Drainage Principles
Essential concepts of foundation drainage.
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Water Movement
Surface and subsurface flow patterns. Impact of soil characteristics.
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Hydrostatic Pressure
Forces acting on foundation walls. Prevention of water accumulation.
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Collection Systems
French drains and collection methods. Proper sizing and layout.
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Discharge Planning
Safe water disposal methods. Consider environmental impact.
System Components
Drain Pipe
Material selection and sizing criteria.
Filter Media
Gravel gradation and geotextile use.
Waterproofing
Membrane types and protection boards.
Sump Systems
Pump selection and backup options.
Installation Methods
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Excavation
Proper depth and width requirements. Consider safety measures.
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Pipe Installation
Slope requirements and connection details. Ensure proper flow.
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Backfill Procedures
Material selection and compaction requirements. Prevent pipe damage.
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Surface Grading
Direct water away from foundation. Maintain proper slopes.
Maintenance Requirements
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Inspection Schedule
Regular system checks and cleaning. Monitor performance.
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Cleaning Methods
Pipe cleaning and debris removal. Maintain flow capacity.
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Repair Procedures
Address damage and blockages. Update system components.
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Documentation
Record maintenance activities and system modifications.