Preparedness Decision Tools | Rule of 3s, STOP & Duration Planner

Interactive decision support

Tools that turn broad preparedness into concrete categories.

Rule of 3s Builder

Prioritize oxygen, exposure, water, food, and long-duration systems.

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S.T.O.P. Planning Tool

Slow the decision process before buying, building, or entering a shelter plan.

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Shelter Duration Planner

Estimate categories for people, days, climate, medical complexity, and power dependency.

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Rule of 3s preparedness builder

Select priorities to build a readable preparedness path.

3 minutes: air and bleeding control Airway, oxygen, smoke, CO, severe bleeding, and immediate medical organization. 3 hours: shelter and exposure Cold, heat, wet clothing, wind, flood, storm exposure, and unsafe siting. 3 days: water Stored water, source water, purification, testing, hygiene, and pump failure. 3 weeks: food and nutrition Calories, protein, fats, micronutrients, rotation, preparation water, and morale. Long-duration: systems and morale Power, waste, communications, monitoring, medical, spare parts, maintenance, and operator fatigue.

Choose one or more priorities to show checklist and blueprint links.

S.T.O.P. planning tool

Slow down before buying, building, or activating a shelter plan.

Shelter duration planner

Estimate planning categories by people, days, shelter type, and dependency level.

This planner provides non-guaranteed planning categories and rough water/food discussion numbers. Use qualified professional review for real designs.

People Days Shelter type Main risk scenario Climate / environment Medical complexity Power dependency

Submit the planner to see water, food, air, waste, power, medical, communications, and supply category guidance.

Interactive tools for responsible shelter and supply planning.

Tools that turn broad preparedness into concrete categories.

Rule of 3s Builder

S.T.O.P. Planning Tool

Shelter Duration Planner

Select priorities to build a readable preparedness path.

Slow down before buying, building, or activating a shelter plan.

Estimate planning categories by people, days, shelter type, and dependency level.