13 2026 02 12 Crestmont CC Stormwater O and M Manual

TABLE OF CONTENTS 1.0 INTRODUCTION ................................................................................................................. 1 2.0 PROJECT DESCRIPTION .................................................................................................... 1 3.0 STORMWATER MAINTENANCE OBJECTIVE ................................................................... 2 4.0 CONSTRUCTED STORMWATER MANAGEMENT SYSTEM ELEMENTS ........................ 3 4.1 STORMWATER MANAGEMENT BMPS .................................................................................. 3 4.1.1 Small-Scale Bioretention Basins ................................................................................ 3 4.1.2 Porous Pavement Systems ....................................................................................... 4 4.2 STORMWATER CONVEYANCE NETWORK .............................................................................. 4 4.2.1 Storm Sewer Conveyance Piping .............................................................................. 4 4.2.2 Precast Concrete Structures...................................................................................... 4 5.0 INSPECTION AND MAINTENANCE PROCEDURES .......................................................... 5 5.1 PREVENTATIVE MAINTENANCE MEASURES .......................................................................... 5 5.1.1 Conveyance Networks .............................................................................................. 5 5.1.2 Small-Scale Bioretention Basins ................................................................................ 6 5.1.3 Porous Pavement Systems ....................................................................................... 7 5.2 CORRECTIVE MAINTENANCE MEASURES.............................................................................. 7 6.0 ESTIMATED COST FOR MAINTENANCE PROCEDURES ................................................. 8 i