1. Rigid casing installation: After the main structure steel bars are bound, find the position according to the size of the water supply and drainage construction icon, and then place the casing in the steel bars and weld them in the steel mesh;
2. Installation of through-wall casing: When the civil engineering major is building the partition wall, the casing should be placed in the partition wall according to the height of the professional construction icon and the geometric size, leveled with blocks and fixed with mortar, and then handed over to the civil engineering team to continue the construction. .
The functions of fire pipes are:
1. The fire pipeline network is the water pipeline used for fire prevention and fire extinguishing;
2. Fire-fighting pipeline refers to the pipeline materials used for fire-fighting, connecting fire-fighting equipment and equipment, and transporting fire-fighting water, gas or other media;
3. Due to special requirements, the thickness and material of fire pipes have special requirements, and red paint is sprayed to transport fire water;
4. The outdoor fire-fighting pipe ring network system is a fire-fighting water supply system arranged in a ring around the building. .
