Thursday, January 31, 2013

Gangway & Barge

 GANGWAYS. Floats are usually connected to the shore or pier by a gangway. The length of the gangway depends on the maximum water level variation. Gangways should not be less than 15 feet (4.5 m) long, the normal being 40 to 50 feet (12 to 15 m). The width should be at least 5 feet (1.5 m). Floating gangways 5 feet (1.5 m) or less wide should have longitudinal outriggers
spaced every 8 to 10 feet (2.5 to 3 m) to prevent excessive rolling of the gangway. Widths of 6 to 8 feet (2 to 2.5 m) enable baggage carts or other freight equipment to be
used. Handrails, preferably on both sides, should be provided. A slope of 2.75:1 or less permits easy walking and reduces the danger of the railings becoming an obstruction to wings. If the facility is to adequately serve the public, requirements contained in the  Disabilities act accessibility guidelines should be satisfied.
 BARGES. A barge anchored offshore makes an excellent seaplane service facility. An office, lounge, or shop is normally included "aboard;" and floating docks can be added alongside the barge. The barge may be anchored directly to the shore or to a pier by booms and a gangway or anchored offshore in a fixed position. A barge is a flat-bottomed boat, built mainly for river and canal transport of heavy goods

Qualty,Safety and Training
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