General construction scheme of vegetation concrete slope protection and greening?

What are the specific contents of the general construction scheme of vegetation concrete slope protection and greening? The following Zhongda Consulting Bidding Teacher will answer your questions for your reference.

1. General situation of the project

The slope is a rock slope (concrete slope), with stable slope, well-developed or slightly weathered rock texture, and the slope ratio is 1: 1 ~ 1: .3.

2. Construction methods, technical measures and construction equipment for slope greening

1. Construction technology

Rock slope greening technology adopts the patented technology of Three Gorges University: vegetation concrete slope protection greening technology, which has applied for four national technical patents. Three patent certificates have been obtained, and it has been widely used in Gaobazhou, Geheyan, Three Gorges, Jiangsu, Shandong, Hunan, Yunnan, Sichuan and other places for more than 3, square meters.

2. Selection of grass species

The mixed formula of grass species is: _ _ _% of dog bud root, _ _ _% of Eragrostis curvata, _ _ _% of perennial ryegrass, _ _ _ _% of alfalfa, _ _ _ _% of Caragana korshinskii and _ _ _% of Lespedeza.

Dog bud root of Gramineae, a perennial herb, belongs to warm season lawn. The grass has stolons and rhizomes, and it has fast propagation, strong growth potential, easy to form a lawn in a short period of time, slender leaves, requiring more fertilizer and water, low pruning resistance, strong adaptability, salt and alkali resistance, trampling resistance and extensive maintenance and management.

Eragrostis curvata: warm-season grass, clustered, with slender leaves, well-developed root system, up to 9㎝, with strong cold resistance and drought resistance.

perennial ryegrass: cool-season grass, clustered, safe for winter at the low temperature of-3℃, fast planting speed, strong resistance to pests and diseases, able to quickly cover the slope and provide a good environment for the growth of other plants.

Medicago sativa L. is a straight-rooted plant with well-developed taproots, which can fix nitrogen in the air, resist drought, cold and barren soil, improve soil physical and chemical properties, improve soil fertility, form stolons and produce beautiful purple florets.

the mixed seed combination is suitable for the temperature and climate in the construction area, and has strong characteristics of soil conservation, slope protection and sand fixation, and the mixed seed combination ensures the slope to be stable and green in cold and warm seasons.

3. construction flow chart.

4. Open the construction channel at the top of the slope to remove weeds and sundries that hinder the construction.

5. Slope cleaning. The purpose of slope cleaning: one is to clean up dangerous stones. The other is to level the slope to facilitate the growth and maintenance of plants.

6, hanging net anchorage. Green with _ _ # barbed wire, mesh _ _ ㎝× _ _ ㎝, mesh overlap _ _ ~ _ _ ㎝, net hanging to the top of the slope drainage ditch, with φ _ _ _ rebar, length _ _ cm ~ _ _ ㎝. Anchor nail exposed _ _ _ ~ _ _ ㎝ net distance from slope _ _ _ _ _ cm and anchor nail binding. (The diameter and length of the anchor can be designed separately if the slope needs to be reinforced)

7. Soil selection and processing. Sandy loam, with sand content less than _ _%, hauled by exotic soil, sun-dried, crushed and sieved.

8. Vegetation concrete is sprayed. The average thickness of vegetation concrete is _ _ ㎝, which is divided into two layers, the base layer and the surface layer. The base layer is _ _ ㎝, and the surface layer contains grass seeds. When spraying, the nozzle head is vertical to the slope, and the distance from the slope is not more than _ _ _ m.

9. Drainage hole. Simple drainage holes shall be set at the interval of _ _ m× _ _ m, and there is obvious seepage on the slope, so it is necessary to drill _ _ ㎝ and install plastic drainage pipes.

1. Grass seeds. Grass seeds are mixed grass seeds, and cool-season grass and warm-season grass are used together.

11. coverage. Covered with non-woven fabric, moisture preservation and sun protection.

12. Maintenance. The maintenance is mainly based on sprinkler irrigation. During the construction period, the sprinkler irrigation net is composed of black hard plastic pipes, and the rocker nozzle is installed for sprinkler irrigation to ensure the water and nutrients required by the seedlings. After the completion, the maintenance will continue for half a year. Permanent sprinkler irrigation system can be set up for projects with high landscape requirements.

13. Construction equipment

Air compressor _ _ _, hand pneumatic drill _ _ _, mixer _ _ _ _, ejector _ _ _ _ _ _, dump truck _ _ _ _ _, electric welding machine _ _ _ _ _, pulverizer _ _ _ _ and high-pressure pump.

iii. Measures to ensure project quality

1. Establish a complete quality management system

The project management department has an engineering department and a central laboratory to take charge of quality work. Each construction team has a quality inspection team with full-time quality inspectors, and each construction site also has part-time quality inspectors to form a three-level quality management network. Carry out quality education for all employees, link project quality with wages, and formulate reward and punishment regulations. That is, according to the quality of each sectional project construction, each department of the project intends to set up a quality award, with clear rewards and punishments. There is no direct connection between the funds of the first-level quality control personnel and the inspected department, so as to improve the relative independence of quality control work.

the engineering technology department and the central laboratory work under the leadership of the chief engineer, and the main scope of supervision and inspection is as follows:

(1) whether the quality and specifications of various materials are qualified;

(2) whether the construction technology and operation method of the sectional works conform to the specifications;

(3) Whether the quality of the project meets the requirements of Technical Specifications, failing to accept unqualified projects, and resolutely "reinvent the wheel";

(4) Whether the original records are timely, accurate and complete;

(5) regularly check whether the performance of various construction machinery is in good condition;

(6) whether the measurement and test are correct and conform to the specifications;

(7) Whether TQC is implemented seriously and whether effective measures are taken for weak links;

(8) Whether the construction personnel hold the work permit to prevent the construction from escaping;

2. Establish a quality responsibility system

Establish a quality responsibility system for all departments and posts, so that the responsibility can be assigned to people. Establish the quality objectives of each sub-project for management. The builder of each subsection construction shall be responsible for the construction quality of this section; The person in charge of each construction team shall be responsible for the construction quality of each section of the work area where the team is located; All departments of the project manager should be responsible for the quality of all kinds of projects in charge of the whole project. In this way, it has been implemented layer by layer and the quality management system has been straightened out.

3. Carry out quality education and technical training

Organize the personnel engaged in this contract to study the Technical Specification seriously and do a good job in quality education. New workers must undergo on-the-job training, and the backlog of jobs must be certified. Always publicize and clarify the importance of engineering quality, so that all staff can establish the view of "quality first, owner first, prevention first, and speaking with data".

4. Establish a central laboratory

Set up a central laboratory in the project management department. The central laboratory is equipped with instruments and equipment for routine geotechnical test, concrete test, mixture proportion and other complicated test work to meet the test service of the project. The central laboratory is equipped with a testing engineer who has both theory and practice and experience, and two assistant test engineers who work under the supervision of engineers. In addition, the central laboratory also fully implements the inspection and quality control of raw materials or test pieces used in the project.

5. Establish the technical disclosure system before construction

Please ask the design representative to make disclosure before construction, and put forward technical problems that are unknown or unclear in the construction drawing, so as to facilitate future construction. Before the commencement of each subdivisional work, the construction personnel shall be disclosed according to the construction organization plan approved by the supervision engineer, and the construction shall be carried out in strict accordance with the construction organization plan to ensure the project quality.

6. Project listing system

The purpose is to strengthen responsibilities, clarify the scope, promote contact and facilitate supervision.

(1) The project leader, production, technology, quality control, testing leaders and accredited supervisors at all levels shall be listed in the headquarters of the joint management department and various construction teams;

(2) The quality standards and statistics of main materials and processes should be listed;

7. Carry out quality appraisal activities, and implement excellent quality award

The subordinate construction team of the project management department will hold a mobile red flag competition with subsection construction as the unit, which will be evaluated once a month, with quality, progress and safety as the main evaluation contents, and reward the unit that won the red flag. At ordinary times, engineering and technical personnel should often go deep into the site for quality tracking.

check, urge and correct in time when problems are found, and ensure the engineering quality. And according to the situation of quality tracking inspection, do a good job of quality award evaluation basis, and implement high-quality excellent award.

IV. Measures to ensure the construction period

1. The construction period of this contract is determined to be days. Time limit control is one of the contents of construction enterprise management, and it is also an important index reflecting comprehensive management ability. We will establish a good corporate image for ourselves. While creating high-quality projects, we will also complete the construction tasks on schedule, so as to bring investment benefits to the owners as soon as possible. Therefore, we will ensure that the construction tasks will be completed on schedule in the next day. To achieve this goal, we will take the following measures:

(1) Before the start of construction, we will organize engineers and technicians and experts from relevant parties to conduct a detailed investigation on the environmental conditions of the project and fully grasp the first-hand information of the project. Make a comprehensive evaluation and analysis of the geography, geology, hydropower and road distribution of the workshop, and make a detailed plan and necessary implementation of the local material supply required by the project and the ways for machinery, equipment and personnel to enter the construction site.

(2) quickly put into site preparation, and strive to finish all the preparatory work for construction within 7 days.

(3) Carry out ideological mobilization throughout the company, throw yourself into the ranks of the project construction with a brand-new mental outlook, and carry out the construction scale, total construction period and quality requirements of the project in the hearts of every employee, so that all the staff can be United.

(4) Respect for science, respect for experiments, quality first, and strictness. Strengthen the quality consciousness of construction personnel. Everything shall be constructed according to "technical planning" and relevant "construction specifications", and mass TQC group activities shall be actively carried out, and quality management system and quality assurance system shall be established and improved to ensure speed and progress by quality.

(5) Strengthen the management of the project plan, make detailed construction progress plans for each sub-item, and use words and charts to express the compilation basis, engineering characteristics, construction methods, technological processes, arrangement of materials, equipment and labor, construction quality and safety assurance measures, etc., and satisfy the engineers. The work of each sub-item is carried out smoothly as planned, in an orderly way.

V. Measures to ensure safety in production

1. Educate all employees about safety in production, conscientiously study and implement national, provincial and municipal safety laws and regulations, provisions on the protection of workers' labor rights and interests, norms for safe and civilized construction, enhance the legal concept of workers' safety, adhere to the policy of safety first and prevention first, and do a good job in safety construction. The specific measures are as follows:

(1) Ensure from the superior of the organization that

a greening project department is set up to be responsible for the safety production and security work of the project, with the project manager as the team leader (the first responsible person) and full-time security officers (the class leader and the team leader as the first responsible person) for each team to be responsible for the daily production and life security work. The safety management system composed of project managers, engineers and quality and safety management personnel is a top-down step-by-step responsibility system to ensure safe production.

(2) Ensure from the system

The project department will organize the security team of the construction team and the safety personnel to improve and perfect various rules and regulations according to the national safety laws and regulations. Establish an accident registration and reporting system. Once an accident occurs, it should be handled immediately, and reported and registered step by step to prevent the occurrence of major accidents and ensure safe production. According to different types of work, formulate specific rules for the implementation of work teams in safety production, and conscientiously implement them in production, implement the system of waiting for certificates, educate and train employees on safety production and labor protection before taking up their posts, and enhance their awareness of safety production and labor protection.

(3) Logistically ensure

to do a good job in the staff canteen, implement a special person inspection system for purchased food, prevent the purchase of spoiled and toxic food, and put an end to food poisoning accidents. Do a good job in personal hygiene and environmental sanitation, beautify the environment, purify the air, create a beautiful production and living environment, prevent infectious diseases from spreading and spreading, ensure attendance, and ensure production safety.

(4) Management guarantee

According to the reward and punishment system for production safety formulated by the company, combined with the actual situation of the project management department, the detailed rules for reward and punishment for production safety are formulated. Reward construction teams, teams and individuals who have made remarkable achievements in observing national policies, laws and decrees, observing labor discipline, carrying out construction according to safety regulations and construction technical specifications, maintaining production and living order, and maintaining social order; On the contrary, it will be punished to ensure the orderly production and life and ensure the safety of production.

VI. Civilized construction measures

1. Set up eye-catching signs, slogans, and put them on the construction site, and give a briefing. Blackboard, do a good job in the propaganda of safe production and civilized construction.

2, unified layout, the scene in an orderly way, unified command, so that the road is smooth.

3. The site shall be cleared after work, and fixed toilets shall be arranged at the site to ensure the clean and civilized environment.

4, led by the office to carry out a variety of labor competitions, so that employees can establish a good atmosphere of love and dedication, and enhance their sense of ownership.

VII. Environmental protection measures

1. Enhance environmental awareness and strengthen environmental protection. During construction, avoid unnecessary damage to the surrounding environment. After the project is completed, the construction site should be cleaned and restored to ensure a beautiful environment.

2. Deal with the sewage and garbage. The sewage shall be provided with a urinal and a non-urinal. Cement mortar layer shall be applied around the urinal to avoid leakage, and the top shall be sealed and cleaned regularly. The sewage pool is often sprayed with chemicals to sterilize and clean up the sediment. The sewage can only be discharged after cleaning treatment. The garbage is placed in a centralized way and sent to a local designated place for storage on a regular basis or buried in a pit and covered.

VIII. Personnel and organization

1. Set up a greening project department with 1 project manager, 1 engineer and 2 quality and safety management personnel.

2. Name of concrete worker _ _ _

3. Name of rebar worker _ _

4. Name of pneumatic driller _ _

5. Name of electrician _ _ _

6. Name of electric welder _ _ _

7. Name of mechanical operator _ _. source=bdzd