Sanitation
Bathroom (original state), marking the sanitation.
The plumbing of the house consequently needs a sanitary installation.
Taking a look to the bathroom, we can see that the sink's drainage has an individual syphon, right below a manual valve. Also, there is no collective syphon can seen in the floor, so we can guess that every other sanitary component has an individual syphon on its drainage. But for the toilet, we can know for sure that it has an internal syphon (either directed to the floor or to the wall.
Continuing with the toilets, we don't know how could Amancio have solved the distance between bathrooms. It is common nowadays to have a downspout (that can be shared with various toilets) in a ratio of less than 1m away from the toilet, where it's directly connected.
Illustration of the sink's syphon functioning.
It is logical to think that, as the other installations, the sanitation should connect to the general network through the installations room. But there is a problem related to the stream that crosses the land under the house, and the service bathroom in the lower level of the building.
As we can see on the floor plans below, the service's bathroom and the installation room are in opposite shores of the stream. It would be best for the sanitary sewage not to cross below the water stream, as it would made that section difficult to access during maintenance, it could leak contaminated water to the stream in the case of a leak, and it also may lead to problems with the tube's inclination.
There is the sighting of a rainwater downspout sewage from the flat rooftop of the building. The downspout is attached to the wall separating the piano area of the kitchen, and goes down right behind the service's bathroom un the lower floor.
This rainwater downspout could have been discharging directly to the Arroyo de las Chacras, being a separate sanitation network of the one from the building. But the most convenient way would to think of a unitary sewage network, mixing all the sanitation waters from the house.
The recommended order of the sanitation network to avoid bad smells or other contaminant problems would be: first, rainwater, then the laundry (non applicable), the kitchen, and eventually the bathrooms.
Rooftop rainwater sewage (pre-restoration state).
Taking all this into account, we can build two hypothesis:
- Hypothesis A: The sanitary installation is divided in two parts, having access to the general network from two different points (one at each shore of the stream). This would be difficult in the execution, and a little inconvenient for maintenance, but best due to the house's distribution, as the water of the two upper bathrooms would go to the western shore, and in order, the grey water of the kitchen would reach a manhole where it would eventually meet rainwater from the rooftop, then the service's bathroom at the low level, and finally would go to the general network by the east shore. of the stream.
- Hypothesis B: The sanitary sewage would go in an opposite direction of the other installations, getting out of the house to be connected to the general network from the service's bathroom. The rainwater sewage may meet the rest of the building's sanitary network at the same downspout, and then be directed to the general network parallel to the eastern shore of the Arroyo de las Chacras. Due to the building's distribution, this option would not be desirable because the bathroom's sanitation water would meet the kitchen's sewages and not the other way around, as recommended. It could kinf od be solved by installing the bathroom's sewages deeper than the kitchen's.
We can take a look at these floor plans to graphically express these hypothesis:
Hypothesis A
Hypothesis B
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