complete drainage report rev 9

Exclusion of Services Clean up due to major contamination such as oils, chemicals, toxic spills, etc. will result in additional costs and are not covered under the Supplier maintenance contract. Should a major contamination event occur the Owner must block off the outlet pipe of the Filterra HC (where the cleaned runoff drains to, such as drop inlet) and block off the inlet of the Filterra HC. The Supplier should be informed immediately. Maintenance Visit Summary Each maintenance visit consists of the following simple tasks (detailed instructions below). . Inspection of Filterra HC and surrounding area . Removal of tree grate and erosion control stones Removal of debris, trash and mulch Mulch replacement . Plant health evaluation & pruning or replacement as necessary . Clean area around Filterra HC . Complete paperwork NQOORWNH Available Maintenance Tools, Safety Equipment and Supplies Ideal tools include camera, bucket, shovel, broom, pruners, hoe/rake, and tape measure. Appropriate Personal Protective Equipment (PPE) should be used in accordance with local or company procedures. This may include impervious gloves where the type of trash is unknown, high visibility clothing and barricades when working near traffic and also safety hats and shoes. A T-Bar or crowbar should be used for moving the tree grates (up to 170 lbs ea.). Most visits require minor trash removal and a full replacement of mulch. See below for actual number of bagged mulch that is required in each media bay size. Mulch should be a double shredded, hardwood variety. Some visits may require additional Filterra engineered soil media for the Filterra HC system, available from the Supplier. Mulch Bags 4x4 4 2 4x6 or 6x4 6 3 % | 4.5x7.83 or 7.83x4.5 (Nominal 4x8/8x4) 9 5 3 a 6x6 9 5 oS 6x8 or 8x6 12 6 5 2s 6x10 or 10x6 15 8 E o§ 6x12 or 12x6 18 9 Pir 7x13 or 13x7 1 23 12 ic mel ge 14x8 112 28 14 55 ae 16x8 128 32 16 2 18x8 144 36 18 20x8 160 40 20 22x8 176 44 22 4x4 16 4 2 4.5x5.83 or 5.83x4.5 (Nominal 4x6/6x4) 26.24 7 4 62 6x6 36 9 5 35 os 6x8 48 12 6 ae 25 6x10 or 10x6 60 15 8 et 7x10 70 18 9 8x10.5 84 21 u 8x12.5 100 25 13 Custom and/or Filterra Bioscape Media Area in fi2 | 0-25 (Media Area | 0.125 x (Media Area in f?) in f?) 8 www.ContechES.com/filterra | 800-338-1122