Build the sequence from crew-days
One work package · Steel erection sequence
Fixed example: 122 planned picks · 100 tons of steel
One raising gang · one crane · 10-hour shifts
Raising-gang days for this sequence
0612 crew-days
Extra-heavyHeavyExtra-light
Sequence erection duration
One gang · consecutive shifts
Labor per crew-day
People × 10 hours
Sequence erection labor
Crew-days × MH/crew-day
Back to the production equationRaising-gang labor only
MH / pick
÷
tons / pick
≈
MH / ton
Illustrative 100-ton package · whole-package averages · displayed values rounded
Crew-size comparison. Pick rates are held fixed here to show the labor effect. Changing gang size on a job may also change those rates.
Rate assumptions stay independent of headcount · erection scope only