J_2024 05 09_West Orange Stormwater Management Plan

Aqua-Filter™ Inspection and Maintenance Manual for BMP Owners (Note: Attach certifications for local regulatory authority Including any applicable fees.) ' fe apdOyyperInfpiTipaUpp^^ Site Name: lllfSIlf flllill Change in ownership since last inspection' Owner Name: Owner Address: Owner Phone Number Emergency Phone Number Location: Date: Time: Inspector Name: Floatable Debris and Oil 1. Remove manhole lid to expose liquid surface of Aqua-Swirt™. 2. Remove floatable debris with basket or net If any present. 3. If oil Is present, measure its depth. Clean liquids from system if 1/2’ or more oil is present (see "Cleaning’ Figure 5). . « ' .• *• . • • rV ‘'• Note: Water in an Aqua-Swirt™ can appear black like oil due to the dark body of the surrounding structure. Oil appears darker than water In the system and Is usually accompanied by debris (e.g. Styrofoam, etc.) with obvious signs of oil stains. The depth of oil can be measured with an oil/water Interface probe, a stadia rod with water phylic paste, a collwasa, or by simply collecting a representative sample with a jar attached to a rod. Sediment Accumulation Make measurements as follows (see Figures 1 and 2): 1. Lower measuring device (i.e. stadia rod) into Aqua-Swirl™ throught service access provided. (See Figure 2) 2. Record distance to top fo sediment pile (in): 3. Record distance to top of water (in): 4. Calculate distance to sediment minus distance to water (in): 5. Schedule cleaning if value in step 4 is 30" or less. (See Figure 5). ‘VI ■h & •UsCci -it; fsM Figure 2 Figure 1 Aqua-Filter™ I and M Manual Page 1