| 31. | The entire structure has a design life of 25 years.
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| 32. | Intelsat 14 replaced Intelsat 1R which was at the end of its design life.
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| 33. | The facility was to have a 40-year design life.
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| 34. | Generation II reactor designs generally had an original design life of 30 or 40 years.
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| 35. | Altogether, Amtrak has identified 224 bridges along Acela's route that are beyond their design life.
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| 36. | As such, TIRS only has a three-year design life.
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| 37. | The pavement will be rehabilitated as it has reached the end of its design life.
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| 38. | The satellite has a design life of five years.
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| 39. | It had a design life of 7.5 years, and ceased operations on 23 October 2007.
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| 40. | By 2013, the two lane masonry arch bridge has over lived its design life span.
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