Possible Clues:

• It's put up for work on the outside
• Gibbet
• A spot of capital punishment
• Small diner with long-standing sign of building work
• Raised platform around a building under construction
• Last place you'd have found 11 across in the past is not for the innocent swingers
• Platform
• Platform turned upside-down in watery burn
• A very loud reprimand's given outside place for punishment
• Starting to run up into burn where many died