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Plumbing : mechanical services

Author: G J Blower
Publisher: Upper Saddle River, NJ : Prentice Hall, 2002.
Edition/Format:   Print book : English : 4th edView all editions and formats

This title is a guide for all students who require a sound understanding of plumbing principles and processes. It has been fully revised to meet the new NVQ plumbing requirements and contains  Read more...


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Document Type: Book
All Authors / Contributors: G J Blower
ISBN: 0582432294 9780582432291
OCLC Number: 48544559
Description: vii, 379 pages : illustrations ; 25 cm
Contents: Contents Foreword Preface Acknowledgements 1. Welding and brazing processes Introduction Welding safety The flame Set-up of weld joints Lead welding Defects in welds Lap welds on lead sheet Angle seams Lead-welded pipe joints Bronze welding Brazing processes Fusion welding low-carbon steel Further reading Self-testing questions 2. Gas installations Legislation Properties of natural gas Combustion and gas burners Combustion air Installation of pipework Gas meters Testing appliance pressures and gas rates Pressure Gas pipe sizing Testing for soundness Purging domestic installations Ventilation Flues Flue terminals Gas controls Ignition devices Flame failure devices Flame conduction and rectification Gas fires and back boiler units Servicing gas appliances Decommissioning Further reading Self-testing questions 3. Cold water supply The Water Regulations (1999) Types of cold water supply Large water storage cisterns and associated pipework Noise in cold water systems Pollution of water supplies Backflow prevention Non-mechanical backflow devices Mechanical backflow protection Application of backflow prevention devices in domestic premises Backflow protection in multi-storey public and commercial buildings Sterilisation of cold water systems Provision for fire-fighting in buildings Water treatment Base exchange water softening Hydraulic pressure testing Decommissioning Further reading Self-testing questions 4. Hot water supply Corrosion and scale formation in hot water systems Supplementary storage systems High-level flow systems Dual boiler systems Unvented hot water systems Combination boilers Pumped systems Storage vessels Support and connections to horizontal hot storage vessels Towel rails Fuels used for hot water and central heating Water heaters Electric water heating Introduction to solar heating Legionnaires' disease Further reading Self-testing questions 5. Hot water heating systems Space-heating systems Heat emitters Central heating components Boilers Pipework systems used for heating Heating systems Mini-bore systems Sealed heating systems Heating controls Central heating design Under-floor central heating Commissioning and maintaining central heating systems Noise in hot water supply and heating systems Corrosion in heating systems and its prevention Further reading Self-testing questions 6. Oil firing Fuel oils Fuel storage Oil storage tank accessories Pipework systems for oil supply Types of oil burner Installation of oil-fired boilers Digital combustion analysers Flues for oil boilers Servicing oil-fired boilers Further reading Self-testing questions 7. Sanitary appliances Introduction WC macerators Flushing troughs Ablutionary fittings Non-concussive valves Anti-scald valves Showers Urinals Disposal of chemical wastes Sanitary accommodation Further reading Self-testing questions 8. Sanitary pipework Building Regulations relevant to sanitary pipework Standards relating to sanitary pipework Sanitary pipe sizes Trap seal loss Ventilation of sanitary pipework Compression and its prevention Modern pipework systems Branch positions in discharge stacks Ventilation of branch discharge pipes to single appliances Ranges of appliances Special notes relating to ventilating pipes Access for cleaning and maintenance Pipe ducts Inspection and testing Maintence Further reading Self-testing questions 9. Underground drainage materials, fittings and systems Regulations relating to building drainage Functions of drainage systems Health and safety Materials Cast iron drainage PVC (BS 4660:1973) Flexibility Drainage fittings Support for above-ground drains Bedding for underground drains Protection of drains near or above ground level or subject to imposed loads Types of drainage system Ventilation of drains Access to drains Connections to existing drains Working principles of a good drainage scheme Hydraulic mean depth (HMD) Invert and soffit Determining drain levels Setting out the incline of a drain Ramps and backdrops Testing drains for soundness Tracing drains Maintenance of underground drainage systems Decommissioning Further reading Self-testing questions 10. Sheet lead roof weatherings Introduction Contact with other materials Metal lining of gutters constructed of timber Gutter outlets Covering large flat areas with lead sheet Wood rolls Hollow roll work Dormer windows Mansard roofs Lead-welded details Metal cladding of buildings with performed panels Patenation oil Inspection and maintenance of sheet weatherings Further reading Self-testing questions 11. Electrical systems Regulations governing the installation of electrical supplies Distribution of electricity Electrical units Electrical safety Earthing and bonding Distribution of supplies in the property Current-carrying capacity of conductors (cables) Cables 343 Inspecting and testing electrical installations Ancillary components Regulations relating to electrical appliances in bathrooms Further reading 354Self-testing questions Appendix A: Assignments Appendix B: Colour coding of pipelines Appendix C: BS 1192: Piped and ducted services Appendix D: National Vocational Qualifications Appendix E: Study guide for NVQ units Index
Responsibility: G.J. Blower.


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