Calabasas-County_Final_As_Built_Catch_Basin_Inventory_.xlsx

This document is a final as-built catch basin inventory report for the City of Calabasas, prepared by G2 Construction, Inc. under LACDPW Flood Control District Permit #PCFL201502399. The inventory catalogs 573 retrofitted catch basins (ARS devices) installed across the city, including detailed specifications for each basin such as location coordinates, street addresses, device model numbers, dimensions, and ownership designation. The catch basins are distributed across multiple drainage areas and public rights-of-way throughout Calabasas, with devices ranging from ARS model types 1 through 6, and most installations owned by LACDPW (Los Angeles County Department of Public Works).

The report serves as the comprehensive record of installed catch basin infrastructure supporting the City of Calabasas' stormwater management system. Each entry contains critical maintenance and identification information including catch basin width (ranging from 3.0 to 28.3 feet), height (5.0 to 11.5 inches), design frequency ratings, drainage destination designations, and associated project drawing numbers. The inventory indicates that no existing catch basin protection systems (CPS) were installed on any of the recorded devices. This as-built documentation provides the baseline information necessary for the City's recently established as-needed catch basin maintenance contract, which will cover five years with options for up to two additional one-year extensions for debris removal, cleaning, inspections, and emergency response services to maintain proper stormwater drainage functionality.