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Completion Acceptance Report of Landslide Control Project in Jiechong Village, Shangjia Township, Leiyang City

Contents

Part One Text Report

1. Project Overview

2. Construction management situation

1. Relevant documents and approvals

① Regarding the emergency project for the hidden danger point of landslide geological disaster in Jiechong Village, Shangjia Township, our city Handle requests for project approval;

② Notice from the Hunan Provincial Department of Finance and the Department of Land and Resources on the issuance of the 2010 central large-scale geological disaster prevention and control project budget;

③ Leiyang City Land and Resources Bureau's 2011 practical implementation plan for the private sector;

④The Hengyang Municipal Bureau of Land and Resources Geological Environment Project Management Office's "Notice on Issuing the Mission Statement for the Landslide Geological Hazard Control Project in Jiechong Village, Shangjia Township, Leiyang City"; < /p>

⑤"Reply on the engineering design and budget of the Jiechong Village landslide control project in Shangjia Township, Leiyang City";

⑥Completion pre-inspection of the Jiechong Village landslide control project in Shangjia Township, Leiyang City Evaluation opinions;

⑦Request for instructions on organizing the completion acceptance of the landslide control project in Jiechong Village, Shangjia Township.

2. Bidding work

3. Establishment of construction agencies and organizations

4. Project management and project pictures

3. Design Implementation status

1. Design

2. Design changes

4. Project quality management and evaluation

1. Project quality management

2. Project quality assessment

5. Project fund management and financial settlement

1. Exploration, design, construction, and supervision contracts

2. Fund management

3. Final financial accounts

4. Financial audit

6. Social and economic benefits of the project

7 , Maintenance management after project construction

8. Data compilation and archiving

9. Existing problems

10. Conclusions and suggestions

Part II Attachment

1. Survey and design information

1. Survey report

2. Construction drawing design, budget design

2. Construction data

1. Completion report, completion acceptance application form

2. Completion drawing of the treatment project

3. Project completion schedule

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4. Project (preliminary) final account

5. Project partial design change approval form

6. Project commencement report

7. Unit project quality completion acceptance record

8. Witness sampling inspection report

9. Inspection report

10. Concealed project acceptance record

3. Supervision information

1. Supervision work summary

2. Supervision planning

3. Supervision disclosure

4. Supervision diary

5. Supervision Monthly Report

6. Project Quality Assessment Report

1. Project Overview

The landslide geology of Jiechong Village in Jieshe Township The disaster management project is one of Hengyang City’s 2011 practical assessment projects for the private sector. Located in Group 12 of Jiechong Village, Shangjia Township, the landslide is located on a slope on the north side of Jiechong Valley. It is a small-scale residual slope soil landslide. Cracks appeared on the trailing edge of the landslide in 2002. During the "715" flood in 2006, the landslide deformed, threatening the lives and property of more than 180 villagers in more than 40 households and the safety of a village-level highway, with a potential economic loss of 5 million yuan.

In May 2010, our bureau applied to the Provincial Department of Land and Resources and the Municipal Bureau of Land and Resources to establish the project for management. In December of the same year, the Provincial Department of Finance and the Department of Land and Resources allocated a special fund of 700,000 yuan for the landslide. Management of hidden danger points. The treatment project was designed by the Hengyang Geological Environment Monitoring Station, and our bureau undertook and organized the implementation. At the same time, Hunan Yancheng Construction Consulting Co., Ltd. was entrusted as the supervision unit to participate in the whole-process construction supervision. Hunan Wanshun Science and Technology Service Center was responsible for the specific construction of this project.

2. Construction Management Situation

After Hunan Wanshun Science and Technology Service Center won the bid in accordance with the law, it carefully organized a construction team with professional technical skills and excellent work, and established a project Project Department to ensure production safety and project quality.

2.1 Construction preparation

The project is carefully prepared in accordance with the requirements and tasks agreed in the contract, establishes and improves various rules and regulations and quality assurance system, and organizes the arrival and construction of various machinery The organization of the arrival and inspection of raw materials used in the project, the setting-out and retesting work based on local conditions, and the organization of material supply.

2.1.1 Site preparation

(1) Measurement and setting out

(2) Road smoothing at the construction site

(3) Temporary Laying of water supply, power supply and other pipelines

(4) Construction of temporary facilities for production and living

2.2 Bidding situation

In accordance with the "Chinese *** and According to the National Recruitment and Bidding Law and other relevant laws, our bureau entrusted Hunan Yingbang Construction Consulting Co., Ltd. to host a public bidding meeting in this bureau on September 16, 2011. Invite leaders from Leiyang Municipal Discipline Inspection Commission, Supervision Bureau, Procuratorate, Finance Bureau and other departments to supervise the whole process. After reviewing the qualifications, bidding documents, construction plans, etc. of the three bidders and adopting a two-round lottery method, Hunan Wanshun Science and Technology Service Center won the bid in accordance with the law based on the principles of openness, fairness and impartiality. At the same time, Hunan Yancheng Construction Consulting Co., Ltd. was entrusted as the project supervision unit to strictly supervise the project quality, technical requirements and construction progress.

On September 26, 2011, on the basis of equality, voluntariness, fairness and integrity, Leiyang Municipal Bureau of Land and Resources and Hunan Wanshun Science and Technology Service Center formally signed a construction contract. On September 28, the project Start implementation.

2.3 Preparation of implementation plan and construction organization

2.3.1 Preparation of implementation plan

As the project implementation management unit, Leiyang Municipal Land and Resources Bureau established Leiyang The city's leading group for the geological disaster management project in Jiechong Village, Shangjia Township, compiled an implementation plan for the management project. The plan clarified the project management content and fund budget, and made corresponding requirements for project bidding, project management, and project progress.

The construction party prepared a construction plan, which introduced the project construction measures and methods, made an overall layout of the construction sequence, formulated project safety measures, and improved the project coordination and contact mechanism to ensure that the project is completed as expected. Quality, quantity and completion on schedule.

2.3.2 Project construction organization

The construction management goal is to achieve qualified standards for project quality. Construction safety goals are to achieve safe production and eliminate safety hazards. The construction period is 30 days.

2.4 On-site management

In order to implement the project smoothly, our bureau has established a leading group for the landslide control project in Jiechong Village, Shangjia Township. The director serves as the team leader and is in charge of deputy responsibilities such as environmental protection and finance. The deputy team leader, the person in charge of the relevant unit office, and the Shangjia Township Land and Resources Office are members to strengthen the leadership of the project and complete the relevant coordination projects. During the implementation of the project, our bureau organized the construction unit, supervision unit, and design unit to conduct technical briefings. The supervision unit kept daily records of the construction status and witnessed the hidden works.

3. Design implementation

3.1 Design

The Hengyang Geological Environment Monitoring Station went to the site for on-site survey and fully solicited the opinions of the local government and villagers. In 2011 The preparation of construction design drawings, design instructions and budget documents was completed in August. It passed the expert review on August 31. On September 3, the Hengyang Municipal Land and Resources Bureau approved the engineering design and budget of the project. The sub-projects include: crack filling and compaction project, interception ditch project, rapids channel, retaining wall project, and drainage ditch project. The main design quantities are as follows: 150 meters of crack filling, 203 meters of cutoff ditch and rapids channel, 670.5435m3 of retaining wall, and 113 meters of drainage ditch.

3.2 Design changes

1. The original design of the slurry cut-off ditch and rapid trough was built with rubble, because the thickness of the ditch wall was only 200-300mm, and the rubble that Leiyang local materials could provide It is an irregular rough stone with a stone diameter ranging from 400-600. It cannot be constructed according to the drawings, so it is changed to a U-shaped groove produced in a stereotyped manner.

2. During the construction of the torrent channel, it is necessary to pass through access roads and village-level highways according to the actual terrain, so some parts are changed to φ500 prefabricated concrete culvert pipes for drainage.

3. According to the actual situation, a sand sinking well will be installed when the drainage channel enters and exits the hidden culvert.

IV. Project Quality Management and Assessment

The landslide control project in Jiechong Village, Shangjia Township, Leiyang City is supervised by Hengyang Yancheng Construction Consulting Co., Ltd., with the great efforts of the implementing unit With the support of the company and the active cooperation of the construction unit, the supervision tasks of the engineering phase of this project have been successfully completed.

5. Performance of the Supervision Contract

After the supervision team entered the site, the director was responsible for preparing the "Supervision Plan". Before the start of the project, the supervision engineer was responsible for preparing the "Supervision Plan". Detailed Rules" to guide the implementation of on-site supervision work. The on-site project supervision team carries out coordination in accordance with the "Construction Law of the People's Republic of China", "Construction Project Quality Management Regulations" and the existing departments, investment control, information management, contract management, and on-site organization and coordination. Supervision and management, on-site supervision personnel are in place in a timely manner, and supervision and management measures are effective. We insist on standing by key processes and key control points throughout the entire process, and conduct uninterrupted inspections of the construction work surface to achieve strict management and enthusiastic service. With the guidance of the Municipal Quality Supervision Station and the assistance of the responsible units, our company successfully completed various supervision tasks in accordance with relevant national regulations and contract agreements.

VI. Supervision basis

1. National and provincial policies, decrees, regulations, procedures and standards on the construction of geological hazard projects;

2. Economic Project documents and relevant regulations approved by the land and resources department;

3. Project bidding documents, construction project construction contracts, project supervision contracts and contracts involving supervision services signed between the construction unit and a third party;< /p>

4. Hengyang urban land consolidation project planning and design atlas and related planning and design documents;

5. Design budget and construction budget of this project;

Seven , Supervision work effectiveness

(1) Preparation stage

According to the supervision outline, supervision contract and other relevant information, prepare the supervision plan, supervision details, project supervision plan and organization in a targeted manner The supervisors are familiar with the design drawings, participate in the technical briefing meeting on the drawings, review the construction organization design, point out existing problems in a timely manner, and make corrections through the construction party, and review the quality management, technical management system and quality assurance system of the construction party's on-site project management organization. , work with the construction party to inspect the measurement and setting-out control results and protective measures, participate in the first regular construction site meeting, and review the start-up report and relevant information submitted by the construction party.

(2) Quality control work

1. Quality control before construction

(1) Before the start of construction, according to the characteristics of this project, carefully formulate it in accordance with relevant specifications The "Supervision Plan" and "Supervision Rules" were formulated as guiding documents for on-site supervisors to implement whole-process quality monitoring, clarifying quality control objectives.

(2) Carry out quality control on raw materials, semi-finished products, etc. required for the project. Prevent substandard materials from being used in this project. We have established a material inspection system and implemented a witness sampling system for raw materials entering the site to control material quality.

(3) Strictly review the qualifications and quality of the construction team of the construction unit, and require construction personnel and special types of work to have certificates.

(4) Carefully review the construction organization design of the construction unit, and require the construction unit to strictly follow the construction organization design. Construction can only start after the mechanical equipment and personnel organization meet the requirements.

(5) For important sub-projects, construction plans are required to be prepared before construction, and construction can only be carried out after approval.

2. Quality control during the construction process

(1) Engineering measurement and test control measures

Follow "from the whole to the part, control first and then the details" According to the construction measurement principles, construction control piles (nets) can be accurately established.

The points in the construction control piles (network) should be checked and corrected frequently during construction to prevent collisions and subsidence. If any loose, subsided or missing plane and elevation control piles are found, they should be reinforced and Restore and recalculate.

For plane positioning measurement, more than two control piles must be used for joint measurement and closed to avoid errors. Measuring instruments should be tested and calibrated regularly according to regulations to ensure the accuracy of the instruments.

In order to ensure that the quality of the backfill is effectively controlled, all geotechnical experiments and earthwork compaction density tests are sampled and tested by the testing laboratory. Only those that pass the test can enter the next process of construction.

(2) Earth excavation project

Before earth excavation, the original ground should be treated as follows:

The tree stumps and main roots on the ground should be pulled out and their holes It should be backfilled and compacted in layers. Long grass or vegetation on the ground should be mowed. Before filling on the water surface, the accumulated water should be removed and the silt should be dried. Within the construction scope, surface vegetation, miscellaneous fill soil, ponds and paddy field silt should be removed. The filling operation can only be carried out after the original ground treatment and rolling of the road backfill has been inspected and passed by the supervision unit. When the moisture content of the soil material is too high, measures such as plowing and drying, air-drying, and adding dry soil or other water-absorbent materials should be taken; when the soil material is too dry, it should be moistened by sprinkling water in advance, increasing the number of compaction passes, or using High power compaction machinery. During drying of gas repairs, the processes of excavation, soil transportation, soil leveling and rolling should be accelerated to reduce rain or sun exposure during the construction process and prevent rapid changes in soil humidity. If there is groundwater or stagnant water in the filling area, drainage ditches and water collection wells should be set up around it to lower the water level. If the filled soil is flooded, the mud should be removed before proceeding to the next process. The filling should be done on the same day and compacted (tamped) on the same day. Strengthen process quality control. Quality and technical standards must be strictly implemented during the construction of each process.

(3) Progress control work

(1) During the construction process, assist and supervise the construction party to implement the progress plan. Redeploy unreasonable areas. Since there are many factors that affect the progress of this project, local coordination with the construction party also increases. It is determined that the main coordination project will be undertaken by the responsible unit and the supervision department, and will not affect the normal operation of the construction party. This project is time-critical. Therefore, the supervision department and the construction party made plans to take advantage of the good weather, arrange the working time and personnel for each process in a reasonable and step-by-step manner, and complete each process according to quality.

(2) At regularly scheduled construction site meetings, supervise the construction party and adjust the plan based on the actual situation on site and against the planned progress. For construction delays caused by weather and construction environment, the construction party is required to formulate a progress plan during the postponement period to ensure that the project is completed within the postponement time.

(4) Investment control work

(1) Formulate a capital plan, regularly compare the actual investment value with the target value during the project implementation process, and discover and point out the actual expenditure through comparison Analyze the deviation between the amount and the investment control target value, analyze the reasons for the deviation, and take effective measures to control it to ensure the realization of the investment target.

(2) Verify the completed project quantity reported by the construction party, and reject the measurement report for unqualified work and projects.

(3) Promptly cooperate with the undertaking unit to complete the summary of project quantities and completion settlement.

(5) Information, contract management and coordination work

(1) Appoint a dedicated person for management and check and implement the registration system to ensure that the contract is not lost. Notify all parties of any problems existing in the contract in a timely manner and coordinate to deal with them. Avoid the occurrence of various claims and counter-claims, while ensuring the legal effect of the contract in time operations.

(2) Supervisors should be "diligent in hand, footwork and verbal communication" during the construction process, and deal with problems in a timely manner. At the first construction site meeting, it was made clear that regular construction site meetings will be held every ten days. At the meeting, the focus will be on reviewing the implementation of the last regular meeting, determining plans for the next phase, handling various issues from the first phase in a timely and effective manner, and coordinating multi-party relationships. So far, the project has progressed smoothly.

8. Review of project quality assurance data

After verification, the project quality assurance data is basically complete, the safety and functional inspection (testing) reports are complete, and the conditions for completion acceptance and filing are met.

4.1.3 Project progress control

The start date of this project is September 26, 2011, and the completion date is October 27, 2011, which lasted 30 days.

4.1.4 Project quality control situation

In terms of project quality control, first, adhere to prior control. Before the start of each branch project, a regular supervisory meeting will be held to discuss the progress of the branch project. Pay attention to matters and make arrangements. The second is in-process control, with sampling inspection of construction materials at various times. Cement, culverts, and geomembranes were sent for inspection based on factory certificates, and sand, gravel, pebbles, and rocks were sent for inspection. We witnessed sampling of mortar and concrete at each construction stage and stood by during the entire construction process to evaluate the quality of each unit project. Conduct quality assessment. (See the table of mortar and concrete inspection results for each period.) The third is post-event control, organizing each construction team of the construction unit to conduct a final inspection of the completed construction section, discover problems, and solve them in a timely manner.

(1) During the progress control, the supervision department reviewed the overall project progress plan proposed by the construction unit, and urged the elimination of unfavorable factors according to the overall progress plan, and took measures to ensure the construction period. Management agency staffing and qualifications were reviewed, and planned and actual progress were compared.

(2) In quality control, the construction site implements a two-level parallel system for quality monitoring. The supervisor is the first level and the construction unit is the first level. Each of them conducts daily on-site inspections and inspections of the construction quality. The technical person in charge and the construction workers conduct on-site inspections, and the supervision engineers carry out the inspections in conjunction with them. All materials such as culverts, geomembranes, cement, sand, and stones entering the construction site are randomly inspected. Unqualified materials are not allowed to enter the construction site. All materials are submitted for inspection as required. The inspection results are all qualified. The materials are controlled and the construction quality is maintained. Guaranteed.

(3) In cost control, project change procedures and construction site visas were strictly controlled. There were no claims for compensation in this project.

4.2 Project Quality Assessment

The supervision unit conducted a comprehensive assessment of the acceptance status of each unit project and the review of technical data of the Jiechong Village Landslide Control Project in Shangjia Township, Leiyang City, and determined The project has reached the project quality standards stipulated in the construction contract, and the project is deemed to be a qualified project. With the joint efforts of all parties involved in the construction, this project successfully achieved the project investment, construction period and quality objectives. The entire project area has been constructed and the expected results of project construction have been achieved.

9. Project Fund Management and Financial Final Accounts

In terms of project fund management, we strictly follow the provisions of the "Interim Measures for Fund Management of Geological Environment Projects in Hunan Province" and in accordance with accounting laws and financial disciplines. According to the requirements, special funds must be strictly managed and used properly, and special account accounting and storage of project funds in special accounts have been implemented to ensure that special funds are used exclusively. The total investment in this project management is 700,000 yuan, including 598,300 yuan in engineering fees, including 48,000 yuan in measurement and survey fees, 510,300 yuan in engineering construction fees, and 40,000 yuan in monitoring fees. The preliminary work expenses are 47,800 yuan, the completion inspection fee is 12,000 yuan, the owner's management fee is 15,000 yuan, the unforeseen expenses are 10,000 yuan, and the house demolition and compensation fee is 15,000 yuan, totaling 698,100 yuan.

5.1 Project Fund Management

All work and expenses completed by entrusting intermediaries are managed under a contract system. The owner's management fees, entertainment expenses, official expenses, and printing expenses are subject to budget applications. Approval is done with one pen and overspending is strictly prohibited.

5.1.1 According to the contract signed on October 26, 2010, the project fee will be paid in installments according to the construction progress:

Within 10 days after the start of the project, the project fee will be paid by the supervising engineer and the contractor. After the party verifies that it is correct, the first phase of the project (20% of the winning bid price) will be allocated, with an amount of 205,000 yuan; when 80% of the total project volume is completed, 30% of the total project volume will be allocated, with an amount of 153,000 yuan;

After the project is fully completed and passed the inspection and acceptance by Hengyang Municipal Bureau and Leiyang Municipal Technical Assessment Group, the balance (20% of the winning bid price), amounting to 126,800 yuan, will be paid, and the balance (total 126,785 yuan) will be paid. 5% of the price) or 25,500 yuan will be reserved as project warranty deposit.

5.1.2 Exploration and measurement fee: The contract stipulates that 48,000 yuan will be paid in one lump sum when the survey report is submitted.

5.1.3 The project supervision fee is 15,000 yuan, which will be paid in one lump sum after the work is completed.

5.2 Project Financial Audit

According to the progress of the project, the situation will be reported regularly to the superior authority and the finance and supervision department at the same level. Each fee will be paid after being reviewed by the finance department. After the completion of the project, Hengyang Xingtai Engineering Cost Consulting Co., Ltd. was entrusted to compile and review the final financial accounts of the project and conduct financial audits, which standardized the management of project funds and improved the efficiency of the use of project funds.

10. Social and Economic Benefits of the Project

Through the implementation of the treatment project, the safety hazards of more than 20 households and more than 80 people in Groups 9-13 of Jiechong Village have been effectively alleviated.

11. Maintenance and management after completion of the project

After the treatment project is accepted by the expert group, the beneficiaries will pay attention to maintenance and management themselves.

12. Data compilation and archiving

After the project is completed, our bureau will supervise and assist the construction unit and supervision unit to prepare and submit completion reports, supervision reports, and collect and organize the original project data Archiving work, responsible for filing data as required before acceptance by the provincial department.

Our bureau organized professional and technical personnel to review and pre-accept the construction project completion report, as-built drawings, relevant statistical forms, project supervision reports and other information. The overall feeling is that the information is relatively complete, including the samples submitted for inspection of the main materials, the sampling of the construction, and the samples submitted for inspection. Applications for project construction, inspection and acceptance of on-site supervision, visas, and various correspondence related to changes were carefully sorted and archived.

In addition, the pre-acceptance team put forward supplementary, modified and improved opinions on existing problems such as inconsistent data, incomplete information, and insufficient frequency of samples for inspection. The implementing unit has supervised the construction and The supervision unit completed the rectification, revision and submission of construction data, supervision data and financial statements in strict accordance with relevant regulations. After supplementation, improvement, and modification, the construction data and supervision data finally submitted by the implementing unit are complete in content, unified in data, and financially standardized, meeting the requirements of Article 6 of the "Interim Measures for the Acceptance of Geological Environmental Protection Projects".

13. Main existing problems

Due to limited governance funds, some geological disaster hazards in the village have not been managed.

14. Conclusions and Suggestions

The landslide control project in Jiechong Village, Shangjia Township, Leiyang City starts from the aspects of project bidding, contract signing, construction quality, construction progress, construction management and finance. The overall operation conditions such as management are relatively standardized and comply with the "Interim Measures for the Management of Geological Environment Projects in Hunan Province" No. 36 of Hunan Land and Resources Bureau [2010] and the "Interim Measures for the Fund Management of Geological Environment Projects of Hunan Province" [2010] No. 8 》requirements. The project pre-acceptance team evaluated the project as a qualified project after comprehensively considering the project quality, project progress and project management.

It is recommended to continue to implement the second phase of the treatment project to completely eliminate the hidden dangers of geological disasters in the village.