JPH09125483A - Drainage system in apartment house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to set up a drainage system without demanding for troublesome work and enhance the degree of freedom for floor planning about the layout of living rooms in each dwelling house and use effectively such areas close to a wall or a post. SOLUTION: This system comprises vertical drain pipes 15, which penetration a plurality of slabs vertically where each drain pipe 15 is laid out in a corner area 10a close to a partition wall 8 and a post 2a respectively in conformity with each dwelling house 6 in each floor space 5. A booster pump 17, which receives sanitary sewage discharged from an utility system 16 and which is capable of force-feeding the received sanitary sewage to the outside area, is provided respectively in the utility system of each dwelling house 6 while a transportation pipeline 19, which is designed to connect the booster pump 17 to the vertical drain pipes 15, is provided between the vertical drain pipes 15 laid out in conformity with the dwelling houses 6, thereby forming the transportation pipeline 19 so that it may pass through a ceiling space inside the equivalent dwelling houses 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage facility in an apartment house suitable as a drainage facility for utility facilities such as a bathroom and a toilet in an apartment house.

[0002]

2. Description of the Related Art Conventionally, in a dwelling unit such as a condominium, each dwelling unit is provided with a utility facility such as a bathroom or a toilet. For such a utility facility, the utility facility is used. Drainage facilities that can drain dirty water etc. to the outside are provided. That is, the conventional utility equipment receives the wastewater and the like generated in the utility equipment, and receives the horizontal piping for transporting the wastewater and the like with a natural gradient, and the wastewater and the like transported by the horizontal piping. In addition, a predetermined vertical drainage pipe or the like that discharges to an external sewer pipe or the like is provided as drainage equipment.

Further, the above-mentioned horizontal piping is normally arranged at a position lower than the receiving position of the wastewater from the utility facility due to the nature that the wastewater is transported by a natural gradient. . Therefore, in each dwelling unit, in order to store and arrange such horizontal pipes, the floor side has a double floor structure, and the underfloor space formed by the double floor structure is used as a storage space for the horizontal pipes. Was.

[0004]

However, as described above, in order to make the floor side of each dwelling unit have a double floor structure, there are a double floor part and a non-double floor part in the dwelling unit. In order to eliminate the finishing floor step between them, complicated work such as providing a pit on the floor side slab that should have a double floor structure was required.

Further, in order to eliminate the double floor structure which requires complicated work as much as possible, and therefore, to shorten the length of the above-mentioned horizontal pipe as much as possible, a vertical drain pipe is arranged in the vicinity of the utility equipment. The structure is also being implemented. However, with this structure, it is difficult to set the arrangement relationship of the vertical drainage pipes to the utility equipment in various ways, so that there is an inconvenience that the degree of freedom of the plane plan such as the arrangement of living rooms in each dwelling unit is restricted. Also, when there are multiple utility facilities, in order to minimize the length of the horizontal piping described above, a plurality of vertical drain pipes are provided, and the vertical drain pipes are arranged near each utility facility. It has been implemented. However, since the number of vertical drainage pipes increases in this structure, the space occupied by the pipe space etc. for storing vertical drainage pipes in each dwelling unit becomes large, and the degree of freedom in plan plans such as the layout of living rooms in each dwelling unit is increased. Is even more constrained.

[0006] Further, it is desired that the vertical drainage pipe is arranged by effectively utilizing an area that is difficult to use as a living room such as a wall wrinkle or the vicinity of a pillar.

Therefore, in view of the above circumstances, the present invention can be installed without the need for complicated work such as providing a pit or the like on the floor side slab, and the degree of freedom of a plan plan such as the arrangement of living rooms in each dwelling unit can be improved. Another object of the present invention is to provide a drainage facility in an apartment house that can be arranged by effectively utilizing an area such as a wall wrinkle or the vicinity of a pillar.

[0008]

That is, the first invention of the present invention has a plurality of slabs (3) provided in upper and lower layers, and a floor is provided between the vertically adjacent slabs (3, 3). Each space (5) is formed, and a plurality of dwelling units (6) and common areas (7, 10) are adjacent to each floor space (5) via predetermined partition members (8, 9, 2a). The dwelling units (6, 6) and the adjacent dwelling units (6) and the common area (7, 10) are partitioned from each other, and each dwelling unit (6) is provided.
And a ceiling plate member (12) between the ceiling plate member (12) and the upper slab (3) of the dwelling unit (6).
3) is formed in a form, and in the housing complex (1) in which the utility equipment (16) is installed in each of the dwelling units (6), a plurality of vertical slabs that vertically penetrate the plurality of slabs (3) are provided. Each of the vertical drain pipes (15) has a drain pipe (15).
Is a partition member (8, 9, 2a) in a shape corresponding to each dwelling unit (6) in each floor space (5).
Are installed in the areas (10a, 25, 26) adjacent to each other, and the utility equipment (16) of each dwelling unit (6) is installed.
And a sewage pump (17) for receiving the sewage discharged from the utility facility (16) and for pumping the received sewage to the outside. , A sewage transport pipe (19) in a form of connecting the sewage pressure pump (17) and the sewage drain pipe (15) between the sewage drain pipe (15) arranged corresponding to the dwelling unit (6) And the sewage transport pipe (19) is arranged so as to pass through the above-ceiling space (13) inside the corresponding dwelling unit (6).

A second aspect of the present invention is the drainage facility (30) in the housing complex (1) according to the first aspect, wherein each vertical drainage pipe (15) includes the partition member (8,
9 and 2a) are respectively arranged in the corner areas (10a and 26).

A third aspect of the present invention is the drainage facility (30) in the housing complex (1) according to the first aspect, wherein the predetermined partition members (2a, 9) are column members (2).
a) and a partition wall (9), each vertical drain pipe (1)
5) is arranged in a corner area (10a) formed by connecting the pillar member (2a) and the partition wall (9).

The numbers in parentheses are for convenience of showing the corresponding elements in the drawings, and the present description is not limited to the description in the drawings. The same applies to the following “action” column.

[0012]

In the first aspect of the present invention having the above-described structure, the wastewater discharged from the utility equipment (16) is received by the wastewater pressure pump (17), and the received wastewater is pressure-fed to the wastewater transport pipe (19). Therefore, the wastewater is transported to and discharged from the vertical drainage pipe (15) via the wastewater transport pipe (19), and then the wastewater is discharged to an external sewer pipe or the like via the vertical drainage pipe (15). To

Further, in the second aspect of the present invention, the vertical drain pipe (15) utilizes the corner area (10a, 26) which is a corner in the vicinity of a wall or a column. Will be placed.

Further, in the third aspect of the present invention, the vertical drain pipe (15) is provided at a corner of a wall such as a partition wall (9), near a column such as a column member (2a), and at a corner. The corner area (10a) that is a corner is used for arrangement.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan sectional view showing an example of drainage equipment in an apartment house according to the present invention, and FIG. 2 is a plan sectional view showing an apartment house in which the drainage equipment shown in FIG. 1 is adopted for each dwelling unit. FIG. 4 is a cross-sectional view taken along line X1-Y1 of FIG. 1, and FIG. 4 is a plan cross-sectional view showing another example of drainage equipment in an apartment house according to the present invention. FIG. 5 is a plan sectional view showing another example of the drainage facility in the apartment house according to the present invention, and FIG. 6 is a vertical sectional view showing another example of the drainage facility. FIG. 7 is a plan sectional view showing another example of the drainage facility, FIG. 8 is a detailed view of the partition wall inside the dwelling unit shown in FIG. 7, and FIG.
FIG. 8 is a view on arrow I in FIG. 7.

As shown in FIGS. 1 to 3, the condominium 1 which is an apartment house is composed of a plurality of columns 2a made of reinforced concrete which are erected on the ground or the like (not shown) and made of reinforced concrete supported by these columns 2a. Has a pillar / beam structure 2 composed of a plurality of horizontal beams (not shown), and the pillar / beam structure 2 supports a plurality of horizontal slabs 3 made of reinforced concrete in upper and lower layers. ing. Therefore, the floor space 5 is formed between the slabs 3 and 3 that are vertically adjacent to each other.

Each floor space 5 extends in the horizontal direction of arrows A and B in FIG. 2, and each floor space 5 has
A plurality of dwelling units 6 are arranged and arranged in a line in the directions of arrows A and B. Further, in each floor space 5, a common corridor 7 extending in the directions of arrows A and B is provided adjacent to the plurality of dwelling units 6 arranged in a row, and adjacent to the directions of arrows A and B. The space between the dwelling units 6 and 6 is a column 2 adjacent to the directions of arrows C and D in FIG. 1, which are horizontal directions perpendicular to the directions of arrows A and B.
It is partitioned by a reinforced concrete partition wall 9 and the like installed between a and 2a so as to extend in the directions of the arrows C and D and connected to the columns 2a and 2a.

The arrow C side of the common corridor 7 (that is, the common corridor 7
On the side of the plurality of dwelling units 6 adjacent to, a plurality of alcove parts 10 are provided as a common area in a form continuous with the common corridor 7 and thus protruding from the common corridor 7 in the direction of arrow C. The alcove units 10 are arranged in a one-to-one correspondence with the dwelling units 6 adjacent to the common corridor 7. That is, each alcove portion 10 is arranged in such a manner that the corresponding dwelling unit 6 is recessed in the direction of the arrow C, and each alcove portion 10 has a partition wall 9 (hence at least the adjacent dwelling unit 6 is adjacent thereto). It is arranged in the vicinity of one partition wall 9) along the partition wall 9. In addition, the entrance door 11 of the corresponding dwelling unit 6 is installed on the end side on the arrow C side of each alcove unit 10, and between each dwelling unit 6 and the common corridor 7 and between the dwelling unit 6 and the dwelling unit 6. The space between the alcove portions 10 corresponding to 6 is partitioned by a partition wall 8 except the entrance door 11. A corner area 10a as a part of the dwelling unit 6 corresponding to the alcove portion 10 is formed between each alcove portion 10 and the adjacent partition wall 9 along the alcove portion 10 ( The corner area 10a may be a dedicated area for the dwelling unit 6 or a common area corresponding to the dwelling unit 6.) This corner area 10a, as shown in FIG.
This is an area formed by connecting the pillar 2a and the partition wall 9, and is an area adjacent to the pillar 2a and the partition wall 9.

Inside each dwelling unit 6, as shown in FIG. 3, a horizontal ceiling plate 12 is installed on the ceiling side, and between the ceiling plate 12 and the slab 3 above the dwelling unit 6. A ceiling space 13 is formed in the ceiling. In addition, among the floor spaces 5 of the condominium 1, the positions of the dwelling unit 6, the common corridor 7, the alcove portion 10, the corner area 10a, and the like are vertically aligned and matched.

On the other hand, in the condominium 1, a plurality of vertical drain pipes 15 extending vertically for draining sewage and the like from each dwelling unit 6 to the outside (for example, a sewer pipe) are provided. Therefore, the vertical drainage pipes 15 are provided so as to penetrate the floor spaces 5 vertically.
Is one to one for each dwelling unit 6 in each floor space 5.
Correspondingly arranged in. Further, the vertical drain pipe 15 corresponding to each dwelling unit 6 is housed in the corner portion 10 a of the dwelling unit 6. That is, the corner portion 10 a serves as a pipe space for the vertical drain pipe 15. In this case, as shown in FIG.
Since the corner portion 10a which is a pipe space is close to the alcove portion 10 which is a common area, the vertical drain pipe 15 housed in the corner portion 10a can be easily maintained or updated from the alcove portion 10 side. It is convenient.

Further, as shown in FIGS. 1 and 3, water is used in each dwelling unit 6, such as a bathroom, a toilet, and a washroom, and a plurality of wastewater (3 in FIG. Utility facility 16 is provided, and each utility facility 16 has a drainage portion 16a (shown by a broken line) for draining the wastewater generated in the utility facility 16 to the outside.
Are provided respectively. A horizontal pipe 21 (illustrated by a broken line) is connected to each of the drainage portions 16a, and a side of the horizontal pipes 21 opposite to each drainage portion 16a is connected to a suction portion 17a of one pressure feed pump 17. It is connected. That is, the pressure-feed pump 17 is configured to be capable of sucking sewage and the like from the suction part 17a and pressure-sending and discharging the sewage and the like from the discharge part 17b to the outside. The discharge portion 17b of the pressure pump 17 has a transport pipe 19 such as a flexible pipe.
One (indicated by a chain double-dashed line in FIGS. 1 and 2) is connected, and the side of the transport pipe 19 opposite to the discharge portion 17b extends substantially vertically from the discharge portion 17b to the ceiling. Board 12
To reach the ceiling space 13. Further, the transportation pipe 19 extends horizontally in the ceiling space 13 and reaches the corner area 10a of the dwelling unit 6. The tip of the transport pipe 19 that has reached the corner area 10a is
It is connected to the vertical drain pipe 15 housed in a. In addition, the pressure pump 17 and the transport pipe 1 described above.
9, the vertical drain pipe 15 and the like constitute the drainage facility 30 of the condominium 1.

Since the condominium 1 and the drainage facility 30 are configured as described above, in order to drain the wastewater from each utility facility 16 of each dwelling unit 6 to the outside by the drainage facility 30, each utility must first be drained. Sewage discharged from the drainage section 16 a of the facility 16 is supplied to the pressure pump 17 via the horizontal pipe 21. That is, the sewage transported by each lateral pipe 21 is supplied to the pressure pump 17 by the suction part 17 a of the pressure pump 17 and sucked. The sewage sucked from the suction part 17a is pressurized by the pressure pump 17 and pressure-fed to the transport pipe 19 via the discharge part 17b. Therefore, the sewage is transported and discharged to the vertical drain pipe 15 through the transport pipe 19. Then, the sewage is discharged to an external sewer pipe or the like (not shown) through the vertical drain pipe 15.

In the above-mentioned embodiment, each dwelling unit 6 is provided with one pressure pump 17, and therefore a plurality of pumps (see FIG. 1) are provided.
In this case, one utility pump 16 was provided for each of the three utility facilities 16. But,
As shown in FIG. 4, one pressure pump 17 may be provided for each utility facility 16. For example, by providing one pressure pump 17 for one utility equipment 16 in the vicinity thereof, the drainage portion 16a of each utility equipment 16 can be provided.
Then, the distance between the suction pipe 17 and the corresponding suction portion 17a of the pressure pump 17 can be shortened as much as possible, so that the length of the lateral pipe 21 can be shortened as much as possible. That is, it is convenient because the space for disposing the lateral pipe 21 can be as small as possible.

Further, in the above-mentioned embodiment, the vertical drain pipe 15
Is an area formed by connecting the pillar 2a and the partition wall 9, and was housed in the corner area 10a which is an area adjacent to the pillar 2a and the partition wall 9, but according to the present invention, The vertical drain pipe 15 is, for example, as shown in FIG. 4, a wall crease region 25 (illustrated by a chain double-dashed line) which is a region of the partition wall 9, or a corner region 26 formed by the partition wall 8.
It may be housed and arranged (illustrated by a chain double-dashed line).

Further, the drainage facility 30 according to the present invention shown in the above-mentioned embodiment requires a double floor structure to house the pressure pump 17 and the transport pipe 19 between the utility facility 16 and the vertical drainage pipe 15. Therefore, the double floor structure of each dwelling unit 6 does not increase or decrease due to the difference in the distance or positional relationship between the utility equipment 30 and the vertical drain pipe 15, and therefore the vertical drain pipe 15 for the utility equipment 30 does not increase or decrease. It is possible to variously set the arrangement relations of. That is, it is possible to improve the degree of freedom of the plan plan such as the arrangement of living rooms in each dwelling unit 6 and the arrangement of the utility equipment 30. Therefore, as shown in FIG. 5, each dwelling unit 6
The arrangement mode of the utility equipment 30 can be different for each.

A drainage facility 50 different from that of the above-described embodiment
Will be described. For example, as shown in FIG. 6, dirty water from the utility facility 16 is pressure-fed to the transport pipe 19 via the pressure pump 17, and is drained to the vertical drain pipe 15 through the transport pipe 19. By the way, a floor board 51 is installed in each dwelling unit 6 to form a double floor space, and the transport pipe 19 is arranged so as to pass through the double floor space. In the drainage facility 50 configured as described above, the wastewater is pumped to the transport pipe 19 via the pressure pump 17, so that the transport pipe 19 does not need a natural gradient. That is, there is an advantage that the vertical width of the double-floor space can be small because the natural gradient is not required for the transport pipe 19. As yet another embodiment, since the transport pipe 19 does not need a natural gradient, the transport pipe 19 may be embedded in the floor slab 3 (not shown).

A drainage facility 60 different from that of the above-mentioned embodiment
Will be described. For example, as shown in FIGS. 7 to 9, sewage from the utility equipment 16 is pressure-fed to the transport pipe 19 via the pressure pump 17, and is drained to the vertical drain pipe 15 through the transport pipe 19. There is. By the way, in each dwelling unit 6, a partition wall 61 in the dwelling unit is installed so as to partition a room in the dwelling unit 6, and the partition wall 61 in the dwelling unit has a hollow wall space 62 formed therein. There is. That is, the transport pipe 19 is arranged so as to pass through the wall space 62. Further, the transport pipe 19 may be arranged so as to be embedded in the partition wall 9 that partitions the dwelling units 6, 6. In this way, the transport pipe 19 may be arranged in the wall space or embedded in the wall, and the drainage facility 60 configured in this way does not require a double floor structure. There are advantages.

[0028]

As described above, the first aspect of the present invention has the slabs such as a plurality of slabs 3 provided in the upper and lower layers, and the floor space 5 is provided between the vertically adjacent slabs.
And the like, and a plurality of dwelling units such as dwelling units 6 and a common corridor 7, and an alcove section 1 are formed in the respective floor spaces.
A common area such as 0 is provided in the form of partitioning between adjacent dwelling units and between adjacent dwelling units and the common area via a predetermined partition member such as the partition wall 8, the partition wall 9, and the pillar 2a. A ceiling plate member such as a ceiling plate 12 is provided in a dwelling unit in a form in which an under-ceiling space such as a ceiling space 13 is formed between the ceiling plate member and an upper slab of the dwelling unit, and a utility facility is provided in each dwelling unit. In an apartment house such as a condominium 1 in which utility facilities such as 16 are installed, there are a plurality of vertical drain pipes such as a vertical drain pipe 15 vertically penetrating the plurality of slabs, and each vertical drain pipe is In each of the floor spaces, a corner area 1 adjacent to the partition member in a shape corresponding to each of the dwelling units
0a, wall area 25, corner area 26, etc., respectively, and the utility equipment of each dwelling unit receives the wastewater discharged from the utility equipment, and can pump the received wastewater to the outside. A form in which sewage pressure pumps such as pumps 17 are provided respectively, and the sewage pressure pumps and the vertical drain pipes are connected between the sewage pressure pumps of the respective dwelling units and the vertical drain pipes arranged corresponding to the dwell units. A waste water transport pipe such as a transport pipe 19 is provided in the above, and the waste water transport pipe is arranged so as to pass through the space above the ceiling inside the corresponding dwelling unit. To drain the wastewater from the utility equipment to the outside, the wastewater discharged from the utility equipment is received by the wastewater pressure pump, and the received wastewater is pumped to the wastewater transportation pipe. Through the tube transporting discharged into a vertical discharge pipe, then to be discharged to the outside of the sewer pipe or the like through the 該竪 drainage pipe soil water. In other words, since the pressure of the wastewater pump is used to transport the wastewater between the utility equipment and the vertical drainage pipe, it is possible to omit the means for transporting the wastewater with a natural gradient as in the conventional horizontal piping. it can. That is, since the horizontal pipes and the like that have a restriction on the pipe slope are omitted as much as possible, and instead, the sewage pressure pump and the sewage water transfer pipe that have no restrictions on the pipe slope are adopted, so that the sewage water transfer pipe and the like are stored and arranged. Since there is no need for an underfloor space due to the conventional double-floor structure, therefore, it is possible to minimize the necessity of performing a complicated work such as a double-floor structure on the floor side of each dwelling unit when installing drainage equipment. Further, in the present invention, the space above the ceiling is effectively used for housing and disposing the wastewater transport pipe. Further, in the present invention, since the double floor structure is not required to house the sewage pump and the sewage transport pipe between the utility facility and the vertical drain pipe, the distance between the utility facility and the vertical drain pipe is not required. The double-floor structure of each dwelling unit does not increase or decrease due to the difference in the positional relationship, and therefore, the layout relationship of the vertical drainage pipes with respect to the utility equipment can be variously set without inconvenience. That is, it is possible to improve the degree of freedom of the planar plan such as the arrangement of living rooms in each dwelling unit. On the contrary, vertical drainage pipes can be installed at positions that are easy to implement, and a plan that meets the needs of residents can be realized. Further, in the present invention, as described above, it is possible to omit the conventional horizontal piping, etc. as much as possible, thereby reducing the double floor structure as much as possible, for example, even when there are a plurality of utility equipment in each dwelling unit. As in the prior art, it is not necessary to arrange one vertical drain pipe near each utility facility to shorten the length of the horizontal pipe and reduce the double floor structure. Therefore, according to the present invention, one vertical drainage pipe and a plurality of utility facilities are connected by a wastewater transportation pipe or the like without inconvenience of increasing the double floor structure of each dwelling unit as much as possible. Since the number of pipes can be kept as small as possible, the space occupied by the pipe space for storing vertical drainage pipes in each dwelling unit will be as small as possible, and the degree of freedom in plan plans such as the layout of living rooms in each dwelling unit will be improved. To be done. In the present invention,
Since the vertical drainage pipe is arranged in a region such as a wall or a vicinity of a pillar, that is, a region adjacent to the partition member, this region, which is difficult to use as a living room, is effectively used.

A second aspect of the present invention is the drainage facility for a housing complex according to the first aspect, wherein each of the vertical drainage pipes has a corner area 10a, 2 adjacent to the partition member.
Since the vertical drainage pipes are arranged in the corner areas such as 6 and the like, the vertical drainage pipes are arranged in the vicinity of the wall crease or the pillar, and the areas having the corner angles are used. Therefore, in addition to the effect of the first invention, the installation of the vertical drainage pipe is convenient because this area, which is difficult to use as a living room, can be effectively used.

A third aspect of the present invention is the drainage facility for a housing complex according to the first aspect, wherein the predetermined partition member includes a column member such as a column 2a and a partition wall such as a partition wall 9. Since each of the vertical drainage pipes is arranged in a corner area such as a corner area 10a formed by connecting the column member and the partition wall, the vertical drainage pipe is a wall wall like a partition wall. Or in the vicinity of a pillar such as a pillar member,
Moreover, they are arranged by utilizing the regions having the corners. Therefore, in addition to the effect of the first invention, the installation of the vertical drainage pipe is convenient because this area, which is difficult to use as a living room, can be effectively used.

[Brief description of the drawings]

FIG. 1 is a plan sectional view showing an example of drainage equipment in an apartment house according to the present invention.

FIG. 2 is a plan sectional view showing an apartment house in which the drainage system shown in FIG. 1 is adopted for each dwelling unit.

FIG. 3 is a sectional view taken along line X1-Y1 of FIG. 1;

FIG. 4 is a plan sectional view showing another example of drainage facilities in an apartment house according to the present invention.

FIG. 5 is a plan sectional view showing an apartment house in which another example of the drainage facility in the apartment house according to the present invention is adopted for each dwelling unit.

FIG. 6 is a vertical cross-sectional view showing another example of the drainage facility.

FIG. 7 is a plan sectional view showing another example of the drainage facility.

FIG. 8 is a detailed view of the partition wall inside the dwelling unit shown in FIG. 7.

9 is a view taken in the direction of the arrow I in FIG. 7.

[Explanation of symbols]

 1 ... Apartment (condominium) 2a ... Partition member, pillar member (pillar) 3 ... Slab 5 ... Floor space 6 ... Dwelling unit 7 ... Common area (shared corridor) 8 ... Partition member (partition wall) 9 ... Partition member, partition wall (partition wall) 10 ... Common area (alcove part) 10a ... Area, corner area (corner area) 12 ... Ceiling board member (ceiling board) 13 ... Ceiling space (Ceiling space) 15 ... Vertical drainage pipe 16 ... Utility equipment 17 ... Sewage pressure pump (pressure pump) 19 ... Sewage transport pipe (transport pipe) 25 ... Region (wall wall region) 26 ... Region, Corner area (corner area) 30 ... Drainage facility

Claims (3)

[Claims] 1. A plurality of slabs provided in upper and lower layers, a floor space is formed between the vertically adjacent slabs, and a plurality of dwelling units and a common area are provided in each floor space with a predetermined partition member. Through the, between adjacent dwelling units, and provided adjacent to each other between the dwelling unit and the common area, a ceiling plate member in each of the dwelling units, a ceiling between the ceiling plate member and the slab above the dwelling unit. Provided in a form that a back space is formed, in an apartment house in which utility equipment is installed in each of the dwelling units, a plurality of vertical drain pipes having a shape that vertically penetrates the plurality of slabs are provided, and each vertical drain pipe is In each of the floor spaces, in a form corresponding to each of the dwelling units, is arranged in an area adjacent to the partition member, and the utility equipment of each of the dwelling units receives and receives the wastewater discharged from the utility equipment. A sewage pump for pumping the taken sewage to the outside is provided, and the sewage pump for each dwelling unit and the vertical drain pipe arranged corresponding to the dwelling unit are provided between the sewage pump and the vertical drainage pipe. A drainage facility in an apartment house, wherein a sewage transportation pipe is provided by connecting pipes, and the sewage transportation pipe is arranged so as to pass through the space above the ceiling inside the corresponding dwelling unit. 2. The drainage equipment in an apartment house according to claim 1, wherein each of the vertical drainage pipes is arranged in a corner area adjacent to the partition member. 3. The predetermined partition member has a column member and a partition wall, and each vertical drainage pipe is arranged in a corner area formed by connecting the column member and the partition wall. The drainage facility in an apartment house according to claim 1, wherein