Page 689 - 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. 689
Index
kinetic lifting 31–2 lockshield valves 473 hardness 154
kitchen sinks 408, 419, 573–4 low carbon steel pipe malleability 154
ladders 62–6 bending 105–7 metals 150–1
classification 61–2 clipping distances 128 oxidation 155
raising and lowering 64 grades 104–5 plastics 152
securing 64–5 jointing 107–9 principle applications 150–3
see also working at height testing 139 properties of 150, 153–5
language differences 214–15 low pressure open vented central sanitary systems 597
latent heat 168 heating systems 438–49, shear strength 154
lead 505, 509 tensile strength 153
origin of 151 low surface temperature radiators matter, states of 167–8
pipes 328 (LSTs) 470 MDPE (medium-density
working with 8–9, 21–3 low water content heat exchangers polyethylene) 152
lead-free solder 98–9 458–9 mechanical lifting aids 33
leadlocks 117 lubricants 163 mechanical principles 178
leakage 329–30, 425 machine bending 92–6 action and reaction 182
Legionella 409, 425 magnesium rods 159 actual mechanical advantage
legislation magnetic filters 482 (AMA) 178
approved codes of practice maintenance 142–3, 222–3 centre of gravity 181
(ACOPs) 14–15 central heating systems 517–18 equilibrium 182–3
building services 12–13 cold water systems 331–9 ideal mechanical advantage
construction industry 10–11 emergency 333 (IMA) 178
data protection 211 sanitary systems 615–17 levers 178–9
enforcement 15 taps 333–9 Newton’s third law of motion
equality 210–11 making good 124–5 182
freedom of information 211 malleability 154 pulleys 179–80
guidance notes 15 mandatory safety sign 20 screw machine 180
health and safety 1–15 manganese paste 108 torque 179, 181
levers 178–9 manifolds 103–4 wheel and axle 179
lifting and handling techniques manipulative compression fittings mechanical suction 592
31–3 100 mediation 216
light, photodegradation 158 manual handling 31–3 medium-density polyethylene
limits to personal authority 210, 219 mechanical lifting aids 33 (MDPE) 109–10
linseed oil-based compounds 108 one-person lift 31–2 melting 167
liquid petroleum gas (LPG) 21, two-person lift 32–3 metals 150–1
51, 56–8, 163, 623–4, Manual Handling Operations conductivity 155
634–5 Regulations 1992 8, 31 corrosion 155–7, 159
liquids manufacturer’s instructions 256 oxidation 155
changing states of 167–8 MAPP (methylacetylene-propadiene meters 652
glycol 162 propane) gas 51 method statement 18, 233–5
kerosene 162 masonry nails 130 microbore system 452–3
latent heat 168 materials mild steel pipe see low carbon steel
lubricants 163 ceramics and fireclays 153 pipe
properties of 159–63 compressive strength 154 minerals 154
refrigerants 161–2 conductivity 155 mirror screw 131
sensible heat 168 corrosion 155–7, 159 mixer taps 316
see also water degradation 158 mobile elevated working platforms
local authority 201 delivery of 223 (MEWPs) 71
localised hot water systems 386–7 ductility 154 Mohs scale 154
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