RULES FOR SHOP DRAWINGS. 



891 



uinlt r, for example, it is not necessary to blacken or cross-hatch all the fillers and stiffencrs in the 

 bottom view. 



Holes for field connections shall always be blackened, and shall, as a rule, be shown in all 

 rlrv.it ions and sectional views. Rivet heads shall be shown only where necessary; for example, 

 at the ends of members, around field connections, when countersunk, flattened, etc. In detailing 

 members which adjoin or connect to others in the structure, part of the latter shall be shown in 



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