An emergency helicopter landing facility shall meet the following minimum requirements:
1. Approach-Departure Path: The facility shall have two approach-departure paths with a 90-degree arc of separation between the two.
2. Touchdown Pad: The touchdown pad shall have a dimension of 50 feet by 50 feet.
NOTE: The touchdown pad is the same size as the take-off and landing area.
3. Peripheral Area: The peripheral area (obstruction-free safety zone) surrounding the take-off and landing area/touchdown pad shall be 25 feet from the edge of the take-off and landing area.
4. Safety Net: If the touchdown pad is elevated more than 30 inches above the adjoining roof level, a horizontally attached safety net shall be installed around the perimeter. The safety net shall be located in such a manner that it will not penetrate the approach-departure paths.
5. A wind-indicating device shall be provided.
6. Fire Protection: One Class H standpipe in accordance with Chapter 9 of the Los Angeles Municipal Code (Plumbing Code) shall be provided. A weather-resistant cabinet for fire hose shall be provided with 100 feet of rubber-lined, single-jacketed, 1 1/2 inch fire hose equipped with a fog nozzle.
7. The emergency helicopter landing facility shall be marked as indicated in Figure 57.4705.4.
EXCEPTION: Heliport marking as defined in FAA Advisory Circular 150/5390 2B for private use or public use may be accepted.
NOTES:
1. The preferred touchdown pad background color is white.
2. The red numeral indicates the allowable weight, in thousands of pounds, that the facility is capable of supporting.
3. The numeral shall be oriented toward magnetic north.
4. Allowable weight shall not be in metric units.