The Structural Engineer > Archive > Volume 44 (1966) > Issues > Issue 11 > Structural Aspects of the Extension of a Hangar for the BOAC at London Airport. Discussion on the pa
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Structural Aspects of the Extension of a Hangar for the BOAC at London Airport. Discussion on the paper by N. J. Payne OBE BScEng CEng MICE and K. F. Shadbolt CEng AMlStructE

The Chairman remarked that the paper had referred to a 2-ton crane, the existing 2-ton cranes in the low-level hangar having been taken down, reconditioned and re-erected one bay further out on the cantilever roof. But Fig 6 showed a 5-ton crane on the outer part of the cantilever roof. Was that the crane referred to, or was there another 2-ton crane somewhere? If it was a 5-ton crane that had been moved out, had it been necessary to strengthen the roof structure?