detention-pond-designer

# Detention Pond Designer Skill ## Purpose The Detention Pond Designer Skill designs stormwater detention and retention facilities including storage volumes, outlet structures, and emergency spillways. ## Capabilities - Storage volume calculation - Outlet structure sizing - Stage-storage-discharge relationships - Multi-stage outlet design - Emergency spillway sizing - Sediment storage calculation - Water quality volume - Routing analysis ## Usage Guidelines ### When to Use - Designing detention basins - Sizing outlet structures - Meeting regulatory requirements - Evaluating water quality treatment ### Prerequisites - Inflow hydrographs available - Release rate requirements known - Site constraints identified - Regulatory criteria established ### Best Practices - Size for multiple storms - Include freeboard - Plan for maintenance access - Consider downstream impacts ## Process Integration This skill integrates with: - Stormwater Management Design ## Configuration ```yaml detention-pond-designer: design-types: - detention - retention - extended-detention outlets: - orifice - weir - riser - multi-stage routing: - modified-puls - storage-indication ``` ## Output Artifacts - Storage calculations - Outlet sizing - Stage-storage-discharge curves - Routing summaries