Look-Ahead Schedule

A tower project shows "install facade" in its master schedule, and a look-ahead plan identifies panels, crews, access equipment, permits and prerequisite work for the next few weeks, giving people time to clear blockers before the crew arrives. The Lean Construction Institute's Last Planner materials describe look-ahead planning as making work ready by identifying and removing constraints, and its standard work gives a six-week example and notes that windows vary.

The plan should serve the project's actual lead times, so three to six weeks may suit many activities while long-lead equipment may need earlier tracking. Link short-term tasks to milestones, since a look-ahead that contradicts the master schedule needs explanation, and break work down because "complete floor" is too broad for crew allocation.

Define area, activity, responsible trade and expected duration. Check prerequisites such as drawings, approvals, preceding trade work and site access, which may need to be complete before starting.

List material needs, coordinating quantity, delivery date, inspection and storage, because a purchase order is not proof of on-site availability. Plan labour and equipment too: a name in a schedule does not guarantee an employee can work that day, and cranes, lifts and temporary power can be shared bottlenecks that must be reserved at the correct time.

Identify constraints visibly by assigning an owner and due date to each blocker, since a list without responsibility rarely helps. Make work ready by clearing design questions, permits and delivery uncertainty before placing a task in the firm weekly commitment, and coordinate trades because one contractor's activity may block another.

Reflect site reality, as weather, inspections and actual progress can change the next week's work, and distinguish planned from promised: a six-week forecast includes tentative work, while a weekly work plan may represent a more definite commitment once constraints clear. Use percent plan complete carefully, because it measures tasks completed as promised, not overall project progress or quality, so define what counts as complete.

Investigate misses with a blame-free root-cause review, since late design, poor sequencing and unexpected ground conditions call for different responses, and compare weekly commitments because repeated non-completion can indicate unrealistic planning or systemic constraints. Avoid hiding defects: a task is not finished if required checks or quality acceptance remain open, so agree completion criteria before counting it and define inspection and sign-off points so a trade's completion gives the next crew a usable work area.

Watch long leads on a separate early-warning list, since procurement of specialist equipment may need months, and track decisions so that meeting notes and revised dates show what changed and who agreed. Consider safety, because work fronts need permits and safe access and compressing a schedule must not bypass controls, and maintain buffers sensibly, since a plan with every crew allocated at full capacity may be brittle.

Communicate with owners about upcoming milestones, unresolved constraints and likely schedule effects without requiring them to inspect every task row, use visual tools if helpful while remembering that data accuracy matters more than format, and keep delay claims separate, because a look-ahead record can supply evidence but contractual extension-of-time entitlement requires the contract process and facts. For owners, a look-ahead schedule reveals whether next month's work is truly ready and turns a distant milestone into timely decisions on materials, access and approvals.