6 questions Intermediate

ECADEMY test

4 - Wastewater in commercial buildings

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Question 6 of 6 Intermediate

Would you recommend drainage around a building if there was soil of permeability and the groundwater level was above drainage level?

Question 6 of 6 Intermediate

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Correct
Q: Why is a lifting station an optimal solution for basement refurbishments?
A: A lifting station is flexible, easy to service, cost effective, provides protection against flooding and is odour free. It can also be connected to the existing drainage pipe easily.
Correct
Q: Why can it be a challenge to install a pumping pit outside a building when removing grey or black wastewater from below sewage level?
A: A pumping pit installation calls for longer planning and installation time, more excavation time and higher excavation costs, as well as a higher initial investment.
Correct
Q: How can you tell if you need to establish a drainage system as part of your building project?
A: By conducting a thorough pre-investigation of the conditions of the soil, the groundwater conditions, and the drainage situation on neighbouring lots.
Correct
Q: When is it ideal to use a lifting station as a pressurised system for wastewater removal in commercial buildings?
A: When sanitary appliances are installed in the basement of an existing building, when space outside the building is limited or when excavation conditions are difficult.
Correct
Q: What makes the Grundfos MULTILIFT easy to install?
A: The system comes pre-assembled with a freely adjustable inlet and many other installer benefits
Correct
Q: Would you recommend drainage around a building if there was soil of permeability and the groundwater level was above drainage level?
A: Yes