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The Gillig Low Floor (originally named Gillig H2000LF and also nicknamed Gillig Advantage [1]) is a transit bus manufactured by Gillig since 1997. [2] The second low-floor bus design introduced in the United States (after the New Flyer Low Floor), the Low Floor originally served as a second product range for the company alongside the Gillig Phantom.
This high ceiling phenomenon can be easily explained by saying that retailers need room for hanging signs or space to put security cameras. But there’s a more subtle reason for these sky-high ...
The lower floor often has lower ceilings and is partially below ground. However, in many modern split-foyer homes, the lower level is at grade, which necessitates an outdoor staircase to reach the front door. These homes often have very high ceilings on the lower level to accommodate the home's HVAC ducting.
Belton House.Externally the windows of the servant's semi-basement are visible at ground level. Internally they are too close to the ceiling to have a view. In architecture, a semi-basement, lower ground, lower level, etc. is a floor of a building that is half below ground, rather than entirely such as a true basement or cellar.
Typical floor heights of low-floor trams are 300 to 350 mm (11.8 to 13.8 in), and the Ultra Low Floor tram has a floor height of only 180 mm (7.1 in). For comparison high-floor trams are typically more than 600 mm (23.6 in) and rapid transit using heavy rail trains has floor heights of 800 to 1,200 mm (31.5 to 47.2 in).
The study also showed that energy waste due to stratification was present at ceiling heights ranging from 20 ft. to 40 ft, and higher ceilings caused higher energy waste, even at the same ΔT. Since ΔT tends to be higher in taller ceilings, the effect of stratification is compounded, causing substantial energy waste in high-ceiling buildings.
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UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor diffusers), located at or near floor level within the occupied space. Air returns from the room at ceiling level or the maximum allowable height above the occupied zone. [1]