What is the main content of the layout plan of the construction site? Hongshi’s analysis of the professional truth in front of him – key points for reference (1) all aboveground and underground buildings and structures; (2) Layout of various construction machinery and equipment; (3) Layout of surrounding roads, buildings and roads in the site; (4) Temporary production and living facilities; (5) Temporary water supply, power supply lines and water sources; (6) Zero yard and warehouse of various materials and semi-finished products..