Edificio Quindio: Critical Path and Fast-Tracking

Owner just demanded 6-week-earlier delivery on a baselined 38-week construction CPM, while a Week-12 progress shock has eaten the float. Diagnose the schedule, absorb the variance, rank fast-tracking and crashing options by cost-per-week, and defend a go / counter-offer / decline recommendation that survives the owner CFO and the bank covenant.