99.28% 23 98.96% 1750 mg/L using FLEXSTORM PC OK-110 Silica Sand 99.32% 48 99.25% Sediment Bag and Clean Water 98.89% 70 98.80% % TSS Street Particle Size of Soil Retention Product Tested Sediment Load Sediment Load Removal Efficiency FLEXSTORM PC 2.5% = 100 lbs Sed / .001 mm 10.0 mm – 99.68% 95.61% Sediment Bag 4000 lbs water (median 200 micron) % TPH Hydrocarbon Ave Flow Rate Oil Retention Product Tested Load GPM Removal Efficiency 19 99.04% 97.22% FLEXSTORM PC+ 243 mg/L using 750 mL (1.45 lb) used 97.67% FLEXSTORM PC 20 91.61% motor oil + lube oil and clean water 96.88% FLEXSTORM PC+ 92 99.11% Identification of Drainage Structures: The Installer (Contactor) shall inspect the plans and/or worksite to determine the quantity of each drainage structure casting type. The foundry casting number or the exact grate size and clear opening size will provide the information necessary to identify the required FLEXSTORM Inlet Filter part number. Inlet Filters are supplied to the field pre-configured to fit the specified drainage structure. (See Product Selection Guides and Casting ID Forms at or ) Installation Into Standard Grated Drainage Structures: Remove the grate from the casting or concrete drainage structure. Clean the ledge (lip) of the casting frame or drainage structure to ensure it is free of stone and dirt. Drop in the FLEXSTORM Inlet Filter through the clear opening and be sure the suspension hangers rest firmly on the inside ledge (lip) of the casting. Replace the grate and confirm it is elevated no more than 1/8”, which is the thickness of the steel hangers. For Curb Box Inlet Filters: Insert
FLEXSTORM PC Sediment Bag 1750 mg/L using OK-110 Silica Sand and Clean Water 23 99.28% 98.96% 48 99.32% 99.25% 70 98.89% 98.80% Product Tested Street Sediment Load Particle Size of Sediment Load % TSS Removal Soil Retention Efficiency FLEXSTORM PC Sediment Bag 2.5% = 100 lbs Sed / 4000 lbs water .001 mm – 10.0 mm (median 200 micron) 99.68% 95.61% Product Tested Hydrocarbon Load Ave Flow Rate GPM % TPH Removal Oil Retention Efficiency FLEXSTORM PC+ 243 mg/L using 750 mL (1.45 lb) used motor oil + lube oil and clean water 19 99.04% 97.22% FLEXSTORM PC 20 97.67% 91.61% FLEXSTORM PC+ 92 96.88% 99.11% Identification of Drainage Structures: The Installer (Contactor) shall inspect the plans and/or worksite to determine the quantity of each drainage structure casting type. The foundry casting number or the exact grate size and clear opening size will provide the information necessary to identify the required FLEXSTORM Inlet Filter part number. Inlet Filters are supplied to the field pre-configured to fit the specified drainage structure. (See Product Selection Guides and Casting ID Forms at or ) Installation Into Standard Grated Drainage Structures: Remove the grate from the casting or concrete drainage structure. Clean the ledge (lip) of the casting frame or drainage structure to ensure it is free of stone and dirt. Drop in the FLEXSTORM Inlet Filter through the clear opening and be sure the suspension hangers rest firmly on the inside ledge (lip) of the casting. Replace the grate and confirm it is elevated no more than 1/8”, which is the thickness of the steel hangers. For Curb Box Inlet Filters: Insert
eng-specs-09.docx