[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.32,0:00:02.50,Default,,0000,0000,0000,,When roofing with an open flame
Dialogue: 0,0:00:02.50,0:00:04.90,Default,,0000,0000,0000,,a gas burner is used.
Dialogue: 0,0:00:04.90,0:00:06.18,Default,,0000,0000,0000,,It produces long flames and
Dialogue: 0,0:00:06.18,0:00:07.55,Default,,0000,0000,0000,,can easily start a fire
Dialogue: 0,0:00:07.55,0:00:09.32,Default,,0000,0000,0000,,in materials nearby,
Dialogue: 0,0:00:09.32,0:00:10.75,Default,,0000,0000,0000,,or lead warmth
Dialogue: 0,0:00:10.75,0:00:12.83,Default,,0000,0000,0000,,through cavities, ducts and so on.
Dialogue: 0,0:00:14.93,0:00:17.54,Default,,0000,0000,0000,,This is especially dangerous in older buildings
Dialogue: 0,0:00:17.54,0:00:19.71,Default,,0000,0000,0000,,where isolation often consists of
Dialogue: 0,0:00:19.71,0:00:22.55,Default,,0000,0000,0000,,wood shavings, newspapers or other material
Dialogue: 0,0:00:22.55,0:00:24.10,Default,,0000,0000,0000,,that can easily ignite.
Dialogue: 0,0:00:24.84,0:00:26.99,Default,,0000,0000,0000,,Metal can also lead warmth
Dialogue: 0,0:00:26.99,0:00:29.54,Default,,0000,0000,0000,,and start a fire at a completely different
Dialogue: 0,0:00:29.54,0:00:31.06,Default,,0000,0000,0000,,place than on the roof.
Dialogue: 0,0:00:31.52,0:00:32.90,Default,,0000,0000,0000,,Therefore you should bring tools
Dialogue: 0,0:00:32.90,0:00:35.14,Default,,0000,0000,0000,,you can use to remove planks and tiles with,
Dialogue: 0,0:00:35.14,0:00:37.59,Default,,0000,0000,0000,,since these places are difficult to reach.
Dialogue: 0,0:00:38.85,0:00:40.58,Default,,0000,0000,0000,,Roofing with an open flame is also
Dialogue: 0,0:00:40.58,0:00:42.44,Default,,0000,0000,0000,,regulated in the safety regulation:
Dialogue: 0,0:00:43.39,0:00:45.16,Default,,0000,0000,0000,,It is prohibitied to use open flame
Dialogue: 0,0:00:45.16,0:00:47.60,Default,,0000,0000,0000,,on lined and ventilated wooden roofs.
Dialogue: 0,0:00:48.54,0:00:50.85,Default,,0000,0000,0000,,On compact roofs open flame is permitted
Dialogue: 0,0:00:50.85,0:00:52.89,Default,,0000,0000,0000,,if flammable insulation is protected with
Dialogue: 0,0:00:52.89,0:00:55.99,Default,,0000,0000,0000,,at least 30 mm non-combustible insulation.
Dialogue: 0,0:00:57.24,0:00:59.94,Default,,0000,0000,0000,,There must be a safety distance of 60 cm
Dialogue: 0,0:00:59.94,0:01:03.40,Default,,0000,0000,0000,,to parapet, cornice, ducts and so on
Dialogue: 0,0:01:03.40,0:01:05.85,Default,,0000,0000,0000,,if thes consist of combustible material.
Dialogue: 0,0:01:06.79,0:01:09.08,Default,,0000,0000,0000,,Hot air is a lot safer than
Dialogue: 0,0:01:09.08,0:01:10.34,Default,,0000,0000,0000,,open flames.
Dialogue: 0,0:01:10.78,0:01:12.26,Default,,0000,0000,0000,,Here the warm gas and air is
Dialogue: 0,0:01:12.26,0:01:13.92,Default,,0000,0000,0000,,shielded in a chamber.
Dialogue: 0,0:01:13.92,0:01:15.88,Default,,0000,0000,0000,,The biggest risk with this equipment
Dialogue: 0,0:01:15.88,0:01:18.58,Default,,0000,0000,0000,,is that it produces a lot of carbon dioxide
Dialogue: 0,0:01:18.58,0:01:19.90,Default,,0000,0000,0000,,that displaces the oxygen.
Dialogue: 0,0:01:20.51,0:01:22.63,Default,,0000,0000,0000,,When you are done and turn off the equipment
Dialogue: 0,0:01:22.63,0:01:24.16,Default,,0000,0000,0000,,oxygen-rich air rushes back,
Dialogue: 0,0:01:24.16,0:01:27.59,Default,,0000,0000,0000,,which can lead to ignition.
Dialogue: 0,0:01:29.19,0:01:32.11,Default,,0000,0000,0000,,Roofing can also be done with hot bitumen.
Dialogue: 0,0:01:32.11,0:01:34.37,Default,,0000,0000,0000,,Gas-fired bitumen boilers are used
Dialogue: 0,0:01:34.37,0:01:36.88,Default,,0000,0000,0000,,in order to heat the asphalt to 200 degrees celcius.
Dialogue: 0,0:01:36.88,0:01:39.14,Default,,0000,0000,0000,,Here the bitumen boiler is the main risk,
Dialogue: 0,0:01:39.14,0:01:40.72,Default,,0000,0000,0000,,not the roofing.
Dialogue: 0,0:01:41.07,0:01:42.46,Default,,0000,0000,0000,,It can overheat,
Dialogue: 0,0:01:42.46,0:01:44.00,Default,,0000,0000,0000,,causing the bitumen to ignite.
Dialogue: 0,0:01:44.00,0:01:46.91,Default,,0000,0000,0000,,Or warm bitumen can spray out of the boiler.
Dialogue: 0,0:01:48.43,0:01:51.85,Default,,0000,0000,0000,,When using a bitumen boiler you must follow these rules:
Dialogue: 0,0:01:52.84,0:01:54.85,Default,,0000,0000,0000,,The bitumen boiler must be placed on a non-combustible
Dialogue: 0,0:01:54.85,0:01:56.05,Default,,0000,0000,0000,,and level base,
Dialogue: 0,0:01:56.05,0:01:57.39,Default,,0000,0000,0000,,for example in a vessel,
Dialogue: 0,0:01:57.39,0:01:58.90,Default,,0000,0000,0000,,that can hold at least half of the
Dialogue: 0,0:01:58.90,0:02:00.46,Default,,0000,0000,0000,,content in the boiler and is at least
Dialogue: 0,0:02:00.46,0:02:03.33,Default,,0000,0000,0000,,30 cm wider than the boiler on all sides.
Dialogue: 0,0:02:04.14,0:02:05.46,Default,,0000,0000,0000,,The boiler must always be placed
Dialogue: 0,0:02:05.46,0:02:07.43,Default,,0000,0000,0000,,where it cause the least possible risk
Dialogue: 0,0:02:07.43,0:02:09.64,Default,,0000,0000,0000,,if it overheats or tips over.
Dialogue: 0,0:02:10.46,0:02:13.24,Default,,0000,0000,0000,,The boiler must be supervised at all times.
Dialogue: 0,0:02:14.46,0:02:16.100,Default,,0000,0000,0000,,Flammable material in the vicinity must be removed.
Dialogue: 0,0:02:18.25,0:02:20.61,Default,,0000,0000,0000,,On sloping grounds the boiler must be at least
Dialogue: 0,0:02:20.61,0:02:23.09,Default,,0000,0000,0000,,15 meters from flammable material.
Dialogue: 0,0:02:24.04,0:02:26.49,Default,,0000,0000,0000,,And at least 5 meters from
Dialogue: 0,0:02:26.49,0:02:29.37,Default,,0000,0000,0000,,buildings in non-combustible materials.
Dialogue: 0,0:02:30.46,0:02:32.02,Default,,0000,0000,0000,,Gas cylinders must be placed at
Dialogue: 0,0:02:32.02,0:02:34.23,Default,,0000,0000,0000,,least 5 metes from the boiler.
Dialogue: 0,0:02:35.51,0:02:36.72,Default,,0000,0000,0000,,Fire in a boiler must
Dialogue: 0,0:02:36.72,0:02:38.36,Default,,0000,0000,0000,,never be put out with water.
Dialogue: 0,0:02:38.36,0:02:39.63,Default,,0000,0000,0000,,If water comes in contact with
Dialogue: 0,0:02:39.63,0:02:40.74,Default,,0000,0000,0000,,the burning bitument,
Dialogue: 0,0:02:40.74,0:02:42.68,Default,,0000,0000,0000,,it can be thrown out of the boiler
Dialogue: 0,0:02:42.68,0:02:44.67,Default,,0000,0000,0000,,with great power.