What are the two documents necessary to prepare the cost loaded schedule? Name the different methods that jobsite genera

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What are the two documents necessary to prepare the cost loaded
schedule?
Name the different methods that jobsite general conditions are
factored into the cash flow projections and ultimately
invoiced.
Why should all team members wait until completion of
subcontractor buyouts to finalize the SOV?
Why are subcontractor lien releases requested by the client from
the GC?
What is the difference between COP, Contract change order, and
Claim?
Based on CSI 50 division, what is the division code for the
first change order?