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73
Block C
Experimental work
1. Sketch the layout of a water services system in a house, showing typical
sizes of equipment and methods of control. Show how wastage of water is
minimized.
2. Sketch and describe a suitable cold-water services installation for a 20-
storey hotel where the mains water pressure is only sufficient to reach the
fifth floor.
3. A cold-water storage tank in a house with five occupants is to have a capac-
ity of 1001/per person and be fed from a water main able to pass 0.251/s.
How long will it take to fill the tank?
4. A bank building is to house 115 male and 190 female staff. Recommend a
suitable allocation of sanitary accommodation.
5. Draw cross-sections through four different types of pipe joint used for wa-
ter services, showing the method of producing a water seal in each case.
6. Describe the corrosion processes that take place within water systems and
the measures taken to protect equipment.
Block D
Creative work
Present the projects of modern water treatment installations.
Chapter 5
Soil and waste systems
Block A
Key terms and concepts:
access
air static pressure
connection to stacks
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