Do not move the lifting ring, otherwise the door leaf cannot be lifted.
The closed wing ring shall be made of steel plate with thickness greater than 3mm, and its wing height should be 50mm.
There are 2 small doors and 3 large doors, which are about 50mm higher than the structural plane of the bottom plate and serve as the support apex for fixing the support when installing the door frame.
If our supporting reinforcement does hinder the sealing of the formwork, it shall be adjusted by our installation personnel in time.
3.
Fixed support: it is set to ensure that the door frame of civil air defense door is fixed firmly.
Do not deal with it without authorization.
3、 Civil air defense wall, top plate and bottom plate shall be set with a spacing of no more than 500 × 500 Φ Tie bars above 6.
6、 The ceiling of civil air defense basement shall not be plastered.
Therefore, when binding the reinforcement of the door opening, except that the bottom of the lane gate, movable threshold and the hole blocked in the face of war should be level with the building elevation of this position, other civil air defense doors should leave 150mm above the building elevation for single doors and 180mm high threshold for double doors, so that the door leaf can be opened freely.
In addition to the requirements of drawings, current acceptance specifications and atlas, relevant coordination measures and precautions shall be considered for the construction of civil air defense works! 1、 Protect all civil air defense embedded parts 1.
4.
The filler shall be tamped tightly and evenly, and then a protective resistance plate shall be installed at the end facing the nuclear explosion shock wave.
The walls, top surfaces and floors of closed passages, anti poison passages, decontamination rooms, poison filtering rooms, diffusion rooms, passages and rooms prone to poison in wartime shall be flat, smooth and easy to clean.
2.
The joint of the closed wing ring and the closed through wall pipe shall be fully welded on both sides to ensure tightness and no air leakage.
Protect the bottom plate during concrete pouring.
All pipes entering the civil air defense basement must be provided with explosion-proof wave gate valves on the inner side of the protective closed wall or top plate, When crossing the partition wall between protective units, explosion-proof wave gate valves must be installed on both sides, and the resistance shall not be less than 1.0MPa.
If it hinders the binding of reinforcement, inform our installation personnel for treatment.
When sealing the formwork, Do not pry the support reinforcement (or steel pipe), and the supporting steel pipe shall not be cut off due to the inconvenience of sealing the plate, so as to ensure the verticality of the civil air defense door, otherwise the sealing requirements cannot be met when installing the door leaf in the future and cannot be remedied.
The valve shall be set at the place convenient for operation, close to the wall or roof as far as possible, and there shall be obvious opening and closing signs…
Support apex: embedded in the bottom plate on the inner and outer sides of each door opening.
7、 When all pipelines pass through the protective sealing wall, rigid waterproof sealing casing with sealing wing ring and protective resistance sheet must be embedded.
Lifting ring: a lifting ring shall be embedded on the upper top plate at the door leaf side of each civil air defense door for lifting the door leaf.
The length of diagonal reinforcing bar shall not be less than 1000mm.
When water supply pipes such as fire hydrant pipes and automatic sprinkler pipes need to enter, the diameter of pipes passing through the top plate shall not be greater than 75mm, and the diameter of pipes passing through the side wall shall not be greater than 150mm.
A notch with the same width as the outer diameter of the cable must be opened on the resistance plate, and the notches of the two resistance plates must be inserted opposite.
Anchor hook: in order to ensure sufficient connection between the door frame and the door frame wall The steel door frame is welded with anchor hooks.
2、 Water stop screw shall be used for the mold installation of protective closed partition wall and closed partition wall in civil air defense basement, and PVC casing is not allowed.
Reserved dimension of door opening reinforcement: door width + 100mm, door height + 100mm.
8、 When the cable passes through the wall, one cable must pass through a sleeve, and the two ends of the pipe orifice shall be filled with sealing materials.
The closed casing shall be made of rolled steel plate or shaped steel pipe with wall thickness greater than 3mm.
5、 Because the door leaf of civil air defense door is 100-200mm larger than the door opening.
9、 All drainage pipes irrelevant to wartime use shall not enter the civil air defense basement from the top plate.
4、 The four corners of the civil air defense door opening and the inner and outer sides around the wall bushing shall be equipped with 2 Ф 16.
