030-0565/01 – Supply of extinguishing agents (ZHAS)
Gurantor department | Department of Fire Protection | Credits | 5 |
Subject guarantor | doc. Ing. Šárka Kročová, Ph.D. | Subject version guarantor | doc. Ing. Šárka Kročová, Ph.D. |
Study level | undergraduate or graduate | Requirement | Compulsory |
Year | 2 | Semester | summer |
| | Study language | Czech |
Year of introduction | 2012/2013 | Year of cancellation | |
Intended for the faculties | FBI | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
The aim of the subject is to make the students familiar with basic firefighting equipment, materials and media used in the course of firefighting interventions. Individual lectures will provide the students with information on various kinds of fire extinguishing agents, their applications in practice, research, structure and operation of public water supply systems and inner water supply systems of industrial parks and zones in standard conditions and in conditions of crisis situations. Simultaneously, they will gain sufficient knowledge of construction and operation of fire-fighting water supply systems for fire protection of road tunnel structures. Based both on the acquired professional knowledge and on its understanding, they will be able to identify risks threatening these systems, to discuss them and to organise activities to eliminate them.
After carried out basic risk analyses and synthesis, they will be able to defend their new solutions to the problems concerned, to organise the next trend in development and to evaluate its results, to lead professional discussions and to publish specialist articles dealing with safety and operation problems of supply of fire-fighting water to structures.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
Each student will know various kinds of fire extinguishing agents used by fire brigades, will be able to plan and assess the most efficient firefighting equipment and media in individual phases of construction of buildings and road tunnel structures and their operation to maximize the result.
The primary basis for fire safety in buildings is usually the implementation of systems oriented towards the sources of drinking and service water from public water supply systems and inner water supply systems of industrial parks and zones.
With regard to the importance of the above-mentioned issue, at lectures and practical classes the students will be made familiar in detail with the theory of structures of water supply systems, their operation in standard and crisis situations, their hydraulic efficiency at various hydrodynamic pressure levels, system of networks, significance of pressure zones, hydraulic efficiency of external and internal extraction sites and verification of hydraulic efficiency of fire mains. Part of lectures will focus on the area of design, implementation and operation of water supply and sewer systems increasing the fire safety of road tunnel structures, drainage of used fire-fighting water, drainage of rainfall and alternative disposal of the water in special structures and controlled discharge of the water into aqueous ecosystems.
Compulsory literature:
William F. Eckman: The Fire Department Water Supply Handbook, Penwell Books, 1994, 440 pp.
NERAC Inc.: Fire Extinguishing Agents, National Technical Information Service, 1996, 36 pp.
Recommended literature:
BRYAN J.L.: Automatic sprinkler and standpipe systém, second edition, 1990.
NASH P. and Young R.A.: Automatic sprinkler systems for fire protection, 1st edition.
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
Processing of the given topic, written and oral presentation.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Water demand for supplying fire-fighting water to built-up areas, industrial parks, road tunnel structures and agriculture
• Fire-fighting water demand planning for built-up areas
• Water demand planning for road tunnel structures
• Drainage of water used during fire-fighting
• Water consumption variations
• Calculation of accumulations of fire-fighting water
• Verification of hydraulic efficiency of extraction sites as sources of fire-fighting water
• Risks of water supply system failures
• Natural and anthropogenic risks acting on structural fire safety
2. Equation of continuity, Bernoulli’s equation for a real liquid, pressure measurement
3. Measurement of local and average velocities and flow rate (differential pressure flowmeters)
4. Hydraulic pipe sizing calculation, pipe friction losses, local resistances (losses)
5. Single pipe with a reservoir, hydraulic grade line, pipe networks
6. Design of single pipe system, series pipe system, parallel pipe system, and series pipe system with draw-off points, calculation of ramified network and ring network, experiment presentation
7. Continuous flow of incompressible and compressible fluids
8. Water-based fire extinguishing agents, gaseous fire-extinguishing agents with the physical mechanism of combustion, halogen derivatives of hydrocarbons in fire-fighting equipment, extinguishing powders and aerosol extinguishing agents
9. Fire-fighting water supply, fire hydrants, filling and draw-off points, their sense, dimensioning and function of public water supply systems, plumbing on the premises and in buildings.
10. High-pressure drinking water distribution pipes, their capacity parameters, advantages and disadvantages when used in a case of high-rise housing.
11. Sources of fire-fighting water for road tunnel structures, assessment of safety of sources and calculation of capacity of water sources, design and sizing of feeding pipeline, dealing with the hydraulic efficiency of these distribution systems.
12. Reduction stations, pressure stations, energy sources, their design, importance and function in relation to the fire protection of road tunnel structures.
13. Inner water supply system in tunnel structures, sizing of main lines, dimensioning of extraction sites, building and safety conditions of operation of them.
14. Inside sewerage systems for drainage of water used in fire-fighting and rainfall from tunnel structures, their dimensioning and operation in various natural conditions.
15. Fire-fighting systems, experiment presentation, fluid outflow through a hole, compact liquid stream
16. Fragmented liquid stream, water mist
17. Fixed fire-extinguishing systems, composition
18. Methods of the design of water distribution pipes for fire-fighting of public water supply systems as multi-purpose sources of fire-fighting water, inner water supply systems as sources of fire-fighting water for industrial and shopping parks and safety of transportation systems.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction