the empire state building run-up, a foot race from ground level to the 86th-floor observation deck, has been held annually since 1978. its participants are referred to both as runners and as climbers, and are often tower running enthusiasts. the race covers a vertical distance of 1,050 ft 320 m and takes in 1,576 steps.
this fence 900 ft long was recreated in 1970 by volunteers. the 89 ten-foot panels were replaced in 1995 and in late 2006 the entire fence was in turn replaced, again by volunteers, using 74 similar twelve-foot panels and new gates - but creosoted, rather than painted.
the panels vary in size but can range upwards of 64 by 8 feet 19.5 by 2.4 m and in the case of cross-laminated timber clt can be of any thickness from a few inches to 16 inches or more. 2 these products are engineered to precise design specifications which are tested to meet national or international standards.
for sheep, they are usually 6 ft 1.8 m long and 3 ft 1 in 0.94 m high, while for cattle they are commonly 9 ft 2.7 m or more long and 5 ft 1.5 m high. they are usually joined by pins or hooks, both to each other and to handling facilities such as a cattle crush.
the height of the empire state building, to its 102nd floor, is 1,250 ft 381 m , 1,453 feet 8 9 ⁄ 16 inches 443.092 m including its 203-foot 61.9 m pinnacle. the building has 85 stories of commercial and office space representing a total of 2,158,000 sq ft 200,500 m 2 of rentable space.
a feature of the station for many years was the long white paling fence observable in early photographs. this fence 900 ft long was recreated in 1970 by volunteers. the 89 ten-foot panels were replaced in 1995 and in late 2006 the entire fence was in turn replaced, again by volunteers, using 74 similar twelve-foot panels and new gates - but creosoted, rather than painted.
the aviation partners/boeing 8 ft 2.4 m extensions decrease fuel consumption by 4% for long-range flights and increase range by 130 or 200 nmi 240 or 370 km for the 737-800 or the derivative boeing business jet as standard. also offered for the 737 classic, many operators have retrofitted their fleets with these for the fuel savings.
plywood was introduced into the united states in 1865 and industrial production started shortly after. in 1928, the first standard-sized 4 ft by 8 ft 1.2 m by 2.4 m plywood sheets were introduced in the united states for use as a general building material.
security precautions included a $17 million, 8-foot-high, 7.5-mile-long fence topped with barbed and razor wire, which encompassed the landward access to the resort; but no protests were reported from the suppliers of the fencing materials.
the new safe confinement was constructed 180 metres 590 ft west of reactor 4, and slid into place. sliding of the structure along foundation rails was a difficult process. it was pushed on teflon pads by hydraulic pistons, and guided by lasers. as of 2018, the new safe confinement is the world's largest movable land-based structure.
in the united states and canada, firewood is usually sold by the cord, 128 ft³ 3.62 m³ , corresponding to a woodpile 8 ft wide × 4 ft high of 4 ft-long logs. the cord is legally defined by statute in most u.s. states. a 'thrown cord' is firewood that has not been stacked and is defined as 4 ft wide x 4 ft tall x 10 ft long. the additional .