10 1.0 1 range

1. This specification is applicable to the construction and management of new, expanded and rebuilt high-grade highway projects and other highway projects.

2. This specification carries out a series of control and inspection on raw materials, semi-finished products or finished products, concealed works, original construction materials and records used in engineering construction, so that the engineering quality can meet the specified quality standards. In the construction requirements of each chapter, requirements are put forward for quality standards, quality grades, inspection contents and methods. If there is no provision, it shall be implemented according to the current relevant provisions of the state and the Ministry of Communications and approved by the supervisor.

3. For convenience only, this specification is divided into several chapters and should be read as a whole.

4. Any details not specified in this specification or other specifications and drawings related to this specification, or when the details of any terms are not clearly specified, shall be regarded as the routine practice of highway engineering in China, and the consent of the supervision engineer is required.

10 1.02 definition

1. The engineering terms used in this specification adopt the words listed in standard documents such as Road Engineering Terminology Standard (GBJ 124-88), Highway Engineering Technical Standard (JTG B0 1-2003) and Highway Engineering Terminology (JTJ 002-87).

2. In addition to the definitions of words already specified in the contract terms, the following terms used in this specification have the following meanings:

Work or operation: refers to the provision of labor services (including management), materials, construction equipment and other items required for the construction and maintenance of this project (including permanent works and temporary works) which are reasonably promoted according to the contract.

Drawings: refers to the engineering drawings included in the contract and any supplementary and modified drawings provided by the Employer according to the contract, including auxiliary instructions.

Construction process diagram: the contractor is required to provide and submit the construction process diagram, construction process transformation diagram, stress diagram, assembly diagram, installation diagram, structural skeleton diagram or other supplementary drawings or similar materials approved by the supervisor.

3. The preparation of this specification is represented by chapters, sections, subsections, articles, paragraphs, items and item sequences. When they refer to each other in the terms of the specification, their expressions are as follows:

Chapters 300th and 400th ...

30 1, 302 ...

30 1.0 1, 30 1.02 ...

30 1.0 1- 1, 30 1.0 1-2 ...

30 1.0 1- 1 ( 1), 30 1.0 1- 1(2) ...

Item 301.01-1(1) a, item 301.01(1) b. ...

30 1.0 1- 1( 1)A(A)，30 1.0 1- 1( 1)A(b) ...

10 1.03 abbreviation

1. National standards, association standards and industry standards

In this specification, the following abbreviations are used to refer to the documents, standards and specifications issued by the state, engineering construction standardization association and the competent departments of engineering construction standards.

People's Republic of China (PRC) national standards GB, GB/T, GBJ

CECS and SHC standards of China Engineering Construction Standardization Association

JG, JG/T, JCJ, JGJ/ T, CJ, CJ/T, CJJ, CJJ/T * * * China construction industry standards.

JT, JT/T, JTJ, JTJ/T, JTG People's Republic of China (PRC) * * * and China Traffic Industry Standard (1)

TB, TB/T, People's Republic of China (PRC) TBJ railway industry standard.

People's Republic of China (PRC) DL, DL/T * * * and China Electric Power Industry Standards

Mercury, Mercury/ton, People's Republic of China (PRC) * * * and China Chemical Industry Standards

SL, SL/T People's Republic of China (PRC) * * and China Water Conservancy Industry Standard

People's Republic of China (PRC) metallurgical industry standard.

JCJ Industry Standard for Building Materials Industry in People's Republic of China (PRC)

YD, YD/T, YDJ * * * People's Republic of China (PRC) information industry industry standard.

2. Units of measurement and payment

Units of measurement and payment shall adopt the following abbreviations:

Meter (linear meter)

Millimeter ㎜

micron

square meter

Square mm 2 mm

cubic metre

Kg?

Ton ton

Cow (shield)

Niu Qian (ton) Qianniu

Terminology card

Kilopascals (term card)

Megapascals (term card)

Celsius degree

The fourth day

H hours

Minute minimum

second

10 1.04 standards and specifications

1. The materials, equipment and processes used in the project implementation shall meet the corresponding requirements of this specification and other standards and specifications cited in this specification.

2. In the whole process of project implementation, if the referenced standards or specifications are revised or newly promulgated, it shall be up to the Employer to decide whether to use the new standards or specifications, and the Contractor shall implement them according to the Employer's decision under the supervision of the supervisor. Employers should bear the increased costs of adopting new standards and codes.

3. For any part of the standards or specifications adopted in the project, when the contractor thinks that the adoption of other standards or specifications can ensure that the project can meet higher quality requirements, the contractor shall submit it to the supervisor for approval 42d ago. Otherwise, the contractor shall strictly implement this specification. However, such approval shall not relieve the Contractor of any responsibility stipulated in the contract terms.

4. When the meanings of several standards and specifications applicable to this project are unclear or inconsistent, the supervisor shall explain and correct these standards and specifications and give instructions to the contractor. Unless otherwise specified in this specification, if there are any differences between the cited standards or specifications, the following order shall prevail:

A. this specification.

B. National standards of People's Republic of China (PRC).

C. standards and specifications of relevant departments.

10 1.05 contractor's construction machinery

1. General requirements

(1) All construction machinery used in engineering construction must have complete models, complete with construction quality and progress, and their mechanical conditions should meet the engineering requirements and ensure the quality of work.

(2) The use and operation of construction machinery shall not damage, destroy or pollute subgrade, pavement, structures, adjacent public facilities, property or other highways.

(3) The construction equipment promised by the contractor must arrive at the site on time without delay, shortage or arbitrary replacement. The contractor has provided the above equipment as promised, but if the construction equipment used by the contractor cannot meet the contract schedule and/or quality requirements, the supervisor has the right to ask the contractor to supplement or replace the construction equipment. The Contractor shall make timely replenishment or replacement, and the additional expenses and/or delay in construction period shall be borne by the Contractor.

2. Construction machinery specified in the specification

(1) If the specification requires a certain operation to be completed by a certain construction machinery, it must be used unless the supervisor approves the use of other machinery.

(2) When the contractor requires the use of non-standard construction machinery, he shall submit a written application to the supervisor, and fully explain and explain the reasons for this change when replacing the construction machinery.

(3) The above written application must be approved by the supervisor before the construction machinery can be replaced and put into use. At the same time, the contractor cannot be exempted from any responsibility or obligation stipulated in the contract.

(4) If, after the test, the supervisor judges that the operation result cannot meet the specification requirements, the contractor shall stop using the replaced machinery, and continue to use the construction machinery required by the specification as instructed by the supervisor, and the expenses incurred shall be borne by the contractor.

(5) According to the implementation of the project, the contractor shall attach a detailed construction machinery list when submitting the schedule. The table shall include the model, energy size, power, origin, manufacturing date, quantity and date of entry into the construction site of all kinds of machinery, and shall be submitted to the supervisor for approval. The contractor shall, within the time approved by the supervisor, transport all the construction machinery and equipment listed in the list to the site. Without the written consent of the supervisor, the contractor shall not transport the construction machinery out of the site.

10 1.06 engineering quantity measurement

1. General requirements

(1) All engineering projects in this specification, except those specified individually, adopt legal units of measurement in China, namely international units and auxiliary units derived from the international system of units.

(2) The measurement and payment of this specification should be read together with the contract terms, bill of quantities and drawings, and the payment item number in the bill of quantities is consistent with the chapter number of this specification.

(3) The measurement of any project shall be carried out according to the provisions of this specification or the written instructions of the supervisor.

(4) The measurement and calculation methods for the quantity of materials provided under the contract and the quantity of completed projects shall comply with the provisions of this specification. All these methods shall be approved or instructed by the Supervisor. The contractor shall provide all metering equipment and conditions, and ensure the accuracy of its equipment meets the requirements.

(5) Unless otherwise permitted by the supervisor, all measurement work shall be measured and recorded by the contractor in the presence of the supervisor. The original survey record signed by the contractor shall be submitted to the supervisor for review and preservation.

(6) The quantities shall be calculated by the contractor and rechecked by the supervisor. A copy of the bill of quantities shall be submitted to the supervisor and kept by the supervisor.

(7) All necessary formwork, scaffolding, equipment, machines and tools, bolts, washers, steel parts and other materials shall be included in the relevant payment items listed in the Bill of Quantities, and shall not be measured separately.

(8) Unless otherwise approved by the supervisor, any area or volume exceeding that shown in the drawings shall not be measured and paid.

(9) The contractor shall strictly measure the basic work and material procurement inspection. Asphalt concrete, asphalt macadam, cement concrete and high-strength cement mortar on the construction site must be weighed by electronic measuring equipment. The contractor shall bear the cost of quality problems caused by non-compliance with measurement regulations.

(10) If any subdivisional works or subheads specified in this specification do not appear in the bill of quantities, they shall be regarded as ancillary works of other related projects and will not be measured separately.

2. Weight

(1) All materials measured or designed by weight shall be weighed by competent and qualified personnel on accurate and approved scales at places designated or approved by the supervision engineer.

(2) The following conditions should be met when weighing and measuring: the supervisor is present; Weighing record; Contains descriptions of the weight of packaging materials, supporting devices, gaskets, bales, etc. It shall be submitted to the supervisor as the basis before weighing.

(3) When measuring steel bar, steel plate or section steel, it shall be calculated according to the size and net length indicated in the drawings or other materials. Lap joints, connecting sleeves, welding materials, wastes and vertical reinforcing bars used for fixing and positioning shall not be measured. Reinforcement, steel plate or section steel shall be measured in kilograms, rounded to the nearest place, excluding decimals. The mismatch between material weight and quantity caused by the difference between theoretical unit weight and actual unit weight of steel bars, steel plates or section steels should not be considered in measurement.

(4) The weight of metal materials shall not include the weight of mortar, wedge, joint filling material, filler, oil, joint material, covered electrode and dressing. Need to be added or used in the building.

(5) The trucks loaded with materials measured by weight shall weigh the empty cars at the time and place designated by the supervisor every day, and each truck shall also be clearly marked.

(6) For articles with specified standards, such as steel bars, metal wires, steel plates, section steels and pipes. , with specified specifications, weight, section size and other indicators, such indicators should be regarded as normal weight or size. Unless the allowable deviation value in the specification is quoted for control, the allowable deviation displayed by the manufacturer can be used.

3. Area

Unless otherwise specified, when calculating the area, its length and width shall be measured according to the dimension line shown in the drawings or as instructed by the Engineer. Fixtures (such as inspection wells, etc.). ) The area below 1㎡ will not be deducted.

4. Structure

(1) The net dimension line of the structure shall be as shown in the drawings, or modified by dimension line measurement as instructed by the supervisor.

(2) The measurement of cement concrete shall be calculated according to the net size of the completed project approved by the supervisor. The volume of reinforcement shall not be deducted, and chamfering shall not be deducted when it is less than 0. 15m×0. 15m, holes and openings with a volume less than 0.03m3 shall not be deducted, and corner fillers with an area less than 0. 15m×0. 15m shall not be added.

(3) All structures (such as pipes and culverts, etc.). Unless otherwise specified in the drawings, the measurement in linear meters shall be carried out in the direction parallel to the base surface or the center of the structural foundation.

5. Earthworks

(1) earthwork volume can be calculated by the average cross-sectional area method, but when the error exceeds 5% compared with the calculation result of the prism formula, the supervisor can instruct the prism formula to be adopted.

(2) The measurement of different types of excavation and fill shall be limited to the boundaries shown in the drawings, and shall be indicated on the approved cross-sectional drawings.

(3) The earthwork used for filling shall be measured according to the elevation of the longitudinal section and the compacted subgrade surface. When quoting, the contractor shall consider the volume difference caused by excavation or transportation.

(4) The contractor shall, within 56d after nailing the pile at the site, submit the earthwork cross-sectional drawing of site design and retest together with the earthwork area and volume calculation table to the supervisor for approval. All cross-sectional drawings shall be marked with a title box, the size of which shall be specified by the Supervisor. Once the cross-sectional drawing is finally approved, the Contractor shall hand over the original drawing and three copies to the Engineer.

6. Transport vehicle volume

(1) Materials measured by volume shall be shipped by vehicles approved by the supervisor and measured at the delivery place.

(2) For vehicles used for volume transportation, the shape and size of the carriage should make its capacity easy to be accurately measured, and the accuracy should be guaranteed. Every car should be clearly marked. The quantity of materials transported by each vehicle shall be agreed in writing by the supervisor and the contractor in advance.

(3) All vehicles should be loaded to a horizontal volume height. When the vehicle arrives at the delivery place, the supervisor may require the goods to be leveled again, and the materials exceeding the quota will not be paid. Vehicles whose traffic volume can't reach the quota shall be rejected or accepted according to the reduction determined by the supervisor. According to the supervisor's instructions, the contractor shall randomly scrape a load of materials at the delivery place of the goods. If it is found that the materials transported by the truck are less than the scraped quantity, the measurement of all materials transported from the previous truck will be reduced to the current truck quantity at the same rate.

7. Conversion between weight and volume

(1) If required by the contractor and approved in writing by the supervisor, it has been stipulated that materials measured in cubic meters can be weighed and the weight can be converted into cubic meters.

(2) The conversion factor for converting weight measurement into volume measurement shall be determined by the supervisor, and the contractor's consent shall be obtained before using this measurement method.

8. Asphalt and cement

(1) Asphalt and cement shall be measured in kilograms (kg).

(2) When transporting asphalt materials by truck or other means of transport, the quantity of asphalt materials can be calculated according to the verified weight or volume, but the leakage or foam should be corrected.

(3) Cement can be measured in bags, but the standard of a bag should be 50kg. Bulk cement should be weighed and measured.

9. A complete set of structural units

If the specified unit of measurement is a complete structure or structural unit (actually, it is a project subtitle calculated by "total amount" or "lump sum fee"), the unit shall include all necessary equipment, accessories and accessories and related operations.

10. Standard product project

(1) If standard products (such as guardrails, steel wires, steel plates, rolled profiles, pipes, etc. ), such items are marked with standard specifications (unit weight, section size, etc.). ), such a mark can be used as a measurement standard.

(2) Unless the allowable error of the standard product is stricter than the allowable error required by the specification, the manufacturing allowable error determined by the manufacturer will not be recognized.

10 1.07 drawing

1. The values in the bill of quantities in the drawings provided by the owner are only for reference during construction, and do not represent the payment items, and cannot be used as the basis for measurement and payment.

2. During the construction, the contractor shall check the structural dimensions and elevations marked in the drawings. When errors are found, contact the supervisor immediately, and implement according to the size and elevation approved by the supervisor.

3. After winning the bid, the supervisor (the employer) can provide further details or supplementary drawings for reference when completing the construction process diagram. However, this does not exempt the contractor from any obligation to complete the construction process drawing and be responsible for the construction quality. The contractor shall propose a plan to use the drawings to the supervisor to ensure that the construction progress will not be delayed.

108.08 engineering change

Engineering changes during project implementation shall be implemented in accordance with the relevant provisions of Article 15 of the contract.

10 1.09 tax and insurance

1. The contractor shall pay relevant taxes and fees in accordance with People's Republic of China (PRC), national tax laws and local government regulations.

2. During the construction period and defect liability period, the contractor shall handle insurance according to the requirements of the contract terms, including all risks of construction projects and third-party liability insurance.

3. The contractor shall pay the work insurance premium for all personnel employed in the performance of the contract according to the terms of the contract, and insure the personal accident insurance and its construction equipment for all personnel employed by the site organization during the whole construction period, and the expenses shall be borne by the contractor.

10 1. 10 scope of each payment item.

1. The contractor shall receive and accept the remuneration stipulated in the terms of the contract as the full payment for all services (including service management), materials, construction machinery and other affairs required in the implementation of various engineering projects (whether temporary or permanent) and defect repair.

2. Unless otherwise specified, the unit price or total amount of each payment subtitle in the bill of quantities shall be regarded as the full remuneration for all operations of the subtitle. Including the provision of all labor services, materials and equipment, transportation, installation, construction, maintenance and dismantling of temporary works, responsibilities and obligations. , shall be deemed to have been included in the bill of quantities in the price of each item.

3. The cost of the subtitle not included in the bill of quantities shall be deemed to have been included in the unit price and rate of the related project subtitle, and will not be paid separately.

101.11measurement and payment

If the requirements of paragraph 10 1 are met, other items shall be measured and paid separately except that paragraph 10 1.09 shall be handled according to the following provisions.

1. size

(1) All risks and third-party liability insurance for construction projects handled by the contractor according to the terms of the contract shall be measured according to the total amount.

(2) All taxes and fees payable by the contractor (including business tax, urban maintenance and construction tax and education surcharge), industrial accident insurance premium, personal accident insurance fee and construction equipment insurance premium shall be shared by the contractor in the unit price and rate of related projects, and will not be measured separately.

pay

The insurance premiums for all risks of construction projects and third-party liability insurance stipulated in the contract terms will be paid after the supervisor's visa according to the policies of the insurance company. If the employer and the insurance company handle the above two insurances, it shall be deducted by the employer.

3. Payment subhead

The name of the breakdown subtitle is called the unit.

10 1- 1 insurance premium

-a provide the total amount of all risks of construction projects specified in the contract terms.

-b the total amount of third-party liability insurance provided according to the terms of the contract.

Section 102 Project Management

102.0438+0 general requirements