BOLT
A. Bolt shall be driven carefully so as not to damage screws.
B. Surface of joint shall be smooth and bearing areas shall be fully attached before driving bolt.
C. All bolts shall be securely tightened by wrenches of suitable sizes.
D. Bolts shall be so driven that at least last 3 screws emerge. These last screws shall then be hammered
to protect looseness of the nuts used on bolts.