Villa lightning protection practices
The selection and quality of construction materials required for connecting reinforced concrete column and the bottom is 16 bar, the main reinforcement columns for lightning deflectors; direct purchase of finished products, attention must be hot galvanized products; lightning protection belt with 40mm * 4mm hot galvanized flat steel; all materials must have a certificate or the quality of the products the certificate for each batch of material to make material records, and notify the quality of materials and materials in the scene view record can only be used on the project signature, which is the premise of ensuring the quality of the project.
Due to the use of the main bar as the lead line, so the measurement of grounding resistance disconnect clamp are arranged inside the outer wall of 0.5 meters from the ground, unified by the door on the right side column is set, the cassette loaded, with cover and good grounding mark, please timely quality inspection departments to conduct inspection and measuring resistance, measurement data will be recorded.
The grounding body is generally divided into artificial grounding and natural grounding construction, natural grounding body mainly pay attention to two key quality control points, a plate of reinforced lap welding to form a closed loop, which makes the whole floor as a whole, the other is a main bar and floor reinforcement the welding quality should be excellent; and the grounding connection plate is arranged on the main bar outside the room below ground, please timely supervision of covert inspection, well concealed inspection records.
