Determine the accurate position of the horizontal and vertical direction of the door frame according to the door opening size on the architectural construction drawing, so that the outer surface of the door frame is on the same plane as the outer surface of the door frame wall formwork, That is to reserve 20mm plastering layer.
After the door leaf is hoisted in place, leave a gap for the sealant strip, then weld the hinge lug on the embedded plate of the hinge lug of the door frame, and then debug, install the locking and sealant strip.
V.
3.
Other relevant specifications and procedures.
According to the actual situation, formulate corresponding and feasible production and installation schemes.
The door leaf shall be opened and closed flexibly.
Then find and verify the axis, formwork line and elevation datum points placed by the civil construction unit near the door opening, and lead them to the door opening reinforcement with tape and horizontal pipe.
construction process and technical measures # 1.
After the surface is smooth and smooth, apply two coats of antirust primer and two coats of gray finish paint.
Wartime design drawings of the exhibition center project and civil air defense engineering.
Carefully fill in the qualification and construction organization design application form and material mobilization and use application form of our company according to the requirements of the supervisor, and submit them to the supervisor for review.
preparation description and basis in order to successfully complete the production and installation of civil air defense engineering protective equipment in the basement of civil air defense engineering of the exhibition center project, we organize technicians to carefully read the civil air defense construction drawing of the project.
Atlas of selection of protective equipment for civil air defense engineering rfj01-2008; 4.
If the reinforcement of the door frame is not firm, it shall be strengthened by electric welding.
Apply to the civil construction unit for construction water and electricity, the use of roads on the construction site, and clarify the installation procedures and the operation sequence of relevant processes.
At the same time, optimize the design drawings to save investment for the construction unit.
Advertising space: I.
Prepare the products, installation tools and equipment to be embedded and installed according to the drawing requirements, and determine the construction team of the project.
The door frame that needs to be assembled on site shall be assembled in strict accordance with the technical requirements of the national standard atlas.
2.
Finally, spray words to mark the opening and closing direction of handwheel or locking handle and the model of civil air defense door.
Construction Schedule 1.
Putty and polish the door leaf surface, and then brush two to three times of exterior wall emulsion paint.
5.
The flatness deviation of the supporting surface of the steel door frame shall not exceed 2mm.
The civil construction unit shall pay attention to protect the fixed support of the door frame in the process of correcting the reinforcement and supporting the formwork.
The hinge and locking installation position shall be accurate, and the coaxiality deviation of the upper and lower hinge shall not exceed the allowable deviation value of the specification.
Then, based on the position of the bottom of the door frame, determine the position of the top of the door frame with a hanging hammer and a level ruler, and then support it firmly with steel pipe or reinforcement in an oblique direction.
Construction drawing of convention and Exhibition Center; 2.
The positional relationship between the angle steel of the door frame, the reinforcement and the formwork is shown in the figure below: then weld and position the bottom of the door frame with the threshold reinforcement.
All civil air defense engineering protective equipment must be manufactured and installed in strict accordance with the national standard atlas.
This project is the civil air defense project of the Convention and Exhibition Center, which is a class a civil air defense project.
5.
In order to ensure the installation quality of door frame and avoid deformation.
Weld the plugging plate when facing the war.
Installation of wartime plugging embedded parts.
The project manager or the person in charge of the site shall attend the regular meeting of the project on time.
We embed between binding reinforcement and sealing formwork..
construction preparation 1.
The construction organization design shall be further modified and improved according to the approval opinions of the supervisor.
2.
6.
Organize the construction team to carry out technical disclosure and safety disclosure, so that the construction team can clarify the construction requirements, technical measures, construction difficulties and precautions of each part.
If there are non-standard models, we will remind Party A, the supervisor and the design institute that they must be changed into standard finalized equipment.
The construction scheme design of the project is mainly based on the following specifications and national standard atlas: 1.
Ensure that the tolerance of each dimension is within 2mm.
The door leaf and the door frame shall fit closely and evenly.
If any place affecting the supporting the formwork is found, please inform us in time and let us deal with it.
2.
The verticality deviation of door frame shall not exceed 2 ‰ of the long side.
4.
The installation of civil air defense door frame and embedded parts will not be arranged separately.
The civil air defense door leaf can be installed when the civil air defense basement is open to traffic and powered on, and there is no ponding or garbage.
The schematic diagram is as follows: 3.
Project overview 1.
Steel plates or angle steel frames shall be embedded around wartime plugging, the bottom shall be level with the building elevation, and the embedded steel plates on both sides and top shall be installed inside the formwork.
The orifice protection equipment required to be installed in each discipline of the project is as follows: (the equipment list is attached later) architecture discipline: civil air defense door [29], in which single leaf fixed threshold steel protective closed door [8]; Single leaf movable threshold steel protective closed door [2]; Single leaf valve sill Steel closed door [2]; Double leaf movable threshold steel protective closed door [4]; Single leaf fixed threshold Steel closed door [6]; Two way stressed double leaf protective closed door [3] at the connecting port; Explosion proof wave valve 【 4 】.
Standard for product quality inspection and construction acceptance of protective equipment for civil air defense engineering rfj01-2002; 3.
After installation, the exposed metal surface shall be cleaned, polished and derusted.
Go deep into the site for field investigation, fully understand the project progress, closely track the project progress, negotiate with the civil construction unit on relevant matters that need to be coordinated, and put forward matters needing attention in the construction of various disciplines of civil air defense engineering in writing.
II.
It is mainly to cooperate with the main construction and be carried out simultaneously with the civil construction.
For the embedded installation of civil air defense door frame, the corresponding model of civil air defense door frame shall be transported in place according to the drawing requirements.
III.
First, organize relevant personnel to get familiar with the drawings and understand the design intention, organize an internal joint review before the formal joint review, carefully check whether the model, specification, size and position of protective equipment on the construction drawings meet the requirements of relevant specifications, and timely put forward any nonconformities to Party A, the supervisor and the construction unit for negotiation and settlement with the design institute.
IV.
