EP3084101B1 - Walkways - Google Patents

Walkways Download PDF

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Publication number
EP3084101B1
EP3084101B1 EP14812806.9A EP14812806A EP3084101B1 EP 3084101 B1 EP3084101 B1 EP 3084101B1 EP 14812806 A EP14812806 A EP 14812806A EP 3084101 B1 EP3084101 B1 EP 3084101B1
Authority
EP
European Patent Office
Prior art keywords
anchorage
walkway
along
tube
restraint system
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.)
Active
Application number
EP14812806.9A
Other languages
German (de)
French (fr)
Other versions
EP3084101A1 (en
Inventor
John P EVANS
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.)
Melvyn Rowberry Specialist Services Ltd
Original Assignee
Melvyn Rowberry Specialist Services 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
Application filed by Melvyn Rowberry Specialist Services Ltd filed Critical Melvyn Rowberry Specialist Services Ltd
Priority to EP20186432.9A priority Critical patent/EP3757314A1/en
Publication of EP3084101A1 publication Critical patent/EP3084101A1/en
Application granted granted Critical
Publication of EP3084101B1 publication Critical patent/EP3084101B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/001—Safety or protective measures against falling down relating to scaffoldings
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0062—Rail-form lifelines for permanent installation
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/12—Devices or arrangements allowing walking on the roof or in the gutter
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D15/00—Apparatus or tools for roof working
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3214—Means for working on roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3276—Arrangements on buildings for connecting safety-lines
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3295—Guide tracks for safety lines
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/14—Railings
    • E04G5/145—Toe boards therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/28—Clips or connections for securing boards
    • E04G2007/285—Clips or connections for securing boards specially adapted for toe boards

Definitions

  • This invention relates to walkways for installation on roofs, and to a combination of such a walkway with a fall restraint system.
  • One option is to provide a physical barrier at the edge of the roof. Whilst this is relatively simple, it can be unsightly, bulky and costly to install.
  • a line-based fall restraint system such as the MANSAFE (RTM) system provided by Latchways plc of Wiltshire, United Kingdom.
  • RTM MANSAFE
  • FR 2 501 267 A1 discloses a walkway for installation on a roof.
  • a fall restraint system can be attached directly to the walkway, thus doing away with the need to provide a separate fall restraint system; only a single apparatus need be purchased and attached to a roof, with a single set of mountings.
  • the toe guard can efficiently serve two purposes, as a toe guard and as a location for the anchorage.
  • the anchorage may be received in the tube through the slot, so that a captive part of the anchorage is held captive within the tube, but typically will be able to slide within the tube along the slot.
  • the tube will be rectangular, and preferably square, in cross section.
  • the captive part of the anchorage may comprise a carriage having at least one, and preferably a plurality, typically two, wheels depending therefrom. This will enable the anchorage to traverse corners in either direction.
  • the anchorage may also comprise a mounting point for the fall restraint system; this may comprise a hitch onto which a line can be connected.
  • the toe guard may extend around two edges of the tread, being an elongate edge along the first direction and a short edge at the transition into the second direction.
  • a combination comprising the walkway of the first aspect of the invention and a fall restraint system coupled to the anchorage.
  • the fall restraint system may comprise a flexible line attached to the anchorage, typically at the mounting point or hitch. This line would typically be coupled to a user, potentially via a lanyard.
  • the fall restraint system may also comprise a fall arrest system, which is arranged to gradually dissipate the kinetic energy of a falling user.
  • the accompanying drawings show a walkway 1 that can be installed on a roof, where it is desired to reduce the likelihood of a user of the walkway falling and injuring themselves.
  • the walkway 1 comprises a tread 2, which comprises a plurality of metal (typically extruded aluminium) slats 3 held between a pair of toe guards 4, 5, again typically formed of extruded aluminium.
  • the toe guards 4, 5 run along each lateral edge along the length 6 of the walkway and each engage the slats through a socket portion 9, 10. They each provide an upstanding portion 7, 8 at the edge of the tread 2, which provides an edge to alert a user that they are approaching the edge of the walkway 1.
  • the upstanding portion 7 is provided by a tubular box section 11. This has a slot 12 therein, extending along the length 6.
  • a sliding anchorage 13 is provided that is held captive within the box section 11, so that a carriage portion 14 is received within the tube, but a mounting portion 15 extends out of the slot.
  • a flexible line (not shown) can then be attached to the mounting portion 15 (of the form of a hitch or bolt or similar) in order to be attached to the user as a fall restraint or fall arrest system.
  • the carriage portion 14 is U-shaped as shown in Figure 4 of the accompanying drawings and carries four wheels 16; two above the slot 12 and two below, with a pair of wheels 16 on each arm of the U-shape.
  • the sliding anchorage 12 can slide along the length 6 of the first toe guard 4 as a user walks to and fro along the walkway 1.
  • the location of the sliding anchorage is provided within the first toe guard 4, thus providing an integrally formed walkway and fall restraint system whilst making efficient use of the first toe guard 4.
  • less material is used and fewer products need to be bought in order to provide a safe walkway on a roof. Only the mountings required to mount the walkway to the roof are required; there is no need for a separate set of mountings for the fall restraint system.
  • first toe guard 4 can extend around a front side 20 of the walkway 1 at right angles to the length 6. Assuming that the toe guard 4 is adequately curved, the carriage and wheels arrangement of the sliding anchorage 12 described above will have no trouble in negotiating such a curve, or the curve in the opposite direction shown in order to move onto further segment 19. Thus, there is no need for the user to have to unclip and reclip themselves when the walkway changes direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Road Paving Structures (AREA)
  • Escalators And Moving Walkways (AREA)

Description

  • This invention relates to walkways for installation on roofs, and to a combination of such a walkway with a fall restraint system.
  • It is known to provide walkways on roofs of commercial buildings in particular. However, in order to prevent the users of such walkways - typically maintenance operatives maintaining roof-mounted equipment, rainwater drainage systems and the like - from falling from the roof, it is generally desired to provide some means for ameliorating the risk of falls.
  • One option is to provide a physical barrier at the edge of the roof. Whilst this is relatively simple, it can be unsightly, bulky and costly to install.
  • Another option is to provide a line-based fall restraint system, such as the MANSAFE (RTM) system provided by Latchways plc of Wiltshire, United Kingdom. This requires the installation of some sort of sliding anchorage for a line for a user, and is separately purchased and installed on the roof, potentially requiring a further set of mountings on the roof to those for the walkway, hence presenting more opportunity for the integrity of the roof to be violated, with the potential for water ingress or cold bridging.
  • FR 2 501 267 A1 discloses a walkway for installation on a roof.
  • According to the invention, we provide a walkway according to claim 1.
  • As such, by having the anchorage for the fall restraint system incorporated in the walkway, it is no longer necessary to provide a separate anchorage for such a system, and so it is only necessary to fix a single system to the roof.
  • By providing the anchorage with a location in the toe guard, a fall restraint system can be attached directly to the walkway, thus doing away with the need to provide a separate fall restraint system; only a single apparatus need be purchased and attached to a roof, with a single set of mountings. Furthermore, the toe guard can efficiently serve two purposes, as a toe guard and as a location for the anchorage.
  • The anchorage may be received in the tube through the slot, so that a captive part of the anchorage is held captive within the tube, but typically will be able to slide within the tube along the slot. Typically, the tube will be rectangular, and preferably square, in cross section.
  • The captive part of the anchorage may comprise a carriage having at least one, and preferably a plurality, typically two, wheels depending therefrom. This will enable the anchorage to traverse corners in either direction. The anchorage may also comprise a mounting point for the fall restraint system; this may comprise a hitch onto which a line can be connected.
  • Where the first and second directions are, as they typically are for changes in direction for walkways, at right angles to each other, then the toe guard may extend around two edges of the tread, being an elongate edge along the first direction and a short edge at the transition into the second direction.
  • According to a second aspect of the invention, there is provided a combination comprising the walkway of the first aspect of the invention and a fall restraint system coupled to the anchorage.
  • The fall restraint system may comprise a flexible line attached to the anchorage, typically at the mounting point or hitch. This line would typically be coupled to a user, potentially via a lanyard. The fall restraint system may also comprise a fall arrest system, which is arranged to gradually dissipate the kinetic energy of a falling user.
  • According to a third aspect of the invention, there is provided a walkway according to claim 5.
  • There now follows, by way of example only, description of an embodiment of the invention described with reference to the accompanying drawings, in which:
    • Figure 1 shows a transverse cross section through a walkway in accordance with an embodiment of the invention;
    • Figure 2 shows a plan view of the walkway of Figure 1;
    • Figure 3 shows a longitudinal cross section through the walkway of Figure 1;
    • Figure 4 shows a side elevation of the sliding anchorage of the walkway of Figure 1; and
    • Figure 5 shows an end elevation of the sliding anchorage of Figure 4.
  • The accompanying drawings show a walkway 1 that can be installed on a roof, where it is desired to reduce the likelihood of a user of the walkway falling and injuring themselves. The walkway 1 comprises a tread 2, which comprises a plurality of metal (typically extruded aluminium) slats 3 held between a pair of toe guards 4, 5, again typically formed of extruded aluminium. The toe guards 4, 5 run along each lateral edge along the length 6 of the walkway and each engage the slats through a socket portion 9, 10. They each provide an upstanding portion 7, 8 at the edge of the tread 2, which provides an edge to alert a user that they are approaching the edge of the walkway 1.
  • For a first one of the toe guards 4, the upstanding portion 7 is provided by a tubular box section 11. This has a slot 12 therein, extending along the length 6. A sliding anchorage 13 is provided that is held captive within the box section 11, so that a carriage portion 14 is received within the tube, but a mounting portion 15 extends out of the slot. A flexible line (not shown) can then be attached to the mounting portion 15 (of the form of a hitch or bolt or similar) in order to be attached to the user as a fall restraint or fall arrest system.
  • The carriage portion 14 is U-shaped as shown in Figure 4 of the accompanying drawings and carries four wheels 16; two above the slot 12 and two below, with a pair of wheels 16 on each arm of the U-shape. Thus, whether the loading on the anchorage is to either side of the slot, or forwards or backwards along the length 6, at least one of the wheels will be able to roll along the inner surface of the box section 11.
  • Accordingly, the sliding anchorage 12 can slide along the length 6 of the first toe guard 4 as a user walks to and fro along the walkway 1. The location of the sliding anchorage is provided within the first toe guard 4, thus providing an integrally formed walkway and fall restraint system whilst making efficient use of the first toe guard 4. Thus, less material is used and fewer products need to be bought in order to provide a safe walkway on a roof. Only the mountings required to mount the walkway to the roof are required; there is no need for a separate set of mountings for the fall restraint system.
  • It can be seen from Figure 2 of the accompanying drawings that the first toe guard 4 can extend around a front side 20 of the walkway 1 at right angles to the length 6. Assuming that the toe guard 4 is adequately curved, the carriage and wheels arrangement of the sliding anchorage 12 described above will have no trouble in negotiating such a curve, or the curve in the opposite direction shown in order to move onto further segment 19. Thus, there is no need for the user to have to unclip and reclip themselves when the walkway changes direction.

Claims (7)

  1. A walkway (1) for installation on a roof, comprising a tread (2) for a user to walk upon, the tread (2) being bounded along an elongate side by a toe guard (4, 5) having an elongate extent, and an anchorage (13) for a fall restraint system, in which the anchorage is a sliding anchorage (13), being able to slide along the extent of the toe guard (4 ,5) and in which the toe guard (4, 5) comprises an elongate tube (11) coupled to the tread (2), the tube (11) having a slot (12) along the length of the toe guard (4, 5) providing a location for the sliding anchorage (13), wherein the tread (2) is substantially elongate along a first direction between first and second points, and then elongate along a second direction different to the first direction between second and third points, and wherein the toe guard (4, 5) curves at the second point between running in the first and second directions.
  2. The walkway of claim 1, in which the sliding anchorage (13) is received in the tube (11) through the slot (12), so that a captive part (14) of the sliding anchorage (13) is held captive within the tube (11), but will be able to slide within the tube (11) along the slot (12).
  3. The walkway of claim 2, in which the captive part (14) of the sliding anchorage (13) comprises a carriage having at least one wheel (16) depending therefrom.
  4. The walkway of any preceding claim in which the anchorage comprises a mounting point (15) for the fall restraint system.
  5. The walkway of any preceding claim, installed on a roof.
  6. A combination comprising the walkway (1) of any preceding claim and a fall restraint system coupled to the anchorage (13).
  7. The combination of claim 6, in which the fall restraint system comprises a flexible line attached to the anchorage.
EP14812806.9A 2013-12-20 2014-12-12 Walkways Active EP3084101B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20186432.9A EP3757314A1 (en) 2013-12-20 2014-12-12 Walkways

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1322790.5A GB2521605A (en) 2013-12-20 2013-12-20 Walkways
PCT/GB2014/053681 WO2015092370A1 (en) 2013-12-20 2014-12-12 Walkways

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20186432.9A Division EP3757314A1 (en) 2013-12-20 2014-12-12 Walkways
EP20186432.9A Division-Into EP3757314A1 (en) 2013-12-20 2014-12-12 Walkways

Publications (2)

Publication Number Publication Date
EP3084101A1 EP3084101A1 (en) 2016-10-26
EP3084101B1 true EP3084101B1 (en) 2021-01-27

Family

ID=50071317

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14812806.9A Active EP3084101B1 (en) 2013-12-20 2014-12-12 Walkways
EP20186432.9A Pending EP3757314A1 (en) 2013-12-20 2014-12-12 Walkways

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20186432.9A Pending EP3757314A1 (en) 2013-12-20 2014-12-12 Walkways

Country Status (3)

Country Link
EP (2) EP3084101B1 (en)
GB (1) GB2521605A (en)
WO (1) WO2015092370A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112962994A (en) * 2021-02-04 2021-06-15 中建新疆建工集团第五建筑工程有限公司 Edge opening protection device and protection method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29805260U1 (en) * 1998-03-24 1998-08-06 Lueck Wilhelm Roof accessories

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501267A1 (en) * 1981-03-03 1982-09-10 Entrepose Load platform for scaffolding - comprises panels with longitudinal edges held together by co-operating fastenings
JPS6412855U (en) * 1987-07-14 1989-01-23
GB8918508D0 (en) * 1989-08-14 1989-09-20 West Nigel P Apparatus for use in fitting roofing sheets
US6520290B1 (en) * 2000-04-17 2003-02-18 Charles L. Carter Fall protection method and apparatus
GB2373537B (en) * 2001-03-22 2005-09-07 Hadrian Iye Improved fall-arrest system for persons working at height
WO2010009272A2 (en) * 2008-07-15 2010-01-21 Convenient Safety Systems, Inc. Sloped roof safety system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29805260U1 (en) * 1998-03-24 1998-08-06 Lueck Wilhelm Roof accessories

Also Published As

Publication number Publication date
GB2521605A (en) 2015-07-01
EP3757314A1 (en) 2020-12-30
GB201322790D0 (en) 2014-02-05
EP3084101A1 (en) 2016-10-26
WO2015092370A1 (en) 2015-06-25

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