Table 6 Basic information of construction projects.

From: Dual-objective optimization of prefabricated component logistics based on JIT strategy

Project number

Time window constraint

Time to lift a single component

Type

Average time (min)

1

(8:00, 10:00, 16:00, 19:00)

Laminated board

16

Stairs

22

2

(7:30, 9:00, 16:00, 18:30)

Laminated board

15

Stairs

24

3

(8:30, 10:30, 16:00, 19:30)

Laminated board

15

Stairs

23