Build site
Материал из Guild Wars 2 wiki
Build sites (or construction sites) are created in WvW when a player places a blueprint on the battlefield in order to build a siege weapon.
Placement
These sites can be created almost anywhere, but choosing a good location is important since only Siege golems can be moved, and they are easily destroyed.
Constructing
When build sites are created any player on the constructor's team can add supply to it, increasing its health. When its health reaches 100% it becomes a fully functional siege weapon.