L68B3 Mast Section Procedures for safe operation of Tower hoists
1. The demolition and assembly of Tower cranes must be carried out by a specialized team that has obtained the qualification certificate issued by the competent administrative department for construction. Technical and safety personnel shall be present and supervised during the demolition and assembly.
2. The arrangement, spacing and wall distance of the poles for each attachment device shall be in accordance with the original regulations, and the design calculation book shall be provided for the self-made poles.
3. The basic soil bearing capacity of the tower crane must be strictly in accordance with the original plant use regulations or meet: the medium-sized tower is 8 to 12 T / M2, and the heavy tower is 12 to 16 T / M2.
4. The metal structure of the tower crane, the track and the metal shell of all electrical equipment shall have a reliable grounding device, and the grounding resistance shall not exceed four Ω, and lightning avoidance devices shall be set up.
L68B3 Mast Section L68B3 mast section good at in this field
