4　Construction Quality Acceptance

4.1　Requirements in Construction Quality Acceptance

4.1.1　The inspection，acceptance and certification for the installation engineering construction quality of steam turbine unit in the thermal power project shall be conducted according to the requirements of this Part.

4.1.2　For the inspection and acceptance for the project construction quality，the construction contractor shall prepare the quality acceptance scope division table on the base of the works scope according to the requirements of Chapter 4 in this Part；the supervisor shall conduct the examination and the parties of construction，supervision and owner jointly sign and seal for approval after the owner make a confirmation.For the engineering projects with engineering general contract or construction project management（mode），the construction contractor may，according to the actual situation，add acceptance organizations in column"acceptance organization"in the construction quality acceptance scope division table；if the design institute and the equipment supplier in column"acceptance organization"participate in the quality acceptance，the owner may make proper adjustment according to the actual situation.

4.1.3　The part of the inspection items in"Construction Quality Acceptance Scope Division Table"in Chapter 4，if inconsistent with the ones in the actual project，may be added or canceled.The items added or canceled may be numbered or not in the project numbering in the construction quality acceptance scope，but the original number shall not be altered.

4.1.4　The project construction quality shall be inspected by the acceptance organization specified in"Construction Quality Acceptance Scope Division Table".The acceptance for inspection batch，subitem and subsection，the supervisor shall，if participating in，shall organize them，and the organizations concerned shall participate；the owner shall organize the acceptance for unit project，and the organizations concerned shall participate；the design institute and the supplier shall participate in the acceptance of the related items according to the requirements of"Construction Quality Acceptance Scope Division Table".The quality acceptance personnel shall hold the qualification certificate consistent with his/her acceptance profession，and the qualification certificate shall be within the validity period.The acceptance authority of the personnel involved in the quality acceptance for unit project，subsection project，subitem project and inspection batch shall be determined by the organizations concerned under the organization of the owner.

4.1.5　In the project quality inspection and acceptance，the quality inspection personnel at all levels shall strictly comply with the requirements of this part as well as the relevant current national standard，professional standard，contract terms，design document and manufacturing technical document，and they shall be responsible for the acceptance results.

4.1.6　The quality acceptance must be conducted after the construction project is completed.The construction contractor shall apply the quality acceptance to the project's supervisor and owner upon the construction contractor has completed self-checking and prepared complete self-checking records.

4.1.7　The construction contractor shall notify the supervisor and the organizations concerned to witness acceptance before being concealed，and complete the inspection acceptance record and the certification.

4.1.8　The appearance quality of unit projects shall be inspected by the quality inspection personnel with visual observation，feeling or necessary measurement，and confirmed and singed according to the overall condition of the inspected project.

4.1.9　The inspection and acceptance of project construction quality shall comply with the requirements in Chapter 4 of this Part and be conducted by inspection batch，subitem project，subsection project and unit project；where a subsystem is constructed by multiple construction contractors by sections，subunit project may be set up.The subunit number is the original unit number affixed with English letters for distinguishing.

4.1.10　The project construction quality acceptance shall meet the following requirements:

The acceptance for subitem project shall be conducted only upon the acceptance for inspection batches is qualified；the acceptance for subsection project shall be conducted only upon the acceptance for subitem projects is qualified；the acceptance for unit project shall be conducted only upon the acceptance for subsection projects is qualified.

4.1.11　The"qualified"construction quality acceptance for inspection batch，subitem project，subsection project and unit project shall meet the following requirements:

1　The complete inspection is conducted for the inspection items according to the requirements on inspection batches and subitem projects，and the inspection results meet the quality criteria；the quality acceptance for this batch or subitem project is qualified.

2　The acceptance for the batches contained in a subitem project is qualified and the data for the subitem project is complete；the quality acceptance for this subitem project is qualified.

3　The acceptance for the subitem projects contained in a subsection project is qualified and the data for the subsection project is complete；the quality acceptance for this subsection project is qualified.

4　The quality acceptance for the subsection projects contained in a unit project is qualified and the data for the unit porject is complete and meets the archives management requirements；the quality acceptance for this unit project is qualified.

4.1.12　The nonconformity of construction quality，if existing，shall be registered for record and treated according to the following requirements:

1　The inspection items for reworked ones，or replaced instrument or equipment，shall be conducted again.

2　The inspection items replaced，which satisfy the functional requirements of safe handling，may be inspected according to the technical scheme and the agreement.

3　Unqualified inspection item，which cannot be replaced or reworked，shall be identified by the certifying agency or the organizations concerned；the inspection items without effects on inner quality，service life，use function and safe operation may be concessional.The concessional items may not be inspected again，but they shall be indicted in column"acceptance conclusion"，and the written report shall be attached following the acceptance table.

4.1.13　The construction quality of inspection batch and subitem project under one of the following conditions shall not be inspected:

1　The inspection results of its dominant inspection items cannot meet the quality criteria.

2　The designer or the supplier has data requirement in quality criteria and the measured data are not filled in the inspection result columns.

3　The quality acceptance documents do not conform to the archives management regulations.

4.1.14　The quality problems caused by design or equipment manufacturing shall be solved by the design institute or equipment supplier.When the onsite processing entrusted to the construction contractor can not make individual dominant items meet the standard requirements completely，the concessional treatment may be applied upon the certification in writing made the owner jointly with the design institute，supplier，supervisor and construction contractor.The project（item）with concessional treatment may not be inspected again，but it shall be indicated in column"acceptance conclusion"，and the written report hereof shall be attached following the acceptance table.

4.1.15　The quality acceptance documents for inspection batch，subitem project，subsection project and unit project shall be of accurate data，complete document collection，and complete signature procedure；and the material and handwriting for document preparation shall meet the requirements of"durability"and the archives management specifications.