(1) parking and lifting area and refuge place centralized layout. Usually requires a large site area. To ensure that the helicopter lifting, hovering, firefighting equipment handling, personnel evacuation, casualty rescue, sheltering and many other requirements, its plane shape size should not be smaller than the rotor diameter of the helicopter rotor diameter of 1.5 times Considering the use of the machine M of the type of the more as well as the dimensions of the current model . Site area of the actual
International meet 20mX20m can give full play to
(2) parking and lifting area and refuge place separate arrangement of this arrangement is more flexible, only to meet the parking and lifting area of 15
rnX15
m can be, but the refuge area should be in line with the principle of safe and convenient layout, its form, area, number of restrictions, should be based on the actual situation. Should be based on the actual situation.
In addition, the area of the roof emergency rescue space, according to the actual use of experience, should not be less than 10
X
10
m, and should be considered for refuge, ambulance operation area 3.
2 marking and spatial obstacles helicopter lifting and hovering, on the direction of entry and the landing zone need to have a conspicuous Marking. The sign of the landing zone with a yellow landing range
38 lines and H symbols to indicate that the emergency rescue space with K symbols to indicate the stairwells, water tanks, *** with antennas, lightning rods, cooling towers and other obstacles should be avoided takeoff and landing site 5m dagger at the same time as far as possible to avoid the site has a large undulation, to prevent turbulence generated.