JP6748545B2 - Test fixture for fire hydrant device and test method for fire hydrant device - Google Patents

Description

The present invention relates to a test jig for a fire hydrant device and a test method for a fire hydrant device.

BACKGROUND ART Conventionally, a fire hydrant device has been provided in a tunnel such as an expressway or an automobile road. Inside the fire hydrant device, valves including a hose having a nozzle attached to the tip and a fire hydrant valve are housed openable by a fire hydrant door.

Generally, the fire hydrant devices are arranged along the side wall of the tunnel, for example, at intervals of 50 meters.
When a vehicle accident involving a fire occurs in a tunnel that has a guardian passage that is one step higher than the roadway along the side wall of the tunnel, the road user (operator) such as the driver of the accident vehicle is And the road surface of the guardian's passage, climb the guardian's passage by steps etc., open the fire hydrant door of the fire hydrant device installed on the side wall of the tunnel forward, take out the hose with nozzle and extinguish fire I do.

Since the fire hydrant device is installed at a high position away from the roadway, it has to be operated up to the observer's passage, which is disadvantageous in that it takes time. Further, when the fire hydrant device is not used, the fire hydrant device arranged along the side wall of the tunnel obstructs passage of the surveillance staff passage.

Therefore, a recess (opening) is provided on the side wall of the surveillance staff passage formed between the road surface of the surveillance staff passage and the road surface of the road, and a fire hydrant device is attached to the recess, and a hose can be pulled out from the fire hydrant device to the roadway side. Has been proposed (see Patent Document 1 below). With this fire hydrant device, the operator can stand on the road and pull out the hose to the road side to carry out fire fighting.

JP 2001-9053 A

However, in the fire hydrant device described in Patent Document 1, when the lid (name plate) below the road surface of the guard passage is opened, the hose is taken out, and the opening/closing lever is opened, the guard passage side is used. The operator has to bend over the guardian's passage and extend his hand below the road surface of the guardian's passage, or go down to the road, which is troublesome. Therefore, it is conceivable that the fire hydrant device is embedded in the upper surface of the surveillance staff passage and the surface on the side of the roadway so that the hose or the like of the fire hydrant device can be pulled up and used.

By the way, in the fire hydrant device, it is necessary to perform a test to confirm in advance whether or not the force required to stretch the accommodated hose is within a predetermined range and whether or not the work can be performed smoothly during fire extinguishing. In the case of the fire hydrant device embedded in the observer's corridor as described above, assuming the installation situation, for example, if the floor is dug down one step and the fire hydrant device is installed and tested, the fire hydrant device will be installed. There is a problem that large-scale construction such as digging the floor surface is required to form the spot.

Therefore, the present invention has been made in view of the above circumstances, and provides a test jig for a fire hydrant device and a test method for a fire hydrant device that can be easily tested.

In order to achieve the above object, the present invention employs the following means.
That is, the test jig of the fire hydrant device according to the present invention is a watchman passage of a tunnel provided with a roadway and a watchman passageway formed along a side wall of the tunnel at a position higher than the road surface of the roadway. A test jig for a fire hydrant device having a hose through which fire extinguishing water flows, which is installed on the side of the roadway, wherein a recess is formed downward from the upper surface, and the fire hydrant device is installed in the recess. , A plurality of connecting bodies arranged in a line from the support to one side in a plan view.

In the test jig of the fire hydrant device configured as described above, the support is installed on the floor surface, the plurality of connecting bodies are arranged in a line from the support on one side in plan view, and the fire hydrant is provided in the recess of the support. Install the device. As a result, the upper surface of the support body and the upper surface of the connection body are higher than the floor surface. Assuming that the floor surface is, for example, the road surface of the roadway of the tunnel where the fire hydrant device is installed, and the upper surface of the support body and the upper surface of the connecting body are the road surface of the monitoring passage, the hose housed in the fire hydrant device is monitored. It is possible to perform a test of extending along the upper surface of the support body and the upper surface of the coupling body which are assumed to be the road surface of the passage. Therefore, the test can be easily performed without performing large-scale construction such as digging the floor surface to install the fire hydrant device.

In the fire hydrant apparatus test jig according to the present invention, it is preferable that the connecting body can be connected in a line from the supporting body to one side in a plan view.

In the test fixture of the fire hydrant device configured as described above, since the connecting body is connected in a line from the supporting body to one side in a plan view, displacement of the supporting body and the connecting body is suppressed, and the test is appropriately performed. be able to.

Further, in the test jig for the fire hydrant apparatus according to the present invention, it is preferable that the connection between the support and the connection body and the connection between the plurality of connection bodies are fastened by bolts.

In the test jig of the fire hydrant apparatus configured as described above, the connection between the support and the connection body and the connection between the plurality of connection bodies are fastened with bolts. Therefore, it is possible to assemble the simulated observer passage by fastening the bolts with the support and multiple connecting bodies, and to perform a test to extend the hose from the fire hydrant device to one side, and remove the bolts after the test to support. The body and the connected body can be disassembled and accommodated compactly. Furthermore, if you remove the bolts that connect the support and the connecting body and rotate the support around the vertical axis to reconnect with the connecting body, you can change the pulling direction of the hose to the fire hydrant device and change the hose. A stretching test can also be performed.

Further, in the test jig of the fire hydrant device according to the present invention, the height of the support and the height of the connecting body may be substantially the same.

In the test fixture of the fire hydrant device configured as described above, since the height of the support body and the height of the connection body are substantially the same, support with the support body and the connection body installed on the floor surface. The upper surface of the body and the upper surface of the coupling body are flush with each other. Therefore, assuming that the upper surface of the support body and the upper surface of the coupling body are the road surface of the surveillance staff passage, it is possible to perform a test assuming a road surface of the surveillance staff passage without steps.

Further, the test method of the fire hydrant device according to the present invention is characterized in that the monitoring passage of the monitoring passage in a tunnel is provided with a roadway and a monitoring passageway formed along a sidewall of the tunnel at a position higher than the road surface of the drivingway. A test method of a fire hydrant device having a hose through which water for fire extinguishing is installed on a roadside side, a support having a recess formed downward from an upper surface, a support installation step of installing on a floor surface, A connecting body installing step of connecting the connecting bodies in a line to one side of the support in a plan view, a fire hydrant device installing step of installing the fire hydrant device in the recess of the support, and the hose along the one side And a hose stretching process of stretching the hose.

In the test method of the fire hydrant apparatus configured as described above, the support is installed on the floor surface, the plurality of connecting bodies are connected in a line from the support to one side in a plan view, and the fire hydrant apparatus is installed in the recess of the support. Set up. As a result, the upper surface of the support body and the upper surface of the connection body are higher than the floor surface. Assuming that the floor surface is, for example, the road surface of the tunnel road where the fire hydrant device is installed, and the upper surface of the support and the upper surface of the connecting body are the road surface of the observer passage, the hose of the fire hydrant device is set to the road surface of the observer passage. It is possible to perform a test of stretching along the assumed upper surface of the support and the upper surface of the coupling body. Therefore, the test can be easily performed without performing large-scale construction such as digging down from the floor to install the fire hydrant device. In addition, assuming that the floor surface is the road surface, and extending the hose along the floor surface that is assumed to be the road surface, it is possible to perform tests without additional test jigs or installation work, which is convenient. Is high.

According to the test jig for the fire hydrant device and the test method for the fire hydrant device according to the present invention, the test can be easily performed.

It is a perspective view which shows the installation state of the fire hydrant apparatus used as the test object which concerns on one Embodiment of this invention. In the fire hydrant apparatus to be tested according to the embodiment of the present invention, it is a front view showing a state of a use position in which a lifting unit including a water supply pipe, a fire hydrant valve and an opening/closing lever is raised. In the fire hydrant apparatus to be tested according to an embodiment of the present invention, it is a perspective view showing a state in which the elevating unit including the water supply pipe, the fire hydrant valve, and the opening/closing lever is raised and in a use position. It is a perspective view of the (a) closed position which shows the opening/closing lever of the fire hydrant apparatus used as the test object which concerns on one Embodiment of this invention, (b) It is a top view. It is a perspective view which shows the state of the storage position of the fire hydrant apparatus used as the test object which concerns on one Embodiment of this invention. It is an exploded perspective view showing composition of a test jig of a fire hydrant apparatus concerning one embodiment of the present invention. It is a perspective view which installed the fire hydrant apparatus in the storage position in the test jig of the fire hydrant apparatus which concerns on one Embodiment of this invention. It is a perspective view which installed the fire hydrant apparatus in the use position in the test jig of the fire hydrant apparatus which concerns on one Embodiment of this invention.

A test jig for a fire hydrant device and a test method for a fire hydrant device according to an embodiment of the present invention will be described with reference to the drawings.
First, the fire hydrant device to be tested will be described.
FIG. 1 is a perspective view showing an installed state of a fire hydrant device according to an embodiment of the present invention.
The fire hydrant device 100 is mainly installed in a tunnel T such as a highway or an automobile road, and is used for extinguishing a fire in the tunnel T due to a car accident or the like.
The tunnel T includes a road surface 1T of a road 1 through which a vehicle travels and an outer shell S formed of a curved surface. Further, inside the tunnel T, the road surface 2T of the surveillance staff passage 2 is provided along the inner surface (side wall of the tunnel) S1 of the outer shell S at a position higher than the road surface 1T of the roadway 1. A handrail 4 is provided on the road surface 2T of the surveillance staff passage 2.
A passage wall surface 3 formed along the vertical plane is provided between the road surface 2T of the surveillance staff passage 2 and the road surface 1T of the road 1. A fire hydrant device 100 is installed along the road surface 2T of the surveillance staff passage 2 and the passage wall surface 3.

FIG. 2 is a front view of the fire hydrant apparatus 100 showing a state in which the elevating unit 20 is raised and is in a use position. FIG. 3 is a perspective view of the fire hydrant apparatus 100 showing a state where the elevating unit 20 is raised and is in a use position.
As shown in FIGS. 2 and 3, the fire hydrant apparatus 100 includes a housing 10 and an elevating unit 20 that is vertically movable with respect to the housing 10.

The housing 10 includes a bottom plate 11, a front plate 12 disposed on the side of the bottom plate 11 on the side of the roadway 1 and extending along a vertical plane, a rear plate 13 disposed on the opposite side of the front plate 12, the front plate 12 and the rear plate 13. Has a side plate 14 that connects the two and upper plates 15 that are arranged on the opposite side of the bottom plate 11 and arranged on both sides. As shown in FIG. 1, the housing 10 is embedded in the observer passage 2 so that the front plate 12 extends along the passage wall surface 3.

The front plate 12 is provided with a name plate 12A that is described as a foam fire hydrant and a name plate 12B that describes how to handle the fire hydrant.

The elevating unit 20 is accommodated in the support body 21 supported by the housing 10, the upper lid 22 provided on the upper end of the support body 21, the hose housing portion 23 provided on the lower surface of the upper lid 22, and the hose housing portion 23. And a fire hydrant opening/closing lever 25.

The support 21 has a lower end supported by the bottom plate 11 of the housing 10 and an upper end supported by the upper lid 22. The support body 21 is disposed between the upper lids 22 on both sides of the housing 10 in a plan view. The support 21 is biased upward by a biasing means (not shown). Further, a name plate 22A on which the handling of the fire hydrant is described is provided on the upper surface of the upper lid 22.

The upper lid 22 is supported on the upper end of the support body 21. The upper lid 22 is provided with a latch 31, and the rear plate 13 of the housing 10 is provided with a latch receiver (not shown; the same applies hereinafter). By operating the operation unit 32 provided in the latch 31, it is possible to unlock and lock between the latch 31 and the latch 31 receiver.

The hose accommodating portion 23 has a pair of front plates 26 that are vertically spaced apart from each other. The front plate 26 is fixed to the support 21. The front plate 26 is provided with a nameplate 26A indicating a housing location of the hose 24 and a nameplate 26B on which the handling of the fire hydrant apparatus 100 is described.

The hose 24 is wound and housed in the hose housing portion 23. A nozzle 41 is provided at the tip of the hose 24. A portion of the hose 24 near the nozzle 41 is detachably locked to the hose housing portion 23.

A space (takeout space) U is formed between the pair of front plates 26 of the hose housing portion 23. The hose 24 can be taken out from the take-out space U.

A water supply main (not shown) is provided below the road surfaces 1T and 2T of the roadway 1 and the surveillance staff passage 2. A water supply pipe 51 is connected to the main water supply pipe so as to stand up. The water supply pipe 51 is connected to the hose 24 and is arranged inside the elevating unit 20.

FIG. 4 shows the fire hydrant opening/closing lever 25 of the fire hydrant apparatus 100, (a) is a perspective view of a closed position, and (b) is a plan view.
As shown in FIG. 4, the water supply pipe 51 is provided with a fire hydrant valve 52. The fire hydrant valve 52 is connected to the fire hydrant opening/closing lever 25 by wire connection. Further, when the fire hydrant opening/closing lever 25 is operated to the open position, the pump start interlock switch (not shown) is turned on, and the pump of the fire pump equipment (not shown) is started.

Next, a method of using the fire hydrant device 100 will be described.
FIG. 5 is a perspective view showing a state of the storage position 100X of the fire hydrant apparatus 100.
As shown in FIGS. 1 and 5, when the lifting unit 20 is in the storage position 100X disposed below the road surface 2T of the surveillance staff passage 2 and the operating portion 32 of the latch 31 is operated to unlock the door. The elevating unit 20 with the support body 21 biased upward moves up. That is, the water supply pipe 51, the fire hydrant valve 52 provided in the water supply pipe 51, the fire hydrant opening/closing lever 25 that can open and close the fire hydrant valve 52, and the like ascend together.

Next, the nozzle 41 is removed from the hose housing 23, and the hose 24 is extended to the fire extinguishing position.

As shown in FIG. 4, the fire hydrant opening/closing lever 25 is in a closed position 25X when the fire hydrant opening/closing lever 25 is attached in a direction orthogonal to the extending direction Z of the water supply pipe 51. The fire hydrant opening/closing lever 25 is opened by rotating from the closed position 25X to the side of the surveillance staff passage 2 (rotating 90 degrees counterclockwise in plan view) (see the chain double-dashed line shown in FIG. 4B). The position 25Y is reached, and the wire-connected fire hydrant valve 52 opens. Further, with the operation of the fire hydrant opening/closing lever 25, the pump start interlocking switch provided at a predetermined position is turned on, and the operation of the fire pump is started. As a result, discharge of fire water from the nozzle 41 is started.

Next, a test jig for the fire hydrant device will be described.
FIG. 6 is an exploded perspective view showing the structure of the test jig of the fire hydrant device.
As shown in FIG. 6, a test jig unit (test jig) 200 of the fire hydrant device includes a support 201 on which the fire hydrant device 100 is installed, and connectors 211 and 221 connectable to the support 201. Equipped with.

The support 201 has a shape in which a concave portion 203 is formed downward from an upper surface 202 of a rectangular parallelepiped. The recess 203 has a shape corresponding to that of the fire hydrant device 100.

A plurality of bolts 205 are provided on one side surface 204 of the support 201. A nut (not shown) that can be fastened to the bolt 205 is provided on the other side surface 206 of the support 201. In the present embodiment, the support 201 has, for example, a height of about 900 mm and a depth of about 750 mm.

The connection body 211 is formed in a rectangular parallelepiped shape. The height of the connection body 211 is substantially the same as the height of the support body 201. Therefore, with the support 201 and the connecting body 211 installed on the floor surface F, the upper surface 202 of the supporting body 201 and the upper surface 212 of the connecting body 211 are arranged on the same plane.

The connecting body 221 (see FIG. 8) is formed to be inclined from the end of the flat surface portion 222 and the flat surface portion 222 that is arranged on the same plane as the upper surface 202 of the supporting body 201 and the upper surface 212 of the connecting body 211. And an inclined portion 223.

Like the support 201, a plurality of bolts 215 are provided on one side surface 214 of the connecting body 211 and one side surface 224 (see FIG. 8) of the connecting body 221. A nut (not shown) that can be fastened to the bolt 215 is provided on the other side surface 216 of the connecting body 211. In the present embodiment, the connecting body 211 has, for example, a width of about 3,000 mm, a height of about 900 mm, and a depth of about 750 mm.

FIG. 7 is a perspective view of the fire hydrant apparatus 100 installed in the test jig unit 200 at the storage position.
As shown in FIGS. 6 and 7, with respect to the support body 201 installed on the floor surface F, a plurality of connection bodies 211 are arranged in a line on one side (X1 direction) in plan view.

In the present embodiment, the nut provided on the side surface 216 of the coupling body 211 is fastened to the bolt 205 provided on the side surface 204 of the support body 201. Similarly, a nut provided on the side surface 216 of the connection body 211 is fastened to a bolt 215 provided on the side surface 214 of the connection body 211. In this way, the plurality of connected bodies 211 are connected. A connecting body 221 having an inclined portion 223 is connected to a tip end portion of the connecting body 211 arranged in a line.
The connection between the support 201 and the connection body 211 and the connection between the connection bodies 211 may be connected by a binding band or the like. Alternatively, the support body 201 and the connecting body 211 (or the connecting bodies 211 may be connected to each other without being connected).
The connecting body 221 having the inclined portion 223 may not be connected to the tip of the connecting body 211.

The fire hydrant device 100 is arranged in the recess 203 of the support 201. The fire hydrant device 100 is preferably connected to the bottom surface of the recess 203 of the support 201 by a bolt or the like (not shown).

Next, a test method of the fire hydrant device will be described.
First, a support installation process is performed.
The support 201 is installed on the floor surface F.

Next, a connecting body installation process is performed.
A plurality of connecting bodies 211 are connected in a line to one side (X1 direction) of the supporting body 201 in plan view. In the present embodiment, the plurality of connecting bodies 211 are sequentially connected to the side surface 204 side of the support body 201 by the bolts 205 and 215. The connecting body 221 is connected to the tip of the connecting body 211.

Next, a fire hydrant installation process is performed.
The fire hydrant device 100 is installed in the recess 203 of the support 201.
In addition, you may perform a fire hydrant installation process before a connection body installation process.

Next, a hose stretching process is performed.
FIG. 8 is a perspective view in which the fire hydrant apparatus 100 is installed in the test jig unit 200 at the use position.
As shown in FIG. 8, the operating portion 32 (see FIG. 3) of the latch 31 is operated to unlock the lock and the lifting unit 20 is raised. The worker stands on the upper surface 202 of the support body 201 and the upper surface 212 of the connection body 211 and pulls the hose 24 in the elevating unit 20 in the X direction. At this time, a hose pull-out test and a disengagement test are performed to determine whether the force required to pull out the hose 24 from the fire hydrant device 100 is within a predetermined range.
It is also possible to perform a hose pull-out test and a disengagement test in the X2 direction by reconnecting the connecting bodies 211 and 221 to the support 201 in the X2 direction opposite to the X1 direction.
Further, the worker can stand on the floor surface F and pull the hose 24 in the X1 direction and the X2 direction to perform the hose pull-out test and the loosening test.

In the test jig unit 200 of the fire hydrant apparatus and the test method of the fire hydrant apparatus configured as described above, the support body 201 is installed on the floor surface F, and the plurality of connection bodies 211 are arranged in a line from the support body 201 in the X1 direction. After connecting, the fire hydrant apparatus 100 is installed in the recess 203 of the support 201. As a result, the upper surface 202 of the support 201 and the upper surface 212 of the connection body 211 are higher than the floor surface F. Assuming that the floor surface F is the road surface 1T of the roadway 1 of the tunnel T in which the fire hydrant apparatus 100 is installed, and the upper surface 202 of the support 201 and the upper surface 212 of the connection body 211 are the road surface 2T of the surveillance staff passage 2, A test of raising the elevating unit 20 of the fire hydrant apparatus 100 and extending in the X1 direction the upper surface 202 of the support body 201 and the upper surface 212 of the connection body 211 assuming the housed hose 24 to be the road surface 2T of the surveillance staff passage 2 is performed. It can be carried out. Therefore, the test can be easily performed without performing large-scale construction such as digging the floor surface F to install the fire hydrant device 100.

Further, a test in which the floor F is assumed to be the road surface 1T of the roadway 1 and the hose 24 is stretched along the floor surface F assumed to be the road surface 1T of the roadway 1 is also performed without adding a test jig or installation work. Therefore, it is highly convenient.

Further, since the connecting bodies 211 and 221 are connected from the supporting body 201 in a line in the X1 direction, the positional displacement between the supporting body 201 and the connecting bodies 211 and 221 is suppressed, and the test can be appropriately performed.

Further, the connection between the support body 201 and the connection body 211 and the connection between the plurality of connection bodies 211 are fastened by bolts 205 and 215. Therefore, by fastening the bolts 205 and 215, the simulated observer passage can be assembled by the support 201 and the plurality of connecting bodies 211, and the test of extending the hose 24 from the fire hydrant apparatus 100 in the X1 direction can be performed. Further, after the test is completed, the bolts 205 and 215 can be removed to disassemble the support 201 and the connecting body 211 and accommodate them compactly. Further, the bolt 205 that connects the support 201 and the connector 211 on the proximal side in the X1 direction is removed, and the support 201 is rotated about the vertical axis as shown by the chain double-dashed line in FIG. By connecting the connecting body 211 to the X2 direction (see FIG. 8), the test of extending the hose 24 by changing the drawing direction of the hose 24 with respect to the fire hydrant apparatus 100 can be performed.

Further, since the height of the support 201 and the height of the connecting body 211 are substantially the same, the upper surface 202 of the supporting body 201 and the connecting body 211 are connected to each other with the supporting body 201 and the connecting body 211 installed on the floor surface F. The upper surface 212 of the body 211 is flush. Therefore, assuming that the upper surface 202 of the support body 201 and the upper surface 212 of the connection body 211 are the road surface 2T of the surveillance staff passage 2, it is possible to perform a test assuming the road surface 2T of the surveillance staff passage 2 without steps.

The shapes, combinations, and the like of the constituent members shown in the above-described embodiments are merely examples, and can be variously changed based on design requirements and the like without departing from the scope of the present invention.

For example, various configurations of the support body 201 and the connection body 211 can be adopted, but after the outer shapes are assembled with a sheet metal or the like, the interior may be filled with concrete. Further, an adjuster (not shown) whose height can be adjusted may be provided below the support 201 and the connecting body 211, or a caster (not shown) that can roll in the horizontal direction may be provided. Alternatively, a finishing material equivalent to the road surface 2T of the surveillance staff passage 2 may be formed in a panel shape and detachably attached to the upper portion of the support 201 and the upper portion of the connecting body 211.

Further, in the above-described embodiment, the elevating unit 20 is configured to be capable of ascending and descending, but the present invention is not limited to this, and is configured to be installed on the roadway 1 side of the surveillance staff passage 2 (embedded in the surveillance staff passage 2). Configured).

100... Fire hydrant device 100X... Storing position 100Y... Use position 1... Roadway 1T... Roadway 2 of roadway... Surveillance passage 2T... Roadway of surveillance staff passageway... Passage wall surface 10... Housing 11... Bottom plate 12... Front plate 13... Rear Plate 14... Side plate 15... Upper plate 20... Elevating unit 21... Support 22... Upper lid 23... Hose housing 24... Hose 25... Fire hydrant opening/closing lever 25X... Closed position 25Y... Open position 31... Latch 32... Operation part 36... Correct Face plate 41... Nozzle 51... Water supply pipe 52... Fire hydrant valve 200... Test jig unit of fire hydrant device (test jig)
201... Support 202... Support upper surface 203... Recesses 205, 215... Bolts 211, 221... Connection body 212... Connection body upper surface U... Space S1... Inner surface T... Tunnel

Claims (5)

A hose that is installed on the roadway side of the supervisor passage in the tunnel provided with a roadway and a supervisor passage formed along the side wall of the tunnel at a position higher than the road surface of the road, A test jig for a fire hydrant device,
A support body in which a recess is formed downward from the upper surface, and the fire hydrant device is installed in the recess;
A test jig for a fire hydrant device, comprising: a plurality of connecting bodies arranged in a line from the support to one side in a plan view. The test jig for a fire hydrant apparatus according to claim 1, wherein the connecting body is connectable from the supporting body to one side in a plan view in a line. The test jig of the fire hydrant apparatus according to claim 1 or 2, wherein the connection between the support body and the connection body and the connection between the plurality of connection bodies are fastened by bolts. The test jig of the fire hydrant apparatus according to claim 1, wherein the height of the support body and the height of the connection body are substantially the same. A hose that is installed on the roadway side of the supervisor passage in the tunnel provided with a roadway and a supervisor passage formed along the side wall of the tunnel at a position higher than the road surface of the road, A method for testing a fire hydrant device having:
A support installation step of installing a support having a recess formed downward from the upper surface on the floor surface,
A connecting body installation step of connecting the connecting bodies to one side of the support in a plan view,
A fire hydrant device installation step of installing the fire hydrant device in the recess of the support,
A hose stretching step of stretching the hose along the one side, and a method for testing a fire hydrant device.

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