During the construction of a house, six joists of 24 feet each must be trimmed to the
Question:
During the construction of a house, six joists of 24 feet each must be trimmed to the correct length of 23 feet. The operations for cutting a joist involve the following sequence:
Three persons are involved: Two loaders must work simultaneously on operations 1, 2, and 5, and one cutter handles operations 3 and 4. There are two pairs of saw horses on which untrimmed joists are placed in preparation for cutting, and each pair can hold up to three side-by-side joists. Suggest a good schedule for trimming the six joists.
Transcribed Image Text:
Operation Place joist on saw horses Measure correct length (23 feet) Mark cutting line for circular saw Trim joist to correct length Stack trimmed joist in a designated area Time (seconds) 15 5 5 20 20
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Let Lops 1 and 220 sec Cops 3 and 425 sec Uop 520 sec Gant chart L1load horse 1 L2...View the full answer
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