併設

1. Origins, structure, and basic meaning

• Structure: 併設, read へいせつ, means establishing or providing facilities together.
• Basic usage: Use 併設する when adding a facility alongside another or providing facilities on the same site.

2. Common pitfalls and similar expressions

• An established state and an establishing action
  • 喫茶店が併設されている passively describes a cafe provided alongside the other facility.
  • 体育館とプールを同じ敷地に併設した actively describes establishing both facilities on the same grounds.
• Co-location versus combination
  • 併設 focuses on providing facilities together. It does not by itself mean their functions or organizations were merged into one.