Road engineering is an applied science and technology engaged in road planning, survey, design, construction and maintenance. This is the road engineering acceptance report I prepared for reference only.

Road engineering acceptance report Part I: Municipal road completion report

I. Overview of the Project

The starting point of 1 Road is the intersection of the design of Shahexi District 18 Road and the design of 1 Road, and the ending point is the west ramp of Xisha Bridge, with the pile number K0+963. The red line of the road is 25~27m wide, with a total length of 952.36m The road is of road type, with the width of motor vehicle lane 14m, the widening section 14~ 16m, and the sidewalks on both sides are 5.5m (including tree ponds).

This project is invested by Beijing Zhenbang Ji Cheng Development and Construction Co., Ltd., designed by Beijing Longtai Design Consulting and Development Company of Beijing Municipal Engineering Design and Research Institute, supervised by Beijing Zhao Pu Bolun Engineering Management Co., Ltd., and constructed by Beijing Changshui Construction Company No.1 Project Department.

1. 1 motorized pavement structure

Fine-grained asphalt concrete AC- 13 3cm

Medium-grained asphalt concrete AC- 16 5cm

Emulsified asphalt lower seal coat 1cm

Lime fly ash macadam mixture 20cm

Lime fly ash macadam mixture 20cm

The total thickness is 49cm.

1.2 sidewalk structure

Permeable walkway brick 10*20*6 6cm

1:5 Dry mix 2cm of medium sand in cement.

C 15 sand-free concrete 15cm

Coarse sand cushion 5cm

The total thickness is 28 cm.

II. Number of major projects

The area of motor vehicle lane is 13753+0m2.

The sidewalk area is 9342.75 square meters.

365 sets of concrete tree pools

Kerbstone 12*30*74.5 1888m

Kerbstone 8/10 * 30 * 49.51868m

Third, the construction process

3. 1 Commencement and Completion Date

Commencement date: 2065438+00 July 6th.

Completion date: 20 1 1 June 25th, 2008.

3.2 engineering survey

According to the control points CX3A~CX 1 provided by the owner, and in view of the characteristics of large area, long line and high measurement accuracy of the key parts in the construction site, the surveyors made the attached traverse D (D 1~D 10).

3.3 Subgrade Engineering

3.3. 1 Excavator carries out subgrade excavation, and the earthwork is abandoned by car transportation. The elevation flatness of vertical and horizontal sections of road center line meets the requirements of design specifications.

3.3.2 subgrade reinforcement treatment

The surface of road 1 is too wet, and the soil is plain clay and soft gum. During the construction period, 60cm below the middle roadbed will be replaced by graded sand, and 9% lime soil will be treated with 15cm. Gravel will be laid and rolled in two layers. After testing, the thickness, flatness and compactness of 9% lime soil will meet the requirements of the specification. 9% lime soil will be mixed in proportion outside the site, transported to subgrade by car, spread by bulldozer, leveled manually and rolled by roller. After testing, the height, thickness, flatness and compactness meet the requirements.

3.3.3 The lime-fly ash macadam mixture at the grass-roots level is mixed in the mixing yard, transported by car and spread with the shipment. Lime-fly-ash-sand mixture is spread in two layers by automatic leveling paver. The compaction coefficient is determined by the test section and popularized in a large area. When rolling, its water content keeps the best water content. Within the range of 2%, the indexes of lime fly ash sand mixture meet the requirements of design specifications by adopting light rolling procedure.

3.3.4 Asphalt concrete pavement construction, asphalt concrete paving adopts the joint operation of paver echelon, and the whole picture is paved.

3.4 Road ancillary structures construction

curb

Sidewalk construction

5cm coarse sand cushion at the base of sidewalk shall be laid manually, watered and kept flat.

Tamp and compact. No-sand concrete adopts commercial concrete. Tree pool formwork support, concrete vertical curb elastic line control elevation, artificial paving thickness, ruler leveling, small pavement rolling. Laying permeable brick adopts1○ 5 cement medium sand centralized dry mixing. Paving permeable brick shall be laid out by punching, and the flatness shall be controlled by 5.5m rod ruler. Irregular and semi-brick paving shall be cut mechanically. Blind road construction should be carried out in accordance with the relevant provisions of barrier-free facilities, blind roads should be unobstructed, stop bricks should be smoothly connected with the sidewalk at intersections, and have perfect use functions. The boundary of the tree pool should be placed according to the designed spacing.

Four, the main design changes and engineering negotiations

4. 1 20 10 8 17 project negotiation record: the groundwater level of 1 road is high, and the soil is soft, gelatinous and mixed with cohesive soil. The whole line is filled with 60cm graded sand and compacted by layers.

4.20 10 65438+29 00 1 October: the longitudinal slope of K0+860~K0+966.84 of1No.Road is adjusted from the original design 1.4% to 0.4%, which is directly related to the slope of the northwest road of the west ramp of Xisha Bridge.

4.3 Engineering negotiation record on May 23rd, 20 1/year:1Road K0+025~K0+ 109.54 has been completed, and the sidewalk has moved northward 1. 1m, and the land acquisition of PetroChina has been moved out.

V. Engineering Quality and Safety

According to the "Beijing urban road engineering construction technical regulations" construction, according to the "urban road engineering"

Cheng construction quality inspection standard ",the average pass rate is 98.9%, and no quality accidents and safety accidents are found.

Six, the project quality self-inspection, with the completion acceptance conditions.

The project manager and chief supervision engineer sign opinions;

Person in charge of the unit: signature:

Beijing Changshui Construction Company

date month year

Road engineering acceptance report Part II: Road completion acceptance report

I. Overview of the Project

Project name: Xinlong Road Road Road Project, Chengdong Road, Dehua County

Owner: Office of Road Engineering Construction Leading Group of Xinlong Road, East Section of Dehua Huancheng Road, 203 Provincial Highway

Design unit: Fujian Forestry Survey and Design Institute

Survey unit: Fujian Architectural Textile Design Institute.

Supervision unit: Beijing Zhongcheng Construction Supervision Co., Ltd.

Construction unit: Fujian Rongqi Construction Engineering Co., Ltd.

Supervision unit: Dehua County Construction Engineering Quality Supervision Station

Architecture overview:

Xinlong Road Road Project is located in the east of Dehua County, starting from the intersection of Xinlong Road and East Third Ring Road in the south, intersecting with the planned road at K0+283.307m, setting a 4 * 20m prestressed concrete hollow slab beam bridge across Xu Xi at K0+374.5m, and intersecting with the planned road II at K0+453.658m and K0+604.683m The subgrade type is general subgrade. Accessory structures include kerbs, crash barriers, sidewalks, slab culverts, rainwater and sewage pipes, drains, etc.

structural style

1, main technical standards:

Road grade: secondary urban trunk road.

Calculated speed: 40km/h.

Pavement structure: cement concrete pavement

Cross slope of road: 1.5%

Earthquake load: earthquake plus peak acceleration of 0.05g.

Route crossing: plane crossing

Height system: Yellow Sea height system.

2, cross-sectional design:

The red line width of Xinlong Road road planning is 34.5 meters, and the motor vehicles are arranged in two directions and two lanes:

4.5m (sidewalk) +3.5m (slow lane) +7.5m (roadway) +3.5m (central belt) +7.5m (roadway) +3.5m (slow lane) +4.5m (sidewalk) = 34.5m

3, pavement structure design:

(1) Pavement structure of main lane

Surface cement concrete pavement (fr=5MPa) 20cm base 5% cement stabilized macadam layer 18cm.

Cushion caulking gravel 20cm

(2) sidewalk structure

6cm huoshaoban

4cm pebble cement concrete (no sand)

20cm permeable sand-free coarse aggregate cement concrete

Scope of this acceptance: unit project of Xinlong Road in the east of Dehua County.

Second, the implementation of engineering technical standards

1. Mandatory standards and specifications shall be strictly implemented in the construction of this project, and the quality control standards implemented in the construction mainly include:

a.？ Road project of Xinlong Road in the east of Dehua County? Construction bidding documents and construction contracts B. Construction drawings of Xinlong East Road Project in Dehua County (K0+000 ~ K0+749 438+0) designed by Fujian Forestry Survey and Design Institute.

C municipal road engineering quality inspection and evaluation standard CJJ 1-90

D code for construction and acceptance of urban road subgrade engineering CJJ44-9 1

E. code for construction and acceptance of cement concrete pavement GBJ97-87

F Code for Construction and Quality Acceptance of Urban Road Engineering CJJ 1-2008

G code for construction and acceptance of water supply and drainage pipeline engineering (GB50268-2008 H). Other relevant technical regulations and specifications.

2. Project site management

In the whole construction process, the project department of our company always adheres to the construction policy of safe production, quality first and civilized construction. In order to ensure the quality of the project construction, the whole project started with the management and technology of the project legal person, and formulated strong guarantee measures, which were put into practice in the actual project construction.

A. Is the person in charge of quality and quality inspection and the full-time quality of the project clear? Three inspections? System, shift, quality inspector classes mount guard, find problems in time and correct them in time.

B. Implement the total quality management system, establish and improve the quality assurance system, carry out the whole process system quality management according to the total quality management method, and promote and strengthen the quality management by economic means.

C before construction, technical management personnel shall make detailed technical disclosure for each construction process. In the process of construction, the technical quality inspection department of the project department conducts whole-process follow-up inspection and on-site inspection, strictly controls the construction quality of each working procedure, timely corrects the problems found in the inspection during construction, and eliminates the existence of hidden dangers in engineering quality.

D each team shall specify the design drawings and engineering quality requirements, and the construction of the next working procedure can only be started after each working procedure is accepted by relevant personnel. Concealed works shall be submitted to the supervision engineer and Party A's personnel for acceptance in time, and relevant visa work shall be done well.

F. Strictly control the procurement of engineering materials, not only the manufacturer should provide the product quality certificate (ex-factory certificate), but also send samples for inspection according to regulations, and only after being approved by the supervisor can they be used in the site.

G. strictly control the water-cement ratio of concrete. Before concrete mixing, all materials will be metered into the hopper according to the mixture ratio, and the mixing water will be properly adjusted according to the water content of sand and gravel on site, and the mixing water will be strictly controlled.

3. Engineering test.

The tests involved in this project mainly include gravel sand filling test, deflection test, cement stabilized gravel layer sand test, unconfined compressive strength and deflection test, earthwork subgrade deflection test, sewage pipe closed water test, etc. This project has been tested by Dehua County Construction Engineering Quality Supervision Station and Fujian Construction Engineering Quality Testing Center Co., Ltd.

A. raw material testing:

All materials in this project have factory certificates and inspection reports, and the site shall be sampled and submitted for inspection according to the batch of witnesses. Details are as follows:

1, steel bars: the steel bars produced by Fujian Sangang (Group) Co., Ltd. shall be accepted by Party A's representative after each batch of entry, and shall be sampled and witnessed, sent for inspection and put into use only after they are qualified. * * * Eight groups were sampled and tested, and the qualified rate was 100%.

2. Cement: The cement used is produced by Fujian Fu Jian Cement Co., Ltd., Quanzhou Meiling Cement Co., Ltd. and Yong 'an Wannian Cement Co., Ltd., and each batch is checked and accepted by the representative of Party A, and then put into use. * * * 25 groups were sampled and the qualified rate was 100%.

3, sand, gravel comes into play by the supervision unit on-site acceptance, quality meets the design requirements, and sampling inspection in accordance with the provisions. * * * 36 groups were sampled, and the qualified rate was 100%.

4. Metal bellows JBG-50B and JBG-55B produced by Xiamen Guoqiao Machinery Co., Ltd. are used in the sewage project. When entering the site, it shall be accepted by the supervision company, and it can be used in this project only after passing the sampling inspection. * * * The qualified rate of two groups was 100%.

5. The power engineering pipe is produced by Fujian Quanzhou Dari Plastic Co., Ltd.? 63? This project adopts 3.0(mm) CPVC buried high-voltage power cable protective sleeve, which is accepted by the supervision unit on site when entering the site and sampled for inspection. * * * Sampling inspection 1 group, and the qualified rate is 100%.

6. The street lamp engineering cable adopts YJV 5 produced by Fujian Nanping South Line Cable Co., Ltd.? 50mm？ 、YJV 5？ 16mm？ Specification of copper-core cross-linked power cable, comes into play by the supervision unit on-site acceptance, and on-site witness sampling inspection qualified rear can be used in this project. * * * The qualified rate of two groups was 100%.

7. The lamppost of street lamp project adopts 12m high and low arm street lamp, 15m six-fire-pole lamp and 15m two-fire-pole lamp produced by Fujian Xinxing Street Lamp Power Steel Pole Co., Ltd., which shall be accepted by the supervision company on site when entering the site, and can only be used in this project after passing the on-site sampling inspection. * * * Three groups of sampling tests, the qualified rate is 100%.

8. The high-pressure sodium lamps produced by Shanghai Century Lighting Co., Ltd. are used in the street lamp project, with specifications of NG 150, NG250 and NG400. When entering the site, it shall be accepted by the supervision unit on site, and can be used in this project only after the on-site sampling inspection is qualified. * * * Three groups of sampling tests, the qualified rate is 100%.

B. Building testing

Density detection:

45 groups of sand cushion compactness and backfill sand compactness at the top of the cavity were sampled and tested, and the qualified rate was 100%.

Strength test of concrete and mortar test blocks;

There are 57 groups of concrete test blocks with flexural strength of 5MPa, and the statistical evaluation of test block strength meets the requirements; There are 8 groups of C20 concrete test blocks at the bottom of the rainwater well, and the statistical evaluation of the strength of the test blocks meets the requirements; There are four groups of C20 concrete test blocks at the bottom of the sewage well, and the statistical evaluation of the strength of the test blocks meets the requirements; Culvert cover plate and C35 concrete test block ***3 groups, and the statistical evaluation of test block strength meets the requirements; There are 3 groups of culvert cap and C30 concrete test block * * *, and the strength of the test block meets the requirements by statistical evaluation; Pavement cushion, C20 concrete test block *** 12 groups, and the statistical evaluation of test block strength meets the requirements; Rainwater pipeline foundation, C20 concrete block ***6 groups, the statistical evaluation of block strength meets the requirements; Street lamp foundation, C20 concrete block ***6 groups, and the statistical evaluation of block strength meets the requirements; Drain cover plate, C30 concrete test block ***2 groups, and the statistical evaluation of test block strength meets the requirements; Box-type variable pressure foundation, C20 concrete test block ***3 groups, and the statistical evaluation of test block strength meets the requirements; There are 3 groups of reinforced concrete and C20 concrete test blocks at the base of the street lamp manhole cover, and the statistical evaluation of the strength of the test blocks meets the requirements; Street lamp handhole well foundation, C25 concrete block ***4 groups, and the block strength statistical evaluation meets the requirements; The street lamp cable is encapsulated by plastic protective tube, and there are 6 groups of C 15 concrete test blocks * * *, and the statistical evaluation of the strength of the test blocks meets the requirements; Mark foundation, C25 concrete block ***4 groups, and the statistical evaluation of block strength meets the requirements; There are 6 groups of M7.5 mortar test blocks for sidewalk pavement, and the statistical evaluation of test block strength meets the requirements; Kerbstone installation M7.5 mortar test block ***5 groups, test block strength statistical evaluation meets the requirements; Rainwater well *** 12 groups of M7.5 mortar test blocks, and the statistical evaluation of test block strength meets the requirements; There are 6 groups of M7.5 mortar in sewage well, and the statistical evaluation of block strength meets the requirements; There are 6 groups of M7.5 mortar in the upstream of the cone slope, and the statistical evaluation of the strength of the test block meets the requirements; Drainage ditch, 7 groups of M7.5 mortar, and the strength of statistical evaluation test block meets the requirements; There are 6 groups of M7.5 mortar for culvert foundation, and the statistical evaluation of test block strength meets the requirements; Culvert wall, M7.5 mortar 15 group, and the statistical evaluation of test block strength meets the requirements; Retaining wall, 36 groups of M7.5 mortar, and the strength of statistical evaluation test block meets the requirements; Foot protection, M7.5 mortar 2 groups, and the statistical evaluation of the strength of the test block meets the requirements; Anti-collision pier plastering, M 10 mortar 2 groups, and statistical evaluation of the strength of the test block meets the requirements; 2 groups of anti-collision pier and M7.5 mortar, and the statistical evaluation of block strength meets the requirements; Fill the side ditch, M7.5 mortar 17 group, and the statistical evaluation of the strength of the test block meets the requirements; There are 4 groups of handholes for street lamps and M5 mortar, and the statistical evaluation of the strength of test blocks meets the requirements.

Use functional testing

Road engineering: Fujian Construction Engineering Quality Inspection Center Co., Ltd. has carried out subgrade deflection detection, gap-filling macadam sand filling test, cement stabilized macadam layer deflection detection, unconfined compression, deflection detection and sand filling test, all of which meet the design requirements.

Drainage engineering: sewage pipe closed water test * * * 6 times, rainwater pipe closed water test * * * 9 times, all meet the design requirements. Third, the quality accident and its treatment

In the specific construction process, this project is based on? Safety in production, quality first? Principle, the good quality, according to the division of labor and classification of disclosure, scientific and reasonable organization of all work, to ensure that the construction process conforms to the relevant technical standards, acceptance specifications and quality evaluation standards, the project from the approach to completion without quality accidents. Fourth, the project quality acceptance

According to the requirements of Code for Construction and Quality Acceptance of Urban Road Engineering (CJJ 1-2008), the road engineering of this project is divided into 54 sub-projects.

Verb (abbreviation of verb) quality self-evaluation

After the completion of the project, the project department shall organize relevant personnel to carry out engineering quality inspection to confirm that the project conforms to relevant laws, regulations and mandatory standards for engineering construction, and meets the requirements of design documents and contracts. According to the relevant specifications, the engineering appearance, quality assurance data and measurement items are inspected and self-evaluated, and judged as qualified.

Construction summary of intransitive verbs

The strong support and active cooperation of local government, construction unit, quality supervision station, geological survey and research institute, design unit, supervision unit and other relevant departments is the key to complete the project; The supervision actively cooperates, follows up the work and timely accepts the concealed works, which is the premise of speeding up the project progress; Familiarity with design documents and drawings, understanding design intent, making a good construction plan and understanding the engineering situation are the main guarantees to ensure the quality and safety of the project; Safe production is an important condition for smooth construction.

Our unit thanks all relevant departments for their strict technical guidance on construction quality and great help on the progress of the project during the construction process, so that the project can be successfully completed with good quality and quantity!

The construction unit is applying to organize relevant departments to carry out the project completion acceptance.

Fujian province rongqi construction engineering co., ltd

20xx year x month x day

Road engineering acceptance report Part III:

I. Overview of the Project

(1) Basic information

The starting point of xxxxxxxxxxxxxx intersects with the old asphalt road, the starting pile number is K00+000, and the ending point is K1+11,which is located in xx town and connected with the existing cement road, with a total mileage of xxxxx kilometers. . The highway grade is Grade IV, the subgrade width is 5.5m, and the full-width cement concrete pavement is adopted.

(2), the basic structure and quantity of major projects

1. Basic structural form

This project is to transform the old road into a fourth-class highway. Calculated driving speed is 60 km/h, subgrade width is 5.5 meters, and full-width cement concrete pavement is adopted.

2. Subgrade superelevation mode

Subgrade superelevation rotates around the edge of subgrade centerline. The cross slope of pavement is 1.5%.

(2) Number of major projects

Road engineering construction mainly includes subgrade engineering, pavement engineering, culvert engineering and safety facilities engineering, with a total investment of 99.999 billion yuan.

1, subgrade engineering

Subgrade excavation: 33 1 13m3.

Subgrade excavation: 16355m3

M7.5 Mortar rubble side ditch: 1 1367m

2, pavement engineering

10cm thick interstitial macadam subbase:/kloc-0 123329.32m2

15cm average thickness of interstitial macadam subbase: 5531.54m2.

13cm5% cement stabilized macadam base thickness:/kloc-0 128380.87m2

Cement stabilized macadam base with an average thickness of 8cm:/kloc-0 109304.95m2

20cm thick cement concrete pavement: 253575.27m2

3, culvert engineering

Culverts: 3 flat culverts.

4. Safety facilities and embedded pipelines

Concrete guardrail:1930m

Single cantilever traffic sign: 128.

Convex mirror: 48

Second, the organizational structure

1, management institution settings

The construction organization of this project is established according to the principle of project management. XXXXX engineering project department? Organize the construction according to the project method. Implement the project manager responsibility system, fully represent our company to perform relevant rights and obligations according to the contract requirements, and meet the requirements of the owner.

The project department is composed of engineers with similar construction experience, including project manager 1, project payment manager 1 and project technical director 1. The project department consists of construction technology room, quality inspection safety room, material machinery supply room, financial planning room, site laboratory and comprehensive office. According to the actual situation of the project and the requirements of the construction period, three professional teams are invested: subgrade team, pavement team and structural team.

2, the main personnel, equipment investment

The general principle of personnel and equipment entering the site is to enter the site in stages according to the actual needs of the project construction progress and the requirements of supervision, and make adjustments at any time according to the actual situation. Personnel and equipment entering the site will be put into construction immediately.

According to the contract documents and the needs of the phase project, the main personnel are: project manager 1, deputy project manager 1 (concurrently office engineer), chief project engineer 1, subgrade and pavement engineer 1, quality inspection engineer 1, survey engineer 1, and test and detection engineer. Main equipment input: 3 excavators, 2 loaders, 2 1 8t road rollers, 215t transport vehicles, 2 generator sets,1transformer, 1 JS350 mixing station, 1 JS500 mixing station. There are sprinklers 1 set, 2 sets of steel reinforcement and woodworking equipment, Japanese Pentax T-602(J2) total station 1 set, Tianjin Sen DSC232 level 1 set, and the testing equipment is the instrument of Ningde Quality Inspection Station.

Three. quality management

(a), quality assurance system, quality management and quality self-inspection organization

1, establish a quality assurance system

2. Quality management organization: The quality management organization is led by the project manager, and the quality management leading group consists of the person in charge of project quality inspection, the chief engineer of the project, the heads of various departments of the project management department, the captains of various construction teams, quality inspectors and relevant business personnel of the project management department. Form a quality management organization system with internal and external relations and vertical and horizontal positioning.

3. Quality self-inspection organization: The quality self-inspection organization consists of the person in charge of quality inspection of the project management department and the person in charge of the safety and quality department and the measurement laboratory. The person in charge of quality inspection shall be directly appointed by the legal representative, be fully responsible for quality inspection and supervision, be directly responsible to the legal representative in quality control, and have a veto power in quality management.

4. Quality objective: to ensure that the project quality is excellent.

(2) Strengthen the awareness of all employees to create quality products.

Implement? A century-old plan, quality first? Policy, to all workers involved in the construction of regular publicity and education, firmly establish? Quality is the life of an enterprise? Strengthen the concept of creating quality consciousness, with high starting point, high standard, high level and high speed? Four heights? Leading thinking and precise organization, meticulous management, meticulous work and exquisite craftsmanship? Four essence? Measures should be taken to organize the construction to achieve excellent results and inspection.

(3) Strengthen construction technical guidance and monitoring.

Equipped with enough professional engineers, technicians, testing and quality control personnel to set posts and responsibilities. Conscientiously do a good job of self-examination and joint examination of design drawings, prepare the construction technical scheme of various disciplines and subdivisional works, and make technical disclosure step by step. In strict accordance with the design drawings, relevant technical specifications and operating procedures for construction. Technicians go deep into the site and are carefully guided, tested and accurately inspected by quality control personnel, and strictly controlled. Strengthen the quality control of working procedure, type of work and process, set up quality management points in key projects and carry out QC group activities. Implement the quality reward and punishment policy. Excellent product pricing, poor quality and heavy punishment? . Cooperate closely with construction, design and supervision units, and respect and obey their supervision and monitoring. Four in one? Join hands to create Excellence.

(4), the implementation of various rules and regulations

Combined with the engineering practice of this standard, organize all the workers to learn the relevant design drawings, construction specifications and operating procedures, so as to define the standard for all staff, have rules to follow in all directions, and take measures in the whole process. Strictly implement the quality price system, safety and quality accident punishment system, quality veto system, standard laboratory system, important post approval system and other regulations. Implement commencement (completion) report, concealed engineering visa, design change, quality inspection and evaluation procedures and rewards and punishments, engineering inspection quality visa, measurement and valuation, hand retest, material re-inspection, quality accident report, on-site inspection of construction machinery and personnel, process self-inspection, mutual inspection and handover inspection? Three inspection system? Team initial inspection, construction team re-inspection, project department final inspection? Three inspection system? And other systems.

(5), the implementation of standardized construction work, model the way.

Seriously implement the quality management and quality assurance standards that our company has passed ISO900 1 certification, formulate quality monitoring measures for working procedures and processes, and implement standardized construction methods. Adhere to the model to guide the way, strive for each project to make a model first, and then start construction after the supervision engineer confirms that the construction technology is up to standard and the quality is qualified. Organize on-site observation and study activities to promote the improvement of construction technology and technical level.

(6) Strictly control the quality of materials.

Strictly implement the regulations that the manufacturer of main materials that Party A requires the construction unit to purchase must be approved by the owner and supervision engineer, and all materials must have a warranty. When entering the site, you must provide the factory certificate or product technical appraisal certificate, strictly check the materials, specifications and appearance, and conduct the second interview inspection according to the regulations. It can only be used after the supervision engineer confirms that it meets the standards, and the use of counterfeit and shoddy products is prohibited.

(seven), strengthen the measurement work, improve the detection means.

The laboratory of the project department is equipped with all kinds of test equipment and measuring instruments and full-time measuring and testing personnel, equipped with advanced testing instruments, and strictly implements the verification procedures of measuring equipment and instruments to ensure accurate values. Testers go deep into the construction site to carry out metrological testing to ensure the authenticity and accuracy of the test data, and regularly repair, maintain, check and calibrate various metrological testing instruments.

Improve the field survey management system, adhere to the listing construction, and control the survey. Every process that needs to be measured must be equipped with measuring instruments that meet the accuracy requirements and calibrated by the measurement and testing department. The concrete mixing station adopts electronic automatic metering and batching equipment, which is measured in strict accordance with the construction mixture ratio.

(8), quality management evaluation

After a series of engineering quality management measures, the quality self-inspection evaluation score of the construction project (contract section) is 86.4, and the quality grade is qualified. Details are as follows:

The highway works in this contract section are divided into two units, and the quality self-evaluation results are as follows:

1, subgrade unit project evaluation is 87.8 points: it belongs to 1 sub-project (subgrade earthwork evaluation is 87.8 points).