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These outward opening doors are useful at weather deck entrances to compartments above the main deck. [11] Joiner doors are similar to doors used in conventional buildings ashore. They afford privacy and temperature control for compartments formed by non-structural bulkheads within the ship's hull. [11]
Best value procurement (BVP) is a procurement method that looks at factors other than only price, such as quality and expertise, when selecting vendors or contractors. [1] [2] [3] In a best value system, the value of procured goods or services can be simply described as a comparison of costs and benefits. A contractor or vendor is thus selected ...
Bulkhead door, an angled door covering the exterior stairwell of a basement; Bulkhead flatcar, a type of rolling stock designed with sturdy end-walls to prevent loads from shifting past the ends of the car; Rear pressure bulkhead, an airtight structural feature of an aircraft
The speed doors are flexible and light doors for intensive industrial use. High-speed doors are door systems, mainly used in industrial applications. They are technical enhancements of the generally known sectional doors, PVC fabric doors or roller shutters. The main difference is that the durable construction provides a higher operating speed ...
With $48.666 billion in business with the U.S. federal government, Lockheed Martin, based in Bethesda, Maryland, is the largest U.S. federal government contractor. The Top 100 Contractors Report (TCR 100) is a list developed annually by the General Services Administration as part of its tracking of U.S. federal government procurement.
Bulkhead also refers to a moveable structure often found in an Olympic-size swimming pool, as a means to set the pool into a "double-ended short course" configuration, or long-course, depending on the type of event being run. Pool bulkheads are usually air-fillable, but power driven solutions do exist.
The use of gearless bulk carriers avoids the costs of installing, operating, and maintaining cranes. (Photo: Berge Athen , a 225,000 ton gearless bulk carrier.) Self-dischargers are bulk carriers with conveyor belts , or with the use of an excavator that is fitted on a traverse running over the vessel's entire hatch, and that is able to move ...
The aft pressure bulkhead is the white circular component; its web-like structure led a NASA technician to attach a large model spider to it for comedic effect. The aft pressure bulkhead or rear pressure bulkhead is the rear component of the pressure seal in all aircraft that cruise in a tropopause zone in the Earth's atmosphere. [1]