Blog

Insights, updates, and deep dives into AI-powered project scheduling, construction planning, and optimization techniques.

Resource leveling, a graph theory approach
Daniel ChernowitzLinkedIn
December 8, 2025

Resource leveling, a graph theory approach

An introduction to resource leveling in project scheduling using graph theory. Learn how the AIRL algorithm helps find optimal task orderings that satisfy resource constraints while minimizing project duration.

AIConstructionOptimizationResource Leveling
Challenge 3: Health and Safety
Felix HodsonLinkedIn
November 19, 2025

Challenge 3: Health and Safety

A scheduling challenge focused on health and safety constraints in motorway overpass renovation. Navigate complex H&S rules, resource-loaded LOEs, and optional hydrodem constraints to find the optimal schedule.

ChallengeSchedulingHealth & SafetyOptimization
CalendarsWithout fixWith fixAprMayJunJulAugSepOctNovDecWorking TimeC1C2C3Shadow CalendarC4C5ShadowC6C7Allows starting too shortly before the holidayA3aA3bOk if started long before the holidayA1A2Ok if started after the holidayMilestone allowed long before holidayA4A5M4M5Milestone allowed after holiday
Felix HodsonLinkedIn
November 13, 2025

Modelling un-interruptible activities

A practical guide to modelling activities that cannot be interrupted during shutdown periods, such as summer holidays. Learn how to use shadow calendars and milestones to enforce these constraints in P6 and other scheduling software.

PlanningSchedulingP6Constraints
Challenge 2: Adding Real-World Complexity
Felix HodsonLinkedIn
September 12, 2025

Challenge 2: Adding Real-World Complexity

A scheduling challenge that builds on our first competition, introducing overhead costs, benefits, resource mobilisation, and idle time. Plus our solution achieving £36M net value using AIRL optimization.

ChallengeSchedulingOptimizationResources
Challenge 1: Value-Based Scheduling
Felix HodsonLinkedIn
September 6, 2025

Challenge 1: Value-Based Scheduling

Our first scheduling competition: optimise a mining facility schedule by balancing duration, resource mobilisation, and activity acceleration. Plus our £107.5M solution using automated search.

ChallengeSchedulingOptimizationResources