BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation

BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation BS 5440 1 1990 installation of flues and ventilation for gas appliances of flues and ventilation

[...]... 0.068 0.073 0.087 0 .10 2 0 .11 7 0 .13 1 0 .14 6 0.083 0.092 0 .10 0 0 .11 9 0 .13 8 0 .15 6 0 .18 1 0.2 01 0.086 0.098 0 .10 7 0 .13 0 0 .15 3 0 .18 2 0.206 0.228 0 .10 7 0 .12 2 0 .13 2 0 .15 7 0 .19 2 0. 219 0.245 0.270 0 .12 7 0 .14 3 0 .15 4 0 .19 3 0.222 0.2 51 0.280 0.309 0 .13 1 0 .14 8 0 .16 8 0.202 0.235 0.268 0.299 0.330 0 .14 9 0 .17 7 0 .19 2 0.228 0.263 0.299 0.332 0.365 0 .17 4 0 .19 7 0. 213 0.252 0.289 0.326 0.363 0.399 0 .19 6 0.2 21 0.239 0.284 0.326... and ridge termination Figure 12 — Pitch roof, chimney within 1. 5 m from dormer window measured horizontally © BSI 11 -19 98 11 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI BS 5440- 1: 1990 Figure 13 — Maximum lengths for condensate-free flues for appliances other than gas fires 12 © BSI 11 -19 98 BS 5440- 1: 1990 13 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI © BSI 11 -19 98 Figure 14 ... — Flat roof, with structure close to flue outlet Figure 8 — Pitched roof, not greater than 45° © BSI 11 -19 98 9 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI BS 5440- 1: 1990 Figure 9 — Pitched roof, within 1. 5 m of a structure on roof Figure 10 — Pitched roof, exceeding 45° 10 © BSI 11 -19 98 BS 5440- 1: 1990 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI Figure 11 — Pitch roof, internal... accessible for clearance of debris, for example by removal of the gas fire and closure plate © BSI 11 -19 98 BS 5440- 1: 1990 15 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI © BSI 11 -19 98 Figure 15 — Typical methods of sealing flue liner BS 5440- 1: 1990 Where an appliance is connected to an existing flue or chimney and the chimney is not lined, a void below the point of connection, or, in the case of. .. Number of storeys 3 4 m 2 0.025 0.0 31 0.042 0.0 51 0.059 0.065 0.073 NOTE 8 10 12 14 16 18 20 24 28 Se-duct cross-sectional area kW 2 5 10 15 20 25 30 6 m 2 0.030 0.037 0.0 51 0.062 0.072 0.0 81 0.090 m 2 0.039 0.048 0.066 0.0 81 0.094 0 .11 0 0 .12 5 m 2 0.046 0.057 0.078 0.097 0 .11 6 0 .13 6 0 .15 3 m2 m2 m2 m2 m2 m2 m2 m2 0.052 0.064 0.088 0 .11 3 0 .13 7 0 .15 8 0 .18 9 0.058 0.072 0 .10 0 0 .12 8 0 .15 4 0 .18 9 0. 216 0.062... 0 .18 9 0. 216 0.062 0.078 0 .11 1 0 .14 2 0 .18 0 0. 211 0.242 0.067 0.084 0 .12 2 0 .15 6 0 .19 9 0.233 0.266 0.072 0.089 0 .13 2 0 .17 8 0. 217 0.253 0.288 0.076 0.095 0 .14 1 0 .19 3 0.233 0.273 0. 311 0.085 0 .10 7 0 .16 8 0. 219 0.266 0. 311 0.353 0.0 91 0 .12 0 0 .18 9 0.246 0.298 0.347 0.393 For intermediate heat inputs the area may be obtained by interpolation Table 9 — Se-duct sizes for combinations of instantaneous water heaters... Flat roof, with parapet © BSI 11 -19 98 7 BS 5440- 1: 1990 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI Figure 3 — Flat roof, envelope method Figure 4 — Flat roof, where the flue outlet is more than 10 heights (h) away from all structures Figure 5 — Flat roof, with flue close to parapet 8 © BSI 11 -19 98 BS 5440- 1: 1990 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI Figure 6 — Flat roof,... open to the dwelling for longer than necessary, as leakage of products of combustion from appliances on other floors could give rise to hazardous conditions 27 © BSI 11 -19 98 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI BS 5440- 1: 1990 28 Figure 19 — Shared room-sealed systems BS 5440- 1: 1990 Table 8 — Se-duct sizes for continuously burning appliances in flats Rated input of continuously burning... COMMENTARY AND RECOMMENDATIONS ON 4 .1. 7.2 Where the horizontal distance between the flue and a structure exceeds 1. 5 m and is greater than 10 times the height of that structure above the point where the flue passes through the roof, then that structure may be discounted as having any effect on the performance of that flue (see Figure 4) © BSI 11 -19 98 BS 5440- 1: 1990 Table 1 — Location of roof mounted... which it serves (see Figure 17 ) In the case of a gas fire, the subsidiary for a connection shall be a minimum of 3 m above that outlet of the appliance which it serves 21 Licensed copy:RMJM, 08/09/2005, Uncontrolled Copy, © BSI BS 5440- 1: 1990 d) All appliances shall be of the same type, being any one of the types specified in Table 6, and the number and total input rating of such appliances shall not exceed . BRITISH STANDARD BS 5440-1: 1990 Incorporating Amendment No. 1 Installation of flues andventilation for gasappliances of ratedinput not exceeding 60 kW (1st,2nd and 3rd familygases) — Part. It also covers flues that were intended originally for appliances burning other fuels but which are subsequently used for gas appliances. NOTE 1For information on flues for appliances having. Uncontrolled Copy, © BSI BS 5440-1:1990 © BSI 11-1998 iii Foreword This Part of BS 5440 has been prepared under the direction of the Gas Standards Policy Committee. It is a revision of BS 5440-1:1978