Building Services Engineering 5th Edition Handbook

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Appendix 413 Chapter 9 Below-ground drainage 3. 100 mm. 4. 150 mm. 5. 1.235 m. 6. 225 mm, approximately 614. 13. 3 14. 5 15. 5 Chapter 10 Condensation in buildings 15. (a) 6.79 ◦ C, 6.11 ◦ C; (b) 13.89 ◦ C, 13.55 ◦ C, 2.89 ◦ C, 2.55 ◦ C; (c) 18.47 ◦ C, 17.83 ◦ C, 6.71 ◦ C, 2.91 ◦ C, 0.27 ◦ C; (d) 19.45 ◦ C, 19.06 ◦ C, −0.38 ◦ C. 16. 2.72 ◦ C. 17. −7.46 ◦ C. 18. 28.1 mm. 19. U value 0.46 W/m 2 K, heat flow 9.26 W/m 2 . Thermal temperature gradients are 22 ◦ C, 21.07 ◦ C, 20.38 ◦ C, 18.71 ◦ C, 11.76 ◦ C, 3.08 ◦ C, 2.9 ◦ C, 2.7 ◦ C, 2 ◦ C. Indoor dew-point 11.3 ◦ C, vapour pressure 1300 Pa, outdoor air −0.8 ◦ C and 568 Pa. Vapour resistance R v 6.265 GN s/kg, mass flow of vapour G 1.168 × 10 −7 kg/m 2 s. Dew-points at the same interfaces as the thermal temperatures are 11.3 ◦ C, 11.3 ◦ C, 10.5 ◦ C, 10.5 ◦ C, 8.8 ◦ C, −0.7 ◦ C, −0.8 ◦ C, −0.8 ◦ C, −0.8 ◦ C. Condensation does not occur. 20. U value 0.6 W/m 2 K, heat flow 7.74 W/m 2 . Thermal temperature gradients are 14 ◦ C, 13.07 ◦ C, 12.84 ◦ C, 11.32 ◦ C, 3.58 ◦ C, 2.19 ◦ C, 1.22 ◦ C, 1 ◦ C. Indoor dew-point 6.5 ◦ C, vapour pressure 936 Pa, outdoor air −1.8 ◦ C and 531 Pa. Concrete block work resistivity taken as 200 GN s/kg m. Vapour resistance R v 25.35 GN s/kg, mass flow of vapour G 1.6 x 10 −8 kg/m 2 s. Dew-points at the same interfaces as the thermal temperatures are 6.5 ◦ C, 6.5 ◦ C, 6.3 ◦ C, 0.09 ◦ C, −0.06 ◦ C, −0.06 ◦ C, −1.8 ◦ C, −1.8 ◦ C. Condensation does not occur. 21. 3 22. 4 23. 5 24. 3 25. 4 26. 1 27. 3 28. 4 29. 3 30. 1 31. 3 32. 4 Chapter 11 Lighting 9. 59%. 11. Room index 3, UF 0.73, MF 0.9, 36 luminaires in 3 rows of 12 along the 20 m dimension, 16.8 W/m 2 ,21A. 22. Lighting 3750 h/year, 3.81 × 10 6 lm, tungsten, 1814 lamps, replace 3401 per year, total annual cost £80 255 per year, fluorescent 569 lamps, replace 178 per year, total annual cost £14 403 per year, sodium 139 lamps, replace 22 per year, total annual cost £10 917 per year.
414 Appendix 23. Lighting 1200 h/year, 35 0685 lm, tungsten 352 lamps, replace 211 per year, total annual cost £3559 per year, fluorescent 95 lamps, replace 16 per year, total annual cost £772 per year, halogen 37 lamps, replace 2 per year, total annual cost £423 per year. 24. 1 25. 4 26. 1 27. 1, 3, 5 28. 3 29. 4 30. 2 31. 3 32. 1 33. 3, 5 34. 4 35. 3 36. 1 37. 2 38. 3 39. 5 40. 4 41. 4 42. 2 43. 3 44. 3 45. 4 46. 2 47. 2 48. 3 49. 4 50. 5 Chapter 12 Gas 1. 1.026 l/s, 125 mm H 2 O. 2. 5.394, 3.5, 0.75, 15, 1050 mb. 3. 3.333 Pa/m. 4. 27.17 m. 5. 1.47 l/s, 2.609 Pa/m, 32 mm. 6. 72 Pa. 11. 4, 5 12. 3 13. 1 Chapter 13 Electrical installations 5. 0.00172 . 6. 0.2867 . 7. 10.7%. 10. 12.6 kVA. 11. 19.2 .
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Building Services Engineering
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Building Services Engineering Fifth
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Contents Preface to fifth edition A
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Contents vii Sick building syndrome
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Contents ix Circuit design 294 Cabl
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Preface to fifth edition Building S
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Acknowledgements I am particularly
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Units and constants xv Table 2 Mult
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Symbols xvii Symbol Description Uni
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Symbols xix Symbol Description Unit
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2 Built environment Introduction Th
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4 Built environment Ventilation The
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6 Built environment (a) At full occ
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8 Built environment Table 1.2 Compa
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10 Built environment Because of the
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12 Built environment Visual display
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14 Built environment v = 7 m/s t a
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16 Built environment 1.4 Sling psyc
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18 Built environment 1.7 Thermistor
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20 Built environment t res = t g (1
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22 Built environment great care wit
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24 Built environment 16. An hotel l
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26 Built environment 37. Are any of
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28 Built environment building has a
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30 Built environment 73. What was t
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32 Energy economics Introduction Bu
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34 Energy economics 16. air-to-air
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36 Energy economics 1 kWh = 1 kWh
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38 Energy economics 2. Heat transfe
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40 Energy economics For solid fuel
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42 Energy economics gas cost = 1.80
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44 Energy economics Table 2.5 Carbo
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46 Energy economics EXAMPLE 2.8 A h
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48 Energy economics annual cost = u
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50 Energy economics EXAMPLE 2.12 Ex
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52 Energy economics l = 0.035 ( 1 0
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54 Energy economics Table 2.11 Valu
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56 Energy economics From Table 2.4
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58 Energy economics 3. Minimum outs
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3 Heat loss calculations Learning o
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62 Heat loss calculations Table 3.1
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64 Heat loss calculations Table 3.6
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66 Heat loss calculations Where onl
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68 Heat loss calculations The venti
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70 Heat loss calculations The surro
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72 Heat loss calculations The speci
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74 Heat loss calculations where R m
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76 Heat loss calculations The addit
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78 Heat loss calculations operation
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80 Heat loss calculations 2. The fo
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82 Heat loss calculations internal
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84 Heat loss calculations 27. Which
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86 Heating Key terms and concepts a
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88 Heating 4.2 Electrically heated
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90 Heating Sheet steel case Removab
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92 Heating Floor finish Screed with
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94 Heating Flue Return air plenum F
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96 Heating Table 4.1 Classification
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98 Heating Table 4.2 Heat output fr
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100 Heating Table 4.3 Flow of water
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102 Heating and, maximum available
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104 Heating This means that one vol
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106 Heating Performance testing A r
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108 Heating Electrical power genera
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110 Heating Combined heat and power
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112 Heating 3. A building energy ma
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114 Heating Connections are made to
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116 Heating remotely the MWh consum
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118 Heating 13. The two-pipe heatin
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120 Heating 27. Which is not correc
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122 Heating 39. Which of these is t
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124 Heating 4. Heat supplied is cha
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126 Ventilation and air conditionin
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6 Hot- and cold-water supplies Lear
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180 Hot- and cold-water supplies Wa
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182 Hot- and cold-water supplies po
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184 Hot- and cold-water supplies Ce
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186 Hot- and cold-water supplies st
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188 Hot- and cold-water supplies 0.
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190 Hot- and cold-water supplies 53
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192 Hot- and cold-water supplies an
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194 Hot- and cold-water supplies Ta
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196 Hot- and cold-water supplies Ta
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198 Hot- and cold-water supplies (a
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204 Hot- and cold-water supplies 49
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206 Soil and waste systems Introduc
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208 Soil and waste systems Open to
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210 Soil and waste systems 7. Bends
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212 Soil and waste systems The inte
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214 Soil and waste systems 40 mm wa
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216 Soil and waste systems Table 7.
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218 Soil and waste systems 50 mm ve
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220 Soil and waste systems 3. Long
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222 Surface-water drainage Table 8.
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224 Surface-water drainage Rectangu
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226 Surface-water drainage The solu
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228 Surface-water drainage 7. A PVC
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230 Below-ground drainage Design ca
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232 Below-ground drainage Manhole:
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234 Below-ground drainage From Fig.
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236 Below-ground drainage storage v
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238 Below-ground drainage 14. The f
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240 Condensation in buildings mould
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242 Condensation in buildings The w
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244 Condensation in buildings EXAMP
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246 Condensation in buildings This
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248 Condensation in buildings Tempe
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250 Condensation in buildings and,
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252 Condensation in buildings EXAMP
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254 Condensation in buildings Tempe
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256 Condensation in buildings For t
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258 Condensation in buildings 4. Ev
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11 Lighting Learning objectives Stu
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262 Lighting Table 11.1 Typical val
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264 Lighting Light sources 9 9 9 Wi
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266 Lighting Utilization factor The
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268 Lighting From Table 11.3, for a
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270 Lighting Table 11.4 Lamp data.
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272 Lighting number of lamps = 12.8
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274 Lighting 3. Sketch and describe
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276 Lighting 4. Insufficient inform
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278 Lighting 3. 800 lm/m 2 . 4. 260
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12 Gas Learning objectives Study of
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282 Gas Open to atmosphere Rubber p
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284 Gas EL = (1.25 × 34) m = 42.5
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286 Gas become exhausted. SNG will
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288 Gas are ignited and an air flow
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290 Gas 3. The pipe from a gas mete
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292 Electrical installations Key te
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294 Electrical installations curren
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296 Electrical installations 1 Volt
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298 Electrical installations power
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300 Electrical installations For1mm
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302 Electrical installations Table
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304 Electrical installations Incomi
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306 Electrical installations energi
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308 Electrical installations Starte
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310 Electrical installations Ethyle
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312 Electrical installations Test o
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314 Electrical installations Joint
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316 Electrical installations 4. 100
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318 Electrical installations 39. Wh
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320 Electrical installations 51. Wh
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322 Room acoustics 20. understand t
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324 Room acoustics pump blades and
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326 Room acoustics ceiling, Q is 4.
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328 Room acoustics Table 14.2 Solut
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330 Room acoustics Table 14.3 Fan s
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332 Room acoustics Table 14.4 Illus
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334 Room acoustics (Sound Research
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336 Room acoustics The target room
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338 Room acoustics Table 14.6 Noise
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340 Room acoustics 100 90 80 70 Sou
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342 Room acoustics 24. A forced-dra
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344 Room acoustics The room directi
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346 Room acoustics 3. Multiple sour
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348 Room acoustics 55. Which is not
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350 Fire protection computer monito
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352 Fire protection halogen gas, wh
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354 Fire protection the reach of tu
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356 Fire protection Range pipe Spri
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358 Fire protection Fire compartmen
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360 Fire protection 16. Which are c
Page 383 and 384: 362 Plant and service areas Key ter
Page 385 and 386: 364 Plant and service areas 2.0 1.5
Page 387 and 388: 366 Plant and service areas Fuel st
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Page 399 and 400: 378 Plant and service areas Table 1
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Page 403 and 404: 17 Mechanical transportation Learni
Page 405 and 406: 384 Mechanical transportation Table
Page 407 and 408: 386 Mechanical transportation Crowd
Page 409 and 410: 388 Mechanical transportation Hydra
Page 411 and 412: 390 Mechanical transportation 4. Co
Page 413 and 414: 18 Question bank Learning objective
Page 415 and 416: 394 Question bank 8. Which correctl
Page 417 and 418: 396 Question bank 5. This building
Page 419 and 420: 398 Understanding units Questions 1
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Page 423 and 424: 402 Understanding units 29. Which o
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Page 427 and 428: Appendix: answers to questions Chap
Page 429 and 430: 408 Appendix Chapter 3 Heat loss ca
Page 431 and 432: 410 Appendix 4. 0.007469 kg H 2 O/k
Page 433: 412 Appendix 32. 5 33. 5 34. 3 35.
Page 437 and 438: 416 Appendix 27. 37 dB. 28. 39 dB.
Page 439 and 440: 418 Appendix 15. 5 16. 2 17. 5 18.
Page 441 and 442: References Action Energy, Departmen
Page 443 and 444: Index Absorption 154, 324 Absorptio
Page 445 and 446: 424 Index Gas burner controls 289 G
Page 447 and 448: 426 Index Sensible heat gains 137 S
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