J_2024 05 09_West Orange Stormwater Management Plan

Aqua-Filter™ Installation Normal installation steps for the Aqua-Filter™ units involve preparation and excavation of the area that is to contain the AquaFilter™. This includes grading, leveling and compacting the base material before lowering the unit into the excavation and connecting the Aqua-Filter™ inlet and outlet stub-outs with appropriate pipe couplings. Prior to shipping, the purchasing contractor provides written confirmation to install AquaShield™ products in accordance with manufacturer's specifications. mL? .s ■ mm An Aqua-Fitter171 system ready to be installed Step 1 - Excavation and Bedding The trench and trench bottom shall be constructed in accordance with ASTM D 2321, Section 6, Trench Excavation, and Section 7, Installation. The HDPE filtration system shall be installed on a stable base consisting of 12-inches of Class I stone materials (angular, crushed stone or rock, crushed gravel; large void content, containing little or no fines) as defined by ASTM D 2321, Section 5, Materials, and compacted to 95% proctor density. Additional bedding shall be tamped around the "under-center" of the filter chamber up to the springline to provide adequate support. All required safety precautions for the system installation are the responsibility of the contractor. Step 2 - Pipe Connection Devices Couplings to and from the Aqua-Filter™ shall be supplied by the contractor and shall be Fernco®, Mission™ or equal type flexible boot with stainless steel tension bands or equal. A metal sheer guard should be used when available. The manufacturer shall supply the coupling to connect the Aqua-Swirl™ to the filtration chamber. The coupling between the AquaSwirl”1 and the filtration chamber of the Aqua-Filter171 system