NL2009539C2 - System for fall protection or fall prevention and method for providing such a system. - Google Patents

System for fall protection or fall prevention and method for providing such a system. Download PDF

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Publication number
NL2009539C2
NL2009539C2 NL2009539A NL2009539A NL2009539C2 NL 2009539 C2 NL2009539 C2 NL 2009539C2 NL 2009539 A NL2009539 A NL 2009539A NL 2009539 A NL2009539 A NL 2009539A NL 2009539 C2 NL2009539 C2 NL 2009539C2
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NL
Netherlands
Prior art keywords
distance
minus
weights
roof
meters
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Application number
NL2009539A
Other languages
Dutch (nl)
Inventor
Cornelis Franciscus Besters
Original Assignee
Prosara Systeem B V
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Publication date
Application filed by Prosara Systeem B V filed Critical Prosara Systeem B V
Priority to NL2009539A priority Critical patent/NL2009539C2/en
Priority to EP13186102.3A priority patent/EP2712982A1/en
Application granted granted Critical
Publication of NL2009539C2 publication Critical patent/NL2009539C2/en

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Classifications

    • 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
    • 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
    • E04G21/3223—Means supported by building floors or flat roofs, e.g. safety railings
    • E04G21/3233—Means supported by building floors or flat roofs, e.g. safety railings without permanent provision in the floor or roof
    • E04G21/3238—Means supported by building floors or flat roofs, e.g. safety railings without permanent provision in the floor or roof using counterweights
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

A system for preventing a person to fall from a roof of a building onto a lower situated surface, said system comprising a securing system which extends on said roof substantially parallel to and at a distance from an edge of said roof, to which securing system a line can be secured, which line can be secured at its other end to said person, wherein said securing system comprises a multitude of weights which are arranged on said roof in a linear array parallel to and at a distance from an edge of said roof, wherein each of said weights is provided with a through hole, and wherein said securing system comprises a bar extending through each of said through holes.

Description

System for fall protection or fall prevention and method for providing such a system
The invention relates to a system for preventing a person to 5 fall from a roof of a building onto a lower situated surface, said system comprising a securing system which extends on said roof substantially parallel to and at a distance from an edge of said roof, to which securing system a line can be secured, which line can be secured at its 10 other end to said person.
A system for preventing a person to fall from a roof of a building in a way that said secured person cannot fall from said roof is known as 'fall prevention'. A system for 15 preventing a person to fall from a roof of a building in a way that said person can only fall a short distance for instance 0.85 meter from said roof is known as 'fall protection'.
20 As any other part of a building, the roof of a building needs maintenance from time to time, and systems are provided for preventing that persons carrying out said maintenance fall from said roof onto a lower situated surface. The invention in particular relates to such systems 25 for substantially flat (parts of) roofs.
'Fall prevention' systems are well known, for instance as described in European patent application EP 1818480. The line can be secured to a rail of the securing system by a 30 traveller which can travel along the rail, such that the person is able to move along the edge of the roof, without the risk of falling from the roof. In 'fall protection' systems the line can be secured to the securing system by a 2 snap hook and the user can release and re-secure the snap hook at the location where he is moving to. In said fall protection systems said line has an overlength, which means that said line can be longer than the shortest distance 5 between the securing point and the edge of the roof, this overlength is necessary to reach the edge of the roof in the middle between two neighbouring securing points.
It is a goal of the invention to provide improved systems 10 for fall prevention and fall protection, which are safe to use, which are easy to use, which are simple, which are easy to install, which offer protection during installation, which offer different protection levels, which are expected to do little harm to the roof construction and/or roof 15 characteristics and/or which can be easily reused.
According to the invention said securing system comprises a multitude of weights which are arranged on said roof in a linear array parallel to and at a distance from an edge of 20 said roof, wherein each of said weights is provided with a through hole, and wherein said securing system comprises a bar extending through each of said through holes.
GB 2 393 206 A shows a system wherein a bar in the form of a 25 rail extends through securing means, which securing means are mounted above the weights. When the system is installed on a roof the rail is fixed in said securing means by means of screws. According to the present invention however, the bars extend directly through holes in the weights, whereby 30 the need of securing means is avoided. In this respect, weights provided with securing means extending therefrom, for instance a support bracket with a clamping portion for a bar, are therefore not to be considered weights provided 3 with through holes. In the present case the weights provided with through holes can be created by leaving material of which the weight is made, away and not by adding extra materials to the weight in order to create a securing means.
5 When the system is installed on a roof, the bar only needs to be inserted in and through said through holes, and there is no need for fixing the bar to each of the weights by, for instance, clamping or screw means.
10 Preferably said weights are spaced apart at intervals in order to provide access to said bar, such that the person can secure himself to the bar, for instance with said line and a snap hook. Also said spaces provide openings for letting rain water to flow from the centre of the roof 15 towards discharge conduits or gutters at the edges of the roof. Preferably spacers are provided in said spaces, in order to fix said spaces between the weights. Preferably said intervals are less than 2 times (the square root of ((said distance from an edge of the roof plus 1.4 meter line 20 overlength) squared minus (said distance from an edge of the roof) squared)), more preferably 2 times (the square root of ((said distance from an edge of the roof plus 0.85 meter line overlength) squared minus (said distance from an edge of the roof) squared)), even more preferably 2 times (the 25 square root of ((said distance from an edge of the roof plus 0.1 meter line overlength) squared minus (said distance from an edge of the roof) squared)) when said system is to be used in case a line has overlength (fall protection).
30 Preferably said intervals are less than 2 times (the square root of ((said distance from an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.8 meter) squared)), more preferably 2 times (the 4 square root of ((said distance from an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.7 meter) squared)), even more preferably, 2 times (the square root of ((said distance from 5 an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.65 meter) squared)), when said system is to be used in case a line has no overlength (fall prevention).
10 Alternatively said intervals are preferably less than 9 meter, more preferably less than 6.5 meter, even more preferably less than 4.5 meter when said system is to be used in case a line has overlength (fall protection), or preferably said intervals are less than 3 meter, more 15 preferably less than 2 meter, even more preferably less than 1 meter when said system is to be used in case a line has no overlength (fall prevention).
In a further preferred embodiment a rail extends above said 20 weights, said rail being connected to said bar, to which rail said line can be secured, for instance by means of a traveller .
Preferably said weights are comprised of bricks. Preferably 25 said weights are block shaped. Preferably said weights extend in a lateral orientation relative to the bar. Preferably said weights have a mass of between 15 kg and 35 kg per meter, more preferably approximately 25 kg per meter of said securing system.
In a further embodiment of the invention each of said weights in said securing system has at least two, preferably three of said through holes, said weights extending in a 30 5 staggered relation in two partially overlapping arrays, and wherein said securing system comprises two of said bars extending in parallel relation through said through holes, such that at least one of said bars extends outside one 5 array of weights such that said bar is accessible at that location from the side of the securing system.
Preferably said system further comprises at least a ballast unit connected to said securing system, said ballast unit 10 comprising a multitude of said weights, each of said weights having at least two, preferably three of said through holes, said weights extending in a staggered relation in a multitude of partially overlapping arrays, and a multitude of bars extending in parallel relation through said through 15 holes of each of said arrays, such that all of said weights are interconnected by said bars, thereby forming a mat. Preferably said mat has a mass of at least 100 kg, more preferably at least 130 kg, even more preferably approximately 150 kg. Together with the outer end of said 20 securing system to which the mat is connected, the required weight of approximately 300 kg is obtained.
The invention also relates to a method for providing a system for preventing a person to fall from a roof of a 25 building onto a lower situated surface, said method comprising the following sequence of steps: said weights are laid in an array on said roof such that said through holes are being aligned with each other, wherein at least at intervals spaces are left between said weights; and sliding 30 a bar through said aligned through holes of said weights.
The invention will be illustrated by means of preferred embodiments as shown in the drawings, wherein: 6
Figure 1 is a perspective view of a first preferred embodiment of the system of the invention; 5 Figure 2 is a perspective view of a detail of the system of figure 1;
Figure 3 is a perspective view of a second preferred embodiment of the system of the invention; 10
Figure 4 is a perspective view of a detail of the system of figure 3;
Figure 5 is a perspective view of a weight as used in the 15 system of the invention;
Figure 6 is a perspective view of weights and bars and a bar connector piece as used in the system of the invention; 20 Figure 7 is a perspective view of various other preferred embodiments of the system of the invention;
Figure 8 is a perspective view of the system of figure 1 with an end ballast mat.
25
According to figures 1, 2, 5 and 6 a system for preventing a person 1 to fall from a flat roof 2 of a building onto a lower situated surface comprises a securing system which substantially exists of weights in the form of bricks 3, 30 bars 4, and a line 5 to which the person 1 is secured. The end of the line may be secured to a bar 4 by means of a snap hook (not shown). The bars 4 are mutually fixed by connectors 6, 12.
7
The bricks 3 are made of concrete and are each provided with three parallel through holes 31, 32, 33. The bars 4 may be made of metal, may be hollow pipes, and have a diameter 5 which is slightly smaller than said through holes 31, 32, 33 such that they can extend therein.
The securing system is provided on the roof 2 by laying, over the length of one bar, bricks 3 in a straight array 10 such that the through holes 32 are aligned. Generally the bricks 3 are placed against each other, but at regular intervals, for instance every meter, a small space of for instance 10 cm is left between two bricks 3, in order to allow access to the bar 4. A bar 4 is inserted in the 15 aligned through holes, while providing tubes, acting as spacers 13 with a length equal to said spaces, around the bar in every space.
A connector 12 is inserted in the outer end of the bar 4.
20 This process is repeated for a next bar 4 of the securing system, wherein the first outer end of said next bar 4 is mounted over the connector 12 of the previous bar 4 after it is inserted in the array of bricks 3. In the corner the two neighbouring bars 4 are connected to each other, which may 25 be achieved in any suitable manner (here schematically shown by a bent piece of bar 4).
As shown in figure 6, the connector 12 between two neighbouring straight bars 4 in principle only needs to fix 30 the bars relative to each other in lateral direction, and may be a small pipe with a stop in its centre. In the corner the bar needs to be fixed securely against the ends of its neighbouring bars 4 by connectors 6, and at approximately 6 8 meters form the corner another connector 6 is mounted on both bars in order to lock the bricks 3 between said connectors 6, such that the required corner weight (approximately 300 kg) is secured.
5
Figures 3 and 4 show substantially the same system, only in this embodiment the securing system is provided with a rail comprised of rail elements 7 which are mounted parallel to and on top of the bars 4 by means of vertical mounting pins 10 8 and mounting elements 10. A traveller 9, to which the line 5 can be secured, is mounted on the rail such that it can run along the rail.
Figure 7 show various different embodiments of the securing 15 system, wherein two parallel bars 4 are inserted in the aligned through holes 31, 32, 33 of the array of bricks 3. The bricks may be arranged in a laterally staggered or shifted relation relative to each other, such that one bar 4 extends in front of part of the bricks 3, seen from aside, 20 such that the line 5 can be secured thereto. In these embodiments through holes 31, 32, 33 may be aligned with each other, i.e. through hole 31 of one brick 3 with through hole 33 of the next brick 3.
25 Figure 8 shows an embodiment wherein at the end of the securing system a mat 11 of bricks 3 and bars 4 is provided as ballast with sufficient weight, wherein the bricks are arranged in a staggered relation in two dimensions such that the bars 4 interconnect all of said bricks 3. Therefore, 30 also in the mat 11 through hole 31 of one brick 3 is aligned with through hole 33 of the next brick 3.
9
The invention has thus been described by means of preferred embodiments. It is to be understood, however, that this disclosure is merely illustrative. Various details of the structure and function were presented, but changes made 5 therein, to the full extent extended by the general meaning of the terms in which the appended claims are expressed, are understood to be within the principle of the present invention. The following patent clauses correspond to the claims ("conclusies" in Dutch) as filed as a Netherlands 10 patent application. These patent clauses may differ from the claims as granted thereon as a Netherlands patent or any divisional Netherlands patent application based on the said application, from claims filed in a Deed of Limitation pursuant to Article 63 of the Patent Act 1995 of The 15 Netherlands, or from claims as filed or granted in any corresponding patent application or utility model application abroad. In any case these patent clauses describe preferred embodiments of a claimed invention. The description and drawings shall be used to interpret these 20 patent clauses and the claims. These patent clauses and the claims should not be interpreted as meaning that the extent of the protection sought is to be understood as that defined by the strict, literal meaning of the wording used in these clauses or the claims, the description and drawings being 25 employed only for the purpose of resolving an ambiguity found in these patent clauses or the claims. For the purpose of determining the extent of protection sought by these patent clauses or the claims, due account shall be taken of any element which is equivalent to an element specified 30 therein.
What is claimed as an invention is described in the following patent clauses: 10 1. A system for preventing a person to fall from a roof of a building onto a lower situated surface, said system comprising a securing system which extends on said roof 5 substantially parallel to and at a distance from an edge of said roof, to which securing system a line can be secured, which line can be secured at its other end to said person, wherein said securing system comprises a multitude of weights which are arranged on said roof in a linear array 10 parallel to and at a distance from an edge of said roof, wherein each of said weights is provided with a through hole, and wherein said securing system comprises a bar extending through each of said through holes.
15 2. The system in accordance with clause 1, wherein said weights are spaced apart at intervals in order to provide access to said bar.
3. The system in accordance with clause 2, wherein said 20 intervals are less than 2 times (the square root of ((said distance from an edge of the roof plus 1.4 meter) squared minus (said distance from an edge of the roof) squared)), more preferably 2 times (the square root of ((said distance from an edge of the roof plus 0.85 meter) squared minus 25 (said distance from an edge of the roof) squared)), even more preferably 2 times (the square root of ((said distance from an edge of the roof plus 0.1 meter) squared minus (said distance from an edge of the roof) squared)), or less than 2 times (the square root of ((said distance from an edge of 30 the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.8 meter) squared)), more preferably, 2 times (the square root of ((said distance from an edge of the roof minus 0.5 meter) squared minus (said 11 distance from an edge of the roof minus 0.7 meter) squared)), even more preferably 2 times (the square root of ((said distance from an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 5 0.65 meter) squared)).
4. The system in accordance with clause 2 or 3, wherein said intervals are less than 9 meter, preferably less than 6.5 meter, more preferably less than 4.5 meter, or less than 10 3 meter, preferably less than 2 meter, more preferably less than 1 meter.
5. The system in accordance with any of the previous clauses, wherein a rail extends above said weights, said 15 rail being connected to said bar, to which rail said line can be secured.
6. The system in accordance with any of the previous clauses, wherein said weights are comprised of bricks.
20 7. The system in accordance with any one of the previous clauses, wherein said weights are block shaped.
8. The system in accordance with any one of the previous 25 clauses, wherein said weights extend in a lateral orientation relative to the bar.
9. The system in accordance with any one of the previous clauses, wherein said weights in said securing system have a 30 mass of between 15 kg and 35 kg per meter, preferably approximately 25 kg per meter of said securing system.
12 10. The system in accordance with any one of the previous clauses, wherein each of said weights in said securing system has at least two, preferably three of said through holes, said weights extending in a staggered relation in two 5 partially overlapping arrays, and wherein said securing system comprises two of said bars extending in parallel relation through said through holes, such that at least one of said bars extends outside one array of weights such that said bar is accessible at that location from the side of the 10 securing system.
11. The system in accordance with any one of the previous clauses, wherein said system further comprises at least a ballast unit connected to said securing system, said ballast 15 unit comprising a multitude of said weights, each of said weights having at least two, preferably three of said through holes, said weights extending in a staggered relation in a multitude of partially overlapping arrays, and a multitude of bars extending in parallel relation through 20 said through holes of each of said arrays, such that all of said weights are interconnected by said bars, thereby forming a mat.
12. The system in accordance with clause 11, wherein said 25 mat has a mass of at least 100 kg, preferably at least 130 kg, more preferably approximately 150 kg.
13. A method for providing a system for preventing a person to fall from a roof of a building onto a lower situated 30 surface, said system comprising a securing system which extends on said roof substantially parallel to and at a distance from an edge of said roof, to which securing system a line can be secured, which line can be secured at its 13 other end to said person, wherein said securing system comprises a multitude of weights which are arranged on said roof in a linear array parallel to and at a distance from an edge of said roof, wherein each of said weights is provided 5 with a through hole, and wherein said securing system comprises a bar extending through each of said through holes, said method comprising the following sequence of steps : said weights are laid in an array on said roof such 10 that said through holes are being aligned with each other, wherein at least at intervals spaces are left between said weights; and inserting a bar through said aligned through holes of said weights.
15 14. The method in accordance with clause 13, wherein said intervals are less than 2 times (the square root of ((said distance from an edge of the roof plus 1.4 meter) squared minus (said distance from an edge of the roof) squared)), 20 more preferably 2 times (the square root of ((said distance from an edge of the roof plus 0.85 meter) squared minus (said distance from an edge of the roof) squared)), even more preferably 2 times (the square root of ((said distance from an edge of the roof plus 0.1 meter) squared minus (said 25 distance from an edge of the roof) squared)), or less than 2 times (the square root of ((said distance from an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.8 meter) squared)), more preferably, 2 times (the square root of ((said distance from 30 an edge of the roof minus 0.5 meter) squared minus (said distance from an edge of the roof minus 0.7 meter) squared)), even more preferably 2 times (the square root of ((said distance from an edge of the roof minus 0.5 meter) 14 squared minus (said distance from an edge of the roof minus 0.65 meter) squared)).
15. The method in accordance with clause 13 or 14, wherein 5 said intervals are less than 9 meter, preferably less than 6.5 meter, more preferably less than 4.5 meter, or less than 3 meter, preferably less than 2 meter, more preferably less than 1 meter.
10

Claims (15)

1. Een systeem om te voorkomen dat een persoon van het dak van een gebouw valt op een lager gelegen oppervlak, waarbij 5 het systeem een bevestigingssysteem omvat dat zich op het dak in hoofdzaak evenwijdig aan en op afstand van een rand van het dak uitstrekt, aan welk bevestigingssysteem een lijn kan worden bevestigd, welke lijn aan zijn andere uiteinde kan worden bevestigd aan de persoon, waarbij het 10 bevestigingssysteem een veelheid gewichten omvat die op het dak zijn aangebracht in een lineaire rij evenwijdig aan en op afstand van een rand van het dak, waarbij elk van de gewichten is voorzien van een doorgaand gat, en waarbij het bevestigingssysteem een stang omvat die zich door elk van de 15 genoemde doorgaande gaten uitstrekt.1. A system for preventing a person from falling off the roof of a building onto a lower surface, the system comprising a fastening system which extends on the roof substantially parallel to and at a distance from an edge of the roof, to which fastening system a line can be attached, which line at its other end can be fastened to the person, the fastening system comprising a plurality of weights arranged on the roof in a linear row parallel to and spaced from an edge of the roof, wherein each of the weights is provided with a through hole, and wherein the fixing system comprises a rod extending through each of said through holes. 2. Het systeem volgens conclusie 1, waarbij de gewichten op intervallen een onderlinge afstand vertonen teneinde toegang te verschaffen tot de stang. 20The system of claim 1, wherein the weights at intervals are spaced apart to provide access to the bar. 20 3. Het systeem volgens conclusie 2, waarbij de intervallen minder zijn dan 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 1,4 meter) in het kwadraat minus (genoemde afstand tot de dakrand)in het kwadraat)), bij 25 voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 0,85 meter) in het kwadraat minus (genoemde afstand tot de dakrand) in het kwadraat)), meer bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 0,1 meter) in het kwadraat minus 30 (genoemde afstand tot de dakrand)in het kwadraat)), of minder dan 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand minus 0,5 meter) in het kwadraat minus (genoemde afstand tot de dakrand minus 0,8 meter) in het kwadraat)), bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand minus 0,5 meter) in het kwadraat minus (genoemde afstand tot de dakrand minus 0,7 meter) in het kwadraat)) meer bij voorkeur 2 maal (de 5 vierkantswortel uit ((genoemde afstand tot de dakrand minus 0,5 meter) in het kwadraat minus (genoemde afstand tot de dakrand minus 0,65 meter) in het kwadraat)).The system according to claim 2, wherein the intervals are less than 2 times (the square root out ((said distance from the roof edge plus 1.4 meters) in the square minus (said distance from the roof edge) in the square)), preferably 2 times (the square root out ((said distance to the eaves plus 0.85 meters) in the squared minus (said distance to the eaves) in the squared)), more preferably 2 times (the square root out (( said distance to the eaves plus 0.1 meter) squared minus 30 (said distance to the eaves) squared)), or less than 2 times (the square root out ((said distance to the eaves minus 0.5 meters) ) squared minus (said distance to the eaves minus 0.8 meters) squared), preferably 2 times (the square root out ((said distance to the eaves minus 0.5 meters) into the squared minus (said distance to the eaves minus 0.7 meter) squared) more preferably 2 times (the 5 square root of onion t ((said distance to the eaves minus 0.5 meters) squared minus (said distance to the eaves minus 0.65 meters) squared)). 4. Het systeem volgens conclusie 2 of 3, waarbij de 10 intervallen minder zijn dan 9 meter, bij voorkeur minder dan 6,5 meter, meer bij voorkeur minder dan 4,5 meter, of minder dan 3 meter, bij voorkeur minder dan 2 meter, meer bij voorkeur minder dan 1 meter.The system of claim 2 or 3, wherein the 10 intervals are less than 9 meters, preferably less than 6.5 meters, more preferably less than 4.5 meters, or less than 3 meters, preferably less than 2 meters, more preferably less than 1 meter. 5. Het systeem volgens een van de voorgaande conclusies, waarbij een rail zich boven de genoemde gewichten uitstrekt, welke rail verbonden is met de genoemde stang, waarbij aan genoemde rail genoemde lijn kan worden bevestigd.The system according to any of the preceding claims, wherein a rail extends above said weights, which rail is connected to said rod, wherein said line can be attached to said rail. 6. Het systeem volgens een van de voorgaande conclusies, waarbij de gewichten bestaan uit bouwstenen.The system according to any of the preceding claims, wherein the weights consist of building blocks. 7. Het systeem volgens een van de voorgaande conclusies, waarbij de gewichten blokvormig zijn. 25The system according to any of the preceding claims, wherein the weights are block-shaped. 25 8. Het systeem volgens een van de voorgaande conclusies, waarbij de gewichten zich uitstrekken in een laterale richting ten opzichte van de stang.The system of any one of the preceding claims, wherein the weights extend in a lateral direction relative to the rod. 9. Het systeem volgens een van de voorgaande conclusies, waarbij de gewichten in het bevestigingssysteem een massa hebben tussen 15 kg en 35 kg per meter, bij voorkeur ongeveer 25 kg per meter bevestigingssysteem.The system according to any of the preceding claims, wherein the weights in the fastening system have a mass between 15 kg and 35 kg per meter, preferably about 25 kg per meter of fastening system. 10. Het systeem volgens een van de voorgaande conclusies, waarbij elk van de gewichten in het bevestigingssysteem ten minste twee, bij voorkeur drie van de genoemde doorlopende 5 gaten hebben, waarbij de gewichten zich in een versprongen relatie in twee gedeeltelijk overlappende rijen uitstrekken, en waarbij het bevestigingssysteem twee van de genoemde stangen omvat die zich onderling evenwijdig door genoemde doorgaande gaten uitstrekken, zodanig dat ten minste een van 10 de stangen zich buiten één rij gewichten uitstrekt zodanig dat de stang op die plaats toegankelijk is vanaf de zijkant van het bevestigingssysteem.10. The system according to any of the preceding claims, wherein each of the weights in the fastening system has at least two, preferably three of said through holes, the weights extending in a staggered relationship in two partially overlapping rows, and wherein the mounting system comprises two of said rods extending mutually parallel through said through holes, such that at least one of the rods extends outside one row of weights such that the rod is accessible at that location from the side of the mounting system. 11. Het systeem volgens een van de voorgaande conclusies, 15 waarbij het systeem verder ten minste een ballasteenheid omvat die is verbonden met het bevestigingssysteem, waarbij de ballasteenheid een veelheid van de gewichten omvat, waarbij elk van de gewichten ten minste twee, bij voorkeur drie van de doorgaande gaten heeft, waarbij de gewichten 20 zich in een versprongen relatie in een veelheid gedeeltelijk overlappende rijen uitstrekken, en een veelheid van stangen die zich onderling evenwijdig door de doorgaande gaten van elk van de rijen uitstrekken, zodat alle gewichten zijn verbonden door stangen, waardoor een mat wordt gevormd. 2511. The system according to any of the preceding claims, wherein the system further comprises at least one ballast unit connected to the fastening system, the ballast unit comprising a plurality of weights, each of the weights comprising at least two, preferably three of the through holes, the weights 20 extending in a staggered relationship in a plurality of partially overlapping rows, and a plurality of rods extending mutually parallel through the through holes of each of the rows, so that all weights are connected by rods , thereby forming a mat. 25 12. Het systeem volgens conclusie 11, waarbij de mat een massa heeft van ten minste 100 kg, bij voorkeur ten minste 130 kg, meer bij voorkeur ongeveer 150 kg.The system of claim 11, wherein the mat has a mass of at least 100 kg, preferably at least 130 kg, more preferably about 150 kg. 13. Een werkwijze voor het verschaffen van een systeem om te voorkomen dat een persoon van het dak van een gebouw valt op een lager gelegen oppervlak, waarbij het systeem een bevestigingssysteem omvat dat zich op het dak in hoofdzaak evenwijdig aan en op afstand van een rand van het dak uitstrekt, aan welk bevestigingssysteem een lijn kan worden bevestigd, welke lijn aan zijn andere uiteinde kan worden bevestigd aan de persoon, waarbij het bevestigingssysteem 5 een veelheid gewichten omvat die op het dak zijn aangebracht in een lineaire rij evenwijdig aan en op afstand van een rand van het dak, waarbij elk van de gewichten is voorzien van een doorgaand gat, en waarbij het bevestigingssysteem een stang omvat die zich door elk van de genoemde doorgaande 10 gaten uitstrekt, waarbij de werkwijze de volgende opeenvolgende stappen omvat: het leggen van de gewichten in een rij op het dak zodanig dat de doorlopende gaten onderling zijn uitgelijnd, waarbij ten minste op intervallen ruimte wordt gelaten 15 tussen de gewichten; en het steken van een stang door de uitgelijnde gaten van de gewichten.A method of providing a system for preventing a person from falling off the roof of a building onto a lower surface, the system comprising a fastening system located on the roof substantially parallel to and spaced from an edge extending from the roof, to which fastening system a line can be attached, which line at its other end can be fastened to the person, the fastening system 5 comprising a plurality of weights arranged on the roof in a linear row parallel to and at a distance of a roof edge, wherein each of the weights is provided with a through hole, and wherein the fastening system comprises a rod extending through each of said through holes, the method comprising the following consecutive steps: the weights in a row on the roof such that the through holes are mutually aligned, leaving room at least at intervals left between the weights; and inserting a rod through the aligned holes of the weights. 14. De werkwijze volgens conclusie 13, waarbij de 20 intervallen minder zijn dan 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 1.4 meter) in het kwadraat minus (genoemde afstand tot de dakrand)in het kwadraat)), bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 0.85 meter) in het 25 kwadraat minus (genoemde afstand tot de dakrand)in het kwadraat)), meer bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand plus 0.1 meter) in het kwadraat minus (genoemde afstand tot de dakrand) in het kwadraat)), of minder dan 2 maal (de vierkantswortel uit 30 ((genoemde afstand tot de dakrand minus 0.5 meter) in het kwadraat minus (genoemde afstand tot de dakrand minus 0.8 meter) in het kwadraat)), bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand minus 0.5 meter) in het kwadraat minus (genoemde afstand tot de dakrand minus 0.7 meter) in het kwadraat)) meer bij voorkeur 2 maal (de vierkantswortel uit ((genoemde afstand tot de dakrand minus 0.5 meter) in het kwadraat minus (genoemde 5 afstand tot de dakrand minus 0.65 meter) in het kwadraat)).The method of claim 13, wherein the 20 intervals are less than 2 times (the square root out ((said distance from the eaves plus 1.4 meters) squared minus (said distance from the eaves) in the squares)) at preferably 2 times (the square root out ((said distance from the roof edge plus 0.85 meters) in the squared minus (said distance from the roof edge) in the square)), more preferably 2 times (the square root out ((said distance up to the roof edge plus 0.1 meter) squared minus (said distance to the roof edge) squared), or less than 2 times (the square root of 30 ((said distance to the roof edge minus 0.5 meter) in the squared minus (said distance to the eaves minus 0.8 meters) squared), preferably 2 times (the square root out ((said distance to the eaves minus 0.5 meters) squared minus (said distance to the eaves minus 0.7 meters) squared )) more preferably 2 times (the square root) l off ((said distance from the eaves minus 0.5 meters) squared minus (said distance from the eaves minus 0.65 meters) squared)). 15. De werkwijze volgens conclusie 13 of 14, waarbij de intervallen minder zijn dan 9 meter, bij voorkeur minder dan 6.5 meter, meer bij voorkeur minder dan 4.5 meter, of minder 10 dan 3 meter, bij voorkeur minder dan 2 meter, meer bij voorkeur minder dan 1 meter.The method of claim 13 or 14, wherein the intervals are less than 9 meters, preferably less than 6.5 meters, more preferably less than 4.5 meters, or less than 10 meters, preferably less than 2 meters, more at preferably less than 1 meter.
NL2009539A 2012-09-28 2012-09-28 System for fall protection or fall prevention and method for providing such a system. NL2009539C2 (en)

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