[MEP Director] What should be noted for MEP embedded conduits and reserved openings?

[MEP Director] What should be noted for MEP embedded conduits and reserved openings?

Mainly to avoid omissions and misalignment. Sleeves and junction boxes in structural walls must be embedded before rebar tying, as they cannot be modified after concrete pouring. It is recommended to use BIM for pre-positioning and to conduct on-site verification before pouring.