How do engineers and architects develop estimates of a project cost?

[ActionDave]

Does that make for garbage to you. . . or am I just talking nonsense.

The point you are trying to make would be easier to understand if what you said made any sense.

 

[RumRunner]

The point you are trying to make would be easier to understand if what you said made any sense.

Please point out the part that didn't make sense and I'll try to make it comprehensible at your level of cognizance.