V4 11 Stormwater Report Rev 3 1 26 2023

Two and a Half Inch Tray Pre-Vegetated 4-inch Module Four Inch Tray Six Inch Tray Top View Four Inch Tray Eight Inch Tray GreenGrid Component Specification Description and Notes Dimensions (W x L) Depth (D) G5 System Modules Standard Units SI Units Standard Units SI Units Ultra-Extensive 2.5 in. 6.35 cm Extensive 24 in. x 24 in. 60.96 cm x 60.96 cm 4.0 in. 10.80 cm Semi-Intensive [OD ± 1/8 in.] [OD ± 0.318 cm] 6.0 in. 15.24 cm Intensive 8.0 in. 29.32 cm Weight Range Approximate Minimum Note 1 Approximate Maximum Note1 Ultra-Extensive 10 lbs/sf 48.82 kg/m2 15 lbs/sf 73.24 kg/m2 Extensive 20 lbs/sf 97.65 kg/m2 30 lbs/sf 141.59 kg/m2 Semi-Intensive 25 lbs/sf 122.06 kg/m2 45 lbs/sf 214.83 kg/m2 Intensive 30 lbs/sf 141.59 kg/m2 60 lbs/sf 292.95 kg/m2 Drainage Clearance 3/4 in. 1.91 cm All size modules Module Material Ultra-Extensive 100% pre-consumer linear low density or medium density polyethylene. Extensive Protected with UV inhibitors and stabilizers. Semi-Intensive Intensive Module Color Black [custom colors available upon request]

ive Protected with UV inhibitors and stabilizers. Semi-Intensive Intensive Module Color Black [custom colors available upon request] Pre-planted and grown to mature coverage. Upgrades for higher planting density, larger plants, Planting options and/or sedum mats available. Crossover (hidden module) planting option with sedum mat. FLL-compliant extensive, semi-intensive, and intensive regional blends. Custom blends also Growing Medium available. Varies by depth and project location. Succulents and groundcovers typical in all module depths. Vegetation Ornamental grasses and perennials for 6-in and 8-in applications. Native and other custom plantings also available. Typical Underlayment Single-source warranties available with Carlisle. Module Connectors Nylon/Plastic panel fasteners or zip ties. 1/4 in. (0.64 cm) drill hole diameter required. Irrigation Systems Proprietary system designed based on project-specific requirements. Note 1: All weights are presented with growing media at maximum water-holding capacity. Conservative estimates for vegetation and module weight per SF have been included in above weight ranges. Weights may vary based on requirements for project-specific vegetation selections and variations in regional materials incorporated into engineered growing media. Consult GreenGrid representative for further information. Local contacts are available on our Web site www.GreenGridRoofs.com or contact our headquarters office at 888-404-4743 © Weston Solutions 2021 B-GG-8 6.21