoir assembly is filled.
  • a pump 46 is arranged in the housing. This connects with the offtake pipe 45 to direct liquid from the reservoir assembly into the distribution pipes 50 as and when required.
  • a removable cover 49 having an opening 52 and an cap 51 for sealing the opening are provided to allow easy access to the litter trap so that it can be emptied periodically as and when required.
  • a typical reservoir module 60 for use with the invention may comprise a rotational moulded plastics module which is rigid and can act as a replacement for an expanded polystyrene pod in a waffle slab without effecting the integrity of the slab.
  • a number of these reservoir modules can be linked together to enable water storage in as many tanks as there are waffle pods. Where the reservoir modules are used in this type of situation, they may have a capacity of about 660 litres per module.
  • the reservoir modules comprise four side walls 61 having rib recesses 63 and a central rib recess 64 which give structural strength to the side walls.
  • Each of the walls is formed with a step 65 which is interrupted by the various rib recesses. Furthermore, additional recesses 66 may be provided underneath parts of the step. These again lend strength to the module. Holes 67 are provided in the step to allow adjacent modules to be bound together by means of a U shaped clip 90. Alternatively, a drive pin 34 may be used to anchor the side wall to the ground 82.
  • a pipe 70 which can connect with a corresponding pipe of an adjacent module is provided, thereby allowing free flow of liquid between connected modules.
  • An air vent 72 is used to permit air transfer between adjacent modules by way of the air pipe 89 shown more clearly in Figure 11.
  • the side walls are provided with a sloped region 74 at the join between the side walls and the top panel 75 and a bottom panel 76 closes off the reservoir module.
  • Parallel recessed ribs 77 and 78 are provided on the top panel. These provide structural strength to the top panel.
  • Figure 14 extend between the top and bottom panels and further increase the structural strength.
  • the hollow columns may be formed integrally with the reservoir module during the plastics moulding operation used to produce it or they may be added separately afterward.
  • the hollow columns are located at the intersection of the parallel pairs of recessed ribs 77 and 78 and may be covered with a cap 80.
  • FIG. 10 to 13 there is shown a number of views detailing the manner in which a number of reservoir modules may be joined together to form a liquid storage reservoir under a cast concrete floor.
  • a plurality of modules are located next to each other on a prepared area of ground 82 and are joined together with clips 90.
  • Pipes 70 between adjacent modules are connected to allow free transfer of liquid between the modules.
  • the pump module 9 which sits outside the brick wall 88 of a house is also connected prior to casting of the concrete.
  • the brick wall sits on the perimeter beam 85 as is known in the art.
  • a sand layer 83 surrounding the modules to a depth slightly higher than the step 65 is laid so that it covers the connecting pipes 70 and the bottom of the air pipe 89 joining adjacent modules.
  • Additional form work 86 in the form of expanded polystyrene pods are positioned in the normal manner as is the steel reinforcement 13. Where the pipes 70 do not lead to an adjacent module, they are closed by plugs 87 prior to the sand layer being put in place. Although the pipes may be separate items which are inserted into a hole drilled in the wall of the module. In such instances where there is no adjacent module there is no hole drilled and no pipe inserted.
  • the offtake pipe 45 and supply pipe 39 are connected to one of the modules. This module acts as a distribution point for the other reservoir modules.
  • concrete 84 is poured over the top and sides of the assembly of reservoir modules to form a composite liquid storage reservoir under the floor of the building.
  • the various pipes 70, 39 and 45 lie in the sand layer so that they will be protected from damage by the concrete layer should there be any cracking or movement of the concrete.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

Procédé de fabrication d'un réservoir de stockage de liquide (60) sous un plancher coulé à partir d'un matériau durcissable, comprenant les étapes consistant à : fabriquer un coffrage pour réaliser le coulage du matériau durcissable (84), le coffrage présentant une forme incorporant une zone de coulage d'un plancher (14), et un chenal pour réaliser le moulage d'une poutre (85) s'étendant sous le plancher ; disposer un matériau formant un vide (60) dans le coffrage dans l'espace de sous-plancher de façon à créer une cavité de stockage de liquide pour le réservoir de stockage de liquide ; disposer le réservoir de stockage de liquide dans la cavité avant et après le coulage du matériau durcissable ; et raccorder un module à pompe (9) au réservoir de stockage de liquide, le module à pompe étant conçu pour refouler du liquide dans le réservoir de stockage de liquide et pour aspirer du liquide du réservoir de stockage de liquide.
PCT/AU2006/001025 2005-08-05 2006-07-21 Stockage d'eau, d'eau de pluie ou d'eau grise ou d'autres liquides sous une dalle plancher en beton WO2007016721A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2006279239A AU2006279239A1 (en) 2005-08-05 2006-07-21 Storage of water, rainwater or grey water or other liquids beneath a concrete floor slab

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2005904200 2005-08-05
AU2005904200A AU2005904200A0 (en) 2005-08-05 Liquid Storage Method

Publications (1)

Publication Number Publication Date
WO2007016721A1 true WO2007016721A1 (fr) 2007-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2006/001025 WO2007016721A1 (fr) 2005-08-05 2006-07-21 Stockage d'eau, d'eau de pluie ou d'eau grise ou d'autres liquides sous une dalle plancher en beton

Country Status (1)

Country Link
WO (1) WO2007016721A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917384A1 (fr) * 2007-06-15 2008-12-19 Rain Cube Soc Par Actions Simp Module pour la realisation d'un espace enterre de recuperation d'eaux pluviales et installation enterree de recuperation d'eaux pluviales
AU2007203046A1 (en) * 2007-06-29 2009-01-15 H2O Hive Holdings Pty Ltd System for Storing Water
WO2009147300A1 (fr) * 2008-06-04 2009-12-10 Teijo-Talot Oy Fondations transportables en béton, bâtiment transportable et procédé de fabrication de fondations en béton pour bâtiment transportable
WO2013184005A1 (fr) * 2012-06-05 2013-12-12 Charles Caulder Bree Fondation modulaire résistante au mouvement du sol
FR3034440A1 (fr) * 2015-04-01 2016-10-07 Lionel Ormeo Dispositif constructif avec une dalle de surface ballastee

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470740A1 (fr) * 1979-12-03 1981-06-12 Neveux Francois Cuve destinee a etre enterree
DE4321557A1 (de) * 1993-06-29 1995-01-19 Passavant Werke Verfahren zum Erstellen von Becken für die Abwasserbehandlung
GB2369400A (en) * 2000-11-28 2002-05-29 Stuart Summerfield Underground water storage system
DE10158422A1 (de) * 2001-11-29 2003-06-12 3 P Technik Filtersysteme Gmbh Behälter zum Sammeln und Bevorraten von Regenwasser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470740A1 (fr) * 1979-12-03 1981-06-12 Neveux Francois Cuve destinee a etre enterree
DE4321557A1 (de) * 1993-06-29 1995-01-19 Passavant Werke Verfahren zum Erstellen von Becken für die Abwasserbehandlung
GB2369400A (en) * 2000-11-28 2002-05-29 Stuart Summerfield Underground water storage system
DE10158422A1 (de) * 2001-11-29 2003-06-12 3 P Technik Filtersysteme Gmbh Behälter zum Sammeln und Bevorraten von Regenwasser

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917384A1 (fr) * 2007-06-15 2008-12-19 Rain Cube Soc Par Actions Simp Module pour la realisation d'un espace enterre de recuperation d'eaux pluviales et installation enterree de recuperation d'eaux pluviales
AU2007203046A1 (en) * 2007-06-29 2009-01-15 H2O Hive Holdings Pty Ltd System for Storing Water
WO2009147300A1 (fr) * 2008-06-04 2009-12-10 Teijo-Talot Oy Fondations transportables en béton, bâtiment transportable et procédé de fabrication de fondations en béton pour bâtiment transportable
WO2013184005A1 (fr) * 2012-06-05 2013-12-12 Charles Caulder Bree Fondation modulaire résistante au mouvement du sol
RU2636067C2 (ru) * 2012-06-05 2017-11-20 Чарльз Колдер БРИ Модульный фундамент, устойчивый к движению грунта
FR3034440A1 (fr) * 2015-04-01 2016-10-07 Lionel Ormeo Dispositif constructif avec une dalle de surface ballastee

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