Equipment requires 56 days for fabrication and delivery and is needed on day 140. What is the latest release day?
Correct Answer
C) Day 84
Latest release is day 140 - 56 days = day 84.
Why This Is the Correct Answer
Latest release is day 140 - 56 days = day 84.
Why the Other Options Are Wrong
Option A: Day 56
delivery lead-time latest release, choice a: Day 56 is wrong because day 56 uses the wrong side of the schedule subtraction or omits one duration component.
Option B: Day 96
delivery lead-time latest release, choice c: Day 96 uses the wrong side of the schedule subtraction or omits one duration component.
Option D: Day 196
delivery lead-time latest release, choice d: Day 196 is wrong because day 196 uses the wrong side of the schedule subtraction or omits one duration component.
Memory Technique
Picture a cover note labeled delivery lead-time latest release: finish every operation before accepting Day 84.
Reference Hint
Open Construction Jobsite Management, 5th Ed. (2024); use by topic index - material handling / storage / weather protection to confirm that Latest release is day 140 - 56 days = day 84.
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