Once suitable systems have been analyzed and approved for habitation, assigned as colonies or outposts, ships will begin transporting people, equipment and supplies for several construction phases. You won't see full cities and populations spring up. Instead, construction towns are established to build habitation centers that perform specialized functions either for the colony infrastructure or for the colony's mission. Over time, these will merge and integrate as the population grows and spreads.
Haulers need not be huge to bring in enough to stage each project in different locations. The first class of Heavy Haulers are a mere 1000 tons. Being able to land allows them to be on site to quickly disembark passengers as they wake from cryo while unloading material is efficiently distributed. Any material to return to base is also easily swapped out. Using low berths with a competent medical facility cuts back tremendously on space and life support needs for so many people that can be used for more cargo. This is also why these vessels don't use fuel/cargo containers or fuel bladders, every ton is for cargo. Drop tanks are too hazardous at this tech level. If it Is determined there are important worlds beyond a 1 parsec rift, a fuel/supply depot will be established for regular hauler traffic. Exploration and survey ships may still rely on their integral F/CC systems.
Heavy Hauler (Colony carrier) 1000 ton TL 8 MCr.453.201
Hull: Streamlined, light
Maneuver: 1g, prototype (Increased size)
Jump: 1, prototype (Increased size)
Power: Fusion TL 8 340 PPs
Fuel: 1x Jump1, 9.6 weeks operation
Software: Maneuver/0, Library, Jump Control/1, Prototype (10 bandwidth)
Staterooms: 10 standard Crew- pilot, astrogator, 2 engineers, maintenance, 3 medics, officer, administrator.
Cargo: 547.75 tons
Options: Fuel scoops, Fuel processor (20 tons/day), 300 low berths, medical bay (10 patients), hangar for 10 ton cargo loader, cargo crane, common area, stables (20 cattle)
Cargo hauler TL 8 MCr. 0.081
Heavy ground 20 spaces Agility -1 Hull 60
Speed (cruise) Medium (Slow) Reduced fuel capacity Range 100
Improved controls, Basic communications, Basic sensors, Heavy crane (10 tons)
Cargo: 48 tons