LARE Section 1 cheat sheet

LARE Section 1: Project and Construction Management

• Critical path method (CPM): the longest path through the network; zero total float on critical activities; any delay on the critical path delays project completion by the same amount.

• Total float = LS − ES = LF − EF; free float = ES(successor) − EF(activity); float is not a time buffer to be spent without documenting schedule impact.

• Earned value formulas: CV = EV − AC; SV = EV − PV; CPI = EV/AC; SPI = EV/PV; EAC = BAC/CPI when current cost performance is expected to continue.

• Contract types: lump sum (firm fixed price) shifts quantity risk to contractor; unit price pays for measured quantities; cost-plus-a-fee leaves quantity and cost risk largely with owner; time and materials is used for undefined scope.

• Standard AIA contract family: B101 owner-architect agreement; A101 owner-contractor stipulated sum; A201 general conditions; Aia G702/G703 application for payment; retainage is a percentage withheld until acceptance.

• Change order vs. construction change directive (CCD): a change order is signed by owner and contractor and adjusts price/time; a CCD directs work before price agreement and is later incorporated into a change order.

• Pay request review: AIA G702 certifies the amount due; G703 continuation sheet lists scheduled values, work completed, stored materials, and retainage; architect certifies based on site observation, not exhaustive audit.

• Lien waiver types: conditional waiver on progress payment, unconditional waiver on progress payment, conditional waiver on final payment, unconditional waiver on final payment; unconditional waivers take effect on signing regardless of payment.

• Punch list and substantial completion: substantial completion triggers owner use, warranty start, and release of retainage (less punch-list holdback); final completion follows correction of punch-list items and closeout documents.