Generate a Lookahead Schedule Summary

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.