Since the rooms were not marked in the architectural model, before MEP systems designing, we will indicate the location of bathrooms on the second floor.

Move to the 02-Floor.

1. Click the Open Project Explorer button, click the 02-Floor thumbnail.
2. On the Tools panel, click Designation – Room.
3. Make sure that it is Automatically by point construction mode.
4. On the Domestic cold water tab, connect the Two-piece toilet tile with the Connect. CW tile.

	Room number.	2.11
	Room name.	Bathroom
	Room height.	3000

5. Left-click any point inside the room. Add designations of bathrooms as shown down below:
   

Let's move to pipe systems design. In the beginning, we will place plumbing fixture equipment (toilet, washbasin, shower tray) and design a riser pipe. The riser pipe is supposed to get through all the floors.

Move to the 02-Floor. Let's start building with bathroom 2.41. Here, we will place route points the riser pipe is supposed to be getting through.

1. On the 3D view, right-click the 02-Floor level icon and select Place Work Plane and then Isolate.
2. On the Tools panel click Designation – Route Point .
3. Specify the following parameters:

	Route point name.	SS-1
	Level	02-Floor
	Vertical offset.	0

4. Right-click the work plane to switch the measure mode. On the shortcut menu, select Measure mode – Rectangular.
5. Using the snap to the top-left angle of the opening, place a route point in the shaft at the distance of 200 mm from the left wall and 100 mm from the top one.


6. Select the Select tool.
7. Copy created route point by pressing CTRL and place it so that it would match the initial route point.


8. Select one of the route points and change the parameters in the following way:

	Level	01-Floor
	Vertical offset.	-500

9. Select the other route point and change the parameters as below:

	Level	Attic Floor
	Vertical offset.	500

Let's move to plumbing fixture arrangement of domestic sewage system.

Use the existing plumbing fixture style to create the toilet:

1. On the Tools panel, click the Plumbing fixture tool.
2. Specify the following parameters:

	Plumbing fixture position relative to axis.	Bottom-Center
	Plumbing fixture style.	Two-piece toilet
	Level	02-Floor

3. Place the toilet to the right of the shaft, at a distance of 450 mm from the corner and 200 mm from the wall.

Let's create new Plumbing fixture styles to place a Shower tray.

1. On the Tools panel, click the Plumbing fixture tool.
2. On the Plumbing fixture styles list, select Other.
3. Click the New plumbing fixture style button, type the Shower tray (right hand) name.
4. In the top-right part of the editor, on the Plumbing fixture category list, select the Shower tray option.
5. In the Parameters window, specify the following values:

General
	Material	none
Overall dimensions
	Shower tray type	Rectangular
	Shower tray width	700
	Shower tray depth	1100
	Shower tray height	Pipe material Polypropylene random copolymer
	Shower tray legs height	250
Domestic sewage
	Connection type	Spigot and Socket
	Nominal diameter	50

6. Click OK.
7. Create one more style with the Shower tray (left hand) name and parameters as below:

General
	Material	none
Overall dimensions
	Shower tray type	Rectangular
	Shower tray width	1100
	Shower tray depth	700
	Shower tray height	Pipe material Polypropylene random copolymer
	Shower tray legs height	250
Domestic sewage
	Connection type	Spigot and Socket
	Nominal diameter	50

8. Click OK.
9. Click the Plumbing fixture tool. Specify the following parameters:

	Plumbing fixture position relative to axis.	Bottom-Right
	Plumbing fixture style.	Shower tray (right hand)
	Level	02-Floor

10. Place the shower tray next to the wall, in front of the shaft.

To create a washbasin with cabinet, let's copy an object from another project.

1. Open the Objects.rnp project.
2. Select washbasin and press Copy (CTRL+C).
3. Return to the current project.
4. Press Paste (CTRL+V).
5. On the Parameters panel, specify the angle:

Precession.

90

6. Place the sink in the corner near the door:

Let's fix the position of the bathroom door:

1. Select the door.
2. Click on the left handle and move the door to snap it into the corner of the room.
   

At this step, we will define relationship between plumbing fixture equipment, will lay pipes and place required elbows and tees.

The plumbing fixture connection process is taken in the priority order, the master plumbing fixture equipment should be connected first.

Riser Pipe Creation

1. On the Primary panel, click Manage styles and select Pipe system parameters option.
2. Select the Domestic sewage option on the left.
3. On the Parameters tab, specify the following:

Main line
	Main line Route height	100
	Offset	100
	Pipe material	Polypropylene
	Connection type	Spigot and Socket
Branch line
	Main line Route height	70
	Offset	100
	Pipe material	Polypropylene
	Connection type	Spigot and Socket

4. On the Pipe styles tab, select only the Pipe - PP 110x2.2 value for the main and branch lines.
5. On the Pipe fitting styles tab, select all the available values, to do this, select Check All in the context menu of any list item.
6. Click OK.
7. Before making a connection, select the System style - Domestic sewage in the Parameters panel on the right.
8. On the Domestic sewage tab, connect the Route points placed before. Left-click the point on the first SS-1 tile, then left-click the second SS-1 tile.


9. You will see created sewage riser pipe on the 3D view tab. Use the Hide command from the shortcut menu to hide unnecessary objects.

Toilet Connection

1. On the Domestic Sewage tab, on the Parameters panel, set the Slope - 20 ‰.
2. Connect the Two-piece toilet tile with the connection between SS-1 tiles.


3. Select the resulting section of the route and select Flip to change the direction of the route in the Commands panel.
   
   
4. You will see the result on the 3D view tab.


5. Edit the route.
1. Right-click the work plane to switch the measure mode. On the shortcut menu, select Measure mode – Cubic.
2. For easy editing, hide the unnecessary objects. Change the visual style of Toilet, Washbasin and Shower tray to Wireframe by using the shortcut menu.
3. Right-click the pipe, select Visual style – Wireframe on the shortcut menu.
4. Click the route in the middle of the pipe to show vertices.


5. Select the vertex on the route, next to the toilet. Move the vertex closer to the connection point of the toilet to change the pipe angle.


6. Left-click to fix the position of the route.
7. All that's left is to place an elbow. On the Tools panel, click the Pipe fitting tool.
8. On the parameters, select the Elbow 87,5° PP 110 Pipe fitting style.
9. Place the elbow on the pipe angle. If the sign appears on a pipe segment, select it and delete it.

Washbasin Connection

1. On the Primary panel, click Manage styles – Pipe systems and select Pipe system parameters option.
2. Select the Domestic sewage option on the left.
3. On the Parameters tab, specify the following parameters:

Main line
	Main line Route height	100
	Offset	100
	Pipe material	Polypropylene
	Connection type	Spigot and Socket
Branch line
	Main line Route height	70
	Offset	100
	Pipe material	Polypropylene
	Connection type	Spigot and Socket

4. On the Pipe styles tab, select only the Pipe - PP 50x1.8 value for the main and branch lines.
5. On the Pipe fitting styles tab, select elbows and tees.
6. Click OK.
7. On the Domestic Sewage tab, on the Parameters panel, set the Slope - 30 ‰.
8. Connect Washbasin tile with the connection leading to the Toilet tile.


9. The result will be shown on the 3D tab.


10. Right-click the pipe, select Visual style > Wireframe on the shortcut menu.
11. Select the route inside the pipe.
12. Click the vertex under the corner.
13. In the dynamic input fields, specify a distance of 800 mm on the Y axis.


14. Left-click to fix the pipe position.
15. Select the route inside the pipe again.
16. Move the end of the pipe so that it is cut into the pipe from the toilet.
    
17. Select Measure mode – Cylindrical in the shortcut menu.
18. Select a route. Move the pointer onto the vertex and click Add vertex.
19. Place the point so that pipes with different diameters are perpendicular to each other. Fix the new vertex at the intersection of the projections.

The pipe is in finished state now, all that's left is to place pipe fittings.

1. On the Tools panel, click the Pipe fitting tool.
2. In the Parameters, select the Elbow 45° PP 50 Pipe fitting style.
3. Put the tee to the connection spot of the washbasin and the sewage pipe.


4. Then On the Tools panel, click the Pipe fitting tool.
5. Then select the Tee 87,5° PP 110x50x110 Pipe fitting style.
6. Put the tee to the connection spot of the washbasin and the sewage pipe.


7. Select the resulting route and move the segment bounded by the elbows beyond the midpoint:
   
8. 
9. The washbasin connection is finished.

Shower Tray Connection

Shower tray should be connected to the pipe, leading from the washbasin.

1. On the Primary panel, click Manage styles – Pipe systems and select Pipe system parameters option.
2. Select the Domestic sewage option on the left.
3. On the Parameters tab, specify the following:

Main line
	Main line Route height	100
	Offset	100
	Pipe material	Polypropylene
	Connection type	Spigot and Socket
Branch line
	Main line Route height	100
	Offset	500
	Pipe material	Polypropylene
	Connection type	Spigot and Socket

4. On the Pipe styles tab, select only the Pipe - PP 50x1.8 value for the main and branch lines.
5. On the Pipe fitting styles tab, select elbows and tees.
6. Click OK.
7. On the Domestic sewage tab, connect the Shower tray tile with the connection leading to the Washbasin tile.

Let's edit the route, because it was not built correctly.

1. Remove the extra vertices and the pipe will be built.
2. Select Place parts on route command on the shortcut menu. In the Pipe System Parameters window that appears, turn off the eblows and click OK.

The placement of the sewer pipes in the bathroom 2.41 is completed.