Helicopter deck preferably for use in offshore oil drilling production platforms

摘要: A helicopter deck (1) preferably for use on offshore oil drilling/production platforms and provided with a fire extinguishing system. The periphery of the is gutter (2) having one, several, down pipes (3) distributed around deck. Centrally in deck, water discharge orifices (4) are provided, supplied under pressure flooding surface (5). Control levers (6) arranged at controlling supply to via valves. On (5), grate (7) subdivided into sector units (10') comprising parallel diagonal ribs (8) which together adjacent surround (4). Each rib forms an acute angle relative facing toward (4), said being supported spaced distance above (5) by spacer members (9) form watertight walls dividing sectors (10). horizontal, radial direction beneath (8).