Technical disclosure is one of the necessary and important steps in the technical preparation for the wiring construction of weak current projects. Before construction, we must make technical disclosures. What are the contents of technical disclosure? How to deal with it?
The technical disclosure means that the technical personnel responsible for the construction of the construction party and the construction party will carry out construction work on the basic conditions, design concepts, construction drawings, construction and acceptance specifications, construction plans, construction organization design, construction safety requirements and measures of the project construction. A comprehensive introduction will enable the personnel involved in the construction of the project to have a good understanding of the engineering design, architectural structure characteristics, technical requirements and construction techniques.
The classification of the bottom
The technical disclosure of the construction of the weak power engineering wiring must be comprehensive and meticulous, and the actual situation of the project must be very clear. The actual problems that need attention in all parts should be clarified, divided into professional, sub-projects, and sub-parts. Generally, it is divided into design, construction organization and design. There are five types of construction projects, including sub-project construction, design change, and safety construction.
1.1 design to the bottom
The design referral refers to the general person in charge of the construction unit's construction to the construction personnel to introduce the overall overview of the project, the main idea of ​​the project design, the design specifications used, the project construction drawings, the construction methods of the main parts of the project, and the technologies and processes used in the construction. Requirements for materials and equipment and matters to be noted in construction shall ensure that construction personnel understand the construction technology and safety requirements of the main part of the wiring project, realize the smooth construction of the wiring project, and ensure the quality of the wiring project.
1.2 Construction Organization Design
The construction organization design refers to the construction management personnel of the person in charge of the organization and wiring. According to the wiring construction scheme and construction drawings for the weak current project, relevant disclosures are made according to the characteristics of the project itself and the specific conditions of the construction site before the construction. The main contents are: Construction methods used in construction, construction machinery tools, attention requirements for implementation programs, and safety, quality, progress, and civilized construction objectives to be achieved; b. How the various construction team groups cooperate and support, the management methods of construction personnel And measures; c. Requirements for the performance of construction machine tools, time of entry, use, requirements for quantity, quality, and entry time of construction materials; d. Skills and entry time requirements for major labor and skilled workers e. Construction process requirements and process standards.
1.3 Sub-project engineering technology
The division project refers to a project that consists of each part of a unit project, such as the laying of cables, laying of cables, laying of ground wires, etc., in the wiring project of weak current projects. Sub-projects refer to various projects in a sub-division project, such as sub-projects for pipe threading, outdoor cable erection and optical fiber fusion in the cable laying branch project. Sub-component engineering technology refers to the construction unit's explanation of the relevant construction requirements for each sub-project in the wiring of weak current projects. The main contents are: construction process, construction and acceptance specifications, construction operations, etc., and the use of wiring construction materials. Requirements, quality standards and technical safety measures for wiring construction, and operational requirements for special processes and key locations.
1.4 Design Change
The design change refers to the design changes that occurred during the construction of the project. After receiving the design change notice, the construction unit personnel responsible for the design of the construction unit to the construction personnel, the main contents are: the main reason for the design change, The purpose of the change, the main content of the change, the number of the changed construction drawing, the location of the change, the specific change procedures, and the increase or decrease in the cost caused by the change.
1.5 the safety of construction
The safety of construction refers to the disclosure of the construction unit's technical responsible personnel to the construction personnel in relation to construction safety related operational procedures, potential insecurity factors, and safety technical measures adopted. The construction personnel must comply with the implementation during construction to ensure the intention of the safety planning during the design. The main contents include: overview of the project and sub-projects, hazardous locations of the project and sub-projects, and specific preventive measures. Pay attention to the safety matters, the safety operation regulations and procedures that the construction personnel should follow, the measures that the construction personnel should take to identify hidden accidents, and the avoidance and first aid measures that should be taken immediately after the accident.
The main content of the bottom
The main contents of weak construction engineering cabling construction technology can generally be divided into engineering overview, project construction conditions, installation of system equipment, laying of cables and optical cables in buildings and floors, installation of cable terminals and system testing. .
2.1 Project Overview
The technical briefs of the weak current engineering construction show the general description of the project including: a. Description of the project overview, various technical and economic indicators and requirements; b. The construction organization design, network planning, progress requirements, construction and deployment, construction machinery, and labor Arrangements and organizations to explain; c. Description of the construction techniques, processes, materials and acceptance specifications, implementation plans and related precautions to be adopted; d. Description of construction safety, specific measures and related precautions.
2.2 Construction Conditions
The construction of weak wiring construction technology related to the construction of the relevant conditions of the project mainly involves the inspection of the construction environment, construction equipment, construction safety and fire protection, whether the construction design requirements. In the aspect of construction environment, check whether the ground, wall, door, power socket and grounding device meet the construction requirements in civil construction; check the area of ​​machine room in the civil engineering process and whether the reserved holes meet the design requirements; check whether the construction power supply is safe and reliable and meet the construction requirements. Requirements; Check whether the laying of indoor moving floor meets the requirements of construction design. In terms of construction equipment, check whether the appearance, specifications, types, and quantities meet the requirements of the construction design; whether the electrical performance of the construction cable is tested by sampling to meet the requirements of the construction design; and whether the characteristics of the construction optical fiber meet the construction design requirements. In terms of construction safety and fire prevention, it is required to learn to master the construction safety knowledge, regulations and emergency situation disposal, as well as the use of fire-fighting equipment; requirements for stacking instructions for dangerous materials; require fire prevention measures such as reserved holes.
2.3 System Equipment Installation
The installation of system equipment mainly includes the installation of equipment racks and the installation of information outlets. Weak electrical engineering wiring construction technology related to the bottom of the equipment rack installation includes: description of the equipment rack specifications, program, appearance requirements; description of equipment rack installation sags, level requirements; after equipment rack installation Description of surface paint and related mark requirements; description of tightening requirements for various screws of equipment racks; description of requirements for shockproof reinforcement of equipment racks; description of grounding requirements for equipment racks, etc. The contents of the information socket installation include: specification of the information socket used in the construction, description of the location, and quality requirements; instructions for tightening the various screws after installation of the information socket; relevant information on the information socket after installation Instructions for completeness; instructions for installation requirements for information outlets; and instructions for reliable connection requirements for shields.
2.4 Distribution of cables and optical cables in the building
The laying of cables and optical cables in a building mainly includes the installation of cable trays and channels and the laying of cables. Weak electrical engineering wiring construction technology related to the contents of the cable bridge and channel installation include: based on the construction drawings, on-site description of the cable bridge and slot installation position; description of the cable bridge and slot installation process requirements; description of the cable bridge and channel Grounding requirements. The layout of the cable includes: according to the design requirements, the specification, route and location of the cable to be laid out, and the description of the technical requirements for laying the cable.
The laying of cables and optical cables on the 2.5th floor
The deployment of cables and fiber optic cables between buildings mainly includes the laying of overhead cables, pipeline cables, buried cables, and tunnel cables. Weak electrical engineering wiring construction technology to the bottom of the overhead cable layout including: specifications of the hanging wire specifications, erection position, installation specification requirements; description of the hanging wire sag requirements; specifications of the cable specifications; on the card, hanging Description of spacing requirements; Description of the process requirements for the introduction of cables. The layout of pipeline cables includes instructions for the use of holes for pipe holes, and specifications for the specifications and orientation of cables, and the quality requirements for the installation of protective equipment. The contents of the buried cable layout include the description of the cable specification and the installation quality requirements of the protection facilities; the description of the laying position and depth requirements of the cable; and the description of the quality requirements for the compaction of the soil. The contents of the tunnel cable layout include: specifications of the cable specifications, installation location, and routing requirements; instructions for the civil engineering process requirements. In addition, some of the content is the description of the spacing requirements for communication lines and other facilities and the description of the requirements for installation and construction quality of the entrance room.
2.6 cable termination
The construction of the weak wiring construction technology related to the cable terminal includes: description of the technical requirements of the information socket; description of the technical requirements for the wiring module; description of the technical requirements for the optical socket; description of the requirements for the various types of jumpers.
2.7 System Test
The construction of the weak wiring construction technology related to system testing includes: based on the construction acceptance standard, the performance test requirements for the cables and optical fibers and the test requirements for the system grounding are explained.
The method of implementation
The method of implementing the construction technique of the wiring of the weak current project usually consists of four types of meeting: bottom of the meeting, written submission, bottom of the construction model, and technical submission of the post.
3.1 The meeting meets
At the end of the meeting, the person in charge of the construction unit made a technical disclosure (such as the construction organization design and the introduction of the construction plan) for the construction of the wiring project for the weak power project at the meeting, and put forward the specific construction schedule, implementation methods and requirements, and at the same time, the technical responsible personnel. The details of the key details will be explained in detail. The quality and safety personnel will give detailed explanations of construction quality and technical safety measures. Each construction team may question the issues that are not clear in the technical disclosure or have major difficulties in the implementation process. Relevant questions are answered one by one to ensure that the answers are clear.
3.2 written submission
The written submission means that the technical personnel of the construction unit writes the written technical disclosure data in several copies according to the engineering construction organization design or construction plan, according to the relevant technical regulations, quality standards and safety requirements in the construction and acceptance specifications, combined with the actual conditions of the project. Technical disclosure to construction personnel. After accepting technical submissions, the team leader and technical staff of the construction team are required to sign the submission records, of which one is carried out by the construction team, one is deposited into the construction technical file, and one is reserved by the technical team.
3.3 Construction model submission
According to the technical requirements and construction plans of the design drawings and the construction and acceptance criteria, the construction sampler's bottom refers to the construction personnel who have a high level of technical skills in the construction unit to make a model that meets the standards for excellent products, as a reference for other construction personnel. The physical model allows the construction personnel to understand the characteristics of the main technologies, processes, materials, and tools used in the construction, grasp the construction procedures and essentials, and be familiar with the construction process requirements and quality standards.
3.4 post technical disclosure
The post technical know-how refers to the requirement of different processes and positions for reasonable cooperation during the construction of weak wiring for the operation of different processes and positions. The construction unit shall formulate the operating process requirements according to the construction organization design and construction scheme to the construction site. The actual situation, through the written form or oral form to the construction staff to post the job, to specify the operational requirements and safety requirements, etc. to make a statement.
Problems to pay attention to
The construction and installation of weak current project wiring is a strictly standardized process, and it is an important factor that determines the application quality of the network. Completing the work of wiring construction technology for weak current projects is the prerequisite for ensuring construction quality. There are many contents and a wide range of issues. There are many issues to be noted. The main issues are summarized as follows:
(1) The construction technology of weak current construction wiring shall strictly follow the rules for construction and acceptance, and the requirements and quality standards in the code of construction and acceptance shall not be arbitrarily modified or deleted.
(2) The technical disclosure of the weak current construction wiring shall comply with the technical requirements in the design drawings, and shall meet the requirements of the construction organization design or construction plan, including technical measures and construction schedule requirements.
(3) For different levels of construction personnel, according to the depth and level of detail of the technical disclosure, appropriate and in-depth content and explanation methods should be adopted to provide targeted and effective answers to different personnel and to ensure a thorough understanding of the construction personnel.
(4) Weakening of the wiring construction technology for weak current projects shall be fully specified, and the key points shall be highlighted. Operation procedures, implementation standards, techniques used, construction techniques, quality standards, and safety precautions shall be specified in detail separately, and shall not be vague.
(5) Detailed disclosure of the technologies, processes, and materials used in the construction of weak electrical engineering wiring, and detailed technical disclosure of the easily identifiable sub-projects, special parts, and concealed works.
(6) Written technical disclosure in the construction of weak wiring construction technology should be carefully reviewed, leaving the original draft, the writing should be clear and neat, the data cited should be correct, the written issuer, the reviewer and the recipient must sign and seal .
to sum up
The technical disclosure is a very important technical management work for the construction unit. This article has contacted the actual conditions of the wiring construction of the weak current project, and elaborated on the definition, classification, content, requirements, implementation methods and problems of the wiring construction technology of the weak current project. The purpose is to get a preliminary understanding of the construction work of the weak electrical engineering wiring construction related personnel in the weak current construction wiring construction, so as to help the orderly construction, reduce various construction operation mistakes and improve the construction quality.
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