NEC3 ECS Early Warning Toolkit
- Cover & Guidance — clause 16 explainer, EW vs CE comparison table, clause 16.3 Risk Reduction Meeting rules
- Set-Up Page — project details, both parties, defaults. Crucially has an "Active EW" selector that drives the Notice tab
- Early Warning Notice — formal printable notice, dynamically populated from the EW Register based on which EW is selected on Set-Up. Pulls title, date, category, description, cost/time impact, proposed mitigation
- Cover Letter — formal accompanying letter
- EW Register — 16-column master register with sample data covering 10 realistic EWs across categories (Design, Materials, Weather, Site Conditions, Statutory, Resource, H&S, Programme). Probability × Impact scoring (1-5 each), CE linkage column, status tracking. Conditional formatting: green/amber/red colour scale on score, and status colour-coded
- Risk Reduction Meeting — meeting log with attendees, decisions, action items, sign-off block. Sample meeting (RRM-001) with three decisions tracked
- Impact Estimator — cost + time impact build-up for an individual EW. Direct costs (labour, plant, materials, subcontractor standing) plus time-related preliminaries × days delay
- Risk Matrix — 5×5 heatmap auto-populated by probability × impact for open EWs. Green/amber/red zones with usage notes
- Dashboard — KPIs (total, open, closed, materialised, CE conversion rate), exposure (£ and days), category breakdown table with bar chart
