Base 1 - 568 Hour,
Required Mods:
Color Coding - https://forums.factorio.com/viewtopic.php?f=144&t=13907
Launch Control - https://forums.factorio.com/viewtopic.php?f=93&t=15308
Landfill - https://forums.factorio.com/viewtopic.php?f=91&t=4973 (only required due to assemblers set with the recipie)

Optional Mods:
Crafted Artifacts (nothing built/researched) - https://forums.factorio.com/viewtopic.php?f=93&t=14258
FAT Controller - https://forums.factorio.com/viewtopic.php?f=92&t=4504
Foreman - https://forums.factorio.com/viewtopic.php?f=92&t=14243
True Long Reach - https://forums.factorio.com/viewtopic.php?f=92&t=24120
Blueprint Flipper - https://forums.factorio.com/viewtopic.php?f=92&t=23106
Rename Trains - https://forums.factorio.com/viewtopic.php?f=92&t=23906