Wall reinforcement shop drawings for the Hilton Hanoi Opera renovation project. Covers details for W220 and V220 walls from floors 4 through 9, including layout plans and sections. I’ve included the specific chemical anchoring specs using Hilti Re500v3 and reinforcement schedules. Bản vẽ shopdrawing chi tiết vách W220, V220 từ tầng 4 đến tầng 9 dự án cải tạo khách sạn Hilton Hanoi Opera.