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A "bridge sufficiency rating" is calculated, which is based 55% on the structural evaluation, 30% on the obsolescence of its design, and 15% on its importance to the public. As of 2008, a score of 80 or less is required for federal repair funding or 50 or less for federal replacement funding.
In 1911, two civil engineering organizations, the Bridge Builders Society and the Structural Steel Society, began cooperating to form broad codes of ethics and practices within the profession. [1] In 1917, during World War I , the two groups merged into the War Service Committee which helped procure fabricated structural steel and coordinate ...
A train inspection system is one of various systems of inspection which are essential to maintain the safe running of rail transport. Because safety is of high importance when train cars move across the rails, there must be inspections. The cars are heavy and have moving parts that can break or become defective.
Internal rotary inspection system (IRIS) is an ultrasonic method for the nondestructive testing of pipes and tubes. The IRIS probe is inserted into a tube that is flooded with water, and the probe is pulled out slowly as the data is displayed and recorded. The ultrasonic beam allows detection of metal loss from the inside and outside of the ...
A classification for the structural system of a high-rise was introduced in 1969 by Fazlur Khan and was extended to incorporate interior and exterior structures. The primary lateral load-resisting system defines if a structural system is an interior or exterior one. [2] The following interior structures are possible: Hinged frame; Rigid frame
A vehicle inspection, e.g., an annual inspection, is a necessary inspection required on vehicles to conform with laws regarding safety, emissions, or both. It consists of an examination of a vehicle's components, usually done by a certified mechanic.
FM 21-15 Individual Clothing and Equipment - Used to instruct care for clothing and equipment. FM 20-3 CAMOUFLAGE, CONCEALMENT, AND DECOYS; FM 24-1 Combat Communications; FM5-15 Field Fortifications: 1783, 1916, 1940, 1944, 1968, 1972; FM 3-05.70 U.S. Army Survival Manual –Used to train survival techniques (formerly the FM 21-76).
A training system may also incorporate a training manual that may serve as a guide, reference source, or both during training. A training system typically mandates the use of specific teaching methods for coursework; the choice of the teaching methods to be used depends largely on the information or skill being taught and the aptitude and ...