4.11　Documentation for Quality Acceptance

4.11.1　In the quality acceptance after completion of turbine proper installation，the following construction technical records shall be submitted:

1　Foundation and embedded parts acceptance record.

2　Foundation settlement observation record.

3　Turbine foundation pad block or mortar block preparation record.

4　Casing and bearing pedestals soleplate leveling and alignment record.

5　Record for clearance between casing and bearing pedestals soleplate and casing and bearing pedestals.

6　Bearing pedestals and casing soleplate anchor bolts tightening record.

7　Bearing pedestals sliding part inspection record.

8　Thrust pad contact and thrust clearance inspection record.

9　Bearing pad cushion block and pad and journal contact inspection record.

10　Bearing pedestals split horizontal record.

11　Radial bearing and thrust bearing installation record.

12　Oil baffle clearance record.

13　Journal ellipticity and non-cylindricity record.

14　Rotor bending record.

15　Thrust collar ending run out record.

16　Coupling ending run out and radial run out record.

17　Coupling spigot dimension record.

18　Casing combination record.

19　Casing locating and alignment record.

20　Casing diaphragm cavity centering record.

21　Casing inner longitudinal and transversal pins installation record.

22　Inner cylinder support key installation record.

23　Inner cylinder split horizontality record.

24　Inner cylinder split clearance record.

25　Diaphragm expansion gap record.

26　Casing load distribution record.

27　Various flow passage clearance record.

28　Minimum axial flow passage clearance record.

29　Rotor locating dimensions and external reference marks.

30　Coupling gasket thickness record.

31　Steam seal clearance inspection record.

32　Casing split bolts tightening record.

33　Turbine rotor coupling centering record.

34　Rotor bolts and nuts weight balance record.

35　Concentricity record after coupling connection.

36　Rotor bolts and hole fitting clearance record.

37　Coupling bolts tightening record.

38　Sliding pin system clearance record.

39　Installation records for locating center beam between bearing pedestals and cylinder.

40　Push-pull bar installation record.

41　Turning gear clearance record.

42　Crossover cold drawing record.

43　Crossover bolt setting record.

4.11.2　In the quality acceptance after completion of turbine proper installation，the following concealing signatures shall be submitted:

1　Soleplate contact inspection signature.

2　Bearing pedestals oil filling test signature.

3　Bearing pedestals closing signature.

4　Casing appearance inspection signature.

5　Turbine rotor appearance inspection signature.

6　HP and IP nozzle chamber inspection and closing signature.

7　Inspection signature before turbine covering.

8　Signature for covering of steam turbine.

9　Signature for inspection before foundation secondary grouting.

10　Steam lead pipe and crossover installation inspection.

11　Equipment defect disposition signature.

4.11.3　In the quality acceptance after completion of turbine proper installation，the following inspection and testing reports shall be submitted:

1　Unit proper foundation settlement report.

2　Foundation secondary grouting concrete test block strength test report submitted by grouting contractor.

3　Alloy steel part spectrum re-check report.

4　Bearing Babbitt metal NDT report.

5　Hardness recheck and NDT reports for M32 and above high temperature fasteners and metallographic sample inspection report for 20Cr1Mo1VNbTiB material.