Hello everyone, I'm Brother Xue. Is the triple play system a weak current system? This is not defined, we weak current integrators often do, some weak current companies still specialize in this system? Today share a construction organization design plan like this, which can be used in future bidding.
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First, the construction organization design
1.1 Project Overview
This project is the first and second phase of the three-network installation project of the community, with a construction area of about 470,000 square meters. The first phase is 170,000 square meters, the second phase is 300,000 square meters, with a total of 476 households in the first phase and 1,704 households in the second phase.
This project is the first and second phase of the community three-network installation project.
1.1.1 Scope of system bidding
Public operator network - weak current wells within the red line of the community - communication room (including equipment room equipment) - communication cabinets (including equipment) of each unit of each building - weak current well equipment (including equipment) on floors - indoor weak current boxes (excluding boxes), including optical cable weak current wells, optical cable protection pipes, equipment, bridges, optical cables and related hole plugging, civil engineering related equipment foundations, grounding, outdoor pipe trenches, etc. (If the weak current well, bridge and embedded pipe are shared with other weak current projects, the weak current unit will construct it).
1.1.2 Design basis
1. GB 50846-2012 Code for Engineering Design of Fiber-to-the-Home Communication Facilities in Residential Areas and Residential Buildings.
2. DBJ 43/003-2012 "Standard for the Construction of Communication Facilities in Residential Quarters and Commercial and Residential Buildings"
3. GBJ232 Code for Construction and Acceptance of Electrical Installation Engineering
4. GY/T 106-1999 "Technical Specification for Cable Television Broadcasting System"
1.2 Main engineering quantity
The main engineering quantities of this project are shown in the following table:
| serial number | The name of the project |
| 1 | Construction survey of pipeline optical cable engineering |
| 2 | Optical cable in the pipe and dark groove (horizontal entrance part of coaxial cable and leather optical cable) |
| 3 | Exposed optical cable in tray and trunking (vertical convergence of coaxial cable and leather optical cable) |
| 4 | Laying pipeline fiber optic cables (trunk entry cables) |
| 5 | Routing channel optical cable (horizontal optical cable, vertical optical cable) |
| 6 | Fiber optic cable end joints |
| 7 | User Fiber Optic Cable Testing |
| 8 | The three-network line is blocked in the pipeline through the outer wall of the basement |
| 9 | Laying rigid PVC pipes |
| 10 | Fiber Optic Connection (Mechanical Method) (Singlemode) |
| 11 | Fiber Connection (Fusion Splicing Method) (Single Mode) |
| 12 | Fiber Link Testing (Dual Fiber) |
| 13 | Put and tie flexible optical fiber (put and tie more than 15m between equipment racks) |
| 14 | Fiber jumper in the optical fiber distribution frame |
| 15 | Install optical receivers, cabinets, racks |
1.3 Design Description
1. The distribution area of the home information box and the computer room on the user side adopts the point-to-point direct fusion transmission mode of 2-core optical fiber. Meet the minimum 2-core home entry requirements of the national standard for fiber to the home.
2. Adopt first-level light splitting, the light splitting point is located in the community computer room, and the optical splitter is located in the optical distribution line area in the three-network cabinet. It meets the requirements of the construction of first-level splitting and splitting points in the residential computer room, and can meet the requirements of access of different operators and the user's free choice of operators. Equal access of different operators required by users can complete service provisioning as long as the fiber is jumped in the data center.
3. The design meets the requirements of triple play construction and fiber to the home. The optical cable transmission link between the home information box and the ODF between the equipment in the community is a point-to-point construction requirement; the optical splitting point is set in the community computer room, which is located between the ODF invested by the operator and the ODF of the self-built optical cable in the community; the user can freely choose the operator, and the operator completes the fiber jumper work in the community computer room to meet the access requirements of different operators of the user.
1.4 Engineering construction plan
1.4.1 Schematic diagram of networking
The project networking diagram is as follows:
In order to ensure that the construction of the basic network access network in the area can meet the growing demand for access bandwidth in one step, the "fiber-to-the-home" (FTTH) technology is used for home users in this scheme. In the planning area, FTTH is built to support 100M bandwidth access capacity for each user, and realize high-speed transportation of users' voice, data, IPTV and other services.
In this solution, the ODN networking splitting mode mainly adopts the first-level centralized splitting mode, which is more conducive to resource conservation and more in line with the concept of "one network for the whole region": the optical splitter is centrally set, the optical splitter port utilization rate is high, the uplink PON port demand is low, the optical splitter is convenient for centralized maintenance, and the structure is simplified to facilitate fault location. The optical splitter belongs to the access wiring layer facility, and the division of labor with the user introduction interface is clear.
1.4.2 Project Interface
Project Interface Scope:
1. Construction of user-side distribution frame in the three-network computer room of the community
2. The backbone distribution optical cable is laid, welded and terminated
3. Fusion of trunk distribution cable and vertical fiber optic cable, installation of fiber optic cable splice closure
4. Vertical optical cable deployment in the building
5. Installation of optical fiber splitter box in the building
6. Concealed pipe deployment of leather fiber optic cable
7. Welding of leather cable and vertical cable
1.4.3 Optical cable configuration
The public facilities in the communication and cable TV supporting infrastructure of residential quarters and commercial and residential buildings belong to the owners, and the public facilities mainly include public handover rooms, community communication pipelines, community handover equipment, indoor wiring pipe networks, outdoor wiring systems, and wireless communication facilities.
The setting of communication service access points in residential quarters and commercial and residential buildings is related to the division of the engineering interface, and the access points should be set up in the equipment room of the community. At the access point, the developer should provide the main distribution frame of the optical cable in the community, and communicate with the optical cable splitter box and family information box in the residential area.
1) Building fiber distribution box and distribution frame are set up
According to the actual situation of the site, the fiber optic cable splitter box is generally installed in the public part of the building by wall hanging. In this design, considering different building structures and the number of users, the optical cable splitter box is designed and set up, and each optical cable splitter box introduces at least 2N core vertical optical cable (N indicates the number of households contained in the optical cable splitter box), and the convergence and fusion nodes of different specifications such as 24-48 core vertical optical cable connection optical cable splitter box and building distribution frame are used in this design according to different building structures.
2) The main wiring optical cable and the vertical optical cable of the building are set in the public junction room
The design considers that the public junction room between the trunk wiring optical cable and the vertical optical cable of the building is set up in the weak current room on the first floor of the building. The connection between the backbone distribution cable and the vertical fiber optic cable of the building adopts a 144-core optical cable splice closure box, which is connected to the floor optical fiber splitter box from the optical fiber splice closure respectively.
3) Residential computer room setting
In order to ensure the link quality and standardize the construction and maintenance interface of the optical network within the red line, the location of the splitting point is uniformly located in the community computer room. Wiring equipment is installed in the community computer room, and public wiring, jumpers and maintenance nodes are provided for each operator to meet the access requirements of different operators.
1.5 Technical requirements for optical cable construction
1.5.1 Optical cable laying, installation and construction requirements
(1) General requirements
Construction method: The optical cable designed by this project is laid manually. The overhead optical cable should not be dragged and dropped in the hook, and the pole should be hung on the wire and dragged and dropped by the pulley during the construction to reduce the stress and damage to the optical cable sheath of the optical cable.
Optical cable splicing: special splice closure is used, and when the pipe optical cable is connected to the overhead optical cable, the splice closure should be installed in the manhole. Fiber optic cables are connected to electrical connections.
Fiber splicing: Splicing with the same serial number.
Fiber connector attenuation: The average value in a relay segment is not more than 0.08dB/piece.
The laying and installation of optical cables shall comply with the "Interim Technical Regulations on the Construction and Acceptance of Optical Fiber Digital Element Transmission System Engineering of Telecommunication Networks".
(2) Overhead optical cables
The design of this project adopts hook hanging, and the hook program adopts 25mm hook.
The optical cable is reserved to be hung on both sides of the splice box, with four wires and hanging on the line.
(3) Pipeline optical cable
The pipeline fiber optic cable splice closure should be installed in the hand hole above the perennial water level.
(4) Lead the optical cable
The optical cable is protected by a 3.5m long φ50mm galvanized steel pipe, and a plastic sub-pipe is inserted into the pipe, and the plastic sub-pipe reaches the binding place between the optical cable and the hanging wire.
(5) Intra-local optical cable
The internal optical cable is installed according to the existing iron frame and cable rack mode.
The incoming optical cable should be fireproof at the hole.
The internal optical cable does not change the specifications, and is wrapped with PVC plastic logo tape. Intra-office optical cables should have identification marks to distinguish them from other optical cables.
The optical cable should be tied in sections (section length not more than 1 meter) in the vertical rising section.
局内光缆成端在ODF(ODU)上。
(6) Leather cable and optical cable
The specifications and programs of the leather cable should meet the design regulations, and the technical indicators of the optical fiber should meet the requirements of the design documents and technical specifications.
The routing direction of the leather cable should be in line with the provisions of the design documents, and when laying in the basement, weak current channel well, and corridor roof, ø10 PVC pipe or ø10 corrugated pipe should be used as a protective pipe, and the binding should be firm, the tightness is moderate, the binding spacing should not be greater than 1.5 meters, and the binding spacing should be uniform, so that it is horizontal and vertical, without twisting, and there shall be no grinding phenomenon when crossing obstacles.
The remaining length of both ends of the leather cable should be uniform and meet the process requirements, and the radius of curvature at the bend of the leather cable should not be less than 40mm.
After the leather cable is terminated by the client, the cold connector should be fixed in the corresponding rack or terminal box, and the terminal box should be fixed firmly and beautifully, so as to facilitate the connection of pigtails.
The leather cable should be uniformly and clearly marked on the side of the optical fiber distribution box. The content and production of the logo shall meet the requirements of the engineering design or construction unit.
(7) Optical cable reservation
8 meters are reserved on each side of the fiber optic cable splice closure and 16 meters are reserved for 800-1000 meters of overhead optical cables.
Turning poles, poles, poles with slope changes greater than 2.5%, more than 8 poles, spanning poles, and straight poles, every 5 pole optical cables shall be reserved for 25cm drooping on the poles, and the longitudinal section PVC soft plastic pipe with a length of not less than 90cm shall be packaged.
Intra-office optical cables are not considered reserved.
The laid optical cable should be hung with detailed signs, and the optical cable signs should have the optical cable program, number, direction, fiber core number, etc.
1.5.2 Technical parameters of optical cable
(1) Main technical parameters
衰减≤0.36dB/km(1310nm)；
衰减≤0.22dB/km(1550nm)；
模场直径：9.0nm±0.5nm；
Cut-off wavelength<1270nm;< span="">
最大色散≤3.5ps/km.nm(1285-1330nm)；
最大色散≤18ps/km.nm(1550nm)；
(2) Mechanical characteristics
| Tensile Strength (N) | compressive strength (N/10cm) | Minimum curvature radius | Maximum pulling force | |||
| At work | When laying | At work | When laying | At work | When laying | |
| 600 | 1500 | 300 | 1000 | 10 times the outer diameter of the optical cable | 20 times the outer diameter of the optical cable | 10KN |
(3) Technical requirements for leather fiber optic cables
| project | Calculate the conditions | numeric value |
| attenuation | λ=1310nm | ≤0.40dB/km |
| λ=1550nm | ≤0,25dB/km | |
| dispersion | λ=1550nm | ≤+18ps/km/ nm |
| Zero dispersive wavelength | 1300-1324 nm | |
| Zero dispersion slope | ≤0.092ps/（nm2·km） | |
| Microbending losses | ø30mm*10圈，λ＝1550nm | ≤0.05dB（附加损耗） |
| Ø20mm*1圈，λ＝1550nm | ≤0.15dB（附加损耗） | |
| Ø15mm*1圈，λ＝1550nm | ≤0. 5dB（附加损耗） |
| Reinforcement type | Optical cable size (mm) | Fiber Optic Cable Weight (kg/km) | Long-term stretching (N) | Short-term stretching (N) | 长期压扁（N/100mm） | 短期压扁（N/100mm） | Operating temperature |
| KRP | 2.0×3.0 | 7 | 30 | 60 | 1000 | 3000 | -30℃～+70℃ |
| Phosphated steel wire | 2.0×3.0 | 11 | 100 | 200 | 1000 | 3000 | -30℃～+70℃ |
(4) The optical cable of this project has not been specifically selected, and the more detailed technical parameters are subject to the optical cable order contract.
1.5.3 The main technical parameters of optical cable accessories
(1)光纤配线架(ODF)及光纤熔接终端框(ODU)的主要技术参数
The optical fiber distribution frame should be able to operate from the front of the whole front, with large capacity, small dimensions, and flexible and convenient fiber jumping.
Optical fiber splicing/termination frame should be able to operate from the front side, with large capacity, small dimensions, and flexible and convenient fiber jumping. Available in standard 19" installation.
Connector loss (including insertion, interchange, and repeat) ≤ 0.5dB;
互换性附加损耗≤ 0.2dB；
重复性附加损耗≤ 0.1dB；
回波损耗：FC/PC≥ 40dB,FC/SPC≥ 45dB, FC/UPC≥ 50dB, FC/APC≥ 60dB；
Plugging and unplugging durability life> 1000 times;
The cabinet is insulated from the cabinet with high voltage protection, and the insulation resistance > 1000MΩ/500V (DC);
The withstand voltage between the high-voltage protective ground of the cabinet and the cabinet >3000V(DC)/min, no breakdown, no arcing;
Ambient temperature: -5°C~+40°C, storage temperature: -25°C~+55°C;
相对湿度：≤ 85%（+30℃），大气压力：70KPa～106KPa。
(2) The main technical parameters of the optical cable splice closure
The shape of the splice box should be as small as possible, and the splice box used for sealing and wiring should have divergent inlet and outlet holes, preferably two in and five out.
Good seismic resistance, compressive resistance, tensile resistance, flame retardant, strong and durable.
Operating environment: temperature -40°C~+55°C, atmospheric pressure 70-106Kpa.
Insulation resistance: After the optical cable splice closure is encapsulated according to the specified operating procedures, and immersed in water at a depth of 1.5m for 24 hours, the insulation resistance between the metal components and between the metal components and the ground in the optical cable splice closure ≥ 2×104 MΩ;
Withstand voltage strength: between the metal components in the optical cable splice closure and between the metal components and the ground under the action of 15KV DC voltage, there is no breakdown and arcing phenomenon for 1 minute.
It should be able to meet the requirements of installation and construction in the overhead and pipeline manholes of optical cables.
1.5.4 Optical cable line protection measures
(1) Lightning protection and strong electricity protection
Overhead fiber optic cables
The cable hanging wire is grounded every 500m or so, and the metal components on both sides of the optical cable joint are not electrically connected. When the hanging wire crosses the power line, the three-wire cross pipe is protected.
Internal fiber optic cable
The metal components in the optical cable are connected to the ground to protect the ground wire.
(2) Prevention of mechanical damage
The optical cable that is in contact with the tree or close to the pole may be worn, and the longitudinal PVC soft plastic with a package length of not less than 90cm should be protected, and the optical cable should be protected by asbestos tape when it crosses or is close to the building section that is prone to fire, and the outside of the asbestos belt is wrapped with PVC tape.
1.5.5 Technical specifications for optical cable construction
In accordance with the following relevant specifications:
(1) "Code for Acceptance of Optical Cable Communication Line Engineering";
(2) (YD5006-2003) "Code for Engineering Design of Local Telephone Network User Lines";
(3) DXJS1022-2007 China Telecom Fiber-to-the-Home (FTTH) Engineering Construction and Acceptance Specification;
(4) GBT50312-2000 Specification for Engineering Acceptance of Integrated Wiring System for Buildings and Building Complexes;
(5) YD 5103-2003-I communication pipeline and channel engineering construction and acceptance specification;
(6) YD2001-92 standard "Technical Specification for Construction and Acceptance of All-Plastic Cable Lines for Communication in the City".
and other applicable regulations in the communications industry.
1.6 Equipment layout and cable deployment
| project | request | |
| Power cords, signal cables | Routing shafts | AC and DC power lines and signal lines of communication buildings should be routed by different cable wells respectively, and if the original building cannot be separated from the cable shaft due to the constraints of the building structure, it can be routed in a cable well, but the physical location of AC, DC and signal cables should be clearly separated |
| Cable material | The equipment room is renovated or newly purchased in the future, and all the cables are required to be flame retardant wires | |
| Power cord routing | The DC power cord in the room shall be routed on the top of the rack; the AC power cord shall be routed on the top of the rack or along the wall or ceiling; the AC and DC power cords shall be required to be routed separately in principle, if the wires cannot be separated, the physical position wiring shall be clearly separated in the same rack; the overlapping wiring of DC power cords shall not exceed 3 layers | |
| AC power cord | A power control box should be installed when the AC power cord enters the computer room, and air switch protection measures should be adopted, and a closed junction box should be installed at the line connector in the computer room. It is forbidden to use temporary power cords to supply power to long-term working equipment, computer terminals, air conditioners, etc., and all kinds of AC power supply sockets should be fixed in appropriate positions in the computer room. | |
| Routing lashing | All power cords and signal cables in the room are required to be tied, and the optical pigtail must be fixed with soft velcro. | |
| Cable routing device | Raised floors | In the future, there will be no overhead floor in the new computer room, and if there is an existing overhead floor, it will be demolished as much as possible. If it cannot be dismantled due to special circumstances, flame retardant treatment shall be carried out regularly, and only signal lines shall be taken under the overhead floor, not power cords, and excess light, cables, optical terminal boxes and their sundries shall not be placed, and shall be kept clean and tidy. |
| Fiber optic cable terminations | All optical cables entering the equipment room must be terminated in the ODF rack, not in the equipment room Optical cable terminal boxes are allowed to be used. |
The principles of cable routing are:
1) The deployment distance should be as short and neat as possible.
2) Communication cables and power cables should be laid in different routes.
3) When the power cord is deployed in the wiring frame, it must be tied firmly and neatly, and the cable in the computer room should be arranged in a neat and orderly manner, and the process should be beautiful, so as not to hinder the installation of subsequent expansion equipment.
4) The various cables should be labeled according to the resource naming standards of the communication industry, so as to facilitate future maintenance and management.
5) All inlet and outlet cables or component holes in the computer room are required to be tightly sealed with arson plugging materials after the cable or component is installed.
1.7 Other design instructions
(1) The reserved length of the inner sheath cable of the optical fiber distribution box and the family information box shall not be less than 1M
(2) The single-ended pigtail configured at the end of all optical cables should not be too long, and the use of 1M pigtail is more space-saving.
(3) Each family information box is allocated 2 fibers, and 2 fibers should be formed at the end.
(4) In this phase of the project, the introduction of power supply in the home information box is directly drawn from the distribution box of each user.
1.8 Quality and safety assurance measures
1.8.1 Quality management system
According to the ISO9001 quality standards to establish and improve the quality assurance system, clear division of responsibilities, the project set up by the project manager is fully responsible for the quality assurance system, the project manager, the design manager to assist the project manager respectively on the construction site quality management and design technical service stage of the quality management is responsible, full-time quality inspectors on the site construction has the main responsibility for supervision, inspection, the construction team, the team leader is directly responsible for the construction quality, the construction personnel have the responsibility of self-inspection and mutual inspection of the work carried out. The quality system is applicable to the whole process of the implementation of the project to ensure that the construction quality of the project meets the design requirements and the requirements of various acceptance specifications;
Our quality policy is:
It is our eternal purpose for users and society to be satisfied and benefit from the company's character and products (engineering).
1.8.2 Methods of implementation and control of quality activities
(A) construction quality management responsibility system
1) Adhere to the principle of ensuring the quality of construction with technological progress, prepare targeted sub-project construction plans according to the characteristics of the project, prepare work instructions for special processes, and strictly implement the program approval procedures. Before starting large-scale construction, each sub-project or type of work should make a demonstration model, clarify the quality standards, and unify the operation requirements.
2) Strictly implement the technical disclosure system. Each type of work, each process before the construction by the technical supervisor to the construction supervisor or construction team leader to make a technical disclosure, and should have a written disclosure record, the construction supervisor or team leader to the specific construction personnel to make a technical disclosure and make a written record, so that each construction personnel can be clear about their own tasks and quality standards to be achieved, the person in charge of the construction team to the group to undertake the work of the overall responsibility. And the use of pre-class meetings, after-class meetings and other forms of regular education, summary, and constantly enhance the quality awareness of construction personnel, strengthen self-inspection, mutual inspection, timely special inspection, improve quality, and strive to pass the rate of 100%, sub-project excellent rate of 90%.
3) Adhere to the implementation of the quality veto system. During the construction process, the project manager, construction supervisor, quality inspector and the person in charge of the construction will inspect it from time to time every day, and solve the construction quality problems on the spot. The unqualified sub-projects and sub-projects must be reworked to meet the qualified standards. At the same time, the causes of non-conforming products are investigated and analyzed, and the results of the investigation are recorded, and measures to eliminate non-conforming products are formulated and put into practice; if the same problem is found again on the next day, rectification will be made within a time limit; if it cannot be solved, it will be ordered to stop work and be punished financially, and the amount of the fine shall be 10% of all losses.
4) Adhere to the quality documentation system. The construction supervisor and the quality inspector should make detailed records of the quality, and the quality records should be timely, complete and true, and properly kept and fed back to the project manager and relevant personnel to make corresponding decisions.
5) Strict implementation of real-time quality control. A special person should be responsible for each installation process, and strictly control the quality of various materials, equipment acceptance, and installation. Adopt the method of combining dynamic management and static management, control each process in real time, and eliminate all kinds of behaviors that may affect quality in time.
(2) Quality inspection and acceptance system
Each sub-project should be constructed in strict accordance with the drawings, operated according to the operating procedures, strictly abide by the requirements of the relevant national standards and construction acceptance specifications, and improve the requirements of process standards to ensure the quality of construction under the premise of ensuring the functional quality of the system. The on-site full-time quality management personnel track and inspect the construction quality of the entire project and run through the entire construction process.
1) Inspection system for materials and equipment
Before entering the site, the engineering materials/components/equipment to be entered shall be submitted to the engineering supervision agency in accordance with the requirements of the construction project supervision specifications, and the engineering materials/components/equipment application form and its quality certification materials shall be submitted to the engineering supervision agency, and shall be reviewed by the supervising engineer and the representative of the construction unit, and in accordance with the provisions of the contract or relevant engineering quality management documents, the model, quality and quantity of the physical objects entering the site shall be inspected in parallel or witnessed sampling by way of sampling. The products that have not been accepted by the supervision personnel and the representatives of the construction unit or do not meet the requirements of the contract must not enter the site, and the engineering materials/components/equipment that have been inspected and unqualified should be withdrawn from the site in a timely manner, and the "three nos" products should be resolutely put an end to the entry of "three no" products. In order to ensure the construction quality of this project. If the equipment is short of sources or time is tight or there is a better choice, the samples of alternative products and other supporting materials or technical suggestions shall be submitted to the supervisor and the owner, and the supervisor and the owner shall organize a special demonstration and sign in writing after approval.
2) The process of "three inspections" system. In accordance with the principle that the producer is responsible for quality, implement and adhere to the system of self-inspection, mutual inspection and special inspection. When the construction personnel complete or partially complete the construction task, they shall conduct self-inspection in a timely manner, and if they do not meet the requirements of the specified standards, they shall be reworked in a timely manner. After passing the inspection by the team leader or the construction personnel of the next process, the full-time quality inspector will confirm that the quality is qualified before the construction of the next process can be carried out.
3) Concealed engineering acceptance system. Before concealing the concealed project, fill in the "Application Form for Inspection of the Concealed Project" in a timely manner, and notify the owner and the supervision unit for acceptance to ensure the quality of the concealed project. After acceptance, fill in the "Concealed Project Acceptance Record" in time for archiving, and hand it over to the owner when it is completed.
4) Establish a quality information feedback system. The written documents of the project quality problems raised by the owner, the supervision company, the general contractor or other professional quality inspection departments shall be fed back immediately after verification and rectification.
1.8.3 Quality assurance measures
a) Quality Policy
Scientific design, careful construction, honest service, full participation, continuous improvement. Use the quality of the work of all our engineering and technical personnel to ensure the quality of the project.
b) Quality objectives
The contract performance rate of all intelligent system projects is 100%, the pass rate of the project is 100%, and the customer satisfaction rate is 98%.
c) Quality assurance system
Our company has a perfect quality assurance system, has the ability to effectively control the quality of the project, and is responsible for the overall coordination of the project progress, construction safety, technical training, project acceptance and handover.
d) Engineering quality control process (as shown below)
e) Quality control and management of construction materials and materials
The construction materials and materials in this project are managed by special material personnel, and the registration system is adopted to dynamically grasp the status of materials and materials on the construction site, so that we can predict when to purchase and what to buy, so as not to cause nest workers on the construction site.
1.8.4 Technical and organizational measures to ensure safe production
(1) Safety production objectives and organizational structure
In order to achieve our six safety goals of "no work-related fatal accidents, no serious injury accidents, no fire accidents, no major equipment accidents, no poisoning, no group beatings, thefts and other criminal incidents", the project department has set up a safety leading group headed by the project manager, and the team members are composed of engineering managers, design managers, construction supervisors, technical supervisors, safety officers and construction team leaders, etc., with a full-time safety officer. It is clear that the project manager is the first person responsible for safety production, the project manager is the main person responsible for safety production, the design manager is the person in charge of safety production technology, the full-time safety officer is responsible for the daily supervision and management of the safety production of the project, and the construction supervisor and team leader are directly responsible for on-site safety production.
(2) Responsibility system for production safety
1. Project manager safety production responsibility system
1) The project manager is responsible for the safety production of the project;
2) Conscientiously implement the guidelines, policies, regulations, decrees and rules of labor protection and safety production, establish and improve the responsibility system for various safety production posts, and inspect the implementation;
3) Adhere to the policy of "safety first, prevention first", put safety production in the first place in daily work, and study and solve problems in safety and production at any time;
4) Carry out safety and compliance education for construction personnel, and urge all responsible persons to do a good job of safety work within their own duties;
5) Preside over the investigation and analysis of major casualty accidents, put forward treatment opinions and improvement measures, and supervise the implementation.
2. Safety production responsibility system for project managers
1) Take full responsibility for the safety production of the construction project;
2) Conscientiously implement the guidelines, policies, regulations, decrees and rules of labor protection and safety production, assist the project manager to do a good job in safety production, and must manage safety while managing production;
3) Regularly convene safety production work meetings on the construction site, and when there is a contradiction between the progress of the project and safety, the safety must be obeyed;
Frequently organize various safety production education activities, support and cooperate with full-time safety officers to do a good job in safety work.
In the event of a serious casualty accident, it is necessary to protect the scene and report it immediately, and cooperate with the investigators in the investigation.
3. Design the safety production responsibility system of the manager
1) Conscientiously implement the relevant regulations and safety technical standards of the state and superiors, and take technical responsibility for all technical problems in the safety production of the project;
2) Organize safety technology research activities, and be responsible for the design of new products, the research of new technologies, new materials and new processes from the technical and safety production aspects;
3) Organize safety technology knowledge education for construction personnel and management personnel;
4) Organize and solve the safety technical problems existing in the construction in a timely manner, participate in the investigation and analysis of major casualty accidents, and put forward prevention and improvement measures from the technical perspective for the causes of accidents.
4. Safety production responsibility system for safety officers
Under the leadership of the project manager, responsible for the daily work of safety inspection, supervision and management of safety production;
2) often go deep into the construction site, inspect the operation site, and have the right to order the construction to be stopped first, order the relevant personnel to withdraw from the dangerous section, and quickly report to the leadership for proper handling;
3) Conscientiously implement the national safety production guidelines, policies, regulations and systems, grasp the safety production dynamics, and often report to the project manager;
4) Organize construction personnel to learn safety operation procedures and systems, and cooperate with safety training and education;
5) In the event of a major safety accident, quickly rescue the injured and state property, organize and maintain the scene, and participate in the investigation and analysis of the accident.
5. Safety production responsibility system for construction supervisors
1) Be responsible for the safety production of the team of the project, do not command in violation of regulations, stop risky operations, arrange construction tasks for the team and make safety technical disclosure to the team leader;
2) Assist the person in charge of the construction site, be responsible for all safety protection facilities in the project, and when there is a contradiction between progress and safety, production must obey safety;
3) Lead the team to do a good job in safety activities, organize the team to learn safety operation procedures, educate workers to use protective equipment correctly, and check the implementation;
4) Have the right to refuse unscientific, unsafe and uncivilized production instructions from superiors;
5) In the event of a major casualty accident or a major near miss, it is necessary to quickly rescue the injured, protect the scene, and immediately report to participate in the investigation and analysis of the major accident.
6. Team leader safety production responsibility system
1) Conscientiously abide by the safety operation procedures and various laws and regulations related to safety production, arrange the work reasonably according to the technical, physical, ideological and other conditions of the group members, do a good job of safety disclosure, and be responsible for the safety and health of the team members in production;
2) Organize safety activities and hold pre-class safety meetings;
3) Organize team employees to learn safety operation procedures, conduct on-site safety education for newly transferred workers, and do a good job in the visa work of safety education disclosure card;
4) Frequently inspect the safety production situation of the construction site, and solve and report the problems in time;
In the event of a major casualty accident, the injured should be rescued quickly, reported immediately, and the scene should be protected.
7. Safety production responsibility system for team workers
1) Conscientiously study and strictly implement the safety operation procedures, do not operate in violation of regulations, do not work blindly or indiscriminately, have the right to refuse the instructions of illegal operations, and have the responsibility to stop others from operating in violation of regulations;
2) Strictly abide by the rules and regulations of safety production and labor discipline, and are not allowed to play, play, chase and fight at the construction site, and do not leave the job and go to the place outside the work area without authorization;
3) Participate in various safety learning and safety activities, put forward suggestions for improving safety work, do a good job in safety production, and continuously improve self-protection awareness and ability;
4) Obey the leadership, obey the command, concentrate on the work, stick to the post, strictly prohibit drinking and work, and do not smoke or start a fire in a place where smoking is prohibited;
5) Strictly abide by the "safety regulations on the construction site", correctly use the safety "three treasures", take care of various safety facilities and safety slogans, and do not arbitrarily dismantle and move at will;
6) Pay attention to safety at the construction site, and do not climb scaffolding, well-shaped frames, gantries and cages at will;
7) Adhere to the "three-level" safety education, and those who have not been educated in safety production shall not be allowed to work;
8) In the event of an accident, it is necessary to report it immediately, and quickly and timely rescue the injured to protect the scene.
1.8.5 Safety Management
1) All construction personnel on site need to receive education on safety production and fire protection, so as to improve the ideological awareness and self-protection awareness of safety production and fire protection.
2) Must strictly implement the company's relevant safety production rules and regulations, strictly abide by the rules and regulations of the on-site general contractor on safety production, and accept the safety inspection of on-site safety personnel. Hold a pre-shift safety meeting, implement a safety technology disclosure system, repeatedly emphasize safety precautions, and make a good record of safety technology disclosure.
3) Strict on-site safety production discipline, set up obvious safety production and fire protection signs, and strictly implement the fire management system. For on-site open fire operations, a written application should be submitted to the relevant departments, and fire extinguishing equipment should be equipped at the use site and there should be a special person to supervise the fire. On-site hot work adheres to the management of "eight noes", "four wants" and "one cleanup", that is: "eight nos" before the fire:
a. Fire extinguishing measures are not implemented, and the fire is not moved;
b. The surrounding flammable debris is not cleared and the fire is not moved;
c. Nearby flammable structures that are difficult to move do not catch fire without taking safety precautions;
d. Containers and pipelines containing flammable liquids such as oil shall not be ignited without washing and scrubbing, and the residual oil will be removed;
e. Containers and pipelines that contain gases that will expand when heated and have a risk of explosion do not catch fire;
f. Workshops, warehouses and places where flammable and explosive materials are stored, and the fire is not carried out without eliminating the danger of flammability and explosiveness;
g. When welding or cutting operations are carried out at heights, the following combustible materials are not cleaned up or safety protection measures are not taken;
h. Do not fire without proper fire extinguishing equipment.
The "four wants" in the fire:
a. Before starting the fire, the person in charge of on-site safety should be appointed;
b. The person in charge of on-site safety and the fire personnel must always pay attention to the fire situation, and stop the fire immediately when unsafe signs are found;
c. In the event of a fire or explosion accident, it is necessary to put out the fire in time;
d. The fire personnel should strictly implement the safety operation procedures.
"One clean-up" after the fire:
a. After the fire is started, the fire personnel and the person responsible for on-site safety should thoroughly clean up the on-site fire before leaving the scene.
4) When entering the construction site, you must wear a safety helmet and a badge. Strictly abide by the construction personnel pass system, and the voucher enters and exits the work area.
5) Special operation personnel, including electricians, welders, etc., must be certified to work.
6) Smoking is strictly prohibited in places with flammable materials and decorations to prevent fire. Construction personnel are strictly forbidden to work after drinking to prevent the occurrence of drunken troubles and accidents.
7) The temporary electricity consumption at the construction site shall comply with the requirements of the "JGJ46-88 Technical Specifications for the Safety of Temporary Electricity Use on the Construction Site", and the following principles shall be observed in particular according to the actual situation of the project:
a. The installation, maintenance or removal of temporary electricity at the construction site shall be carried out by a licensed professional electrician, and non-electricians shall not be connected without authorization.
b. It is strictly forbidden to erect temporary wires for on-site construction on scaffolding and tree branches.
c. All electrical equipment on the construction site, in addition to the protection of zero, must be set at the head of the equipment load line at the head of the leakage protection device.
d. Each electrical equipment should have its own special switch box, must implement the "one machine, one gate" system, it is strictly forbidden to use the same switch electrical appliances to directly control two or more electrical equipment. A leakage protector must be installed in the switch box.
e. The load line of the hand-held power tool must be a weather-resistant rubber-sheathed copper-core flexible cable with no connectors. The shell, handle, load line, plug, switch, etc. of the hand-held power tool must be intact, and must be checked for no-load before use, and can only be used when it is in normal operation.
8) Cutting machines, bench drills, welding machines and hand-held power tools and other equipment must meet the relevant requirements of the "JGJ33-86 Safety Technical Regulations for the Use of Construction Machinery". Safety precautions should be taken for the herringbone ladder used in the construction, and it is forbidden to use the iron ladder on the ground after the completion of the fine decoration of the construction site.
9) High-altitude and borderline operations should comply with the requirements of the "JGJ80-91 Technical Code for Safety of High-altitude Work in Building Construction", and build scaffolding, set up protective barriers, hang safety nets, and tie safety belts for protection in the "four mouths and five edges" according to the regulations.
10) When the safety protection facilities are temporarily dismantled or changed due to the necessity of the operation, the consent of the person in charge of the construction must be obtained, and corresponding reliable measures must be taken, and the operation should be restored immediately.
11) All protective facilities and warning signs and safety signs on the construction site shall not be arbitrarily dismantled and moved at will, and no one is allowed to scribble on the wall of the construction site.
12) All fire-fighting facilities (including fire-fighting axes, fire-fighting shovels, fire extinguishers, etc.) on the construction site are strictly forbidden to be taken or used indiscriminately.
13) It is strictly forbidden to steal the items, tools and materials of the construction unit or other construction units. Once discovered, financial penalties and disciplinary sanctions will be given depending on the severity of the circumstances, and those with serious circumstances will be sent to the on-site security department or public security organ for handling.
14) The installation of the computer room and valuable equipment should be notified to the relevant units in advance to add doors and locks to strengthen the protection of finished products.
15) Attention should be paid to the commissioning stage:
a. It is strictly forbidden to turn on the power immediately without inspection.
b. After each equipment and point is inspected, the equipment and point are energized one by one. The energizing experiment is a group of two, involving strong electricity to be listed for warning and recorded.
c. After the power-on experiment, the single debugging is carried out, and the system joint debugging can be carried out only after the single debugging is normal. If other construction units are involved, they should be notified in advance and recorded.
15) For safety accidents or near-miss accidents, they should be dealt with according to the principle of "three don't let go", so that the responsible person or the party concerned can be educated and do a good job of prevention.
11.7 Technical and organizational measures to ensure civilized construction
1) It is strictly forbidden to fight, laugh, throw tools and sundries during construction operations, it is strictly forbidden to leave the construction site without authorization, and it is strictly forbidden to work with electricity. If it is necessary to work with electricity, insulated shoes should be worn, and someone should supervise it.
2) Keep the construction and living places clean and hygienic, civilized construction, it is strictly forbidden to defecate anywhere, it is strictly forbidden to throw waste anywhere, and the passage in the construction site should be kept unblocked.
3) After construction, the site should be strictly completed, the materials should be clean, and the site should be clean.
4) The construction personnel do not have room and board on the construction site. It is strictly forbidden for construction personnel to enter the construction site shirtless or barefoot, and they are not allowed to wear slippers for construction.
5) equipment and materials should enter the site according to the project progress plan, and be neatly stacked according to the specified fixed-point classification, and the materials in the warehouse should be classified and labeled and stacked neatly to meet the requirements of a civilized construction site.
6) Valuable, flammable, explosive and toxic materials should be stored in a timely manner, and the special warehouse should be managed, and obvious signs should be added to establish a strict collection and return system.
7) The construction machinery and tools should be marked with nameplates, managed by special personnel, and regularly overhauled to keep the machinery clean and tidy and good performance.
8) Strengthen the protection of finished products and semi-finished products on the construction site, it is strictly forbidden to damage finished products and semi-finished products, and compensate according to the price if there is any damage. It is strictly forbidden to block all kinds of pipes.
9) Smoking is strictly prohibited in places with flammable materials and decorations. It is strictly forbidden to fight, and the offender will be given an economic penalty of 50~500 yuan for the severity of the trial, and the serious circumstances will be sent to the public security organ for processing.
1.9 Civilized on-site construction measures
1.9.1 Safe production and civilized construction measures
In order to ensure safe production, strengthen labor protection, improve the level of civilized construction of safety production on the construction site, realize the standardization and standardized management of civilized construction, establish a "people-oriented", and take safety, environmental protection and love for the people as the main content of the civilized construction idea, according to the relevant national laws and regulations, combined with the actual situation of the intelligent system project, the civilized construction measures for safe production are formulated.
1.9.2 Safety production and civilized construction management responsibilities
1. The project manager's responsibilities for safe production and civilized construction management
l The project manager has specific leadership responsibility for the safe production and civilized construction work on the construction site.
l Conscientiously implement the relevant labor protection, safety production and civilized construction policies, laws and regulations of the superiors, regularly organize safety production and civilized construction inspections, eliminate hidden dangers of accidents, and educate employees on safety technology, discipline and civilized construction.
l The project manager shall make a detailed disclosure of the safety technical measures and civilized construction measures to the functional departments of the construction site before the start of construction.
l Strive to improve working conditions, pay attention to the combination of work and rest, and prevent work-related accidents due to excessive fatigue.
l Do not command in violation of regulations, resolutely stop illegal operations, and educate those who violate the operating procedures in a timely manner to prevent accidents.
l In the event of a casualty accident, it should be reported in a timely manner, and the cause of the accident should be carefully analyzed in a timely manner, and improvement measures should be proposed and implemented.
l The problems of potential safety hazards and non-civilized construction raised by the inspection must be arranged and urged to be rectified within a time limit.
2. Responsibilities of safety officers
l Implement safety technology, labor protection regulations and safety technical operating procedures.
l Review the construction organization design (construction plan), prepare safety technical measures and civilized construction measures, and do a good job of safety disclosure to the team.
l Inspect all working faces on the site every day, understand the safety production and civilized construction situation, strictly control the safety pass, and deal with safety issues. Make a record of the potential safety hazards and uncivilized construction behaviors found, issue a rectification notice, and set a time limit for rectification.
l Check the valid work permit of special operation personnel.
l Responsible for the three-level safety education for new workers before taking up their posts, and make records, when a work-related accident occurs, it is necessary to participate in the rescue in a timely manner, report it in a timely manner, and participate in the investigation and handling of the accident.
l Every Monday, organize all the staff of the project management department to conduct safety learning, make learning content arrangements and learning records, and prevent going through the motions and becoming mere formalities.
l Organize the construction management personnel of the project management department to conduct a safety production and civilized construction inspection every week. Rectification measures should be formulated for the hidden dangers of accidents and uncivilized construction behaviors found, and rectification should be carried out at a fixed time and with designated personnel.
l Stop illegal command and illegal operations. In case of serious danger, it has the right to suspend construction, deal with and rescue in a timely manner, and report to superiors and leaders.
1.9.3 Construction safety measures
1. Strictly implement the "Safety Technical Specifications for Construction and Installation Projects" and the "Safety Operation Specifications for Construction and Installation Workers", and conscientiously implement the safety protection requirements in accordance with the bidding documents.
2. Implement the site safety system and safety technical regulations and the site safety technical measures plan. Carry out pre-job safety technology education for new workers, organize workers to conduct safety learning for one hour every week, and sign and archive.
3. The construction management personnel must make a safety technical disclosure record while issuing the task order. In the process of construction, strengthen inspection and supervision.
4. Electricians and welders must undergo special training and be issued with an operation certificate after passing the examination before they can work independently.
5. You must wear a safety helmet when entering the construction site. Slippers, high heels, hard-soled shoes and shoes with spikes and slippers are prohibited. Barefoot is not allowed on site. Safety belts should be worn when working at height, and safety nets should be set up properly.
6. The wooden ladders, bamboo ladders, and aluminum ladders used at the construction site should be firm and firm, and the ladder feet should have anti-skid measures and pull rods. Any broken, loose and unstable wooden ladder, bamboo ladder and aluminum ladder are not allowed to be used.
7. In accordance with the provisions of the "Technical Specifications for Temporary Electricity Safety at the Construction Site", the temporary power facilities shall be arranged according to the TN-S system, and the switch wires shall meet the requirements of safe ampacity. According to the environment of the place of use, the rated voltage and rated current of the line, the corresponding electrical switch is selected. Ensure that the construction equipment is protected by one gate and one leakage to ensure the safe use of electricity.
8. It is strictly forbidden to pull or connect wires indiscriminately. Temporary cable reels for construction must be equipped with leakage protection switches. In the construction in a humid and closed place, a 24V power supply should be used.
9. Do a good job in safety education before power transmission and commissioning, and do a good job in ensuring safety organization measures. In the inspection and testing of live lines, a special person should be set up to supervise it.
10. The on-site quality and safety personnel are responsible for regular inspections of the safety status of the construction site. Organize and deal with unsafe factors in construction in a timely manner, and stop illegal operations and illegal commands.
11. Organize a safety inspection on the construction site once a week, and deal with problems in a timely manner without leaving hidden dangers.
1.9.4 Fire prevention measures
1. Establish and implement a fire prevention management system at the construction site, appoint a person in charge of fire prevention at the construction site, and set up fire protection measures that meet fire protection requirements.
2. Strengthen the education of on-site personnel on the legal system of fire prevention, and conduct regular fire prevention and public security inspections. Comply with the regulations of the owner's supervision party and implement the fire certificate system.
3. It is strictly forbidden to bring flammable and explosive dangerous goods into the sheds and dormitories for storage; it is strictly forbidden to set up stoves to make fires without authorization; it is strictly forbidden to litter cigarette butts and kindling; it is strictly forbidden to smoke while lying on the bed, and offenders will be punished.
4. The distance between incandescent lamps, iodine-tungsten lamps and combustibles should not be less than 50cm. It is forbidden to use combustible materials such as newspapers as lampshades, and it is forbidden to use lighting fixtures as domestic heaters and baking items. Always check the switch for discoloration, deformation and heating caused by local overheating. Regularly check the insulation performance of the switch to prevent fires caused by electricity.
2. Staffing of project institutions
| name | office | Professional and technical qualifications | Job Responsibilities |
| Feng Bingqing | project manager | First Class Constructor | project management |
3. Proof of qualifications
1) The curriculum vitae of the main members of the proposed project management team (including but not limited to the project manager, chief engineer, etc., the same below) (see Annex XX of the bidding instructions for the format)
2) Valid qualification certificate held by the main members of the proposed project management team (copy with official seal);
3) The personal award (honor) certificate of the main members of the proposed project management team, as well as supporting materials that can prove that the award-winning project is indeed the project manager of the proposed project manager;
4) The bidder's construction experience in similar projects (referring to scale, function, structural form, etc.) in the past five years;
5) the bidder's human resources, its own machinery and equipment resources and related supporting facilities;
Fourth, after-sales service
As a project contractor, our company will strictly follow the provisions of the tender and the contract, and provide the owner with the responsibility and obligation during the warranty period from the date of the final acceptance of the system. After the warranty period, considering the continuity of equipment maintenance, it is recommended that the owner sign a maintenance contract with our company to ensure the technical support and management support necessary for the normal operation of the system.
Services during or after the warranty period will include:
1) Service Response
The service response time is 24 hours, and our company provides hotline service, and provides service to the scene within 24 hours after receiving the repair call.
2) Retention period
Since the date of acceptance, we will provide free on-site maintenance and service for two years of the system (including software and hardware), and the product warranty and maintenance shall be strictly implemented in accordance with the manufacturer's commitment.
3) Regular maintenance
Our company will make suggestions according to the characteristics and experience of the system, negotiate with the owner, and carry out regular on-site maintenance of some key equipment.
4) On-site troubleshooting or technical guidance
At the request of the owner, our company is responsible for dispatching professional engineering and technical personnel to the site in time to solve various problems of users. After the end of the warranty period, the implementation of lifelong maintenance service, if the equipment is damaged, will be charged the cost of replacement parts and a small amount of labor costs. If there is a change in the owner's system operator, our company is responsible for training.
Our company will give priority to ensuring the supply of spare parts for users, and can be responsible for installing and replacing them for users.
5) Timely handling of emergency and abnormal situations
Experience shows that any actual system, in the process of operation will inevitably have some emergency abnormal situations, our company has the ability to deal with such emergencies, the establishment of emergency abnormal situation handling guarantee system.
The handling of such emergency abnormal situations is clearly stipulated in the terms of responsibility for the warranty period of the project and the maintenance contract after the warranty period.
6) Establish and save complete system documentation
When the system is debugged and handed over, our company will provide complete completion drawings, software and hardware documents, operation and maintenance manuals, equipment lists, etc., and help the owner establish the operation, management and maintenance documents of the system, so as to provide information in time in the event of failure, quickly find and eliminate the fault, and minimize the loss.
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The PPT scheme in the article was all gifted, a total of 400 PPT, 6 sets of complete drawings, 316 industry standard specifications and construction drawing sets, 60 word schemes, 20 construction organization designs, 20 bills of quantities (with reference prices), 162 drawings and materials, 120 VISIO tiles and topology diagrams, project management and construction plans, 68 practical excel sheets, bidding plans and construction organization design, etc.