Hot and cold water supply /
prepared by R.H. Garrett for British Standards Institution.
- 3rd ed.
- Chichester, West Sussex, U.K. ; Ames, Iowa : Wiley-Blackwell, 2008.
- x, 411 p. : ill. ; 25 cm.
Includes index
considerations 1 1.1 Scope of the standard 1 1.2 Water Regulations 2 1.3 Building Regulations 5 1.4 The Health and Safety at Work etc. Act 1974 11 1.5 Definitions 12 1.6 Graphical symbols 17 1.7 Materials 21 1.8 Initial procedures 26 2 Cold water supply 30 2.1 Drinking water 30 2.2 Cold water systems 31 2.3 Storage cisterns 36 2.4 Valves and controls 50 2.5 Water systems outside buildings 57 2.6 Water revenue meters 58 2.7 Boosted systems 66 2.8 Water treatment 73 3 Hot water supply 79 3.1 System choice 79 3.2 Instantaneous water heaters 81 3.3 Water-jacketed tube heaters (primary stores) 85 3.4 Storage type water heater and boiler heated systems 88 3.5 Primary circuits 105 3.6 Secondary hot water distributing systems 123 3.7 Components for hot water systems 125 3.8 Hot water provision for the less able 147 4 Prevention of bursting 155 4.1 Energy control 155 4.2 Pressure and expansion control 167 4.3 Control of water level 172 5 Pipe sizing 174 5.1 Sizing procedure for supply pipes 174 5.2 Tabular method of pipe sizing 184 5.3 Sizing cold water storage 188 5.4 Sizing hot water storage 189 5.5 Legionella ¿ implications in sizing storage 193 6 Preservation of water quality 194 6.1 Materials in contact with water 194 6.2 Stagnation of water and Legionella 197 6.3 Prevention of contamination by cross connection 198 6.4 Backflow protection 201 6.5 Backflow prevention devices 203 6.6 Secondary or zone backflow protection 220 6.7 Application of backflow prevention devices 222 7 Frost precautions 234 7.1 Protection from frost 234 7.2 Protection of pipes and fittings 236 7.3 Draining facilities 240 7.4 Insulation against frost damage 243 8 Water economy and energy conservation 247 8.1 Water economy 247 8.2 Grey water and recycled rainwater 257 8.3 Energy conservation 258 8.4 Building Regulations and energy conservation 259 8.5 Insulation to meet Building Regulations 263 9 Noise and vibration 267 9.1 Flow noises 267 9.2 Water hammer noise 270 9.3 Other noises 272 9.4 Noise transmission and reduction 273 10 Accessibility of pipes and water fittings 275 10.1 Pipes passing through walls, floors and ceilings 275 10.2 Stopvalves 279 10.3 Water storage cisterns 281 11 Installation of pipework 282 11.1 Steel pipes 282 11.2 Copper pipes 286 11.3 Stainless steel pipes 304 11.4 Plastics pipes 305 11.5 Iron pipes 320 11.6 Asbestos cement pipes 326 11.7 Lead pipes 327 11.8 Connections between pipes of different materials 327 11.9 Connections to cisterns and tanks 329 11.10 Branch connections for buildings 332 11.11 Contamination of mains 335 11.12 Laying underground pipes 335 11.13 Pipework in buildings 345 11.14 Electrical, earthing and bonding 350 11.15 Jointing of pipework for potable water 350 11.16 Testing 353 11.17 Identification of valves and pipes 353 12 Commissioning and maintenance of pipelines, services and installations 356 12.1 Inspections 356 12.2 Testing for soundness 357 12.3 Testing methods 358 12.4 Flushing and disinfection 361 12.5 Commissioning hot water and heating systems 365 12.6 Maintenance 366 12.7 Locating leaks 369 12.8 Disconnection of unused pipes and fittings 372 12.9 Occupier information 372 13 Firefighting systems 373 13.1 Fire safety 373 13.2 Openings for pipes 375 13.3 Fire mains within buildings 376 13.4 Certification and accreditation of fire protection installations 377 14 Sprinkler systems for domestic and residential premises 378 14.1 Scope of BS 9251 378 14.2 Terms and definitions 379 14.3 Consultation 380 14.4 Sprinkler systems and water supply methods 380 14.5 Pressure requirements and system flow rates 385 14.6 System components 386 14.7 Installation 390 14.8 Commissioning sprinkler systems 391 14.9 Maintenance 392 14.10 Documentation 392 14.11 Hydraulic calculations for sprinkler systems 393 Standards relevant to this book 397 References and further reading 405 Index 407 Library of Congress Subject Headings for this publication: Plumbing. Water-supply engineering. Hot water.