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Figure 4.
Ðèñóíîê 4.
Figure 2. Examples of chimney heights required for fire safety regulations.
Ðèñóíîê 2. Ïðèìåðû òðåáîâàíèé ïîæàðíîé áåçîïàñíîñòè ê âûñîòå äûìîõîäà.
2. Protective distances
The protective distance between the inflammable
structures and the chimney outer casing must be
minimum 100 mm. In lead-through the chimney
and the roof structures have to be filled with fire-
resistance rated mineral wool. If the connecting
pipe in the forward end is of non-isolated
material, the protective distance from this pipe
to inflammable construction materials needs to
be 1000 mm. Furthermore, the isolated chimney
should be visible up to a minimum
of 430 mm (figure 3).
If the chimney is connected to a
sauna stove equipped with a pipe-
model water tank, the bare part of
the smoke pipe must be equipped
with a radiation cover (figure 4).
The water tank installation should
follow the protective distances
from the mounting instructions.
In case the protective distance
requirements for the furnace
are higher than for the chimney
the distance can be reduced
by installing non-flammable
protective plates. The protective
distance requirements are
specified in the installation
manual. A single flange halves the
protective distance and a double
flange to a quarter. Either a 7.0
mm non-flammable wallboard or a
minimum 1.0 mm metal sheet can
be used for such light protection.
The board or sheet gap from the
protected, inflammable material
must be minimum 30 mm and
the air circulation secured in
the gap through the lower and
upper end of the protecting
construction. If a double flange
protective plate is used, a 30 mm
gap should be constructed using
bushing manufactured out of non-
flammable materials allowing free
air circulation through the upper
and lower end of the plates.
More detailed instructions
available from the local fire
authorities.
2. Áåçîïàñíîå ðàññòîÿíèå
Áåçîïàñíîå ðàññòîÿíèå ìåæäó âîñïëàìåíÿþùèìèñÿ
êîíñòðóêöèÿìè è âíåøíåé ñòàëüíîé ðóáàøêîé
äûìîõîäà äîëæíî ñîñòàâëÿòü íå ìåíåå 100 ìì. Ïðè
ïðîâåäåíèè ïðîõîäà ðàññòîÿíèå ìåæäó äûìîõîäîì
è êîíñòðóêöèÿìè êðûøè äîëæíî áûòü çàïîëíåíî
îãíåñòîéêîé ìèíåðàëüíîé âàòîé. Åñëè â íà÷àëüíîé
÷àñòè äûìîõîäà áûëà èñïîëüçîâàíà ïðîìåæóòî÷íàÿ
òðóáà áåç èçîëÿöèè, áåçîïàñíîå ðàññòîÿíèå ìåæäó
äàííûì ó÷àñòêîì äûìîõîäà è âîñïëàìåíÿþùèìèñÿ
êîíñòðóêöèÿìè, ñîãëàñíî òðåáîâàíèÿì
ïîæàðíîé áåçîïàñíîñòè, âîçðàñòàåò äî 1000
ìì. Íåîáõîäèìî ó÷èòûâàòü, ÷òî â ïîìåùåíèè
ó÷àñòîê âèäèìîé èçîëèðîâàííîé òðóáû
äîëæåí ñîñòàâëÿòü íå ìåíåå 430 ìì (ðèñ. 3).
Åñëè äûìîõîä ïîäñîåäèíÿåòñÿ ê êàìåíêå,
îñíàùåííîé âîäîíàãðåâàòåëåì òðóáíîãî
òèïà, òî íåèçîëèðîâàííóþ ÷àñòü âíóòðåííåé
òðóáû íåîáõîäèìî çàùèòèòü ýêðàíîì
òåïëîâîãî èçëó÷åíèÿ (ðèñ. 4). Ïðè ìîíòàæå
ðåçåðâóàðà äëÿ âîäû íåîáõîäèìî ó÷èòûâàòü
òðåáîâàíèÿ ê áåçîïàñíûì ðàññòîÿíèÿì.
Åñëè òðåáîâàíèÿ ê áåçîïàñíîìó ðàññòîÿíèþ
òîïêè âûøå, ÷åì ó äûìîõîäà, òî áåçîïàñíîå
ðàññòîÿíèå ìîæíî óìåíüøèòü ñ ïîìîùüþ
çàùèòíîé ïëàñòèíû, èçãîòîâëåííîé èç
íåãîðþ÷èõ ìàòåðèàëîâ. Òðåáîâàíèÿ ê
áåçîïàñíûì ðàññòîÿíèÿì òîïêè óêàçàíû
â èíñòðóêöèè ïî åå ìîíòàæó. Îäèíàðíàÿ
çàùèòà ñîêðàùàåò áåçîïàñíîå ðàññòîÿíèå
âïîëîâèíó, à äâîéíàÿ çàùèòà – äî îäíîé
÷åòâåðòîé ÷àñòè. Îäèíàðíóþ çàùèòó ìîæíî
èçãîòîâèòü èç íåãîðþ÷åãî ñòðîèòåëüíîãî
ëèñòà, ïîäõîäÿùåãî äëÿ ýòèõ öåëåé,
òîëùèíîé íå ìåíåå 7,0 ìì è ìåòàëëè÷åñêîãî
ëèñòà òîëùèíîé íå ìåíåå 1,0 ìì. Ìåæäó
âîñïëàìåíÿþùèìñÿ ìàòåðèàëîì è çàùèòíûì
ýëåìåíòîì íåîáõîäèìî îñòàâèòü çàçîð íå
ìåíåå 30 ìì, îáåñïå÷èâàþùèé ñâîáîäíóþ
öèðêóëÿöèþ âîçäóõà ìåæäó âåðõíèìè è
íèæíèìè ïëàñòèíàìè çàùèòíîãî ýëåìåíòà.
Ïðè èñïîëüçîâàíèè äâóõñëîéíîé çàùèòû
ìåæäó ëèñòàìè íåîáõîäèìî, ñ ïîìîùüþ,
íàïðèìåð, ðàñïîðíûõ âòóëîê èç íåãîðþ÷åãî
ìàòåðèàëà, îñòàâèòü çàçîð íå ìåíåå 30 ìì,
îáåñïå÷èâàþùèé ñâîáîäíóþ öèðêóëÿöèþ
âîçäóõà ìåæäó îáåèìè ïëàñòèíàìè çàùèòíîãî
ýëåìåíòà.
Çà áîëåå ïîäðîáíûìè èíñòðóêöèÿìè ìîæíî
îáðàòèòüñÿ â ìåñòíûå îðãàíû ïîæàðíîé
áåçîïàñíîñòè.
Radiation cover
Çàùèòà îò òåïëîâîãî
èçëó÷åíèÿ
Figure 3.
Ðèñóíîê 3.
min. 430 mm
ìèí. 430 ìì
