6.2　Inspection and Acceptance of Base

Ⅰ　Main Control Items

6.2.1　The tightening moment of bolt of base shall meet the requirements of technical document.

Ⅱ　General Items

6.2.2　The permissible variation of installation of base shall meet the specification of Table 6.2.2.

Table 6.2.2　Permissible variation of installation of base

Number of examination:All the items are examined.

Method of inspection:It shall conform to the relevant specifications of Table 6.2.2.

6.2.3　Measurement method drawing of base（Figure 6.2.3）.

Figure 6.2.3　Measurement method drawing of base

1-Precision leveling instrument，2-Water level gage，3-Chemical adhesive agent，4-Punching and expanding machine foundation，
A-Central line measurement，B-Relative degree of parallelization of base，C-Elevation measurement，D-Auxiliary central guide board，E-Center of punching and expanding machine