Inputting pump curves: Firewater systems often have pump curves, and it is necessary to learn how to input vendor-provided pump-performance curves. However, in order to be able to fully utilise the capabilities of PIPENET VISION for modelling firewater ringmain systems, we have to learn the following new aspects. The basic principles of setting up a network are the same as for deluge systems (and is covered in Chapter 1 of the Spray/Sprinkler Training Manual). In this chapter, we shall see how to model firewater ringmain systems in detail. We also saw why it is better to model deluge systems separately from firewater ringmains. In the previous chapter, we looked in detail at how deluge systems are modelled.
The material in this document is partly for discussion and partly for actual input. We give some hints and tips for refining the design in Chapter 11, and conclude with an example of a real firewater ringmain in Chapter 12. In Chapter 10, we describe techniques for selecting pumps. Systems based on clack shut type deluge valves are discussed in Chapter 8, and systems based on elastomeric type deluge valves are discussed in Chapter 9. In Chapter 7, we describe in detail how to input the network. The different phases of input (namely, initialisation and libraries) are discussed in Chapter 6. Chapter 4 contains a discussion on how to model firewater ringmain systems, and Chapter 5 contains information on how to set up the desktop. This chapter is intended to cover both the design methodologies and the techniques for using PIPENET VISION itself.Ĭhapter 2 of this document contains design tips and techniques, and Chapter 3 covers additional principles in more detail. In order to model firewater ringmain systems well, we need to understand some of the capabilities of PIPENET VISION that were not covered in Chapter 2. In this chapter, we build on the material covered in Chapter 1, and extend the principles to cover firewater ringmain systems.
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PIPENET VISION TRAINING MANUAL SPRAY: CHAPTER 3 PAGE 1 OF 66 REVISION 2.įIRE PROTECTION SYSTEMS DESIGN - FIREWATER RINGMAIN SYSTEMS