[Case Study - 60] Adding a new restroom in the building basement with Saniflo

Need to add a basement restroom while the building remains in normal operation? Discover how the Sanitoilet solution with a Saniflo macerator pump helps solve the wastewater drainage challenge in District 7.

Case studies|

4 min read

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Published on 10/22/2026

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At a project in District 7, the owner wanted to add a new restroom in the basement to improve convenience within the building and potentially meet the future needs of housekeeping and security staff. However, adding a new restroom while keeping the building operating as normal was not a simple task. Explore how SFA Pumps addressed this challenge with a Sanitoilet solution. 

 

Key Highlights

  • Context: The project in District 7 required an additional restroom to improve convenience in the building.
  • Challenge: The existing layout made it difficult to connect wastewater from the new restroom to the septic tank through conventional gravity drainage.
  • Solution: A Sanitoilet solution with a Saniflo macerator pump was selected to collect and pump wastewater to the septic tank.
  • Result: The new restroom was completed, adding convenience and potentially meeting future needs.

 

The challenge

The project in District 7 required an additional restroom to improve convenience in the building. As the building remained in operation, the installation plan needed to suit the existing space and minimize disruption to daily activities.

However, the existing layout made it difficult to connect wastewater from the new restroom to the septic tank through conventional gravity drainage. The project therefore required an approach that could suit the site conditions and support the connection between the new facility and the existing drainage system.

 

Project equirements

To add the new restroom, the project required a solution that could support the wastewater connection to the existing septic tank. The approach also needed to improve convenience in the building and potentially meet the future needs of housekeeping and security staff.

The main requirements included:

  • Adding a new restroom.
  • Improving convenience in the building.
  • Supporting potential future use by housekeeping and security staff.
  • Connecting wastewater from the new facility to the existing septic tank.
  • Fitting the existing space and an operating building.
  • Minimizing disruption to ongoing activities.

 

Solution

To meet these requirements, SFA Pumps proposed a Sanitoilet solution with a Saniflo macerator pump. Saniflo is a toilet waste macerator pump designed to collect, macerate solid waste and pump wastewater to a suitable discharge point.

In this project, Saniflo supports the connection between the new restroom and the building’s existing septic tank. The unit collects wastewater and macerates solid waste before pumping the wastewater to the receiving point. This provides an alternative when a conventional gravity drainage connection is not suitable.

The Saniflo solution also allows the project to consider adding a restroom in a location where a direct connection to the traditional drainage system may be difficult. This gives the building another option when improving convenience while maintaining its existing operation.

The actual installation arrangement should be determined based on the unit location, connected sanitary fixtures, discharge pipe route and connection point at the septic tank. These factors should be checked before installation to ensure that the solution suits the project conditions.

Learn more about toilet macerator pumps in the Sanitoilet range or explore featured projects from SFA Pumps.

 

Project Result

The new restroom was completed, adding convenience to the building. It may also meet the future needs of housekeeping and security staff.

Saniflo supports the wastewater connection from the new restroom to the building’s existing septic tank. As a result, the project had an approach suited to connecting the new facility with the existing drainage system.

The project shows how a macerator pump can be considered when a building needs to add a restroom in a location where conventional gravity drainage is not suitable. The specific arrangement should still be selected according to the installation conditions and requirements of each project.

 

Conclusion

The District 7 project shows how a Sanitoilet solution with a Saniflo macerator pump can support the addition of a restroom in an operating building. The unit collects, macerates solid waste and pumps wastewater to the septic tank according to the project arrangement.

When a building needs to improve convenience by adding a restroom, the owner should consider the intended use, available space and wastewater connection requirements together. If your project needs to add a restroom in a location that is difficult to connect to the existing drainage system, contact SFA Pumps  to discuss a suitable solution.

DOWNLOAD FULL PROJECT HERE 

FAQs

Any questions ?

  • Saniflo is a toilet waste macerator pump in the Sanitoilet range. It collects, macerates solid waste and pumps wastewater to a suitable discharge point.

  • Saniflo can be considered for projects that need to add a toilet in a location where connecting to a conventional gravity drainage system may be difficult. The specific arrangement depends on the site conditions.

  • No. Saniflo is a macerator pump that collects, macerates solid waste and pumps wastewater to a septic tank or another suitable discharge point. It supports the wastewater connection but does not replace the building’s septic tank.

  • The new restroom was not easy to connect to the existing septic tank through conventional gravity drainage. Saniflo was proposed to support the wastewater connection between the new facility and the building’s existing system.

  • The unit location, connected fixtures, discharge pipe route and connection point at the septic tank should be checked. These factors help determine an arrangement that suits the project.

  • Saniflo is a toilet waste macerator pump in the Sanitoilet range. It collects, macerates solid waste and pumps wastewater to a suitable discharge point.

  • The new restroom was not easy to connect to the existing septic tank through conventional gravity drainage. Saniflo was proposed to support the wastewater connection between the new facility and the building’s existing system.

  • Saniflo can be considered for projects that need to add a toilet in a location where connecting to a conventional gravity drainage system may be difficult. The specific arrangement depends on the site conditions.

  • The unit location, connected fixtures, discharge pipe route and connection point at the septic tank should be checked. These factors help determine an arrangement that suits the project.

  • No. Saniflo is a macerator pump that collects, macerates solid waste and pumps wastewater to a septic tank or another suitable discharge point. It supports the wastewater connection but does not replace the building’s septic tank.