3. Layout of transportation roads

The transportation roads should meet the transportation requirements of materials and components so that they can lead to each warehouse and yard; the transportation roads should meet the fire protection requirements, with a minimum width of 3.5m, a single road of automobiles ≥3.0m; a double road of automobiles ≥6.0m; a single road of flatbed trailers ≥4.0m; a single road of flatbed trailers ≥8.0m; the transportation roads should be arranged in an annular shape around the building as much as possible. Otherwise, a 12m×12m return yard should be set up at the end of the road to facilitate smooth flow. The roads in the field should be connected to the off-site roads. The main intersection is located on the city secondary road and a mailroom is set up.

Transportation roads should try to make use of existing roads or proposed roads; transportation roads should avoid planned projects, temporary facilities and underground pipelines.

4. Layout of temporary facilities

The doorman and mailroom are arranged at the entrance and exit of the site, and the office can be arranged inside the doorman; the workers' lounge, dormitory (2 square meters/person), and office (3-4 square meters/person) should be arranged on the safe upwind side, separate from the work area and maintain a safe distance; the peak number of people in the canteen * 0.5, the water room is 20m2, and the toilet (peak number of people * 1.1 * 0.05) is close to the workers' dormitory.

5. Layout of temporary water supply and power supply lines

(1) Layout of water supply lines

On the premise of ensuring water supply, the water supply line should be kept the shortest length and generally arranged in a supporting shape. The water supply line should lead to all water points, such as mixing stations, brick piles, living areas, etc.; fire water pipes and production and domestic water pipes can be combined. Fire tools and fire hydrants are > 5 meters away from the building, < 25 meters, no more than 2 meters away from the roadside, and no more than 120 meters.

The water supply line should be buried in a hidden way, led out at the point of use, and a faucet and valve should be installed; the water supply pipeline shall not hinder the under-construction or proposed construction, and shall generally be arranged along one side of the road. The distance to the proposed building should be greater than 10m, and the turn should be at a right angle.

(2) Layout of power supply lines

The power supply line should lead to all power-using machinery, processing sheds and living areas, and is generally arranged in an annular shape; the power supply line should be arranged beside the fence or the roadside, and the distance to the building should be greater than 10m; the power supply line should be buried with cables with a depth of not less than 0.6m, and 50mm thick fine sand should be laid up and down the cables, and then covered with hard protective layers such as bricks and then covered with soil. Protective casings must be added to cross the road or lead-out. Overhead power supply lines should be outside the service scope of the tower crane; the power supply should lead to all power-using machinery, processing sheds and living areas.

The plan should be placed as much as possible to make the plan of the proposed building within the service scope of the tower crane, avoid "blind corners" or minimize "blind corners". The service scope of the tower crane should be drawn on the floor plan. 6) When determining the service scope of the tower crane, a wide construction land should be considered to be needed to arrange components stacking; the hopper of the mixing equipment can be directly hooked and lifted; the main construction roads should also be arranged within the service scope of the tower crane.

7) Selection of tower crane: lifting weight ≥ (1.1-1.3) lifting weight

Lifting height ≥ House height + hanging object height + scaffolding over roof height + 3.5m (pitch + sling)

(2) Layout of concrete pump
Chapter completed!