Generate a Lookahead Schedule Summary
Create a 3-4 week lookahead summary with key activities, resources needed, and potential blockers per week.
Editor: Owen HaggerLast updated
Overview
This workflow helps Planning Engineers quickly produce a structured short-term lookahead summary for weekly planning meetings. It breaks down the upcoming 3-4 weeks into key activities per week, identifies resource requirements, predecessor dependencies, and flags potential blockers or risks that could affect progress.
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Prompt
You are an experienced UK construction Planning Engineer. Create a short-term lookahead schedule summary based on the following: Project: [PROJECT NAME] Lookahead Period: [START DATE] to [END DATE, e.g., 3 or 4 weeks] Current Project Phase: [PHASE, e.g., Superstructure - Level 3 slab pour complete, Level 4 steelwork in progress] Activities Planned for the Lookahead Period: [LIST THE MAIN ACTIVITIES PLANNED, e.g.: - Level 4 steelwork erection (continuing) - Level 3 metal deck and stud welding - Level 2 internal blockwork commencing - Cladding installation Zones A-B - M&E first fix Level 1 - External drainage runs 4-7 - Tower crane dismantlement (weekend of Week 3)] Known Constraints / Issues: [LIST ANY KNOWN CONSTRAINTS, e.g.: - Cladding delivery delayed by 4 days, revised delivery 15th March - Tower crane oversail licence expires 28th March - Road closure permit required for crane dismantle] Structure the lookahead as: Week 1 ([DATE RANGE]): - Key activities (list each with location/zone) - Resources required (labour, plant, materials) - Predecessors that must complete - Potential blockers / risks Week 2 ([DATE RANGE]): - Key activities - Resources required - Predecessors that must complete - Potential blockers / risks Week 3 ([DATE RANGE]): - Key activities - Resources required - Predecessors that must complete - Potential blockers / risks [Week 4 if applicable] Followed by: - Summary of critical activities (anything on or near the critical path) - Key decisions required this period - Design information required this period (with required-by dates) - Material deliveries scheduled Keep it concise and action-focused. Use bullet points throughout. This should be a practical working document for site teams.
Typical result
~1hby hand~20mwith AI
A cautious typical estimate, including the time to gather the inputs and check the output. It varies with the job.
What it replaces: Turning the programme into a three-week lookahead by hand.
What you still check
- Dates match the current programme
- Resources and deliveries are confirmed
- Blockers have owners and actions
Use Case
Use when preparing for weekly progress meetings and you need a clear, structured short-term lookahead to communicate planned activities, resources, and risks to the site team.
When not to use it
Don't use it to replan the job. A lookahead breaks the current programme down into the next few weeks of work. If the master programme is out of date, or the job needs a recovery programme, sort that out first with the planner and the project manager. Otherwise you just give everyone a confident list of the wrong things.
It also can't confirm anything. The tool doesn't know whether the steel will turn up, whether the scaffold will be adapted in time or whether the gang is booked. That has to come from the site manager, the subcontractors and the suppliers.
Common mistakes
- Copying activities straight from the master programme without checking them against where the site actually is.
- Listing work without the things that let it start: design information, permits, inspections, access and the trade before.
- Leaving blockers without an owner and a date, so the same problem turns up at next week's meeting.
- Not asking subcontractors for their own short-term plans. Their lookaheads should feed yours.
- Overwriting last week's version. A dated lookahead that shows work held up by late information is useful evidence later.
Frequently asked questions
- What is a lookahead schedule in construction?
- A short-term plan, usually covering the next three or four weeks, that breaks the master programme into what each trade will do, where and with what resources. It's used in weekly progress meetings to spot clashes and blockers before they hold the job up.
- How far ahead should a lookahead go?
- Three or four weeks is common, with the first week in detail and the later weeks lighter. Design information and long-lead materials need a longer view, because they have to be chased or ordered well before the work starts. Pick a period your team will actually update every week.
- What's the difference between a lookahead and the master programme?
- The master programme covers the whole job, and under NEC4 the accepted programme plays a big part in assessing compensation events. A lookahead is a working tool for the site team. Updating the lookahead doesn't update the programme, so if the job is slipping, revise the programme through the proper route. Check your contract and take advice.
- Should a lookahead show delays?
- Yes. If an activity has moved, show it and say why. Flagging a blocker in the lookahead isn't the same as giving notice under the contract, so if it could affect completion or cost, make sure the right early warning or notice goes in on time. Check your contract and take advice.
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