JP2007169011A - Main rope holding structure in elevator installation work - Google Patents

Main rope holding structure in elevator installation work Download PDF

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JP2007169011A
JP2007169011A JP2005371051A JP2005371051A JP2007169011A JP 2007169011 A JP2007169011 A JP 2007169011A JP 2005371051 A JP2005371051 A JP 2005371051A JP 2005371051 A JP2005371051 A JP 2005371051A JP 2007169011 A JP2007169011 A JP 2007169011A
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elevator
main rope
screw body
rope support
landing
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JP4886292B2 (en
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Hirotoshi Shibata
啓稔 柴田
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Panasonic Home Elevator Co Ltd
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Panasonic Home Elevator Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent a main rope support tool from becoming a hindrance to lifting of an elevator car, by easily removing the tool after finishing elevator installation work, by easily installing the main rope support tool for supporting a main rope in a building on the elevator constructor side. <P>SOLUTION: This main rope support tool 7 has a bar material 4 arranged in an elevator landing hall 1 and extended from the elevator landing hall 1 side to a landing hall opening part communicating with an elevator hoistway, a screw body 5 arranged in the bar material 4 so that a projection quantity can be changed from the elevator hoistway side, and a sandwiching part 6 suspended from the screw body 5. The main rope support tool 7 is fixed to the landing hall opening part by sandwiching the landing hall opening part by the bar material 4 and the sandwiching part 6 by reducing the projection quantity of the screw body 5. The main rope 8 for installing a safety rope of a worker suspended in the elevator hoistway 2, is supported by the main rope support tool 7. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、エレベータ据え付け工事の際にエレベータ昇降路内において作業をする作業者の安全を確保するための技術で、より詳しくはエレベータ据え付け工事における親綱の保持構造に関するものである。   The present invention relates to a technique for ensuring the safety of an operator who works in an elevator hoistway during elevator installation work, and more particularly to a holding structure for a master rope in elevator installation work.

ロープ式など、エレベータ昇降路の頂部に建物梁などが設けられているものにおいては、エレベータ据え付け工事の際に建物梁からエレベータ昇降路内にロープを垂らし、これを安全用親綱として用いて、作業者が適宜安全索を親綱に固定し、作業の安全を図っている。   When the building beam is installed on the top of the elevator hoistway, such as a rope type, the rope is hung from the building beam into the elevator hoistway during the elevator installation work, and this is used as a safety master rope. Workers secure safety cords to the master rope as appropriate to ensure work safety.

これに対し、エレベータ昇降路の頂部にこのような建物梁がないエレベータ装置（例えば直接油圧式エレベータでは、エレベータ昇降路の底部に油圧ジャッキを据え、これによりエレベータかごを直接昇降するので、エレベータ昇降路の頂部に親綱を係合させるような建物梁はない）では、親綱を固定することが簡単ではなく、また、エレベータ昇降路内に突出するような固定部はエレベータかごの昇降の妨げになる。   In contrast, an elevator apparatus that does not have such a building beam at the top of the elevator hoistway (for example, in a direct hydraulic elevator, a hydraulic jack is installed at the bottom of the elevator hoistway, thereby raising and lowering the elevator car directly. (There is no building beam that engages the master rope at the top of the road), and it is not easy to fix the master rope, and the fixing part that protrudes into the elevator hoistway prevents the elevator car from going up and down become.

そこで、エレベータ昇降路内の梁、鉄骨などに親綱を掛けたり、作業員に取付ける安全索を掛けるなどおこなっているが、作業員の掛け忘れなどが発生するおそれがあった。   Therefore, the main rope is hung on the beam and the steel frame in the elevator hoistway, or the safety rope attached to the worker is hung, but there is a possibility that the worker forgets to hook.

また、エレベータ昇降路の天井にあらかじめ固定金具を埋め込み、この天井に生め込んだ固定金具に安全綱を取付けたフックを引掛けるようにしたものが特許文献１により知られている。   Further, Patent Document 1 discloses that a fixing bracket is embedded in a ceiling of an elevator hoistway in advance, and a hook having a safety rope attached thereto is hooked on the fixing bracket embedded in the ceiling.

ところで、一般にエレベータ装置を備えた建物においては、工事を分離するため、建物側の施工時にはエレベータ昇降路となる空間を形成するのみで、このため、エレベータ昇降路となる空間内に設置するものは、建物側の施工の際には用意されず、エレベータ施工業者側で用意する。若しくは、エレベータ施工業者側から建物施工業者側に要請することになるが、建物施工業者側に要請した場合、施工忘れが生じたりするおそれがあり、また、エレベータ施工業者側で用意する場合、わざわざ建物に親綱を支持するための部材を常設するために固定するには手間がかかるという問題があり、一方で直接油圧式エレベータでは、施工後のメンテナンス時にはエレベータかごに乗って昇降することで、エレベータ昇降路内の点検を行なうため、安全用親綱はエレベータ施工時にのみ必要と考えらえているので、常設までは必要が無いと考えられている。
特開２００１−１５３１２４号公報 By the way, in a building generally equipped with an elevator device, in order to separate the construction, only a space to be an elevator hoistway is formed at the time of construction on the building side. It is not prepared at the time of construction on the building side, but is prepared by the elevator contractor. Or, it will be requested from the elevator contractor side to the building contractor side, but if requested by the building contractor side, there is a risk of forgetting the construction. There is a problem that it takes time and effort to fix the member for supporting the master rope to the building, but on the other hand, in the direct hydraulic elevator, it goes up and down in the elevator car during maintenance after construction, In order to check the elevator hoistway, it is considered that the safety master rope is necessary only at the time of elevator construction, so it is not necessary until permanent installation.
JP 2001-153124 A

本発明は上記の従来の問題点に鑑みて発明したものであって、エレベータ施工業者側において親綱を支持するための親綱支持治具を簡単に建物に取付けることができ、また、エレベータ設置工事終了後には簡単に取外してエレベータかごの昇降の邪魔にならないエレベータ据え付け工事における親綱の保持構造を提供することを課題とするものである。   The present invention has been invented in view of the above-described conventional problems, and it is possible to easily attach a master rope support jig for supporting the master rope to the building on the side of the elevator builder, and to install the elevator. It is an object of the present invention to provide a holding structure for a master rope in an elevator installation work that is easily removed after the construction is completed and does not interfere with the elevator car.

上記課題を解決するために本発明に係るエレベータ据え付け工事における親綱の保持構造は、エレベータ乗り場１に設けたエレベータ昇降路２に連通する乗り場開口部３にエレベータ乗り場１側から架け渡される棒材４と、該棒材４にエレベータ昇降路２側から突出量変更可能に設けられたねじ体５と、ねじ体５から垂設された挟持部６とを有する親綱支持治具７であって、ねじ体５の突出量を減じて棒材４と挟持部６とで乗り場開口部３を挟持することで親綱支持治具７を乗り場開口部３に固定し、親綱支持治具７にエレベータ昇降路２内に垂下される作業者の安全索を取付ける親綱８を支持して成ることを特徴とするものである。   In order to solve the above-described problems, the parent rope holding structure in the elevator installation work according to the present invention is a bar material spanned from the elevator landing 1 side to the landing opening 3 communicating with the elevator hoistway 2 provided in the elevator landing 1. 4, a main rope support jig 7 having a screw body 5 provided on the bar 4 so as to be able to change the amount of protrusion from the elevator hoistway 2 side, and a clamping portion 6 suspended from the screw body 5. The master rope support jig 7 is fixed to the landing opening 3 by reducing the projecting amount of the screw body 5 and holding the landing opening 3 by the bar 4 and the clamping part 6. It is characterized by supporting a master rope 8 for attaching a safety rope of an operator suspended in the elevator hoistway 2.

このような構成とすることで、ねじ体５の突出量を減じることで乗り場開口部３をエレベータ乗り場１側と棒材４と挟持部６とで内外から挟持するという簡単な構成で親綱支持治具７を乗り場開口部３に固定することができ、エレベータ施工業者側において簡単に親綱を保持するための親綱支持治具７の取付けができ、しかも、エレベータ昇降路２の頂部に建物梁や天井が無くてもエレベータ乗り場１には必ず設けられる乗り場開口部３を利用して親綱支持治具７の取付けが容易にできるものであり、また、エレベータ設置作業の終了後にはねじ体５を緩めることで、親綱支持治具７を乗り場開口部３から簡単に取外すことができて、施工後におけるエレベータかごの昇降の邪魔になることがない。   By adopting such a configuration, by reducing the protruding amount of the screw body 5, the platform opening 3 is clamped from the inside and outside by the elevator platform 1 side, the bar 4 and the clamping unit 6 to support the master rope. The jig 7 can be fixed to the landing opening 3, and the elevator contractor side can easily attach the master rope support jig 7 for holding the master rope, and at the top of the elevator hoistway 2 Even if there is no beam or ceiling, it is possible to easily attach the master rope support jig 7 by using the landing opening 3 that is always provided in the elevator hall 1, and after the elevator installation work, the screw body By loosening 5, the master rope support jig 7 can be easily removed from the landing opening 3, and does not obstruct the elevator car ascending and descending after construction.

本発明は、エレベータ昇降路の頂部に建物梁や天井がなくても、乗り場開口部を有効利用してエレベータ設置時にエレベータ施工業者側において親綱を支持するための親綱支持治具を簡単に建物に取付けることができ、また、エレベータ設置工事終了後には簡単に取外してエレベータかごの昇降の邪魔にならないようにできる。   The present invention can easily provide a master rope support jig for supporting the master rope at the elevator construction company side at the time of elevator installation by effectively using the landing opening even if there is no building beam or ceiling at the top of the elevator hoistway. It can be attached to a building and can be easily removed after the elevator installation work is completed so as not to obstruct the elevator car.

以下、本発明を添付図面に示す実施形態に基いて説明する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

図１には本発明に係る親綱支持治具７の斜視図が示してある。親綱支持治具７は、金属製の角パイプのような棒材４と、棒材４に突出量可変自在に取付けられるねじ体５と、ねじ体５から垂設された挟持部６とで構成してある。   FIG. 1 is a perspective view of a master rope support jig 7 according to the present invention. The master rope support jig 7 is composed of a bar 4 such as a metal square pipe, a screw body 5 attached to the bar 4 so that the amount of protrusion is variable, and a clamping part 6 suspended from the screw body 5. It is configured.

棒材４の長手方向には複数箇所（実施形態では３箇所以上）に孔９が設けてあり、上記複数の孔９のうち任意の複数箇所の孔９に２つ以上のねじ体５が突出量可変自在に取付けられる。このように複数の孔９のうち任意の複数箇所の孔９に２つ以上のねじ体５を選択的に取付けることで、後述の乗り場開口部３の開口巾に応じてねじ体５の取付け位置の調整ができる。   In the longitudinal direction of the bar 4, holes 9 are provided at a plurality of positions (three or more positions in the embodiment), and two or more screw bodies 5 project into the holes 9 at a plurality of arbitrary positions among the plurality of holes 9. It can be mounted in a variable amount. Thus, by selectively attaching two or more screw bodies 5 to any of the plurality of holes 9 among the plurality of holes 9, the attachment positions of the screw bodies 5 according to the opening width of the landing opening 3 described later. Can be adjusted.

ねじ体５は外周に雄ねじを刻設したねじ軸部１０の先端部に環状をした親綱支持部１１を設け、更に、ねじ軸部１０の先端部の親綱支持部１１の突出基部に挟持部６の上部をナット１２により固定してある。挟持部６は、ねじ軸部１０に挿入する孔（図示せず）を有する固定縦片１３の下端部から親綱支持部１１の突出方向に突出した水平片１４を一体に突出し、更に、水平片１４の先端から下方に下垂下片１５を一体に垂設して構成してある。   The screw body 5 is provided with an annular parent rope support portion 11 at the distal end portion of the screw shaft portion 10 in which a male screw is engraved on the outer periphery, and is further sandwiched by the protruding base portion of the parent rope support portion 11 at the distal end portion of the screw shaft portion 10. The upper part of the part 6 is fixed by a nut 12. The clamping part 6 integrally projects a horizontal piece 14 projecting in the projecting direction of the master rope support part 11 from the lower end part of the fixed vertical piece 13 having a hole (not shown) to be inserted into the screw shaft part 10, and further horizontally. A drooping piece 15 is integrally suspended downward from the tip of the piece 14.

そして、ねじ体５のねじ軸部１０を任意の孔９に挿入し、ナット１６を締付けて固定するのであるが、この場合、ナット１６の締付け位置を調整することで、棒材４からのねじ体５を突出量を可変することができるようになっている。   Then, the screw shaft portion 10 of the screw body 5 is inserted into an arbitrary hole 9 and the nut 16 is fastened and fixed. In this case, the screw from the bar 4 is adjusted by adjusting the tightening position of the nut 16. The protrusion amount of the body 5 can be changed.

上記の構成の親綱支持治具７はエレベータ施工業者がエレベータ設置工事を行なう際に使用する。   The master rope support jig 7 having the above-described configuration is used when an elevator installer performs elevator installation work.

すなわち、エレベータ設置工事を行なう前に建物施工業者により建物の躯体工事を行なう際、エレベータ昇降路２となる空間と、各階に廊下のようなエレベータ乗り場１が形成され、エレベータ乗り場１の空間とエレベータ昇降路２とを連通する乗り場開口部３が形成される。上記建物の躯体工事において乗り場開口部３は、通常、エレベータ昇降路２の四隅に立設される柱１７のうちエレベータ乗り場１側の一対の柱１７間に架設される上下の梁材１８間に乗り場開口部３の両側に位置する部位に柱材１９を立設することで構成される。   That is, when the building construction work is performed by the building contractor before the elevator installation work, an elevator hoistway 2 and an elevator hall 1 such as a corridor are formed on each floor, and the elevator hall 1 space and the elevator A landing opening 3 that communicates with the hoistway 2 is formed. In the building construction of the building described above, the landing opening 3 is usually formed between the upper and lower beam members 18 constructed between the pair of columns 17 on the elevator platform 1 side among the columns 17 standing at the four corners of the elevator hoistway 2. The pillar material 19 is erected at portions located on both sides of the landing opening 3.

建物施工業者による建物躯体工事の施工後、建物施工業者による内装工事の施工前に、エレベータ施工業者によりエレベータ昇降路２内にエレベータ設置工事を行なう。   After the building construction work by the building contractor and before the interior work by the building contractor, the elevator installation work is performed in the elevator hoistway 2 by the elevator contractor.

このエレベータ施工業者によるエレベータ設置工事に当たり、まず、上記親綱支持治具７を最上階のエレベータ乗り場１に設けられる乗り場開口部３に取付ける。   In the elevator installation work by the elevator installer, first, the master rope support jig 7 is attached to the landing opening 3 provided in the elevator landing 1 on the top floor.

親綱支持治具７の取付けに当たっては、ナット１６を緩めて棒材４からのねじ体５の突出量を長く突出させた状態で、乗り場開口部３にエレベータ乗り場１側から棒材４を架け渡すと共に、ねじ体５の先端部を乗り場開口部３からエレベータ昇降路２内に突出させる。ここで、棒材４は乗り場開口部３の両側に設けられる乗り場開口部３の骨組み部材である一対の柱材１９又は一対の柱１７のエレベータ乗り場１側の面に当接するように架け渡す。図４の実線では棒材４を一対の柱材１９に当接させている例を示しているが、これに加えて、図４の破線のように棒材４の両端部を構造材である一対の柱１７に当接させてもよい。これにより取付け強度がより向上する。また、ねじ体５の先端部に垂設した挟持部６の水平片１４を乗り場開口部３の下の部材となる梁材１８の上面に設置すると共に下垂下片１５を梁材１８の側面に対向させる。この状態でナット１６を締め付けてねじ体５の突出量を減じることで図２、図３に示すように下垂下片１５を梁材１８の側面に押し付けて棒材４と挟持部６とで、乗り場開口部３の骨組み部材である柱材１９又は柱１７と、梁材１８とに挟持することで親綱支持治具７を乗り場開口部３の骨組み部材に固定する。   When attaching the master rope support jig 7, the nut 16 is loosened so that the protruding amount of the screw body 5 from the bar 4 is extended longer, and the bar 4 is hung from the elevator hall 1 side to the landing opening 3. While passing, the front-end | tip part of the screw body 5 is protruded in the elevator hoistway 2 from the landing opening part 3. As shown in FIG. Here, the bar 4 is bridged so as to come into contact with the surfaces of the pair of column members 19 or the pair of columns 17 on the elevator platform 1 side which are the framework members of the platform opening 3 provided on both sides of the platform opening 3. The solid line in FIG. 4 shows an example in which the bar 4 is brought into contact with the pair of pillars 19, but in addition to this, both ends of the bar 4 are structural members as shown by the broken lines in FIG. You may make it contact | abut to a pair of pillar 17. FIG. As a result, the mounting strength is further improved. Further, the horizontal piece 14 of the clamping part 6 suspended from the tip of the screw body 5 is installed on the upper surface of the beam member 18 which is a member below the landing opening 3 and the hanging piece 15 is arranged on the side surface of the beam member 18. Make them face each other. In this state, by tightening the nut 16 and reducing the protruding amount of the screw body 5, as shown in FIGS. 2 and 3, the drooping piece 15 is pressed against the side surface of the beam member 18, and the bar 4 and the sandwiching portion 6 The master rope support jig 7 is fixed to the framework member of the landing opening 3 by being sandwiched between the pillar member 19 or the pillar 17 which is the framework member of the landing opening 3 and the beam member 18.

このように親綱支持治具７を乗り場開口部３の骨組み部材に固定した状態で、ねじ体５の先端に設けられてエレベータ昇降路２内に突出している親綱支持部１１に親綱８を取付けて支持させ、親綱８をエレベータ昇降路２内に垂らし、親綱８に作業者の安全索を締結する。ここで、作業者の安全索としては従来から一般に使用されたものを用いることができるが、例えば、一端が作業者側のベルトなどに係止するフックを設け、他端に親綱に提携する締結具を設けたものを使用することができる。勿論これにのみ限定されない。   In this manner, with the master rope support jig 7 fixed to the framework member of the landing opening 3, the master rope 8 is provided on the master rope support portion 11 provided at the tip of the screw body 5 and protruding into the elevator hoistway 2. Is attached and supported, the master rope 8 is hung in the elevator hoistway 2, and the operator's safety rope is fastened to the master rope 8. Here, as a worker's safety rope, a conventionally used safety rope can be used. For example, one end is provided with a hook that is engaged with a belt on the worker side, and the other end is associated with a master rope. Those provided with fasteners can be used. Of course, it is not limited to this.

上記のようにしてエレベータ施工業者の安全性を確保しながらエレベータ昇降路２内においてエレベータの諸設備の据え付け工事を行なう。この場合、エレベータとしてはエレベータ昇降路２の底部に油圧ジャッキを据え、これによりエレベータかごを直接昇降する直接油圧式エレベータであってもよく、また、ロープ吊り式エレベータであってもよい。   As described above, the installation of the elevator facilities is performed in the elevator hoistway 2 while ensuring the safety of the elevator contractor. In this case, the elevator may be a direct hydraulic elevator in which a hydraulic jack is installed at the bottom of the elevator hoistway 2 so that the elevator car is directly raised or lowered, or a rope suspension type elevator.

エレベータの据え付け工事が終了すると、ナット１６を緩めることで親綱支持治具７の乗り場開口部３の骨組みへの固定を解除して取外すと共に、親綱支持部１１から親綱８を取リ外す。この作業はエレベータ施工業者が行なう。その後、建物作業業者により、建物の内装工事等が行なわれる。この場合、エレベータ乗り場１には床が形成され、また、乗り場開口部３には上記骨組みの外面に壁材が貼られて壁が形成される。   When the installation work of the elevator is finished, the nut 16 is loosened to release and remove the fixing of the landing opening 3 of the main rope support jig 7 from the frame, and the main rope 8 is removed from the main rope support 11. . This work is performed by an elevator contractor. Thereafter, the building work is performed by the building contractor. In this case, a floor is formed in the elevator hall 1, and a wall is formed in the hall opening 3 by attaching a wall material to the outer surface of the frame.

本発明の親綱支持治具の分解斜視図である。It is a disassembled perspective view of the master rope support jig of this invention. 親綱支持治具の取付け状態を示す概略斜視図である。It is a schematic perspective view which shows the attachment state of a master rope support jig. 同上の拡大斜視図である。It is an expansion perspective view same as the above. 同上の平面図である。It is a top view same as the above.

符号の説明Explanation of symbols

１ エレベータ乗り場
２ エレベータ昇降路
３ 乗り場開口部
４ 棒材
５ ねじ体
６ 挟持部
７ 親綱支持治具
８ 親綱 DESCRIPTION OF SYMBOLS 1 Elevator landing 2 Elevator hoistway 3 Platform opening part 4 Bar material 5 Screw body 6 Clamping part 7 Parent rope support jig 8 Parent rope

Claims (1)

エレベータ乗り場に設けたエレベータ昇降路に連通する乗り場開口部にエレベータ乗り場側から架け渡される棒材と、該棒材にエレベータ昇降路側から突出量変更可能に設けられたねじ体と、ねじ体から垂設された挟持部とを有する親綱支持治具であって、ねじ体の突出量を減じて棒材と挟持部とで乗り場開口部を挟持することで親綱支持治具を乗り場開口部に固定し、親綱支持治具にエレベータ昇降路内に垂下される作業者の安全索を取付ける親綱を支持して成ることを特徴とするエレベータ据え付け工事における親綱の保持構造。   A bar extending from the elevator landing side to the landing opening communicating with the elevator hoistway provided in the elevator landing, a screw body provided on the bar so that the amount of protrusion can be changed from the elevator hoistway side, and a hung from the screw body A main rope support jig having a holding portion provided, and by reducing the protruding amount of the screw body and holding the landing opening portion by the bar and the holding portion, the main rope support jig is attached to the landing opening portion. A structure for holding a master rope in an elevator installation work, wherein the master rope is fixed and supported by a master rope for attaching a safety rope of an operator suspended in the elevator hoistway to the master rope support jig.
JP2005371051A 2005-12-22 2005-12-22 Retention structure of parent rope in elevator installation work Expired - Fee Related JP4886292B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230322522A1 (en) * 2020-12-22 2023-10-12 Kone Corporation Construction arrangement of an elevator and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58160474A (en) * 1982-03-17 1983-09-22 東芝昇降機サ−ビス株式会社 Working scaffold apparatus in elevator construction
JPH07157235A (en) * 1993-12-09 1995-06-20 Mitsubishi Electric Corp Elevator installation scaffolding device
JP2001354374A (en) * 2000-06-12 2001-12-25 Hitachi Building Systems Co Ltd Lifting device in hoistway of elevator
JP2005061106A (en) * 2003-08-18 2005-03-10 Fujii Denko Co Ltd On-roof working method and safety belt fitting for use in the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58160474A (en) * 1982-03-17 1983-09-22 東芝昇降機サ−ビス株式会社 Working scaffold apparatus in elevator construction
JPH07157235A (en) * 1993-12-09 1995-06-20 Mitsubishi Electric Corp Elevator installation scaffolding device
JP2001354374A (en) * 2000-06-12 2001-12-25 Hitachi Building Systems Co Ltd Lifting device in hoistway of elevator
JP2005061106A (en) * 2003-08-18 2005-03-10 Fujii Denko Co Ltd On-roof working method and safety belt fitting for use in the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230322522A1 (en) * 2020-12-22 2023-10-12 Kone Corporation Construction arrangement of an elevator and method

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