Page 692 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
P. 692

The City & Guilds Textbook: Plumbing Book 1

                   hazards  229                   stop taps  311–13                 temporary continuity bonding  50–1,
                   health and safety  18          stop valves  256–60                        650
                   legislation  8                 storage cisterns  277–90          tender  224
                single check valves  396–7        storage cylinders  368–71, 376–81  tensile strength  153
                sinks see kitchen sinks           storing, tools and materials  125–6  tension test  153
                siphonic action  176–7            strap boss installation  598      terminal fittings see taps
                site management team  197–201     stratification  415               testing
                site supervisor  202              strength, of sold materials  153–4   central heating systems  507–9
                site visitors  206                structural engineer  200             cold water systems  328
                skirting heating  472             subcontractors  14, 202              guttering systems  545–6
                sleeving pipework  137            sublimation  168                     hot water systems  420–4
                snagging  134                     submersible pumps  274            thermal
                soakaways  590–4                  sub-stack system  556                conductivity  155
                soil pipes  115–16                sulphuric acid  21                   degradation  158
                solar thermal hot water systems    sunlight, UV degradation  158       expansion  535–6
                        385–6                     supervision  219–21                  radiation  171
                solar thermal radiation  171      surface pumps  272–4                 stores  383–4
                solar thermal technology  627     surface tension  161              thermistor  167
                soldering                         surveyor  200                     thermocouple  167
                   equipment  84                  sustainable fuels  627            thermo-mechanical cylinder control
                   lead-free solder  98–9         swarf  85                                  valves  474–5
                   protecting surroundings  138   symbols, hazards  229             thermometers  167
                   see also jointing              tank connectors  103–4            thermoplastic (PVC) cables  653
                solid fuel  454, 505, 625–7       tap hole arrangements             thermoplastics  152
                   appliances  455–7                 baths  569–71                  thermosetting  152
                solidification  168                  washbasins  566–8              thermostat failure  428
                solvent weld adhesives  21        tapered threads  107              thermostatic mixing valves (TMVs)
                solvents  21, 23                  taps  315–18                               320, 407–11, 413
                spanners  79–80                      ceramic  317–18, 337           thermostatic radiator valves (TRVs)
                special learning needs  214          connectors  103–4                       474
                specific gravity  150                leakage from  330              thermostats
                specific heat capacity  160          maintenance  333–9                central heating systems  485–6
                   unit of measurement  166          noise  329                        hot water systems  394–5
                   water  171–2                      non-rising spindle  317        threaded joints  107
                Speedfit  113                        replacing  337–9               threading equipment  84–5, 88
                spigot  114                          re-seating  86, 333–7          throating  84, 94
                spirit levels  82                    re-washering  33–6             tilers  204
                spring bending  95–7                 rising spindle  316–17         time clocks  484
                spring loaded toggle bolts  132   temper  89                        time sheets  207
                spring water  241                 temperature                       timekeeping  209
                spurs  655–7                         central heating systems  437   tin  151
                stagnation, prevention of  281       gases  164–5                   TN-C-S system  649
                stainless steel tube  328            hot water systems  393–5       TN-S system  648–9
                states of matter  167–8              installation  407–8, 412       toolbox talk  227
                static head of water  175            sensors  277                   tools and equipment see equipment
                statutory cancellation rights  208   thermometers  167              torque  179, 181
                steam  163, 167                      units of measurement  166–7    towel warmers  471
                stepladders  60–1                 temperature relief valve  407     tower scaffolds  66–8
                sterilisation  252                templars paste  108               toxic substances  21
                680





        9781510416482.indb   680                                                                                    29/03/19   9:09 PM
   687   688   689   690   691   692   693