Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This is a very detailed lecture note about vacuum sewer systems. It contains descriptions, technical graphs and calculations about a vacuum sewer system.
PDH ENGINEER (2007): Vacuum Sewers: Design and Installation Guidelines. Alexandria, Virginia: Water Environment Federation URL [Accessed: 29.05.2019]