PjM - contract documents

addendum

change after the construction documents have gone to bid but before the bids come in

change order

change after the contract is signed, notorious source of conflict and cost-overruns

construction change directive

owner and contractor at a disagreement about who pays for something that needs to get done to keep the project moving

architect issues a construction change directive and contractor must do it (while they continue to fight who pays for it)

rarely used but a big part of the contract

submittals

product data sheets, ship drawings, product samples that the contractor will submit to the architect for approval

architect is responsible for confirming that the railing shop drawings have accurate dimension lines