Most effective Mobile Presence & Task monitoring AI solution solving the patent problem of exceeding project costs of large construction by up to 20% , using proprietary system of task & presence monitoring and wireless environmental sensors, providing realtime logistic & planning information to (sub)-contractors, supervisors and management to monitor actual task execution, location of materials & equipment and realtime presence of personnel, enabling up to 50% faster build time and 20% lower project cost , simultaneously solving the challenges of global scarcity of skilled labor, substituting scarce materials & employee safety tracking, to better manage operational cost and profitability.