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WO2004111352A1 - Portique utilitaire - Google Patents

Portique utilitaire Download PDF

Info

Publication number
WO2004111352A1
WO2004111352A1 PCT/NZ2004/000127 NZ2004000127W WO2004111352A1 WO 2004111352 A1 WO2004111352 A1 WO 2004111352A1 NZ 2004000127 W NZ2004000127 W NZ 2004000127W WO 2004111352 A1 WO2004111352 A1 WO 2004111352A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
base plate
portal
wall
cover
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/NZ2004/000127
Other languages
English (en)
Inventor
Derrick Anthony Rhodes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to US10/561,086 priority Critical patent/US20070039248A1/en
Priority to EP04748822A priority patent/EP1641982A4/fr
Priority to AU2004248079A priority patent/AU2004248079B2/en
Publication of WO2004111352A1 publication Critical patent/WO2004111352A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers

Definitions

  • the invention broadly relates to roading and highway fixtures. More specifically, the invention relates to an improved road utility portal and a frame for the portal unit. The invention also provides a method of elevating the frame in a surface.
  • Road utility portals which include manhole portals, fire hydrants and water and power utility portals are a common feature of most urban roads, footpaths, motorways and highways. These utility portals provide access to power cables, water and drainage pipes which lie beneath a road surface.
  • FIGS 1A and 1 B illustrate a plan view of a commonly used utility portal which is generally referenced 1.
  • the portal 1 includes a frame 2 and a cover 3.
  • the frame 2 is substantially round or oval in shape and includes a base plate 4 and a side 5 which extends upwardly from an upper face 6 of the base plate 4.
  • the base plate 4 provides a flange member 7a and an internal ledge member 7 separated by the upwardly extending side 5.
  • the cover 3 rests on the ledge member 7.
  • a plurality of side supports 8 form a wedge between the side 5 and the flange member 7a to provide additional support for the side 5.
  • Figure 1 shows the portal 1 as substantially round, a flange member 7a is common for square and rectangular portals 1.
  • a portal 1 adapted for use with a manhole is normally engaged with a concrete top (not shown) which in turn is positioned over a manhole shaft.
  • the frame 2 is secured by concrete, bolts, screws, adhesive or the like to the concrete top of the manhole shaft.
  • Road seal which includes concrete, tar seal and/or asphalt then covers the top of the concrete shaft and flange member 7a of the base plate 4 to secure the frame 2 in place.
  • the concrete, tar seal and/or asphalt covers the flange member 7a and the supports 8. This further secures the frame 2 in place and substantially aligns the road surface with the sides 5 and upper surface of the cover 3.
  • This type of portal 1 has a number of disadvantages. The construction makes it difficult later to remove, replace or realign the portal 1 with the road surface without first grinding the road surface down to uncover the flange member 7a and allow the frame to be raised.
  • a number of manufacturers have provided base panels which are adapted to engage with the under surface of the frame 2 and raise the portal 1 by a specific level.
  • the panels have been designed particularly for use with large portals 1 such as manholes.
  • the panels may only be produced in limited sizes (manhole portal sizes) for economic reasons.
  • the road surface covering the base plate 4 must also be ground down to expose the frame member 7a before the portal can be raised to the new road level and the panel inserted under the base plate 4. This is time consuming and expensive. For these reasons it has become common to delay raising manhole portals, for example, until the dip in the road surface becomes too great.
  • Ring extensions which engage with the side(s) 5 of the portal may also be available to raise the height of the cover 3 to the road surface level. Ring extensions can be produced for large portals such as manhole portals or small portals, such has fire hydrants. Ring extensions raise the portals by a minimum of 50 millimetres. This is because ring extensions which are less than 50 millimetres are uneconomic to use and to manufacture.
  • a utility portal frame including a base plate having an aperture to provide a portal entrance, and at least one wall dependent from the base plate, the wall extending substantially orthogonally relative to the base plate from an outer peripheral edge of the base plate.
  • the frame is adapted in use to be raised from a first position to a second position substantially without disturbance to material surrounding the at least one side wall.
  • a frame adapted to support a cover and the side wall which extends substantially upwardly from the base plate to such a height so as to substantially align with an upper surface of the cover when engaged with the frame.
  • the side extends substantially orthogonally from the outer edges of a round or oval base plate.
  • the frame is made from a substantially rigid or firm material.
  • the frame is provided in a substantially rectangular, square or triangular configuration.
  • a utility portal including: a frame including a base plate and at least one wall which extends substantially orthogonally from an outer peripheral edge or edges of the base plate; a cover engageable with the frame wherein said frame can in use be raised from a first position substantially below a new surface plane to a second position substantially to align with the new surface plane substantially without disturbance to the surface adjacent to the frame.
  • the frame includes an aperture of a size to allow a human to substantially pass through the frame.
  • the portal includes a frame provided in substantially round or oval, rectangular, square or triangular configuration.
  • the portal includes a side, extending substantially orthogonally from the outer edge of a round or oval base plate.
  • a method of raising a - utility portal frame having a base plate and a wall dependent from the base plate and extending substantially orthogonally relative to the base plate relative to an existing material surrounding the frame, the method including the steps of lifting the frame such that the wall slides upwardly relative to the surrounding material without substantially disturbing the surrounding material.
  • Figure 1A illustrates a plan view of a prior art portal
  • Figure 1 B illustrates a cross-section view of the prior art portal
  • Figure 2A illustrates a plan view of a frame of one preferred embodiment of this present invention
  • Figure 2B illustrates a cross-section view of a portal, including the frame of Figure 2A, of one preferred embodiment of this invention
  • Figure 3A illustrates a plan view of a frame of an alternative preferred embodiment of the invention
  • Figure 3B illustrates a side view of the portal of Figure 3A.
  • Figure 4A illustrates a plan view of a frame including jacking points to allow the frame to be raised
  • Figure 4B illustrates a cross-sectional view of the frame illustrating the jacking points of Figure 4A.
  • the portal unit 10 includes a portal frame 11 which is adapted in use to allow the frame 11 to be raised from a first position, below a new surface plane (such as a road surface) to a second position substantially aligned with the surface plane.
  • a portal frame 11 which is adapted in use to allow the frame 11 to be raised from a first position, below a new surface plane (such as a road surface) to a second position substantially aligned with the surface plane.
  • the utility portal 10 is adapted in use for positioning on any road, highway, motorway, footpath or like mounting surface.
  • the portal 10 may have a variety of applications,
  • the portal 10 may be provided in a size such that the portal 10 may be used for a manhole portal.
  • the portal 10 may be prepared in a size so that it can be used to cover fire hydrants or utility meters (such as power meters) in a road or footpath.
  • the portal 10 could be provided in a form to allow it to engage with a wall surface to provide access to power cables or the like. It will therefore be appreciated by those skilled in the art that the portal 10 may be provided in a variety of sizes and constructed from a variety of materials depending on a particular application for the portal 10.
  • Figure 2A illustrates a plan view of the frame 11.
  • the frame 11 includes a base plate 13, at least one side wall 14, and includes an aperture 17 which in use allows access through the frame to facilities provided beneath a floor or transport surface such as a road surface.
  • a single side 14 extends around the outer peripheral edge of the base plate 13.
  • the frame 11 may have more than one side, for example four sides 14 extending upwardly from outer peripheral edges of the base plate 13.
  • the base plate 13 is adapted in the preferred embodiment to engage the frame 11 to a mounting surface. If the portal 10 is adapted for use as a manhole portal, the base plate 13 may be adapted to engage with a substantially horizontal concrete top which provides the entrance to a substantially vertical manhole shaft.
  • the base plate 13 may, for example, include apertures (not shown in Figure 2A) to co-operate with both to connect the frame 11 to the mounting surface, as will be described with reference to Figure 4A and 4B.
  • the base plate 13 may be formed as a flat panel. This broadens the number of possible mounting surfaces to which the frame 11 may be engaged with. However, it is envisaged that the base plate 13 may be adapted and/or modified to engage with a mounting surface which is not necessarily flat or is sloped, for example.
  • the base plate 13 and/or the wall 14 is adapted to receive, support or engage with the cover 12 as illustrated in Figure 2B.
  • the base plate 13 provides a ledge or flange 20 to support the cover 12 when the cover 12 is engaged with the frame 11.
  • the frame 11 includes at least one side wall 14 which is best illustrated with reference to a cross-sectional view of the portal unit 10 of Figure 2B.
  • Figure 2B illustrates the cover 12 engaged with the frame 11.
  • the side wall 14 encircles an outer edge 21 of the base plate 13.
  • the side wall 14 extends substantially upwardly and/or substantially orthogonally to the base plate 13 from an outer edge or edges 21 of the base plate 13.
  • the side wait 14 encircles the base plate 13 so that the side wall 14 is substantially parallel with itself at an opposite position of the frame.
  • the side 14 is substantially perpendicular to the base plate.
  • the substantially orthogonal side 14 is adapted to allow the frame 11 to be raised from the first position to the second position to align with the plane of a new road or floor surface without requiring the existing surface (or stationary material from which the surface is formed) surrounding and/or adjacent the frame 11 to be substantially disturbed before the frame 11 is raised.
  • the base plate 13 does not provide a flange member 7a extending substantially outwardly and beyond the side 14. This means that the frame 11 may be raised or removed easily and effectively without substantial excavation of the frame 11 or the adjacent surface of the road, for example.
  • the side wail 14 includes an inner surface 15 which aligns with the cover 12 and an outer surface 19 which is adjacent to the surrounding material in which the frame is mounted.
  • the inner surfaces 15 of the side wall 14 are substantially parallel as illustrated in Figures 2 and 3.
  • the inner surface 15 may be tapered and/or grooved to provide cooperative engagement with the cover 12 which it is to be engaged with frame 11.
  • the side wall 14 may extend substantially upwardly from the base plate 13 by any desired height. However, preferably the side 14 extends to a height above the base plate 13 so that the side 14 aligns with a top surface 16 of the cover 12, when the cover 12 is engaged with the frame 11.
  • a preferred embodiment of a portal unit 10 includes a frame 11 with a side 14 height between 80 mm to 150 mm but preferably 120 mm. This height is preferred where the portal unit 10 is to act as a manhole portal.
  • the portal 10 of Figures 2A and 2B may be substantially oval or circular. However, it will be understood that this is not essential to the operation of the invention.
  • the invention may be equally applied to frames 11 which are rectangular, square or triangular as is illustrated in Figure 3. Frames 11 with corners may also have some advantages in construction.
  • the sides 14 can be formed by bending or otherwise forming edges of the base plate 13 at right angles to the base plate to provide the sides 14.
  • Figure 3A illustrates a plan view of a frame 11 of an alternative embodiment.
  • the frame 11 includes a base plate 13 and four sides 14.
  • the sides 14 extend substantially upwardly from the base plate 13.
  • the base plate 13 provides an internal flange or ledge 20 which is adapted in use to support a cover 12 when engaged with the frame 11.
  • the side walls 14 extend orthogonally from the outermost edges of the base plate 13.
  • Figure 3B illustrates side walls 14 of the frame 11.
  • the frame 11 may be easily raised or lowered as desired.
  • the portal 10 including frame 11 and cover 12 of the present invention may be made of any firm and/or rigid material including metals, plastics, wood or the like. It will, however, be appreciated that the choice of material used to form the portal 10 may be dictated by use of a particular portal 10.
  • a portal 10 for use as a manhole portal 10 is preferably made from cast iron, steel, aluminium or plastic. Steel is of sufficient rigidity to withstand the weight of heavy vehicles passing over the portal 10 without substantially damaging the portal 10 or components thereof.
  • the side walls 14 may be fixedly engaged to the base plate 13 so that they provide an orthogonal surface in a number of ways.
  • the side wall 14 may simply be welded, bolted or glued to the base plate 13. Those skilled in the art will be aware of other methods which may equally be used.
  • the frame 11 is square, the four side walls 14 may be formed by upturning the outer edges of the base plate 13 as mentioned above.
  • the portal 10 may be provided in any size depending on a particular application for the portal 10.
  • a portal 10 which is to be used as an access portal 10 for a fire hydrant or power cables may provide a frame 1 1 of about 40 cm x 15 cm.
  • a portal 10 which is to be used as a manhole portal 10 may provide a frame 11 of a size of about 1 meter in diameter.
  • the width of the base portion may be between 60 mm to 120 mm, although a width of 80 mm has been found to be appropriate for frames 11 which are to be used for manhole portals. It is also desirable for the frames 11 which are to be used as manhole portals that the thickness of the or each side wall 14 be between 6 mm to 16 mm, but preferably 10 mm.
  • the frame 11 may optionally include a means for securing the frame 11 to the mounting surface.
  • Figure 4A illustrates the frame 11 providing a base plate 13 with a means of securing the frame to a mounting surface 26 (not shown in Figure 4A) that is in use provided immediately beneath the mounting plate 13.
  • the mounting surface will typically be the upper edge of a concrete manhole shaft.
  • the base plate 13 includes a plurality of apertures 22 spaced evenly around the frame and adapted to co-operate with bolts, screws, nuts or other securing means (not shown), to secure the frame 11 to the ⁇ mounting surface.
  • the frame 11 could have rods which extend from beneath the base plate 13 of the frame 11 and which are adapted to pass through a concrete lid mounting surface (such as used over manhole shafts) or to engage with a concrete box.
  • the rods may have a screw thread which allows nuts or the like to engage with the thread on the rod to anchor the frame 11 to the concrete lid.
  • the means for securing the frame 11 to a mounting surface may include individual clamps which fasten the frame 11 to the mounting surface.
  • the means of securing the frame 11 to the mounting surface should be sufficient to withstand the environment where the portal 10 is to be present.
  • the fastening means should withstand the vibrations and weight of traffic if the portal 10 is to be used as a manhole portal.
  • the means should be able to be removed or loosened if required to remove or raise the portal unit 10 and or the frame 11.
  • the frame may also provide a means of assisting jacking of the frame from the first position to the second position.
  • Figure 4B illustrates a cross-section through the frame 11 of Figure 4A raised to the second position to align with the plane of a new surface.
  • the frame 11 includes jacking points 23 in the base plate 13 which are adapted to co-operate with jacks 24 to raise the frame from the first position to the second position.
  • the jack point 23 includes an aperture 25 adapted to co-operate with the jack 24.
  • the jack 24 may comprise a large bolt which engages with a corresponding thread provided in the jacking point 23. Thus, rotating the bolt in the required direction will raise the frame relative to the mounting surface 26. Once jacked, jams or packers may be secured beneath the frame 11 to maintain the new second position.
  • the invention also provides an improved method of raising a portal 10 from a first position below the plane of a new surface to a second position substantially aligned with the plane of the new surface when desired. For example, if a road surface is to be resealed, it may be desirable to raise the portal 10 so that the upper edge 27 of the side walls 14 is raised above the existing road surface 28 and the surrounding material 29 (for example roading material) so that the upper edge 2 . 7 is substantially in a new plane, corresponding to an intended new road surface 29 (such as a resealed road surface) as shown in Figure 4B.
  • an intended new road surface 29 such as a resealed road surface
  • the portal 10 may be secured to a mounting surface. If the portal 10 is to act as a manhole portal, the portal 10 may be secured to a substantially horizontal concrete top which covers a manhole shaft.
  • the portal 10 includes a frame 11 and a cover 12 as shown in Figure 2B.
  • the frame 11 is of a size adapted to allow access to an average size human. However, where the portal 10 is used to protect power cables or a fire hydrant, a smaller portal 10 may be desirable.
  • the shape of the portal unit 10 may be round, rectangular, square, triangular or any other desirable shape.
  • the frame 11 may be secured to a mounting surface by adhesives, bolts or the like as described above. Once the frame 11 is secured to the mounting surface, material such as concrete, tar seal, asphalt or the like may be spread around frame 11 so that the road surface is substantially aligned with the upper edges 27 of the side walls 14 of the frame 11. When a road is to be resealed, the frame 11 may be lifted by removing the bolts and/or dissolving the adhesive which fastens the frame 11 to the mounting surface. The frame 11 may then be simply lifted or jemmied to a desired height (such as the height represented diagrammatically by lines 29 in Figure 4B). Jams and/or thin pieces of steel may then be fastened under the base plate 13 to retain the frame 11 at the desired height. The frame 11 may be lifted by jacks 24 which engage with jacking points 23 to lift the frame 11 from the mounting surface.
  • material such as concrete, tar seal, asphalt or the like may be spread around frame 11 so that the road surface is substantially aligned with the upper edges 27 of the
  • the frame 11 may be lifted substantially without disturbance to the surrounding material, and therefore without disturbance the existing surface 28 adjacent to the frame 11. Such disturbance would normally involve grinding down the road surface to expose the base plate 13 before raising the height of the frame 11.
  • a portal 10 and/or a frame 11 of the present invention simplifies the cost and time involved in raising or replacing a portal 10. The difficulty associated with removing or grinding down the road surface around the portal 10 may be avoided.
  • the invention may also be provided as a kit of parts including at least the frame 11.
  • the kit of parts for the portal 10 may be provided with a cover 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

L'invention concerne un portique utilitaire qui comprend : un châssis comprenant une plaque de base et au moins un côté qui s'étend sensiblement orthogonalement depuis un ou plusieurs bords périphériques extérieurs de la plaque de base ; un couvercle pouvant venir en prise avec le châssis, lequel peut, lors de l'utilisation, être surélevé d'une première position située sensiblement sous un nouveau plan de surface à une seconde position de façon à s'aligner sur le nouveau plan de surface sans perturber sensiblement la surface existante adjacente au châssis.
PCT/NZ2004/000127 2003-06-18 2004-06-18 Portique utilitaire Ceased WO2004111352A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/561,086 US20070039248A1 (en) 2003-06-18 2004-06-18 Utility portal
EP04748822A EP1641982A4 (fr) 2003-06-18 2004-06-18 Portique utilitaire
AU2004248079A AU2004248079B2 (en) 2003-06-18 2004-06-18 A utility portal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ526572 2003-06-18
NZ526572A NZ526572A (en) 2003-06-18 2003-06-18 A utility portal

Publications (1)

Publication Number Publication Date
WO2004111352A1 true WO2004111352A1 (fr) 2004-12-23

Family

ID=33550525

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2004/000127 Ceased WO2004111352A1 (fr) 2003-06-18 2004-06-18 Portique utilitaire

Country Status (5)

Country Link
US (1) US20070039248A1 (fr)
EP (1) EP1641982A4 (fr)
AU (1) AU2004248079B2 (fr)
NZ (1) NZ526572A (fr)
WO (1) WO2004111352A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060169868A1 (en) * 2005-01-31 2006-08-03 Precast Concepts, Llc Precast concrete meter pit and method and apparatus for making same
NZ590938A (en) 2011-02-04 2013-08-30 Opus Internat Consultants Ltd Improvements to adjustable supports for access hatch frames
DE102018120623A1 (de) 2018-08-23 2020-02-27 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Rahmensystem und Schachtabdeckung

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GB1496899A (en) * 1975-12-12 1978-01-05 Selflock Ltd Inspection covers
FR2716473A1 (fr) * 1994-02-22 1995-08-25 Barat Sa Trappe pivotante pour ouvrage du génie civil.
US5944442A (en) * 1996-05-13 1999-08-31 Anjowa, Inc. Manhole extender ring system and method of use
WO2000068517A1 (fr) * 1999-05-05 2000-11-16 Saint-Gobain Pam Dispositif de voirie et element de recouvrement pour un tel dispositif
EP1067424A1 (fr) * 1999-02-01 2001-01-10 Seiko Epson Corporation Dispositif d'affichage, dispositif electronique et guide lumineux
EP1098049A1 (fr) * 1999-11-05 2001-05-09 Sanitrap Technic Trappe de visite à étanchéité renforcée pour une paroi ou pour le sol
US20030081999A1 (en) * 2001-09-28 2003-05-01 Godfrey Steven A. Hydraulically adjustable manhole ring

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US3968600A (en) * 1972-09-05 1976-07-13 National Utility Products Company Adjustable manhole cover support structure
SE372303B (fr) * 1974-03-19 1974-12-16 G Axgaerde
GB2128231B (en) * 1982-10-02 1986-01-22 Wade International Access hatch assemblies
US5054956A (en) * 1990-05-01 1991-10-08 Huang Cheng Chih Conduit hole cover
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DE50013729D1 (de) * 1999-02-24 2006-12-28 Gottfried Schwarz Vorrichtung zum Abdecken von Schächten
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496899A (en) * 1975-12-12 1978-01-05 Selflock Ltd Inspection covers
FR2716473A1 (fr) * 1994-02-22 1995-08-25 Barat Sa Trappe pivotante pour ouvrage du génie civil.
US5944442A (en) * 1996-05-13 1999-08-31 Anjowa, Inc. Manhole extender ring system and method of use
EP1067424A1 (fr) * 1999-02-01 2001-01-10 Seiko Epson Corporation Dispositif d'affichage, dispositif electronique et guide lumineux
WO2000068517A1 (fr) * 1999-05-05 2000-11-16 Saint-Gobain Pam Dispositif de voirie et element de recouvrement pour un tel dispositif
EP1098049A1 (fr) * 1999-11-05 2001-05-09 Sanitrap Technic Trappe de visite à étanchéité renforcée pour une paroi ou pour le sol
US20030081999A1 (en) * 2001-09-28 2003-05-01 Godfrey Steven A. Hydraulically adjustable manhole ring

Non-Patent Citations (1)

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Title
See also references of EP1641982A4 *

Also Published As

Publication number Publication date
US20070039248A1 (en) 2007-02-22
EP1641982A1 (fr) 2006-04-05
AU2004248079A1 (en) 2004-12-23
EP1641982A4 (fr) 2008-03-05
NZ526572A (en) 2006-12-22
AU2004248079B2 (en) 2009-09-17

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