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| | | The building regulation regulates the ventilation of inside located bathrooms and toilets In housings, hotels and other buildings. The mono tube system QuietVent ELS from Helios has convincing s | | Energy saving QuietVent ELS units reduce the ventilation heat demand and contribute consequently an essential saving of heating energy. Low power consumption costs of only 16 Watt lurther guarantee high efficiency. Easy designing Due to the certificate of the Institute for Bautechnik all further measurements on site are unnecessary as they are guaranteed. This certified perfor simplifies design. Resistance oi ri; duct is overcome by the fan, see pages 54 ans 55 for duct sizes. | | |
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| | | Space saving One central main riser for up to 20 floors and smallest cross-sections save money and useable living space. Installation and mounting The fan design reduces duct sizes leading to reduced material and labour costs. Keeping on site expenditure to | | |
| | | P.O. Box 96, Stevenage SG12SD Tel.: 01438/767328 | | |
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| | | Essential points from the regulations document F a BS 7671:2001" Why is mechanical uentlli the building regulations? Traditionally to remove stale and added moisture from rooms, op windows was the normal solution. V\ is still possible in some cases, a nun reason mean mechanical ventilation necessary to replace the air. The roc be internal w th no windows, fie windows may be sealed and c;.....ot bo omened etc Mechanical ventilation extracts a known amount oi air ■,■»■; lore as an open window does not because it depends on the p'ovailiiK; circumstances. Today buildings have better insulations and increased sealing to improve comfort and to reduce draughts. Stale air from cooking and the bathroom cause damp loading ¡0 mould growth, dan and damage lo the building fabric. Therefore the building Regulations Document F1 0O< !!■:.. ate | | |
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| | | bathroom = 15 l/'s l'5-lni ■lij single toilet = 61/s (22 rrrVh) toii=: cubicles , 61/s (22 m -.'hi/cubicle - with a minimum running on t mo of I b minutes for internal rooms and some others. In kitchen the air flow volume should be 30 l/s (108 m3/h) over the hob and 60 l/s (216 m3/h) for the In utility rooms 301/s (108 rrrVh). BS 7671:2001 Covering Electrical protection levels in bathrooms.1' Zone 0 is the interior ot the bath tub | | |
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| | | | | | | | | | use ot a tool. | | | | | b) for a shower | without a basin and with a | | | | demountable sh | ower head able to be | | | | moved around | use ;he vertical plane(s) at | | | | a radius of 1.2 n | i'.oil? on la IK i:ie water | | | | | | | | | shlwe^Tw | ;ii i:; not derioi/lable. the | | | | | | | | | |
| | | basin then up to 0.0; vedical plane(s] radii from the w; | | |
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| | | the shower head is Electrical equipment inside this Jane IPX7. Zone 1 is the area from the upper plane of zone 0 to the horizontal plane 2.25 m above the floor and a) by the vertical planefs) circumscribing the bath tub or shower basin anc includes the space below the bath tub or shower basin | | |
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| | | ■,/erl:c;al plane.;:-,) at a radius of 0.60 m frorr the shower head. Elect ■i;.:al >::::(.. pmen! insie'e thk- '.on* IPX4 ''Note; This extract is tor guidance only ar used to ensure compliance. | | |
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